CN217726849U

CN217726849U - Structure for protecting small punch in mold design

Info

Publication number: CN217726849U
Application number: CN202221639641.8U
Authority: CN
Inventors: 张斌; 肖爱琴; 陈琼; 费晓君
Original assignee: WUXI INSTITUTE OF TECHNICIAN
Current assignee: WUXI INSTITUTE OF TECHNICIAN
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-04
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to a structure of tiny punching pin in protection mold design, go into the son including a mould, the top that the son was gone into to a mould is equipped with a circular opening of intercommunication, a circular open-ended inner wall sliding connection has the jumper bar, the bottom of jumper bar and the interior diapire of son are gone into to a mould contact each other. The utility model discloses a two-way threaded rod, the thread bush, cooperation between shifting chute and the movable plate is used, can be so that this L type gag lever post carries on spacingly to the fixed orifices on jumper bar surface, guarantee the fixity between jumper bar and a mould income son, this most advanced punch has also been improved simultaneously and has been stabilized at the during operation, through the protective frame, the installation pole, a spring, under the cooperation between movable block and the arc grip block, be for protecting the surface of most advanced punch, the benefit of design like this, can avoid most advanced punch to take place the problem of warping or rupture.

Description

Structure for protecting small punch in mold design

Technical Field

The utility model relates to a punching pin protection architecture technical field specifically is a structure of tiny punching pin in the design of protection mould.

Background

The mold is formed by combining a plurality of parts and is a tool for manufacturing the model, the punch is an indispensable part in the mold in the process of manufacturing the model, and the punch is easy to damage the outside to a certain extent during working, so that the punch needs to be protected to a certain extent.

The structure of the small punch in the existing protection die design is not ideal enough for the protection of the punch, so that the punch is easy to deform or break, the normal work of the punch is seriously caused, and the service life is short.

We therefore propose a structure to protect the tiny punches in the die design to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a structure of tiny punching pin in the design of protection mould has solved the problem that proposes in the above-mentioned background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a structure of tiny punching pin in protection mold design, includes that a mould goes into the son, the top that a mould goes into the son is equipped with a circular opening of intercommunication, the inner wall sliding connection of a circular opening has the drift, the bottom of drift and the interior diapire of a mould income son contact each other, the interior diapire that a mould goes into the son is equipped with circular opening No. two, the bottom fixedly connected with drift of drift is most advanced, the most advanced surface of drift and No. two circular opening's inner wall sliding connection, the surface of drift is equipped with the fixed orifices of two symmetries, the inner wall of fixed orifices is equipped with the spacing subassembly of joint, the most advanced surface of drift is equipped with protective assembly, protective assembly establishes to dismantling with the bottom that a mould goes into the son and is connected.

Further, spacing subassembly includes concave type frame, the fixed surface that the son was gone into to the surface and a mould of concave type frame is connected, the inside wall of concave type frame is connected with two-way threaded rod through the bearing, the surperficial threaded connection of two-way threaded rod has the thread bush of two symmetries, the fixed surface of thread bush is connected with the movable plate, the fixed surface of movable plate is connected with L type dead lever, the surface that a mould goes into the son is equipped with the shifting chute of intercommunication, the inner wall of shifting chute and the sliding surface connection of movable plate, L type dead lever is located the inside that a mould goes into the son, the other end of L type dead lever and the inner wall joint of fixed orifices.

Furthermore, one end, located outside the concave frame, of the bidirectional threaded rod is fixedly connected with a circular handle, and anti-skid grains are arranged on the surface of the circular handle.

Furthermore, the protection assembly comprises a protection frame, two symmetrical installation rods are fixedly connected to the inner side wall of the protection frame, a spring is sleeved on the surface of each installation rod, a moving block is connected to the surface of each installation rod in a sliding mode, an arc-shaped clamping plate matched with the surface of the top end of the punch is fixedly connected to the surface of the moving block, the inner wall of the arc-shaped clamping plate is in close contact with the surface of the top end of the punch, a communicated third circular opening is formed in the inner bottom wall of the protection frame, and the surface of the top end of the punch is connected with the inner wall of the third circular opening in a sliding mode.

Furthermore, the surface of protection frame is equipped with the mounting hole of two symmetries, the inner wall sliding connection of mounting hole has the location lead screw, the top of location lead screw and the bottom fixed connection of a mould income son, the surperficial threaded connection of location lead screw has fixed cover.

Furthermore, the inner wall of the first mold insert is fixedly connected with two symmetrical arc limiting plates, and the inner walls of the arc limiting plates are connected with the surface of the punch in a sliding mode.

Compared with the prior art, the utility model provides a structure of tiny punching pin in the design of protection mould possesses following beneficial effect:

through the two-way threaded rod, the thread bush, cooperation between shifting chute and the movable plate is used, can make this L type gag lever post carry on spacingly to the fixed orifices on jumper bar surface, guarantee the fixity between jumper bar and a mould income piece, this most advanced punch stability at the during operation has also been improved simultaneously, through the protective frame, the installation pole, a spring, under the cooperation between movable block and the arc grip block, be for protecting the surface of most advanced punch, the benefit of design like this, can avoid most advanced punch to take place the problem of warping or rupture.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the first mold insert of the present invention;

FIG. 3 is a schematic view of the structure of the limiting assembly of the present invention;

fig. 4 is a schematic view of the structure of the protection assembly of the present invention.

