CN112605237A

CN112605237A - Stamping device with buffer structure

Info

Publication number: CN112605237A
Application number: CN202011642070.9A
Authority: CN
Inventors: 鄢绪波
Original assignee: Yidu Pengxin Photoelectric Machinery Co ltd
Current assignee: Wuhan Weiputai Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-04-06
Anticipated expiration: 2040-12-31
Also published as: CN112605237B

Abstract

The invention discloses a stamping device with a buffer structure, which comprises a machine tool, wherein the left side of the machine tool is connected with a support frame, the left side of the support frame is connected with an electric cabinet, the top of the right side wall of the support frame is connected with a fixed seat, the bottom of the fixed seat is connected with a cylinder, the bottom of the cylinder is connected with an upper die holder, the bottom of the upper die holder is connected with a compression column, the top of the machine tool is connected with a workbench, the top of the workbench is connected with a lower die holder, and the lower die holder is positioned; the invention has reasonable structural design and simple operation, can continuously punch a workpiece, the press block descends along the buffer cavity to extrude the buffer solution, the concave part on the inner tube is slightly deformed by being extruded outwards, and simultaneously the convex part of the reinforcing hoop is deformed by being pressed outwards by the inner tube to generate inward tightening force which can offset partial liquid pressure, can achieve good buffer effect, avoids damaging punching equipment and a die and is beneficial to prolonging the service life of the device.

Description

Stamping device with buffer structure

Technical Field

The invention relates to the technical field of stamping devices, in particular to a stamping device with a buffer structure.

Background

The stamping die is a special process equipment for processing materials into parts in cold stamping processing, and is called as a cold stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

In the processing production of automobile parts, the punching of rolling parts is often involved, the hydraulic press is suddenly unloaded and unloaded at the moment of rolling part breakage in the punching process, so that the load of a workpiece suddenly disappears, the liquid compression energy in an oil cylinder and the elastic deformation energy of a machine body can be suddenly released, the workpiece is suddenly out of control at the moment of breakage, a punch is suddenly impacted at a great speed, great impact is generated on a buffer cylinder, and the punching machine can generate great strong bounce, impact and vibration and great noise, and damage is caused to the punching machine and a die, so that the precision and the service life of the punching machine are seriously influenced.

Disclosure of Invention

The invention aims to provide a stamping device with a buffer structure so as to overcome the technical problems in the prior art.

In order to achieve the technical purpose and achieve the technical effect, the invention provides the following technical scheme:

the utility model provides a stamping device with buffer structure, includes the lathe, the left side of lathe is connected with the support frame, the left side of support frame is connected with the electric cabinet, the right side wall top of support frame is connected with the fixing base, the bottom of fixing base is connected with the cylinder, the bottom of cylinder is connected with the upper die base, the bottom of upper die base is connected with the compression leg, the top of lathe is connected with the workstation, the top of workstation is connected with the die holder, the die holder is located the upper die base under.

Preferably, in the punching device with the buffering structure, a longitudinal through groove is formed in the left side of the upper portion of the lower die holder, a punching channel is formed in the right side of the upper portion of the lower die holder, the punching channel is located under the compression leg, a guide groove is formed in the lower portion of the inner cavity of the lower die holder, the guide groove is communicated with the punching channel, a sliding groove is formed in the bottom of the inner cavity of the guide groove, a horizontal sliding rod is connected in the sliding groove, a sliding block is movably sleeved outside the horizontal sliding rod, a damping spring is connected between the sliding block and the inner wall of the end portion of the sliding groove, a moving seat is connected to the top of the sliding block, a cutter groove is formed in the left side of the top of the guide groove, the cutter groove penetrates through the longitudinal through groove.

Preferably, among a stamping device with buffer structure, the cushion chamber has been seted up in the removal seat, the top intercommunication in cushion chamber is fluted, the recess upper end is run through and is removed the seat, the cushion chamber intracavity chamber inwards is equipped with the buffer layer in proper order, strengthens hoop, fills layer and inner tube, the left and right sides symmetry of inner tube is equipped with the depressed part, it is equipped with the bellying that corresponds with the depressed part position to strengthen to tie, it fills between depressed part and bellying to fill the layer, the inside that fills the layer is equipped with the compression chamber, the sealed sliding connection in inner chamber upper portion in cushion chamber has the briquetting, it has the buffer solution to fill between briquetting, inner tube and the cushion chamber inner wall.

Preferably, among a stamping device with buffer structure, the buffer layer includes multiunit bolster and buffering bag, multiunit the bolster is arranged along buffering intracavity inner wall circumference, the buffering bag is located between two sets of adjacent bolsters, the bolster comprises the flat portion in middle section and the book portion of both sides, the flat portion one end is kept away from to the book portion is equipped with the arc portion, the arc portion is connected with the buffering bag.

