CN107552713B - Forming die switching device of screw forming machine - Google Patents
Forming die switching device of screw forming machine Download PDFInfo
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- CN107552713B CN107552713B CN201710794178.1A CN201710794178A CN107552713B CN 107552713 B CN107552713 B CN 107552713B CN 201710794178 A CN201710794178 A CN 201710794178A CN 107552713 B CN107552713 B CN 107552713B
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- wire rod
- transmission
- forming
- switching
- seat
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 71
- 150000001875 compounds Chemical class 0.000 claims description 17
- 238000007493 shaping process Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a forming die switching device of a screw forming machine, which comprises a frame, wherein a forming die and a die clamping mechanism are arranged on the frame, the forming die consists of a wire rod placing part and a wire rod forming part which are oppositely arranged, the wire rod placing part comprises a first wire rod placing part and a second wire rod placing part, the wire rod forming part comprises a first wire rod forming part, a second wire rod forming part and a third wire rod forming part, and a switching driving assembly drives a switching seat to move so that the wire rod placing part corresponds to the wire rod forming part in a switching way. By adopting the scheme, the invention provides the forming die switching device of the screw forming machine, which has the advantages of simplifying the structure and improving the processing efficiency.
Description
Technical Field
The invention relates to a screw forming machine, in particular to a forming die switching device of the screw forming machine.
Background
The screw forming machine is forging forming equipment for thickening the top of a bar or a wire rod at room temperature, and is special equipment mainly used for mass production of fasteners such as nuts and bolts. The screw forming machine adopts a cold heading method to heading the heads of the bolts and the screws, so that the cutting work can be reduced as much as possible, the screw forming machine can directly form the required shape and size, a large amount of materials can be saved, the production efficiency can be greatly improved, and the mechanical strength of the headed parts is remarkably improved.
The processing steps of the screw forming machine generally comprise a feeding device, a cutting device, a forming device and a discharging device, wherein the feeding device transmits coiled wires to the cutting device, the cutting device cuts continuous wires into sections, the forming device forms the wires cut into sections to required specifications for multiple times, and finally the discharging device transmits the formed wires to a unified collecting position to complete all the steps.
The forming device comprises a plurality of forming dies and clamping mechanisms, each forming process corresponds to one set of forming die, the clamping mechanisms sequentially transmit linear materials cut into sections among the forming dies, and the linear materials are sequentially extruded and formed by the dies, so that on one hand, the clamping mechanisms complicate the equipment structure, and on the other hand, the forming dies are composed of wire rod placing parts and wire rod forming parts which are oppositely arranged, the wire rod placing parts of the forming dies are identical in structure, and waste of the wire rod placing parts is caused.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a forming die switching device of a screw forming machine, which simplifies the structure and improves the processing efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: the wire rod forming machine comprises a machine frame, the machine frame on be provided with forming die and locking mechanism, forming die by wire rod placing part and the wire rod forming part that set up relatively constitute, wire rod placing part be provided with the hole of placing that supplies the wire rod to push, wire rod forming part be provided with extrusion wire rod fashioned forming head, locking mechanism include compound die track, compound die seat and compound die drive assembly, compound die track set up along forming die compound die direction, compound die drive assembly drive compound die seat remove in compound die track, its characterized in that: the frame is provided with a switching track, a switching seat and a switching driving assembly, the switching track is arranged in the horizontal and vertical direction along the die assembly direction of the forming die, the wire rod placing part comprises a first wire rod placing part and a second wire rod placing part, the first wire rod placing part and the second wire rod placing part are arranged in the switching seat along the track direction of the switching track, the wire rod forming part comprises a first wire rod forming part, a second wire rod forming part and a third wire rod forming part, the first wire rod forming part, the second wire rod forming part and the third wire rod forming part are arranged in the die assembly seat along the track direction of the switching track, and the switching driving assembly drives the switching seat to move, so that when the first wire rod placing part corresponds to the first wire rod forming part, the second wire rod placing part corresponds to the second wire rod forming part; when the switching driving assembly drives the switching seat to move and the first wire rod placing part corresponds to the second wire rod forming part, the second wire rod placing part corresponds to the third wire rod forming part, and the forming head of the first wire rod forming part is identical to the forming head of the third wire rod forming part in shape and different from the forming head of the second wire rod forming part in shape.
