CN212419256U - Metal product processing stamping platform - Google Patents

Abstract

The utility model discloses a metal product processing stamping platform, which comprises an upper stamping head and a lower seat, wherein the upper stamping head is positioned above the lower seat, the lower seat comprises an outer barrel, a buffer chamber is arranged in the middle of the inner part of the outer barrel, compensation chambers are arranged on both sides of the buffer chamber, an oil duct is communicated between the compensation chambers and the lower end of the buffer chamber, a metal cylinder is inserted into the buffer chamber from top to bottom, oil liquid is contained in the inner lower part of the buffer chamber, and a spring buffer device is arranged below the inner part of the buffer chamber, the utility model discloses a buffer member is formed by matching oil liquid and a spring, when stamping, the oil liquid can enter the inner part of the compensation chamber to achieve the buffer effect and ensure the buffer effect, the utility model discloses a hydraulic cylinder and a piston are arranged, the hydraulic cylinder can push and pull the piston so as to make the oil liquid in the compensation chamber flow back to the inner part of the buffer chamber again, the situation that the elasticity of the spring is weakened due to the fact that the spring bears large force is avoided.

Description

Metal product processing stamping platform

Technical Field

The utility model relates to a metal processing equipment technical field specifically is a metal product processing stamping platform.

Background

Stamping is a method for generating motion accumulation kinetic energy by utilizing the falling of a transmission mechanism such as air pressure or hydraulic pressure and the like to enable a metal workpiece to obtain plastic deformation in a short time;

in the working process of a metal workpiece, the stamping force is vertically downward, and a metal product to be processed can cause larger impact force on a working table surface in the moment of stress, so that the processing precision is influenced, and frequent maintenance is required. In order to solve the problems, a person skilled in the art can disperse impact force by additionally arranging a buffer device below a working table top, most of the existing additionally arranged buffer devices adopt a mode of combining a connecting rod and a spring assembly for use, but the mode mainly depends on a mechanical structure to realize the purpose of buffering, the possibility that the whole table top is damaged by pressure still exists under the condition of very large impact force, and high-strength impact on a metal product to be processed at the moment of stress cannot be effectively dispersed;

for this purpose, patent No. 201720220164.4 proposes a metal product working stamping station, which, by providing a closed base, allows air to act as a buffer, but the buffering effect is still insufficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal product processing stamping table to solve among the prior art air as the bolster, its buffering effect problem still not enough.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal product processing stamping station, includes upper punch head and lower seat, upper punch head is located the top of lower seat, the lower seat includes the urceolus, be provided with the cushion chamber in the middle of the inside of urceolus, the both sides of cushion chamber all are provided with the compensation chamber, the intercommunication has the oil duct between the lower extreme of compensation chamber and cushion chamber, metal cylinder has been inserted from last to the bottom in the inside of cushion chamber, and the inside below of cushion chamber holds and has had fluid, and the spring buffer is installed to the inside below of cushion chamber.

Preferably, a die holder is fixed on the upper surface of the metal cylinder, sliding blocks are fixed on two sides of the metal cylinder, a sliding groove is formed in the inner wall of the outer cylinder and corresponds to the sliding blocks, and the sliding blocks are inserted into the sliding groove.

Preferably, a hydraulic cylinder is installed at a position corresponding to the buffer cavity below the inner part of the outer cylinder, and a piston rod of the hydraulic cylinder is inserted into the compensation cavity.

Preferably, a piston is installed at the upper end of a piston rod of the hydraulic cylinder, and air holes are formed in the upper surface of the compensation cavity.

Preferably, the spring buffer device comprises a guide post and a sleeve, the lower end of the sleeve is fixed on the inner lower surface of the buffer cavity, and the upper end of the guide post is fixed with the lower surface of the metal cylinder.

Preferably, a spring is installed inside the sleeve, and the lower end of the guide post is fixed with the upper end of the spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model uses the matching of the oil and the spring as the buffer part, when punching, the oil can enter the compensation cavity to achieve the buffer effect and ensure the buffer effect;

2. the utility model discloses pneumatic cylinder and piston, but pneumatic cylinder push-and-pull piston to make the fluid that will compensate the intracavity portion flow back to the inside of cushion chamber again, avoid the spring to bear the condition that great power and spring elasticity that leads to weakens.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial view of FIG. 1;

fig. 3 is a schematic structural view of the spring buffering device of the present invention.

In the figure: 1. an upper punch head; 2. a lower seat; 21. an outer cylinder; 211. a chute; 22. a compensation chamber; 221. air holes are formed; 23. a buffer chamber; 3. a hydraulic cylinder; 4. a piston; 5. a metal cylinder; 6. a slider; 7. a die holder; 8. oil liquid; 9. a spring buffer device; 91. a guide post; 92. a sleeve; 93. a spring; 10. an oil passage.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a stamping table for processing metal products includes an upper stamping head 1 and a lower seat 2, the upper stamping head 1 is located above the lower seat 2, and the upper stamping head 1 should be installed with a driving device to drive the upper stamping head to move up and down to realize stamping;

referring to fig. 1 and 2, the lower seat 2 includes an outer cylinder 21, a buffer cavity 23 is arranged in the middle of the inner portion of the outer cylinder 21, a metal cylinder 5 is inserted into the buffer cavity 23 from top to bottom, a die holder 7 is fixed on the upper surface of the metal cylinder 5, oil 8 is contained in the lower portion of the inner portion of the buffer cavity 23, compensation cavities 22 are arranged on both sides of the buffer cavity 23, an oil passage 10 is communicated between the compensation cavity 22 and the lower end of the buffer cavity 23, an automatic valve should be installed on the oil passage 10, when the upper punch head 1 punches downwards, the die holder 7 moves downwards, the metal cylinder 5 moves downwards at the moment, the oil 8 can be extruded downwards when the metal cylinder 5 moves downwards, the oil 8 can enter the compensation cavity 22 through the oil passage 10 at the moment, the metal cylinder 5 can be buffered in the flowing process of the oil 8, and the die holder 7 can be indirectly damped;

