Watchband threading mechanism

Abstract

The invention discloses a watchband threading mechanism which comprises a rotating disc, a fixing seat used for placing a watchband is arranged on the rotating disc, and a wire clamp used for clamping a wire end is arranged on the fixing seat; a flattening mechanism, a wire supply machine, a clamping jaw robot and a threading machine are arranged on one side of the rotary table, the flattening mechanism is used for pressing a watchband, the wire supply machine is used for providing a wire for the clamping jaw robot to pull, the threading machine comprises a crochet hook assembly and a wire clamping assembly, and the crochet hook assembly is used for penetrating through a threading hole of the watchband, hooking the wire pulled out by the clamping jaw robot and pulling the wire downwards to penetrate through the threading hole; the thread clamping assembly is used for continuously clamping the thread ends and pulling down the thread ends by a reserved distance, so that the clamping jaw robot continuously pulls the thread to the crochet hook assembly, the thread is broken by the thread supply machine after threading is finished, and the thread ends at the two ends are respectively clamped on the thread clamps through the clamping jaw robot. According to the watchband threading device, automatic threading of watchbands is achieved, time and labor are saved, the operation efficiency is greatly improved, and the watchband threading device is suitable for large-scale production operation.

Description

Technical Field

[0001] The invention relates to the technical field of watch strap processing, and in particular to a watch strap threading mechanism. Background Art

[0002] The initial structure of the existing strap a is as follows Figure 1 As shown, the final product is Figure 2 As shown, the first step in processing is to thread the wire in the threading hole a0. Currently, threading is usually done manually, and there is no automated threading equipment. Manual threading is time-consuming, labor-intensive, and inefficient, and is not suitable for large-scale production operations. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a watch strap threading mechanism, aiming to solve the technical problem in the prior art that manual threading is time-consuming, labor-intensive, inefficient, and not suitable for mass production operations.

[0004] The technical solution of the present invention is: a watch strap threading mechanism, comprising a turntable, a fixed seat for placing the watch strap is provided on the turntable, and a wire clamp for clamping the thread end is provided on the fixed seat; a flattening mechanism, a wire feeder, a gripper robot, and a threading machine are provided on one side of the turntable, the flattening mechanism is used to press the watch strap, the wire feeder is used to provide wire for the gripper robot to pull, the threading machine comprises a hook needle assembly and a wire clamping assembly, the hook needle assembly is used to pass through the threading hole of the watch strap, hook the wire pulled out by the gripper robot and pull it down through the threading hole, the wire clamping assembly is used to continue to clamp the thread end and pull down a reserved distance for the gripper robot to continue to pull the wire to hook it onto the hook needle assembly, the wire feeder cuts the wire after the threading is completed, and the thread ends at both ends are respectively clamped on the wire clamp by the gripper robot.

[0005] Furthermore, the fixing seat in the present invention includes a fixing seat body, a fixing clip installed on the fixing seat body through a spring for clamping the watch strap, the wire clamp is installed at the end of the fixing seat body, and the upper end of the wire clamp is provided with two spaced-apart wire clamping parts.

[0006] Furthermore, the flattening mechanism in the present invention includes a first X-axis module, a first Z-axis module connected to the first X-axis module, and a pressure rod connected to the first Z-axis module, and the length of the pressure rod extends in a direction perpendicular to the fixing seat.

[0007] Furthermore, the wire feeding machine in the present invention comprises a wire feeding device, a first threading seat, a wire clamping device, a second threading seat, and a wire breaking device which are arranged in sequence at intervals, the wire clamping device comprises a wire clamping claw driven by a wire clamping cylinder, and the wire breaking device comprises a scissors which can be raised and lowered and installed at the front end of the second threading seat.

[0008] Furthermore, the gripper robot in the present invention comprises a robot body and a robot gripper assembly connected to the robot body and driven by a rotary cylinder.

[0009] Furthermore, the crochet hook assembly in the present invention includes a second X-axis module, a Y-axis module connected to the second X-axis module, a second Z-axis module connected to the Y-axis module, and a crochet hook connected to the second Z-axis module, wherein a hook thread opening is opened at the top of the crochet hook.

