CN111195680A

CN111195680A - Combined stamping die

Info

Publication number: CN111195680A
Application number: CN202010092205.2A
Authority: CN
Inventors: 汤成
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-05-26

Abstract

The invention discloses a combined stamping die, which structurally comprises a die handle, an upper die holder, a buffering and damping device, an upper die, an alignment guide device, a lower die holder and an impact force monitoring base, wherein the lower die holder is arranged on the impact force monitoring base, and compared with the prior art, the combined stamping die has the beneficial effects that: through the setting of aiming at guider, utilize hydraulic pressure and UNICOM's ware principle, can slow down the falling speed of last mould, avoid going up mould and lower mould and take place the rigidity collision, avoid going up the mould, the lower mould takes place wearing and tearing, prevent to go up the gap between mould and the lower mould, avoid the air to get into from the gap, reduce the probability that the bubble appears in the formed part, help improving the quality of formed part, through setting up buffering damping device, can play the effect of shock attenuation buffering to the mould when the punching press, can provide the power that resets again to last mould when the drawing of patterns, do benefit to and go up the mould and break away from the lower mould, avoid the mould.

Description

Combined stamping die

Technical Field

The invention relates to the technical field of dies, in particular to a combined stamping die.

Background

A press die is a special processing equipment for processing a material into a part in cold press processing, called a cold press die, and the press die is a press processing method for obtaining a desired part by applying pressure to the material at room temperature by using a die mounted on a press machine to cause separation or plastic deformation.

The existing stamping die is not enough in technology, and the upper die and the lower die are subjected to rigid collision due to the fact that the stamping strength is high, so that the upper die and the lower die are abraded, gaps can be caused between the upper die and the lower die greatly, air can be led to enter the forming part, bubbles can be caused to the forming part, the quality of the forming part is influenced, vibration can be generated in the stamping process, damage is easily caused to the stamping die by vibration, and the service life of the stamping die is shortened.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide a combined stamping die.

The invention is realized by adopting the following technical scheme: a combined stamping die structurally comprises a die handle, an upper die holder, a buffering and damping device, an upper die, an alignment guide device, a lower die, a die holder and an impact monitoring base, wherein the impact monitoring base is provided with the die holder;

the alignment guide device comprises an inner barrel assembly, an outer barrel assembly, guide posts and limiting blocks, the inner barrel assembly is arranged in the outer barrel assembly, the guide posts are arranged on the inner barrel assembly, the limiting blocks are fixed at one ends, far away from the inner barrel assembly, of the guide posts, the limiting blocks are connected to the upper die base, and the outer barrel assembly is connected with the lower die base.

As a further optimization of the technical scheme, the inner cylinder component comprises a limiting ring, an inner cylinder body, a piston block and a channel, the piston block in seamless contact is arranged in the inner cylinder body, the limiting ring fixedly connected with the inner cylinder body is arranged above the piston block, the channel is arranged in four positions at the bottom of the outer side of the inner cylinder body, and the outer cylinder component is arranged in the inner cylinder body.

As a further optimization of the technical scheme, the outer barrel assembly comprises an inner spring, a weight piston ring, a limiting guide hopper and an outer barrel body, the weight piston ring is arranged in the outer barrel body, the weight piston ring is connected with one end of the inner spring, the other end of the inner spring is connected to the inner top surface of the outer barrel body, the limiting guide hopper is arranged below the weight piston ring, the limiting guide hopper is connected with the inner bottom of the outer barrel body in a seamless mode, and the outer barrel body is communicated with the channel.

As a further optimization of the technical scheme, the inner spring penetrates through the inner cylinder body and is in clearance fit with the inner cylinder body, the weight block piston ring is also matched with the inner cylinder body, the inner cylinder body is arranged in the outer cylinder body, the outer bottom surface of the inner cylinder body is fixedly connected with the inner bottom surface of the outer cylinder body, and the outer cylinder body is vertically connected to the lower die holder.

As a further optimization of the technical scheme, liquid is respectively arranged between the outer bottom surface of the heavy object block piston ring and the inner bottom surface of the outer cylinder body and between the piston block and the inner bottom surface of the outer cylinder body, and the liquid is one of vegetable oil or animal oil.

As a further optimization of the technical scheme, the height of the channel is smaller than the minimum vertical distance between the weight piston ring and the inner bottom surface of the outer cylinder body.

As the further optimization of this technical scheme, buffering damping device is including mount pad, guide cylinder, buffer spring, guide bar, No. two buffer spring, the guide cylinder embeds there is No. two buffer spring, the guide bar runs through in the guide cylinder and is connected with No. two buffer spring, the guide bar runs through there is buffer spring, the mount pad is all connected to buffer spring, guide bar, the mount pad is provided with two, and another links to each other with the guide cylinder.