In the figure, 1, a mold insert I; 2. a first circular opening; 3. punching; 4. a second round opening; 5. a punch tip; 6. a fixing hole; 7. a limiting component; 701. a concave frame; 702. a bidirectional threaded rod; 703. a threaded sleeve; 704. moving the plate; 705. an L-shaped fixing rod; 706. a round handle; 8. a guard assembly; 801. a protective frame; 802. mounting a rod; 803. a spring; 804. a moving block; 805. an arc-shaped splint; 806. a third round opening; 807. mounting holes; 9. a moving groove; 10. positioning a screw rod; 11. fixing a sleeve; 12. and an arc limiting plate.

Detailed Description

The foregoing and other technical and other features and advantages of the invention will be apparent from the following more particular description of the embodiments of the invention, as illustrated in the accompanying drawings. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1: as shown in fig. 1-3, an embodiment of the present invention provides a structure for protecting a small punch in a mold design, which comprises a mold insert 1, a first circular opening 2 communicated with the top of the mold insert 1, a punch 3 slidably connected to the inner wall of the first circular opening 2, the bottom of the punch 3 contacting with the inner bottom wall of the mold insert 1, a second circular opening 4 arranged on the inner bottom wall of the mold insert 1, a punch tip 5 fixedly connected to the bottom of the punch 3, a surface of the punch tip 5 slidably connected to the inner wall of the second circular opening 4, two symmetrical fixing holes 6 arranged on the surface of the punch 3, a limiting component 7 clamped to the inner wall of the fixing hole 6, a protection component 8 arranged on the surface of the punch tip 5, the protection component 8 detachably connected to the bottom of the mold insert 1, the punch 3 is inserted into the first mold insert 1 from the first circular opening 2, the bottom end surface of the punch 3 is contacted with the inner bottom wall of the first mold insert 1, the punch tip 5 at the bottom end of the punch 3 enters between the two arc-shaped clamping plates 805 inside the protection frame 801 through the second circular opening 4, and finally the punch tip 5 is located at the bottom of the protection frame 801 through the third circular opening 806, when the punch tip 5 is contacted with the arc-shaped clamping plates 805, the arc-shaped clamping plates 805 slide on the surface of the mounting rod 802 through the moving block 804 to press the springs 803, wherein the arc-shaped clamping plates 805 can be ensured to be in close contact with the surfaces of the punch tips 5 under the elastic force of the springs 803, and the purpose of the design is to effectively protect the punch tips 5 during operation and avoid the problem that the punch tips 5 are deformed or broken.

As shown in fig. 2-3, in some embodiments, the limiting assembly 7 includes a concave frame 701, a surface of the concave frame 701 is fixedly connected to a surface of the first mold insert 1, an inner sidewall of the concave frame 701 is connected to a bidirectional threaded rod 702 through a bearing, a surface of the bidirectional threaded rod 702 is in threaded connection with two symmetrical thread sleeves 703, a surface of the thread sleeves 703 is fixedly connected to a moving plate 704, a surface of the moving plate 704 is fixedly connected to an L-shaped fixing rod 705, a surface of the first mold insert 1 is provided with a communicating moving groove 9, an inner wall of the moving groove 9 is slidably connected to a surface of the moving plate 704, the L-shaped fixing rod 705 is located inside the first mold insert 1, the other end of the L-shaped fixing rod 705 is clamped to an inner wall of the fixing hole 6, when the bidirectional threaded rod 702 rotates on the inner wall of the concave frame 701, the two thread sleeves 703 on the surface of the bidirectional threaded rod 702 make opposite linear motions, and the two moving plates 704 symmetric to the thread sleeves 703 slide on the inner wall of the moving groove 9, so that the L-shaped fixing rod 705 enters the fixing hole 6 on the surface of the punch 3, thereby improving a fixing effect of the punch 3 connected to the inner wall of the first mold insert 1, and ensuring stability of the punch 5 during a working process of the punch.

As shown in fig. 3, in some embodiments, a circular handle 706 is fixedly connected to one end of the bidirectional threaded rod 702 located outside the concave frame 701, and anti-slip threads are arranged on the surface of the circular handle 706, so that the circular handle 706 can be matched with the bidirectional threaded rod 702 in a rotating process, and time and labor are saved, and therefore the limiting component 7 can limit the punch 3, and the punch tip 5 at the bottom of the punch 3 can work stably.