Preferably, in the punching device with the buffer structure, an inclined end head is connected to the bottom of the compression leg, a guide slope is arranged at the right end of the groove, and the guide slope and the inclined end head have the same inclination angle.

Preferably, in a stamping device with buffer structure, the tip diameter of inner tube is greater than the middle part diameter, the filling layer is formed through the pouring of flexible glue material, the compression chamber is formed through pre-buried film gasbag.

Preferably, in the punching device with the buffer structure, the left side and the right side of the bottom of the upper die holder are connected with guide sleeves, the left side and the right side of the top of the lower die holder are connected with guide pillars, and the guide pillars are located right below the guide sleeves.

Preferably, in the stamping device with the buffer structure, the electric cabinet is connected with a foot switch through a lead.

Compared with the prior art, the invention has the beneficial effects that:

1. the automatic punching device is reasonable in structural design, the lower die holder is fixed at the top of the workbench, the upper die holder is fixed at the output end of the air cylinder, the upper die holder is positioned right above the lower die holder, the air cylinder drives the upper die holder to reciprocate, the press column can reciprocate along a punching channel, the guide pillar is matched with the guide sleeve, the device can be prevented from shifting due to vibration during punching, a rolling piece penetrates through the longitudinal through groove from front to back, and the pedal switch is used for controlling the on-off of a circuit in the electric cabinet, so that the air cylinder is controlled to lift, the operation is simple;

2. according to the invention, after the compression leg is pressed down along the stamping channel, the inclined end head is matched with the guide slope of the extrusion groove, so that the movable seat can move rightwards after being pressed, the side cutter moves synchronously with the movable seat, a rolling piece in the cutter groove can be cut off quickly, the cut is neat and smooth, the sliding block slides along the horizontal sliding rod when the movable seat moves along the guide groove, and the damping effect can be achieved by using the damping spring;

3. according to the invention, the inclined end head enters the buffer cavity and then presses the pressing block downwards, the pressing block descends along the buffer cavity to extrude buffer solution, so that the pressure in the inner pipe is increased, the concave part on the inner pipe is slightly extruded outwards, and meanwhile, the convex part of the reinforcing hoop is deformed due to the outward pressing of the inner pipe, so that an inward tightening force is generated, the tightening force can offset part of liquid pressure, and the outward deformation of the inner pipe and the inward deformation of the convex part simultaneously generate extrusion force on a perfusion layer to extrude the compression cavity and offset the pressure, so that the inner pipe is prevented from directly resisting the liquid pressure in the pipe, the bearing capacity of the inner pipe on hydraulic pressure is greatly improved, a good buffering effect can be achieved, damage to punching equipment and a die is avoided, and the service life of the device is prolonged;

4. according to the invention, the buffer piece is arranged in the buffer cavity, and the buffer piece is extruded outwards when the inner tube is expanded and deformed outwards, so that the buffer piece is expanded and deformed towards two sides, the deformation of the folded part is further buffered, and the buffer bag is extruded and buffered through the arc parts at two sides, so that a certain space is provided for the expansion of the inner tube, and the probability of the burst of the inner tube is greatly reduced.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.

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

FIG. 2 is a top view of the lower base of the present invention;

FIG. 3 is a schematic view of the internal structure of the lower die holder according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic cross-sectional view of a buffer chamber according to the present invention;

fig. 6 is a schematic structural view of the buffer member of the present invention.

In the figure: 1. a machine tool; 2. a support frame; 3. an electric cabinet; 4. a fixed seat; 5. a cylinder; 6. an upper die holder; 7. pressing the column; 8. a work table; 9. a lower die holder; 10. a longitudinal through groove; 11. stamping a channel; 12. a guide groove; 13. a chute; 14. a horizontal sliding bar; 15. a slider; 16. a damping spring; 17. a movable seat; 18. a cutter slot; 19. a side cutter; 20. a buffer chamber; 21. a groove; 22. briquetting; 23. a buffer layer; 24. a reinforcing hoop; 25. a perfusion layer; 26. an inner tube; 27. a recessed portion; 28. a boss portion; 29. a compression chamber; 301. a foot switch; 601. a guide sleeve; 701. an oblique end; 901. a guide post; 211. a guide ramp; 231. a buffer member; 232. a buffer bag.

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.

Referring to fig. 1-6, the present embodiment is a stamping device with a buffer structure, including a machine tool 1, a support frame 2 is connected to a left side of the machine tool 1, an electric cabinet 3 is connected to a left side of the support frame 2, a fixing seat 4 is connected to a top of a right side wall of the support frame 2, a cylinder 5 is connected to a bottom of the fixing seat 4, an upper die holder 6 is connected to a bottom of the cylinder 5, a compression column 7 is connected to a bottom of the upper die holder 6, a workbench 8 is connected to a top of the machine tool 1, a lower die holder 9 is connected to a top of the workbench 8, and the lower die holder 9 is located.

