CN103722491A - Grinding jig for ejector pins of plastic molds - Google Patents

Abstract

The invention discloses a grinding jig for ejector pins of plastic molds. The grinding jig comprises a base, a height adjusting seat, a locking mechanism and an ejector pin clamp. A mounting plate is vertically arranged on the base. The height adjusting seat capable of moving up and down is arranged on the lower portion of the mounting plate. The locking mechanism is arranged between the height adjusting seat and the mounting plate. The ejector pin clamp arranged on the upper portion of the mounting plate comprises a clamp base and movable press plates. The clamp base is fixedly connected with the mounting plate, a plurality of rectangular jaws are vertically arranged on the clamp base, V-shaped grooves in multiple sizes are formed in the side wall of each jaw, and the movable press plates are arranged in the jaws and are all fixedly connected to a press-plate base. Horizontal movement control of the press-plate base is realized through a horizontal movement mechanism. The grinding jig can meet multiple grinding requirements of different batches of ejector pins with different heights and different diameters.

Description

Plastic mould thimble grinding tool

Technical field

The present invention relates to plastic mould technical field, be specifically related to a kind of plastic mould thimble grinding tool.

Background technology

Thimble, as the indispensable accessory of a kind of plastic mould, is widely used in, in plastic mould, product being separated from mould.Thimble often need to, in the enterprising line height grinding of grinding machine, in order to facilitate the grinding of thimble, need to adopt thimble grinding tool by thimble location, clamping, fixing.Existing thimble grinding tool generally comprises the compositions such as gripper shoe, positioning wrench jaw, movable pressing board, handle, and it is simple in structure, function singleness.For different-diameter, differing heights, the thimble of different (single-pieces or many) in batches, when carrying out grinding, usually needs to change different tools, causes time waste, and working (machining) efficiency is low, and labour intensity is large, cost of idleness.

Summary of the invention

Technical problem to be solved by this invention is: a kind of plastic mould thimble grinding tool is provided, can meets the multiple process requirements of differing heights, different-diameter, different (single-piece or many) in batches thimble.

For solving the problems of the technologies described above, technical scheme of the present invention is: plastic mould thimble grinding tool, and it comprises:

Base is vertically provided with installing plate on described base;

Be located at the height adjustment seat that can move up and down of described installing plate bottom, and be provided with lockable mechanism between described height adjustment seat and described installing plate;

Be located at the thimble pincers on described installing plate top, described thimble pincers comprise: the clamp block being fixedly connected with described installing plate, in described clamp block, vertically offer several rectangle jaws, and on the sidewall of each jaw, offer the V-shaped groove of several size; Be located at the movable pressing board in each jaw, all movable pressing boards are fixedly connected with a pressing plate seat, and described pressing plate seat is realized transverse shifting by a transverse-moving mechanism and controlled.

As a kind of preferred technical scheme, between described height adjustment seat and described installing plate, pass through dovetail groove guide rail slidable fit.

As a kind of preferred technical scheme, described lockable mechanism comprises: be opened in the vertical hole on described installing plate, and offer vertical nut gathering sill at the periphery in described vertical hole; Pass successively the fastening bolt in described height adjustment seat and described vertical hole; Be located in described nut gathering sill and with the square nut of described fastening bolt assembling.

As a kind of preferred technical scheme, described transverse-moving mechanism comprises: the nut being fixedly connected with described pressing plate seat; Through the screw rod of described nut assembling, the two ends of described screw rod are installed in described clamp block by bearing, and are provided with handle in described screw rod one end; It is spacing what make progress in screw rod week that described pressing plate seat and described clamp block card are joined realization.

As a kind of preferred technical scheme, in the sidewall of described each jaw, be embedded auxiliary clamping magnet.

As a kind of preferred technical scheme, the position of the V-shaped groove of same size on each jaw is corresponding consistent.

As a kind of preferred technical scheme, on the relative two side of each jaw, all offer V-shaped groove.

