Local extrusion device for aluminum alloy rear cover shell

Abstract

The utility model relates to an aluminum alloy rear cover shell local extrusion device which comprises a base, a mounting frame is fixed to the upper surface of the base, a hydraulic cylinder is fixed to the mounting frame, a piston rod of the hydraulic cylinder penetrates through the mounting frame and is in sliding connection with the mounting frame, a mounting base is fixed to the end of the piston rod of the hydraulic cylinder, a fixing groove is formed in the bottom of the mounting base, and an upper mold is arranged at the bottom of the mounting base; a fixing assembly used for fixing the upper mold is installed on the installation base and comprises a fixing block, a fixing rod and a control block, a lower mold is arranged on the upper surface of the base, two symmetrically-arranged fixing plates are slidably connected to the upper surface of the base, and a driving assembly used for driving the two fixing plates to move close to each other is installed on the base. By means of the fixing assembly and the driving assembly, the upper die and the lower die of different specifications can be replaced conveniently, and therefore aluminum alloy rear cover shells of different product shapes and sizes can be machined conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy processing, in particular to a local extrusion device for an aluminum alloy rear cover shell. Background Art

[0002] The aluminum alloy rear cover shell is the shell part with the greatest force in the gearbox assembly, and is crucial to improving the rated input torque of the gearbox. Aluminum alloy is an ideal material for automobile weight reduction due to its light weight, good corrosion resistance, and easy processing. During the processing of the aluminum alloy rear cover shell, the aluminum alloy needs to be partially extruded through an extrusion device.

[0003] The local extrusion device of the aluminum alloy rear cover shell in the prior art is difficult to adjust to different product shapes and sizes. When processing aluminum alloy rear cover shells of different product shapes and sizes, different extrusion devices are required, which increases the production cost. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a local extrusion device for an aluminum alloy rear cover shell.

[0005] The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a local extrusion device for an aluminum alloy rear cover shell, comprising a base, a mounting frame is fixed on the upper surface of the base, a hydraulic cylinder is fixed on the mounting frame, the piston rod of the hydraulic cylinder passes through the mounting frame and is slidably connected, the end of the piston rod of the hydraulic cylinder is fixed with a mounting seat, a fixing groove is opened at the bottom of the mounting seat, an upper mold is arranged at the bottom of the mounting seat, a fixing component for fixing the upper mold is installed on the mounting seat, the fixing component comprises a fixing block fixed to the top of the upper mold and plugged into the fixing groove, a fixing rod simultaneously plugged into the mounting seat and the fixing block, and a control block fixed to one end of the fixing rod away from the fixing block, a lower mold is arranged on the upper surface of the base, two symmetrically arranged fixing plates are slidably connected to the upper surface of the base, and a driving component for driving the two fixing plates to move closer to each other is installed on the base.

[0006] By adopting the above technical scheme, when it is necessary to process aluminum alloy back cover shells of different product shapes and sizes, the staff pulls the fixing rod outward through the control block to disengage the fixing block, thereby removing the upper mold from the mounting seat, inserting the replaced upper mold into the fixing groove through the fixing block, and inserting the fixing rod into the fixing block through the control block to fix the upper mold, and then driving the two fixing plates away from the lower mold through the driving component. After the lower mold is taken out, the replaced lower mold is placed on the base, and the two fixing plates are driven by the driving component to move closer to each other and press against the lower mold, thereby completing the fixation of the lower mold, which is convenient for replacing upper molds and lower molds of different specifications, thereby facilitating the processing of aluminum alloy back cover shells of different product shapes and sizes.

[0007] Furthermore, a sliding groove is provided on the upper surface of the base, and a motor groove is provided on the side wall of the base. The driving assembly includes a slider slidingly connected to the inner wall of the sliding groove, a driving motor fixed to the inner wall of the motor groove, and the output shaft of the driving motor passes through the inner wall of the motor groove and is rotatably connected. The driving assembly also includes a double-headed screw rod that is penetrated and threadedly arranged on the slider, one end of the double-headed screw rod is rotatably connected to the inner wall of the sliding groove, and the other end of the double-headed screw rod is fixed to the end of the output shaft of the driving motor. The double-headed screw rod is provided with two sections of threads with equal pitch and opposite rotation directions. Two sliders are symmetrically arranged, and the two sliders are respectively fixed to the bottoms of two fixed plates, and the two sliders are respectively threadedly connected to the two sections of threads of the double-headed screw rod.