Vertical logical groove 10 has been seted up in the upper portion left side of die holder 9, punching press passageway 11 has been seted up on the upper portion right side of die holder 9, punching press passageway 11 is located under compression leg 7, guide way 12 has been seted up to the inner chamber lower part of die holder 9, guide way 12 intercommunication punching press passageway 11, spout 13 has been seted up to the inner chamber bottom of guide way 12, spout 13 in-connection has horizontal slide bar 14, horizontal slide bar 14's outside movable sleeve is equipped with slider 15, be connected with damping spring 16 between slider 15 and the 13 tip inner walls of spout, slider 15's top is connected with removes seat 17, cutter groove 18 has been seted up on the top left side of guide way 12, cutter groove 18 runs through vertical logical groove 10, the top left side that removes seat 17 is connected with side cutter 19, side cutter 19 stretches into.

Remove and to have seted up cushion chamber 20 in the seat 17, the top intercommunication of cushion chamber 20 is fluted 21, the removal seat 17 is run through to recess 21 upper end, the inside buffer layer 23 that inwards is equipped with in proper order in cushion chamber 20, strengthen hoop 24, fill layer 25 and inner tube 26, the left and right sides symmetry of inner tube 26 is equipped with depressed part 27, it is equipped with the bellying 28 that corresponds with depressed part 27 position on the hoop 24 to strengthen, fill layer 25 and fill between depressed part 27 and bellying 28, the inside of filling layer 25 is equipped with compression chamber 29, the sealed sliding connection in inner chamber upper portion of cushion chamber 20 has briquetting 22, it has buffer solution to fill between inner tube 26 and the cushion chamber 20 inner wall.

Buffer layer 23 includes multiunit bolster 231 and buffering bag 232, and multiunit bolster 231 is arranged along 20 inner walls circumference in buffering chamber, and buffering bag 232 is located between adjacent two sets of bolster 231, and bolster 231 comprises the flat portion in middle section and the book portion of both sides, and the flat portion one end is kept away from to the book portion is equipped with the arc portion, and the arc portion is connected with buffering bag 232.

The bottom of compression leg 7 is connected with oblique end 701, and the right-hand member of recess 21 is equipped with direction slope 211, and the slope angle that direction slope 211 is the same with oblique end 701 is convenient for the butt to promote to remove seat 17 and remove.

The diameter of the end part of the inner pipe 26 is larger than that of the middle part, the perfusion layer 25 is formed by perfusion of soft rubber materials, and the compression cavity 29 is formed by pre-embedding a thin film air bag.

The left side and the right side of the bottom of the upper die holder 6 are connected with guide sleeves 601, the left side and the right side of the top of the lower die holder 9 are connected with guide pillars 901, and the guide pillars 901 are located under the guide sleeves 601, so that the limiting and guiding effects can be achieved, and the device is prevented from shifting.

The electric cabinet 3 is connected with a foot switch 301 through a lead, so that the operation is convenient, and the continuous punching of workpieces is facilitated.

The specific implementation manner of this embodiment is:

when the device is used, a power supply is externally connected, the lower die holder 9 is fixed at the top of the workbench 8, the upper die holder 6 is fixed at the output end of the air cylinder 5, the upper die holder 6 is positioned right above the lower die holder 9, the upper die holder 6 is driven to reciprocate through the air cylinder 5, the press column 7 can reciprocate along the stamping channel 11, the guide pillar 901 is matched with the guide sleeve 601, the phenomenon that the device shifts due to vibration during stamping can be avoided, a rolling piece penetrates through the longitudinal through groove 10 in the front and at the back, and the on-off of a circuit in the electric cabinet 3 is controlled through the foot switch 301, so;

after the compression leg 7 is pressed down along the stamping channel 11, the inclined end 701 is matched with the guide slope 211 of the extrusion groove 21, so that the moving seat 17 can move rightwards after being pressed, the side cutter 19 moves synchronously along with the moving seat 17, a rolling piece in the cutter groove 18 can be cut off quickly, the cut is neat and smooth, when the moving seat 17 moves along the guide groove 12, the sliding block 15 can slide along the horizontal sliding rod 14, and the damping effect can be achieved by using the damping spring 16;

after the inclined end 701 enters the buffer cavity 20, the press block 22 is pressed downwards, the press block 22 descends along the buffer cavity 20 to extrude a buffer solution, so that the pressure in the inner tube 26 is increased, the concave part 27 on the inner tube 26 is slightly extruded and deformed outwards, and meanwhile, the convex part 28 on the reinforcing hoop 24 is deformed due to the outward pressing of the inner tube 26 to generate an inward tightening force which can counteract part of the liquid pressure, and the outward deformation of the inner tube 26 and the inward deformation of the convex part 28 simultaneously generate an extrusion force on the perfusion layer 25 to extrude the compression cavity 29 to counteract the pressure, so that the inner tube 26 is prevented from directly resisting the liquid pressure in the tube, the bearing capacity of the inner tube 26 on hydraulic pressure is greatly improved, a good buffer effect can be achieved, damage to punching equipment and a die is avoided, and the service life of the device is prolonged;