[0010] Furthermore, the wire clamping assembly in the present invention includes a wire clamping claw assembly connected to the Y-axis module and driven by a lifting cylinder, and the wire clamping claw assembly is located below the fixing seat.

[0011] Compared with the prior art, the present invention has the following advantages: the watch strap threading mechanism of the present invention can fix the watch strap on the fixed seat of the turntable, and prevent the watch strap from moving by pressing it with a flattening mechanism; the wire feeding machine provides wire, and through the cooperation of the clamping robot and the threading machine, the wire can be continuously wound into the threading hole of the watch strap; after the threading is completed, the wire feeding machine automatically cuts off the wire, and the thread ends at both ends are grasped by the clamping robot and clamped on the wire clamps respectively, and rotated with the watch strap to the next workstation for the next process, thereby realizing the automatic threading of the watch strap, saving time and labor, greatly improving the working efficiency, and being suitable for large-scale production operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the initial structure of a watch strap in the prior art;

[0013] Figure 2 It is a schematic diagram of the finished product structure of a watch strap in the prior art;

[0014] Figure 3 It is a structural schematic diagram of the present invention;

[0015] Figure 4 It is a schematic diagram of the specific structure of the fixing seat described in the present invention;

[0016] Figure 5 It is a schematic diagram of the specific structure of the flattening mechanism described in the present invention;

[0017] Figure 6 It is a schematic diagram of the specific structure of the wire feeding machine described in the present invention;

[0018] Figure 7 is a schematic diagram of the specific structure of the gripper robot described in the present invention;

[0019] Figure 8 It is a schematic diagram of the specific structure of the threading machine described in the present invention;

[0020] Fig. 9It is a schematic diagram of the specific arrangement of the hook and line port described in the present invention;

[0021] Fig.10 It is a schematic diagram of the partial layout of the fixing seat, the flattening mechanism, and the threading machine in the present invention.

[0022] in:

[0023] 1. Turntable;

[0024] 2. Fixed seat; 201. Fixed seat body; 202. Fixed clip;

[0025] 3. Wire clamp; 3a. Wire clamping part;

[0026] 4. Flattening mechanism; 401. First X-axis module; 402. First Z-axis module; 403. Pressing rod;

[0027] 5. Wire feeding machine; 501. Wire feeding device; 502. First threading seat; 503. Wire clamping device; 503a. Wire clamping cylinder; 503b. Wire clamping claw; 504. Second threading seat; 505. Wire breaking device;

[0028] 6. Gripper robot; 601. Robot body; 602. Rotating cylinder; 603. Robot gripper assembly;

[0029] 7. Threading machine; 701. Hook assembly; 701a. Second X-axis module; 701b. Y-axis module; 701c. Second Z-axis module; 701d. Hook; 702. Wire clamp assembly; 702a. Lifting cylinder; 702b. Wire clamp claw assembly;

[0030] 8. Hook and line mouth;

[0031] a, watch strap; a0, threading hole; b, wire. DETAILED DESCRIPTION

[0032] The specific implementation modes of the present invention are described in detail below with reference to the accompanying drawings.

[0033] Example:

[0034] Combination Figures 3 to 10 FIG. 1 is a specific embodiment of a watch strap threading mechanism of the present invention, referring to FIG. Figure 3 It mainly includes a turntable 1, on which a fixing seat 2 for placing a watch strap a is provided, combined with Figure 4The fixing seat 2 includes a fixing seat body 201 and a fixing clip 202 installed on the fixing seat body 201 through a spring. When placing the watch band a, the fixing clip 202 is pushed inward to place the watch band a on the fixing seat body 201, and the fixing clip 202 is released. Under the action of the spring, the fixing clip 202 is used to clamp the watch band a. A wire clamp 3 is provided at the end of the fixing seat body 201 of the fixing seat 2. Two wire clamping parts 3a arranged at intervals are provided on the upper end of the wire clamp 3, which are used to clamp two wire ends respectively.