[0008] By adopting the above technical solution, when it is necessary to control the movement of the fixed plate, the staff only needs to drive the double-headed screw to rotate through the driving motor. Since the two sliders are threadedly connected to the two sections of threads on the double-headed screw, and the two sliders are slidingly connected to the inner wall of the sliding groove, the two sliders drive the two fixed plates to move closer or farther from each other, which is convenient for fixing or disassembling the lower mold.

[0009] Furthermore, a mounting groove is formed on the side wall of the mounting seat, a spring is arranged in the mounting groove, one end of the spring is fixed to the side wall of the control block, and the other end of the spring is fixed to the inner wall of the mounting groove.

[0010] By adopting the above technical solution, the control block keeps the fixing rod in an inserted state with the fixing block under the elastic force of the spring, thereby reducing the probability of the fixing rod being separated from the fixing block and causing the upper mold to fall off.

[0011] Furthermore, a yielding portion cooperating with the upper surface of the fixing block is provided at the bottom of the fixing rod.

[0012] By adopting the above technical solution, in the process of inserting the fixing block into the fixing groove, the fixing block cooperates with the giving way portion to squeeze the fixing rod into the mounting seat, eliminating the need for the staff to manually pull the control block when fixing the upper mold, thereby facilitating the rapid fixation of the upper mold.

[0013] Furthermore, anti-slip pads are fixed to the side walls of the two fixing plates on the sides close to each other.

[0014] By adopting the above technical solution, the anti-slip pad is made of rubber material, and its surface has a large friction coefficient. The two fixed plates cooperate with the lower mold and press against the anti-slip pad, which increases the friction between the two fixed plates and the lower mold and further enhances the fixing effect of the lower mold.

[0015] Furthermore, a protective shell is fixed on the upper surface of the base, one side of the protective shell is open, and a protective door for closing the opening of the protective shell is hinged on the side wall of the protective shell.

[0016] By adopting the above technical solution and setting up the protective shell and the protective door, the extrusion device is protected inside, reducing the safety hazards caused by splashing during the extrusion process and improving the overall protection performance of the device.

[0017] Furthermore, the side wall of the base is hinged with a protection plate for closing the notch of the motor slot.

[0018] By adopting the above technical solution, the protection plate protects the drive motor in the motor slot, reducing the probability of external dust and debris entering the motor slot and damaging the drive motor.

[0019] In summary, the utility model has the following beneficial effects:

[0020] 1. In the present application, when it is necessary to process aluminum alloy rear cover shells of different product shapes and sizes, the staff pulls the fixing rod outwards through the control block to disengage the fixing block, thereby removing the upper mold from the mounting seat, inserting the replaced upper mold into the fixing groove through the fixing block, and inserting the fixing rod into the fixing block through the control block, thereby fixing the upper mold, and then driving the two fixing plates away from the lower mold through the driving component. After the lower mold is taken out, the replaced lower mold is placed on the base, and the two fixing plates are driven by the driving component to move closer to each other and press against the lower mold, thereby completing the fixing of the lower mold, which is convenient for replacing upper molds and lower molds of different specifications, thereby facilitating the processing of aluminum alloy rear cover shells of different product shapes and sizes;

[0021] 2. In this application, when it is necessary to control the movement of the fixed plate, the staff only needs to drive the double-headed screw to rotate through the driving motor. Since the two sliders are threadedly connected with the two sections of threads on the double-headed screw, and the two sliders are slidably connected with the inner wall of the sliding groove, the two sliders drive the two fixed plates to move closer to or away from each other, which is convenient for fixing or disassembling the lower mold;

[0022] 3. In the present application, the control block keeps the fixing rod in an inserted state with the fixing block under the elastic force of the spring, thereby reducing the probability of the fixing rod being separated from the fixing block and causing the upper mold to fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0024] Figure 2 It is a schematic cross-sectional structure diagram of an embodiment of the utility model;

[0025] Figure 3 yes Figure 2 A magnified schematic diagram of center A.