Through adopting above-mentioned technical scheme, traditional wire rod carries out secondary operation and needs to consume two sets of moulds, two wire rod shaping portions that two wire rod shaping portions and shaping head are different promptly, occupy a large amount of spaces, increase the structure complexity, the removal of utilizing the switching seat, wire rod shaping portion has played the function of transmission wire rod when being located wire rod shaping portion cooperation processing wire rod, single wire rod portion of locating can with two wire rod shaping portion cooperation, realize the secondary shaping processing of wire rod, forming die's structure has been simplified, in addition, the idle second wire rod shaping seat of rational utilization, when first wire rod shaping portion corresponds processing with first wire rod portion, second wire rod shaping portion corresponds processing with second wire rod shaping seat, when second wire rod shaping portion corresponds processing with second wire rod shaping portion, above-mentioned structure, two wire rod portions of locating only need set up a second wire rod shaping portion that is used for the second processing procedure, further make the structure obtain simplifying, further rational utilization process time is poor, improve machining efficiency.
The invention is further provided with: the switching drive assembly comprises a transmission rod, a transmission seat, a transmission block and a transmission block telescopic assembly, wherein the transmission seat is fixed on the frame, the transmission rod is arranged along the direction of a switching track, one end of the transmission rod is in linkage with the switching seat, the other end of the transmission rod extends into the transmission seat, the transmission seat is provided with a transmission hole in a penetrating mode, the transmission block telescopic assembly drives the transmission block to reciprocate in the transmission hole, the transmission block is provided with a transmission track, the transmission track is arranged along the tangential direction of the transmission rod, the transmission track is sequentially provided with a first part close to the switching seat, a second part connected with the first part and the third part and a third part far away from the switching seat along the moving direction of the transmission block, and the end part of the transmission rod extending to the transmission seat is provided with a sliding part sliding in the transmission track.
Through adopting above-mentioned technical scheme, the flexible subassembly of drive transmission piece reciprocating motion is in the transmission hole, and the different positions of control transmission track are relative with the slider to adjust and make the relative orbital position of switching seat switch, realize that different wire rod place the portion and the blank sword is relative, and different wire rod place the portion and the wire rod shaping portion is relative of difference.
The invention is further provided with: the transmission block telescopic assembly comprises a first driving shaft, a driving disc, a telescopic linkage rod and a motor, wherein the first driving shaft is parallel to the switching track and is rotationally arranged on the frame, the driving disc is arranged on the periphery of the first driving shaft and synchronously rotates with the first driving shaft, the motor is arranged on the frame and drives the first driving shaft to rotate, the driving disc is eccentrically provided with a driving column, one end of the telescopic linkage rod is in rotary fit with the driving column, and the other end of the telescopic linkage rod is hinged to the sliding piece.
Through adopting above-mentioned technical scheme, when first drive shaft rotates, rotate rather than synchronous pivoted driving disk to drive the relative transmission hole of the transmission piece of linking with flexible gangbar is flexible, thereby realize switching slider and the function that the different parts of transmission track correspond.
The invention is further provided with: the mold closing driving assembly comprises a second driving shaft, a driven shaft, a linkage rod and a rotating assembly, wherein the second driving shaft is arranged on the frame in a rotating mode along the horizontal vertical direction of the mold closing direction of the forming mold, the rotating assembly is arranged on the frame and drives the second driving shaft to rotate, an eccentric part is arranged on the second driving shaft in a corresponding eccentric mode with the mold closing seat, the driven shaft and the second driving shaft are arranged in parallel and are fixed on the mold closing seat, one end of the linkage rod is in rotating fit with the eccentric part, and the other end of the linkage rod is in rotating fit with the driven shaft.
Through adopting above-mentioned technical scheme, when the eccentric part eccentric rotation of main drive axle, drive with eccentric part normal running fit's gangbar make eccentric rotation to drive the driven shaft that is fixed in the die holder and reciprocate, and then realize the compound die action of die holder.
The invention is further provided with: the first driving shaft and the second driving shaft are arranged in parallel, the rotating assembly comprises a first linkage gear and a second linkage gear, the first linkage gear is arranged on the periphery of the first driving shaft and rotates synchronously with the first driving shaft, the second linkage gear is arranged on the periphery of the second driving shaft and rotates synchronously with the second driving shaft, and the first linkage gear and the second linkage gear are meshed to form linkage of the first driving shaft and the second driving shaft.
Through adopting above-mentioned technical scheme, first drive shaft and the linkage of second drive shaft are constituted to first linkage gear cooperation second linkage gear to make single actuating source can drive each drive shaft and rotate, thereby drive die holder and switching seat and remove, simplify equipment structure, reduce equipment cost.
