Forced return device for mechanical work

Abstract

The utility model relates to the technical field of stamping dies, in particular to a forced return device for mechanical work, which comprises a stamping bottom die, a stamping upper die is arranged above the top end of the outer wall of the stamping bottom die, a male die is fixed at the bottom end of the outer wall of the stamping upper die, and a groove for forming is arranged at the top end of the outer wall of the stamping bottom die. A groove is formed in the outer wall of the male die, an oblique cutting device is fixed to one side of the outer wall of the male die, and a return mechanism for forcibly returning the oblique cutting device is arranged on the inner wall of the groove. And when the stamping upper die moves upwards after stamping is completed, the beveled inclined device can be kept in a vertically upward state upwards through the return stroke hook which is fixedly arranged, at the moment, the situation of direction deviation can be avoided when the beveled inclined device returns upwards along with the stamping upper die, and then the beveled inclined device can return to the original point.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a device for forced return of mechanical work. Background Art

[0002] The mold is a special tool for producing sheet metal parts designed and manufactured according to the characteristics and production requirements of different products. The forming process of large automobile cover parts and other parts needs to go through processes such as drawing, trimming, flanging and shaping. Among them, trimming is a stamping process that cuts off the process supplementary parts added around the stamping parts and the process supplementary parts added inside the stamping parts to ensure the stretching forming. It is an important process to ensure the size of automobile cover parts.

[0003] However, during the stamping process of the existing mold, it is often found that the bevel cutter of the mold has not returned to the original point and is still stuck or stuck under the punch edge, which makes it easy for the mold to be damaged during production and the efficiency cannot be guaranteed. Therefore, there are still certain shortcomings.

[0004] In summary, it is necessary to invent a device for forced return of mechanical work. Utility Model Content

[0005] To this end, the utility model provides a device for forced return of mechanical workmanship to solve the problem that during the stamping process of the existing mold, it is often found that the bevel cutter of the mold has not returned to the original point and is still stuck or stuck under the punch edge, which makes it easy for the mold to be damaged during production and the efficiency cannot be guaranteed.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for forced return of mechanical work, comprising a stamping bottom die, a stamping upper die is arranged above the top end of the outer wall of the stamping bottom die, a punch is fixed to the bottom end of the outer wall of the stamping upper die, a groove for forming is opened at the top end of the outer wall of the stamping bottom die, a beveler is fixed to one side of the outer wall of the punch, and a return mechanism for forced return of the beveler is arranged on the inner wall of the groove.

[0007] Preferably, guide rods are fixed at the four corners of the top of the outer wall of the stamping bottom die, and through holes are opened on the upper and lower sides of the outer wall of the stamping upper die at positions corresponding to the guide rods, and the outer wall of the guide rod is slidably connected to the inner wall of the through hole.

[0008] Preferably, a first spring is sleeved on the outer wall of the guide rod and located between the stamping bottom die and the stamping upper die, and the upper and lower ends of the first spring are respectively abutted against the outer wall corners of the stamping bottom die and the stamping upper die on opposite sides.

[0009] Preferably, the return mechanism comprises an avoidance groove, which is provided on the inner wall of the groove and is located below the beveling device, and the bottom end of the outer wall of the beveling device is slidably connected to the inner wall of the avoidance groove.

[0010] Preferably, a receiving groove is provided on the inner wall of the avoidance groove and on one side of the inclined end, and a miniature telescopic rod is fixed on the inner wall of the receiving groove and on the side away from the beveling device.

[0011] Preferably, a guide plate is fixed to the output end of the miniature telescopic rod, and a second spring is fixed to the outer wall of the guide plate and the end away from the bevel cutter, the second spring is arranged on the upper and lower sides of the miniature telescopic rod, and the end of the second spring away from the guide plate is fixedly connected to the side wall of the storage groove.

[0012] Preferably, a return hook is fixed on one side of the guide plate close to the bevel cutter, a slot is provided on the inner wall of the bevel cutter at a position corresponding to the return hook, and the outer wall of the return hook is slidably connected to the inner wall of the slot.

