Lock pin assembly device and assembly method

Abstract

The present invention relates to an assembly device and an assembly method for a lock pin. The assembly device includes a frame, a mounting mechanism arranged on the frame, a moving mechanism, a material storage mechanism, a pushing mechanism, a vibration disk and a feeding mechanism connected to the vibration disk. The mounting mechanism and the moving mechanism are both mounted on a mounting plate, and the mounting plate is fixedly mounted on the frame. The mounting mechanism includes a first cylinder, a second cylinder and a third cylinder connected to each other. The first cylinder is provided with a toggle member and a stopper for toggling the lock pin, and the toggle member and the stopper are in contact. The second cylinder is provided with a first mounting portion for placing the lock pin. The toggle member, driven by the first cylinder, toggles the lock pin in the mounting portion into a groove-shaped seat. The vibration disk is used to separate the lock pin in an orderly manner and transport it to the feeding mechanism. The present invention realizes the automatic assembly of the lock pin and improves the assembly efficiency by arranging the mobile mechanism to grab the lock pin and the mounting mechanism to install the lock pin.

Description

Technical Field

[0001] The invention relates to an assembly device and method, and in particular to an assembly device and method for a lock pin. Background Art

[0002] With the development of economy and technology, people's living conditions have improved, and the price of cars has become no longer out of reach. Many people will buy private cars, and the automobile industry has been able to develop by leaps and bounds. Seat belts are designed to protect car drivers and passengers. They are one of the important guarantee components for car drivers to drive safely. When a car collides, brakes suddenly, or tilts, people in the car will rush forward or tilt irregularly. At this time, the seat belt can flexibly and firmly hold the human body on the seat to prevent it from being hurt by the impact.

[0003] The assembly of the car seat belt lock pin is particularly important at present. Improper assembly will cause failure in inspection. The existing assembly is semi-automatic, which is not only inefficient but also has a high error rate.

[0004] Therefore, the present invention aims to address the deficiencies in the prior art and provide a novel lock pin assembly device and assembly method, which achieves fully automated assembly, improves efficiency, and reduces the error rate. Summary of the invention

[0005] The primary purpose of the present invention is to provide a lock pin assembly device that can overcome the problems existing in the prior art and achieve automatic assembly of the lock pin through the cooperation between various components.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: an assembly device for a locking pin, wherein the locking pin is assembled on a groove-shaped seat of a mold, and comprises a frame, a mounting mechanism arranged on the frame, a moving mechanism, a storage mechanism, a pushing mechanism, a vibration disk and a feeding mechanism connected to the vibration disk, wherein the mounting mechanism and the moving mechanism are both mounted on a mounting plate, and the mounting plate is fixedly mounted on the frame, and the pushing mechanism contacts and supports the mold when working, and the mounting mechanism comprises a first cylinder, a second cylinder and a third cylinder connected to each other, and the first cylinder is provided with a toggle member and a stopper for toggle the locking pin, and the toggle member and the stopper are in contact, and the second cylinder is provided with a first mounting portion for placing the locking pin, and the toggle member, driven by the first cylinder, moves the locking pin in the mounting portion into the groove-shaped seat, and the vibration disk is used to separate the locking pins in an orderly manner and transport them to the feeding mechanism, and the feeding mechanism is connected to the storage mechanism.

[0007] Preferably, the third cylinder is provided with a first connecting plate, the first cylinder and the second cylinder are both fixedly mounted on the first connecting plate, and the stopper is provided with a pressure piece for pressing the spring in the groove seat and a pressing mechanism for pressing the latch in the groove seat.

[0008] Preferably, the moving mechanism includes a clamp, an air gripper cylinder, a fourth cylinder and a fifth cylinder, the clamp and the air gripper cylinder are fixedly installed, the air gripper cylinder and the fourth cylinder are fixedly installed via a first fixed plate, and the fourth cylinder and the fifth cylinder are fixedly installed via a slider.

[0009] Preferably, the material storage mechanism includes a rotating cylinder, a sixth cylinder, a second connecting plate connecting the rotating cylinder and the sixth cylinder, and a second fixed plate, the sixth cylinder is fixedly mounted with a second mounting portion for placing a locking pin, the rotating cylinder is fixedly mounted on the second fixed plate, the second fixed plate is fixedly mounted on the frame, and the second connecting plate is provided with a sensor for detecting whether there is a locking pin in the clamp.

[0010] Preferably, the material storage mechanism further comprises a displacement sensor for detecting the position of the sixth cylinder, and the displacement sensor is mounted on the second connecting plate.

