New energy automobile door coating limiting clamp
By designing a door coating limit fixture including a workbench, a moving slot, a moving screw, a servo motor, a bottom fixture and a high-position fixture, the problem of the difficulty of precise fixing of door coating fixtures in the prior art is solved, and the uniformity and stability of automatic fixing and coating of new energy vehicle doors is achieved.
Patent Information
- Application Number
- CN202421303655.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-07
AI Technical Summary
Existing automotive coating fixtures are difficult to achieve accurate fixation when facing different models of car doors, resulting in uneven coating, high cost and safety hazards.
A door coating limit fixture including a workbench, a moving slot, a moving screw, a servo motor, a bottom fixture and a high fixture are designed. Through the cooperation of the moving screw and the servo motor, the bottom clamp and the high-position clamp can clamp the door in multiple directions, which is suitable for different models of doors.
Automatic fixation of new energy vehicle doors has been achieved, the uniformity and stability of coating is improved, the cost is reduced, and the safety hazards of manual operation are reduced.
Smart Images

Figure CN222659023U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a painting limit clamp for a door of a new energy vehicle. Background Art
[0002] New energy vehicles need to be painted as a whole during the production process. The door painting process needs to be disassembled and fixed before painting. The painting process is not only related to the appearance of the vehicle, but also directly affects the durability and corrosion resistance of the vehicle.
[0003] During the painting process, the clamps are required to accurately fix the car doors to ensure that the position and posture of the car doors remain consistent during the painting process, so that the painting is uniform and there are no dead angles. At present, the clamps for automobile painting are all fixed adjustment clamps, and the clamps are customized for different types of car doors, resulting in high costs. Although such clamps can be compatible with the sizes and shapes of some different models of car doors, it is difficult to adapt to all types of car doors when car models are frequently updated. In addition, most factories use manual adjustment to fix the car doors, which poses certain safety risks. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a new energy vehicle door painting limit clamp which automatically fixes the door and has stronger practicality.
[0005] Based on the technical problems existing in the background technology, the utility model proposes a new energy vehicle door painting limit fixture, including a workbench, three movable grooves are opened on the workbench, a movable screw rod is arranged in the movable groove, a servo motor is arranged on one side of the workbench corresponding to the movable screw rod, a bottom fixture is installed on the middle movable screw rod, and a plurality of high-position fixtures are symmetrically installed on the movable screw rods on both sides;
[0006] The bottom fixture comprises a movable support seat, a positioning groove is provided in the middle of the movable support seat, mounting plates are extended outwardly on both sides of the movable support seat, a cylinder is installed on the outer side of the mounting plate, a clamping plate is provided on the inner side, and a plurality of telescopic rods are provided at one end of the cylinder and connected to one side of the clamping plate;
[0007] The high-position clamp comprises a moving frame, one side of the moving frame is connected to a telescopic motor, one end of the telescopic motor is provided with a second telescopic rod, which passes through the moving frame, and the end thereof is provided with a second clamping plate, one side of the moving frame is provided with a supporting assembly at the bottom of the telescopic motor, and an auxiliary propulsion assembly is also provided between the second clamping plate and the moving frame;
[0008] The bottom of the movable support seat and the bottom of the movable frame are both provided with thread grooves corresponding to the movable screw rod.
[0009] Preferably, the auxiliary propulsion assembly includes two cross-arranged propulsion rods, a fixed axis is provided in the middle of the two propulsion rods, the two propulsion rods rotate around the fixed axis, and rotation holes are provided at both ends of the two propulsion rods.
[0010] Preferably, a rotating shaft is movably connected in the rotating hole, and a sliding groove one is provided on the movable frame on both sides of the telescopic rod two, and a positioning groove one is also provided on both sides inside the sliding groove one, and both ends of the rotating shaft are installed in the positioning groove one, and a sliding groove two corresponding to the pushing rod is provided on the inner side of the second splint, and a positioning groove two is also provided on both sides inside the sliding groove two, and the other two ends of the rotating shaft are installed in the positioning groove two.
