Visual positioning of a zip laser marker

Abstract

The application provides a visual positioning zipper laser marking machine, which comprises a rack, a positioning mechanism, a dragging mechanism, a visual identification mechanism and a laser mechanism. The positioning mechanism comprises a positioning plate and two sets of pressing assemblies. The positioning plate is provided with a positioning groove extending in the transverse direction. The pressing assembly comprises a support frame, a chain pressing plate and an elastic member. The support frame is arranged on the positioning plate. One end of the chain pressing plate is rotatably connected to the support frame. The other end of the chain pressing plate is inclined to the output end of the positioning groove. The elastic member is connected between the support frame and the chain pressing plate, and is used for providing elastic force to press the other end of the chain pressing plate against the zipper. The dragging mechanism is used for dragging the zipper in the transverse direction. The visual identification mechanism comprises a camera. The laser mechanism comprises a light source, which is used for making the chain teeth generate a pattern. The visual positioning zipper laser marking machine of the application can make the pattern position on the surface of the chain teeth of the zipper accurate and meet the high quality requirement through the arrangement of the pressing assembly, the positioning groove and the camera.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of zipper marking machine, in particular to a visual positioning zipper laser marking machine. BACKGROUND

[0002] Zipper has been very common in people's daily life. At present, with the rapid development of the garment industry, the demand for zippers is also developing towards diversification and high quality. In order to meet the demand of high-end clothing, clear patterns and fonts can be made on the surface of the zipper teeth by the laser device, which can also meet the functional requirements of the zipper when used in clothing, such as washing color fastness, dry cleaning color fastness and compliance with the zipper requirements. However, the position of the pattern on the surface of the zipper teeth is not accurate enough when the laser device in the prior art is used to mark the zipper, which cannot meet the high quality requirements.

[0003] Therefore, it is necessary to provide a visual positioning zipper laser marking machine to solve the above technical problems. SUMMARY

[0004] The present application provides a visual positioning zipper laser marking machine, which can accurately position the pattern on the surface of the zipper teeth and meet the high quality requirements.

[0005] The technical scheme of the present application is as follows:

[0006] A visual positioning zipper laser marking machine comprises:

[0007] a rack;

[0008] a positioning mechanism comprising a positioning plate and two sets of pressing assemblies, the positioning plate being arranged on the rack, the positioning plate being provided with a positioning groove extending in the transverse direction, the positioning groove being used for positioning the teeth; the two sets of pressing assemblies are arranged at the two ends of the positioning plate respectively, the pressing assembly comprising a support frame, a pressing plate and an elastic member, the support frame being arranged on the positioning plate, one end of the pressing plate being rotatably connected to the support frame, the other end of the pressing plate being inclined towards the output end of the positioning groove, the elastic member being connected between the support frame and the pressing plate to provide elastic force so that the other end of the pressing plate presses the zipper tightly;

[0009] a pulling mechanism arranged on the rack and located at one end of the positioning plate, used for pulling the zipper in the transverse direction;

[0010] a visual recognition mechanism comprising a camera, the camera being arranged above the positioning groove and used for recognizing the position of the teeth;

[0011] The laser mechanism comprises a light source, which is located on one side of the camera close to the towing belt mechanism and is arranged above the positioning groove for making the teeth produce patterns.

[0012] The visual positioning zipper laser marking machine comprises a positioning plate, a positioning mechanism and a supporting frame.

[0013] The visual positioning zipper laser marking machine comprises a positioning plate, a positioning mechanism and a supporting frame.

[0014] The visual positioning zipper laser marking machine comprises a positioning plate, a positioning mechanism and a supporting frame.

[0015] The visual positioning zipper laser marking machine comprises a positioning plate, a positioning mechanism and a supporting frame.

[0016] The visual positioning zipper laser marking machine, the positioning mechanism further comprises two groups of pressing components, two groups of the pressing components are arranged on the two sides of the positioning groove, and the two groups of the pressing components are located between the two groups of the pressing components.

[0017] The visual positioning zipper laser marking machine, the visual identification mechanism further comprises:

[0018] A visual fixing frame is arranged on the positioning plate, and an extension plate is arranged at the other end of the visual fixing frame, two through holes are arranged on the extension plate.

[0019] A moving plate is arranged below the extension plate, and the camera is fixed on the moving plate.

[0020] Two guide columns are arranged, one end of the guide column is fixedly connected with the moving plate, and the other end of the guide column is arranged in the through hole.

[0021] An adjusting screw is arranged, the adjusting screw is rotatably arranged on the extension plate and is threadedly connected with the moving plate, and the adjusting screw drives the moving plate and the camera to move upward or downward.

[0022] The visual positioning zipper laser marking machine, the laser mechanism further comprises:

[0023] A fixing seat is arranged on the rack, and a positioning opening extending in the vertical direction is arranged on one side of the fixing seat.

[0024] A sliding seat is arranged on the fixing seat, and the light source is arranged on the sliding seat.

[0025] A transmission assembly is arranged, the transmission assembly comprises a lead screw and a nut, the lead screw is rotatably arranged in the fixing seat, the lead screw is arranged in the vertical direction, a hand wheel is arranged at the top end of the lead screw, the nut is movably arranged in the positioning opening, the nut is threadedly connected with the lead screw, and the nut is fixedly connected with the sliding seat, and the lead screw drives the nut to move up and down along the positioning opening, so that the sliding seat and the light source move up and down.

