Extension device for metal pipe fitting stamping

Abstract

The utility model discloses an extension device for stamping a metal pipe fitting, which belongs to the technical field of metal pipe fitting processing, and is characterized by comprising a base, a stamping mechanism is arranged at the top of the base, an extension die is bolted at the top of the base, a positioning and clamping component is arranged on the rear side of the top of the base, and a positioning and clamping component is arranged on the rear side of the top of the base. The stamping mechanism comprises a supporting frame, the two sides of the bottom of the supporting frame are fixedly connected with the two sides of the top of the base correspondingly, and a hydraulic cylinder is fixedly connected to the top of the supporting frame. The problems that in the prior art, due to the fact that a locating and clamping structure for pipe fitting machining is lacked, locating of a pipe fitting is not accurate enough in the stamping process, displacement is prone to being generated, and the size deviation of the stamped pipe fitting is large are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal pipe fitting processing technical field, especially a kind of for metal pipe fitting stamping extension device. BACKGROUND

[0002] Metal pipe fitting refers to the pipe-shaped parts made of various metal materials, used for connecting, conveying fluid (liquid or gas) or changing the direction of fluid, etc., in the processing of metal pipe fitting, stamping extension is a common processing technology, for processing metal plate into various shaped pipe fittings.

[0003] The existing metal pipe fitting is not convenient to take after stamping processing, which causes the problem of pipe fitting being stuck in the stamping equipment, affecting the efficiency of metal pipe fitting stamping processing;

[0004] The existing patent (publication number: CN216065038U) discloses a metal pipe fitting stamping extension device, relating to the technical field of metal pipe fitting processing, to solve the problem of inconvenient taking of pipe fitting after stamping processing of existing metal pipe fitting, causing the pipe fitting to be stuck in the stamping equipment, the lower end of the stamping machine is provided with a body main seat, the upper surface of the body main seat is provided with a support frame table, the upper end of the support frame table is provided with a stamping carrier plate, the upper end of the stamping carrier plate is provided with a lower die seat, the output end of the stamping machine is provided with an upper die seat, the upper end of the lower die seat is provided with a bearing die table, the inside of the bearing die table is provided with an extension channel, the inner wall of the extension channel is provided with a mounting clamping groove, the inside of the mounting clamping groove is provided with a sealing clamping plate, the inside of the stamping carrier plate is provided with a bearing inner groove, the inner wall of one end of the bearing inner groove is provided with an electromagnet, and the inside of the bearing inner groove is provided with a pulling sealing plate.

[0005] In view of the above problems, the existing patent provides a solution, the existing stamping extension device usually lacks a buffer structure, the impact force during stamping is large, if it cannot be effectively buffered and absorbed, it will cause great damage to the equipment, reduce the service life of the equipment, and the existing lacks positioning and clamping structure during pipe fitting processing, the positioning of pipe fitting during stamping is not accurate enough, and displacement is easy to occur, so as to easily cause large size deviation of the pipe fitting after stamping.

[0006] Therefore, a kind of extension device for metal pipe fitting stamping is proposed. UTILITY MODEL CONTENTS

[0007] The utility model discloses a purpose lies in, provide a kind of for metal pipe stamping, can solve the stamping extension device of current generally lack buffer structure, impact force is larger in stamping process, if cannot effectively buffer and absorb, it will cause greater damage to equipment, reduce the service life of equipment, and current lack of positioning clamping structure when pipe fitting processing, the positioning of pipe fitting in stamping process is not accurate enough, and displacement is easily generated, to cause the problem of large size deviation of pipe fitting after stamping.

[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of for metal pipe stamping, including base, the top of the base is provided with stamping mechanism, the top of the base is bolted with extension die, the rear side of the top of the base is provided with positioning clamping assembly;

[0009] The stamping mechanism includes support frame, the two sides of the bottom of the support frame are fixedly connected with the two sides of the top of the base, the top of the support frame is fixedly connected with hydraulic cylinder, the output rod of the hydraulic cylinder penetrates the support frame, the output rod of the hydraulic cylinder is slidably connected with the inner wall of the support frame, the bottom of the surface of the output rod of the hydraulic cylinder is sleeved with buffer assembly, and the bottom of the buffer assembly is fixedly connected with stamping head.

