Automobile hinge machining clamp
By designing a car hinge machining fixture including servo motors, gears, coil springs and pressure sensors, the problem of the inability to stably clamp multiple thickness hinges in the prior art is solved, and stable clamping and accurate operation of hinges of various sizes and thicknesses is achieved.
Patent Information
- Application Number
- CN202421895872.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-07
AI Technical Summary
Existing automotive hinge machining fixtures cannot stably clamp automotive hinges of multiple thicknesses, and the accuracy of manual operation is poor.
An automobile hinge machining fixture including a rack, a workbench and an adjustment mechanism is designed. The adjustment mechanism is composed of servo motor A, gear, rack, limit groove, coil spring and telescopic plate. The gear and rack are driven to mesh through servo motor A, and the limit cylinder slides along the slide groove to adjust the clamping width; the clamping mechanism is composed of servo motor B, screw rod, drive block, clamping plate and pressure sensor. servo motor B drives the screw rod and drive block forward, the clamping plate squeezes the hinge through rubber pads, and the pressure sensor detects the clamping force.
Stable clamping of automotive hinges of various sizes and thicknesses is achieved, improving clamping accuracy and functionality, and preventing the hinges from being clamped.
Smart Images

Figure CN222857952U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile hinge processing, in particular to an automobile hinge processing fixture. Background Art
[0002] A hinge, also known as a hinge, is a mechanical device used to connect two solids and allow them to rotate relative to each other. A hinge can be made of movable components or foldable materials. In the composition of automotive parts, it is mainly used for the connection between the car door and the front hood.
[0003] After searching, the Chinese utility model patent with authorization announcement number CN 218927566 U discloses a rotatable processing fixture for automobile hinges, which belongs to the field of automobile hinge processing, and includes a turntable connecting shaft, a turntable connecting plate, a bottom plate, a receiving groove, a rotating shaft, a pressing plate, a protruding groove, a worm wheel, a fixing seat, a driving rod, and a worm. The utility model is connected to the turntable through the turntable connecting shaft and the turntable connecting plate. When in use, the base part of the automobile hinge is first inserted into the receiving groove on the bottom plate, and then the driving rod is rotated, and then the driving rod rotates to drive the worm to rotate, the worm rotates to drive the worm wheel, the worm wheel rotates to drive the rotating shaft, and the rotating shaft rotates to drive the pressing plate to rotate, and then the pressing plate rotates to squeeze with the base of the automobile hinge, thereby achieving fixation, and the shape of the automobile hinge is matched by the matching of the receiving groove and the protruding groove, thereby achieving stable clamping.
[0004] Compared with the prior art, the above-mentioned clamp cannot stably clamp automobile hinges of various thicknesses during the clamping process of the automobile hinge and is manually operated, so the clamping accuracy is poor.
[0005] Therefore, it is necessary to invent a kind of automobile hinge processing fixture. Utility Model Content
[0006] The utility model aims to overcome the deficiencies of the prior art and provide a processing fixture for automobile hinges.
[0007] The utility model solves the technical problem through the following technical scheme: it comprises a frame and a workbench rotatably connected to the middle position of the frame, an adjustment mechanism is arranged in the middle position of the workbench, the adjustment mechanism comprises a fixed plate, the fixed plate is welded to one side of the workbench, a servo motor A is arranged in the middle position of the fixed plate, a gear is arranged at the rotating end of the servo motor A, limiting grooves are arranged on both sides of the fixed plate, a rack is arranged on the inner wall of the limiting groove, the gear is meshed with the rack, a sliding groove is arranged in the middle position of the fixed plate, a limiting cylinder is arranged at one end of the rack, a coil spring is arranged at the bottom of the limiting cylinder, a telescopic plate is arranged at one end of the coil spring, and a clamping mechanism is arranged on one side of the adjustment mechanism.
[0008] As a further solution of the utility model: the clamping mechanism includes a servo motor B, which is fixed to one side of the workbench by bolts, a screw rod is provided at the extended end of the servo motor B, a driving block is provided on the outside of the screw rod, a splint is provided at one end of the driving block, and a plurality of pressure sensors are provided in the middle position of the splint.
[0009] As a further solution of the utility model: a notch is provided on one side of the limiting cylinder, a protrusion is provided on one side of the telescopic plate, and the protrusion is slidably connected to the notch.
