Automobile door assembly fixture
By designing fixed arms that can adjust the position and angle and a car door assembly fixture combining hydraulic pliers and vacuum suction cups, the problem that special fixtures in the prior art are not universal is solved, and efficient and stable clamping of different models of doors is achieved.
Patent Information
- Application Number
- CN202421486100.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-26
AI Technical Summary
During the assembly process of existing car doors, special fixtures are not universal, resulting in the need to develop a variety of special fixtures, which are costly and cumbersome assembled, which is time-consuming and labor-consuming.
Design a car door assembly fixture, adopting multiple fixed arms that can adjust positions and angles, combined with hydraulic clamps and vacuum suction cups, to achieve stable clamping of different models of doors and avoid the need to replace the fixture.
It realizes universal clamping of doors of different models, improves assembly efficiency and stability, and reduces cost and assembly time.
Smart Images

Figure CN222680763U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of automobile assembly, in particular to an automobile door assembly fixture. Background Art
[0002] During the assembly and debugging of automobile doors, a variety of special fixtures for assembling specific models are generally used, which cannot meet the universal use of different models. The assembly of new models requires the development of special assembly fixtures again, which is more costly. In addition, during an assembly process, it is often necessary to replace multiple fixtures to clamp the car doors. The assembly process is more cumbersome and time-consuming. Utility Model Content
[0003] The utility model aims to provide an automobile door assembly fixture, which solves the problems that special fixtures cannot be used universally and that the fixtures need to be replaced multiple times during a single assembly process, which is cumbersome, time-consuming and labor-intensive.
[0004] The embodiments of the present invention are implemented by the following technical solutions:
[0005] An automobile door assembly fixture, comprising:
[0006] Main frame;
[0007] A plurality of fixed arms, which are slidably mounted on the main frame, and include a sliding block, a connecting rod, a mounting block, a hydraulic clamp and a vacuum suction cup; one end of the connecting rod is hinged on the sliding block, and the other end is hinged on the mounting block; the hydraulic clamp is mounted on one side of the mounting block; and the vacuum suction cup is mounted on the other side of the mounting block;
[0008] A plurality of driving parts are arranged on the main frame and connected to the sliding block, and are used for driving the fixed arm to move.
[0009] The main frame comprises a crossbeam and two upright posts; the upright posts are placed vertically, and the crossbeam is placed horizontally; the top ends of the two upright posts are respectively connected to the two ends of the crossbeam.
[0010] The driving part is arranged beside the cross beam and the two columns, and comprises a screw rod and a positioning rod; the screw rod is parallel to the positioning rod, and both ends of the screw rod are respectively fixed beside the cross beam and the two columns.
[0011] The sliding block is provided with a screw motor and a positioning through hole; the screw rod cooperates and passes through the screw motor to drive the sliding block to move along the screw rod; the positioning rod passes through the positioning through hole.
[0012] The hinged joints between the connecting rod and the sliding block and the mounting block are respectively provided with hinged positioning devices; the hinged positioning devices are used to fix the relative positions of the connecting rod, the sliding block and the mounting block respectively.
[0013] The main frame is also provided with a back plate and two first bottom plates; the two ends of the back plate are respectively connected to the two upright posts; the two first bottom plates are respectively arranged at the bottom ends of the two upright posts.
[0014] A lifting seat is also provided, comprising a second bottom plate, a lifting column and a mounting plate; the fixed end of the lifting column is arranged on the second bottom plate; the mounting plate is arranged on the movable end of the lifting column and connected to the back plate.
[0015] A plurality of rollers are also provided at the bottom of the first bottom plate and the second bottom plate.
[0016] The connecting rod is a telescopic rod.
[0017] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:
[0018] The utility model discloses an automobile door assembly clamp, which adopts a plurality of fixing arms to fix the automobile door, thereby improving the stability of the device in clamping the automobile door; the plurality of fixing arms movable along the main frame, the positions and fixing angles of which can be adjusted, can fix and clamp automobile doors of different models, thereby avoiding the problem that special clamps cannot be used universally; the fixing arms are also provided with two clamping tools, a hydraulic clamp and a vacuum suction cup, and when performing different assembly processes, the clamping method can be adjusted in real time by changing the clamping tools, without replacing the entire clamp, thereby further improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 Yes Figure 1 Enlarged view of point A in the middle;
[0021] Figure 3 Yes Figure 2 Schematic diagram of the cross section at point B;
[0022] Figure 4 Yes Figure 2 A partial cross-sectional schematic diagram of the middle hinged positioning device;
[0023] Figure 5 It is a structural schematic diagram of the connecting rod;
[0024] Figure 6 It is a schematic diagram of one side of the whole of the utility model;
[0025] Figure 7 It is a structural diagram of the lifting seat.