[0011] Preferably, the support assembly includes a support plate fixedly mounted on one side of the mobile frame, a diagonal frame is mounted on the bottom of the support plate, the other end of the diagonal frame is fixed to the mobile frame, a fixed base is also mounted on the top of the support plate, a buffer protrusion is provided in the middle of the fixed base, and the buffer protrusion is mounted on the bottom of the telescopic motor.
[0012] Preferably, both the second clamping plate and the first clamping plate are provided with elastic strips, and the second clamping plate is also provided with a plurality of through holes.
[0013] Preferably, the maximum extension length of the two push rods should at least be sufficient to allow the two clamping plates on both sides to touch each other.
[0014] Preferably, the overall width of the bottom clamp does not exceed the movable grooves on both sides.
[0015] Compared with the prior art, the new energy vehicle door painting limit fixture proposed by the utility model adopts the above technical solution and achieves the following technical effects:
[0016] 1. The utility model arranges a plurality of movable screw rods on the workbench, and installs a bottom clamp and a high-position clamp thereon, so that the door of the new energy vehicle can be clamped in multiple directions, and both the bottom clamp and the high-position clamp can be moved on the movable screw rod, so that the whole can be suitable for painting doors of different models;
[0017] 2. The plywood of the utility model is equipped with elastic strips, which will cause less damage to the door when clamping the door, and will not affect the painting of the door;
[0018] 3. The auxiliary propulsion assembly provided in the utility model can support the second clamping plate to move forward, ensuring that during the painting process, the clamping of the second clamping plate on both sides of the door will not fall off, and the stability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;
[0020] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;
[0021] Figure 3 This is a schematic diagram of the overall structure of the workbench of the utility model;
[0022] Figure 4 The overall structure of the bottom clamp of the utility model is shown in FIG. Figure 1 ;
[0023] Figure 5 The overall structure of the bottom clamp of the utility model is shown in FIG. Figure 2 ;
[0024] Figure 6 It is a schematic diagram of the overall structure of a pair of high-position clamps of the utility model;
[0025] Figure 7 This is a schematic diagram of the overall structure of a single high-position clamp of the utility model;
[0026] Figure 8 It is a partial structural schematic diagram of the high-position clamp of the utility model.
[0027] In the figure: 1. workbench; 11. moving groove; 12. moving screw rod; 13. servo motor; 2. bottom clamp; 21. moving support seat; 22. positioning groove; 23. mounting plate; 24. cylinder; 25. clamp plate 1; 26. telescopic rod 1; 3. high-position clamp; 31. moving frame; 32. telescopic motor; 33. telescopic rod 2; 34. clamp plate 2; 35. sliding groove 1; 36. positioning groove 1; 37. sliding groove 2; 38. positioning groove 2; 39. through hole; 4. support assembly; 41. support plate; 42. inclined bracket; 43. fixed base; 44. buffer bump; 5. auxiliary propulsion assembly; 51. propulsion rod; 52. fixed shaft; 53. rotating hole; 54. rotating shaft; 6. threaded groove; 7. elastic strip. DETAILED DESCRIPTION
[0028] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0030] Reference Figure 1-8 The utility model proposes a new energy vehicle door painting limit fixture, including a workbench 1, three moving grooves 11 are opened on the workbench 1, and a moving screw rod 12 is arranged in the moving groove 11. A servo motor 13 is arranged on one side of the workbench 1 corresponding to the moving screw rod 12, a bottom fixture 2 is installed on the middle moving screw rod 12, and a plurality of high-position fixtures 3 are symmetrically installed on the moving screw rods 12 on both sides;
[0031] Specifically, the bottom fixture 2 includes a movable support seat 21, a positioning groove 22 is opened in the middle of the movable support seat 21, and mounting plates 23 extend outwardly from both sides of the movable support seat 21. A cylinder 24 is installed on the outer side of the mounting plate 23, and a clamping plate 25 is provided on the inner side. A plurality of telescopic rods 26 are provided at one end of the cylinder 24 and connected to one side of the clamping plate 25.
