Dispensing device for automobile door lock

Abstract

The invention relates to the related technical field of adhesive dispensing devices, in particular to an automobile door lock adhesive dispensing device which comprises a workbench, two adhesive dispensing mechanisms and an auxiliary adhesive removing mechanism, a rotating motor is arranged on the inner top wall of the workbench, a rotating disc is arranged at the output end of the rotating motor, and four placing jigs are arranged on the rotating disc; the glue dispensing mechanism comprises a first vertical frame, a control valve, a glue dispensing needle, a triaxial driving assembly and a cutting assembly, the triaxial driving assembly is arranged on the first vertical frame, the control valve is arranged on the triaxial driving assembly, the glue dispensing needle is arranged at the bottom end of the control valve in a communicating mode, and the cutting assembly is arranged on the control valve and the triaxial driving assembly. The cutting assembly is in selective transmission connection with the triaxial driving assembly, the two adhesive dispensing mechanisms and the auxiliary adhesive removing mechanism are arranged around the rotating disc at equal angles, and the auxiliary adhesive removing mechanism is located between the two adhesive dispensing mechanisms. According to the invention, the situation that filamentous glue liquid pulled out accidentally is too long can be avoided.

Description

Technical Field

[0001] This invention relates to the technical field of dispensing devices, specifically to a dispensing device for automotive door locks. Background Technology

[0002] The production and assembly of car door locks typically involves installing electronic components, which are then fixed to the locks using adhesive bonding. Currently, the dispensing process for car door locks is mostly semi-automatic. However, the dispensing device uses a drive mechanism to move the dispensing needle, allowing it to apply adhesive to the car door lock. After completing one dispensing point, the needle is driven to the next. During this process, it frequently happens that a long, thread-like strand of adhesive is accidentally pulled out between the tip of the dispensing needle and the dispensing point. If this strand is too long, it will adhere to other components, affecting the processing quality of the car door lock. For example, Chinese invention patent CN 119281601A discloses a car door lock dispensing device that suffers from this accidental pulling out of long, thread-like adhesive. Summary of the Invention

[0003] To overcome the above deficiencies, the present invention provides an adhesive dispensing device for automotive door locks, which solves the problem mentioned in the background art of how to avoid accidentally pulling out excessively long strands of adhesive.

[0004] The technical solution of this invention is: An automotive door lock dispensing device includes a worktable, two dispensing mechanisms, and an auxiliary adhesive removal mechanism. A vertically mounted rotary motor is installed on the inner top wall of the worktable. A turntable is mounted on the output end of the rotary motor. Four fixtures are arranged at equal angles around the turntable. Each dispensing mechanism includes a first support frame, a control valve, a dispensing needle, a three-axis drive assembly for driving the dispensing needle, and a cutting assembly. The three-axis drive assembly is mounted on the first support frame. The control valve is mounted on the three-axis drive assembly. The dispensing needle is connected to the bottom end of the control valve. The cutting assembly is mounted on both the control valve and the three-axis drive assembly. The cutting assembly is selectively connected to the three-axis drive assembly. The two dispensing mechanisms and the auxiliary adhesive removal mechanism are arranged at equal angles around the turntable, with the auxiliary adhesive removal mechanism located between the two dispensing mechanisms.

[0005] Preferably, the triaxial drive assembly includes a forward-pushing electric push rod, a translation electric cylinder, a suspension, and a lifting electric push rod. The output end of the forward-pushing electric push rod is provided with a mounting plate, and the output end of the lifting electric push rod is provided with a mounting disc. The forward-pushing electric push rod is horizontally mounted on a first upright, the translation electric cylinder is horizontally mounted on the front of the mounting plate, the suspension is mounted on the slide of the translation electric cylinder, and the lifting electric push rod is vertically mounted on the suspension. The mounting disc is fixedly connected to the top of the control valve, and the cutting assembly is selectively driven connected to the lifting electric push rod.

[0006] Preferably, the cutting assembly includes a suspension rod, two bending brackets, and a linkage for driving the two bending brackets to separate. Both ends of the suspension rod have polygonal outer rods, and force-bearing blocks slide on the outer rods. One end of the outer rod has a limiting plate, and a first spring is provided between the force-bearing block and the limiting plate. The head end of each bending bracket has an inner groove, and a cutting shear is disposed within the inner groove. The linkage is disposed on the control valve and the suspension. The suspension rod is horizontally disposed on the linkage. The tail ends of the two bending brackets are fixedly connected to the bottom ends of the two force-bearing blocks, and the two cutting shears abut against each other, and are positioned adjacent to each other directly below the dispensing needle outlet.

