New energy automobile battery cover mixed forming method and transfer mold

Abstract

The invention relates to a new energy automobile battery cover mixed forming method and a transfer mold. The transfer mold comprises an upper mold and a lower mold. A profiling positioning block is arranged on the lower die; the upper die is provided with a floating material pressing block, an elastic reset assembly and a bag pulling punch, and the floating material pressing block is provided with an open groove for the bag pulling punch to pass through; a bag pulling female die is embedded in the profiling positioning block, an open hole is formed in the bottom face of the bag pulling female die, a punching punch is arranged in the open hole, a driving punching air cylinder is arranged on the lower die, a punching female die is arranged on the bag pulling punch, and a movable column, a movable hole, a position locking unit and a reset spring are arranged in the bag pulling punch. The bag pulling female die is provided with a waste removing assembly for removing punching waste. By means of the die, the bag pulling operation and the punching operation of the battery cover can be integrated into the die of one station, and therefore the machining efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile hardware transfer molds, and more specifically, to a hybrid molding method and a transfer mold for a battery cover of a new energy vehicle. Background Art

[0002] With the rapid development of new energy vehicles, the demand for battery boxes has also increased, which has put forward higher requirements on the production efficiency of battery boxes. When punching and pulling the battery cover of the traditional battery box, since there are multiple pulling positions and some pulling positions need further punching, the processing is usually completed by using a transfer mold for punching and pulling. Two sets of molds are required and two stations are occupied in the entire transfer mold. The processing efficiency of punching and pulling is relatively low. A more efficient hybrid molding method and transfer mold for new energy vehicle battery covers are needed. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a new energy vehicle battery cover hybrid molding method and a new energy vehicle battery cover hybrid molding transfer mold in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A hybrid molding transfer die for a battery cover of a new energy vehicle is constructed, wherein the die comprises an upper die and a lower die; the lower die is provided with a profiling positioning block for profiling and positioning a workpiece; the upper die is provided with a floating pressing block, an elastic reset component for providing an elastic force for the floating pressing block, and a punch for pulling a package, the floating pressing block is provided with a slot for the punch to pass through; a package drawing die matching with the punch is embedded in the profiling positioning block, the bottom surface of the package drawing die is provided with an opening, a punch for punching is provided in the opening, and the upper end surface of the punch is kept flush with the inner bottom surface of the package drawing die in the open die state; The lower die is provided with a punching cylinder for driving the punching punch, the bag pulling punch is provided with a punching die cooperating with the punching punch, the bag pulling punch is provided with a movable column for closing the opening of the punching die, a movable hole for longitudinal movement of the movable column, a position locking unit for locking the position of the movable column and a reset spring for resetting the movable column; the position locking unit releases the position lock of the movable column after mold closing and keeps the position lock of the movable column when the mold is opened, and the lower end face of the movable column remains flush with the lower end face of the bag pulling punch when the mold is opened; the bag pulling die is provided with a waste removal component for removing punching waste.

[0006] The hybrid molding transfer mold for the battery cover of a new energy vehicle described in the present invention, wherein the position locking unit includes a locking cylinder embedded in the pulling punch, the movable end of the locking cylinder is provided with a clamping head with an arc-shaped front end, the inner wall of the movable hole is provided with a hole for the movement of the clamping head; the outer surface of the movable column is provided with an arc-shaped groove cooperating with the clamping head.

[0007] The hybrid molding transfer mold for the battery cover of a new energy vehicle described in the present invention has a first trigger switch for triggering the operation of the locking cylinder provided on the outer surface of the pull-pack punch, and the first trigger switch is triggered by the extrusion of the floating pressure block when the mold is fully closed.

[0008] The hybrid molding transfer mold for the new energy vehicle battery cover described in the present invention, wherein an installation groove for installing the first trigger switch and a cover plate for covering the installation groove are provided on the outer surface of the pull pack punch, the lower end of the cover plate is hinged to the lower edge of the installation groove, the upper end of the cover plate is connected to the inner wall of the installation groove through a spring, and the first trigger switch is triggered when the cover plate is closed.

