Automatic watchband assembling machine

Abstract

The utility model relates to an automatic watchband assembling machine, which comprises a conveying device provided with a jig; the plastic plug feeding device comprises a carrying assembly and a clamp installed on the carrying assembly, and the carrying assembly drives the clamp to clamp the plastic plug and place the plastic plug into the jig; the watchband feeding device is used for transferring a watchband into the jig, and the watchband covers the plastic plug; the assembling device is used for pushing the plastic plug into the watchband; the spring feeding device is provided with a feeding part and a clamping assembly installed on the feeding part, the feeding part drives the clamping assembly to clamp the spring and place the spring into the jig, and the spring enters the watchband to be matched with the plastic plug; the fastener feeding device is provided with a movable suction part and a pressing block, the suction part is used for sucking the fastener, the pressing block is used for ejecting the fastener sucked by the suction part, and the fastener is pressed into the watchband and is in butt joint with the plastic plug; the watchbands and the parts of the watchbands are sequentially placed into the jig through the multiple feeding devices, assembling is completed, and the automation level and the assembling efficiency are improved.

Description

Technical Field

[0001] The invention relates to the technical field of automatic assembly, and in particular to an automatic watch strap assembly machine. Background Art

[0002] The straps of wearable devices such as watches and bracelets are generally replaceable. The strap and the dial are usually connected by a buckle structure to facilitate subsequent replacement and adjustment of the strap. The buckle structure is to set a buckle at one end of the strap and set a buckle structure on the wearable device. The assembly of the strap and the wearable device is achieved through the engagement of the buckle and the buckle structure; when disassembling, the strap and the wearable device are disassembled by pressing the button on the buckle structure.

[0003] In order to save process and assembly time, it is necessary to pre-install buckles on the strap and then dock it with the dial. However, since the buckle structure consists of many parts, such as plastic plugs, springs, fasteners, etc., the shape is relatively complex and difficult to install, manual assembly is very difficult, and there are problems such as low efficiency and high labor intensity.

[0004] Therefore, it is necessary to develop a watchband automatic assembly machine to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a watch strap automatic assembling machine with high automation and high efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an automatic watchband assembly machine, comprising:

[0007] A conveying device, which is equipped with a jig and drives the jig to move;

[0008] The plastic plug feeding device comprises a conveying assembly and a fixture mounted on the conveying assembly, wherein the conveying assembly drives the fixture to clamp the plastic plug and place it into the fixture;

[0009] A watch strap feeding device, used to transfer the watch strap into the jig, the watch strap covering the plastic plug;

[0010] Assembling the device to push the plastic plug into the strap;

[0011] The spring feeding device comprises a feeding component and a clamping assembly mounted on the feeding component, wherein the feeding component drives the clamping assembly to clamp the spring and put it into the fixture, and the spring enters the watchband and cooperates with the plastic plug;

[0012] The fastener feeding device comprises a movable suction part and a pressing block, wherein the suction part is used to suck the fastener, and the pressing block ejects the fastener sucked by the suction part, presses the fastener into the watch band and docks with the plastic plug.

[0013] Furthermore, the fixture has a material receiving groove and a movable block for respectively accommodating the watch strap and the plastic plug, and the movable block can move into the material receiving groove to clamp the plastic plug.

[0014] Furthermore, the assembling device has a lifting piece, and the lifting piece pushes the plastic plug into the watch band from below the fixture.

[0015] Furthermore, the clamping assembly includes a pair of material extraction needles, and the pair of clamping plates are used to clamp the spring, and the material extraction needles extend into the spring to support the inner ring of the spring.

[0016] Furthermore, the spring feeding device also includes a discharge limiter, which is used to limit the outer ring of the spring.

[0017] Furthermore, the material discharge limiting member has a leakage hole, the top diameter of the leakage hole is larger than the bottom diameter thereof, and when the spring is placed, the material discharge limiting member is located above the fixture.