As shown in fig. 4, in some embodiments, the protection assembly 8 includes a protection frame 801, two symmetrical mounting rods 802 are fixedly connected to an inner side wall of the protection frame 801, a spring 803 is sleeved on a surface of the mounting rod 802, a moving block 804 is slidably connected to a surface of the mounting rod 802, an arc clamping plate 805 adapted to a surface of the punch tip 5 is fixedly connected to a surface of the moving block 804, an inner wall of the arc clamping plate 805 is in close contact with a surface of the punch tip 5, a communicated third circular opening 806 is formed in an inner bottom wall of the protection frame 801, a surface of the punch tip 5 is slidably connected to an inner wall of the third circular opening 806, the protection frame 801 is used for protecting the surface of the punch tip 5, and when the arc clamping plate 805 is pressed by the moving block 804 in cooperation with the spring 803, an effect of the arc clamping plate on protecting the surface of the punch tip 5 can be ensured, so that not only stability of the punch tip 5 in operation can be ensured, but also a service life of the punch tip 5 can be prolonged.

As shown in fig. 4, in some embodiments, two symmetrical mounting holes 807 are formed in the surface of the protection frame 801, a positioning screw rod 10 is slidably connected to the inner wall of the mounting hole 807, the top end of the positioning screw rod 10 is fixedly connected to the bottom of the first mold insert 1, a fixing sleeve 11 is threadedly connected to the surface of the positioning screw rod 10, the mounting hole 807 formed in the surface of the protection frame 801 is sleeved on the surface of the positioning screw rod 10, and then the protection frame 801 can be fixed to the bottom of the first mold insert 1 under the rotation between the fixing sleeve 11 and the positioning screw rod 10, so that the quick installation between the first mold insert 1 and the protection frame 801 is facilitated, and meanwhile, the protection component 8 can effectively protect the punch tip 5.

As shown in fig. 2, in some embodiments, two symmetrical arc-shaped limiting plates 12 are fixedly connected to the inner wall of the first mold insert 1, the inner wall of each arc-shaped limiting plate 12 is slidably connected to the surface of the punch 3, and the accurate positioning between the punch 3 and the first mold insert 1 during installation can be ensured through the arc-shaped limiting plates 12 when the punch 3 is inserted into the first mold insert 1.

The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.

Claims

1. The utility model provides a structure of tiny punching pin in protection mould design, includes a mould income (1), its characterized in that: the top of a mould income son (1) is equipped with circular opening (2) of intercommunication, the inner wall sliding connection of circular opening (2) has drift (3), the bottom of drift (3) and the interior diapire of a mould income son (1) contact each other, the interior diapire of a mould income son (1) is equipped with circular opening (4) No. two, the bottom fixedly connected with drift most advanced (5) of drift (3), the surface of drift most advanced (5) and the inner wall sliding connection of circular opening (4) No. two, the surface of drift (3) is equipped with fixed orifices (6) of two symmetries, the inner wall of fixed orifices (6) is equipped with spacing subassembly (7) of joint, the surface of drift most advanced (5) is equipped with protection component (8), protection component (8) are established to dismantling with the bottom of a mould income son (1) and are connected.

2. The structure for protecting fine punches in a die design according to claim 1, wherein: spacing subassembly (7) are including concave type frame (701), the fixed surface of the surface of concave type frame (701) and a mould income son (1) is connected, the inside wall of concave type frame (701) is connected with two-way threaded rod (702) through the bearing, the surperficial threaded connection of two-way threaded rod (702) has two symmetrical thread bush (703), the fixed surface of thread bush (703) is connected with movable plate (704), the fixed surface of movable plate (704) is connected with L type dead lever (705), the surface of a mould income son (1) is equipped with shifting chute (9) of intercommunication, the inner wall of shifting chute (9) and the sliding surface connection of movable plate (704), L type dead lever (705) are located the inside of a mould income son (1), the other end and the inner wall joint of fixed orifices (6) of L type dead lever (705).

3. The structure for protecting the fine punch in the die design as claimed in claim 2, wherein: one end, located outside the concave frame (701), of the bidirectional threaded rod (702) is fixedly connected with a circular handle (706), and anti-skidding threads are arranged on the surface of the circular handle (706).

4. The structure for protecting fine punches in a die design according to claim 1, wherein: the protection assembly (8) comprises a protection frame (801), two symmetrical mounting rods (802) are fixedly connected to the inner side wall of the protection frame (801), a spring (803) is sleeved on the surface of each mounting rod (802), a moving block (804) is slidably connected to the surface of each mounting rod (802), an arc-shaped clamping plate (805) matched with the surface of the punch tip (5) is fixedly connected to the surface of each moving block (804), the inner wall of each arc-shaped clamping plate (805) is in close contact with the surface of the punch tip (5), a third circular opening (806) communicated with each other is formed in the inner bottom wall of the protection frame (801), and the surface of the punch tip (5) is slidably connected with the inner wall of the third circular opening (806).

5. The structure for protecting fine punches in a die design according to claim 4, wherein: the surface of protective frame (801) is equipped with mounting hole (807) of two symmetries, the inner wall sliding connection of mounting hole (807) has positioning screw (10), the top of positioning screw (10) and the bottom fixed connection of a mould income (1), the surperficial threaded connection of positioning screw (10) has fixed cover (11).

6. The structure for protecting the fine punch in the die design as claimed in claim 1, wherein: the inner wall of the first mold insert (1) is fixedly connected with two symmetrical arc limiting plates (12), and the inner walls of the arc limiting plates (12) are connected with the surface of the punch (3) in a sliding mode.