[0009] The hybrid molding transfer mold for the battery cover of a new energy vehicle described in the present invention comprises: an inner wall of the groove is provided with a positioning groove corresponding to the cover plate, and a wear-resistant block for pressing the cover plate is provided in the positioning groove.

[0010] The hybrid molding transfer mold for the battery cover of a new energy vehicle described in the present invention, wherein the waste removal assembly includes a pull-out rod with a magnetic property and a transverse cylinder for driving the pull-out rod to move transversely, the inner wall of the pull-out die is provided with a transverse hole for the pull-out rod to move, and the front end face of the pull-out rod is flush with the inner wall of the pull-out die; the lower mold is provided with an installation chamber for installing the transverse cylinder, the installation chamber is connected to the transverse hole and a waste removal block and a waste collection box located directly below the waste removal block are provided in the installation chamber; the waste removal block is sleeved on the pull-out rod.

[0011] The hybrid molding transfer mold for the new energy vehicle battery cover described in the present invention, wherein the lower mold is provided with a second trigger switch for controlling the punching cylinder, and the second trigger switch is triggered by the upper mold when the mold is closed and controls the ejection and retraction actions of the punching cylinder with a delay after being triggered.

[0012] A hybrid molding method for a new energy vehicle battery cover, using the hybrid molding transfer mold for the new energy vehicle battery cover as described above, wherein the method comprises the steps of:

[0013] During processing, the manipulator transfers the workpiece to the profiling positioning block for profiling positioning. The lower end surface of the movable column is kept flush with the lower end surface of the punch for pulling the package, and the position locking unit locks the position of the movable column.

[0014] Then the upper die moves downward, and the integral structure composed of the bag pulling punch and the movable column cooperates with the bag pulling die to perform the bag pulling operation. When the die is fully closed, the bag pulling action is completed. At this time, the position locking unit unlocks the movable column, and the movable column can move along the movable hole;

[0015] The punching cylinder drives the punching punch upward, and the punching punch cooperates with the punching die to punch holes. After the punching is completed, the mold is opened;

[0016] The movable column is reset under the action of the reset spring, and the movable column and the punching punch clamp the punching waste. When the movable column is separated from the punching waste, the punching cylinder drives the punching punch to reset, and the punching waste enters the bag drawing die and is removed by the waste removing component.

[0017] The beneficial effects of the present invention are as follows: during processing, the manipulator transfers the workpiece to the profiling positioning block for profiling positioning, the lower end surface of the movable column is kept flush with the lower end surface of the bag pulling punch, and the position locking unit locks the position of the movable column; then the upper die descends, and the overall structure formed by the bag pulling punch and the movable column cooperates with the bag pulling die to perform the bag pulling operation, and the bag pulling action is completed when the mold is fully closed. At this time, the position locking unit unlocks the movable column, and the movable column can move along the movable hole; the punching cylinder drives the punching punch upward, and the punching punch cooperates with the punching die to punch holes, and the mold opens after the punching is completed; the movable column is reset under the action of the reset spring, and the movable column and the punching punch clamp the punching waste. When the movable column is separated from the punching waste, the punching cylinder drives the punching punch to reset, and the punching waste enters the bag pulling die and is removed by the waste removing component; by using the mold of the present application, the bag pulling operation and the punching operation of the battery cover can be integrated into the mold of one station, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0019] Figure 1 It is a schematic diagram of the structure of a hybrid molding transfer mold for a new energy vehicle battery cover according to a preferred embodiment of the present invention;