Adopted after technique scheme, the invention has the beneficial effects as follows:

Use the present invention to thimble clamp, fixedly time, thimble is in contact with one another to realize spacing, support function by its hanging platform bottom surface and height adjustment seat upper surface, height adjustment seat can move up and down and be locked on installing plate by lockable mechanism, thereby change height adjustment seat to the distance of top thimble pincers, and then thimble that can grinding differing heights.

Thimble top is positioned in the V-shaped groove in thimble pincers jaw, by transverse-moving mechanism, controls location and the clamping that movable pressing board transverse shifting in jaw is realized thimble.On sidewall due to each jaw, offer the V-shaped groove of several size, therefore can realize the grinding of different-diameter thimble.

For convenient, to the grinding of many same diameter thimble mass simultaneous, the position of the V-shaped groove of same size on each jaw is corresponding consistent, thereby improves working (machining) efficiency.Can also on the relative two side of each jaw, all offer V-shaped groove, thereby all can clamp thimble on movable pressing board moves forward and backward direction, compact conformation, easy to operate.

Further, in the sidewall of each jaw, be embedded auxiliary clamping magnet, make the sidewall of jaw there is certain magnetic, can adsorb thimble, make thimble and V-shaped groove two side close contact, carry out many add simultaneously can effectively prevent from man-hour clamping before previously the thimble of placement topple over or slant, convenient mounting and clamping, simple to operate.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is structural representation of the present invention.

Fig. 2 is the exploded perspective view of Fig. 1.

Fig. 3 is top view of the present invention.

Fig. 4 is rearview of the present invention.

In figure: 1. base, 11. installing plates, 2. height adjustment seat, 21. dovetail groove guide rails, 31. vertical holes, 32. nut gathering sills, 33. fastening bolts, 34. square nuts, 4. thimble clamps, 41. clamp blocks, 42. jaws, 421.V shape groove, 43. auxiliary clamping magnet, 44. movable pressing boards, 45. pressing plate seats, 46. nuts, 47. screw rods, 48. bearings, 49. handles, 5. thimble.

The specific embodiment

As shown in Figures 1 to 4, a kind of plastic mould thimble grinding tool, thethimble pincers 4 that it comprisesbase 1, is vertically located at installingplate 11 onbase 1, is located at theheight adjustment seat 2 of installingplate 11 bottoms and is located at installingplate 11 tops.

Installingplate 11 is L shaped with 1 one-tenth of base, and the bottom surface ofbase 1 is supporting plane, can install and be adsorbed on surface grinding machine magnetic platform, installs simple, easy to operate.

Betweenheight adjustment seat 2 and installingplate 11, by dovetailgroove guide rail 21 slidable fit, realize and moving up and down, and be provided with lockable mechanism betweenheight adjustment seat 2 and installingplate 11, by lockable mechanism,height adjustment seat 2 is fixed.Above-mentioned lockable mechanism comprises: be opened in thevertical hole 31 on installingplate 11, and offer verticalnut gathering sill 32 at the periphery invertical hole 31; Successively throughhighly adjustment seat 2 and the vertically fastening bolt 33 inhole 31; Be located innut gathering sill 32 and with thesquare nut 34 of fastening bolt 33 assemblings,square nut 34 can slide up and down alongnut gathering sill 32, to realize the location ofheight adjustment seat 2, fixes.

Thimble pincers 4 are positioned atheight adjustment seat 2 tops, and it comprises: theclamp block 41 being fixedly connected with installingplate 11, inclamp block 41, vertically offerseveral rectangle jaws 42, and on the sidewall of eachjaw 42, offer the V-shaped groove 421 of several size; Be located at the movablepressing board 44 in eachjaw 42, allmovable pressing boards 44 are fixedly connected with a pressing plate seat 45, and pressing plate seat 45 is realized transverse shifting by a transverse-moving mechanism and controlled.Concrete, above-mentioned transverse-moving mechanism comprises: the nut 46 being fixedly connected with pressing plate seat 45; Through the screw rod 47 of nut 46 assemblings, the two ends of screw rod 47 are installed inclamp block 41 by bearing 48, and are provided withhandle 49 in screw rod 47 one end; Pressing plate seat 45 is joined and is realized make progress for 47 weeks at screw rod spacing withclamp block 41 cards, turninghandle 49, nut 46 with dynamic pressure plate seat 45 along the moving axially of screw rod 47, thereby drive movable pressingboard 44 advance simultaneously or retreat.

