CN220760868U - Rear pressing mechanism of cutting die - Google Patents
Rear pressing mechanism of cutting die Download PDFInfo
- Publication number
- CN220760868U CN220760868U CN202322162794.9U CN202322162794U CN220760868U CN 220760868 U CN220760868 U CN 220760868U CN 202322162794 U CN202322162794 U CN 202322162794U CN 220760868 U CN220760868 U CN 220760868U
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- cutting
- die
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- clamping
- hole
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- 238000005520 cutting process Methods 0.000 title claims abstract description 67
- 238000003825 pressing Methods 0.000 title claims abstract description 18
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a rear pressing mechanism of a cutting die, which comprises a supporting seat, wherein a die cutting seat is fixedly arranged on the supporting seat, a fixed die core is arranged in the die cutting seat, and a channel for a wire rod to pass through is arranged in the fixed die core; the clamping mechanism comprises a clamping block, a connecting rod, an elastic piece, a driving block and a driving piece, wherein the driving piece is fixed at the lower end of the supporting seat, the output end of the driving piece is connected to the driving block, connecting rods are arranged on two sides of the driving block, the upper end of the connecting rod is connected to the clamping block, the clamping block is arranged at the upper end of the fixed die core, the die cutting seat is provided with a chute with an upper end opening, the clamping block is vertically and movably arranged in the chute, the clamping block is provided with an upper groove matched with a wire, the supporting seat and the die cutting seat are provided with through holes for the connecting rod to pass through, the elastic piece is used for providing elastic force for the clamping block upwards, and when the wire is cut, the rear end of the wire can be firmly clamped on the fixed die core through the clamping mechanism, so that the wire is not shifted in the cutting process is ensured, and the flatness of a wire cutting section is ensured.
Description
Technical Field
The utility model relates to the technical field of wire rod processing, in particular to a rear pressing mechanism of a cutting die.
Background
In the machining field, a wire cutting technology is often used, namely a cutting device is used for cutting a strip wire into a section-shaped wire, the existing cutting device comprises a feeding mechanism, a straightening mechanism and a cutting mechanism which are sequentially arranged, and when the wire cutting device works, the strip wire is intermittently conveyed to a station where the straightening mechanism is located under the action of the feeding mechanism, and is cut into sections through the cutting mechanism after being straightened by the straightening mechanism.
The existing cutting mechanism is as in China patent (issued to patent number CN 218946092U), and comprises a die body, a cutter plate, a front cutter body and a rear cutter body, wherein the rear cutter body is fixedly arranged in the die body, a guide groove is formed in the die body, the cutter plate is arranged in the guide groove, the front cutter body is arranged on the cutter plate, a feeding hole for placing a bar stock is formed in the rear cutter body, the cutter plate is used for driving the front cutter body to press down so as to cut off the bar stock, an auxiliary blanking mechanism which is driven by the cutter plate is arranged on the cutter plate, and the auxiliary blanking mechanism is used for supporting a blanking end of the bar stock. In order to ensure the flatness of the cut surface of the wire rod, the cutting mechanism is rotatably provided with a locking block at a position adjacent to the cutting position, the upper end of the clamping block is provided with a locking oil cylinder, the locking block is driven to clamp the wire rod through the action of the locking oil cylinder, but the locking structure occupies a larger space, the locking oil cylinder is more inconvenient to assemble, and on the other hand, the locking force of one side of the locking block corresponding to the tightening oil cylinder is larger than that of the other side, so that the locking forces of the two sides are unbalanced, and the clamping effect is more general.
Disclosure of Invention
The utility model aims to provide a rear pressing mechanism of a cutting die, which can firmly clamp the rear end of a wire on a fixed die core through a clamping mechanism when cutting the wire, and has better clamping effect, compact structure and smaller occupied space compared with the existing structure.