[0020] Figure 2 It is a flow chart of the hybrid molding method of the new energy vehicle battery cover according to the preferred embodiment of the present invention. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0022] The hybrid molding transfer mold for the battery cover of a new energy vehicle in a preferred embodiment of the present invention is as follows: Figure 1 As shown, it comprises an upper die 1 and a lower die 2; a profiling positioning block 3 for profiling and positioning a workpiece is arranged on the lower die 2; a floating pressing block 4, an elastic reset component 5 for providing elastic force for the floating pressing block 4 and a bag-pulling punch 6 for pulling a bag are arranged on the upper die 1, and a slot 40 for the bag-pulling punch 6 to pass through is arranged on the floating pressing block 4; a bag-pulling die 30 cooperating with the bag-pulling punch is embedded on the profiling positioning block 3, an opening 31 is arranged on the bottom surface of the bag-pulling die 30, a punching punch 32 for punching is arranged in the opening 31, and the upper end surface of the punching punch 32 is kept flush with the inner bottom surface of the bag-pulling die 30 in the open die state; a driving punch 30 is arranged on the lower die 2 The punching cylinder 33 of the punching punch 32 is provided on the bag drawing punch 6, and a punching die 60 cooperating with the punching punch 32 is provided on the bag drawing punch 6. A movable column 61 for closing the opening of the punching die 60, a movable hole 62 for the longitudinal movement of the movable column 61, a position locking unit 63 for locking the position of the movable column 61, and a reset spring 64 for resetting the movable column 61 are provided in the bag drawing punch 6; the position locking unit 63 releases the position locking of the movable column 61 after the mold is closed, and keeps the position locking of the movable column 61 when the mold is opened, and the lower end surface of the movable column 61 is kept flush with the lower end surface of the bag drawing punch 6 when the mold is opened; a waste material removal component 7 for removing the punching waste is provided on the bag drawing die 30;

[0023] During processing, the manipulator transfers the workpiece to the profiling positioning block 3 for profiling positioning, the lower end surface of the movable column 61 is kept flush with the lower end surface of the bag pulling punch 6, and the position locking unit 63 locks the position of the movable column 61; then the upper mold 1 moves downward, the integral structure formed by the bag pulling punch 6 and the movable column 61 cooperates with the bag pulling die 30 to perform the bag pulling operation, and the bag pulling action is completed when the mold is fully closed. At this time, the position locking unit 63 unlocks the movable column 61, and the movable column 61 can move along the movable hole; the punching cylinder 33 drives the punching punch 32 upward, and the punching punch 32 cooperates with the punching die 60 to punch, and the mold is opened after the punching is completed; the movable column 61 is reset under the action of the reset spring 64, and the movable column 61 and the punching punch 32 clamp the punching waste. When the movable column 61 is separated from the punching waste, the punching cylinder 33 drives the punching punch 32 to reset, and the punching waste enters the bag pulling die 30 and is removed by the waste removing component 7;

[0024] By using the mold of the present application, the packing operation and the punching operation of the battery cover can be integrated into a mold of one station, thereby improving the processing efficiency.

[0025] Preferably, the position locking unit 63 includes a locking cylinder 630 embedded in the bag pulling punch 6, the movable end of the locking cylinder 630 is provided with a clamping head 631 with an arc-shaped front end, and the inner wall of the movable hole 62 is provided with a hole position 65 for the clamping head to move; the outer surface of the movable column 61 is provided with an arc-shaped groove 610 that cooperates with the clamping head 631; adopting this structure, the position locking unit 63 can be well integrated with the bag pulling punch, so as to realize the position locking of the movable column 61 and ensure the smooth and stable operation of the bag pulling operation.

[0026] Preferably, a first trigger switch 66 for triggering the operation of the locking cylinder is provided on the outer surface of the bag pulling punch 6, and the first trigger switch 66 is triggered by the extrusion of the floating pressing block 4 when the mold is fully closed; specifically, the structure can be adopted: a mounting groove 67 for mounting the first trigger switch and a cover plate 68 for covering the mounting groove 67 are provided on the outer surface of the bag pulling punch 6, the lower end of the cover plate 68 is hinged to the lower edge of the mounting groove 67, and the upper end of the cover plate 68 is connected to the inner wall of the mounting groove 67 by a spring (not shown in the figure), so that the first trigger switch 66 is triggered when the cover plate 68 is closed; a positioning groove 400 corresponding to the cover plate 68 is provided on the inner wall of the slot 40, and a wear-resistant block 401 for squeezing the cover plate is provided in the positioning groove 400; the slot 40 not only plays a role of avoiding and guiding the bag pulling punch 6, but also is used to squeeze the cover plate 68, so that the first trigger switch 66 is triggered, thereby triggering the operation of the locking cylinder 630 to release the lock on the movable column 61, with good integrity and reliability.