[0007] Preferably, the linkage includes two mounting rods, an upper protrusion, and a T-shaped block. The bottom of the mounting rod is provided with an L-shaped blocking block, the top of the upper protrusion is provided with a guide rod with a polygonal cross-section, the top of the guide rod is provided with a limiting block, a second spring is sleeved on the guide rod, the T-shaped block is provided with a guide hole that slides with the guide rod, both ends of the bottom of the T-shaped block are provided with a first wedge surface, the force-bearing block is provided with a second wedge surface that mates with the first wedge surface, the limiting plate is L-shaped, the two mounting rods are symmetrically arranged on the suspension, the T-shaped block is arranged on the outer wall of the control valve and is located between the two force-bearing blocks, the upper protrusion is arranged at the top of the middle end of the suspension rod, and the two ends of the second spring abut against the upper T-shaped block and the upper protrusion, respectively.

[0008] Preferably, the upper half of the mounting rod is provided with an external thread and two nuts that are screwed into the external thread, and the suspension has two through holes for the mounting rod to pass through.

[0009] Preferably, the auxiliary adhesive removal mechanism includes a second upright, a rotating seat, and an angle adjustment assembly. A horizontal plate is provided on the top side wall of the second upright. Two symmetrically arranged auxiliary support seats are provided at the end of the horizontal plate away from the second upright. A rotating shaft is rotatably provided on the rotating seat. A swing rod is provided at one end of the rotating shaft. A first electric push rod is provided at one end of the swing rod. A mounting frame is provided on the output end of the first electric push rod. A horizontally arranged scraper is provided on the mounting frame. The rotating seat is located on the top of the horizontal plate. The angle adjustment assembly is located on the second upright, and the other end of the rotating shaft is connected to the angle adjustment assembly in a transmission manner.

[0010] Preferably, the angle adjustment assembly includes a fixed plate, a second electric push rod, a rack, and a first gear. The top end of the second stand is provided with a first rotating hole, and the other end of the rotating shaft is rotatably disposed in the first rotating hole. The fixed plate is disposed on the back of the top end of the second stand. The second electric push rod is horizontally disposed on the fixed plate. The rack is disposed on the output end of the second electric push rod. The first gear is disposed on the other end of the rotating shaft, and the first gear meshes with the rack.

[0011] Preferably, the mounting fixture includes a mounting plate, a limiting component for limiting the car door lock, and an ejection component for ejecting the car door lock. The top of the mounting plate has a mounting slot for placing the car door lock. The mounting plate is located on the top of the turntable, the limiting component is located on the mounting plate, and the ejection component is located at the bottom of the turntable. The ejection component is kinetically connected to the limiting component.

[0012] Preferably, the ejection assembly includes a base plate, an ejection electric push rod, and an ejection block. The turntable has four first through holes for the ejection block to pass through, and the bottom of the placement slot has a second through hole for the ejection block to pass through. The base plate is located at the bottom of the turntable, the ejection electric push rod is vertically located at the bottom of the base plate, and the ejection block is located at the output end of the ejection electric push rod. The ejection block is connected to the limiting assembly in a transmission manner.

[0013] Preferably, the limiting assembly includes two limiting components diagonally arranged on both sides of the second through hole. Each limiting component includes a synchronous shaft, two mounting seats, a support rod with a polygonal cross-section, and a synchronous plate. The top of the synchronous shaft has a retaining plate, and the bottom of the synchronous shaft has a second gear. A third spring is sleeved on the support rod, and a synchronous block slides on the support rod. The head end of the synchronous plate has an arc-shaped edge, and the bottom of the head end of the synchronous plate has a third wedge surface. The tail end of the synchronous plate has multiple equally spaced toothed grooves. The bottom of the mounting plate has two diagonally arranged mounting slots, and each mounting slot contains a detachable... The cover has sliding grooves on both ends of the mounting groove. The top of the mounting plate has two diagonally arranged second rotating holes that rotate with the synchronous shaft. The second rotating holes are connected to the mounting groove. The top of the ejector block has a fourth wedge surface that mates with the third wedge surface. The bottom of the clamping plate is in contact with the top of the mounting plate. The second gear is located in the mounting groove. The two mounting seats are symmetrically arranged in the mounting groove. The two ends of the third spring abut against one of the mounting seats and the synchronous block, respectively. The front half of the synchronous plate is slidably arranged in one of the sliding grooves. The synchronous block is fixedly connected to the synchronous plate. The tooth groove meshes with the second gear.

[0014] Compared with the prior art, the beneficial effects of the present invention are: Firstly, the present invention can drive the dispensing needle to dispense glue to the car door lock through a three-axis drive component. The three-axis drive component can also drive the cutting component to cut the outlet of the dispensing needle after dispensing, avoiding the accidental pulling out of excessively long glue threads. The auxiliary glue removal mechanism can assist in the glue removal operation of one of the cutting components. At the same time, the other dispensing mechanism can continue to perform the dispensing operation without affecting the processing efficiency of the car door lock.

[0015] Secondly, through the cooperation between the lifting electric push rod, the first spring, the force block and the linkage components, the present invention enables the two cutting scissors to automatically stop moving down and automatically move away from each other, without affecting the glue dispensing operation for car door locks.