As the further optimization of this technical scheme, the mount pad is including last slide, through-hole, screens mechanism, base, be equipped with screens mechanism in the base, screens mechanism both ends all correspond there is the through-hole, the through-hole is seted up on the base, base clearance fit has the upper slide, the screens hole has all been seted up to two inner of upper slide, guide cylinder, guide bar respectively link there is the upper slide, one the base links to each other with last mould, and another meets with the die holder.

As the further optimization of this technical scheme, screens mechanism is including card pearl, stopper, the smooth carousel of hand, the nut is vice, link, two-way threaded rod, the central point of two-way threaded rod puts excessive cooperation and has the smooth carousel of hand, smooth carousel both ends all are equipped with link, card pearl, the card pearl is all through the vice and two-way threaded rod threaded connection of nut, the link is connected in the base, the card pearl can with screens hole block.

Advantageous effects

Compared with the prior art, the invention provides a combined stamping die, which has the following beneficial effects:

(1) according to the invention, through the arrangement of the alignment guide device, the alignment of the upper die and the lower die can be guided, so that the upper die can be well aligned and matched with the lower die, and the quality of a die product is improved;

after the stamping is finished, the limiting block and the guide post are gradually far away from the piston block along with the ascending of the upper die, so that the piston ring of the weight block and the inner spring are reduced, the force stored by the inner spring during the compression and the gravity of the piston ring of the weight block exert pressure on liquid, and the liquid reversely flows into the inner cylinder body through the channel based on the principle of a communicating vessel, so that the piston block is pushed up by the liquid until the liquid is limited by the limiting ring;

(2) according to the invention, through the arrangement of the buffering and damping device, the elasticity of the first buffer spring and the second buffer spring is utilized, and the springs have a buffering function, so that the die can be damped and buffered during stamping, the die is prevented from being damaged, the service life of the die is prolonged, the upper die can be provided with resetting force during demoulding, and the upper die can be separated from the lower die;

(3) according to the invention, through the arrangement of the clamping mechanism, the bidirectional threaded rod is rotated by rotating the hand sliding turntable, so that the clamping beads can translate oppositely or oppositely along with the nut pair, when the two clamping beads translate oppositely, the clamping beads can be far away from the clamping hole, the upper sliding seat can slide on the base, the assembly and disassembly are convenient, when the two clamping beads translate oppositely, the clamping beads can move towards the clamping hole until being clamped with the clamping hole, the clamping of the upper sliding seat and the base is realized, and the replacement of the spring is convenient.

To sum up, through the spacing ring, the inner tube body, the piston piece, the passageway, the inner spring, the heavy object piece piston ring, spacing guide hopper, the combination setting of parts such as urceolus body, utilize hydraulic pressure and UNICOM's ware principle, can slow down the falling speed of last mould, avoid going up mould and lower mould to take place rigid collision, avoid going up the mould, the lower mould takes place wearing and tearing, prevent to go up the mould and the lower mould between the gap, avoid the air to get into from the gap, reduce the probability that the bubble appears in the formed part, help improving the quality of formed part, through setting up buffering damping device, can play the effect of shock attenuation buffering to the mould when the punching press, can provide restoring force to last mould again when the drawing of patterns, do benefit to the mould and break away.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a combined stamping die according to the present invention.

Fig. 2 is a schematic cross-sectional view of the alignment guide of the present invention in a first operating state.

Fig. 3 is a schematic cross-sectional view of the alignment guide of the present invention in a second operating state.

Fig. 4 is a schematic view of the internal structure of the shock absorbing device of the present invention.

Fig. 5 is a schematic view of the internal structure of the mounting base of the present invention.

Fig. 6 is a schematic cross-sectional structure view of the locking mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