The invention is further described below with reference to the drawings and detailed description.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic diagram of a switching driving assembly according to an embodiment of the present invention;
FIG. 4 is a perspective view of a clamping mechanism in accordance with an embodiment of the present invention;
fig. 5 is a second perspective view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1-5, the invention discloses a forming die switching device of a screw forming machine, comprising a frame 1, wherein a forming die 2 and a die clamping mechanism 3 are arranged on the frame 1, the forming die 2 is composed of a wire rod placing part and a wire rod forming part which are oppositely arranged, the wire rod placing part is provided with a placing hole 211 for pushing a wire rod in, the wire rod forming part is provided with a forming head 231 for extruding the wire rod to form, the die clamping mechanism 3 comprises a die clamping rail 31, a die clamping seat 32 and a die clamping driving component, the die clamping rail 31 is arranged along the die clamping direction of the forming die 2, the die clamping driving component drives the die clamping seat 32 to move on the die clamping rail 31, the frame 1 is provided with a switching rail 11, a switching seat 12 and a switching driving component, the switching rail 11 is arranged along the horizontal and vertical direction of the die clamping direction of the forming die 2, the wire placing part comprises a first wire placing part 21 and a second wire placing part 22, the first wire placing part 21 and the second wire placing part 22 are arranged on the switching seat 12 along the track direction of the switching track 11, the wire forming part comprises a first wire forming part 23, a second wire forming part 24 and a third wire forming part 25, the first wire forming part 23, the second wire forming part 24 and the third wire forming part 25 are arranged on the die holder 32 along the track direction of the switching track 11, the switching driving assembly drives the switching seat 12 to move, and when the first wire placing part 21 corresponds to the first wire forming part 23 in position, the second wire placing part 22 corresponds to the second wire forming part 24 in position; when the switching driving assembly drives the switching seat 12 to move, and the first wire placing part 21 corresponds to the second wire forming part 24 in position, the second wire placing part 22 corresponds to the third wire forming part 25 in position, the forming head 231 of the first wire forming part 23 is identical in shape to the forming head 231 of the third wire forming part 25, and is different from the forming head of the second wire forming part in shape, two dies are needed to be consumed for secondary machining of wires conventionally, namely, two wire forming parts different in two wire placing parts and the forming head 231 occupy a large amount of space, the structural complexity is increased, the wire placing part and the wire forming part cooperate to machine wires by utilizing the movement of the switching seat 12, the single wire placing part can cooperate with the two wire forming parts to realize secondary forming machining of wires, the structure of the forming die 2 is simplified, in addition, an idle second wire forming seat is reasonably utilized, the second wire forming part 24 corresponds to the second wire forming seat in machining when the first wire forming part 23 corresponds to the first wire placing part 21, the second wire forming part 24 corresponds to the second wire forming seat in machining efficiency is greatly reduced, and the first wire forming part is further arranged on the second wire placing part 24 by utilizing the second wire forming part to be used for machining the first wire forming seat, and the wire forming structure is further reasonable, and the wire forming efficiency is further improved.
The switching driving assembly comprises a driving rod 13, a driving seat 14, a driving block 15 and a driving block telescopic assembly, wherein the driving seat 14 is fixed on the frame 1, the driving rod 13 is arranged along the direction of the switching track 11, one end of the driving rod is in linkage with the switching seat 12, the other end of the driving rod extends into the driving seat 14, the driving seat 14 is provided with a driving hole 141 in a penetrating way, the driving block telescopic assembly drives the driving block 15 to reciprocate in the driving hole 141, the driving block 15 is provided with a driving track 151, the driving track 151 is arranged along the tangential direction of the driving rod 13, the driving track 151 is sequentially provided with a first part 1511 close to the switching seat 12, a second part 1512 connecting the first part 1511 with a third part 1513 and a third part 1513 far away from the switching seat 12 along the moving direction of the driving block 15, the end part of the transmission rod 13 extending to the transmission seat 14 is provided with a sliding piece 131 sliding on the transmission track 151, the transmission block telescopic component drives the transmission block 15 to reciprocate on the transmission hole 141, different positions of the transmission track 151 are controlled to be opposite to the sliding piece 131, and accordingly the position of the switching seat 12 relative to the switching track 11 is adjusted, different wire rod placing parts are opposite to the blanking knife, different wire rod placing parts are opposite to different wire rod forming parts, the sliding piece 131 can be provided with rollers 132, and friction between the sliding piece and the transmission track 151 is reduced.