[0026] In the figure: 1. base; 101. sliding groove; 102. motor groove; 2. mounting frame; 3. hydraulic cylinder; 4. mounting seat; 41. fixing groove; 42. mounting groove; 5. upper mold; 6. fixing assembly; 61. fixing block; 62. fixing rod; 621. giving way; 63. control block; 64. spring; 7. lower mold; 8. fixing plate; 9. driving assembly; 91. slider; 92. driving motor; 93. double-headed screw; 10. anti-slip pad; 11. protective shell; 12. protective door; 13. protective plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0028] like Figure 1-3 As shown, an embodiment of the present application discloses a local extrusion device for an aluminum alloy rear cover shell, including a base 1, a mounting frame 2, a hydraulic cylinder 3, a mounting seat 4, an upper mold 5, a fixing assembly 6, a lower mold 7, a fixing plate 8 and a driving assembly 9.

[0029] The base 1 is a rectangular parallelepiped structure, with a sliding groove 101 on the upper surface of the base 1, and a motor groove 102 on the side wall of the base 1. The mounting frame 2 is a structure with a U-shaped cross section, and the mounting frame 2 is fixed to the upper surface of the base 1. The hydraulic cylinder 3 is fixed to the upper surface of the mounting frame 2, and the piston rod of the hydraulic cylinder 3 penetrates the mounting frame 2 and is slidably connected. The mounting seat 4 is a rectangular parallelepiped structure, and the mounting seat 4 is fixed to the end of the piston rod of the hydraulic cylinder 3. The bottom of the mounting seat 4 is provided with a fixing groove 41, and the side wall of the mounting seat 4 is provided with a mounting groove 42. The upper mold 5 is an upper mold 5 commonly used in the prior art and suitable for this embodiment, and the upper mold 5 is arranged at the bottom of the mounting seat 4.

[0030] The fixing assembly 6 is installed on the mounting seat 4 and is used to fix the upper mold 5. The fixing assembly 6 includes a fixing block 61, a fixing rod 62, a control block 63 and a spring 64. The fixing block 61 is a rectangular parallelepiped structure, fixed on the top of the upper mold 5, and plugged into the fixing groove 41. The fixing rod 62 is a horizontally arranged rectangular rod-shaped structure, and the fixing rod 62 is plugged into the mounting seat 4 and the fixing block 61 at the same time. The control block 63 is a round block-shaped structure, and the control block 63 is fixed to one end of the fixing rod 62 away from the fixing block 61. The spring 64 is arranged in the mounting groove 42, one end of the spring 64 is fixed to the side wall of the control block 63, and the other end of the spring 64 is fixed to the inner wall of the mounting groove 42.

[0031] The lower mold 7 is a lower mold 7 commonly used in the prior art and suitable for the present embodiment, and the lower mold 7 is arranged on the upper surface of the base 1. The fixed plate 8 is a rectangular plate-like structure, and the fixed plate 8 is slidably connected to the upper surface of the base 1, and two fixed plates 8 are symmetrically arranged. The driving assembly 9 is installed on the base 1, and is used to drive the two fixed plates 8 to move closer to each other. The driving assembly 9 includes a slider 91, a driving motor 92 and a double-headed screw 93. The slider 91 is a rectangular parallelepiped structure, and the slider 91 is slidably connected to the inner wall of the sliding groove 101. There are two sliders 91 symmetrically arranged, and the two sliders 91 are respectively fixed to the bottom of the two fixed plates 8. The driving motor 92 is fixed on the inner wall of the motor groove 102, and the output shaft of the driving motor 92 passes through the inner wall of the motor groove 102 and is rotatably connected. The double-headed screw rod 93 is a horizontally arranged rod-shaped structure. The double-headed screw rod 93 is penetrated and arranged on the slider 91 and is threadedly connected. One end of the double-headed screw rod 93 is rotatably connected to the inner wall of the sliding groove 101, and the other end of the double-headed screw rod 93 is fixed to the output shaft end of the driving motor 92, and the axis of the double-headed screw rod 93 coincides with the axis of the driving motor 92. The double-headed screw rod 93 is provided with two sections of threads with equal pitch and opposite rotation direction, and the two sliders 91 are threadedly connected to the two sections of the threads of the double-headed screw rod 93 respectively.