[0026] In the figure, 101-beam, 102-column, 103-first base plate, 104-roller, 105-back plate, 201-screw, 202-positioning rod, 3-fixed arm, 301-sliding block, 302-hinge positioning device, 3021-outer cylinder, 3022-sliding hole, 3023-retaining ring, 3024-first spring, 3025-sliding column, 3026-first positioning tooth, 3027-pressing column, 3028-movable card block, 3029-second spring, 303-telescopic rod, 3031-second positioning tooth, 304-mounting block, 305-hydraulic clamp, 306-vacuum suction cup, 401-second base plate, 402-lifting column, 403-mounting plate. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] like Figure 1 As shown, a car door assembly fixture includes a main frame, 6 fixed arms 3, 4 driving parts and a lifting seat; the 4 driving parts are arranged on the main frame, and are used to drive the fixed arms 3 to move; the 6 fixed arms 3 are slidably arranged on the 4 driving parts respectively; the lifting seat is connected to the main frame.
[0030] like Figure 1 and 6 As shown, the main frame includes a crossbeam 101, two columns 102, a back plate 105, two first bottom plates 103 and 8 rollers 104; the columns 102 are placed vertically, and the crossbeam 101 is placed horizontally; the top ends of the two columns 102 are respectively connected to the two ends of the crossbeam 101; the two first bottom plates 103 are respectively arranged horizontally at the bottom ends of the two columns 102; the two ends of the back plate 105 are respectively connected to the two columns 102; and the 8 rollers 104 are respectively arranged at the four corners of the bottom surfaces of the two first bottom plates 103.
[0031] like Figure 1As shown, there are four driving parts, one of which is horizontally arranged above the crossbeam 101, the other two are vertically arranged on both sides of the two columns 102, one is horizontally arranged between the two columns 102, and the two ends are respectively arranged on the two columns 102; the driving part includes a screw rod 201 and a positioning rod 202; the screw rod 201 and the positioning rod 202 are parallel, and the two ends are respectively fixed on the crossbeam 101 and the two columns 102;
[0032] like Figure 2-5 As shown, there are six fixed arms 3, two of which are arranged on the driving part above the crossbeam 101, two of which are arranged on the driving parts on both sides of the two columns 102, and three of which are arranged on the driving part between the two columns 102; the fixed arm 3 includes a sliding block 301, a telescopic rod 303, a mounting block 304, a hydraulic clamp 305 and a vacuum suction cup 306; a screw motor and a positioning through hole are provided on the sliding block 301; the screw motor is a through-type screw motor; the screw 201 cooperates with and passes through the screw motor to drive the sliding block 301 along the screw 2 01 moves; the positioning rod 202 passes through the positioning through hole; the positioning rod 202 passes through the positioning through hole; the fixed end of the telescopic rod 303 is hinged to one side of the sliding block 301, and its movable end is hinged to the mounting block 304; the hydraulic clamp 305 is arranged on one side of the mounting block 304; the vacuum suction cup 306 is arranged on the other side of the mounting block 304; it should be noted that the through-type screw motor, hydraulic clamp 305 and vacuum suction cup 306 are prior arts, and are not improvements of this embodiment, and are not described in detail here;
[0033] Specifically, each hinge on the fixed arm 3 is provided with a hinge positioning device 302 for fixing the relative position between the two hinges;
[0034] More specifically, the hinge positioning device 302 includes a main rotating block, a secondary rotating block, an outer cylinder 3021, a sliding hole 3022, a retaining ring 3023, a first spring 3024, a sliding column 3025, a first positioning tooth 3026, a pressing column 3027, an active block 3028, a second spring 3029 and a second positioning tooth 3031; the main rotating blocks are respectively arranged on one side of the sliding block 301 and the mounting block 304, and are provided with through holes; the secondary rotating blocks are arranged at both ends of the telescopic rod 303, and are provided with rotating shafts, and are rotatably arranged in the through holes, and one end of the secondary rotating blocks is provided with a second positioning tooth 3031; the outer cylinder 3021 is hollow inside, is arranged on one side of the main rotating block, and is arranged around the outer side of the through hole; a gap is provided between the side wall of the outer cylinder 3021 and the through hole; the sliding hole 3022 is arranged on the end surface of the outer cylinder 3021 away from the through hole, The first and second positioning teeth 3031 can mesh with each other; the retaining ring 3023 is arranged around the outer side wall of the sliding post 3025, and is located at one end away from the first positioning tooth 3026; the first spring 3024 is arranged around the outer side wall of the sliding post 3025, one end of which is connected to the retaining ring 3023, and the other end is connected to the gap between the through hole on the main rotating block and the side wall of the outer cylinder 3021; one end of the pressing post 3027 is connected to the sliding post 3025 and is slidably arranged in the sliding hole 3022; a protrusion is provided on one side of the movable block 3028, and its lower end is rotatably arranged on the side wall of the pressing post 3027, and a second spring 3029 is provided between the upper end and the side wall of the pressing post 3027.
