Automobile part metal plate stamping clamp convenient to clamp

Abstract

The utility model relates to the technical field of sheet metal stamping, in particular to an automobile part sheet metal stamping clamp convenient to clamp, which comprises a support frame, a heat preservation mechanism is arranged below the support frame, the heat preservation mechanism comprises a clamping base fixedly connected to the bottom end of the support frame, and an inner cavity is formed in the clamping base. The bottom wall of the inner cavity is fixedly connected with a plurality of sets of heat insulation rubber sleeves, electromagnetic heating bases are wrapped in the heat insulation rubber sleeves, heat insulation plates are arranged on the outer sides of the heat insulation rubber sleeves and fixedly connected to the bottom wall of the inner cavity, and filling blocks are inlaid in the inner side walls of the heat insulation plates and made of polyurethane rubber. When a workpiece is clamped, the electromagnetic heating base is used for adjusting the temperature of the clamping base to be matched with the temperature of the workpiece, so that heat loss in the hot stamping process is reduced, the heat insulation plate and other parts are matched, the anti-pressure capacity of the clamping base is enhanced on the basis of improving the heat insulation effect, and the heat insulation effect is improved. And the electromagnetic heating seat is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal stamping, in particular to a sheet metal stamping fixture for automobile parts which is convenient for clamping. Background Art

[0002] During the sheet metal stamping process, it is often necessary to position the sheet metal to ensure that the sheet metal is fixed reliably and does not move relative to each other during the stamping process, thereby ensuring the stamping quality of the sheet metal. However, the existing sheet metal stamping fixtures are generally large in size and complex in structure, which are suitable for stamping of sheet metal with larger volumes, and therefore cannot meet the stamping needs of sheet metal such as small baffles.

[0003] After searching, the patent document with the publication number CN214683930U proposes a sheet metal stamping fixture for automobile parts: the utility model discloses a sheet metal stamping fixture, which includes an upper fixed plate, a movable plate, a lower fixed plate, a fixed column, a compression spring, a clamping seat, and a force-applying mechanism. Among them, there are multiple fixed columns, which are respectively connected to the upper fixed plate and the lower fixed plate, the movable plate is located between the upper fixed plate and the lower fixed plate, the force-applying mechanism is installed on the upper fixed plate, passes through the upper fixed plate and extends to the movable plate, and the clamping seat includes an upper clamping seat and a lower clamping seat, which are respectively installed on the movable plate and the lower fixed plate, and the two are arranged oppositely. When it is necessary to clamp and fix the sheet metal such as the small baffle, it is only necessary to place the sheet metal between the upper clamping seat and the lower clamping seat, and the force-applying mechanism then applies pressure to the sheet metal through the movable plate. The clamping effect is good, the sheet metal will not be displaced, and the stamping quality of the sheet metal is guaranteed. Since the utility model is relatively small in size, it can well meet the stamping needs of small-sized sheet metals.

[0004] The above technical solution uses a press machine to drive the stamping punch to apply pressure to the stamping raw material placed inside the stamping die to stamp it into shape. When the sheet material is high-strength and thin, ordinary cold stamping method is used. The rebound and cracking of the final formed parts and the wear of the mold are difficult to solve.

[0005] Therefore, it is necessary to invent a sheet metal stamping fixture for automobile parts that is easy to clamp to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a sheet metal stamping fixture for automobile parts that is easy to clamp, and realizes hot stamping through the cooperation of a support frame and a heat preservation mechanism, so as to solve the problems that are difficult to solve in the conventional cold stamping method in the prior art, such as the rebound and cracking of the final formed parts, and the wear of the mold.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sheet metal stamping fixture for automobile parts that is easy to clamp, including a support frame, characterized in that: a heat preservation mechanism is arranged below the support frame, the heat preservation mechanism includes a clamping base fixedly connected to the bottom end of the support frame, an inner cavity is opened inside the clamping base, a plurality of groups of heat-insulating rubber sleeves are fixedly connected to the bottom wall of the inner cavity and an electromagnetic heating seat is wrapped inside the heat-insulating rubber sleeve, a heat-insulating board is arranged on the outer side of the heat-insulating rubber sleeve and the heat-insulating board is fixedly connected to the bottom wall of the inner cavity, a filling block is inlaid on the inner side wall of the heat-insulating board, and the material of the filling block is polyurethane rubber.