[0035] A flattening mechanism 4, a wire feeding machine 5, a gripper robot 6, and a threading machine 7 are provided on one side of the turntable 1. Figure 5 The flattening mechanism 4 includes a first X-axis module 401, a first Z-axis module 402 connected to the first X-axis module 401, and a pressure rod 403 connected to the first Z-axis module 402, and the length of the pressure rod 403 extends in a direction perpendicular to the fixing seat 2. After the strap a is placed on the fixing seat 2, the pressure rod 403 is moved by the first X-axis module 401 and the first Z-axis module 402, and the pressure rod 403 is used to press the strap a, thereby preventing the strap a from moving.

[0036] Reference Figure 6 The wire feeding machine 5 includes a wire feeding device 501, a first threading seat 502, a wire clamping device 503, a second threading seat 504, and a wire breaking device 505, which are arranged in sequence. The wire b provided by the wire feeding device 501 passes through the first threading seat 502, the wire clamping device 503, and the second threading seat 504 in sequence. The wire clamping device 503 includes a wire clamping claw 503b driven by a wire clamping cylinder 503a, and the wire clamping claw 503b can clamp the wire b. The wire breaking device 505 includes a scissors that can be lifted and installed at the front end of the second threading seat 504, and the scissors can be lifted and cut the wire b.

[0037] The wire feeding machine 5 is used to provide the wire b for the gripper robot 6 to pull. Figure 7 The gripper robot 6 includes a robot body 601, a robot gripper assembly 603 connected to the robot body 601 and driven by a rotary cylinder 602, and the robot gripper assembly 603 can clamp the thread head and cooperate with the threading machine 7 to perform the threading action.

[0038] Reference Figure 8 The threading machine 7 includes a hook assembly 701 and a clamp assembly 702. The hook assembly 701 includes a second X-axis module 701a, a Y-axis module 701b connected to the second X-axis module 701a, a second Z-axis module 701c connected to the Y-axis module 701b, and a hook 701d connected to the second Z-axis module 701c. Fig. 9The top of the hook needle 701d is provided with a hook thread opening 8. When hooking the thread, the hook needle 701d passes through the threading hole a0 of the strap a, and the wire b pulled out by the gripper robot 6 passes around the hook thread opening 8 of the hook needle 701d. The hook needle 701d is driven by the module to pull the wire b down through the threading hole a0, and pull the thread end to the bottom of the strap a.

[0039] The wire clamping assembly 702 includes a wire clamping claw assembly 702b connected to the Y-axis module 701b and driven by a lifting cylinder 702a, and the wire clamping claw assembly 702b is located below the fixed seat 2. After the hook needle assembly 701 completes a hooking action downward, the wire clamping claw assembly 702b clamps the wire b, and the lifting cylinder 702a drives the wire clamping claw assembly 702b to descend, and continues to pull down the wire b, while leaving a distance between the wire clamping claw assembly 702b and the fixed seat 2, and the gripper robot 6 can extend between the wire clamping claw assembly 702b and the fixed seat 2, and continue to pull the wire b to hook it onto the hook needle assembly 701.

[0040] When the watchband threading mechanism of the present invention is in operation, the watchband a is placed on the fixing seat 2 and fixed by the fixing clamp 202, and then the watchband a is pressed by the pressure rod 403 of the flattening mechanism 4 to prevent the watchband a from moving. The hook 701d on the threading machine 7 passes through the threading hole a0 of the watchband a, and the gripper robot 6 grips the thread end of the wire b from the wire supply machine 5 and passes around the hook thread opening 8 of the hook 701d. The module drives the hook 701d and the wire to move downward, passes the wire through the threading hole a0 of the watchband a, and pulls the thread end to the bottom of the watchband a. Then the wire clamping claw assembly 702b grips the wire b, and the lifting cylinder 702a drives the wire clamping claw assembly 702b and the wire to move downward, and a distance is reserved between the wire clamping claw assembly 702b and the fixing seat 2, and then the gripper robot 6 extends to the wire clamping claw assembly 70 2b and the fixed seat 2, holding the thread end and continuing to pass around the hook needle 701d, repeating the threading action several times, the threading is completed, at this time the thread end is clamped by the clamping claw assembly 702b, the clamping claw robot 6 first clamps the wire b led by the wire feeder 5, the scissors of the wire feeder 5 rise and cut the wire b to cut the wire, the clamping claw robot 6 clamps the thread end of this end in one of the clamping parts 3a of the wire clamp 3, and then extends to between the clamping claw assembly 702b and the fixed seat 2, clamps the thread end of the other end and clamps it in another clamping part 3a of the wire clamp 3, and then completes all the threading actions. Finally, the pressure rod 403 of the flattening mechanism 4 is lifted to release the strap a, and the completed strap a rotates with the turntable 1 to the next station for the next process.