[0035] like Figure 6 and 7 As shown, the lifting seat includes a second base plate 401, a lifting column 402, a mounting plate 403 and four rollers 104; the fixed end of the lifting column 402 is arranged on the second base plate 401; the mounting plate 403 is arranged on the movable end of the lifting column 402 and connected to the back plate 105; the four rollers 104 are respectively arranged on the four corners of the bottom surface of the second base plate 401.
[0036] The working principle of this embodiment is:
[0037] The utility model provides a vehicle door assembly fixture. When clamping the vehicle door, the fixed arm 3 between the two uprights 102 can be first moved to a suitable position along the positioning rod 202, and the telescopic rod 303 can be adjusted to adsorb and fix the vacuum suction cup 306 on the outer surface of the vehicle door to the area that does not need to be assembled. The telescopic rod 303 can be adjusted to move the vehicle door to a position that is convenient for subsequent operations. The hinged positioning device 302 is then operated to press the push column 3027, and the push column 3027 moves downward, and the movable blocks 306 on both sides of the push column 3027 are moved downward. 28 rotates under the action of the second spring 3029, so that the protrusion on one side of the movable clamping block 3028 passes through the sliding hole 3022 and is clamped on the inner side of the outer cylinder 3021, and at the same time the first positioning tooth 3026 and the second positioning tooth 3031 are meshed with each other, so that the fixed arm 3 is fixed as a whole; then the fixed arm 3 beside the cross beam 101 and the two columns 102 is moved, and their respective positions are adjusted by the sliding block 301 and the telescopic rod 303, and the upper part and both sides of the door are clamped and fixed by using suitable hydraulic clamps 305 and vacuum suction cups 306.
[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A car door assembly fixture, characterized in that: include: Main frame; A plurality of fixed arms, which are slidably arranged on the main frame and include a sliding block, a connecting rod, a mounting block, a hydraulic clamp and a vacuum suction cup; One end of the connecting rod is hinged on the sliding block, and the other end is hinged on the mounting block; the hydraulic clamp is arranged on one side of the mounting block; the vacuum suction cup is arranged on the other side of the mounting block; A plurality of driving parts are arranged on the main frame and connected to the sliding block, and are used for driving the fixed arm to move.
2. The automobile door assembly fixture according to claim 1, characterized in that: The main frame comprises a crossbeam and two upright posts; the upright posts are placed vertically, and the crossbeam is placed horizontally; the top ends of the two upright posts are respectively connected to the two ends of the crossbeam.
3. The automobile door assembly fixture according to claim 2, characterized in that: The driving part is arranged beside the cross beam and the two columns, and comprises a screw rod and a positioning rod; the screw rod is parallel to the positioning rod, and both ends of the screw rod are respectively fixed beside the cross beam and the two columns.
4. The automobile door assembly fixture according to claim 3, characterized in that: The sliding block is provided with a screw motor and a positioning through hole; the screw rod cooperates and passes through the screw motor to drive the sliding block to move along the screw rod; the positioning rod passes through the positioning through hole.
5. The automobile door assembly fixture according to claim 1, characterized in that: The hinged joints between the connecting rod and the sliding block and the mounting block are respectively provided with hinged positioning devices; the hinged positioning devices are used to fix the relative positions of the connecting rod, the sliding block and the mounting block respectively.
6. The automobile door assembly fixture according to claim 2, characterized in that: The main frame is also provided with a back plate and two first bottom plates; the two ends of the back plate are respectively connected to the two upright posts; the two first bottom plates are respectively arranged at the bottom ends of the two upright posts.
7. The automobile door assembly fixture according to claim 6, characterized in that: A lifting seat is also provided, comprising a second bottom plate, a lifting column and a mounting plate; the fixed end of the lifting column is arranged on the second bottom plate; the mounting plate is arranged on the movable end of the lifting column and connected to the back plate.
8. The automobile door assembly fixture according to claim 7, characterized in that: A plurality of rollers are also provided at the bottom of the first bottom plate and the second bottom plate.
9. The automobile door assembly fixture according to claim 1, characterized in that: The connecting rod is a telescopic rod.