[0011] Preferably, the pushing mechanism includes a first guide rod cylinder, a second guide rod cylinder and a third fixed plate on which the first guide rod cylinder and the second guide rod cylinder are installed, the first guide rod cylinder is fixedly installed with a bolt, the second guide rod cylinder is fixedly installed with a fixing claw, the third fixed plate is fixedly installed on the frame, and the third fixed plate and the mounting plate are both provided with photoelectric sensors for detecting the length of the locking pin.

[0012] Preferably, an elastic member for supporting the latch in the groove seat is provided on the mold, and the fixing claw drives the elastic member to support the latch.

[0013] The present invention also provides a method for assembling a spring using any of the above-mentioned lock pin assembly devices, the lock pin assembly method comprising the following steps:

[0014] S1, the vibrating plate separates the lock pins and transports them to the feeding mechanism one by one, and the second mounting part on the storage mechanism moves to the feeding mechanism along with the sixth cylinder, and transports the lock pins in the feeding mechanism to the second mounting part;

[0015] S2, the sixth cylinder in the material storage mechanism drives the second mounting part back to its original position, and the rotating cylinder drives the fixed plate to rotate 180 degrees, and the second mounting part is located below the clamping jaw after rotation;

[0016] S3, the clamping claw in the moving mechanism moves down to the second mounting part under the drive of the fourth cylinder, the claw cylinder drives the clamping claw to clamp the locking pin, the fourth cylinder drives the clamping claw to move up to clamp the locking pin out of the second mounting part, and the rotating cylinder drives the second fixing plate back to its original position;

[0017] S4, the fifth cylinder drives the clamping claw to move above the mounting mechanism, the fourth cylinder and the claw cylinder place the locking pin in the clamping claw into the first mounting part, and the fifth cylinder drives the fourth cylinder back to its original position;

[0018] S5, the second cylinder drives the first mounting part to move toward the first cylinder, so that the first mounting part moves into the stopper, and the pressing mechanism moves downward to press the latch in the groove seat;

[0019] S6, the first guide rod cylinder in the pushing mechanism drives the bolt to press against the mold so that the groove seat is in an open state, and the second guide rod cylinder moves toward the groove seat to drive the fixed claw to grab the bow and bullet assembly, so that the bow and bullet assembly is in an open state, and the fixed claw moves to the original position;

[0020] S7, the third cylinder drives the first cylinder and the second cylinder to move downward to the top of the mold, and the toggle member, driven by the first cylinder, moves the locking pin on the first mounting portion to be assembled into the groove seat, and then the first cylinder drives the toggle member back to its original position;

[0021] S8, the third cylinder drives the first cylinder and the second cylinder back to their original positions, and the second cylinder drives the first mounting part back to its original position.

[0022] Preferably, in S6, when the fixing claw moves toward the grooved seat driven by the second guide rod cylinder, the fixing claw also presses against the elastic member, so that the elastic member presses against the latch.

[0023] Preferably, in S7, the second cylinder moves downward to drive the pressure piece on the stopper to press the spring in the groove seat to prevent the state of the bow-spring assembly from changing.

[0024] The beneficial effect of the present invention is that the assembly device and assembly method of the lock pin of the present invention realizes the automatic assembly of the lock pin through the cooperation between the moving mechanism and the installation mechanism, thereby improving the efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the locking pin assembly device of the present invention excluding the frame;

[0026] Figure 2 yes Figure 1 The enlarged schematic diagram of point A in the middle;

[0027] Figure 3 It is a structural schematic diagram of a moving mechanism and a mounting mechanism in an assembly device for a lock pin of the present invention;

[0028] Figure 4 yes Figure 3 A schematic diagram of the structure from another angle;

[0029] Figure 5 It is a structural schematic diagram of a pushing mechanism in an assembly device for a lock pin of the present invention;

[0030] Figure 6 It is a structural schematic diagram of a mold in an assembly device for a lock pin of the present invention.

[0031] Figure numerals: 10, moving mechanism, 11, pushing mechanism, 12, mounting mechanism, 13, vibration plate, 14, feeding mechanism, 15, locking pin, 16, mold, 17, groove seat, 18, bow and spring assembly, 19, mounting plate, 20, first cylinder, 21, second cylinder, 22, third cylinder, 23, toggle member, 24, stopper, 25, first mounting portion, 26, pressure member, 27, pressing mechanism, 28, spring, 29, latch, 30, first connecting plate, 31, Gripper, 32, air claw cylinder, 33, fourth cylinder, 34, fifth cylinder, 36, first fixed plate, 37, slider, 38, drag chain, 39, rotating cylinder, 40, sixth cylinder, 41, second connecting plate, 42, second fixed plate, 43, displacement sensor, 44, second mounting part, 45, NG box, 46, first guide rod cylinder, 47, second guide rod cylinder, 48, third fixed plate, 49, bolt, 50, fixing claw, 51, photoelectric sensor, 52, elastic member. DETAILED DESCRIPTION