with continued reference to fig. 1 and 2, the sliding blocks 6 are fixed on two sides of the metal cylinder 5, the inner wall of the outer cylinder 21 is provided with a sliding groove 211 at a position corresponding to the sliding blocks 6, the sliding blocks 6 are inserted into the sliding groove 211, and when the metal cylinder 5 moves up and down, the sliding blocks 6 move up and down in the sliding groove 211 so as to guide the up and down movement of the metal cylinder 5;

referring to fig. 2 and 3, a spring buffer device 9 is installed below the interior of the buffer cavity 23, the spring buffer device 9 includes a guide post 91 and a sleeve 92, a lower end of the sleeve 92 is fixed to the inner lower surface of the buffer cavity 23, an upper end of the guide post 91 is fixed to the lower surface of the metal cylinder 5, a spring 93 is installed inside the sleeve 92, a lower end of the guide post 91 is fixed to an upper end of the spring 93, the guide post 91 can be pressed when the metal cylinder 5 moves downward, the spring 93 can be pressed by the guide post 91 at this time, the spring 93 is in a contracted state at this time, the device can assist in buffering the metal cylinder 5, after the punching is finished, the spring 93 can restore to an original state, and the guide post 91 can lift up the metal cylinder 5 at this time;

as shown in fig. 2, the hydraulic cylinder 3 is installed at a position corresponding to the buffer cavity 23 below the inside of the outer cylinder 21, the piston rod of the hydraulic cylinder 3 is inserted into the compensation cavity 22, the piston 4 is installed at the upper end of the piston rod of the hydraulic cylinder 3, the air hole 221 is formed in the upper surface of the compensation cavity 22, the automatic valve of the oil passage 10 can be opened by the oil liquid 8 under the condition of pressure, the oil liquid 8 enters the compensation cavity 22, after the punching is finished, the hydraulic cylinder 3 can be shortened, the piston 4 moves downward at the moment to extrude the oil liquid 8 inside the compensation cavity 22, and the oil liquid 8 is enabled to return to the inside of the buffer cavity 23 from the oil passage 10 again.

The utility model discloses a theory of operation and use flow: when the device is used, the upper punch head 1 is driven to move downwards, the die holder 7 moves downwards at the moment, the metal cylinder 5 moves downwards, the metal cylinder 5 can extrude oil liquid 8 downwards when moving downwards, the oil liquid 8 can enter the compensation cavity 22 through the oil duct 10 at the moment, the metal cylinder 5 can be buffered in the flowing process of the oil liquid 8, the die holder 7 can be indirectly damped, meanwhile, the guide pillar 91 can extrude the spring 93, the spring 93 is in a contraction state at the moment, and the device can assist in buffering the metal cylinder 5;

after the punching press is finished, the spring 93 can restore the original state, the guide post 91 can jack up the metal cylinder 5 upwards, the hydraulic cylinder 3 is equipped for avoiding the elasticity of the spring 93 from lowering in the punching press once and again, the hydraulic cylinder 3 can be shortened, and the piston 4 moves downwards at the moment to extrude the oil liquid 8 in the compensation cavity 22, so that the oil liquid 8 is returned to the inside of the buffer cavity 23 from the oil duct 10 again.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a metal product processing stamping station, includes upper punch head (1) and lower seat (2), its characterized in that: the upper punch head (1) is located the top of lower seat (2), lower seat (2) are including urceolus (21), be provided with cushion chamber (23) in the middle of the inside of urceolus (21), the both sides of cushion chamber (23) all are provided with compensation chamber (22), the intercommunication has oil duct (10) between the lower extreme of compensation chamber (22) and cushion chamber (23), metal cylinder (5) have been inserted from the top down to the inside of cushion chamber (23), and the inside below holding of cushion chamber (23) has fluid (8), and spring buffer (9) are installed to the inside below of cushion chamber (23).

2. A metal product working stamping station as in claim 1 wherein: the upper surface of metal cylinder (5) is fixed with die holder (7), and the both sides of metal cylinder (5) are fixed with slider (6), spout (211) have been seted up with slider (6) corresponding position on the inner wall of urceolus (21), and slider (6) insert the inside of spout (211).

3. A metal product working stamping station as in claim 1 wherein: and a hydraulic cylinder (3) is arranged at a position corresponding to the buffer cavity (23) below the inner part of the outer cylinder (21), and a piston rod of the hydraulic cylinder (3) is inserted into the compensation cavity (22).

4. A metal product working stamping station as claimed in claim 3, wherein: piston (4) are installed to the piston rod upper end of pneumatic cylinder (3), bleeder vent (221) have been seted up to the upper surface in compensation chamber (22).

5. A metal product working stamping station as in claim 1 wherein: the spring buffer device (9) comprises a guide post (91) and a sleeve (92), the lower end of the sleeve (92) is fixed on the lower surface of the interior of the buffer cavity (23), and the upper end of the guide post (91) is fixed with the lower surface of the metal cylinder (5).

6. A metal product working stamping station as claimed in claim 5, wherein: a spring (93) is arranged in the sleeve (92), and the lower end of the guide post (91) is fixed with the upper end of the spring (93).

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