[0041] Of course, the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any modifications made according to the spirit of the main technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A watch strap threading mechanism, characterized in that: The invention comprises a rotating disk (1), wherein a fixing seat (2) for placing a watch strap (a) is provided on the rotating disk (1), and a wire clamp (3) for clamping a thread end is provided on the fixing seat (2); a flattening mechanism (4), a wire supply machine (5), a gripping robot (6), and a threading machine (7) are provided on one side of the rotating disk (1); the flattening mechanism (4) is used to press the watch strap (a), the wire supply machine (5) is used to provide a wire (b) for the gripping robot (6) to pull, and the threading machine (7) comprises a hook needle assembly (701) and a wire clamp assembly (702). The hook assembly (701) is used to pass through the threading hole (a0) of the watchband (a), hook the wire (b) pulled out by the gripper robot (6) and pull it down through the threading hole (a0), and the clamping assembly (702) is used to continue to clamp the thread end and pull it down to a reserved distance for the gripper robot (6) to continue to pull the wire (b) and hook it onto the hook assembly (701). After the threading is completed, the wire feeding machine (5) cuts the wire, and the thread ends at both ends are respectively clamped on the wire clamp (3) through the gripper robot (6).

2. A watch strap threading mechanism according to claim 1, characterized in that: The fixing seat (2) comprises a fixing seat body (201), a fixing clip (202) mounted on the fixing seat body (201) via a spring and used for clamping a watch band (a), the wire clip (3) being mounted at the end of the fixing seat body (201), and the upper end of the wire clip (3) being provided with two wire clamping portions (3a) arranged at intervals.

3. A watchband threading mechanism according to claim 1, characterized in that: The flattening mechanism (4) comprises a first X-axis module (401), a first Z-axis module (402) connected to the first X-axis module (401), and a pressure rod (403) connected to the first Z-axis module (402), wherein the length of the pressure rod (403) extends in a direction perpendicular to the fixing seat (2).

4. A watchband threading mechanism according to claim 1, characterized in that: The wire feeding machine (5) comprises a wire feeding device (501), a first threading seat (502), a wire clamping device (503), a second threading seat (504), and a wire breaking device (505) which are arranged in sequence and at intervals. The wire clamping device (503) comprises a wire clamping claw (503b) driven by a wire clamping cylinder (503a), and the wire breaking device (505) comprises a scissors which can be lifted and lowered and installed at the front end of the second threading seat (504).

5. A watchband threading mechanism according to claim 1, characterized in that: The gripper robot (6) comprises a robot body (601) and a robot gripper assembly (603) connected to the robot body (601) and driven by a rotary cylinder (602).

6. A watchband threading mechanism according to claim 1, characterized in that: The crochet hook assembly (701) includes a second X-axis module (701a), a Y-axis module (701b) connected to the second X-axis module (701a), a second Z-axis module (701c) connected to the Y-axis module (701b), and a crochet hook (701d) connected to the second Z-axis module (701c), wherein a hook thread opening (8) is provided at the top end of the crochet hook (701d).

7. A watchband threading mechanism according to claim 6, characterized in that: The wire clamping assembly (702) comprises a wire clamping claw assembly (702b) connected to the Y-axis module (701b) and driven by a lifting cylinder (702a), and the wire clamping claw assembly (702b) is located below the fixing seat (2).

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