The transmission block telescopic assembly comprises a first driving shaft 16, a driving disc 17, a telescopic linkage rod 18 and a motor, wherein the first driving shaft 16 is parallel to the switching track 11 and is rotatably arranged on the frame 1, the motor is arranged on the frame 1 and drives the first driving shaft 16 to rotate, the driving disc 17 is arranged on the periphery of the first driving shaft 16 and rotates synchronously with the first driving shaft 16, the driving disc 17 is eccentrically provided with a driving column 171, one end of the telescopic linkage rod 18 is in rotary fit with the driving column 171, the other end of the telescopic linkage rod 18 is hinged to the transmission block 15, when the first driving shaft 16 rotates, the driving disc 17 synchronously rotates with the first driving shaft 16 rotates, so that the transmission block 15 which is in linkage with the telescopic linkage rod 18 is driven to stretch relative to the driving hole 141, the function corresponding to different parts of the switching sliding piece 131 and the driving track 151 is realized, the motor is an existing component, and the mode of driving the first driving shaft 16 is not shown in the drawings.
The mold closing driving assembly comprises a second driving shaft 33, a driven shaft 34, a linkage rod 35 and a rotating assembly, wherein the second driving shaft 33 is rotatably arranged on the machine frame 1 along the horizontal vertical direction of the mold closing direction of the forming mold 2, the rotating assembly is arranged on the machine frame 1 and drives the second driving shaft 33 to rotate, an eccentric part 332 is eccentrically arranged on the second driving shaft 33 corresponding to the mold closing seat 32, the driven shaft 34 is parallel to the second driving shaft 33 and is fixed on the mold closing seat 32, one end of the linkage rod 35 is in rotary fit with the eccentric part 332, the other end of the linkage rod 35 is in rotary fit with the driven shaft 34, and when the eccentric part 332 of the driving shaft eccentrically rotates, the linkage rod 35 in rotary fit with the eccentric part 332 is driven to eccentrically rotate, so that the driven shaft 34 fixed on the mold closing seat 32 is driven to move forwards and backwards, and the mold closing action of the mold closing seat 32 is realized.
The first driving shaft 16 and the second driving shaft 33 are arranged in parallel, the rotating assembly comprises a first linkage gear 161 and a second linkage gear 331, the first linkage gear 161 is arranged on the periphery of the first driving shaft 16 and rotates synchronously with the first driving shaft 16, the second linkage gear 331 is arranged on the periphery of the second driving shaft 33 and rotates synchronously with the second driving shaft 33, the first linkage gear 161 and the second linkage gear 331 are meshed to form linkage of the first driving shaft 16 and the second driving shaft 33, so that a single driving source can drive each driving shaft to rotate, the die holder 32 and the switching seat 12 are driven to move, the equipment structure is simplified, and the equipment cost is reduced.
Claims (1)
1. The utility model provides a forming die auto-change over device of screw make-up machine, includes the frame, the frame on be provided with forming die and locking mechanism, forming die by wire rod place the portion and wire rod shaping portion constitutes of relative setting, wire rod place the portion and be provided with the hole of placing that supplies the wire rod to push, wire rod shaping portion be provided with extrusion wire rod fashioned forming head, locking mechanism include compound die track, compound die seat and compound die drive assembly, compound die track set up along forming die compound die direction, compound die drive assembly drive compound die seat remove in compound die track, its characterized in that: the frame is provided with a switching track, a switching seat and a switching driving assembly, the switching track is arranged in the horizontal and vertical direction along the die assembly direction of the forming die, the wire rod placing part comprises a first wire rod placing part and a second wire rod placing part, the first wire rod placing part and the second wire rod placing part are arranged in the switching seat along the track direction of the switching track, the wire rod forming part comprises a first wire rod forming part, a second wire rod forming part and a third wire rod forming part, the first wire rod forming part, the second wire rod forming part and the third wire rod forming part are arranged in the die assembly seat along the track direction of the switching track, and the switching driving assembly drives the switching seat to move, so that when the first wire rod placing part corresponds to the first wire rod forming part, the second wire rod placing part corresponds to the second wire rod forming part; the switching driving assembly drives the switching seat to move, and when the first wire rod placing part corresponds to the second wire rod forming part, the second wire rod placing part corresponds to the third wire rod forming part, and the forming head of the first wire rod forming part is identical to the forming head of the third wire rod forming part in shape and is different from the forming head of the second wire rod forming part in shape;
