Bending automatic discharging device for motor sheet metal parts

Abstract

The utility model discloses a bending automatic blanking device for motor sheet metal parts, which relates to the technical field of motor production and comprises a machine body, a bending mechanism mounted in the machine body and a blanking mechanism mounted in the machine body. The bending mechanism comprises a lower die fixedly arranged on a workbench of the machine body, a sheet metal part movably arranged in the lower die matched with the lower die, a hydraulic cylinder fixedly installed at the top of the machine body and an upper die fixedly installed at the bottom end of the hydraulic cylinder and used for bending the sheet metal part at the bottom. According to the utility model, the hydraulic cylinder stretches out and draws back to drive the upper die to move so as to bend a sheet metal part in the lower die into a U shape, and after the hydraulic cylinder is continuously shortened, the sheet metal part clamped at the upper die after moving upwards is ejected to fall off through the ejection block so as to carry out automatic blanking, so that the processing efficiency is improved; and the situation that a user is injured due to misoperation after manually discharging the machined sheet metal parts is avoided, and the movable foam plate can conduct buffering protection on the ejected and fallen sheet metal parts, so that the sheet metal parts are not prone to colliding when falling down.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor production technical field especially is involved in a kind of bending automatic blanking device for motor sheet metal part. BACKGROUND

[0002] Stamping is a metal processing technology, which uses a punch press to apply pressure to metal sheets, causing plastic deformation or separation, so as to manufacture parts of the desired shape and size. This process is widely used in the metal processing industry, especially in the automotive, aerospace, electronics, home appliances and construction industries. When producing motors, stamping equipment is needed to stamp and bend sheet metal parts. After bending, the sheet metal parts can be fixed to form the shell of the motor.

[0003] When processing U-shaped motor sheet metal parts, the traditional punch press usually needs to manually unload the processed sheet metal parts, which can easily cause worker injuries due to non-standard operation. In addition, the bent U-shaped sheet metal parts are easily stuck in the upper die of the punch press, and the stuck sheet metal parts are not easy to remove. SUMMARY

[0004] The utility model provides a kind of bending automatic blanking device for motor sheet metal part in view of the deficiency of prior art, and specific technical solutions are as follows:

[0005] A kind of bending automatic blanking device for motor sheet metal part, including machine body, bending mechanism installed in machine body and blanking mechanism installed in machine body, the bending mechanism includes the lower die fixedly arranged at the workbench of machine body, the sheet metal part movably arranged in the lower die, the hydraulic cylinder fixedly installed at the top of machine body, and the upper die fixedly installed at the bottom end of hydraulic cylinder for bending the sheet metal part at the bottom;

[0006] The blanking mechanism includes a cross plate fixedly arranged in the middle of machine body, and a top block slidably arranged at the bottom of the cross plate on both sides for automatically pushing off the sheet metal part stuck on the upper die when the hydraulic cylinder continuously shortens, one end of the top block is rotatably provided with a roller abutting against the outer wall of the upper die, and springs are provided on both sides of the bottom of the cross plate for pushing the top block towards the upper die.

[0007] By adopting the above technical scheme, the upper die can be moved to bend the sheet metal part in the lower die into U shape by the extension and retraction of the hydraulic cylinder. After the hydraulic cylinder continuously shortens, the sheet metal part stuck on the upper die after moving up can be pushed off by the top block for automatic unloading.

[0008] Optionally, a hole is formed in the middle of the cross plate for the upper die to pass through, the top block abuts against the bottom of the cross plate, connecting plates are fixedly arranged on both sides of the bottom of the cross plate, springs are fixedly connected between the connecting plates and the top block, and extension rods are fixedly arranged between the connecting plates and the top block for limiting the top block.

[0009] Through the above technical scheme, the connecting plate can connect the transverse plate and the telescopic rod, and the telescopic rod can limit the top block, so that the top block can only move horizontally.

[0010] Optionally, the top block is fixedly provided with a plurality of bristles at one end close to the roller, which abuts against the outer wall of the upper die.

[0011] Through the above technical scheme, the bristles can partially clean the outer wall of the upper die after moving, thereby reducing the cleaning intensity of the user on the upper die in the later period.

[0012] Optionally, the lower die is movably provided at the top with a foam plate for buffering and protecting the metal plate member pushed down by the top block, the edge of the workbench of the machine body is fixedly provided with a vertical plate, one side of the vertical plate is fixedly provided with an electric push rod, one end of the electric push rod is fixedly provided with a bearing plate, and the foam plate is fixedly arranged on the top of the bearing plate.

[0013] Through the above technical scheme, the vertical plate can support the electric push rod and other components, the electric push rod can drive the foam plate and other components to move horizontally after being stretched out or retracted, and the bearing plate can connect the vertical plate and the foam plate, so that the foam plate can buffer and protect the metal plate member pushed down by the top block when the foam plate moves to the lower side of the upper die, thereby preventing the metal plate member from being knocked when falling.