[0008] Preferably, two groups of support blocks are fixedly connected to the bottom wall of the inner cavity, the top ends of the support blocks are fixedly connected to the top wall of the inner cavity, and the material of the support blocks is a thermal insulation ceramic plate.

[0009] Preferably, a buffer spring is sleeved on the outer side wall of the support frame, a stamping plate is fixedly connected to the top end of the buffer spring, and the stamping plate is slidably connected to the outer side wall of the support frame.

[0010] Preferably, a stamping cylinder is fixedly connected to the top end of the support frame, and a stamping forming block is fixedly connected to the output end of the stamping cylinder.

[0011] Preferably, a molding groove is provided on the surface of the clamping base, and the molding groove is arranged directly below the stamping molding block.

[0012] Preferably, the stamping forming block is fixedly connected to the center of the stamping plate, the bottom end of the stamping plate is fixedly connected to two sets of telescopic rods, the bottom end of the telescopic rods is fixedly connected to a clamping plate, and the top end of the clamping plate is fixedly connected to a sliding rod.

[0013] Preferably, a return spring is sleeved on the outer wall of the slide rod, and the slide rod is slidably connected to the bottom end of the stamping plate.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. Through the cooperation of the support frame and the heat preservation mechanism, when the workpiece is clamped, the temperature of the clamping base is adjusted by the electromagnetic heating seat to match the temperature of the workpiece, so as to reduce the heat loss during the hot stamping process. In addition, the cooperation of parts such as the heat insulation board is used to enhance the pressure resistance of the clamping base on the basis of improving the heat preservation effect, so as to prevent the electromagnetic heating seat from being damaged;

[0016] 2. Through the cooperation between the stamping plate and the buffer spring, the cooperation between the support frame and the stamping plate is used to prevent the stamping plate from shifting during the stamping process, and the cooperation between the buffer spring and the stamping plate is used to buffer the stamping work to prevent damage to the workpiece caused by excessive stamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall first-view structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0021] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 5 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0023] Description of reference numerals:

[0024] 1. Support frame; 2. Insulation mechanism; 201. Clamping base; 202. Inner cavity; 203. Insulation rubber sleeve; 204. Insulation board; 205. Filling block; 206. Electromagnetic heating seat; 3. Stamping cylinder; 4. Stamping plate; 5. Buffer spring; 6. Forming groove; 7. Clamping plate; 8. Stamping forming block; 9. Support block; 10. Telescopic rod; 11. Sliding rod; 12. Reset spring. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-5A sheet metal stamping fixture for automobile parts that is easy to clamp is shown, comprising a support frame 1, a heat preservation mechanism 2 is arranged below the support frame 1, the heat preservation mechanism 2 comprises a clamping base 201 fixedly connected to the bottom end of the support frame 1, an inner cavity 202 is opened inside the clamping base 201 to provide space for subsequent parts, a plurality of groups of heat-insulating rubber sleeves 203 are fixedly connected to the bottom wall of the inner cavity 202, and an electromagnetic heating seat 206 is wrapped inside the heat-insulating rubber sleeve 203, the electromagnetic heating seat 206 is protected by the heat-insulating rubber sleeve 203, the overall temperature of the heat-insulating mechanism 2 is adjusted by the electromagnetic heating seat 206 and the temperature of other parts is affected, an insulation board 204 is arranged on the outer side of the heat-insulating rubber sleeve 203, and the insulation board 204 is fixedly connected to the bottom wall of the inner cavity 202, and the insulation board 204 is used to improve the heat preservation of the heat-insulating mechanism 2 In order to prevent heat dissipation, the inner wall of the heat insulation board 204 is inlaid with a filling block 205, and the material of the filling block 205 is polyurethane rubber. The filling block 205 further improves the stability of the heat preservation mechanism 2, and the bottom wall of the inner cavity 202 is fixedly connected with two groups of support blocks 9. The top of the support block 9 is fixedly connected to the top wall of the inner cavity 202. The material of the support block 9 is a heat-insulating ceramic plate. The heat preservation mechanism 2 is reinforced by the support block 9. Through the cooperation of the support frame 1 and the heat preservation mechanism 2, the electromagnetic heating seat 206 is used to adjust the temperature of the clamping base 201 to make it compatible with the temperature of the workpiece to reduce the heat loss during the hot stamping process, and the cooperation of parts such as the heat insulation board 204 is used to enhance the compressive strength of the clamping base 201 on the basis of improving the heat preservation effect to prevent the electromagnetic heating seat 206 from being damaged.