[0032] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0033] Combination Figure 1-Figure 6 As shown, the assembly device of the lock pin of the present invention includes a frame (not shown), a mounting mechanism 12, a moving mechanism 10, a storage mechanism, a pushing mechanism 11, a vibration plate 13 and a feeding mechanism 14 arranged on the frame, the lock pin 15 is separated by the vibration plate 13, and then conveyed to the storage mechanism through the feeding mechanism 14, the moving mechanism 10 grabs the lock pin 15 on the storage mechanism to prevent it from the mounting mechanism 12, the mounting mechanism 12 assembles the lock pin 15 in the groove seat 17 of the mold 16, and after installation, it is locked with the bow spring assembly 18 in the groove seat 17, thereby achieving fixation.

[0034] The mounting mechanism 12 and the moving mechanism 10 are both fixedly mounted on a mounting plate 19, and the mounting plate 19 is fixedly mounted on a frame. The mounting mechanism 12 includes a first cylinder 20, a second cylinder 21 and a third cylinder 22 connected to each other. The first cylinder 20 is provided with a toggle member 23 and a stopper 24, and the second cylinder 21 is provided with a first mounting portion 25. The first mounting portion 25 is used to place the lock pin 15. The second cylinder 21 drives the first mounting portion 25 to move to the stopper 24 so that the toggle member 23 toggles the lock pin 15 onto the groove seat 17. The stopper 24 is provided with a pressure member 26 and a pressing mechanism 27. When the pressure member 26 is pressed down, the spring 28 in the groove seat 17 is pressed down, and when the pressing mechanism 27 is pressed down, the latch 29 in the groove seat 17 is pressed down. The third cylinder 22 is provided with a first connecting plate 30 , and the first cylinder 20 and the second cylinder 21 are both fixedly mounted on the first connecting plate 30 , so that the third cylinder 22 drives the first cylinder 20 and the second cylinder 21 to move up and down.

[0035] The moving mechanism 10 includes a clamping jaw 31, an air gripper cylinder 32, a fourth air cylinder 33 and a fifth air cylinder 34. The clamping jaw 31 is fixedly mounted with the air gripper cylinder 32. The air gripper cylinder 32 is used to control the clamping and loosening of the clamping jaw 31. The air gripper cylinder 32 and the fourth air cylinder 33 are fixedly mounted with a first fixed plate 36. The fourth air cylinder 33 drives the air gripper cylinder 32 and the clamping jaw 31 to move up and down. The fourth air cylinder 33 and the fifth air cylinder 34 are fixedly mounted with a slider 37. A drag chain 38 is provided on the mounting plate 19. The drag chain 38 drives the fifth air cylinder 34 to reciprocate, thereby realizing the reciprocating motion of the fourth air cylinder 33, the air gripper cylinder 32 and the clamping jaw 31.

[0036] The storage mechanism is connected to the feeding mechanism 14 and is used to receive the lock pin 15 in the feeding mechanism 14. It includes a rotating cylinder 39, a sixth cylinder 40, a second connecting plate 41, a second fixed plate 42 and a displacement sensor 43. The second connecting plate 41 is used to connect the rotating cylinder 39 and the sixth cylinder 40. The rotating cylinder 39 is fixedly mounted on the second fixed plate 42 and drives the sixth cylinder 40 to rotate. The sixth cylinder 40 is fixedly mounted with a second mounting portion 44, and the second mounting portion 44 is used to place the lock pin 15. The second fixed plate 42 is fixedly mounted on the frame. The second fixed plate 42 is also fixedly mounted with an NG box 45 for storing unqualified lock pins, and is located directly below the clamping jaw 31. The displacement sensor 43 is mounted on the second connecting plate 41 and is used to detect the moving position of the second cylinder 21 to prevent the subsequent work from being unable to be realized due to the inadequate moving position.