[0016] Secondly, the present invention enables the car door lock in the placement slot to automatically limit and lock and automatically release the limit lock through the cooperation of the ejection component and the limiting component. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the automotive door lock adhesive dispensing device of the present invention. Figure 1 ; Figure 2 This is a three-dimensional structural diagram of the automotive door lock adhesive dispensing device of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the dispensing mechanism of the present invention; Figure 4 This is a partial structural diagram of the dispensing mechanism of the present invention. Figure 1 ; Figure 5 This is a partial structural diagram of the dispensing mechanism of the present invention. Figure 2 ; Figure 6 This is a schematic diagram of the auxiliary adhesive removal mechanism of the present invention; Figure 7 This is a partial structural schematic diagram of the automotive door lock dispensing device of the present invention; Figure 8 This is a partial structural diagram of the mounting fixture of the present invention. Figure 1 ; Figure 9 This is a partial structural diagram of the mounting fixture of the present invention. Figure 2 ; Figure 10 This is a partial structural diagram of the mounting fixture of the present invention. Figure 3 .

[0018] In the picture: 1. Workbench; 2. Dispensing Mechanism; 21. First Stand; 22. Control Valve; 23. Dispensing Needle; 24. Three-Axis Drive Assembly; 241. Forward Push Electric Actuator; 2411. Mounting Plate; 242. Translation Electric Cylinder; 243. Suspension; 244. Lifting Electric Actuator; 2441. Mounting Plate; 25. Cutting Assembly; 251. Suspension Rod; 2511. External Rod; 2512. Force Block; 2513. Limiting Plate; 25 14. First spring; 2515. Second wedge surface; 252. Bending bracket; 2521. Cutting shears; 253. Linkage component; 2531. Mounting rod; 2532. Upper protrusion; 2533. T-block; 2534. Blocking block; 2535. Guide rod; 2536. Limiting block; 2537. Second spring; 2538. First wedge surface; 2539. Nut; 3. Auxiliary glue removal mechanism; 31. Second upright; 311. Horizontal 312. Plate; 32. Auxiliary support base; 32. Rotating seat; 321. Rotating shaft; 322. Swing rod; 323. First electric push rod; 324. Mounting frame; 325. Scraper; 33. Angle adjustment assembly; 331. Fixing plate; 332. Second electric push rod; 333. Rack; 334. First gear; 4. Turntable; 41. First through hole; 5. Fixture placement; 51. Placement plate; 511. Placement slot; 512. Mounting slot ; 513, Cover; 514, Second Through Hole; 52, Limiting Assembly; 521, Mounting Base; 522, Support Rod; 5221, Third Spring; 5222, Synchronizing Block; 523, Synchronizing Plate; 5231, Third Wedge Surface; 5232, Tooth Groove; 524, Clamping Plate; 525, Second Gear; 53, Ejection Assembly; 531, Base Plate; 532, Ejection Electric Push Rod; 533, Ejection Round Block; 5331, Fourth Wedge Surface. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figure 1-10 The present invention will describe the above technical solution in detail through the following embodiments: A car door lock dispensing device includes a workbench 1, two dispensing mechanisms 2, and an auxiliary glue removal mechanism 3. A vertically mounted rotary motor is installed on the inner top wall of the workbench 1. A turntable 4 is installed on the output end of the rotary motor. Four fixtures 5 are mounted on the turntable 4 at equal angles around its circumference. The dispensing mechanism 2 includes a first support 21, a control valve 22, a dispensing needle 23, a three-axis drive assembly 24 for driving the dispensing needle 23, and a cutting assembly 25. The three-axis drive assembly 24 is mounted on the first support 21. The control valve 22 is mounted on the three-axis drive assembly 24. The dispensing needle 23 is connected to the bottom end of the control valve 22. The cutting assembly 25 is mounted on the control valve 22 and the three-axis drive assembly 24. The cutting assembly 25 is selectively connected to the three-axis drive assembly 24. The two dispensing mechanisms 2 and the auxiliary glue removal mechanism 3 are arranged at equal angles around the turntable 4, and the auxiliary glue removal mechanism 3 is located between the two dispensing mechanisms 2.

[0021] The present invention uses a triaxial drive assembly 24 to drive a dispensing needle 23 to dispense adhesive onto a car door lock. The triaxial drive assembly 24 can also drive a cutting assembly 25 to cut the outlet of the dispensing needle 23 after dispensing, thus avoiding the accidental pulling out of excessively long strands of adhesive. An auxiliary adhesive removal mechanism 3 can assist in removing adhesive from one of the cutting assemblies 25, while the other dispensing mechanism 2 can continue dispensing, without affecting the processing efficiency of the car door lock.

[0022] Of course, the adhesive of the present invention is stored in a storage tank, and the control valve 22 is connected to the storage tank through a hose, which is the prior art.

