High-efficient cold-heading device of multistationTechnical Field
The utility model relates to a screw finished product technical field, concretely relates to high-efficient cold-heading device of multistation.
Background
The multi-station processing mode that traditional screw machine of taking lead usually has two kinds: the other is that the workpiece is moved from one station to the other station by using a punching pliers, the quick swing of the punch is reciprocating motion, the precision of the punch is reduced by vibration generated by the quick reciprocating motion, the damage to a mechanical structure and a part is easily caused, the reciprocating motion can cause the bottom of the working efficiency, and the traditional punch needs to be manually replaced when the machine stops working, so that different product requirements in a short time cannot be met.
Disclosure of Invention
In order to solve the weak point among the above-mentioned prior art, the utility model provides a high-efficient cold-heading device of multistation.
In order to realize the technical effect, the utility model discloses a following scheme:
a multi-station efficient cold heading device comprises a portal frame, wherein a lower pressing plate is arranged below a cross beam of the portal frame, guide holes are uniformly formed in two ends of the lower pressing plate, vertically arranged guide columns are arranged in the guide holes in a sliding mode, the upper ends of the guide columns are fixed on the cross beam of the portal frame, the lower pressing plate is driven by a gantry hydraulic machine mounted on the cross beam of the portal frame to move up and down, a plurality of mounting seats are uniformly arranged on the lower surface of the lower pressing plate, the mounting seats are rotatably mounted on the lower pressing plate, a plurality of screw punches are detachably mounted on the lower surface of each mounting seat and are distributed in a circular mode around the centers of the mounting seats, a workbench is arranged below the screw punches, a plurality of workpiece processing seats are fixedly arranged on the upper surface of the workbench, the workpiece processing seats correspond to the mounting seats one to one, and processing stations are arranged on the workpiece processing seats, the processing station is located under one of the screw punch heads, and a positioning detection device is arranged between the screw punch head and the processing station.
According to the preferable technical scheme, a buffer device is arranged at the lower end of the workbench.
The optimized technical scheme is that the buffer device comprises a plurality of spring dampers, the spring dampers are arranged on a base and are uniformly distributed at the lower end of a workbench, each spring damper comprises a sleeve fixed on the base, the sleeve is arranged in a hollow manner, a through hole communicated with the interior of the sleeve is formed in the middle of the upper end of the sleeve, a sliding block is arranged in the sleeve in a matching manner, a sliding rod is fixedly connected to the upper surface of the sliding block, the upper end of the sliding rod penetrates through the through hole to prop against the lower end of the workbench, a plurality of first springs are arranged at the lower end of the sliding block and are fixedly arranged at the bottom of the sleeve, a second spring is sleeved on the sliding rod, the lower end of the second spring is fixedly connected with the sliding block, the upper end of the second spring is fixedly connected with the inner wall of the upper end of the sleeve, and a guide sleeve matched with the sliding rod is arranged above the through hole, the guide sleeve is fixed at the upper end of the sleeve, and the sliding rod penetrates through the guide sleeve.
According to the technical scheme, the positioning detection device comprises a plurality of infrared transmitters, the mounting seat is circular and a plurality of the infrared transmitters are uniformly fixed on the side wall of the mounting seat, the positions of the infrared transmitters and the screw punches correspond to one another one by one, and an infrared receiver corresponding to the infrared transmitters is arranged on one side of the processing station.
The optimized technical scheme is that the upper surface center of the mounting seat is fixedly connected with a rotating shaft penetrating through the lower pressing plate, the rotating shaft is connected with the lower pressing plate in a rotating mode, a limiting block is fixedly arranged on the rotating shaft and located above the lower pressing plate, a second bevel gear is fixedly arranged on the rotating shaft and located above the limiting block, a stepping motor is arranged on the upper surface of the lower pressing plate, a first bevel gear matched with the second bevel gear is fixedly arranged on an output shaft of the stepping motor, and the first bevel gear is connected with the second bevel gear in a meshing mode and used for driving the rotating shaft to rotate.
Compared with the prior art, beneficial effect does:
the utility model discloses simple structure, convenient to use, at the screw drift of the different specifications of lower surface mounting of mount pad, rotate the mount pad, make the drift of needs aim at with the processing position of below to whether aim at through the calibration of location detecting device, add the material that the station was gone up to fixed needs cold-heading, then push down through longmen hydraulic press drive holding down plate and carry out the cold-heading, improved work efficiency, also be enough to deal with different product demands, also improved the drift precision simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle damper of the present invention.