[0010] As a further solution of the utility model: the outer wall of the clamping plate is provided with a rubber pad.
[0011] As a further solution of the utility model: a protective cover is arranged above the screw rod.
[0012] As a further solution of the utility model: a sprocket is arranged at one end of the screw rod, and a chain is arranged on the outer side of the sprocket.
[0013] As a further solution of the utility model: a crossbeam is arranged below the frame, a servo motor C is arranged in the middle of the crossbeam, and a rotating end of the servo motor C is fixedly connected to the workbench.
[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0015] 1. A servo motor A is provided, which drives the meshing rack to move through the gear, thereby driving the limit cylinder to slide along the slide groove, so as to adjust the clamping width, so that the device can fix automobile hinges of various sizes. A spiral spring is provided, which squeezes the telescopic plate. Under the cooperation of the notch and the protrusion, the telescopic plate and the limit cylinder are on the same surface, so that the device can clamp and fix automobile hinges of various thicknesses, enriching the functionality of the device;
[0016] 2. A servo motor B is provided, which drives the screw to rotate, and the screw drives the meshing driving block to move forward. Under the action of the rubber pad, the clamping plate is driven to squeeze the automobile hinge. Multiple pressure sensors are provided, and the pressure sensors detect the clamping force to ensure the clamping force while preventing the automobile hinge from being clamped. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It shows an isometric structural schematic diagram provided according to an embodiment of the utility model;
[0018] Figure 2 A schematic diagram of a left-side cross-sectional structure provided according to an embodiment of the utility model is shown;
[0019] Figure 3 A right side cross-sectional structural schematic diagram according to an embodiment of the utility model is shown;
[0020] Figure 4 A schematic diagram of a front cross-sectional structure provided according to an embodiment of the utility model is shown;
[0021] Figure 5 The utility model provides a Figure 3 A schematic diagram of the partially enlarged structure at B in the middle;
[0022] Figure 6 The utility model provides a Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.
[0023] Legend:
[0024] 100, rack; 200, workbench; 110, notch; 120, protrusion; 130, rubber pad; 140, protective cover; 150, sprocket; 160, chain; 170, beam; 180, servo motor C; 101, fixed plate; 102, servo motor A; 103, gear; 104, limit groove; 105, rack; 106, slide groove; 107, limit cylinder; 108, coil spring; 109, telescopic plate; 201, servo motor B; 202, lead screw; 203, drive block; 204, splint; 205, pressure sensor. DETAILED DESCRIPTION
[0025] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.
[0026] In the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0027] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
[0028] Embodiment 1:
[0029] like Figure 1-6 As shown, a kind of automobile hinge processing fixture comprises a frame 100 and a workbench 200 rotatably connected to the middle position of the frame 100, an adjustment mechanism is arranged in the middle position of the workbench 200, and the adjustment mechanism comprises a fixing plate 101, the fixing plate 101 is welded to one side of the workbench 200, a servo motor A102 is fixed to the middle position of the fixing plate 101 by bolts, a gear 103 is fixed to the rotating end of the servo motor A102 by bolts, limiting grooves 104 are cut on both sides of the fixing plate 101, a rack 105 is slidably connected to the inner wall of the limiting groove 104, the gear 103 is meshed with the rack 105, and the fixing plate 101 is cut in the middle position A slide groove 106 is cut, one end of the rack 105 is fixed to a limiting cylinder 107 by bolts, a coil spring 108 is fixed to the bottom of the limiting cylinder 107 by bolts, one end of the coil spring 108 is fixed to a telescopic plate 109 by bolts, a clamping mechanism is arranged on one side of the adjustment mechanism, a notch 110 is cut on one side of the limiting cylinder 107, a protrusion 120 is welded on one side of the telescopic plate 109, the protrusion 120 is slidably connected to the notch 110, a crossbeam 170 is welded at the bottom of the frame 100, a servo motor C180 is fixed to the middle position of the crossbeam 170 by bolts, and the rotating end of the servo motor C180 is fixedly connected to the workbench 200.