The technical aim of the utility model is realized by the following technical scheme: a rear pressing mechanism of a cutting die, which comprises
A support base;
the die cutting seat is fixedly arranged on the supporting seat, a fixed die core is arranged in the die cutting seat, and a channel for a wire rod to pass through is formed in the fixed die core;
clamping mechanism, including grip block, connecting rod, elastic component, drive block and drive piece, the lower extreme at the supporting seat is fixed to the drive piece, and the output of drive piece is connected in the drive block, and the drive block corresponds the both sides of drive piece and is equipped with the connecting rod respectively, and the upper end of connecting rod is connected in the grip block, and the grip block setting is in the upper end of deciding the mold core, and the cross cutting seat is equipped with upper end open-ended spout, and the grip block vertically movably sets up at the spout, and the grip block is equipped with the upper groove with wire rod looks adaptation, supporting seat and cross cutting seat are equipped with the through-hole that supplies the connecting rod to pass, and the elastic component is used for providing the ascending elasticity of grip block.
Further, the cover half core includes integrated into one piece's feed section and clamping section, and clamping section is equipped with flat cutting groove to make clamping section correspond the position of passageway and form the lower recess, lower recess and wire rod looks adaptation.
Further, the clamping block is arranged right above the clamping section, the driving piece acts to drive the clamping block to move downwards along the sliding groove, the clamping section of the clamping block and the fixed die core is matched with the wire rod to clamp the wire rod, and when the driving piece resets, the clamping block resets under the action of the elastic force of the elastic piece, so that the clamping section of the clamping block and the fixed die core loosens the wire rod.
Further, a guide opening is arranged on one side of the channel of the fixed mold core corresponding to the feeding opening.
Further, the through hole comprises an upper section hole and a lower section hole, wherein the aperture of the upper section hole is larger than that of the lower section hole, so that a step is formed at the joint of the upper section hole and the lower section hole, a flange is convexly arranged at the upper end of the connecting rod corresponding to the step, the upper end of the elastic piece is propped against the lower end face of the flange, and the lower end of the elastic piece is propped against the step.
Further, the driving block is connected with the lower end of the connecting rod through a first fastening piece.
Further, the clamping block is connected with the upper end of the connecting rod through a second fastening piece.
Further, a mounting hole for mounting the fixed die core is formed in the die cutting seat, a limiting structure is arranged on one side of the die cutting seat corresponding to the wire feeding hole, and the fixed die core is limited in the mounting hole through the limiting structure.
In summary, the utility model has the following beneficial effects:
the rear pressing mechanism can firmly clamp the rear end of the wire rod on the fixed die core through the clamping mechanism when the wire rod is cut off, so that the rear end of the wire rod is prevented from shifting in the cutting process, the flatness of a cutting surface of the wire rod is ensured, and meanwhile, compared with the existing structure, the rear pressing mechanism is compact in structure and occupies smaller space.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a top view of the present utility model.
FIG. 3 is a cross-sectional view at A-A of the present utility model.
FIG. 4 is a cross-sectional view at B-B of the present utility model.
Fig. 5 is a schematic structural view of the stationary mold core of the present utility model.
Fig. 6 is a schematic structural view of the die-cutting base of the present utility model.
In the figure: 10. a support base; 11. a through hole; 111. an upper section hole; 112. a lower section hole; 20. a die cutting seat; 21. a chute; 30. a mold core is fixed; 31. a channel; 311. a guide opening; 32. a feed section; 33. a clamping section; 331. a lower groove; 40. a clamping mechanism; 41. a clamping block; 411. an upper groove; 412. a second fastener; 42. a connecting rod; 421. a flange; 43. an elastic member; 44. a driving block; 441. a first fastener; 45. a driving member; 50. a limiting plate; 51. a limit screw; 60. a wire rod.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, a rear pressing mechanism of a cutting die includes a support base 10, a die-cutting base 20, a stationary die core 30, and a clamping mechanism 40, which constitute the basic structure of the present utility model.
The die cutting seat 20 is fixedly arranged on the supporting seat 10, a fixed die core 30 is arranged in the die cutting seat 20, a channel 31 for a wire 60 to pass through is formed in the fixed die core 30, specifically, the die cutting seat 20 is fixedly arranged on the supporting seat 10 through a fastener, the die cutting seat 20 is provided with a mounting hole for mounting the fixed die core 30, and the fixed die core 30 is mounted in the mounting hole.