[0010] Preferably, the positioning clamping assembly includes a T-shaped plate, the bottom of the T-shaped plate is fixedly connected with the rear side of the top of the base, the top of the rear side of the T-shaped plate is fixedly connected with an electric telescopic rod, the output rod of the electric telescopic rod penetrates the T-shaped plate and is fixedly connected with a positioning plate, and the output rod of the electric telescopic rod is slidably connected with the inner wall of the T-shaped plate.

[0011] Preferably, the two sides of the positioning plate are fixedly connected with support plates, the front side of the side, away from the positioning plate, of each support plate is fixedly connected with a clamping cylinder, the output rod of the clamping cylinder penetrates the support plate and is fixedly connected with a clamping plate, the output rod of the clamping cylinder is slidably connected with the inner wall of the support plate, and the side, away from the support plate, of the clamping plate is fixedly connected with an elastic pad.

[0012] Preferably, the two sides of the rear side of the positioning plate are fixedly connected with first limiting rods, the rear side of each first limiting rod penetrates the T-shaped plate, the surface of each first limiting rod is slidably connected with the inner wall of the T-shaped plate, the rear side of the side, close to the support plate, of the clamping plate is fixedly connected with a second limiting rod, the side, away from the clamping plate, of the second limiting rod penetrates the support plate, and the surface of the second limiting rod is slidably connected with the inner wall of the support plate.

[0013] Preferably, the buffer assembly includes a fixing ring, the fixing ring is sleeved on the bottom of the surface of the output rod of the hydraulic cylinder, the inner wall of the fixing ring is fixedly connected with the surface of the output rod of the hydraulic cylinder, the bottom of the fixing ring is provided with a circular plate, and the top of the stamping head is fixedly connected with the bottom of the circular plate.

[0014] Preferably, the top of the circular plate is fixedly connected with a third limiting rod around, the top of the third limiting rod penetrates through a fixed ring, the surface of the third limiting rod is slidably connected with the inner wall of the fixed ring, the surface of the third limiting rod is slidably connected with a buffer spring, and the top and bottom of the buffer spring are fixedly connected with the fixed ring and the circular plate respectively.

[0015] Preferably, the bottom of the base is fixedly connected with a shock pad, and the bottom of the shock pad is provided with anti-skid lines.

[0016] Preferably, the front side and the rear side of the two sides of the base are fixedly connected with mounting blocks, and the top of the mounting block is provided with a mounting hole.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1、 through the setting of the stamping mechanism, the stamping mechanism can be used in cooperation with the stretch-drawing die to perform stamping and stretch-drawing work on the metal plate, so that the metal plate is formed into a pipe fitting, and the stamping mechanism can effectively buffer and absorb impact force in the stamping process, reduces damage to the equipment, and prolongs the service life of the equipment.

[0019] 2、 through the setting of the positioning and clamping assembly, the metal plate used for stamping and stretch-drawing the metal pipe fitting can be precisely positioned and clamped, the stability of the metal plate in the stamping and stretch-drawing process is effectively improved, the size deviation is reduced, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure drawing of the stretch-drawing device for metal pipe fitting stamping of the utility model;

[0021] Figure 2 It is a structure drawing of the stretch-drawing device for metal pipe fitting stamping of the utility model in another view; Figure 1 It is a structure drawing of the stretch-drawing device for metal pipe fitting stamping of the utility model in another view;

[0022] Figure 3 It is a front view structure drawing of the stamping mechanism of the utility model;

[0023] Figure 4 It is a structure drawing of the buffer assembly of the utility model;

[0024] Figure 5 It is a structure drawing of the positioning and clamping assembly of the utility model.

