Positioning device for processing axle housing of driving rear axle
By using a bidirectional screw-driven L-shaped bracket for synchronous adjustment and an automatic waste removal design, the problems of uneven clamping and motion interference in the existing device are solved, improving the precision and safety of rear axle housing machining and improving the working environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-03-24
AI Technical Summary
The existing rear axle housing machining device cannot achieve bidirectional synchronous adjustment, resulting in uneven clamping. Furthermore, the clamping components may interfere with the machining mechanism, affecting machining accuracy and equipment safety.
The L-shaped bracket is driven by a two-way screw to achieve bidirectional synchronous adjustment, and the synchronous rotation of the two-way screw is achieved by a motor driving the synchronous pulley. Combined with the design of V-shaped chuck, push plate and waste discharge trough, automatic cleaning of waste material is achieved.
Ensure uniform clamping force on the rear axle housing, improve machining accuracy and product qualification rate, avoid motion interference, and enhance equipment safety and cleaning efficiency.
Smart Images

Figure CN224027046U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rear axle housing machining technical field, concretely is a kind of positioning device for driving rear axle housing machining. BACKGROUND
[0002] Rear axle housing is the main load-bearing structure of automobile rear axle, usually made of high-strength cast iron, cast steel or stamping welded steel plate, differential, half shaft and other transmission components are installed inside, connected with wheel and suspension system outside, positioning device is needed when rear axle housing is machined.
[0003] As disclosed in the authorized announcement No.CN216504694U, a kind of positioning device for driving rear axle housing machining, it includes operation table, the lower end of operation table is fixedly installed with support frame, the upper end rear of operation table is fixedly installed with two support plates, and two support plates are arranged front and back, the upper end right side of two support plates is fixedly installed with the first clamping mechanism for driving rear axle housing fixed, the upper end left side of two support plates is all opened with sliding slot. After adopting the above technical scheme, the utility model has the beneficial effects that: compact structure, stable transmission, can be quickly clamped and fixed to driving rear axle housing, fixed firmly, and different lengths of driving rear axle housing can be fixed, adjustment is accurate and efficient, wide range of use, can be widely used.
[0004] Although the above-mentioned patent can fix different lengths of driving rear axle housing, the position of the first clamping mechanism is fixed, and the distance can only be adjusted by moving the second clamping mechanism, which cannot realize bidirectional synchronous adjustment, resulting in uneven stress of the rear axle housing during clamping, and when the second clamping mechanism moves to the middle of the working position along the sliding slot, the structural components may interfere with the machining mechanism directly above. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a kind of positioning device for driving rear axle housing machining to solve the problems raised in the above background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A kind of positioning device for driving rear axle housing machining, comprising
[0008] Frame, the top of the frame is fixedly installed with transmission shell one at both ends, L-shaped support is movably installed on both sides of the transmission shell one, and distance adjusting mechanism is arranged between the transmission shell one and L-shaped support;
[0009] Transmission shell two is fixedly installed between the upper ends of the two L-shaped supports, V-shaped chuck is movably installed on both sides of the top end of the transmission shell two, and clamping mechanism is arranged between the V-shaped chuck and transmission shell two.
[0010] Preferably, the distance adjusting mechanism comprises a bidirectional screw rod one, the bidirectional screw rod one is movably installed in the transmission shell one through a bearing, and the two ends of the bidirectional screw rod one are both fixedly connected with movable blocks one.
[0011] Preferably, the distance adjusting mechanism further comprises a transmission shell three, the transmission shell three is fixedly installed between the right sides of the two transmission shell ones, a motor is fixedly installed on the front left side of the transmission shell three, synchronous pulleys are fixedly installed at the inner ends of the two bidirectional screw rods one, the two synchronous pulleys are engaged through a synchronous belt body, and the output shaft of the motor is fixedly connected with the left synchronous pulley.
[0012] Preferably, the clamping mechanism comprises a bidirectional screw rod two, the bidirectional screw rod two is movably installed in the transmission shell two through a bearing, the two ends of the bidirectional screw rod two are both fixedly connected with movable blocks two, the top end of the movable blocks two is fixedly connected with a V-shaped chuck, a transverse crank handle is movably installed on the upper end of the left L-shaped support through a bearing, and the output shaft of the crank handle is coaxially connected with the bidirectional screw rod two.
[0013] Preferably, a waste discharge groove is formed in the middle of the rack, and a waste hopper is fixedly installed at the bottom middle of the waste discharge groove.