a die handle-1, an upper die base-2, a buffering and damping device-3, an upper die-4, an alignment guide device-5, a lower die-6, a lower die base-7, an impact force monitoring base-8, an inner cylinder component-1A, an outer cylinder component-2A, a guide column-3A, a limiting block-4A, a limiting ring-A11, an inner cylinder body-A12, a piston block-A13, a channel-A14, an inner spring-A21, a heavy block-A22, a limiting guide bucket-A23, an outer cylinder body-A24, a mounting seat-1B, a guide cylinder-2B, a first buffer spring-3B, a guide rod-4B, a second buffer spring-5B, an upper sliding seat-B11, a through hole-B12, a clamping hole-B13, a clamping mechanism-B14, a first buffer spring-3B, a second buffer spring-3B, base-B15, clamping bead-B14 a, limiting block-B14B, hand sliding rotary disc-B14 c, nut pair-B14 d, connecting frame-B14 e and bidirectional threaded rod-B14 f.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, the present invention provides a technical solution of a combined stamping die: the impact force monitoring device structurally comprises a die handle 1, an upper die base 2, a buffering and damping device 3, an upper die 4, an alignment guide device 5, a lower die 6, a lower die base 7 and an impact force monitoring base 8, wherein the lower die base 7 is arranged on the impact force monitoring base 8, the center of the lower die base 7 is mechanically connected with the lower die 6, the upper die 4 is arranged right above the lower die 6, the upper die 4 is mechanically connected with the upper die base 2, the top of the upper die base 2 is vertically connected with the die handle 1, and four corners of the bottom surface of the upper die base 2 are connected with the lower die base 7 through the buffering and damping device 3 and the alignment guide;

aim at guider 5 including inner tube subassembly 1A, urceolus subassembly 2A, guide post 3A, stopper 4A, urceolus subassembly 2A embeds there is inner tube subassembly 1A, be equipped with guide post 3A on the inner tube subassembly 1A, guide post 3A keeps away from inner tube subassembly 1A's one end and is fixed with stopper 4A, stopper 4A connects in upper die base 2, urceolus subassembly 2A is connected with die holder 7, the setting of aiming at guider 5 plays the guide effect to last

mould

4 and 6 alignment of lower mould for go up mould 4 can be fine and the cooperation of aligning of 6 lower moulds, help improving the quality of mould.

The inner cylinder component 1A comprises a limit ring A11, an inner cylinder body A12, a piston block A13 and a channel A14, a seamless-contact piston block A13 is arranged in the inner cylinder body A12, the limit ring A11 fixedly connected with the inner cylinder body A12 is arranged above the piston block A13, the channel A14 is arranged in four positions of the bottom of the outer side of the inner cylinder body A12, the inner cylinder body A12 is arranged in the outer cylinder component 2A, the limit ring A11 is arranged to limit the piston block A13, the piston block A13 is effectively prevented from being separated from the inner cylinder body A12, the channel A14 is arranged to enable the inner cylinder body A12 to be communicated with the outer cylinder component 2A, and liquid can flow.

The outer cylinder component 2A comprises an inner spring A21, a weight piston ring A22, a limiting guide bucket A23 and an outer cylinder body A24, wherein the outer cylinder body A24 is internally provided with a weight piston ring A22, the weight piston ring A22 is connected with one end of the inner spring A21, the other end of the inner spring A21 is connected with the inner top surface of the outer cylinder body A24, the limiting guide bucket A23 is arranged below the weight piston ring A22, the limiting guide bucket A23 is connected with the inner bottom of the outer cylinder body A24 in a seamless mode, the outer cylinder body A24 is communicated with a channel A14, and the limiting guide bucket A23 is arranged to limit and support the weight piston ring A22, so that the weight piston ring A22 does not generate pulling force on the inner spring A21 during supporting, and the service life of the inner spring A21 is prolonged.

The inner spring A21 runs through the inner cylinder body A12 and both adopt clearance fit, the heavy piece piston ring A22 also matches with the inner cylinder body A12, the inner cylinder body A12 is arranged in the outer cylinder body A24 and the outer bottom surface of the inner cylinder body A12 is fixedly connected with the inner bottom surface of the outer cylinder body A24, the outer cylinder body A24 is vertically connected with the lower die holder 7, the arrangement of the inner spring A21 is beneficial to quick reset of the heavy piece piston ring A22, meanwhile, pressure is generated on the heavy piece piston ring A22, so that the buoyancy of liquid is smaller than the gravity of the heavy piece piston ring A22 and the pressure of the inner spring A21, and the reset of the piston piece A13 is facilitated.

Liquid is arranged between the outer bottom surface of the weight block piston ring A22 and the inner bottom surface of the outer cylinder body A24 and between the piston block A13 and the inner bottom surface of the outer cylinder body A24, and is one of vegetable oil or animal oil, so that the guide column 3A can be slowly retracted into the inner cylinder body A12, the descending speed of the upper die 4 is favorably slowed down, and the rigid collision between the upper die 4 and the lower die 6 is avoided.

The height of the channel a14 is less than the minimum vertical spacing of the weight piston ring a22 from the inner bottom surface of the outer cylinder body a24 so that liquid does not act on the outer side of the weight piston ring a 22.