the switching driving assembly comprises a transmission rod, a transmission seat, a transmission block and a transmission block telescopic assembly, wherein the transmission seat is fixed on the frame, the transmission rod is arranged along the direction of a switching track, one end of the transmission rod is in linkage with the switching seat, the other end of the transmission rod extends into the transmission seat, the transmission seat is provided with a transmission hole in a penetrating manner, the transmission block telescopic assembly drives the transmission block to reciprocate in the transmission hole, the transmission block is provided with a transmission track, the transmission track is arranged along the tangential direction of the transmission rod, the transmission track is sequentially provided with a first part close to the switching seat, a second part connected with the first part and the third part and a third part far away from the switching seat along the moving direction of the transmission block, the end part of the transmission rod extending to the transmission seat is provided with a sliding piece sliding in the transmission track, and the sliding piece is provided with rollers;
the transmission block telescopic assembly comprises a first driving shaft, a transmission disc, a telescopic linkage rod and a motor, wherein the first driving shaft is parallel to the switching track and is rotationally arranged on the frame, the transmission disc is arranged on the periphery of the first driving shaft and synchronously rotates with the first driving shaft, the motor is arranged on the frame and drives the first driving shaft to rotate, the transmission disc is eccentrically provided with a transmission column, one end of the telescopic linkage rod is in rotational fit with the transmission column, and the other end of the telescopic linkage rod is hinged to the sliding piece;
the mold closing driving assembly comprises a second driving shaft, a driven shaft, a linkage rod and a rotating assembly, wherein the second driving shaft is rotatably arranged on the frame along the horizontal and vertical direction of the mold closing direction of the forming mold, the rotating assembly is arranged on the frame and drives the second driving shaft to rotate, an eccentric part is eccentrically arranged on the second driving shaft corresponding to the mold closing seat, the driven shaft and the second driving shaft are arranged in parallel and are fixed on the mold closing seat, one end of the linkage rod is in rotary fit with the eccentric part, and the other end of the linkage rod is in rotary fit with the driven shaft;
the first driving shaft and the second driving shaft are arranged in parallel, the rotating assembly comprises a first linkage gear and a second linkage gear, the first linkage gear is arranged on the periphery of the first driving shaft and rotates synchronously with the first driving shaft, the second linkage gear is arranged on the periphery of the second driving shaft and rotates synchronously with the second driving shaft, and the first linkage gear and the second linkage gear are meshed to form linkage of the first driving shaft and the second driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794178.1A CN107552713B (en) | 2017-09-06 | 2017-09-06 | Forming die switching device of screw forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794178.1A CN107552713B (en) | 2017-09-06 | 2017-09-06 | Forming die switching device of screw forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107552713A CN107552713A (en) | 2018-01-09 |
| CN107552713B true CN107552713B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710794178.1A Active CN107552713B (en) | 2017-09-06 | 2017-09-06 | Forming die switching device of screw forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107552713B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222215A (en) * | 2020-09-02 | 2021-01-15 | 宁波市镇海甬鼎紧固件制造有限公司 | Adjustable stud forming die |
| KR102414683B1 (en) * | 2022-02-09 | 2022-07-01 | 효동기계공업(주) | Former of the link type |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524179A (en) * | 1939-01-24 | 1940-07-31 | Greenwood & Batley Ltd | Improvements in or relating to cold forging machines |
| CN204075055U (en) * | 2014-09-10 | 2015-01-07 | 陈建德 | A kind of cutoff device of cold headers |
| CN204470495U (en) * | 2015-01-27 | 2015-07-15 | 温州金嘉品紧固件有限公司 | A kind of bolt-heading press |
| CN207119737U (en) * | 2017-09-06 | 2018-03-20 | 温州展邦机械有限公司 | The mould switching device of screw forming machine |
-
2017
- 2017-09-06 CN CN201710794178.1A patent/CN107552713B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524179A (en) * | 1939-01-24 | 1940-07-31 | Greenwood & Batley Ltd | Improvements in or relating to cold forging machines |
| CN204075055U (en) * | 2014-09-10 | 2015-01-07 | 陈建德 | A kind of cutoff device of cold headers |
| CN204470495U (en) * | 2015-01-27 | 2015-07-15 | 温州金嘉品紧固件有限公司 | A kind of bolt-heading press |
| CN207119737U (en) * | 2017-09-06 | 2018-03-20 | 温州展邦机械有限公司 | The mould switching device of screw forming machine |
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| Publication number | Publication date |
|---|---|
| CN107552713A (en) | 2018-01-09 |
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Address after: 325000 Dongshou, No. 157, Gaoxin Avenue, Yongzhong street, Longwan District, Wenzhou City, Zhejiang Province Applicant after: Zhejiang Zhanbang Machinery Co.,Ltd. Address before: 325000 Zhejiang city of Wenzhou province Hainan white goose Hunan Yang Industrial Zone No. 8 Applicant before: WENZHOU ZHANBANG MACHINERY Co.,Ltd. |
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