[0014] Preferably, a material pushing plate is fixedly installed at the bottom end of the transmission shell two, and the lower end surface of the material pushing plate is slidably connected with the upper end surface of the rack.
[0015] Compared with the prior art, the positioning device has the advantages that:
[0016] 1. The positioning device for driving rear axle housing machining is driven by the motor, the bidirectional screw rod one drives the two L-shaped supports to realize bidirectional synchronous adjustment, ensures that the rear axle housing is uniformly stressed during clamping, effectively avoids the problem of uneven stress caused by unilateral adjustment, significantly improves the machining precision and product qualification rate, avoids the problem that the unilateral clamping component moves to the middle of the working position and interferes with the upper machining mechanism in the prior art, and greatly improves the safety and reliability of the equipment.
[0017] 2. The positioning device for driving rear axle housing machining realizes staged automatic cleaning of machining waste through the cooperation of the material pushing plate and the waste discharge groove, collects most of the waste through gravity, and then removes the surface residues through mechanical pushing, so that the cleaning efficiency is improved, and the working environment is significantly improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole front view structural schematic diagram of the utility model;
[0019] Figure 2The synchronous pulley installation schematic diagram of the utility model;
[0020] Figure 3 The utility model discloses a Figure 1 The enlarged schematic diagram of B in the middle;
[0021] Figure 4 The utility model discloses a Figure 1 The enlarged schematic diagram of B in the middle.
[0022] In the drawing: 1, frame; 2, transmission shell one; 3, L type support; 4, transmission shell two; 5, V type chuck; 6, bidirectional screw rod one; 7, movable block one; 8, transmission shell three; 9, motor; 10, synchronous pulley; 11, bidirectional screw rod two; 12, movable block two; 13, rocking handle; 14, waste slot; 15, waste hopper; 16, push plate. Specific embodiments
[0023] The technical schemes in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] As Figures 1-4 The utility model provides a technical scheme:
[0025] The utility model provides a kind of positioning device for driving rear axle housing machining, including rack 1, the top of rack 1 both ends are fixedly installed with transmission shell one 2, the both sides of transmission shell one 2 are movably installed with L-shaped support 3, distance adjusting mechanism is arranged between transmission shell one 2 and L-shaped support 3, distance adjusting mechanism includes bidirectional screw rod one 6, bidirectional screw rod one 6 is movably installed in the inside of transmission shell one 2 by bearing, the both ends of bidirectional screw rod one 6 are threadedly connected with movable block one 7, movable block one 7 is fixedly connected L-shaped support 3 outside and penetrates transmission shell one 2, distance adjusting mechanism further includes transmission shell three 8, transmission shell three 8 is fixedly installed between the right side of two transmission shell one 2, motor 9 is fixedly installed on the front left side of transmission shell three 8, two synchronous pulleys 10 are fixedly installed at the inside end of transmission shell three 8 of two bidirectional screw rod one 6, two synchronous pulleys 10 are engaged by synchronous belt body, the output shaft of motor 9 is fixedly connected left synchronous pulley 10, waste slot 14 is set in the middle of rack 1, waste hopper 15 is fixedly installed at the bottom end of waste slot 14, pusher plate 16 is fixedly installed at the bottom end of transmission shell two 4, the lower end surface of pusher plate 16 is slidably connected with the upper end surface of rack 1, transmission shell two 4 is fixedly installed between the upper end of two L-shaped supports 3, V-shaped chuck 5 is movably installed at the top end of both sides of transmission shell two 4, clamping mechanism is arranged between V-shaped chuck 5 and transmission shell two 4, clamping mechanism includes bidirectional screw rod two 11, bidirectional screw rod two 11 is movably installed in the inside of transmission shell two 4 by bearing, the both ends of bidirectional screw rod two 11 are threadedly connected with movable block two 12, the top of movable block two 12 is fixedly connected V-shaped chuck 5, the upper end of left L-shaped support 3 is movably installed with transverse rocking handle 13 by bearing, the output shaft of rocking handle 13 is coaxially connected with bidirectional screw rod two 11;
[0026] In the embodiment, the motor 9 drives the bidirectional screw rod one 6 to drive the two L-shaped supports 3 to realize bidirectional synchronous adjustment, ensuring that the rear axle housing is uniformly stressed during clamping, effectively avoiding the uneven stress problem caused by unilateral adjustment, significantly improving the processing precision and product qualification rate, and avoiding the problem of motion interference between the unilateral clamping component and the upper machining mechanism when moving to the middle of the working position, greatly improving the safety and reliability of the equipment.