[0023] When using this device, the car door lock is first installed into the mounting fixture 5. The mounting fixture 5 includes a mounting plate 51, a limiting component 52 for limiting the car door lock, and an ejection component 53 for ejecting the car door lock. The top of the mounting plate 51 has a placement slot 511 for placing the car door lock. The mounting plate 51 is set on the top of the turntable 4. The limiting component 52 is set on the mounting plate 51. The ejection component 53 is set on the bottom of the turntable 4. The ejection component 53 is connected to the limiting component 52 in a driving connection.

[0024] Furthermore, the ejection assembly 53 includes a base plate 531, an ejection electric push rod 532, and an ejection block 533. The turntable 4 has four first through holes 41 for the ejection block 533 to pass through. The bottom of the placement groove 511 has a second through hole 514 for the ejection block 533 to pass through. The base plate 531 is located at the bottom of the turntable 4. The ejection electric push rod 532 is vertically located at the bottom of the base plate 531. The ejection block 533 is located at the output end of the ejection electric push rod 532. The ejection block 533 is connected to the limiting assembly 52 in a transmission manner.

[0025] Furthermore, the limiting assembly 52 includes two limiting components diagonally arranged on both sides of the second through hole 514. Each limiting component includes a synchronous shaft, two mounting seats 521, a support rod 522 with a polygonal cross-section, and a synchronous plate 523. The top of the synchronous shaft has a retaining plate 524, and the bottom of the synchronous shaft has a second gear 525. A third spring 5221 is fitted onto the support rod 522, and a synchronous block 5222 slides on the support rod 522. The head end of the synchronous plate 523 has an arc-shaped edge, and the bottom of the head end of the synchronous plate 523 has a third wedge surface 5231. The tail end of the synchronous plate 523 has multiple equally spaced toothed grooves 5232. The bottom of the mounting plate 51 has two diagonally arranged mounting slots 512, and each mounting slot 512 has a removable cover 5. 13. The mounting groove 512 has sliding grooves on both ends of the groove wall. The top of the mounting plate 51 has two diagonally arranged second rotating holes that are rotatably engaged with the synchronous shaft. The second rotating holes are connected to the mounting groove 512. The top of the ejector block 533 has a fourth wedge surface 5331 that engages with the third wedge surface 5231. The bottom of the clamping plate 524 is in contact with the top of the mounting plate 51. The second gear 525 is located in the mounting groove 512. The two mounting seats 521 are symmetrically arranged in the mounting groove 512. The two ends of the third spring 5221 respectively abut against one of the mounting seats 521 and the synchronous block 5222. The front half of the synchronous plate 523 is slidably arranged in one of the sliding grooves. The synchronous block 5222 is fixedly connected to the synchronous plate 523. The tooth groove 5232 meshes with the second gear 525.

[0026] Before the car door lock is placed into the placement slot 511, the ejector electric push rod 532 drives the ejector block 533 to move upward into the second through hole 514. The fourth wedge surface 5331 on the ejector block 533 can gradually approach the third wedge surface 5231 of the two synchronizer plates 523. Then, the fourth wedge surface 5331 cooperates with the third wedge surface 5231 to drive the synchronizer plate 523 to retract into the mounting slot 512. The tail end of the synchronizer plate 523 can gradually enter another slide groove. The synchronizer plate 523 drives the synchronizer block 5222 to slide synchronously on the support rod 522. The synchronizer plate 523 compresses the third spring 5221. The synchronizer plate 523 also passes through The toothed groove 5232 drives the second gear 525 to rotate, and the second gear 525 drives the synchronous shaft to rotate synchronously around its axis. The synchronous shaft drives the locking plate 524 to rotate synchronously. The locking plate 524 gradually rotates from the top of the placement groove 511 to the top of the mounting plate 51, that is, the locking plate 524 avoids the placement groove 511. This ensures that the two locking plates 524 will not obstruct the insertion of the car door lock. When the ejector block 533 approaches the bottom of the placement groove 511, the ejector electric push rod 532 stops working. The outer wall of the ejector block 533 fits against the arc edge of the synchronous plate 523, and the synchronous plate 523 remains retracted into the mounting groove 512.

[0027] After the locking plate 524 avoids the placement slot 511, the car door lock can be placed into the placement slot 511. After it is placed, the push-out electric push rod 532 drives the push-out round block 533 to move downward. The elastic force of the third spring 5221 drives the synchronizing block 5222 to reset on the support rod 522. The synchronizing block 5222 drives the synchronizing plate 523 to gradually extend outward. The synchronizing plate 523 drives the second gear 525, the synchronizing shaft and the locking plate 524 to rotate in the opposite direction through the tooth groove 5232. The locking plate 524 can limit the car door lock in the placement slot 511.

[0028] Among them, the support rod 522 with a polygonal cross-section can prevent the synchronous block 5222 from deflecting when it moves.

[0029] The ejector assembly 53 can also assist in ejecting the car door lock after the adhesive has been applied. The ejector electric push rod 532 drives the ejector block 533 to move upward. The two clamping plates 524 can still avoid the placement groove 511. Then the ejector block 533 enters the placement groove 511 through the second through hole 514. After that, the ejector block 533 can drive the car door lock in the placement groove 511 to move upward synchronously. The car door lock can extend out of the placement groove 511, which makes it easy to remove the car door lock after the adhesive has been applied.