Example 2

Referring to fig. 1-6, the present invention provides a technical solution of a combined stamping die: the impact force monitoring device structurally comprises a die handle 1, an upper die base 2, a buffering and damping device 3, an upper die 4, an alignment guide device 5, a lower die 6, a lower die base 7 and an impact force monitoring base 8, wherein the lower die base 7 is arranged on the impact force monitoring base 8, the center of the lower die base 7 is mechanically connected with the lower die 6, the upper die 4 is arranged right above the lower die 6, the upper die 4 is mechanically connected with the upper die base 2, the top of the upper die base 2 is vertically connected with the die handle 1, and four corners of the bottom surface of the upper die base 2 are connected with the lower die base 7 through the buffering and damping device 3 and the alignment guide;

mould

Buffering damping device 3 is including mount pad 1B, guide cylinder 2B, buffer spring 3B, guide bar 4B, No. two buffer spring 5B, guide cylinder 2B embeds there is No. two buffer spring 5B, guide bar 4B runs through in guide cylinder 2B and is connected with No. two buffer spring 5B, guide bar 4B runs through No. one buffer spring 3B, mount pad 1B is all connected to buffer spring 3B, guide bar 4B, mount pad 1B is provided with two, and another links to each other with guide cylinder 2B, buffer spring 3B, No. two buffer spring 5B have the effect of buffering based on the elasticity, play the effect of shock attenuation buffering when the punching press, can provide lower mould restoring force again when the drawing of patterns, do benefit to last mould 4 and break away from 6.

Mount pad 1B is including last slide B11, through-hole B12, screens hole B13, screens mechanism B14, base B15, be equipped with screens mechanism B14 in base B15, screens mechanism B14 both ends all correspond through-hole B12, through-hole B12 is seted up on base B15, base B15 clearance fit has last slide B11, screens hole B13 has all been seted up to two inner ends of last slide B11, guide cylinder 2B, guide bar 4B respectively link there is last slide B11, one base B15 links to each other with last mould 4, and another meets with die holder 7, screens hole B13 set up lie in can cooperating with screens mechanism B14, realize that upper slide B11 and base B15's dismantlement is connected.

The clamping mechanism B14 comprises a clamping bead B14a, a limiting block B14B, a hand sliding rotating disc B14c, a nut pair B14d, a connecting frame B14e and a bidirectional threaded rod B14f, the hand sliding rotating disc B14c is excessively matched at the center position of the bidirectional threaded rod B14f, the connecting frame B14e and the clamping bead B14a are arranged at two ends of the sliding rotating disc B14c, the clamping bead B14a is in threaded connection with the bidirectional threaded rod B14f through the nut pair B14d, the connecting frame B14e is connected to a base B15, the clamping bead B14a can be clamped with a clamping hole B13, and the clamping mechanism B14 is arranged to enable the upper sliding seat B11 and the base B15 to be detachable, so that the guide cylinder 2B, the guide rod 4B and other components can be conveniently detached.

The working principle of the invention is as follows: during stamping, the limiting block 4A and the guide column 3A generate pressure on the piston block A13 when the upper die 4 is pressed, the piston block A13 is pressed to descend along with the descending of the upper die 4, so that liquid in the inner cylinder body A12 is extruded, the liquid flows into a cavity of the outer cylinder body A24 through the channel A14 based on the pressure principle, and accordingly thrust is generated on the weight block piston ring A22, the inner spring A21 is compressed, the weight block piston ring A22 translates in the direction away from the limiting guide bucket A23 to contain the liquid extruded from the inner cylinder body A12, and the process is favorable for slowing down the descending speed of the upper die 4 and avoiding rigid collision between the upper die 4 and the lower die 6;

after stamping, the limiting block 4A and the guide post 3A gradually move away from the piston block A13 along with the ascending of the upper die 4, so that the weight block piston ring A22 and the inner spring A21 are reduced, the liquid is pressed by the accumulated force of the inner spring A21 in compression and the gravity of the weight block piston ring A22, and the liquid reversely flows into the inner cylinder body A12 through the channel A14 based on the principle of a communicating device, so that the piston block A13 is pushed upwards by the liquid until the piston block A11 is limited;

the manual sliding dial B14c is rotated to rotate the bidirectional threaded rod B14f, so that the clamping bead B14a can translate towards or away from the clamping hole B13 along with the nut pair B14d, when the two clamping beads B14a translate towards each other, the clamping bead B14a can move away from the clamping hole B13, the upper slide seat B11 can slide on the base B15 for convenient assembly and disassembly, and when the two clamping beads B14a translate towards each other, the clamping bead B14a can move towards the clamping hole B13 until the clamping bead B13 is clamped with the clamping hole B13, and therefore the upper slide seat B11 can be clamped with the base 15.