[0032] When it is necessary to process aluminum alloy rear cover shells of different product shapes and sizes, the staff pulls the fixing rod 62 outward to disengage the fixing block 61 through the control block 63, thereby removing the upper mold 5 from the mounting seat 4, inserting the replaced upper mold 5 into the fixing groove 41 through the fixing block 61, and inserting the fixing rod 62 into the fixing block 61 through the control block 63. The control block 63 keeps the fixing rod 62 connected to the fixing block 61 under the elastic force of the spring 64, reducing the probability of the fixing rod 62 detaching from the fixing block 61 and causing the upper mold 5 to fall, thereby fixing the upper mold 5, and then driving the motor to 92 drives the double-headed screw 93 to rotate. Since the two sliders 91 are threadedly connected to the two sections of threads on the double-headed screw 93, the two sliders 91 are slidingly connected to the inner wall of the sliding groove 101. Therefore, the two sliders 91 drive the two fixed plates 8 to move away from the lower mold 7. After the lower mold 7 is taken out, the replaced lower mold 7 is placed on the base 1, and the two fixed plates 8 are driven to move closer to each other and press against the lower mold 7 by driving the motor 92 in reverse, thereby completing the fixation of the lower mold 7, making it easy to replace the upper mold 5 and the lower mold 7 of different specifications, thereby facilitating the processing of aluminum alloy rear cover shells of different product shapes and sizes.

[0033] In order to facilitate the rapid fixation of the upper mold 5, a yield portion 621 is provided at the bottom of the fixing rod 62 to cooperate with the upper surface of the fixing block 61. When the fixing block 61 is inserted into the fixing groove 41, the fixing block 61 cooperates with the yield portion 621 to squeeze the fixing rod 62 into the mounting seat 4, eliminating the need for the staff to manually pull the control block 63 when fixing the upper mold 5, thereby facilitating the rapid fixation of the upper mold 5.

[0034] In order to further enhance the fixing effect on the lower mold 7, anti-skid pads 10 are fixed to the side walls of the two fixing plates 8 close to each other. The anti-skid pads 10 are made of rubber material and their surface has a large friction coefficient. The two fixing plates 8 cooperate with the lower mold 7 and press against the anti-skid pads 10, thereby increasing the friction between the two fixing plates 8 and the lower mold 7, thereby further enhancing the fixing effect on the lower mold 7.

[0035] In order to improve the overall protection performance of the device, a protective shell 11 is fixed on the upper surface of the base 1. One side of the protective shell 11 is open, and a protective door 12 for closing the opening of the protective shell 11 is hinged on the side wall of the protective shell 11. The setting of the protective shell 11 and the protective door 12 protects the extrusion device inside, reduces the safety hazards caused by splashing during the extrusion process, and thus improves the overall protection performance of the device.

[0036] In order to protect the drive motor 92, the side wall of the base 1 is hinged with a protection plate 13 for closing the slot of the motor slot 102. The protection plate 13 protects the drive motor 92 in the motor slot 102 and reduces the probability of external dust and debris entering the motor slot 102 and damaging the drive motor 92.

[0037] The use principle of a local extrusion device for an aluminum alloy rear cover shell in the present embodiment is as follows: when it is necessary to process aluminum alloy rear cover shells of different product shapes and sizes, the staff pulls the fixing rod 62 outward to disengage the fixing block 61 through the control block 63, thereby removing the upper mold 5 from the mounting seat 4, inserting the replaced upper mold 5 into the fixing groove 41 through the fixing block 61, and inserting the fixing rod 62 into the fixing block 61 through the control block 63. The control block 63 keeps the fixing rod 62 in a plug-in state with the fixing block 61 under the elastic force of the spring 64, thereby reducing the probability of the fixing rod 62 being separated from the fixing block 61 and causing the upper mold 5 to fall, thereby The upper mold 5 is fixed, and then the double-headed screw 93 is driven to rotate by the driving motor 92. Since the two sliders 91 are threadedly connected to the two sections of threads on the double-headed screw 93, the two sliders 91 are slidingly connected to the inner wall of the sliding groove 101, so that the two sliders 91 drive the two fixed plates 8 away from the lower mold 7. After the lower mold 7 is taken out, the replaced lower mold 7 is placed on the base 1, and the driving motor 92 is reversed to drive the two fixed plates 8 to move closer to each other and press against the lower mold 7, thereby completing the fixation of the lower mold 7, which is convenient for replacing upper molds 5 and lower molds 7 of different specifications, thereby facilitating the processing of aluminum alloy rear cover shells of different product shapes and sizes.

