A snap-fit mounting device and method of mounting the same
By designing a snap-fit installation device and utilizing the combination of dual cylinder linkage and photoelectric sensors, the device achieves automated and precise positioning and clamping of the snap-fit, solving the problems of low efficiency and poor consistency in existing technologies, and improving assembly efficiency and product quality.
Patent Information
- Application Number
- CN202310810028.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-04
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2043-07-04
AI Technical Summary
The installation efficiency of clips in existing automotive trim parts is low, product consistency is poor, and they are easy to install backwards, affecting product quality.
Design a snap-fit installation device that uses dual cylinder linkage, combined with photoelectric sensors and PLC controllers, to achieve precise positioning and clamping of the snap-fit, and realize automated assembly through a robotic arm.
It improves the efficiency and accuracy of snap-fit installation, ensures product consistency, and enhances automation and assembly versatility.
Smart Images

Figure CN116728057B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of automobile buckle assembly, in particular to a buckle mounting device and a mounting method thereof. BACKGROUND
[0002] At present, the use of screws in automobile trim parts is less and less, and the use of buckles is more and more. Since the buckles are installed on the seat cushion in the factory, manual assembly is adopted. Manual assembly has many shortcomings: first, low efficiency; second, the consistency of the product cannot be guaranteed, because manual pressing assembly, some buckles are not assembled in place, thereby affecting the product quality; third, due to human factors, the buckles are installed in reverse.
[0003] Therefore, we have developed a buckle mounting device to solve the above problems. SUMMARY
[0004] The present application aims to overcome the shortcomings of the prior art and provide a buckle mounting device which has the advantages of convenient positioning and clamping, improved assembly efficiency, improved assembly precision, improved automation level, improved versatility, etc.
[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is: a buckle mounting device, comprising a first bottom plate and a second bottom plate, the top end of the first bottom plate is fixedly connected with a first air cylinder, one end of the first air cylinder is fixedly connected with a second air cylinder, the second air cylinder is arranged at the top end of the second bottom plate, one end of the second bottom plate abuts to a buckle, sensors are arranged on both sides of the length direction of the buckle, the sensors are fixedly connected with the second bottom plate, the sensors, the first air cylinder and the second air cylinder are connected to a PLC controller, the first bottom plate is connected to a mechanical arm, one end of the second air cylinder is provided with a clamping jaw, the buckle is provided with a circular body, one end of the circular body is provided with a clamping head, and the clamping jaw clamps the clamping head and inserts into a seat clamping piece.
[0006] Preferably, one end of the second bottom plate is provided with a boss, one end of the boss is provided with an arc-shaped groove, and one end of the arc-shaped groove is provided with a U-shaped retaining wall.
[0007] Preferably, the other end of the second bottom plate is provided with a sunken step, the step is provided with a plurality of first through holes, and the first through holes are fixedly connected with the first bottom plate.
[0008] Preferably, one side of the length direction of the second bottom plate is provided with a second through hole, the second through hole is arranged close to the boss, and the second through hole is fixedly connected with the sensor.
[0009] Preferably, a plurality of L-shaped grooves are arranged at one end of the second air cylinder away from the first air cylinder, the L-shaped grooves are provided with a penetrating rod, and the penetrating rod is inserted with a cam finger.
[0010] Preferably, the clamping jaw is provided with a straight end, and the straight end is provided with a first connecting hole fixedly connected with the cam finger.
[0011] Preferably, the clamping jaw is further provided with a curved end, and the curved end is provided with a clamping claw, and the clamping claw is provided with a circular body, and one end of the circular body is provided with a clamping joint, and the two clamping claws are clamped with the clamping joint.
[0012] Preferably, the first bottom plate is provided with a plurality of strip-shaped holes at the middle position, the first cylinder is provided with a plurality of second connecting holes, and the first bottom plate is adjustably connected with the second connecting holes through the strip-shaped holes.