[0032] Specifically, the high-position clamp 3 includes a moving frame 31, one side of the moving frame 31 is connected to a telescopic motor 32, one end of the telescopic motor 32 is provided with a second telescopic rod 33, and passes through the moving frame 31, and a second clamping plate 34 is provided at its end, and one side of the moving frame 31 is provided with a support assembly 4 at the bottom of the telescopic motor 32, and an auxiliary propulsion assembly 5 is also provided between the second clamping plate 34 and the moving frame 31;
[0033] Specifically, the bottom of the movable support seat 21 and the bottom of the movable frame 31 are both provided with a thread groove 6 corresponding to the movable screw rod 12 .
[0034] Reference Figure 6-7 The auxiliary propulsion assembly 5 includes two cross-arranged propulsion rods 51 , a fixed shaft 52 is provided in the middle of the two propulsion rods 51 , the two propulsion rods 51 rotate around the fixed shaft 52 , and rotation holes 53 are provided at both ends of the two propulsion rods 51 .
[0035] Specifically, a rotating shaft 54 is movably connected in the rotating hole 53, and a sliding groove 35 is provided on both sides of the telescopic rod 2 33 on the movable frame 31, and a positioning groove 36 is also provided on both sides of the sliding groove 35. Both ends of the rotating shaft 54 are installed in the positioning groove 36, and a sliding groove 2 37 corresponding to the pushing rod 51 is provided on the inner side of the second splint 34, and a positioning groove 2 38 is also provided on both sides of the sliding groove 37, and both ends of the rotating shaft 54 at the other end are installed in the positioning groove 2 38.
[0036] Reference Figure 6-7 The support assembly 4 includes a support plate 41 fixedly mounted on one side of the mobile frame 31, an inclined bracket 42 is mounted at the bottom of the support plate, the other end of the inclined bracket 42 is fixed to the mobile frame 31, and a fixed base 43 is also mounted on the top of the support plate 41. A buffer protrusion 44 is provided in the middle of the fixed base 43, and the buffer protrusion 44 is mounted at the bottom of the telescopic motor 32.
[0037] Specifically, the second clamping plate 34 and the first clamping plate 25 are both provided with elastic strips 6 , and the second clamping plate 34 is also provided with a plurality of through holes 39 .
[0038] Specifically, the maximum extension length of the two push rods 51 should at least be sufficient for the two side clamping plates 34 to touch each other.
[0039] The assembly method of this embodiment includes:
[0040] 1. Install the servo motor 13 on the workbench 1 and ensure that it cooperates well with the moving screw 12.
[0041] 2. Install the movable support seat 21 on the middle movable screw rod 12, and adjust the positioning groove 22 to adapt to different types of car doors.
[0042] 3. Connect the mounting plate 23 to the side of the movable support seat 21, and then fix the cylinder 24 on the outside to connect the telescopic rod 26 with the clamping plate 25.
[0043] 4. The moving frame 31 is placed on the moving screw rod 12 on the side and fixed to ensure that the moving frame 31 can slide along the screw rod.
[0044] 5. The telescopic motor 32 is fixed to one side of the moving frame 31 , and the second telescopic rod 33 passes through the moving frame 31 and drives the second clamping plate 34 .
[0045] 6. The supporting assembly 4 and the auxiliary propulsion assembly 5 are respectively assembled on the moving frame 31 and the second clamping plate 34.
[0046] The method of using this embodiment includes:
[0047] 1. Turn on the servo motor 13 to drive the movable screw 12 to move the bottom fixture 2 and each high-position fixture 3 to a suitable position so as to adapt to the new energy vehicle door to be painted.
[0048] 2. When the door is placed in the previously set position, the cylinder 24 is activated to push the clamping plate 25 to move inwards and clamp it with the bottom of the door.
[0049] 3. At the same time, the telescopic motor 32 is started to make each telescopic rod 33 push the clamping plate 34 to move inward until the clamping plates 34 on both sides clamp the high part of the door. The elastic strip 6 arranged on the clamping plate can reduce the damage to the door surface.
[0050] 4. If the position needs to be fine-tuned, the propulsion rod 51 of the auxiliary propulsion assembly 5 can adjust the clamping accuracy around the fixed axis 52 to ensure the precise positioning and stability of the door during the painting process.
[0051] 5. The buffering protrusion 44 of the support assembly 4 can provide additional support to the bottom of the telescopic motor 32 to reduce vibration.