[0027] Further, through the cooperation of pusher plate 16 and waste slot 14, the staged automatic cleaning of machining waste is realized, most of the waste is collected by gravity first, and the surface residues are removed by mechanical pushing, the cleaning efficiency is improved, and the working environment is significantly improved.
[0028] Working principle: when the rear axle housing needs to be clamped and positioned, first start the motor 9 to drive the left side synchronous pulley 10 to rotate, drive the two synchronous pulleys 10 to rotate synchronously through the synchronous belt body, so that the two bidirectional screw rods 6 rotate synchronously in the transmission shell 2, the rotation of the bidirectional screw rod 6 drives the two movable blocks 7 to move towards or away from each other, the movable block 7 pushes the L-shaped support 3 to move synchronously, realizes the adjustment of the interval of the L-shaped support 3 to adapt to the rear axle housing of different lengths; when the interval of the L-shaped support 3 is adjusted in place, manually rotate the handle 13 to drive the bidirectional screw rod 11 to rotate, the rotation of the bidirectional screw rod 11 drives the two movable blocks 12 to move towards each other, the movable block 12 drives the V-shaped chuck 5 to move towards the center to clamp the rear axle housing, and the positioning of the rear axle housing is completed; in the machining process, the waste generated by cutting directly falls into the waste hopper 15 below through the waste discharge groove 14 on the upper end surface of the rack 1 for preliminary collection, after the rear axle housing is machined and removed, the operator controls the two push plates 16 to move towards each other, the push plate 16 slides along the upper end surface of the rack 1 and pushes the debris and waste remaining on the surface of the machining area to the middle waste discharge groove 14, so that the residual waste is pushed into the waste discharge groove 14 and then falls into the waste hopper 15, so as to ensure the thorough cleaning of the working surface of the rack 1.
[0029] The basic principle, main characteristics and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A positioning device for machining the rear axle housing, characterized in that: include A frame (1) is provided with a transmission housing (2) fixedly installed at both ends of the top of the frame (1). An L-shaped bracket (3) is movably installed on both sides of the transmission housing (2). An adjustment mechanism is provided between the transmission housing (2) and the L-shaped bracket (3). A transmission housing 2 (4) is fixedly installed between the upper ends of the two L-shaped brackets (3). V-shaped clamps (5) are movably installed on both sides of the top of the transmission housing 2 (4). A clamping mechanism is provided between the V-shaped clamps (5) and the transmission housing 2 (4).
2. The positioning device for machining the rear axle housing according to claim 1, characterized in that: The adjusting mechanism includes a bidirectional lead screw (6), which is movably installed inside the transmission housing (2) via bearings. Both ends of the bidirectional lead screw (6) are threadedly connected to movable blocks (7), and the outer side of the movable blocks (7) passes through the transmission housing (2) and is fixedly connected to an L-shaped bracket (3).
3. The positioning device for machining the rear axle housing according to claim 2, characterized in that: The adjusting mechanism also includes a transmission housing three (8), which is fixedly installed between the right sides of the two transmission housings one (2). A motor (9) is fixedly installed on the left side of the front of the transmission housing three (8). One end of the two bidirectional lead screws one (6) is fixedly installed with a synchronous pulley (10) inside the transmission housing three (8). The two synchronous pulleys (10) mesh through the synchronous belt body. The output shaft of the motor (9) is fixedly connected to the left synchronous pulley (10).
4. The positioning device for machining a rear axle housing according to claim 1, characterized in that: The clamping mechanism includes a two-way lead screw (11), which is movably mounted inside the transmission housing (4) via bearings. Both ends of the two-way lead screw (11) are threadedly connected to movable blocks (12). The top of the movable blocks (12) is fixedly connected to a V-shaped chuck (5). The upper end of the L-shaped bracket (3) on the left side is movably mounted with a horizontal crank handle (13) via bearings. The output shaft of the crank handle (13) is coaxially connected to the two-way lead screw (11).
5. A positioning device for machining a rear axle housing according to claim 1, characterized in that: A waste discharge trough (14) is provided in the middle of the frame (1), and a waste hopper (15) is fixedly installed at the bottom center of the waste discharge trough (14).
6. The positioning device for machining a rear axle housing according to claim 1, characterized in that: A pusher plate (16) is fixedly installed at the bottom end of the transmission housing (4), and the lower end face of the pusher plate (16) is slidably connected to the upper end face of the frame (1).
Citation Information
Patent Citations
Positioning device for processing axle housing of driving rear axle
CN216504694U