[0025] In the figure, 1, base; 2, punching mechanism; 201, support frame; 202, hydraulic cylinder; 203, buffer assembly; 203a, fixed ring; 203b, circular plate; 203c, third limiting rod; 203d, buffer spring; 204, punching head; 3, drawing die; 4, positioning and clamping assembly; 401, T-shaped plate; 402, electric telescopic rod; 403, positioning plate; 404, support plate; 405, clamping cylinder; 406, clamping plate; 407, elastic pad; 408, first limiting rod; 409, second limiting rod; 5, shock pad; 6, mounting block; 7, mounting hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical schemes:

[0028] A drawing device for metal pipe stamping, including base 1, the top of base 1 is provided with punching mechanism 2, the top of base 1 is bolted with drawing die 3, the rear side of the top of base 1 is provided with positioning and clamping assembly 4;

[0029] Punching mechanism 2 includes support frame 201, the bottom of support frame 201 is fixedly connected with the two sides of the top of base 1, the top of support frame 201 is fixedly connected with hydraulic cylinder 202, the output rod of hydraulic cylinder 202 penetrates support frame 201, the output rod of hydraulic cylinder 202 is slidably connected with the inner wall of support frame 201, the bottom of the surface of the output rod of hydraulic cylinder 202 is sleeved with buffer assembly 203, and the bottom of buffer assembly 203 is fixedly connected with punching head 204.

[0030] In the embodiment: by setting base 1, punching mechanism 2, drawing die 3 and positioning and clamping assembly 4, when using, through the setting of punching mechanism 2, can be used with drawing die 3, and the metal plate is punched and drawn, and the punching mechanism 2 can effectively buffer and absorb the impact force in the punching process, reduce the damage to the equipment, prolong the service life of the equipment, through the setting of positioning and clamping assembly 4, the metal plate for punching and drawing metal pipe can be accurately positioned and clamped, the stability of the metal plate in the punching and drawing process is effectively improved, the size deviation is reduced, and the product quality is improved.

[0031] Specifically, as Figure 1 ,Figure 2 , Figure 5 As shown, the positioning and clamping assembly 4 includes a T-shaped plate 401. The bottom of the T-shaped plate 401 is fixedly connected to the rear side of the top of the base 1. An electric telescopic rod 402 is fixedly connected to the top of the rear side of the T-shaped plate 401. The output rod of the electric telescopic rod 402 passes through the T-shaped plate 401 and is fixedly connected to a positioning plate 403. The output rod of the electric telescopic rod 402 is slidably connected to the inner wall of the T-shaped plate 401.

[0032] Specifically, such as Figure 1 , Figure 5 As shown, support plates 404 are fixedly connected to both sides of the positioning plate 403. A clamping cylinder 405 is fixedly connected to the front side of the support plate 404 away from the positioning plate 403. The output rod of the clamping cylinder 405 passes through the support plate 404 and is fixedly connected to a clamping plate 406. The output rod of the clamping cylinder 405 is slidably connected to the inner wall of the support plate 404. An elastic pad 407 is fixedly connected to the side of the clamping plate 406 away from the support plate 404.

[0033] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, both sides of the rear side of the positioning plate 403 are fixedly connected to a first limiting rod 408. The rear side of the first limiting rod 408 passes through the T-shaped plate 401, and the surface of the first limiting rod 408 is slidably connected to the inner wall of the T-shaped plate 401. The rear side of the clamping plate 406 near the support plate 404 is fixedly connected to a second limiting rod 409. The side of the second limiting rod 409 away from the clamping plate 406 passes through the support plate 404, and the surface of the second limiting rod 409 is slidably connected to the inner wall of the support plate 404.

[0034] In this embodiment: by setting up a T-shaped plate 401, an electric telescopic rod 402, a positioning plate 403, a support plate 404, a clamping cylinder 405, a clamping plate 406, an elastic pad 407, a first limiting rod 408, and a second limiting rod 409, in use, the T-shaped plate 401 can support and fix the electric telescopic rod 402. Then, by activating the electric telescopic rod 402, the output rod of the electric telescopic rod 402 drives the positioning plate 403 to move, adjusting the positioning plate 403 to a suitable position according to the size of the metal sheet, and then using it for stamping and drawing. The metal sheet of the metal pipe fitting is placed on the drawing die 3 and attached to the positioning plate 403, so that the positioning plate 403 positions the front and rear of the metal sheet. Then, the two clamping cylinders 405 are activated, so that the output rod of the clamping cylinder 405 drives the clamping plate 406 to move. The two clamping plates 406 clamp the metal sheet from both sides through the elastic pad 407. This allows for precise positioning and clamping of the metal sheet used for stamping and drawing metal pipe fittings, effectively improving the stability of the metal sheet during the stamping and drawing process, reducing dimensional deviations, and improving product quality.