[0027] Refer to the instruction manual Figure 1-5 The outer wall of the support frame 1 is sleeved with a buffer spring 5, the top of the buffer spring 5 is fixedly connected with a stamping plate 4, the stamping plate 4 is slidably connected to the outer wall of the support frame 1, the top of the support frame 1 is fixedly connected with a stamping cylinder 3, the output end of the stamping cylinder 3 is fixedly connected with a stamping forming block 8, the stamping cylinder 3 drives the stamping forming block 8 to perform stamping work on the bottom, and the cooperation between the stamping plate 4 and the buffer spring 5 is utilized to make the cooperation between the support frame 1 and the stamping plate 4 prevent the stamping plate 4 from shifting during the stamping process, and the cooperation between the buffer spring 5 and the stamping plate 4 is utilized to buffer the stamping work to prevent damage to the workpiece caused by excessive stamping.

[0028] Refer to the instruction manual Figure 1-5A forming groove 6 is provided on the surface of the clamping base 201, and the forming groove 6 is arranged just below the stamping forming block 8. The object to be processed is placed through the forming groove 6. The stamping forming block 8 is fixedly connected to the center of the stamping plate 4, so that the stamping plate 4 and the stamping forming block 8 move synchronously. Two sets of telescopic rods 10 are fixedly connected to the bottom end of the stamping plate 4, and the bottom end of the telescopic rod 10 is fixedly connected to the clamping plate 7, and the top end of the clamping plate 7 is fixedly connected to the slide bar 11. The clamping plate 7 is used to press the two ends of the workpiece, so as to cooperate with the clamping base 201 to fix the workpiece. The outer wall of the slide bar 11 is provided with a return spring 12, and the return spring 12 extends to both ends in a natural state. The slide bar 11 is slidably connected to the bottom end of the stamping plate 4, and the slide bar 11 slides through the cooperation of the slide bar 11 and the stamping plate 4, so as to cooperate with the stamping forming block 8 to complete short-distance continuous stamping.

[0029] How this utility works:

[0030] Refer to the instruction manual Figure 1-5 Before clamping the workpiece, a fixed number of electromagnetic heating seats 206 are first started according to the processing requirements, and the temperature of the clamping base 201 is adjusted by the electromagnetic heating seat 206 to make it compatible with the temperature of the workpiece, so as to reduce the heat loss in the hot stamping process and prevent the workpiece from exceeding or falling below the working temperature, resulting in excessive stress concentration during stamping or the occurrence of part rebound and cracking. At the same time, the cooperation of parts such as the heat insulation board 204 is used to enhance the compressive capacity of the clamping base 201 on the basis of improving the thermal insulation effect, so that the clamping base 201 can be heated by the heat insulation board when receiving the stamping work. 204 and the filling block 205 buffer the stamping pressure respectively, thereby reducing the impact of stamping on the heat-insulating rubber sleeve 203, and further using the heat-insulating rubber sleeve 203 to protect the electromagnetic heating seat 206 to prevent the electromagnetic heating seat 206 from being damaged due to excessive vibration. After the workpiece is successfully clamped, the stamping cylinder 3 is started to drive the stamping plate 4 to process the workpiece, and the support frame 1 and the stamping plate 4 are used to prevent the stamping plate 4 from shifting during the stamping process. The buffer spring 5 and the stamping plate 4 are used to buffer the stamping work with their own elastic force to prevent damage to the workpiece caused by excessive stamping;