[0013] Preferably, the top end of the first cylinder in the length direction is respectively provided with a first sunken groove and a second sunken groove on both sides, the first sunken groove is provided with a first stroke switch, and the second sunken groove is provided with a second stroke switch.
[0014] Preferably, one end of the first bottom plate is provided with a plurality of fixing holes, and the fixing holes are fixedly connected with the first through holes.
[0015] Thanks to the use of the above technical scheme, the present application has the following advantages compared with the prior art:
[0016] 1. The buckle mounting device, the positioning of the second bottom plate, the first cylinder pushing the second cylinder to move, the second cylinder clamping the buckle, the first cylinder pushing the buckle to be clamped in the corresponding position of the seat cushion, and the double-cylinder linkage improve the assembly efficiency.
[0017] 2. The cooperation of the arc-shaped groove, the U-shaped retaining wall and the clamping claw of the second bottom plate improves the buckle assembly precision; the photoelectric sensor is arranged on both sides of the arc-shaped groove and cooperates with the cylinder to work, thereby improving the automation level.
[0018] 3. The same type of buckle assembly can be used for the clamping piece, thereby improving the assembly versatility. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a perspective view of the buckle mounting device.
[0020] Figure 2 It is a bottom structure schematic view of the buckle mounting device.
[0021] Figure 3 It is a structure schematic view of one end of the second cylinder.
[0022] Figure 4 It is a structure schematic view of the second bottom plate.
[0023] Figure 5The structure diagram of the clamp jaw of the present application.
[0024] Figure 6 The structure diagram of the clamp jaw of the present application. Figure 2 The enlarged view of A in the present application. DETAILED DESCRIPTION
[0025] The present application will be further described in conjunction with the drawings and specific embodiments.
[0026] Figures 1 to 6 In the present application, a buckle mounting device comprises a first base plate 10 and a second base plate 50, the top end of the first base plate 10 is fixedly connected with a first air cylinder 20, one end of the first air cylinder 20 is provided with a top rod 25, the top rod 25 is fixedly connected with a connecting plate 26 through a connecting hole 261, the connecting plate 26 is fixedly connected with a second air cylinder 30, the second air cylinder 30 is arranged at the top end of the second base plate 50, one end of the second base plate 50 is placed with a buckle 100, the length direction of the buckle 100 is provided with a sensor 80 on both sides, the sensor 80 is a photoelectric sensor, the sensor 80, the first air cylinder 20 and the second air cylinder 30 are electrically connected to a PLC controller, and the sensor 80 is fixedly connected with the second base plate 50.
[0027] A plurality of strip-shaped holes 11 are arranged at the middle position of the first base plate 10, preferably 2, a plurality of fixing holes 12 are arranged at one end of the first base plate 10, preferably 4. The first air cylinder 20 is provided with a plurality of second connecting holes 22, the number of the second connecting holes 22 is the same as that of the strip-shaped holes 11, and the first base plate 10 is adjustably connected with the second connecting holes 22 through the strip-shaped holes 11. The fixing holes 12 are fixedly connected with the first through hole 511.
[0028] In order to facilitate the movement and assembly, the top end of the first air cylinder 20 is respectively provided with a first sunken groove 21 and a second sunken groove 23 on both sides in the length direction, the first sunken groove 21 is provided with a first travel switch 211, and the second sunken groove 23 is provided with a second travel switch 231. The travel switches control the travel of the first air cylinder to assemble the buckle 100.
[0029] In order to facilitate the clamping and positioning, an L-shaped groove 31 is arranged at each of the two sides of the end of the second air cylinder 30 away from the first air cylinder 20, the L-shaped groove 31 is provided with a penetrating rod 311, and the penetrating rod 311 is inserted with a cam finger 60. The second air cylinder 30 is provided with a clamp jaw 70 at one end, the clamp jaw 70 clamps the buckle 100 and is inserted into the seat cushion, the clamp jaw 70 is provided with a straight end 71, and the clamp jaw 70 is also provided with a bent end 72, the bent end 72 is provided with a clamping jaw 721. The straight end 71 is provided with a first connecting hole 711, and the first connecting hole 711 is fixedly connected with the cam finger 60. The buckle 100 is provided with a circular body 101, one end of the circular body 101 is provided with a clamping joint 102, and the two clamping jaws 721 are clamped with the clamping joint 102. During assembly, the circular body 101 is placed in the arc-shaped groove 53.