[0052] It is worth mentioning that during operation, it is necessary to regularly check whether all mechanism parts are loose to ensure that the thread groove 6 and the moving screw 12 are effectively engaged. Regularly check the movement flexibility of the auxiliary propulsion component 5, the support component 4 and the cylinder 24, and add lubricating oil if necessary. If the elastic strip 6 is worn, it should be replaced in time to protect the door from damage. Comply with the relevant safety operating specifications of the workbench and fixture equipment to ensure the safety of the operator.
[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A new energy vehicle door painting limit fixture, characterized in that: The workbench (1) comprises three movable grooves (11) formed on the workbench (1), movable screw rods (12) being arranged in the movable grooves (11), a servo motor (13) being arranged on one side of the workbench (1) corresponding to the movable screw rods (12), a bottom clamp (2) being installed on the middle movable screw rod (12), and a plurality of high-position clamps (3) being symmetrically installed on the movable screw rods (12) on both sides; The bottom clamp (2) comprises a movable support seat (21), a positioning groove (22) is provided in the middle of the movable support seat (21), mounting plates (23) extend outwardly from both sides of the movable support seat (21), a cylinder (24) is installed on the outside of the mounting plate (23), and a clamping plate (25) is provided on the inside, and a plurality of telescopic rods (26) are provided at one end of the cylinder (24) and connected to one side of the clamping plate (25); The high-position clamp (3) comprises a moving frame (31), one side of the moving frame (31) is connected to a telescopic motor (32), one end of the telescopic motor (32) is provided with a second telescopic rod (33) which passes through the moving frame (31), and the end of the second clamp (34) is provided with a second clamping plate (34), one side of the moving frame (31) is provided with a supporting assembly (4) located at the bottom of the telescopic motor (32), and an auxiliary propulsion assembly (5) is also provided between the second clamping plate (34) and the moving frame (31); The bottoms of the movable support seat (21) and the movable frame (31) are both provided with thread grooves (6) corresponding to the movable screw rod (12).
2. A new energy vehicle door painting limit fixture according to claim 1, characterized in that: The auxiliary propulsion assembly (5) comprises two propulsion rods (51) arranged crosswise, a fixed shaft (52) being provided in the middle of the two propulsion rods (51), the two propulsion rods (51) rotating around the fixed shaft (52), and rotation holes (53) being provided at both ends of the two propulsion rods (51).
3. A new energy vehicle door painting limit fixture according to claim 2, characterized in that: A rotating shaft (54) is movably connected in the rotating hole (53); a sliding groove (35) is provided on both sides of the second telescopic rod (33) on the movable frame (31); a positioning groove (36) is provided on both sides of the first sliding groove (35); two ends of the rotating shaft (54) are mounted in the first positioning groove (36); a sliding groove (37) corresponding to the propulsion rod (51) is provided on the inner side of the second clamping plate (34); a positioning groove (38) is provided on both sides of the second sliding groove (37); two ends of the rotating shaft (54) are mounted in the second positioning groove (38).
4. A new energy vehicle door painting limit fixture according to claim 1, characterized in that: The support assembly (4) comprises a support plate (41) fixedly mounted on one side of the moving frame (31); an inclined bracket (42) is mounted on the bottom of the support plate; the other end of the inclined bracket (42) is fixed to the moving frame (31); a fixed base (43) is also mounted on the top of the support plate (41); a buffer protrusion (44) is provided in the middle of the fixed base (43); and the buffer protrusion (44) is mounted on the bottom of the telescopic motor (32).
5. A new energy vehicle door painting limit fixture according to claim 1, characterized in that: The second clamping plate (34) and the first clamping plate (25) are both provided with elastic strips (7), and the second clamping plate (34) is also provided with a plurality of through holes (39).
6. A new energy vehicle door painting limit fixture according to claim 2, characterized in that: The maximum extension length of the two push rods (51) should at least be sufficient for the two clamping plates (34) on both sides to touch each other.
7. A new energy vehicle door painting limit fixture according to claim 1, characterized in that: The overall width of the bottom clamp (2) does not exceed the movable grooves (11) on both sides.