The clamping mechanism 40 is arranged at the rear end of the cutting position, in the utility model, the rear end is the feeding end of the wire 60, the front end is the discharging end (cutting end) of the wire 60, the clamping mechanism 40 comprises a clamping block 41, a connecting rod 42, an elastic piece 43, a driving block 44 and a driving piece 45, the driving piece 45 is fixed at the lower end of the supporting seat 10, the output end of the driving piece 45 is connected with the driving block 44, the connecting rods 42 are respectively arranged at two sides of the driving block 44 corresponding to the driving piece 45, the upper ends of the connecting rods 42 are connected with the clamping block 41, the clamping block 41 is arranged at the upper end of the fixed die core 30, the die cutting seat 20 is provided with a chute 21 with an opening at the upper end, the clamping block 41 is vertically movably arranged in the chute 21, the clamping block 41 is provided with an upper groove 411 matched with the wire 60, the supporting seat 10 and the die cutting seat 20 are provided with through holes 11 for the connecting rods 42 to pass, and the elastic piece 43 are used for providing upward elasticity of the clamping block 41.
The fixed die core 30 comprises an integrally formed feeding section 32 and a clamping section 33, the clamping section 33 is provided with a flat cutting groove, so that a lower groove 331 is formed at a position of the clamping section 33 corresponding to the channel 31, and the lower groove 331 is matched with the wire 60. Further, the clamping block 41 is disposed right above the clamping section 33, and the driving member 45 acts to drive the clamping block 41 to move down along the chute 21, so that the clamping block 41 cooperates with the clamping section 33 of the fixed mold core 30 to clamp the wire 60, and when the driving member 45 resets, the clamping block 41 resets under the action of the elastic force of the elastic member 43, so that the clamping block 41 and the clamping section 33 of the fixed mold core 30 release the wire 60.
The channel 31 of the fixed die core 30 is provided with a guide opening 311 corresponding to the side of the feed opening, so that the wire 60 can enter the channel 31 of the fixed die core 30.
The through hole 11 includes an upper hole 111 and a lower hole 112, wherein the hole diameter of the upper hole 111 is larger than the hole diameter of the lower hole 112, so that a step is formed at the connection position of the upper hole 111 and the lower hole 112, a flange 421 is convexly arranged at the upper end of the connecting rod 42 corresponding to the step, the upper end of the elastic piece 43 is propped against the lower end surface of the flange 421, the lower end of the elastic piece 43 is propped against the step, the elastic piece 43 is a spring, and through the arrangement of the elastic piece 43, on one hand, the upward restoring force of the clamping block 41 can be provided, and on the other hand, due to the arrangement of the spring, the hard contact of the clamping block 41 for clamping the wire 60 is converted into soft contact, so that the clamping effect can be improved, and damage of the fixed die core 30, the clamping block 41 and the wire 60 can be prevented.
The driving block 44 is connected to the lower end of the connection rod 42 by a first fastening member 441, and the clamping block 41 is connected to the upper end of the connection rod 42 by a second fastening member 412.
The die cutting seat 20 is internally provided with a mounting hole for mounting the fixed die core 30, one side of the die cutting seat 20 corresponding to the feeding hole of the wire 60 is provided with a limiting structure, the fixed die core 30 is limited in the mounting hole through the limiting structure, the limiting structure comprises a limiting plate 50 fixedly mounted on the die cutting seat 20 and a limiting screw 51 arranged on the limiting plate 50, the end face of the limiting screw 51 is propped against the fixed die core 30, and in the utility model, the limiting screw 51 is provided with two groups and symmetrically arranged on two sides of the wire 60.