[0018] Furthermore, the conveying device includes a first conveying part and a second conveying part and a transfer component located between the first conveying part and the second conveying part, the first conveying part and the second conveying part have the same structure and are arranged in parallel, and the transfer component is used to transport the jig on the first conveying part to the second conveying part.

[0019] Furthermore, the transfer component has a clamp that can move in the X and Z directions, and a bottom camera is provided below the clamp. The bottom camera is used to detect the docking condition of the strap and the parts. When the docking fails, the unqualified strap will be discarded.

[0020] Compared with the prior art, the beneficial effects of the utility model are: the utility model is a watch strap assembly machine with the characteristics of high automation and high efficiency. The jig is transported to one side of several feeding devices in sequence through a conveying device, and the plastic plug feeding device, the watch strap feeding device, the spring feeding device, and the fastener feeding device then put the watch strap and its components into the jig in sequence to complete the assembly, thereby improving the automation level and assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0022] Figure 1It is a three-dimensional structural schematic diagram of an automatic watch strap assembly machine of the utility model;

[0023] Figure 2 for Figure 1 The schematic diagram of the fixture structure of the automatic watch strap assembly machine is shown;

[0024] Figure 3 for Figure 1 The structural schematic diagram of the plastic plug feeding device of the automatic watch strap assembly machine shown;

[0025] Figure 4 for Figure 1 The structural schematic diagram of the watch strap feeding device of the watch strap automatic assembly machine shown;

[0026] Figure 5 for Figure 1 The schematic diagram of the structure of the assembly device of the automatic watch strap assembly machine is shown;

[0027] Figure 6 for Figure 1 The schematic diagram of the structure of the spring feeding device of the automatic watch strap assembly machine is shown;

[0028] Figure 7 for Figure 6 A schematic diagram of the structure of the clamping assembly of the spring feeding device of the automatic watch strap assembly machine shown;

[0029] Figure 8 for Figure 7 A schematic diagram of a partial structure of a clamping assembly of a spring feeding device of an automatic watch strap assembly machine;

[0030] Fig. 9 for Figure 1 The schematic diagram of the structure of the material discharging and limiting parts of the automatic watch strap assembly machine is shown;

[0031] Fig.10 for Figure 1 The schematic diagram of the structure of the fastener feeding device of the automatic watch strap assembly machine is shown.

[0032] In the figure: 1, frame; 2, conveying device; 3, plastic plug feeding device; 4, strap feeding device; 5, spring feeding device; 6, fastener feeding device; 7, assembly device; 21, first conveying part; 22, second conveying part; 23, conveyor belt; 24, fixture; 25, fixed structure; 26, transfer assembly; 241, fixed plate; 242, docking plate; 243, movable block; 244, limit block; 245, receiving trough ; 261, clamping claw; 31, loading bin; 32, tray; 33, handling assembly; 34, fixture; 35, unloading bin; 36, loading pusher; 37, unloading pusher; 38, incoming material detection camera; 331, handling X axis; 332, handling Y axis; 333, handling Z axis; 41, material placement platform; 42, buffer belt line; 43, loading transfer member; 44, feeding transfer member; 431, clamping member; 432, suction 45, secondary positioning part; 71, lifting part; 72, pressing part; 73, ejector rod; 74, pressing plate; 51, feeding part; 52, clamp; 53, material release limiter; 521, fixing frame; 522, lifting part; 523, positioning part; 524, clamping assembly; 5211, slide rail; 5221, lifting drive; 5222, lifting block; 5231, positioning drive; 5232, mounting plate; 5233, Pick-up needle; 5241, fixed plate; 5242, clamping drive member; 5243, clamping plate; 5244, driving rod; 5245, track; 5246, elastic member; 5247, roller; 5248, buffer member; 5249, clamping groove; 531, leak hole; 61, vibrating plate; 62, transverse member; 63, moving member; 64, clamp assembly; 641, clamp drive unit; 642, suction unit; 643, pressing block. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Please see Figures 1 to 10 The utility model is an automatic watch strap assembly machine, which includes a frame 1, a conveying device 2 installed on the frame 1, a plastic plug feeding device 3 located on one side of the conveying device 2, a watch strap feeding device 4, a spring feeding device 5 and a fastener feeding device 6.