[0030] The second bottom plate 50 is provided with a boss 52 at one end, a sunken step 51 at the other end, and a second through hole 55 at one side in the length direction. The boss 52 is provided with an arc-shaped slot 53 at one end, and the arc-shaped slot 53 is provided with a U-shaped retaining wall 54 at one end. The step 51 is provided with a plurality of first through holes 511, preferably four first through holes 511, which are fixedly connected with the fixing holes 12 of the first bottom plate 10. The second through hole 55 is arranged close to the boss 52 and is fixedly connected with the sensor 80. The arc-shaped slot 53 and the U-shaped retaining wall 54 facilitate positioning and clamping of the buckle 100.
[0031] An assembling method of a buckle mounting device, comprising the following steps:
[0032] S10. The first bottom plate 10 is fixedly connected to the mechanical arm through the bottom hole, the mechanical arm is electrically connected to the PLC controller, and the PLC controller controls the mechanical arm to adjust the first bottom plate 10 to a horizontal position.
[0033] S20. The second cylinder 30 is provided with an L-shaped slot 31 at both sides of one end, and the rod 311 of the L-shaped slot 31 is inserted into a cam finger 60. The second cylinder 30 is provided with a clamping jaw 70 at one end, and the bent end 72 of the clamping jaw 70 is provided with a clamping jaw 721. The straight end 71 of the clamping jaw 70 is provided with a first connecting hole 711, which is fixedly connected with the cam finger 60. The PLC controller controls the cam finger 60 of the second cylinder 30 to drive the clamping jaw 70 to open.
[0034] S30. The first cylinder 20 drives the second cylinder 30 to move forward, the second travel switch 231 of the first cylinder 20 acts, the first cylinder 20 stops moving, at this time the U-shaped retaining wall 54 of the second bottom plate 50 abuts against the feeding position of the buckle 100, when the sensor 80 detects the buckle 100, the clamping jaw 70 closes to clamp the buckle joint 102, and the circular body 101 is placed in the arc-shaped slot 53.
[0035] S40. The PLC controller controls the clamping jaw 70 to clamp the buckle joint 102 to the seat clamping piece on the assembly line, when the sensor 80 detects that the arc-shaped slot 53 is not provided with the buckle 100, the clamping jaw 70 opens, and the first cylinder 20 moves backward, when the first travel switch 211 acts, the first cylinder 20 stops acting.
[0036] S50. Repeat the above steps.
[0037] The arc-shaped groove 53 and the U-shaped retaining wall 54 limit the buckle 100 at one end of the second bottom plate 50. When the PLC controller detects the buckle 100 through the sensor 80, the clamping jaw 70 of the second cylinder 30 clamps the buckle 100, the first cylinder 20 moves forward, drives the second cylinder 30 to move forward, and the first cylinder 20 drives the clamping joint 102 of the buckle 100 to be pressed and connected at the corresponding position of the seat cushion. When the sensor 80 detects that there is no buckle 100, the clamping jaw 70 is loosened, the first cylinder 20 moves backward, and the process is repeated.
[0038] The above is only a specific application example of the present application, and does not constitute any limitation on the protection scope of the present application. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the present application.