[0030] In this embodiment, a servo motor A102 is provided, and the servo motor A102 drives the meshing rack 105 to move through the gear 103, thereby driving the limiting cylinder 107 to slide along the slide groove 106, so as to adjust the clamping width, so that the device can fix automobile hinges of various sizes, and a coil spring 108 is provided. The coil spring 108 squeezes the telescopic plate 109, and with the cooperation of the notch 110 and the protrusion 120, the telescopic plate 109 and the limiting cylinder 107 are on the same surface, so that the device can clamp and fix automobile hinges of various thicknesses, thereby enriching the functionality of the device.
[0031] Embodiment 2:
[0032] like Figure 1-5As shown, a clamp for processing automobile hinges, the clamping mechanism includes a servo motor B201, the servo motor B201 is fixed to one side of a workbench 200 by bolts, a screw rod 202 is fixed to the extended end of the servo motor B201 by bolts, a protective cover 140 is fixed to the top of the screw rod 202 by bolts, a driving block 203 is meshed on the outer side of the screw rod 202, a sprocket 150 is fixed to one end of the screw rod 202 by bolts, a chain 160 is rotatably connected to the outer side of the sprocket 150, a clamping plate 204 is fixed to one end of the driving block 203 by bolts, a plurality of pressure sensors 205 are fixed to the middle position of the clamping plate 204 by bolts, and a rubber pad 130 is fixed to the outer wall of the clamping plate 204 by bolts,
[0033] In this embodiment, a servo motor B201 is provided, which drives the screw rod 202 to rotate, and the screw rod 202 drives the meshing driving block 203 to move forward. Under the action of the rubber pad 130, the clamping plate 204 is driven to squeeze the automobile hinge. A plurality of pressure sensors 205 are provided, and the pressure sensors 205 detect the clamping force to ensure the clamping force while preventing the automobile hinge from being damaged.
[0034] Although the present invention discloses embodiments and drawings, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.
Claims
1. A automobile hinge processing fixture, characterized in that: The invention comprises a frame (100) and a workbench (200) rotatably connected to the middle position of the frame (100), wherein an adjustment mechanism is arranged at the middle position of the workbench (200), wherein the adjustment mechanism comprises a fixing plate (101), wherein the fixing plate (101) is welded to one side of the workbench (200), wherein a servo motor A (102) is arranged at the middle position of the fixing plate (101), wherein a gear (103) is arranged at the rotating end of the servo motor A (102), and wherein two sides of the fixing plate (101) are provided with gears (103). A limiting groove (104) is provided, the inner wall of the limiting groove (104) is provided with a rack (105), the gear (103) is meshed with the rack (105), a sliding groove (106) is provided at the middle position of the fixing plate (101), a limiting cylinder (107) is provided at one end of the rack (105), a coil spring (108) is provided at the bottom of the limiting cylinder (107), a telescopic plate (109) is provided at one end of the coil spring (108), and a clamping mechanism is provided on one side of the adjustment mechanism.
2. The automobile hinge processing fixture according to claim 1, characterized in that: The clamping mechanism comprises a servo motor B (201), the servo motor B (201) is fixed to one side of a workbench (200) by means of bolts, a screw rod (202) is arranged at the extended end of the servo motor B (201), a driving block (203) is arranged at the outer side of the screw rod (202), a clamping plate (204) is arranged at one end of the driving block (203), and a plurality of pressure sensors (205) are arranged at the middle position of the clamping plate (204).
3. The automobile hinge processing fixture according to claim 1, characterized in that: A notch (110) is provided on one side of the limiting cylinder (107), and a protrusion (120) is provided on one side of the telescopic plate (109), wherein the protrusion (120) is slidably connected to the notch (110).
4. The automobile hinge processing fixture according to claim 2, characterized in that: The outer wall of the clamping plate (204) is provided with a rubber pad (130).
5. The automobile hinge processing fixture according to claim 2, characterized in that: A protective cover (140) is provided above the screw rod (202).
6. The automobile hinge processing fixture according to claim 2, characterized in that: A sprocket (150) is disposed at one end of the screw rod (202), and a chain (160) is disposed on the outer side of the sprocket (150).
7. The automobile hinge processing fixture according to claim 1, characterized in that: A crossbeam (170) is arranged below the frame (100), a servo motor C (180) is arranged at the middle position of the crossbeam (170), and a rotating end of the servo motor C (180) is fixedly connected to the workbench (200).