[0013] Preferably, guide sliders are fixed to the side ends of the outer walls of the guide plates, and a plurality of the guide sliders are evenly arranged in a circular array. Guide grooves are provided on the inner walls of the storage grooves at positions corresponding to the guide sliders, and the outer walls of the guide sliders are slidably connected to the inner walls of the guide grooves.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, an avoidance groove is provided in the groove to accommodate the bevel cutter, so that the bevel cutter can be inserted into the avoidance groove during the stamping process. When the stamping upper die moves upward after the stamping is completed, the bevel cutter can be kept in a vertical upward state through a fixed return hook. At this time, the bevel cutter can avoid directional deviation when following the stamping upper die to return upward, and then the bevel cutter can return to the origin to avoid sticking or getting stuck under the punch edge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a part of the structure in the front view direction when the stamping bottom die and the stamping upper die are separated in the utility model;

[0017] Figure 2 It is a schematic diagram of a partial cross-sectional structure in the front view direction after the stamping bottom die and the stamping upper die in the utility model are closed;

[0018] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the guide plate in the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the beveling device in the utility model when viewed from the upward direction.

[0021] In the figure: 100, stamping bottom die; 110, groove; 200, stamping upper die; 210, punch; 300, guide rod; 310, first spring; 400, bevel cutter; 401, slot; 410, avoidance groove; 411, storage groove; 420, guide plate; 421, guide slider; 430, return hook; 440, micro telescopic rod; 450, second spring. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] See attached Figure 1-5 The mechanical workmanship forced return device provided by the utility model comprises a stamping bottom die 100, a stamping upper die 200 is arranged above the top of the outer wall of the stamping bottom die 100, and guide rods 300 are fixed at the four corners of the top of the outer wall of the stamping bottom die 100. Through holes are opened at the upper and lower sides of the outer wall of the stamping upper die 200 at positions corresponding to the guide rods 300. The outer wall of the guide rod 300 is slidably connected with the inner wall of the through hole. The guide rod 300 is provided to guide the up and down movement of the stamping upper die 200. The outer wall of the guide rod 300 and the first spring 310 are sleeved between the stamping bottom die 100 and the stamping upper die 200. The upper and lower ends of the first spring 310 are respectively abutted against the outer wall corners of the stamping bottom die 100 and the stamping upper die 200 on the opposite side.

[0024] A punch 210 is fixed to the bottom end of the outer wall of the stamping upper die 200, and a groove 110 for forming is provided at the top end of the outer wall of the stamping bottom die 100. The punch 210 is inserted into the groove 110 to complete the stamping of the workpiece, and a bevel cutter 400 is fixed to one side of the outer wall of the punch 210. The inner wall of the groove 110 is provided with a return mechanism for forcibly returning the bevel cutter 400. The return mechanism includes an avoidance groove 410. The avoidance groove 410 is provided on the inner wall of the groove 110 and is located below the bevel cutter 400. The avoidance groove 410 is provided to accommodate the bevel cutter 400, and the bevel cutter 400 and the avoidance groove 410 need to be provided and provided at a position that does not affect the stamping and forming of the workpiece. The bottom end of the outer wall of the bevel cutter 400 is slidably connected to the inner wall of the avoidance groove 410, and a receiving groove 411 is provided on the inner wall of the avoidance groove 410 and on one side of the inclined end. The slot 411 is used to store the return hook 430. A micro telescopic rod 440 is fixed to the inner wall of the storage slot 411 and on the side away from the bevel cutter 400. A guide plate 420 is fixed to the output end of the micro telescopic rod 440. The micro telescopic rod 440 is provided to drive the guide plate 420 to slide left and right on the inner wall of the storage slot 411, so as to adjust the position of the return hook 430. The micro telescopic rod 440 can be selected as an electric telescopic rod or a gas-controlled telescopic rod according to needs. The outer wall of the guide plate 420 and one end away from the bevel cutter 400 are fixed with a second spring 450. The second spring 450 is provided on the upper and lower sides of the micro telescopic rod 440. One end of the second spring 450 away from the guide plate 420 is fixedly connected to the side wall of the storage slot 411. The second spring 450 is provided to make the sliding of the guide plate 420 more stable through elastic force.

[0025] A return hook 430 is fixed to one side of the guide plate 420 close to the bevel cutter 400, and a slot 401 is provided on the inner wall of the bevel cutter 400 and at a position corresponding to the return hook 430. The outer wall of the return hook 430 is slidably connected to the inner wall of the slot 401. The return hook 430 is provided to enable the bevel cutter 400 to move more stably when it is inserted into the slot 401, thereby enabling the bevel cutter 400 to be more stable when it is separated upward. A guide slider 421 is fixed to the side end of the outer wall of the guide plate 420, and a plurality of guide sliders 421 are evenly arranged in a circular array. A guide slide groove is provided on the inner wall of the storage groove 411 and at a position corresponding to the guide slider 421, and the outer wall of the guide slider 421 is slidably connected to the inner wall of the guide slide groove.