In summary, the technical progress obtained by the invention compared with the prior art is as follows: through the setting of aiming at guider, utilize hydraulic pressure and UNICOM's ware principle, can slow down the falling speed of last mould, avoid going up mould and lower mould and take place the rigidity collision, avoid going up the mould, the lower mould takes place wearing and tearing, prevent to go up the gap between mould and the lower mould, avoid the air to get into from the gap, reduce the probability that the bubble appears in the formed part, help improving the quality of formed part, through setting up buffering damping device, can play the effect of shock attenuation buffering to the mould when the punching press, can provide the power that resets again to last mould when the drawing of patterns, do benefit to and go up the mould and break away from the lower mould, avoid the mould.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a modular stamping die, its structure includes die shank (1), upper die base (2), buffering damping device (3), goes up mould (4), aligns guider (5), lower mould (6), die holder (7), impulsive force monitoring base (8), be equipped with die holder (7) of taking lower mould (6) on impulsive force monitoring base (8), lower mould (6) top is equipped with last mould (4) that link to each other with upper die base (2), die shank (1) is even on upper die base (2) top, upper die base (2) are connected its characterized in that through buffering damping device (3), alignment guider (5) and die holder (7):

aim at guider (5) including inner tube subassembly (1A), urceolus subassembly (2A), guide post (3A), stopper (4A), urceolus subassembly (2A) embeds there is inner tube subassembly (1A), be equipped with guide post (3A) that meet with stopper (4A) on inner tube subassembly (1A), stopper (4A) link in upper die base (2), urceolus subassembly (2A) connects in die holder (7).

2. The combined stamping die of claim 1, wherein: inner tube subassembly (1A) is including spacing ring (A11), inner tube body (A12), piston block (A13), passageway (A14), inner tube body (A12) interconnection is spacing ring (A11), still embeds there is piston block (A13), be equipped with passageway (A14) four at the bottom of inner tube body (A12) outside, place outer tube subassembly (2A) in inner tube body (A12).

3. The combined stamping die of claim 1, wherein: the outer cylinder component (2A) comprises an inner spring (A21), a weight piston ring (A22), a limiting guide bucket (A23) and an outer cylinder body (A24), the weight piston ring (A22) is arranged in the outer cylinder body (A24), the weight piston ring (A22) is connected with one end of the inner spring (A21), the other end of the inner spring (A21) is connected with the outer cylinder body (A24), the inner bottom of the outer cylinder body (A24) is further fixed with the limiting guide bucket (A23), and the outer cylinder body (A24) is communicated with a channel (A14).

4. A modular stamping die according to claim 3, wherein: the inner spring (A21) penetrates through the inner cylinder body (A12), the heavy object block piston ring (A22) is matched with the inner cylinder body (A12), the inner cylinder body (A12) is arranged in the outer cylinder body (A24), and the outer cylinder body (A24) is vertically connected with the lower die holder (7).

5. A modular stamping die according to claim 3, wherein: liquid is filled between the weight piston ring (A22) and the outer cylinder body (A24) and between the piston block (A13) and the outer cylinder body (A24), and the liquid is one of vegetable oil or animal oil.

6. The combined stamping die of claim 2, wherein: the height of the channel (A14) is smaller than the minimum vertical distance between the weight piston ring (A22) and the outer cylinder body (A24).

7. The combined stamping die of claim 1, wherein: buffering damping device (3) are including mount pad (1B), guide cylinder (2B), buffer spring (3B), guide bar (4B), No. two buffer spring (5B), guide cylinder (2B) embeds there is No. two buffer spring (5B), guide bar (4B) run through in guide cylinder (2B) and are connected with No. two buffer spring (5B), guide bar (4B) run through have buffer spring (3B) and both all link in mount pad (1B).

8. The combination stamping die of claim 7, wherein: mount pad (1B) is including last slide (B11), through-hole (B12), screens hole (B13), screens mechanism (B14), base (B15), be equipped with screens mechanism (B14) in base (B15), still seted up through-hole (B12), base (B15) cooperation has last slide (B11) of taking screens hole (B13).

9. The combination stamping die of claim 8, wherein: clamping mechanism (B14) is including card pearl (B14a), stopper (B14B), hand sliding rotary table (B14c), the vice (B14d) of nut, link (B14e), two-way threaded rod (B14f), hand sliding rotary table (B14c) is equipped with in the middle of two-way threaded rod (B14f), sliding rotary table (B14c) both ends all are equipped with link (B14e), card pearl (B14a), card pearl (B14a) all through vice (B14d) of nut and two-way threaded rod (B14f) spiro union, link (B14e) connect in base (B15), card pearl (B14a) can with screens hole (B13) block.