While using grinding tool to gripthimble 5,thimble 5 is in contact with one another to realize spacing, support function by its hanging platform bottom surface andheight adjustment seat 2 upper surfaces; Thimble 5 tops are positioned over thimble and clamp in the V-shaped groove 421 in 4jaws 42, by transverse-moving mechanism, control location and the clamping that movable pressingboard 44 transverse shiftings injaw 42 are realized thimble.Therebyheight adjustment seat 2 moves up and down and can change it and clamp the distance between 4 to top thimble, and then thimble that can grinding differing heights.On the sidewall of eachjaw 42, offer the V-shaped groove 421 of several size, can realize the grinding of different-diameter thimble.

For convenient, to the grinding simultaneously of many same diameter thimbles, in the present embodiment, the position of the V-shaped groove 421 of same size on eachjaw 42 is corresponding consistent, improves working (machining) efficiency.And in the present embodiment, on the relative two side of eachjaw 42, all offer V-shaped groove 421, on movablepressing board 44 moves forward and backward direction, all can clamp thimble, compact conformation, easy to operate.

Further, in the present embodiment, on the sidewall of eachjaw 42, be equipped with groove, be embeddedauxiliary clamping magnet 43 in groove,auxiliary clamping magnet 43 is fixed in groove by self magnetic absorption.Above-mentioned design, make the sidewall ofjaw 42 there is certain magnetic, can adsorbthimble 5, makethimble 5 and V-shaped groove 421 two side close contacts, before can preventing from clamping, previously the thimble of placement was toppled over or slanted, grinding when being specially adapted to many thimbles, convenient mounting and clamping, simple to operate.

Claims (7)

1. plastic mould thimble grinding tool, is characterized in that, comprising:

Base is vertically provided with installing plate on described base;

Be located at the height adjustment seat that can move up and down of described installing plate bottom, and be provided with lockable mechanism between described height adjustment seat and described installing plate;

Be located at the thimble pincers on described installing plate top, described thimble pincers comprise:

The clamp block being fixedly connected with described installing plate vertically offers several rectangle jaws in described clamp block, offers the V-shaped groove of several size on the sidewall of each jaw;

Be located at the movable pressing board in each jaw, all movable pressing boards are fixedly connected with a pressing plate seat, and described pressing plate seat is realized transverse shifting by a transverse-moving mechanism and controlled.

2. plastic mould thimble grinding tool as claimed in claim 1, is characterized in that, passes through dovetail groove guide rail slidable fit between described height adjustment seat and described installing plate.

3. plastic mould thimble grinding tool as claimed in claim 2, is characterized in that, described lockable mechanism comprises:

Be opened in the vertical hole on described installing plate, and offer vertical nut gathering sill at the periphery in described vertical hole;

Pass successively the fastening bolt in described height adjustment seat and described vertical hole;

Be located in described nut gathering sill and with the square nut of described fastening bolt assembling.

4. plastic mould thimble grinding tool as claimed in claim 1, is characterized in that, described transverse-moving mechanism comprises:

The nut being fixedly connected with described pressing plate seat;

Through the screw rod of described nut assembling, the two ends of described screw rod are installed in described clamp block by bearing, and are provided with handle in described screw rod one end;

It is spacing what make progress in screw rod week that described pressing plate seat and described clamp block card are joined realization.

5. the plastic mould thimble grinding tool as described in claim as arbitrary in claim 1 to 4, is characterized in that: in the sidewall of described each jaw, be embedded auxiliary clamping magnet.

6. the plastic mould thimble grinding tool as described in claim as arbitrary in claim 1 to 4, is characterized in that: the position of the V-shaped groove of same size on each jaw is corresponding consistent.

7. plastic mould thimble grinding tool as claimed in claim 6, is characterized in that: on the relative two side of each jaw, all offer V-shaped groove.

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