[0030] After the car door lock is placed into the placement slot 511, the rotary motor in the workbench 1 drives the turntable 4 to rotate. The placement plate 51 is then moved by the turntable 4 to a dispensing mechanism 2. The dispensing mechanism 2 dispenses adhesive onto the car door lock in the placement slot 511. The three-axis drive assembly 24 operates first. The three-axis drive assembly 24 includes a forward electric push rod 241, a translation electric cylinder 242, a suspension 243, and a lifting electric push rod 244. The output end of the forward electric push rod 241 is equipped with... The device has a mounting plate 2411, and a mounting plate 2441 is provided on the output end of the lifting electric push rod 244. The forward pushing electric push rod 241 is horizontally set on the first upright 21, the translation electric cylinder 242 is horizontally set on the front part of the mounting plate 2411, the suspension 243 is set on the slide of the translation electric cylinder 242, the lifting electric push rod 244 is vertically set on the suspension 243, the mounting plate 2441 is fixedly connected to the top of the control valve 22, and the cutting assembly 25 is selectively connected to the lifting electric push rod 244.

[0031] The forward-pushing electric push rod 241 can drive the translation electric cylinder 242 to move back and forth. The translation electric cylinder 242 can drive the suspension 243 and the lifting electric push rod 244 to move left and right. The lifting electric push rod 244 can drive the control valve 22 and the dispensing needle 23 to move up and down, thereby realizing the movement of the dispensing needle 23 in three axes: forward, backward, left and right, up and down.

[0032] The lifting electric push rod 244 can also selectively drive the cutting assembly 25 during operation. The cutting assembly 25 includes a suspension rod 251, two bending brackets 252, and a linkage 253 for separating the two bending brackets 252. Both ends of the suspension rod 251 are provided with polygonal outer rods 2511. Force blocks 2512 are slidably provided on the outer rods 2511. One end of the outer rod 2511 is provided with a limiting plate 2513. The force blocks 2512 and the limiting plate 251 are connected. A first spring 2514 is provided between 3. The head end of the bending bracket 252 is provided with an inner groove. The inner groove is provided with a cutting scissor 2521. The linkage 253 is provided on the control valve 22 and the suspension 243. The suspension rod 251 is horizontally provided on the linkage 253. The tail ends of the two bending brackets 252 are respectively fixedly connected to the bottom ends of the two force blocks 2512. The two cutting scissors 2521 abut against each other, and the two cutting scissors 2521 are located close to each other directly below the outlet of the glue needle 23.

[0033] Furthermore, the linkage 253 includes two mounting rods 2531, an upper protrusion 2532, and a T-shaped block 2533. The bottom of the mounting rod 2531 is provided with an L-shaped blocking block 2534. The top of the upper protrusion 2532 is provided with a guide rod 2535 with a polygonal cross-section. The top of the guide rod 2535 is provided with a limiting block 2536. A second spring 2537 is sleeved on the guide rod 2535. The T-shaped block 2533 has a guide hole that slides with the guide rod 2535. Both ends of the bottom of the T-shaped block 2533 are provided with… The first wedge surface 2538, the force-bearing block 2512 is provided with a second wedge surface 2515 that cooperates with the first wedge surface 2538, the limiting plate 2513 is L-shaped, the two mounting rods 2531 are symmetrically arranged on the suspension 243, the T-shaped block 2533 is arranged on the outer wall of the control valve 22 and the T-shaped block 2533 is located between the two force-bearing blocks 2512, the upper protrusion 2532 is arranged on the top of the middle end of the suspension rod 251, and the two ends of the second spring 2537 abut against the upper T-shaped block 2533 and the upper protrusion 2532 respectively.

[0034] When the lifting electric push rod 244 drives the dispensing needle 23 to move downwards towards the dispensing point of the car door lock, the control valve 22 also moves downwards. The control valve 22 can drive the T-block 2533, suspension rod 251, and limit plate 2513 to move downwards synchronously. Of course, the two bending brackets 252 also move downwards synchronously with the control valve 22. The limit plate 2513 gradually approaches the corresponding blocking block 2534. The blocking block 2534 blocks the limit plate 2513. After the limit plate 2513 is blocked, the corresponding external rod 2511 and suspension rod 251 are also blocked. The suspension rod 251 stops at this height, that is, the two force blocks 2512 and the two cutting shears 2521 also stop at this height. However, the T-block 2533 will still move downwards synchronously with the control valve 22. The T-block 2533 blocks the guide rod 2533. The second spring 2537 on 535 is compressed, causing the second spring 2537 to be compressed. At the same time, the two first wedge surfaces 2538 on the T-block 2533 abut against the second wedge surfaces 2515 on the two force-bearing blocks 2512. The first wedge surfaces 2538 and the second wedge surfaces 2515 cooperate to make the force-bearing block 2512 move away from the suspension rod 251 on the outer rod 2511. The force-bearing block 2512 compresses the first spring 2514. The movement of the force-bearing block 2512 also drives the bending bracket 252 to move outward synchronously. The bending bracket 252 drives the corresponding cutting shears 2521 to move outward synchronously. The distance between the two cutting shears 2521 gradually increases, so as to avoid the bottom end of the glue dispensing needle 23 and not affect the glue dispensing needle 23 to perform glue dispensing operation on the car door lock.