[0026] The use process of the utility model is as follows: during production, personnel need to place the parts on the groove 110, and then the personnel can connect the hydraulic device to the top of the outer wall of the stamping upper die 200, and then use the hydraulic device to move the stamping upper die 200 downward, so that the punch 210 can extend into the groove 110, and when the punch 210 extends into the groove 110, the provided bevel cutter 400 will be inserted into the avoidance groove 410, and at the same time, the micro telescopic rod 440 can control the guide plate 420 to slide outward through the output end, so that the return hook 430 can pass through the storage groove 411 and be inserted into the slot 401, until the stamping bottom die 100 and the stamping upper die 200 are closed, and the bevel cutter 400 The avoidance groove 410 is just inserted to the bottom, and the return hook 430 reaches the end position of the slot 401. After the stamping is completed, when the stamping upper die 200 works upward, it will bring the bevel cutter 400 upward together. At this time, the return hook 430 is kept stationary, and the upward kinetic energy of the stamping upper die 200 is used to return the bevel cutter 400 to ensure that the bevel cutter 400 is in a vertical upward displacement direction to avoid the bevel cutter 400 from deflecting, thereby forcing the bevel cutter 400 to return to the origin, thereby achieving the effect of the bevel cutter 400 returning. After the bevel cutter 400 returns, the personnel can control the micro telescopic rod 440 to retract, so that the guide plate 420 and the return hook 430 are reset, so that the next stamping operation can be carried out.

[0027] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A device for forced return of mechanical work, comprising a stamping bottom die (100), a stamping upper die (200) is arranged above the top of the outer wall of the stamping bottom die (100), a punch (210) is fixed to the bottom end of the outer wall of the stamping upper die (200), and a groove (110) for molding is opened at the top of the outer wall of the stamping bottom die (100), characterized in that: A beveling device (400) is fixed to one side of the outer wall of the punch (210), and a return mechanism for forcibly returning the beveling device (400) is provided on the inner wall of the groove (110).

2. The device for forced return of mechanical workmanship according to claim 1, characterized in that: Guide rods (300) are fixed at the four corners of the top of the outer wall of the stamping bottom die (100), and through holes are opened at the upper and lower sides of the outer wall of the stamping upper die (200) at positions corresponding to the guide rods (300), and the outer wall of the guide rod (300) is slidably connected to the inner wall of the through hole.

3. The device for mechanical workmanship forced return according to claim 2, characterized in that: A first spring (310) is sleeved on the outer wall of the guide rod (300) and is located between the stamping bottom die (100) and the stamping upper die (200), and the upper and lower ends of the first spring (310) are respectively in contact with the outer wall corners of the stamping bottom die (100) and the stamping upper die (200) on the opposite side.

4. The device for mechanical workmanship forced return according to claim 1, characterized in that: The return mechanism comprises an avoidance groove (410), the avoidance groove (410) is formed on the inner wall of the groove (110) and is located below the beveling device (400), and the bottom end of the outer wall of the beveling device (400) is slidably connected to the inner wall of the avoidance groove (410).

5. The device for mechanical workmanship forced return according to claim 4, characterized in that: A receiving groove (411) is provided on the inner wall of the avoidance groove (410) and on one side located at the inclined end, and a miniature telescopic rod (440) is fixed on the inner wall of the receiving groove (411) and on the side away from the beveling device (400).

6. The device for forced return of mechanical workmanship according to claim 5, characterized in that: A guide plate (420) is fixed to the output end of the micro telescopic rod (440), and a second spring (450) is fixed to the outer wall of the guide plate (420) and at one end away from the beveling device (400). The second spring (450) is arranged on the upper and lower sides of the micro telescopic rod (440), and one end of the second spring (450) away from the guide plate (420) is fixedly connected to the side wall of the storage groove (411).

7. The device for forced return of mechanical work according to claim 6, characterized in that: A return hook (430) is fixed to one side of the guide plate (420) close to the bevel cutter (400), a slot (401) is provided on the inner wall of the bevel cutter (400) at a position corresponding to the return hook (430), and an outer wall of the return hook (430) is slidably connected to the inner wall of the slot (401).

8. The device for mechanical workmanship forced return according to claim 6, characterized in that: The outer wall side ends of the guide plates (420) are all fixed with guide slide blocks (421), and the plurality of guide slide blocks (421) are evenly arranged in a circular array. The inner wall of the storage groove (411) and the positions corresponding to the guide slide blocks (421) are all provided with guide slide grooves, and the outer walls of the guide slide blocks (421) are all slidably connected to the inner walls of the guide slide grooves.

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