[0027] Preferably, the waste removal assembly 7 includes a magnetic pulling rod 70 and a transverse cylinder 71 for driving the pulling rod to move transversely, the inner wall of the bag drawing die 30 is provided with a transverse hole 300 for the pulling rod 70 to move, and the front end face of the pulling rod 70 is flush with the inner wall of the bag drawing die 30; the lower die 2 is provided with an installation chamber 20 for installing the transverse cylinder, the installation chamber 20 is connected to the transverse hole 300 and a waste removal block 21 and a waste collection box 22 located directly below the waste removal block are provided in the installation chamber 20; the waste removal block 21 is sleeved on the pulling rod 70; when removing waste, the transverse cylinder 71 drives the pulling rod 70 to move toward the punching punch 32 to the front end of the pulling rod 70 to absorb the waste, and then the transverse cylinder 71 drives the pulling rod 70 to retract, and the waste is removed by relying on the waste removal block 21, and the waste will fall into the waste collection box 22;

[0028] Preferably, the pull-out rod 70 is a flat rod with an arc-shaped front end that matches the waste and is equipped with a strong magnet. The width of the front end of the pull-out rod is smaller than the width of the waste. A through hole matching the size of the pull-out rod is provided on the waste removal block 21, so that the pull-out rod can pass through the through hole while the waste will be blocked by the waste removal block 21 and fall into the waste collection box 22. The transverse cylinder 71 preferably uses a cylinder with three strokes.

[0029] Preferably, a second trigger switch 23 for controlling the punching cylinder 33 is provided on the lower mold 2. The second trigger switch 23 is triggered by the upper mold 1 when the mold is closed and delays the control of the ejection and retraction actions of the punching cylinder 33 after being triggered; the control operation is simplified, and the specific delay time can be set according to the specific mold opening and closing time.

[0030] A hybrid molding method for a new energy vehicle battery cover, using the hybrid molding transfer mold for the new energy vehicle battery cover as described above, such as Figure 2 As shown, the method comprises the steps of:

[0031] S01: During processing, the manipulator transfers the workpiece to the profiling positioning block for profiling positioning. The lower end surface of the movable column is kept flush with the lower end surface of the punch for pulling the package, and the position locking unit locks the position of the movable column;

[0032] S02: Then the upper die moves downward, and the overall structure composed of the bag pulling punch and the movable column cooperates with the bag pulling die to perform the bag pulling operation. When the die is fully closed, the bag pulling action is completed. At this time, the position locking unit unlocks the movable column, and the movable column can move along the movable hole;

[0033] S03: The punching cylinder drives the punch upward, and the punch cooperates with the punching die to punch. After the punching is completed, the mold is opened;

[0034] S04: The movable column is reset under the action of the reset spring, and the movable column and the punching punch clamp the punching waste. When the movable column is separated from the punching waste, the punching cylinder drives the punching punch to reset, and the punching waste enters the package drawing die and is removed by the waste removal component;

[0035] By applying the method of the present application, the packing operation and the punching operation of the battery cover can be integrated into a mold of one workstation, thereby improving the processing efficiency.

[0036] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A hybrid molding transfer mold for a new energy vehicle battery cover, characterized in that: The invention comprises an upper die and a lower die; the lower die is provided with a profiling positioning block for profiling and positioning the workpiece; the upper die is provided with a floating pressure block, an elastic reset component for providing elastic force for the floating pressure block and a bag pulling punch for pulling the bag, the floating pressure block is provided with a slot for the bag pulling punch to pass through; the profiling positioning block is embedded with a bag pulling die cooperating with the bag pulling punch, the bottom surface of the bag pulling die is provided with an opening, a punching punch for punching is provided in the opening, and the upper end surface of the punching punch is kept flush with the inner bottom surface of the bag pulling die in the open die state; the lower die is provided with a punching cylinder for driving the punching punch, the bag pulling punch is provided with a punching die cooperating with the punching punch, the bag pulling punch is provided with a movable column for closing the opening of the punching die, a movable hole for longitudinal movement of the movable column, a position locking unit for locking the position of the movable column and a reset spring for resetting the movable column; The position locking unit releases the position lock of the movable column after mold closing, and keeps the position lock of the movable column when the mold is opened, and the lower end surface of the movable column is kept flush with the lower end surface of the bag pulling punch when the mold is opened; a waste removal component for removing punching waste is provided on the bag pulling die.