[0035] Please see Figure 1 , frame 1 is used to carry the above-mentioned several mechanisms.

[0036] Please see Figure 1 to Figure 2The conveying device 2 includes a first conveying part 21 and a second conveying part 22 and a transfer component 26 located between the first conveying part 21 and the second conveying part 22. The first conveying part 21 and the second conveying part 22 have the same structure and are arranged in parallel. It includes a conveyor belt 23, a fixture 24 docking with the conveyor belt 23 and a fixing structure 25 for fixing the conveyor belt 23. The conveyor belt 23 can be installed with multiple fixtures 24 according to needs, and drive the fixtures 24 to move in the direction of the plastic plug feeding device 3, the strap feeding device 4, the spring feeding device 5 and the fastener feeding device 6 in sequence.

[0037] Please see Figure 2 The jig 24 includes a fixed plate 241 connected to the conveyor belt 23, a docking plate 242 installed on the fixed plate 241, and a movable block 243 located between the fixed plate 241 and the docking plate 242. The docking plate 242 is fixedly connected to the fixed plate 241. The docking plate 242 has a limit block 244 protruding outward from its upper surface and a material receiving groove 245 recessed inward from the upper surface of the limit block 244. The material receiving groove 245 is used to accommodate watch straps and parts. The limit blocks 244 are located on both sides of the material receiving groove 245 to limit the movement of the watch strap. There is space for the movable block 243 to move between the docking plate 242 and the fixed plate 241. The movable block 243 is moved by a driving device such as a cylinder or a motor. There is a spacing between the end face of the movable block 243 and the docking plate 242. The spacing is used to clamp the parts to keep the parts in a vertical upward state.

[0038] Please see Figure 1 The transfer component 26 has a clamp 261 that can move in the X and Z directions. The clamp 261 clamps the fixture 24 on the first conveying part 21 and puts it on the second conveying part 22. A bottom camera is provided below the clamp 261. The bottom camera is used to detect the docking condition of the strap and parts. When the docking fails, the unqualified strap will be removed.

[0039] Please see Figure 3 The plastic plug feeding device 3 includes a feeding bin 31, a material tray 32 located in the upper feeding bin 31, a conveying assembly 33 for conveying the material tray 32, a clamp 34 driven by the conveying assembly 33, and a lower feeding bin 35. A plurality of material trays 32 can be arranged in the upper feeding bin 31. A feeding pushing member 36 is provided below the upper feeding bin 31. The feeding pushing member 36 can move vertically upward to lift the material tray 32 and move toward the conveying assembly 33. The lower feeding bin 35 is located on one side of the end of the feeding pushing member 36, and a feeding pushing member 37 is provided on the other side. The feeding pushing member 37 pushes the material tray 32 after loading into the lower feeding bin 35. Secondly, an incoming material detection camera 38 is provided above the feeding pushing member 36 for detecting the material position on the material tray 32.

[0040] The transport component 33 is located on a side including the loading and pushing member 36, and includes a transport X-axis 331, a transport Y-axis 332, and a transport Z-axis 333. The clamp 34 is installed on the transport Z-axis 333, that is, the clamp 34 can move in three directions of X, Y, and Z through the transport X-axis 331, the transport Y-axis 332, and the transport Z-axis 333. The clamp 34 is used to clamp the plastic plug and then transfer it to the fixture 24, that is, within the spacing between the end face of the movable block 243 and the docking plate 242. A correction camera is provided between the transport component 33 and the conveying device 2 to detect whether the clamp 34 is clamped normally.