[0038] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A local extrusion device for an aluminum alloy rear cover housing, comprising a base (1), characterized in that: A mounting frame (2) is fixed on the upper surface of the base (1), a hydraulic cylinder (3) is fixed on the mounting frame (2), a piston rod of the hydraulic cylinder (3) penetrates the mounting frame (2) and is slidably connected, a mounting seat (4) is fixed at the end of the piston rod of the hydraulic cylinder (3), a fixing groove (41) is provided at the bottom of the mounting seat (4), an upper mold (5) is arranged at the bottom of the mounting seat (4), a fixing component (6) for fixing the upper mold (5) is installed on the mounting seat (4), and the fixing component (6) includes a fixing groove (41) for fixing the upper mold (5) and a fixing groove (41) for fixing the upper mold (5). (5) a fixing block (61) fixed at the top and plugged into the fixing groove (41), a fixing rod (62) plugged into the mounting seat (4) and the fixing block (61), and a control block (63) fixed to one end of the fixing rod (62) away from the fixing block (61), a lower mold (7) being arranged on the upper surface of the base (1), two symmetrically arranged fixing plates (8) being slidably connected to the upper surface of the base (1), and a driving assembly (9) for driving the two fixing plates (8) to move toward each other is installed on the base (1).

2. The local extrusion device for an aluminum alloy rear cover shell according to claim 1, characterized in that: The upper surface of the base (1) is provided with a sliding groove (101), the side wall of the base (1) is provided with a motor groove (102), the driving assembly (9) comprises a slider (91) slidingly connected to the inner wall of the sliding groove (101), and a driving motor (92) fixed to the inner wall of the motor groove (102), the output shaft of the driving motor (92) passes through the inner wall of the motor groove (102) and is rotatably connected, and the driving assembly (9) also comprises a double-headed threaded rod which passes through the slider (91) and is threadedly connected. Rod (93), one end of the double-headed screw rod (93) is rotatably connected to the inner wall of the sliding groove (101), and the other end of the double-headed screw rod (93) is fixed to the output shaft end of the driving motor (92), and the double-headed screw rod (93) is provided with two sections of threads with equal pitch and opposite rotation direction, and the two sliders (91) are symmetrically arranged, and the two sliders (91) are respectively fixed to the bottom of the two fixing plates (8), and the two sliders (91) are respectively threadedly connected to the two sections of the threads of the double-headed screw rod (93).

3. The local extrusion device for an aluminum alloy rear cover shell according to claim 1, characterized in that: The side wall of the mounting seat (4) is provided with a mounting groove (42), a spring (64) is arranged in the mounting groove (42), one end of the spring (64) is fixed to the side wall of the control block (63), and the other end of the spring (64) is fixed to the inner wall of the mounting groove (42).

4. The local extrusion device for an aluminum alloy rear cover shell according to claim 3 is characterized in that: The bottom of the fixing rod (62) is provided with a giving portion (621) which cooperates with the upper surface of the fixing block (61).

5. The local extrusion device for an aluminum alloy rear cover shell according to claim 1, characterized in that: The side walls of the two fixing plates (8) close to each other are both fixed with anti-slip pads (10).

6. The local extrusion device for an aluminum alloy rear cover shell according to claim 1, characterized in that: A protective shell (11) is fixed on the upper surface of the base (1), one side of the protective shell (11) is open, and a protective door (12) for closing the opening of the protective shell (11) is hingedly connected to the side wall of the protective shell (11).

7. The local extrusion device for an aluminum alloy rear cover shell according to claim 2, characterized in that: The side wall of the base (1) is hinged with a protection plate (13) for closing the slot opening of the motor slot (102).

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