Claims
1. A snap-fit mounting device, characterized by: The utility model provides a kind of automatic seat clamping device, including first bottom plate (10) with second bottom plate (50), the top of the first bottom plate (10) is fixedly connected first cylinder (20), one end of the first cylinder (20) is fixedly connected second cylinder (30), the second cylinder (30) is arranged at the top of the second bottom plate (50), one end of the second bottom plate (50) is abutted to buckle (100), sensor (80) is equipped on the length direction both sides of buckle (100), the sensor (80) is fixedly connected with the second bottom plate (50), the sensor (80), the first cylinder (20) and the second cylinder (30) are connected to PLC controller, the first bottom plate (10) is connected to mechanical arm, one end of the second cylinder (30) is equipped with gripper (70), the buckle (100) is equipped with a circular body (101), one end of the circular body (101) is equipped with joint (102), the gripper (70) clamps joint (102) and inserts into seat joint piece; One end of the second bottom plate (50) is equipped with a boss (52), one end of the boss (52) is equipped with an arc slot (53), one end of the arc slot (53) is equipped with a U-shaped retaining wall (54), one side of the length direction of the second bottom plate (50) is equipped with a second through hole (55), the second through hole (55) is arranged close to the boss (52), the second through hole (55) is fixedly connected with the sensor (80); The other end of the second bottom plate (50) is equipped with a sunken step (51), the step (51) is equipped with a plurality of first through holes (511), the first through holes (511) are fixedly connected with the first bottom plate (10). One end of the first bottom plate (10) is equipped with a plurality of fixing holes (12), the fixing holes (12) are fixedly connected with the first through holes (511).
2. The snap mount of claim 1, wherein, The second cylinder (30) is equipped with a plurality of L-shaped grooves (31) away from one end of the first cylinder (20), the L-shaped groove (31) is equipped with a penetrating rod (311), the penetrating rod (311) is inserted into a cam finger (60).
3. The snap-fit installation device according to claim 2, characterized in that, The gripper (70) is equipped with a straight end (71), the straight end (71) is equipped with a first connecting hole (711), the first connecting hole (711) is fixedly connected with the cam finger (60).
4. The snap mount of claim 3, wherein, The gripper (70) is also equipped with a bent end (72), the bent end (72) is equipped with a clamping jaw (721), two clamping jaws (721) are clamped with the joint (102).
5. The snap mount of claim 4, wherein, The first bottom plate (10) is equipped with a plurality of strip-shaped holes (11) at the middle position, the first cylinder (20) is equipped with a plurality of second connecting holes (22), the first bottom plate (10) and the second connecting hole (22) are adjustably connected through the strip-shaped hole (11).
6. The snap mount of claim 5, wherein, The top of the length direction of the first cylinder (20) is respectively equipped with a first sunken groove (21) and a second sunken groove (23), the first sunken groove (21) is equipped with a first travel switch (211), the second sunken groove (23) is equipped with a second travel switch (231).
7. A method of assembling a snap-fit mounting device according to claim 6, characterised in that, The method comprises the following steps: S10. The first bottom plate (10) is fixedly connected to a mechanical arm, the mechanical arm is electrically connected to a PLC controller, and the PLC controller controls the mechanical arm to adjust the first bottom plate (10) to a horizontal position; S20. The cam finger (60) of the second cylinder (30) drives the clamping jaw (70) to open; S30. The first cylinder (20) drives the second cylinder (30) to move forward, the second travel switch (231) acts, the first cylinder (20) stops moving, at this time, the U-shaped retaining wall (54) of the second bottom plate (50) abuts to the feeding position of the buckle (100), when the sensor (80) detects the buckle (100), the clamping jaw (70) is closed to clamp the card connector (102); S40. The PLC controller controls the clamping jaw (70) to clamp the card connector (102) to the card connector, when the sensor (80) detects that there is no buckle (100), the clamping jaw (70) is opened, and the first cylinder (20) moves backward, when the first travel switch (211) acts, the first cylinder (20) stops acting; S50. Repeat the above steps.
Citation Information
Patent Citations
Mechanical arm mounting device used for gear frame
CN110303470A
E-shaped retainer ring
EP0386617A2