[0037] The pushing mechanism 11 includes a first guide rod cylinder 46, a second guide rod cylinder 47 and a third fixing plate 48. The first guide rod cylinder 46 and the second guide rod cylinder 47 are fixedly mounted on the third fixing plate 48. The first guide rod cylinder 46 is fixedly mounted with a bolt 49, which drives the bolt 49 to move toward the mold 16, thereby achieving the extrusion of the mold 16. The second guide rod cylinder 47 is fixedly mounted with a fixing claw 50, which drives the fixing claw 50 to move toward the groove seat 17, thereby achieving the change of the state of the bow elastic assembly 18 in the groove seat 17. The third fixing plate 48 is fixedly mounted on the frame. The third fixing plate 48 and the mounting plate 19 are both provided with a photoelectric sensor 51 for detecting the length of the lock pin 15. When the lock pin 15 is detected to be unqualified, the clamping claw 31 will release the lock pin 15 to make it fall into the NG box 45. The mold 16 is provided with an elastic member 52 . When the second guide rod cylinder 47 drives the fixing claw 50 to move, the elastic member 52 is pressed, so that the elastic member 52 presses against the locking latch 29 in the groove seat 17 , further realizing the assembly of the locking pin 15 .

[0038] The present invention also provides a method for assembling a lock pin, comprising the following steps:

[0039] S1, the vibrating plate 13 separates the locking pins 15 and conveys them to the feeding mechanism 14 one by one, and the second mounting portion 44 on the storage mechanism moves to the feeding mechanism 14 along with the sixth cylinder 40, and conveys the locking pins in the feeding mechanism 14 to the second mounting portion 44;

[0040] S2, the sixth cylinder 40 in the material storage mechanism drives the second mounting portion 44 back to the original position, and the rotating cylinder 39 drives the second fixing plate 42 to rotate 180 degrees, and the second mounting portion 44 is located below the clamping jaw 31 after rotation;

[0041] S3, the clamping jaw 31 in the moving mechanism 10 moves downward to the second mounting portion 44 under the drive of the fourth cylinder 33, the claw cylinder 32 drives the clamping jaw 31 to clamp the locking pin 15, the fourth cylinder 33 drives the clamping jaw 31 to move upward to clamp the locking pin 15 out of the second mounting portion 44, and the rotating cylinder 39 drives the second fixing plate 42 back to its original position;

[0042] S4, the fifth cylinder 34 drives the clamping jaw 31 to move above the mounting mechanism 12, the fourth cylinder 33 and the claw cylinder 32 place the locking pin 15 in the clamping jaw into the first mounting portion 25, and the fifth cylinder 34 drives the fourth cylinder 33 back to its original position;

[0043] S5, the second cylinder 21 drives the first mounting portion 25 to move toward the first cylinder 20, so that the first mounting portion 25 moves into the stopper 24, and the pressing mechanism 27 moves downward to press the latch 29 in the groove seat 17;

[0044] S6, the first guide rod cylinder 46 in the pushing mechanism 11 drives the bolt 49 to press against the mold 16 so that the groove seat 17 is in an open state, and the second guide rod cylinder 47 moves toward the groove seat 17 to drive the fixed claw 50 to push the bow and bullet assembly 18 so that the bow and bullet assembly 18 is in an open state, and the fixed claw 50 moves to the original position;

[0045] S7, the third cylinder 22 drives the first cylinder 20 and the second cylinder 21 to move downward to the top of the mold 16, and the toggle member 23, driven by the first cylinder 20, moves the lock pin 15 on the first mounting portion 25 to be assembled into the groove seat 17, and then the first cylinder 20 drives the toggle member 23 back to the original position;

[0046] S8, the third cylinder 22 drives the first cylinder 20 and the second cylinder 21 back to their original positions, and the second cylinder 21 drives the first mounting portion 25 back to its original position.

[0047] Specifically, in S2, the rotating cylinder 39 can select the direction of rotation as needed; in S6, when the fixing claw 50 moves toward the groove seat 17 driven by the second guide rod cylinder 47, the fixing claw 50 also presses against the elastic member 52, so that the elastic member 52 presses against the latch 29; in S7, the second cylinder 21 moves downward to drive the pressure member 26 on the stopper 24 to press the spring 28 in the groove seat to prevent the state of the bow-spring assembly 18 from changing.