Reference numerals: 1. a gantry; 2. a lower pressing plate; 3. a guide post; 4. gantry hydraulic press; 5. a mounting seat; 6. a screw punch; 7. an infrared emitter; 8. a rotating shaft; 801. a limiting block; 802. a second bevel gear; 9. A stepping motor; 901. a first bevel gear; 10. a work table; 11. a workpiece machining seat; 12. processing stations; 13. An infrared receiver; 14. a shock absorber; 1401. a sleeve; 1402. a slider; 1403. a slide bar; 1404. a first spring; 1405. a second spring; 1406. a guide sleeve; 15. a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
A multi-station efficient cold heading device comprises a portal frame 1, wherein a lower pressing plate 2 is arranged below a cross beam of the portal frame 1, guide holes are uniformly formed in two ends of the lower pressing plate 2, vertically arrangedguide columns 3 are slidably arranged in the guide holes, the upper ends of theguide columns 3 are fixed on the cross beam of the portal frame 1, the lower pressing plate 2 is driven to move up and down through a gantry hydraulic machine 4 arranged on the cross beam of the portal frame 1, a plurality of mounting seats 5 are uniformly arranged on the lower surface of the lower pressing plate 2, the mounting seats 5 are rotatably arranged on the lower pressing plate 2, a plurality of screw punching heads 6 are detachably arranged on the lower surface of the mounting seats 5, the screw punching heads 6 are circularly distributed around the centers of the mounting seats 5, aworkbench 10 is arranged below the screw punching heads 6, a plurality ofworkpiece processing seats 11 are fixedly arranged on the upper surface of theworkbench 10, and theworkpiece processing seats 11 correspond to the mounting seats 5 one by one, and aprocessing position 12 is arranged on theworkpiece processing seat 11, theprocessing position 12 is positioned under one of the screw punch heads 6, and a positioning detection device is arranged between the screw punch head 6 and theprocessing position 12.
The lower surface of the mounting seat 5 is provided with screw punches 6 with different specifications, the mounting seat 5 is rotated to align the required punches with aprocessing position 12 below the mounting seat, whether the punches are aligned is checked through a positioning detection device, a material to be subjected to cold heading is fixed on theprocessing position 12, and then the lower pressing plate 2 is driven to press down through a gantry hydraulic machine 4 to perform cold heading.
In a preferred technical scheme, a buffer device is arranged at the lower end of theworkbench 10. The hard contact between the punch and theprocessing position 12 is reduced, the service life is prolonged, the vibration during working is reduced, and the working precision is further improved.
In a preferable technical scheme, the buffering device comprises a plurality ofspring dampers 14, the plurality ofspring dampers 14 are mounted on abase 15, the plurality ofspring dampers 14 are uniformly distributed at the lower end of theworkbench 10, thespring dampers 14 comprise asleeve 1401 fixed on thebase 15, thesleeve 1401 is hollow, a through hole communicated with the inside of thesleeve 1401 is formed in the middle of the upper end of thesleeve 1401, asliding block 1402 is arranged in thesleeve 1401 in a matching manner, asliding rod 1403 is fixedly connected to the upper surface of thesliding block 1402, the upper end of thesliding rod 1403 penetrates through the through hole to abut against the lower end of theworkbench 10, a plurality offirst springs 1404 are arranged at the lower end of thesliding block 1402, thefirst springs 1404 are fixedly mounted at the bottom of thesleeve 1401, asecond spring 1405 is sleeved on thesliding rod 1403, the lower end of thesecond spring 1405 is fixedly connected with thesliding block 1402, and the upper end of thesecond spring 1405 is fixedly connected with the inner wall of the upper end of thesleeve 1401, aguide sleeve 1406 matched with theslide bar 1403 is arranged above the through hole, theguide sleeve 1406 is fixed at the upper end of thesleeve 1401, and theslide bar 1403 penetrates through theguide sleeve 1406.
According to the technical scheme, the positioning detection device comprises a plurality of infrared transmitters 7, the mounting seat 5 is circular and a plurality of the infrared transmitters 7 are uniformly fixed on the side wall of the mounting seat 5, the positions of the infrared transmitters 7 and the screw punches 6 correspond one to one, and aninfrared receiver 13 corresponding to the infrared transmitters 7 is arranged on one side of theprocessing position 12. The infrared transmitter 7 sends a pulse signal downwards, and theinfrared receiver 13 can receive the signal when the screw punch 6 is aligned with theprocessing position 12.
According to the preferable technical scheme, a rotatingshaft 8 penetrating through a lower pressing plate 2 is fixedly connected to the center of the upper surface of the mounting seat 5, the rotatingshaft 8 is rotatably connected with the lower pressing plate 2, a limitingblock 801 is fixedly arranged on the rotatingshaft 8, the limitingblock 801 is positioned above the lower pressing plate 2, asecond bevel gear 802 is fixedly arranged on the rotatingshaft 8, thesecond bevel gear 802 is positioned above the limitingblock 801, a stepping motor 9 is arranged on the upper surface of the lower pressing plate 2, afirst bevel gear 901 matched with thesecond bevel gear 802 is fixedly arranged on an output shaft of the stepping motor 9, and thefirst bevel gear 901 and thesecond bevel gear 802 are in meshed connection and used for driving the rotatingshaft 8 to rotate. The installation seat 5 is driven to rotate by a stepping motor 9.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that one skilled in the art conventionally understands, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.