[0031] Refer to the instruction manual Figure 1-5 When the workpiece needs to be clamped, the workpiece is first placed in the natural limit of the inner part of the forming groove 6, and then the stamping cylinder 3 is started to drive the clamping plate 7 to contact the two ends of the workpiece, so that the sliding of the slide bar 11 is realized through the cooperation of the slide bar 11 and the stamping plate 4, and the workpiece is quickly clamped by the elastic potential energy in the reset spring 12. Then, the stamping cylinder 3 is started again to drive the stamping plate 4 and the stamping forming block 8 to process the workpiece, and after the stamping is completed, the clamping plate 7 is reset by the reset spring 12 to complete the work.

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A sheet metal stamping fixture for automobile parts that is easy to clamp, comprising a support frame (1), characterized in that: A heat preservation mechanism (2) is arranged below the support frame (1), the heat preservation mechanism (2) comprising a clamping base (201) fixedly connected to the bottom end of the support frame (1), an inner cavity (202) is provided inside the clamping base (201), a plurality of groups of heat-insulating rubber sleeves (203) are fixedly connected to the bottom wall of the inner cavity (202), and an electromagnetic heating seat (206) is wrapped inside the heat-insulating rubber sleeves (203), a heat-insulating board (204) is arranged outside the heat-insulating rubber sleeves (203), and the heat-insulating board (204) is fixedly connected to the bottom wall of the inner cavity (202), and a filling block (205) is inlaid on the inner side wall of the heat-insulating board (204), and the material of the filling block (205) is polyurethane rubber.

2. The sheet metal stamping fixture for automobile parts that is easy to clamp according to claim 1, characterized in that: Two groups of support blocks (9) are fixedly connected to the bottom wall of the inner cavity (202), the top ends of the support blocks (9) are fixedly connected to the top wall of the inner cavity (202), and the material of the support blocks (9) is a thermal insulation ceramic plate.

3. The sheet metal stamping fixture for automobile parts that is easy to clamp according to claim 1, characterized in that: The outer wall of the support frame (1) is sleeved with a buffer spring (5), the top end of the buffer spring (5) is fixedly connected to a stamping plate (4), and the stamping plate (4) is slidably connected to the outer wall of the support frame (1).

4. The sheet metal stamping fixture for automobile parts that is easy to clamp according to claim 1, characterized in that: The top end of the support frame (1) is fixedly connected to a stamping cylinder (3), and the output end of the stamping cylinder (3) is fixedly connected to a stamping forming block (8).

5. The sheet metal stamping fixture for automobile parts that is easy to clamp according to claim 1, characterized in that: A forming groove (6) is provided on the surface of the clamping base (201), and the forming groove (6) is arranged directly below the stamping forming block (8).

6. The sheet metal stamping fixture for automobile parts that is easy to clamp according to claim 5, characterized in that: The stamping block (8) is fixedly connected to the center of the stamping plate (4); the bottom end of the stamping plate (4) is fixedly connected to two groups of telescopic rods (10); the bottom end of the telescopic rod (10) is fixedly connected to a clamping plate (7); and the top end of the clamping plate (7) is fixedly connected to a sliding rod (11).

7. The sheet metal stamping fixture for automobile parts that is easy to clamp according to claim 6, characterized in that: A return spring (12) is sleeved on the outer wall of the slide bar (11), and the slide bar (11) is slidably connected to the bottom end of the stamping plate (4).

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