[0041] Please see Figure 4 The strap loading device 4 includes a loading platform 41, a buffer belt line 42 located on one side of the loading platform 41, a loading transfer member 43 and a feeding transfer member 44. The loading platforms 41 are respectively located on both sides of the buffer belt line 42, and a plurality of straps are placed on the upper surface thereof. The loading transfer member 43 has a clamping member 431 and a suction member 432. The clamping member 431 and the suction member 432 move synchronously and clamp or suck the same strap together. The clamping member 431 is driven by an external force such as a cylinder to clamp both sides of the strap, and the suction member 432 can be adsorbed on the surface of the strap. The loading transfer member 43 is moved to the X and Z directions to the feeding transfer member 44 through the clamping member 431 and the suction member 432, and the buffer belt line 42 then transports the strap to one side of the feeding transfer member 44.

[0042] There is also a secondary positioning part 45 between the feed transfer part 44 and the cache belt line 42. The feed transfer part 44 has a clamping part 431 and a suction part 432. The clamping part 431 clamps the strap of the feed transfer part 44 to the secondary positioning part 45, and the suction part 432 then sucks the strap into the fixture 24 through the suction cup, and the strap covers the top of the component.

[0043] Please see Figure 5 An assembly device 7 is provided on one side of the end of the conveying device 2. The assembly device 7 includes a lifting member 71 and a pressing member 72. The lifting member 71 is driven by a cylinder or a motor, and has a push rod 73. The push rod 73 can move vertically upward through the fixture 24 to lift the parts into the strap. At the same time, the pressing member 72 is driven by a cylinder or a motor, and has a pressing plate 74. The pressing plate 74 can move vertically downward to fix the strap.

[0044] Please see Figure 6 and Figure 7The spring feeding device 5 includes a feeding component 51 and a clamp 52. The feeding component 51 is the same as the feeding part of the plastic plug feeding device 3. The clamp 52 includes a fixed frame 521, a lifting part 522 and a positioning part 523 installed on the fixed frame 521, and a clamping assembly 524 arranged at the end of the lifting part 522. A slide rail 5211 is provided at the bottom of the fixed frame 521, and the slide rail 5211 extends vertically downward. The lifting part 522 includes a lifting driving member 5221 and a lifting block 5222 driven by the lifting driving member 5221. The lifting driving member 5221 is fixedly connected to the fixed frame 521, and the lifting block 52 One side of 22 is movably connected to the slide rail 5211, and the lifting drive member 5221 drives the lifting block 5222 to move vertically along the slide rail 5211. The positioning part 523 includes a positioning drive member 5231, a mounting plate 5232 pushed by the positioning drive member 5231, and a material picking needle 5233. The positioning drive member 5231 is fixedly connected to the fixed frame 521, and drives the mounting plate 5232 to move vertically downward. A pair of material picking needles 5233 are fixedly connected to the end of the mounting plate 5232. The material picking needles 5233 extend vertically downward from the lower surface of the mounting plate 5232, and the spacing between the pair of material picking needles 5233 changes according to demand.

[0045] Please see Figure 8 The clamping assembly 524 includes a fixed plate 5241 fixedly connected to the lifting block 5222, a clamping driving member 5242 arranged on the lower surface of the fixed plate 5241, and a pair of clamping plates 5243 respectively driven by the clamping driving member 5242. The fixed plate 5241 moves synchronously with the lifting block 5222, and the clamping driving member 5242 moves synchronously with the lifting block 5222. It has a driving rod 5244, which vertically penetrates the fixed plate 5241 downward. The lower surface of the fixed plate 5241 has a pair of rails 5245 arranged in parallel, and a pair of clamping plates 5243 are respectively movably connected to the rails 5245. The outer end of the clamping plate 5243 is provided with an elastic member 5246, and one end of the elastic member 5246 abuts against the fixed plate 5241. , and the other end abuts against the clamping plate 5243. The inner end of the clamping plate 5243 is provided with a roller 5247. When the driving rod 5244 descends, it enters between the inner ends of the clamping plate 5243 and pushes a pair of clamping plates 5243 to move in opposite directions through the roller 5247. The elastic member 5246 is compressed. When the driving rod 5244 rises, the elastic member 5246 rebounds and pushes a pair of clamping plates 5243 to move relative to each other, which is used to clamp or release the spring. A buffer member 5248 is provided at the opposite end of the clamping plate 5243. When clamping the spring, the buffer member 5248 can move to a certain extent to avoid clamping the spring. The opposite side of the buffer member 5248 and the clamping plate 5243 is recessed inward from its surface to form a clamping groove 5249 for clamping the spring.