[0035] After the dispensing needle 23 completes the dispensing of adhesive on one section of the car door lock, the lifting electric push rod 244 drives the control valve 22 to move upward. The T-block 2533 moves upward synchronously with the control valve 22. The elastic force of the second spring 2537 drives the suspension rod 251 to exert a downward force. The limiting plate 2513 and the blocking block 2534 are not separated. Therefore, the two cutting blades 2521 stop at this height and do not move upward synchronously with the control valve 22. After the T-block 2533 moves upward, the elastic forces of the two first springs 2514 respectively apply a force to the two force blocks 2512 in the direction of moving towards the suspension rod 251. That is, the two force blocks 2512 gradually move closer to each other. The two force blocks 2512 can drive the two cutting blades 2521 to move closer to each other synchronously. After the T-block 2533 moves upward and abuts against the limiting block 2536, the two... The two cutting shears 2521 are in direct contact with each other, and they cut the adhesive needle 23 at the outlet, cutting the filamentous adhesive. The T-block 2533 drives the guide rod 2535 to move upward synchronously through the limit block 2536. The guide rod 2535 then drives the suspension rod 251 to move upward synchronously. The suspension rod 251 then drives the two limit plates 2513 to move upward synchronously. The limit plates 2513 separate from the blocking block 2534. The forward push electric push rod 241 and the translation electric cylinder 242 work together to move the adhesive needle 23 to the next position. Then the lifting electric push rod 244 continues to work to drive the control valve 22 to move downward. Then the next adhesive dispensing point of the car door lock is completed. The above operation is repeated. After the adhesive dispensing of the car door lock is completed, the rotating motor continues to drive the turntable 4 to rotate.

[0036] Among them, the guide rod 2535 with a polygonal cross-section can prevent the suspension rod 251 from deflecting, and the external rod 2511 with a polygonal cross-section can prevent the force block 2512 from deflecting.

[0037] Preferably, the upper part of the mounting rod 2531 is provided with external threads and two nuts 2539 that are screwed into the external threads, and the suspension 243 has two through holes for the mounting rod 2531 to pass through.

[0038] By changing the position of the two nuts 2539 on the external threads of the mounting rod 2531, the placement height of the mounting rod 2531 can be changed, which means the height of the blocking block 2534 can also be changed. The height of the blocking block 2534 determines the upward distance of the two cutters 2521 after separation, thus making the height of the blocking block 2534 adjustable and improving flexibility.

[0039] After continuous cutting operations, the small amount of adhesive remaining at the top of the cutting shears 2521 will gradually solidify, and the thickness of the adhesive will gradually increase. The adhesive remaining at the top of the cutting shears 2521 can be removed by the auxiliary adhesive removal mechanism 3. The auxiliary adhesive removal mechanism 3 includes a second upright 31, a rotating seat 32, and an angle adjustment component 33. A horizontal plate 311 is provided on the top side wall of the second upright 31, and two symmetrically arranged auxiliary supports are provided at the end of the horizontal plate 311 away from the second upright 31. The base 312 and the rotating base 32 are rotatably provided with a rotating shaft 321. One end of the rotating shaft 321 is provided with a swing rod 322. One end of the swing rod 322 is provided with a first electric push rod 323. The output end of the first electric push rod 323 is provided with a mounting frame 324. The mounting frame 324 is provided with a horizontally arranged scraper 325. The rotating base 32 is located on the top of the horizontal plate 311. The angle adjustment component 33 is located on the second upright 31, and the other end of the rotating shaft 321 is connected to the angle adjustment component 33 in a transmission connection.

[0040] The angle adjustment assembly 33 includes a fixed plate 331, a second electric push rod 332, a rack 333, and a first gear 334. The top of the second stand 31 is provided with a first rotating hole, and the other end of the rotating shaft 321 is rotatably disposed in the first rotating hole. The fixed plate 331 is disposed on the back of the top of the second stand 31. The second electric push rod 332 is horizontally disposed on the fixed plate 331. The rack 333 is disposed on the output end of the second electric push rod 332. The first gear 334 is disposed on the other end of the rotating shaft 321, and the first gear 334 meshes with the rack 333.