[0014] In summary, the utility model has at least one of the following beneficial effects:

[0015] 1. Through the stretching and retracting of the hydraulic cylinder, the upper die can be moved to bend the metal plate member in the lower die into a U shape, and when the hydraulic cylinder continuously shortens, the metal plate member clamped on the upper die can be pushed down by the top block to realize automatic discharging, thereby improving the processing efficiency, avoiding the user from being injured due to misoperation after manually discharging the processed metal plate member, and buffering and protecting the pushed-down metal plate member by the movable foam plate, thereby preventing the metal plate member from being knocked when falling.

[0016] 2. Through the rotation of the roller, the wear between the upper die and the top block during the lifting of the upper die can be reduced, and under the elastic force of the spring and the limiting of the telescopic rod, the top block can abut against the upper die of different thicknesses through the roller, so that the device can automatically discharge the metal plate members of different thicknesses, and the bristles can partially clean the outer wall of the upper die after moving, thereby reducing the cleaning intensity of the user on the upper die in the later period. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 is a schematic diagram of the internal structure of the overall structure of the utility model;

[0019] Figure 3 is a schematic diagram of the Figure 2Enlarged view of the connecting plate and the top block structure.

[0020] Explanation of reference numerals: 1, machine body; 2, lower die; 21, sheet metal part; 22, hydraulic cylinder; 23, upper die; 3, horizontal plate; 31, connecting plate; 32, spring; 33, top block; 34, telescopic rod; 35, roller; 36, brush; 4, foam plate; 41, vertical plate; 42, electric push rod; 43, bearing plate. DETAILED DESCRIPTION

[0021] The following will be described in detail in combination with the accompanying drawings Figures 1-3 The utility model is further described in detail.

[0022] The utility model discloses a kind of bending automatic blanking devices for motor sheet metal parts, refer to Figures 1-3 , including machine body 1, bending mechanism and blanking mechanism.

[0023] Refer to Figures 1-2 , machine body 1 can be loaded and supported to bending mechanism and the like components.

[0024] Bending mechanism includes fixedly arranged at the workbench of machine body 1 lower die 2, movably arranged in the sheet metal part 21 of compatible lower die 2, fixedly installed at the top of machine body 1 hydraulic cylinder 22, and fixedly installed at the bottom end of hydraulic cylinder 22 for bottom sheet metal part 21 bending upper die 23, hydraulic cylinder 22 is existing multistage hydraulic cylinder, machine body 1, hydraulic cylinder 22, upper die 23 and lower die 2 and the like components are composed of existing punch press, its internal structure has been disclosed, here too much repetition is not described.

[0025] When bending, users can put plate into compatible lower die 2, hydraulic cylinder 22 telescopic after driving upper die 23 to move up and down, when upper die 23 drops, it is pressed and bent to plate in lower die 2, so that plate is bent into U-shaped motor shell sheet metal part 21.

[0026] Refer to Figures 2-3 , blanking mechanism includes fixedly arranged in the middle of machine body 1 horizontal plate 3, and slidingly arranged at the bottom of horizontal plate 3 both sides top block 33 for automatically top falling sheet metal part 21 when being stuck on upper die 23 when hydraulic cylinder 22 continuously shortens, hole is opened in the middle of horizontal plate 3 for upper die 23 to pass through, top block 33 is abutted at the bottom of horizontal plate 3, horizontal plate 3 can support top block 33 and the like components, when hydraulic cylinder 22 continuously shortens, it is stuck on upper die 23 after moving up by stationary top block 33 top falling sheet metal part 21 to carry out automatic blanking.

[0027] Refer to Figures 2-3The bottom of the horizontal plate 3 is fixed with a connecting plate 31 on both sides, a spring 32 is fixedly connected between the connecting plate 31 and a top block 33, a telescopic rod 34 for limiting the top block 33 is fixed between the connecting plate 31 and the top block 33, the connecting plate 31 can connect the horizontal plate 3 and the telescopic rod 34, the telescopic rod 34 can limit the top block 33, so that the top block 33 can only move horizontally, and the telescopic rod 34 can slide the top block 33 at the bottom of the horizontal plate 3.

[0028] With reference to Figures 2-3 The top block 33 is rotatably provided with a roller 35 at one end, which abuts against the outer wall of the upper die 23. The bottom of the horizontal plate 3 is provided with a spring 32 for pushing the top block 33 to the upper die 23. Under the elastic force of the spring 32, the top block 33 is pushed to the upper die 23. Since the spring 32 is elastic and the top block 33 can be translated, the top block 33 can be pushed to the upper die 23 of different thicknesses, facilitating the device to automatically feed the sheet metal part 21 of different thicknesses. The rotation of the roller 35 can reduce the wear between the upper die 23 and the top block 33 during the lifting of the upper die 23.

[0029] With reference to Figures 2-3 The end of the top block 33 close to the roller 35 is fixedly provided with a plurality of bristles 36, which abut against the outer wall of the upper die 23. The bristles 36 can partially clean the outer wall of the upper die 23 after moving, reducing the cleaning intensity of the user on the upper die 23 later.