2. The hybrid molding transfer mold for the new energy vehicle battery cover according to claim 1, characterized in that: The position locking unit includes a locking cylinder embedded in the bag pulling punch, the movable end of the locking cylinder is provided with a clamping head with an arc-shaped front end, the inner wall of the movable hole is provided with a hole for the movement of the clamping head; the outer surface of the movable column is provided with an arc-shaped groove that cooperates with the clamping head.

3. The hybrid molding transfer mold for the new energy vehicle battery cover according to claim 2, characterized in that: A first trigger switch for triggering the operation of the locking cylinder is arranged on the outer surface of the bag pulling punch, and the first trigger switch is triggered by the extrusion of the floating press block when the mold is fully closed.

4. The hybrid molding transfer mold for the new energy vehicle battery cover according to claim 3, characterized in that: An installation groove for installing the first trigger switch and a cover plate covering the installation groove are provided on the outer surface of the pulling punch. The lower end of the cover plate is hinged to the lower edge of the installation groove, and the upper end of the cover plate is connected to the inner wall of the installation groove through a spring. When the cover plate is closed, the first trigger switch is triggered.

5. The hybrid molding transfer mold for the new energy vehicle battery cover according to claim 4, characterized in that: The inner wall of the groove is provided with a positioning groove corresponding to the cover plate, and a wear-resistant block for pressing the cover plate is arranged in the positioning groove.

6. The hybrid molding transfer mold for the new energy vehicle battery cover according to claim 1, characterized in that: The waste removal assembly includes a magnetic pull-out rod and a transverse cylinder for driving the pull-out rod to move transversely, the inner wall of the bag pulling die is provided with a transverse hole for the pull-out rod to move, and the front end face of the pull-out rod is flush with the inner wall of the bag pulling die; the lower die is provided with an installation chamber for installing the transverse cylinder, the installation chamber is connected to the transverse hole and a waste removal block and a waste collection box located directly below the waste removal block are provided in the installation chamber; the waste removal block is sleeved on the pull-out rod.

7. The hybrid molding transfer mold for a new energy vehicle battery cover according to claim 1, characterized in that: The lower die is provided with a second trigger switch for controlling the punching cylinder. The second trigger switch is triggered by the upper die when the die is closed and controls the ejection and retraction actions of the punching cylinder with a delay after being triggered.

8. A hybrid molding method for a new energy vehicle battery cover, using the hybrid molding transfer mold for a new energy vehicle battery cover as described in any one of claims 1 to 7, characterized in that: The method comprises the steps of: During processing, the manipulator transfers the workpiece to the profiling positioning block for profiling positioning. The lower end surface of the movable column is kept flush with the lower end surface of the punch for pulling the package, and the position locking unit locks the position of the movable column. Then the upper die moves downward, and the integral structure composed of the bag pulling punch and the movable column cooperates with the bag pulling die to perform the bag pulling operation. When the die is fully closed, the bag pulling action is completed. At this time, the position locking unit unlocks the movable column, and the movable column can move along the movable hole; The punching cylinder drives the punching punch upward, and the punching punch cooperates with the punching die to punch holes. After the punching is completed, the mold is opened; The movable column is reset under the action of the reset spring, and the movable column and the punching punch clamp the punching waste. When the movable column is separated from the punching waste, the punching cylinder drives the punching punch to reset, and the punching waste enters the bag drawing die and is removed by the waste removing component.

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