[0041] When the cutting shears 2521 of one dispensing mechanism 2 needs to remove residual adhesive from its top, another dispensing mechanism 2 takes over and continues the dispensing operation on the car door lock. The second electric push rod 332 drives the rack 333 to move, the rack 333 drives the first gear 334 to rotate 180 degrees, the first gear 334 drives the rotating shaft 321 to rotate synchronously, and the rotating shaft 321 drives the swing arm 322 and the first electric push rod 323 to rotate synchronously 180 degrees. The first electric push rod 323 is supported by an auxiliary support bracket 312. After the first electric push rod 323 works, at the same time, the translation cylinder 242 of the dispensing mechanism 2 that has stopped working works to drive the dispensing needle 23 to move closer to the door lock. Near the output end of the first electric push rod 323, the first electric push rod 323 and the forward push electric push rod 241 cooperate to make the scraper 325 located in the gap between the cutter 2521 and the dispensing needle 23 outlet. Then, the translational electric cylinder 242 drives the dispensing needle 23 to move to the scraper 325, so that the scraper 325 can directly contact the top of the cutter 2521. Subsequently, the translational electric cylinder 242 drives the dispensing needle 23 to move back and forth a small distance, so that the glue residue on the top of the cutter 2521 can be gradually removed by the scraper 325. In order to facilitate the collection of the glue removed by the scraper 325, four detachable collection boxes can be set on the turntable 4. The collection boxes can be located between two adjacent mounting plates 51.

Claims

1. A dispensing device for automotive door locks, characterized in that: The system includes a workbench (1), two dispensing mechanisms (2), and an auxiliary glue removal mechanism (3). A vertically mounted rotary motor is installed on the inner top wall of the workbench (1). A turntable (4) is mounted on the output end of the rotary motor. Four fixtures (5) are mounted on the turntable (4) at equal angles around its circumference. The dispensing mechanism (2) includes a first support (21), a control valve (22), a dispensing needle (23), a three-axis drive assembly (24) for driving the dispensing needle (23), and a cutting assembly (25). The three-axis drive assembly (24)... The control valve (22) is set on the first stand (21), the control valve (22) is set on the triaxial drive assembly (24), the dispensing needle (23) is connected to the bottom end of the control valve (22), the cutting assembly (25) is set on the control valve (22) and the triaxial drive assembly (24), the cutting assembly (25) and the triaxial drive assembly (24) are selectively connected by transmission, the two dispensing mechanisms (2) and the auxiliary glue removal mechanism (3) are set at equal angles around the turntable (4), and the auxiliary glue removal mechanism (3) is located between the two dispensing mechanisms (2).

2. The automotive door lock dispensing device according to claim 1, characterized in that: The triaxial drive assembly (24) includes a forward push electric actuator (241), a translation electric cylinder (242), a suspension (243), and a lifting electric actuator (244). The output end of the forward push electric actuator (241) is provided with a mounting plate (2411), and the output end of the lifting electric actuator (244) is provided with a mounting disc (2441). The forward push electric actuator (241) is horizontally mounted on the first stand (21), the translation electric cylinder (242) is horizontally mounted on the front of the mounting plate (2411), the suspension (243) is mounted on the slide of the translation electric cylinder (242), and the lifting electric actuator (244) is vertically mounted on the suspension (243). The mounting disc (2441) is fixedly connected to the top of the control valve (22), and the cutting assembly (25) is selectively connected to the lifting electric actuator (244).

3. The automotive door lock dispensing device according to claim 2, characterized in that: The cutting assembly (25) includes a suspension rod (251), two bending supports (252), and a linkage (253) for driving the two bending supports (252) to separate. Both ends of the suspension rod (251) are provided with external rods (2511) with polygonal cross-sections. Force blocks (2512) are slidably mounted on the external rods (2511). One end of the external rods (2511) is provided with a limiting plate (2513). A first spring (2514) is provided between the force block (2512) and the limiting plate (2513). The bending bracket (252) has an inner groove at its head end, and a cutter (2521) is provided in the inner groove. The linkage (253) is provided on the control valve (22) and the suspension (243). The suspension rod (251) is horizontally provided on the linkage (253). The tail ends of the two bending brackets (252) are respectively fixedly connected to the bottom ends of the two force blocks (2512). The two cutters (2521) abut against each other, and the two cutters (2521) are located close to each other directly below the outlet of the glue needle (23).

4. The automotive door lock dispensing device according to claim 3, characterized in that: The linkage component (253) includes two mounting rods (2531), an upper protrusion (2532), and a T-shaped block (2533). The mounting rods (2531) have an L-shaped blocking block (2534) at their bottom. The upper protrusion (2532) has a polygonal guide rod (2535) at its top. The guide rod (2535) has a limiting block (2536) at its top. A second spring (2537) is fitted onto the guide rod (2535). The T-shaped block (2533) has a guide hole that slides with the guide rod (2535). Both ends of the bottom of the T-shaped block (2533) are provided with a first... The wedge surface (2538) and the force-bearing block (2512) are provided with a second wedge surface (2515) that cooperates with the first wedge surface (2538). The limiting plate (2513) is L-shaped. The two mounting rods (2531) are symmetrically arranged on the suspension (243). The T-shaped block (2533) is arranged on the outer wall of the control valve (22) and the T-shaped block (2533) is located between the two force-bearing blocks (2512). The upper protrusion (2532) is arranged at the top of the middle end of the suspension rod (251). The two ends of the second spring (2537) abut against the upper T-shaped block (2533) and the upper protrusion (2532) respectively.