[0030] With reference to Figures 1-2 The top of the lower die 2 is movably provided with a foam plate 4 for buffering and protecting the sheet metal part 21 pushed down by the top block 33. The edge of the workbench of the machine body 1 is fixedly provided with a vertical plate 41. The vertical plate 41 is fixedly provided with an electric push rod 42 on one side. The electric push rod 42 is fixedly provided with a bearing plate 43 at one end. The foam plate 4 is fixedly provided on the top of the bearing plate 43. The vertical plate 41 can support the electric push rod 42 and other components. The electric push rod 42 can drive the foam plate 4 and other components to move horizontally after being stretched and retracted. The bearing plate 43 can connect the vertical plate 41 and the foam plate 4. When the foam plate 4 moves to the lower side of the upper die 23, the foam plate 4 can buffer and protect the sheet metal part 21 pushed down by the top block 33, so that the sheet metal part 21 is not easy to be knocked when falling.

[0031] The implementation principle of the bending automatic feeding device for motor sheet metal parts is as follows:

[0032] In use, the user can put the plate into the lower die 2, and then control the hydraulic cylinder 22 to stretch and retract to drive the upper die 23 to move up and down. When the upper die 23 is lowered, it can stamp and bend the plate in the lower die 2, so that the plate is bent into a U-shaped sheet metal part 21.

[0033] The bent sheet metal part 21 is easy to be clamped at the upper die 23, at this time, with the continuous shortening of the hydraulic cylinder 22, the static top block 33 can top and drop the clamped sheet metal part 21 at the upper die 23 to automatically discharge;

[0034] Meanwhile, the user can move the foam plate 4 by controlling the extension and retraction of the electric push rod 42, so that the foam plate 4 can be moved below the upper die 23, at this time, the foam plate 4 can buffer and protect the sheet metal part 21 top-dropped by the top block 33, so that the sheet metal part 21 is not easy to be knocked when falling;

[0035] The user can bend and process sheet metal parts 21 of different thickness sizes by replacing the upper die 23 of different thickness sizes and the lower die 2 of corresponding sizes, at this time, under the elastic force of the spring 32 and the limiting of the extension rod 34, the top block 33 can be abutted on the upper die 23 of different thickness sizes through the roller 35, so that the device can automatically discharge the sheet metal parts 21 of different thickness sizes.

[0036] The above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A kind of bending automatic blanking device for motor sheet metal part, including machine body (1), the bending mechanism being installed in machine body (1), and the blanking mechanism being installed in machine body (1), it is characterized in that: The bending mechanism includes the lower die (2) being fixedly arranged at the workbench of machine body (1), the sheet metal part (21) being movably arranged in the lower die (2) of adaptation, the hydraulic cylinder (22) being fixedly installed at the top of machine body (1), and the upper die (23) being fixedly installed at the bottom end of hydraulic cylinder (22) for bending the bottom sheet metal part (21). The blanking mechanism includes the cross plate (3) being fixedly arranged in the middle of machine body (1), and the top block (33) being slidably arranged at the bottom of cross plate (3) two sides for automatically toppling the sheet metal part (21) being clamped on the upper die (23) when the hydraulic cylinder (22) continuously shortens, one end of the top block (33) is rotatably provided with the roller (35) being abutted on the outer wall of the upper die (23), and the cross plate (3) is provided with the spring (32) for pushing the top block (33) to the upper die (23) at the bottom of two sides.

2. The automatic bending and blanking device for motor panel parts according to claim 1, characterized in that: The cross plate (3) is provided with the hole in the middle for the upper die (23) to pass through, and the top block (33) is abutted on the bottom of cross plate (3).

3. The automatic bending and blanking device for motor panel parts according to claim 1, characterized in that: The cross plate (3) is fixedly provided with the connecting plate (31) at the bottom of two sides, and the spring (32) is fixedly connected between the connecting plate (31) and the top block (33).

4. The automatic bending and blanking device for motor panel parts according to claim 3, characterized in that: The connecting plate (31) and the top block (33) are fixedly provided with the telescopic rod (34) for limiting the top block (33).

5. The automatic bending and blanking device for motor panel parts according to claim 4, characterized in that: The top block (33) is fixedly provided with a plurality of bristles (36) being abutted on the outer wall of the upper die (23) at the end close to the roller (35).

6. The automatic bending and blanking device for motor panel parts according to claim 1, characterized in that: The lower die (2) is movably provided with the foam plate (4) at the top for buffering and protecting the sheet metal part (21) being toppled by the top block (33).

7. The automatic bending and blanking device for motor panel parts according to claim 6, characterized in that: The machine body (1) is fixedly provided with the vertical plate (41) at the edge of workbench, and the vertical plate (41) is fixedly provided with the electric push rod (42) at one side.

8. The automatic bending and blanking device for motor panel parts according to claim 7, characterized in that: The electric push rod (42) is fixedly provided with the bearing plate (43) at one end, and the foam plate (4) is fixedly arranged on the top of bearing plate (43).

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