[0035] Specifically, as shown in Figure 2 , Figure 3 , Figure 4 , the buffer assembly 203 comprises a fixed ring 203a, the fixed ring 203a is sleeved on the bottom of the surface of the output rod of the hydraulic cylinder 202, the inner wall of the fixed ring 203a is fixedly connected with the surface of the output rod of the hydraulic cylinder 202, and the bottom of the fixed ring 203a is fixedly connected with the top of the stamping head 204.

[0036] Specifically, as shown in Figure 2 , Figure 3 , Figure 4 , the top of the circular plate 203b is fixedly connected with the third limiting rod 203c around, the top of the third limiting rod 203c penetrates through the fixed ring 203a, the surface of the third limiting rod 203c is slidingly connected with the inner wall of the fixed ring 203a, and the surface of the third limiting rod 203c is slidingly connected with the buffer spring 203d, and the top and bottom of the buffer spring 203d are fixedly connected with the fixed ring 203a and the circular plate 203b respectively.

[0037] In the embodiment, by setting the fixed ring 203a, the circular plate 203b, the third limiting rod 203c and the buffer spring 203d, when the output rod of the hydraulic cylinder 202 is pressed downward for output, the fixed ring 203a will move downward, the fixed ring 203a will drive the circular plate 203b to move downward through the buffer spring 203d, the circular plate 203b will drive the stamping head 204 to move downward, when the stamping head 204 contacts with the metal plate for stamping the drawn metal pipe, the stamping head 204 will drive the circular plate 203b to extrude the buffer spring 203d, the buffer spring 203d can effectively buffer and absorb the impact force in the stamping process, reducing the damage to the equipment and prolonging the service life of the equipment, and the third limiting rod 203c can prevent the circular plate 203b from shaking.

[0038] Specifically, as shown in Figure 1 , Figure 2 , the bottom of the base 1 is fixedly connected with the shock pad 5, and the bottom of the shock pad 5 is provided with anti-skid lines.

[0039] Specifically, as shown in Figure 1 , Figure 2 , the front side and the rear side of the two sides of the base 1 are fixedly connected with the mounting blocks 6, and the top of the mounting block 6 is provided with the mounting hole 7.

[0040] In the embodiment, the shock pad 5 is arranged to reduce the vibration generated during the operation of the device, and increase the friction when the device is placed on a machining table or other support to prevent movement.

[0041] Working principle: in use, the device is placed or fixed on the machining table, and then the electric telescopic rod 402 is started to drive the output rod of the electric telescopic rod 402 to move the positioning plate 403, and the positioning plate 403 is adjusted to the appropriate position according to the size of the metal plate for stamping and drawing metal pipe fittings, and then the metal plate for stamping and drawing metal pipe fittings is placed on the drawing die 3 and is in contact with the positioning plate 403, so that the positioning plate 403 positions the front and rear positions of the metal plate, and then the two clamping cylinders 405 are started to drive the output rod of the clamping cylinder 405 to move the clamping plate 406, so that the two clamping plates 406 clamp the metal plate from both sides through the elastic pad 407, thereby accurately positioning and clamping the metal plate for stamping and drawing metal pipe fittings, effectively improving the stability of the metal plate during stamping and drawing, reducing the size deviation, and improving the product quality, then the hydraulic cylinder 202 is started to drive the output rod of the hydraulic cylinder 202 to move the fixed ring 203a downward, the fixed ring 203a drives the circular plate 203b downward through the buffer spring 203d, the circular plate 203b drives the stamping head 204 downward, when the stamping head 204 contacts the metal plate for stamping and drawing metal pipe fittings, the stamping head 204 drives the circular plate 203b to extrude the buffer spring 203d, the buffer spring 203d can effectively buffer and absorb the impact force during stamping, reducing the damage to the equipment and prolonging the service life of the equipment, then the stamping head 204 continues to press down, so as to cooperate with the drawing die 3 to stamp and draw the metal plate, and form the metal plate into a pipe fitting.