5. The automotive door lock dispensing device according to claim 4, characterized in that: The upper half of the mounting rod (2531) is provided with external threads and two nuts (2539) that are screwed into the external threads. The suspension (243) has two through holes for the mounting rod (2531) to pass through.

6. The automotive door lock dispensing device according to claim 1, characterized in that: The auxiliary adhesive removal mechanism (3) includes a second upright (31), a rotating seat (32), and an angle adjustment component (33). A horizontal plate (311) is provided on the top side wall of the second upright (31). Two symmetrically arranged auxiliary support seats (312) are provided at the end of the horizontal plate (311) away from the second upright (31). A rotating shaft (321) is rotatably provided on the rotating seat (32). A swing rod (322) is provided at one end of the rotating shaft (321). A first electric push rod (323) is provided at one end of the swing rod (322). A mounting frame (324) is provided at the output end of the first electric push rod (323). A horizontally arranged scraper (325) is provided on the mounting frame (324). The rotating seat (32) is located on the top of the horizontal plate (311). The angle adjustment component (33) is located on the second upright (31), and the other end of the rotating shaft (321) is connected to the angle adjustment component (33) in a transmission connection.

7. The automotive door lock dispensing device according to claim 6, characterized in that: The angle adjustment assembly (33) includes a fixed plate (331), a second electric push rod (332), a rack (333), and a first gear (334). The top of the second stand (31) is provided with a first rotating hole. The other end of the rotating shaft (321) is rotatably disposed in the first rotating hole. The fixed plate (331) is disposed on the back of the top of the second stand (31). The second electric push rod (332) is horizontally disposed on the fixed plate (331). The rack (333) is disposed on the output end of the second electric push rod (332). The first gear (334) is disposed on the other end of the rotating shaft (321), and the first gear (334) meshes with the rack (333).

8. The automotive door lock dispensing device according to claim 1, characterized in that: The mounting fixture (5) includes a mounting plate (51), a limiting component (52) for limiting the car door lock, and an ejection component (53) for ejecting the car door lock. The top of the mounting plate (51) is provided with a mounting slot (511) for placing the car door lock. The mounting plate (51) is set on the top of the turntable (4). The limiting component (52) is set on the mounting plate (51). The ejection component (53) is set on the bottom of the turntable (4). The ejection component (53) is connected to the limiting component (52) in a driving manner.

9. The automotive door lock dispensing device according to claim 8, characterized in that: The ejection assembly (53) includes a base plate (531), an ejection electric push rod (532), and an ejection block (533). The turntable (4) has four first through holes (41) for the ejection block (533) to pass through. The bottom of the placement groove (511) has a second through hole (514) for the ejection block (533) to pass through. The base plate (531) is located at the bottom of the turntable (4). The ejection electric push rod (532) is vertically located at the bottom of the base plate (531). The ejection block (533) is located at the output end of the ejection electric push rod (532). The ejection block (533) is connected to the limiting assembly (52) in a transmission manner.

10. The automotive door lock dispensing device according to claim 9, characterized in that: The limiting component (52) includes two limiting parts diagonally arranged on both sides of the second through hole (514). The limiting parts include a synchronous shaft, two mounting seats (521), a support rod (522) with a polygonal cross section, and a synchronous plate (523). The top of the synchronous shaft is provided with a retaining plate (524), and the bottom of the synchronous shaft is provided with a second gear (525). A third spring (5221) is sleeved on the support rod (522), and a synchronous block (5222) is slidably arranged on the support rod (522). The head end of the synchronous plate (523) is provided with an arc edge, and the bottom of the head end of the synchronous plate (523) is provided with a third wedge surface (5231). The tail end of the synchronous plate (523) is provided with multiple equally spaced toothed grooves (5232). The bottom of the mounting plate (51) has two diagonally arranged mounting grooves (512), and a removable cover (513) is provided in the mounting groove (512). The mounting groove (512) has sliding grooves on both ends of the groove wall. The top of the mounting plate (51) has two second rotating holes arranged diagonally and rotating with the synchronous shaft. The second rotating holes are connected to the mounting groove (512). The top of the ejector block (533) has a fourth wedge surface (5331) that cooperates with the third wedge surface (5231). The bottom of the clamping plate (524) is in contact with the top of the mounting plate (51). The second gear (525) is located in the mounting groove (512). The two mounting seats (521) are symmetrically arranged in the mounting groove (512). The two ends of the third spring (5221) abut against one of the mounting seats (521) and the synchronous block (5222) respectively. The front half of the synchronous plate (523) is slidably arranged in one of the sliding grooves. The synchronous block (5222) is fixedly connected to the synchronous plate (523). The tooth groove (5232) meshes with the second gear (525).

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