through set up bolster 231 in buffer cavity 20, outside extrusion bolster 231 when the outside expansion deformation that takes place of inner tube 26 for bolster 231 expands to the both sides and warp, and then the deformation of the book portion that makes cushions, and extrudees the buffering bag 232 through the arc portion of both sides and cushions, thereby provides certain space for the expansion of inner tube 26, reduces the probability that inner tube 26 bursts by a wide margin.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A stamping device with a buffer structure comprises a machine tool (1), and is characterized in that: the left side of lathe (1) is connected with support frame (2), the left side of support frame (2) is connected with electric cabinet (3), the right side wall top of support frame (2) is connected with fixing base (4), the bottom of fixing base (4) is connected with cylinder (5), the bottom of cylinder (5) is connected with upper die base (6), the bottom of upper die base (6) is connected with compression leg (7), the top of lathe (1) is connected with workstation (8), the top of workstation (8) is connected with die holder (9), die holder (9) are located under upper die base (6).

2. The punching device with a buffer structure as set forth in claim 1, wherein: a longitudinal through groove (10) is formed in the left side of the upper portion of the lower die holder (9), a stamping channel (11) is formed in the right side of the upper portion of the lower die holder (9), the stamping channel (11) is located under the compression leg (7), a guide groove (12) is formed in the lower portion of an inner cavity of the lower die holder (9), the guide groove (12) is communicated with the stamping channel (11), a sliding groove (13) is formed in the bottom of the inner cavity of the guide groove (12), a horizontal sliding rod (14) is connected in the sliding groove (13), a sliding block (15) is movably sleeved outside the horizontal sliding rod (14), a damping spring (16) is connected between the sliding block (15) and the inner wall of the end portion of the sliding groove (13), a moving seat (17) is connected to the top of the sliding block (15), a cutter groove (18) is formed in the left side of the top of the, the left side of the top of the moving seat (17) is connected with a side cutter (19), and the side cutter (19) extends into the cutter groove (18).

3. A press apparatus having a cushion structure according to claim 2, wherein: a buffer cavity (20) is arranged in the movable seat (17), the top of the buffer cavity (20) is communicated with a groove (21), the upper end of the groove (21) penetrates through the movable seat (17), a buffer layer (23), a reinforcing hoop (24), a perfusion layer (25) and an inner pipe (26) are arranged in the inner cavity of the buffer cavity (20) inwards in sequence, the left side and the right side of the inner pipe (26) are symmetrically provided with concave parts (27), the reinforcing hoop (24) is provided with convex parts (28) corresponding to the concave parts (27), the potting layer (25) is filled between the depressions (27) and the projections (28), a compression cavity (29) is arranged in the pouring layer (25), the upper part of the inner cavity of the buffer cavity (20) is hermetically and slidably connected with a pressing block (22), buffer solution is filled among the pressing block (22), the inner tube (26) and the inner wall of the buffer cavity (20).

4. A press apparatus having a cushion structure according to claim 3, wherein: buffer layer (23) include multiunit bolster (231) and buffering bag (232), multiunit bolster (231) are arranged along buffer chamber (20) inner wall circumference, buffering bag (232) are located between adjacent two sets of bolster (231), bolster (231) comprise the flat portion in middle section and the portion of folding of both sides, the flat portion one end is kept away from to the portion of folding is equipped with the arc portion, the arc portion is connected with buffering bag (232).

5. A press apparatus having a cushion structure according to claim 3, wherein: the bottom of compression leg (7) is connected with oblique end (701), the right-hand member of recess (21) is equipped with direction slope (211), the inclination of direction slope (211) and oblique end (701) is the same.

6. A press apparatus having a cushion structure according to claim 3, wherein: the diameter of the end part of the inner pipe (26) is larger than that of the middle part, the perfusion layer (25) is formed by perfusion of soft rubber materials, and the compression cavity (29) is formed by pre-buried thin film airbags.

7. The punching device with a buffer structure as set forth in claim 1, wherein: the left side and the right side of the bottom of the upper die holder (6) are connected with guide sleeves (601), the left side and the right side of the top of the lower die holder (9) are connected with guide columns (901), and the guide columns (901) are located under the guide sleeves (601).

8. The punching device with a buffer structure as set forth in claim 1, wherein: the electric cabinet (3) is connected with a foot switch (301) through a wire.