[0046] Please see Fig. 9A material discharge limiter 53 is provided on one side of the clamp 52. When the spring is placed, the material discharge limiter 53 is located above the fixture 24. The material discharge limiter 53 has a leak hole 531, and the top diameter of the leak hole 531 is larger than the bottom diameter thereof.

[0047] A pair of clamping plates 5243 move relative to each other. After clamping the spring, a pair of material taking needles 5233 move downward into the spring and support the inner ring of the spring. The spring moves to above the material discharge limiter 53 and discharges the material through the leakage hole 531. The diameter of the leakage hole 531 is larger than the diameter of the spring, and it supports the outer ring of the spring. After the pair of clamping plates 5243 move in opposite directions, the spring passes through the leakage hole 531 and enters the watch strap.

[0048] A camera detection device is provided above the second conveying portion 22 for detecting whether the spring is assembled in place.

[0049] Please see Fig.10 The fastener feeding device 6 includes a vibration plate 61, a transverse member 62 located on one side of the vibration plate 61, a moving member 63 arranged above the transverse member 62, and a clamp assembly 64. A number of fasteners can be placed in the vibration plate 61. The outlet of the vibration plate 61 extends to one side of the transverse member 62. The transverse member 62 is some kind of conveying equipment, such as a motor-driven platform, a cylinder-driven platform, a conveyor belt, etc. The vibration plate 61 vibrates and conveys the fasteners to the transverse member 62, and the transverse member 62 then conveys the fasteners to the bottom of the moving member 63. The clamp assembly 64 is installed on the moving member 63. The moving member 63 has a moving axis that can move in three directions of X, Y, and Z. The moving member 63 drives the clamp assembly 64 through the moving axis to clamp the fasteners and move toward the second conveying part 22 and feed.

[0050] The clamp assembly 64 includes a clamp driving part 641, a suction part 642 driven by the clamp driving part 641, and a pressure block 643. The clamp driving part 641 is fixed on the movable part 63, the suction part 642 is located below the clamp driving part 641, and can suck the fasteners located on the transverse member 62. The pressure block 643 is pushed by other driving parts, and can eject the fasteners sucked by the suction part 642, thereby pressing the fasteners into the strap.

[0051] When the watch strap assembly machine of the utility model is used, the first conveying part 21 moves the jig 24 to one side of the plastic plug feeding device 3, the feeding pushing member 36 moves vertically upward to lift the material tray 32 and moves toward the conveying component 33, the conveying component 33 drives the clamp 34 to clamp the parts and then transfer them to the jig 24, the movable block 243 is moved by a driving device such as a cylinder or a motor, the end face of the movable block 243 and the docking plate 242 clamp the plastic plug, and the first conveying part 21 then moves the jig 24 to the watch strap feeding device 4, the loading transfer member 43 clamps or absorbs the same watch strap through the clamping member 431 and the suction member 432 to enter the cache belt line 42, and the suction member 432 then absorbs the watch strap through the suction cup to enter the fixture 24, and the watch strap covers the top of the component, and the lifting member 71 moves vertically upward through the fixture 24 to lift the plastic plug into the watch strap, and at the same time, the pressing member 72 moves vertically downward to fix the watch strap, and the transfer component 26 drives the clamping claw 261 to clamp the fixture 24 located on the first conveying part 21 and put it on the second conveying part 22.