In summary, the utility model has the following beneficial effects:
according to the rear pressing mechanism, when the wire rod 60 is cut off, the rear end of the wire rod 60 can be firmly clamped on the fixed die core 30 through the clamping mechanism 40, so that the rear end of the wire rod 60 is prevented from shifting in the cutting process, the flatness of a cutting surface of the wire rod 60 is ensured, and meanwhile, compared with an existing structure, the rear pressing mechanism is compact in structure and smaller in occupied space.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (8)
1. A rear hold-down mechanism of a cutting die, which is characterized in that: comprising
A supporting seat (10),
the die cutting seat (20) is fixedly arranged on the supporting seat (10), a fixed die core (30) is arranged in the die cutting seat (20), and a channel (31) for a wire (60) to pass through is formed in the fixed die core (30);
clamping mechanism (40), including grip block (41), connecting rod (42), elastic component (43), driving piece (44) and driving piece (45), the lower extreme at supporting seat (10) is fixed in driving piece (45), the output of driving piece (45) is connected in driving piece (44), the both sides that driving piece (44) correspond driving piece (45) are equipped with connecting rod (42) respectively, the upper end of connecting rod (42) is connected in grip block (41), grip block (41) set up the upper end at cover half core (30), cross cutting seat (20) are equipped with upper end open-ended spout (21), grip block (41) vertically movably set up at spout (21), grip block (41) are equipped with upper groove (411) with wire rod (60) looks adaptation, supporting seat (10) and cross cutting seat (20) are equipped with through-hole (11) that supply connecting rod (42) to pass, elastic component (43) are used for providing grip block (41) ascending elasticity.
2. A rear pressing mechanism of a cutting die as defined in claim 1, wherein: the fixed die core (30) comprises an integrally formed feeding section (32) and a clamping section (33), the clamping section (33) is provided with a flat cutting groove, a lower groove (331) is formed in the position, corresponding to the channel (31), of the clamping section (33), and the lower groove (331) is matched with the wire (60).
3. A rear pressing mechanism of a cutting die as defined in claim 2, wherein: the clamping block (41) is arranged right above the clamping section (33), the driving piece (45) acts to drive the clamping block (41) to move downwards along the sliding groove (21), the clamping block (41) is matched with the clamping section (33) of the fixed die core (30) to clamp the wire (60), when the driving piece (45) resets, the clamping block (41) resets under the action of the elastic force of the elastic piece (43), and the clamping block (41) and the clamping section (33) of the fixed die core (30) are enabled to loosen the wire (60).
4. A rear pressing mechanism of a cutting die as defined in claim 1, wherein: and one side of a channel (31) of the fixed die core (30) corresponding to the feeding hole is provided with a guide hole (311).
5. A rear pressing mechanism of a cutting die as defined in claim 1, wherein: the through hole (11) comprises an upper section hole (111) and a lower section hole (112), wherein the aperture of the upper section hole (111) is larger than that of the lower section hole (112), so that a step is formed at the joint of the upper section hole (111) and the lower section hole (112), a flange (421) is convexly arranged at the upper end of the connecting rod (42) corresponding to the step, the upper end of the elastic piece (43) is propped against the lower end surface of the flange (421), and the lower end of the elastic piece (43) is propped against the step.
6. A rear pressing mechanism of a cutting die as defined in claim 1, wherein: the driving block (44) is connected with the lower end of the connecting rod (42) through a first fastening piece (441).
7. A rear pressing mechanism of a cutting die as defined in claim 1, wherein: the clamping block (41) is connected with the upper end of the connecting rod (42) through a second fastening piece (412).
8. A rear pressing mechanism of a cutting die as defined in claim 1, wherein: the die cutting seat (20) is internally provided with a mounting hole for mounting the die cutting core (30), one side of the die cutting seat (20) corresponding to the wire (60) feed inlet is provided with a limiting structure, and the die cutting core (30) is limited in the mounting hole through the limiting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322162794.9U CN220760868U (en) | 2023-08-11 | 2023-08-11 | Rear pressing mechanism of cutting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322162794.9U CN220760868U (en) | 2023-08-11 | 2023-08-11 | Rear pressing mechanism of cutting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220760868U true CN220760868U (en) | 2024-04-12 |
Family
ID=90619199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322162794.9U Active CN220760868U (en) | 2023-08-11 | 2023-08-11 | Rear pressing mechanism of cutting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220760868U (en) |
-
2023
- 2023-08-11 CN CN202322162794.9U patent/CN220760868U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |