Universal clamping device for machining inner ball of welded and bolted differential shell

Abstract

The utility model discloses a universal clamping device for welding and bolting an inner ball of a differential shell, which comprises a bottom plate, the top of the bottom plate is provided with a bearing component for bearing the differential shell, and the bearing component is provided with a positioning component for positioning the differential shell and a clamping component for clamping the differential shell; the universal clamping device is mainly composed of the bottom plate, the bearing assembly, the positioning assembly and the clamping assembly, so that different types of differential shells can achieve rapid wire changing by replacing local parts of the bearing piece, the supporting piece, the positioning assembly and the clamping assembly, and other parts of the universal clamping device can be shared; according to the universal clamping device, the application range of the universal clamping device can be widened, the manufacturing cost can be reduced, the manufacturing efficiency of the universal clamping device is improved, the development period can be shortened, and the overall project progress is prevented from being affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to differential mechanism processing technical field, especially relates to a kind of universal clamping device for welding and bolted differential mechanism shell inner ball processing. BACKGROUND

[0002] Automobile differential mechanism can make left, right (or front, rear) drive wheel realize the mechanism of rotating at different speeds. Mainly by left and right half axle gear, two planetary gears and gear frame are formed. Function is when automobile turns and drives or drives on uneven road, make left and right wheels roll at different speeds, i.e. ensure that both sides drive wheels make pure rolling motion. Differential mechanism is arranged to adjust the speed difference of left and right wheels. When four-wheel drive, in order to drive four wheels, must connect all wheels, if four wheels are mechanically connected together, automobile cannot rotate at the same speed when curve driving, in order to enable automobile curve driving rotation speed to be substantially consistent, when need to add intermediate differential mechanism to adjust the speed difference of front and rear wheels.

[0003] According to the mounting mode of differential mechanism shell, it can be divided into welding type and bolted type. But welding type and bolted type are divided into different types because of car factory, car type, energy use, designer and other factors. According to processing mode and equipment type, different models of fixture need to be prepared, which leads to higher preparation cost, excessive early investment, and further affects enterprise operation status, and long production cycle, thereby affecting overall project progress.

[0004] Therefore, a universal clamping device for welding and bolted differential mechanism shell inner ball processing is proposed. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a universal clamping device for welding and bolted differential mechanism shell inner ball processing, to solve the problems proposed in the above background technology.

[0006] In order to achieve the above purpose, the main technical scheme adopted by the utility model includes:

[0007] A universal clamping device for welding and bolted differential mechanism shell inner ball processing, including bottom plate, its top is equipped with the load-bearing assembly for supporting differential mechanism shell, the load-bearing assembly is equipped with the positioning assembly for positioning differential mechanism shell and the clamping assembly for clamping differential mechanism shell on it;

[0008] The bearing assembly comprises a transition plate fixedly connected to the top of the bottom plate, two fixed seats A and B are fixedly connected to the top of the transition plate on both sides, a supporting piece for supporting the end of the differential case is arranged on the top of the fixed seat A and the fixed seat B, a supporting piece for supporting the bottom of the differential case is arranged on the top of the transition plate, the positioning assembly is arranged on the fixed seat A, and one clamping assembly is arranged on the fixed seat A and the fixed seat B.

[0009] As a preferred technical scheme, the supporting piece comprises a supporting block, and a mounting groove is formed in the side of the two supporting blocks facing each other, and a rubber pad is fixedly connected in the inner cavity of the mounting groove.

[0010] As a preferred technical scheme, the top of the fixed seat A and the fixed seat B is provided with an embedded groove, and the supporting block is detachably connected in the corresponding embedded groove through bolts.

[0011] As a preferred technical scheme, the supporting piece comprises a supporting block, and a mounting groove is formed in the side of the two supporting blocks facing each other, and a rubber pad is fixedly connected in the inner cavity of the mounting groove.

[0012] As a preferred technical scheme, the bottom of the supporting block is fixedly connected with a supporting rod on both sides, and the bottom of the supporting rod is slidably penetrated into the inside of the supporting seat.

[0013] As a preferred technical scheme, the positioning assembly comprises a cylinder B mounted on the side of the fixed seat A away from the fixed seat B, the output end of the cylinder B is movably penetrated to the other side of the fixed seat A and rotatably connected with a pressing plate, the two sides of the pressing plate are rotatably connected with a connecting plate, a convex block is rotatably connected between the two connecting plates, the convex block is integrally formed with the surface of the fixed seat A, a positioning block is arranged above the convex block and opposite to the pressing plate, and the positioning block is detachably connected to one side of the corresponding supporting block through bolts.

[0014] As a preferred technical scheme, the clamping assembly comprises a cylinder C embedded in the inside of the fixed seat A, the output end of the cylinder C is fixedly connected with a connecting block, a baffle is mounted on the top of the connecting block, a clamping plate is detachably connected between the baffle and the connecting block through bolts, the clamping plate is one-to-one corresponding to the rubber pad, and the clamping plate is located directly above the rubber pad.

[0015] Preferably, the top of the supporting block, the top of the rubber pad and the bottom of the clamping plate are respectively provided with an arc-shaped groove, and the arc-shaped groove on the rubber pad and the arc-shaped groove on the clamping assembly form a clamping cavity.

[0016] The utility model at least has following beneficial effects:

[0017] The application is mainly composed of a bottom plate, a bearing assembly, a positioning assembly and a clamping assembly, so that different types of differential shell can realize rapid line changing by replacing local parts of the supporting piece, the supporting piece, the positioning assembly and the clamping assembly, other parts of the universal clamping device can be shared, the application range of the universal clamping device can be improved, the preparation cost can be reduced, the manufacturing efficiency of the universal clamping device can be improved, the development cycle can be shortened, and the overall project progress can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a working state structure perspective view of the universal clamping device for welding and bolted differential shell inner ball machining of the utility model;

[0019] Figure 2 It is a structure perspective view of the universal clamping device for welding and bolted differential shell inner ball machining of the utility model;

[0020] Figure 3 It is a structure perspective view of the fixed seat A, the positioning assembly and the clamping assembly of the universal clamping device for welding and bolted differential shell inner ball machining of the utility model;

[0021] Figure 4 It is a structure perspective view of the fixed seat B, the supporting piece and the clamping assembly of the universal clamping device for welding and bolted differential shell inner ball machining of the utility model;

[0022] Figure 5 It is a structure perspective explosion view of the fixed seat A and the clamping assembly of the universal clamping device for welding and bolted differential shell inner ball machining of the utility model.

[0023] In the drawing: 100, bottom plate; 200, bearing assembly; 210, transition plate; 220, fixed seat A; 230, fixed seat B; 240, supporting piece; 241, supporting block; 242, mounting groove; 243, rubber pad; 250, supporting piece; 251, supporting seat; 252, air cylinder A; 253, supporting block; 254, abutting block; 255, supporting rod; 260, embedded groove; 300, positioning assembly; 310, air cylinder B; 320, pressing plate; 330, connecting plate; 340, protruding block; 350, positioning block; 400, clamping assembly; 410, air cylinder C; 420, connecting block; 430, baffle; 440, clamping plate; 500, arc-shaped groove. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figures 1-5 The embodiment of the present application provides a universal clamping device for welding and bolting differential housing inner ball machining, which comprises a bottom plate 100, a bearing assembly 200 for supporting the differential housing, a positioning assembly 300 for positioning the differential housing, and a clamping assembly 400 for clamping the differential housing. The bearing assembly 200 is arranged on the top of the bottom plate 100, and the positioning assembly 300 and the clamping assembly 400 are both arranged on the bearing assembly 200. The bearing assembly 200 comprises a transition plate 210 fixedly connected to the top of the bottom plate 100, and two fixed seats A 220 and B 230 are fixedly connected to the top of the transition plate 210 on both sides, respectively. The top of each fixed seat A 220 and B 230 is provided with a supporting piece 240 for supporting the end of the differential housing. The top of the transition plate 210 is provided with a supporting piece 250 for supporting the bottom of the differential housing. The positioning assembly 300 is arranged on the fixed seat A 220, and the clamping assembly 400 is arranged on each of the fixed seat A 220 and the fixed seat B 230, and the clamping assembly 400 is arranged in one-to-one correspondence with the supporting piece 240.

[0026] The supporting piece 240 comprises a supporting block 241, and the opposite side of each supporting block 241 is provided with a mounting groove 242. The inner cavity of the mounting groove 242 is fixedly connected with a rubber pad 243, and the top surface of the rubber pad 243 is higher than the top surface of the supporting block 241. The rubber pad 243 can increase the friction between the differential housing and the supporting block 241, which helps to improve the supporting stability of the supporting piece 240, and also plays a buffering role to avoid impact damage to the differential housing caused by the clamping force of the clamping assembly 400.

[0027] The top of each fixed seat A 220 and B 230 is provided with an embedded groove 260, and the supporting block 241 is detachably connected in the corresponding embedded groove 260 by bolts. The embedded groove 260 can limit the supporting block 241, so as to facilitate the bolt hole operation between the supporting block 241 and the fixed seat A 220, and between the supporting block 241 and the fixed seat B 230. Meanwhile, the bolts are used for convenient disassembly and replacement of the supporting piece 240 in the later stage.

[0028] The support piece 250 comprises a support base 251 mounted on the top of the transition plate 210, the support base 251 is located between the fixed seat A 220 and the fixed seat B 230 and is in contact with one side of the fixed seat B 230, the inside of the support base 251 is embedded with a cylinder A 252, the output end of the cylinder A 252 is fixedly connected with a support block 253, the top of the support block 253 is detachably connected with an abutting block 254 through bolts, by starting the cylinder A 252, the output end of the cylinder A 252 can drive the support block 253 and the abutting block 254 to move upwards, so that the abutting block 254 can abut against the bottom of the differential housing, avoiding the rotation of the differential housing, which helps to improve the supporting stability of the supporting piece 240, and the height of the abutting block 254 can be adjusted according to the type of the differential housing, so as to improve the application range of the abutting block 254, and the bolts are used for convenient disassembly and replacement of the abutting block 254.

[0029] The bottom of the support block 253 is fixedly connected with a support rod 255 on both sides, the bottom of the support rod 255 is slidingly penetrated into the inside of the support base 251, when the support block 253 moves up and down, the support rod 255 can be driven to move up and down in the inside of the support base 251, thereby guiding the support block 253 to move up and down stably.

[0030] The positioning assembly 300 comprises a cylinder B 310 mounted on the side of the fixed seat A 220 away from the fixed seat B 230, the output end of the cylinder B 310 is movably penetrated into the other side of the fixed seat A 220 and is rotatably connected with a pressing plate 320 through a rotating shaft, both sides of the pressing plate 320 are rotatably connected with a connecting plate 330 through a rotating shaft, two connecting plates 330 are rotatably connected with a protruding block 340 through a rotating shaft, the protruding block 340 is integrally formed with the surface of the fixed seat A 220, the upper side of the protruding block 340 is provided with a positioning block 350 opposite to the pressing plate 320, the positioning block 350 is detachably connected with one side of the corresponding supporting block 241 through bolts, by starting the cylinder B 310, the output end of the cylinder B 310 can drive the pressing plate 320 and the connecting plate 330 to rotate, so that the top of the pressing plate 320 is close to or away from the positioning block 350, the pressing plate 320 is operated to be tensioned, so as to clamp the flange of the differential housing, effectively limiting the movement of the differential housing along the X axis, and the bolts are used for convenient disassembly and replacement of the positioning block 350.

[0031] The clamping assembly 400 comprises a cylinder C410 embedded in the fixed seat A220, the output end of the cylinder C410 is fixedly connected with a connecting block 420, the top of the connecting block 420 is provided with a baffle 430, the baffle 430 and the connecting block 420 are detachably connected by bolts, the baffle 430 and the connecting block 420 are one-to-one correspondingly provided with a clamping plate 440, the clamping plate 440 is located above the rubber pad 243, the cylinder C410 is started, the output end of the cylinder C410 drives the connecting block 420, the baffle 430 and the clamping plate 440 to move downward, so that the clamping plate 440 can press the differential housing supported by the supporting piece 240 to perform the pressing operation, so as to clamp the end of the differential housing, effectively limit the movement of the differential housing along the Y-axis direction, and the bolts are used for disassembling and replacing the clamping plate 440 later.

[0032] The top of the supporting block 241, the top of the rubber pad 243 and the bottom of the clamping plate 440 are respectively provided with an arc-shaped groove 500, the arc-shaped groove 500 on the rubber pad 243 and the arc-shaped groove 500 on the clamping assembly 400 form a clamping cavity, the arc-shaped groove 500 can ensure that the end of the differential housing is in full contact with the rubber pad 243 and the clamping plate 440, effectively limits the movement of the differential housing along the Z-axis direction, thereby improving the clamping stability of the differential housing.

[0033] The utility model discloses a working principle is: starting cylinder A 252, the output end of cylinder A 252 drives support block 253, the block 254 and support rod 255 synchronous upward or downward movement, and support rod 255 slides in the inner chamber of support seat 251, and according to the type of differential shell will the block 254 adjust to proper position, the two ends of differential shell are placed in the arc groove 500 inner chamber on two rubber pads 243 respectively, and the bottom of differential shell is placed in the bottom of the block 254, to realize the location work of differential shell to the differential shell flange is placed between the pressing plate 320 and the positioning block 350, and starting cylinder B 310 makes the output end of cylinder B 310 drive pressing plate 320 and connecting plate 330 rotate, and the top end of pressing plate 320 gradually approaches positioning block 350 until the maximum limit, that is, can cooperate with the positioning block 350 and hold the flange of differential shell and restrict differential shell along X axle direction movement, to realize the positioning work of differential shell, starting cylinder A 252, the output end of cylinder A 252 drives support block 253, the block 254 and support rod 255 synchronous upward movement until the maximum limit, that is, can make the block 254 butt joint in the bottom of differential shell, to realize the auxiliary positioning work of differential shell, starting cylinder C 410, the output end of cylinder C 410 drives connecting block 420, baffle 430 and clamping plate 440 downward movement until the maximum limit, that is, can cooperate rubber pad 243 and hold the end of differential shell, and restrict differential shell along Y, Z axle direction movement, to realize the clamping work of differential shell, so as to facilitate subsequent welding or bolted work of differential shell.

[0034] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A universal clamping device for machining the inner ball of a differential housing, characterized in that, Includes a base plate (100), the top of which is provided with a support assembly (200) for supporting the differential housing, the support assembly (200) being provided with a positioning assembly (300) for positioning the differential housing and a clamping assembly (400) for clamping the differential housing. The supporting component (200) includes a transition plate (210) fixedly connected to the top of the base plate (100). Fixed seats A (220) and B (230) are fixedly connected to the two sides of the top of the transition plate (210). The top of both fixed seats A (220) and B (230) is provided with a support member (240) for supporting the end of the differential housing. The top of the transition plate (210) is provided with a support member (250) for supporting the bottom of the differential housing. The positioning component (300) is provided on the fixed seat A (220). The clamping component (400) is provided on both the fixed seat A (220) and the fixed seat B (230), and the clamping component (400) and the support member (240) are arranged in a one-to-one correspondence.

2. The universal clamping device for machining the inner ball of a differential housing according to claim 1, characterized in that: The support member (240) includes a support block (241), and each of the two support blocks (241) has an installation groove (242) on one side facing each other. A rubber pad (243) is fixedly connected to the inner cavity of the installation groove (242), and the top surface of the rubber pad (243) is higher than the top surface of the support block (241).

3. The universal clamping device for machining the inner ball of a differential housing according to claim 2, characterized in that: The top of the fixed base A (220) and the fixed base B (230) are respectively provided with an insert groove (260), and the support block (241) is detachably connected to the corresponding insert groove (260) by bolts.

4. The universal clamping device for machining the inner ball of a differential housing according to claim 1, characterized in that: The support member (250) includes a support base (251) installed on the top of the transition plate (210). The support base (251) is located between the fixed base A (220) and the fixed base B (230) and contacts one side of the fixed base B (230). A cylinder A (252) is embedded inside the support base (251). A support block (253) is fixedly connected to the output end of the cylinder A (252). A stop block (254) is detachably connected to the top of the support block (253) by bolts.

5. The universal clamping device for machining the inner ball of a differential housing according to claim 4, characterized in that: A support rod (255) is fixedly connected to both sides of the bottom of the support block (253), and the bottom of the support rod (255) slides through into the interior of the support base (251).

6. The universal clamping device for machining the inner ball of a differential housing according to claim 2, characterized in that: The positioning component (300) includes a cylinder B (310) installed on the side of the fixed base A (220) away from the fixed base B (230). The output end of the cylinder B (310) extends movably through to the other side of the fixed base A (220) and is rotatably connected to a pressure plate (320). A connecting plate (330) is rotatably connected to both sides of the pressure plate (320). A protrusion (340) is rotatably connected between the two connecting plates (330). The protrusion (340) is integrally formed with the surface of the fixed base A (220). A positioning block (350) is provided above the protrusion (340) and is arranged opposite to the pressure plate (320). The positioning block (350) is detachably connected to one side of the corresponding support block (241) by bolts.

7. The universal clamping device for machining the inner ball of a differential housing according to claim 2, characterized in that: The clamping assembly (400) includes a cylinder C (410) embedded in the fixed base A (220). The output end of the cylinder C (410) is fixedly connected to a connecting block (420). A baffle (430) is installed on the top of the connecting block (420). The baffle (430) and the connecting block (420) are detachably connected by bolts to a clamping plate (440). The clamping plate (440) and the rubber pad (243) are arranged in a one-to-one correspondence, and the clamping plate (440) is located directly above the rubber pad (243).

8. The universal clamping device for machining the inner ball of a differential housing according to claim 7, characterized in that: An arc-shaped groove (500) is provided on the top of the support block (241), the top of the rubber pad (243), and the bottom of the clamping plate (440). The arc-shaped groove (500) on the rubber pad (243) and the arc-shaped groove (500) on the clamping assembly (400) form a clamping cavity.

Images