[0048] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A locking pin assembly device, wherein the locking pin is assembled on a grooved seat of a mold, characterized in that: The invention comprises a frame, a mounting mechanism arranged on the frame, a moving mechanism, a storage mechanism, a pushing mechanism, a vibration plate and a feeding mechanism connected to the vibration plate, the mounting mechanism and the moving mechanism are both mounted on a mounting plate, the mounting plate is fixedly mounted on the frame, the pushing mechanism contacts with the mold and supports the mold when working, the mounting mechanism comprises a first cylinder, a second cylinder and a third cylinder connected to each other, the first cylinder is provided with a toggle member and a stopper for toggling a lock pin, the toggle member and the stopper are in contact, the second cylinder is provided with a first mounting part for placing the lock pin, the toggle member drives the lock pin in the mounting part into a groove-shaped seat under the drive of the first cylinder, the vibration plate is used to separate the lock pins in an orderly manner and transport them to the feeding mechanism, the feeding mechanism is connected to the storage mechanism, the pushing mechanism The structure includes a first guide rod cylinder, a second guide rod cylinder and a third fixed plate on which the first guide rod cylinder and the second guide rod cylinder are installed, the first guide rod cylinder is fixedly installed with a bolt, the second guide rod cylinder is fixedly installed with a fixing claw, the third fixed plate is fixedly installed on the frame, the third fixing plate and the mounting plate are both provided with a photoelectric sensor for detecting the length of the lock pin, the mold is provided with an elastic part that supports the latch in the groove seat, the fixing claw drives the elastic part to support the latch, and when the second guide rod cylinder drives the fixing claw to move, the elastic part will be pressed, the third cylinder is provided with a first connecting plate, the first cylinder and the second cylinder are both fixedly installed on the first connecting plate, and the stop part is provided with a pressure part for pressing the spring in the groove seat and a pressing mechanism for pressing the latch in the groove seat.

2. The locking pin assembly device according to claim 1, characterized in that: The moving mechanism includes a clamp, an air clamp cylinder, a fourth air cylinder and a fifth air cylinder. The clamp is fixedly installed with the air clamp cylinder. The air clamp cylinder and the fourth air cylinder are fixedly installed with a first fixed plate. The fourth air cylinder and the fifth air cylinder are fixedly installed with a slider.

3. The lock pin assembly device according to claim 1, characterized in that: The material storage mechanism includes a rotating cylinder, a sixth cylinder, a second connecting plate connecting the rotating cylinder and the sixth cylinder, and a second fixed plate. The sixth cylinder is fixedly mounted with a second mounting portion for placing a locking pin. The rotating cylinder is fixedly mounted on the second fixed plate. The second fixed plate is fixedly mounted on the frame. The second connecting plate is provided with a sensor for detecting whether there is a locking pin in the clamp.

4. The locking pin assembly device according to claim 3, characterized in that: The material storage mechanism also includes a displacement sensor for detecting the position of the sixth cylinder, and the displacement sensor is installed on the second connecting plate.

5. A method for assembling a lock pin, characterized in that: Using the lock pin assembly device according to any one of claims 1 to 4, the lock pin assembly method comprises the following steps: S1, the vibrating plate separates the lock pins and transports them to the feeding mechanism one by one, and the second mounting part on the storage mechanism moves to the feeding mechanism along with the sixth cylinder, and transports the lock pins in the feeding mechanism to the second mounting part; S2, the sixth cylinder in the material storage mechanism drives the second mounting part back to its original position, and the rotating cylinder drives the fixed plate to rotate 180 degrees, and the second mounting part is located below the clamping jaw after rotation; S3, the clamping claw in the moving mechanism moves down to the second mounting part under the drive of the fourth cylinder, the claw cylinder drives the clamping claw to clamp the locking pin, the fourth cylinder drives the clamping claw to move up to clamp the locking pin out of the second mounting part, and the rotating cylinder drives the second fixing plate back to its original position; S4, the fifth cylinder drives the clamping claw to move above the mounting mechanism, the fourth cylinder and the claw cylinder place the locking pin in the clamping claw into the first mounting part, and the fifth cylinder drives the fourth cylinder back to its original position; S5, the second cylinder drives the first mounting part to move toward the first cylinder, so that the first mounting part moves into the stopper, and the pressing mechanism moves downward to press the latch in the groove seat; S6, the first guide rod cylinder in the pushing mechanism drives the bolt to press against the mold so that the groove seat is in an open state, and the second guide rod cylinder moves toward the groove seat to drive the fixed claw to grab the bow and bullet assembly, so that the bow and bullet assembly is in an open state, and the fixed claw moves to the original position; S7, the third cylinder drives the first cylinder and the second cylinder to move downward to the top of the mold, and the toggle member, driven by the first cylinder, moves the locking pin on the first mounting portion to be assembled into the groove seat, and then the first cylinder drives the toggle member back to its original position; S8, the third cylinder drives the first cylinder and the second cylinder back to their original positions, and the second cylinder drives the first mounting part back to its original position.

6. The method for assembling a lock pin according to claim 5, characterized in that: In the above S6, when the fixing claw moves toward the grooved seat driven by the second guide rod cylinder, the fixing claw also presses against the elastic member, so that the elastic member presses against the latch.

7. The method for assembling a lock pin according to claim 5, characterized in that: In the step S7, the second cylinder moves downward to drive the pressure piece on the stopper to press the spring in the groove seat to prevent the state of the bow-spring assembly from changing.

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