[0052] The second conveying part 22 drives the fixture 24 to move to one side of the spring feeding device 5, and the lifting driving part 5221 drives the positioning part 523 and the clamping assembly 524 to above the spring, and the driving rod 5244 descends to push a pair of clamping plates 5243 to move in opposite directions to prepare for clamping the spring. When a pair of clamping plates 5243 move to both sides of the spring, the driving rod 5244 rises and the elastic part 5246 rebounds to push a pair of clamping plates 5243 to move relative to clamp the spring, and a pair of feeding needles 5233 move downward into the spring and support the inner ring of the spring. The spring moves to above the discharge limiter 53 and discharges the material through the leakage hole 531, which supports the outer ring of the spring to ensure the precise assembly of the spring. The fastener is transported to the predetermined position by the vibration disk 61 and the transverse member 62, and the suction part 642 driven by the clamp driving part 641 clamps the fastener, and the pressing block 643 presses the fastener to press the fastener into the strap.

[0053] The utility model is a watch strap assembly machine with the characteristics of high automation and high efficiency. A conveying device is used to sequentially convey a jig to one side of a plurality of feeding devices. The plastic plug feeding device, the watch strap feeding device, the spring feeding device and the fastener feeding device then sequentially place the watch strap and its components into the jig to complete the assembly, thereby improving the automation level and the assembly efficiency.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A watch strap automatic assembly machine, characterized in that: It includes: A conveying device (2) is installed with a jig (24) and drives the jig (24) to move; The plastic plug feeding device (3) comprises a conveying component (33) and a clamp (34) mounted on the conveying component (33), wherein the conveying component (33) drives the clamp (34) to clamp the plastic plug and place it into the fixture (24); A watch strap feeding device (4) for transferring the watch strap into the jig (24), wherein the watch strap covers the plastic plug; Assembling device (7), pushing the plastic plug into the watch band; The spring feeding device (5) comprises a feeding component (51) and a clamping assembly (524) mounted on the feeding component (51), wherein the feeding component (51) drives the clamping assembly (524) to clamp the spring and place it into the fixture (24), and the spring enters the watchband and cooperates with the plastic plug; The fastener feeding device (6) comprises a movable suction part (642) and a pressing block (643), wherein the suction part (642) is used to suck the fastener, and the pressing block (643) performs an ejection action on the fastener sucked by the suction part (642), pressing the fastener into the watchband and docking with the plastic plug.

2. The automatic watchband assembly machine according to claim 1, characterized in that: The fixture (24) comprises a material receiving groove (225) and a movable block (223) for respectively accommodating the watch strap and the plastic plug, and the movable block (223) can move into the material receiving groove (225) to clamp the plastic plug.

3. The automatic watchband assembly machine according to claim 2, characterized in that: The assembling device (7) is equipped with a lifting piece (71), and the lifting piece (71) pushes the plastic plug into the watch band from the bottom of the fixture (24).

4. The automatic watchband assembly machine according to claim 1, characterized in that: The clamping assembly (524) includes a pair of material extraction needles (5233), and the material extraction needles (5233) extend into the spring to support the inner ring of the spring.

5. The automatic watchband assembly machine according to claim 4, characterized in that: The spring feeding device (5) further comprises a discharge limiting member (53), wherein the discharge limiting member (53) is used to limit the outer ring of the spring.

6. The automatic watchband assembly machine according to claim 5, characterized in that: The material discharge limiting member (53) has a leak hole (531), the top diameter of the leak hole (531) is larger than the bottom diameter thereof, and when the spring is placed, the material discharge limiting member (53) is located above the fixture (24).

7. The automatic watchband assembly machine according to claim 1, characterized in that: The conveying device (2) comprises a first conveying part (21) and a second conveying part (22) and a transfer component (26) located between the first conveying part (21) and the second conveying part (22), wherein the first conveying part (21) and the second conveying part (22) have the same structure and are arranged in parallel, and the transfer component (26) is used to transport the jig (24) on the first conveying part (21) to the second conveying part (22).

8. The automatic watchband assembly machine according to claim 7, characterized in that: The transfer component (26) has a clamping jaw (261) that can move in the X and Z directions. A bottom camera is provided below the clamping jaw (261). The bottom camera is used to detect the docking condition of the watch strap and the component. If the docking condition fails, the unqualified watch strap will be removed.

Images