[0042] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A drawing device for the stamping of metal tubular pieces, comprising a base (1), characterized in that: The top of the base (1) is provided with a punching mechanism (2), the top of the base (1) is bolted with an extension die (3), and the rear side of the top of the base (1) is provided with a positioning and clamping assembly (4); The punching mechanism (2) comprises a support frame (201), the bottoms of the two sides of the support frame (201) are fixedly connected with the two sides of the top of the base (1), the top of the support frame (201) is fixedly connected with a hydraulic cylinder (202), the output rod of the hydraulic cylinder (202) penetrates through the support frame (201), the output rod of the hydraulic cylinder (202) is in sliding connection with the inner wall of the support frame (201), and the bottom of the surface of the output rod of the hydraulic cylinder (202) is sleeved with a buffer assembly (203).

2. A drawing device for the stamping of metal pipes according to claim 1, characterized in that: The positioning and clamping assembly (4) comprises a T-shaped plate (401), the bottom of the T-shaped plate (401) is fixedly connected with the rear side of the top of the base (1), the top of the rear side of the T-shaped plate (401) is fixedly connected with an electric telescopic rod (402), the output rod of the electric telescopic rod (402) penetrates through the T-shaped plate (401) and is fixedly connected with a positioning plate (403), and the output rod of the electric telescopic rod (402) is in sliding connection with the inner wall of the T-shaped plate (401).

3. A drawing apparatus for the punching of metal pipes according to claim 2, characterized in that: The two sides of the positioning plate (403) are fixedly connected with support plates (404), the front side of the side, away from the positioning plate (403), of each support plate (404) is fixedly connected with a clamping cylinder (405), the output rod of the clamping cylinder (405) penetrates through the support plate (404) and is fixedly connected with a clamping plate (406), and the output rod of the clamping cylinder (405) is in sliding connection with the inner wall of the support plate (404).

4. A drawing apparatus for the punching of metal pipes according to claim 3, characterized in that: The two sides of the rear side of the positioning plate (403) are fixedly connected with first limiting rods (408), the rear side of each first limiting rod (408) penetrates through the T-shaped plate (401), the surface of each first limiting rod (408) is in sliding connection with the inner wall of the T-shaped plate (401), the rear side of the side, close to the support plate (404), of each clamping plate (406) is fixedly connected with a second limiting rod (409), the side, away from the clamping plate (406), of each second limiting rod (409) penetrates through the support plate (404), and the surface of each second limiting rod (409) is in sliding connection with the inner wall of the support plate (404).

5. A drawing device for the stamping of metal pipes according to claim 1, characterized in that: The buffer assembly (203) comprises a fixed ring (203a), the fixed ring (203a) is sleeved at the bottom of the surface of the output rod of the hydraulic cylinder (202), the inner wall of the fixed ring (203a) is fixedly connected with the surface of the output rod of the hydraulic cylinder (202), the bottom of the fixed ring (203a) is provided with a circular plate (203b), and the top of the circular plate (203b) is fixedly connected with the punching head (204).

6. A drawing apparatus for the punching of metal pipes according to claim 5, characterized in that: The periphery of the top of the circular plate (203b) is fixedly connected with a third limiting rod (203c), the top of the third limiting rod (203c) penetrates through a fixed ring (203a), the surface of the third limiting rod (203c) is in sliding connection with the inner wall of the fixed ring (203a), the surface of the third limiting rod (203c) is in sliding connection with a buffer spring (203d), and the top and bottom of the buffer spring (203d) are fixedly connected with the fixed ring (203a) and the circular plate (203b) respectively.

7. A drawing apparatus for the stamping of metal pipe fittings according to claim 1, characterized in that: The bottom of the base (1) is fixedly connected with a shock pad (5), and the bottom of the shock pad (5) is provided with anti-skid lines.

8. A drawing apparatus for the stamping of metal pipe fittings according to claim 1, characterized in that: The front side and the rear side of the two sides of the base (1) are fixedly connected with mounting blocks (6), and the top of the mounting block (6) is provided with a mounting hole (7).

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