[0026] The visual positioning zipper laser marking machine has the sliding seat provided with an annular extension frame, the extension frame is sleeved outside the fixed seat, and a scale is further arranged outside the fixed seat in the vertical direction, and the scale is used for identifying the positions of the extension frame and the light source.

[0027] The visual positioning zipper laser marking machine has the sliding seat provided with an annular extension frame, the extension frame is sleeved outside the fixed seat, and a scale is further arranged outside the fixed seat in the vertical direction, and the scale is used for identifying the positions of the extension frame and the light source.

[0028] The visual positioning zipper laser marking machine has the sliding seat provided with an annular extension frame, the extension frame is sleeved outside the fixed seat, and a scale is further arranged outside the fixed seat in the vertical direction, and the scale is used for identifying the positions of the extension frame and the light source.

[0029] The visual positioning zipper laser marking machine has the sliding seat provided with an annular extension frame, the extension frame is sleeved outside the fixed seat, and a scale is further arranged outside the fixed seat in the vertical direction, and the scale is used for identifying the positions of the extension frame and the light source.

[0030] The visual positioning zipper laser marking machine has the sliding seat provided with an annular extension frame, the extension frame is sleeved outside the fixed seat, and a scale is further arranged outside the fixed seat in the vertical direction, and the scale is used for identifying the positions of the extension frame and the light source.

[0031] The visual positioning zipper laser marking machine has the sliding seat provided with an annular extension frame, the extension frame is sleeved outside the fixed seat, and a scale is further arranged outside the fixed seat in the vertical direction, and the scale is used for identifying the positions of the extension frame and the light source.

[0032] The visual positioning zipper laser marking machine has the sliding seat provided with an annular extension frame, the extension frame is sleeved outside the fixed seat, and a scale is further arranged outside the fixed seat in the vertical direction, and the scale is used for identifying the positions of the extension frame and the light source. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments will be briefly introduced as follows. The accompanying drawings in the following description are only corresponding drawings of some embodiments of the present application.

[0034] Figure 1 The overall structural schematic diagram of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0035] Figure 2 The structural schematic diagram of the positioning mechanism and the visual recognition mechanism of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0036] Figure 3 The structural schematic diagram of the positioning mechanism and the visual recognition mechanism of the zipper laser marking machine provided by the preferred embodiment of the present application is shown. Figure 2 The enlarged structural schematic diagram of part A in the above figure is shown.

[0037] Figure 4 The structural schematic diagram of the positioning plate and the adjusting plate of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0038] Figure 5 The structural schematic diagram of the pressing assembly of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0039] Figure 6 The structural schematic diagram of the visual recognition mechanism of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0040] Figure 7 The structural schematic diagram of the visual fixing frame of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0041] Figure 8 The structural schematic diagram of the laser mechanism of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0042] Figure 9 The structural schematic diagram of the towing mechanism of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0043] Figure 10 The exploded structural schematic diagram of the adjusting assembly of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0044] Figure 11 The structural schematic diagram of the movable plate of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0045] The structural schematic diagram of the movable plate of the zipper laser marking machine provided by the preferred embodiment of the present application is shown.

[0046] 1, the frame,

[0047] 2, the positioning mechanism,

[0048] 21. positioning plate, 211. positioning slot, 212. first groove, 213. second groove, 2131. extension slot,

[0049] 22. pressing assembly,

[0050] 221. support frame,

[0051] 2211. connecting column,

[0052] 2212. support leg, 22121. first leg, 22122. second leg,

[0053] 2213. pull rod,

[0054] 222. pressing chain plate, 2221. rolling pressing leg, 2222. connecting rod,

[0055] 223. elastic member,

[0056] 23. adjusting plate, 231. convex plate, 2311. first waist hole,

[0057] 24. pressing assembly,

[0058] 241. movable plate, 2411. mounting slot,

[0059] 242. cover plate, 2421. second waist hole,

[0060] 3. tow line mechanism,

[0061] 31. tow line fixing frame, 311. horizontal plate,

[0062] 32. motor,

[0063] 33. pressing wheel,

[0064] 34. adjusting assembly, 341. movable rod, 342. handle, 343. baffle, 344. compression spring, 345. upper pressing wheel,

[0065] 4. visual recognition mechanism,

[0066] 41. camera,

[0067] 42. visual fixing frame, 421. extension plate, 4211. through hole,

[0068] 43. moving plate,

[0069] 44. guide column,

[0070] 45. adjusting screw,

[0071] 5. laser mechanism,

[0072] 51. light source,

[0073] 52, fixing seat, 521, positioning opening,

[0074] 53, sliding seat, 531, extension frame,

[0075] 54, transmission assembly, 541, screw rod, 542, nut, 543, hand wheel,

[0076] 55, scale.

[0077] In the drawings, similar elements are denoted by the same reference numerals. DETAILED DESCRIPTION

[0078] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0079] The direction terms mentioned in the present application, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", are only the orientation of the drawings, and the direction terms are used to illustrate and understand the present application, but not to limit the present application.

[0080] The terms "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and are not limited as the order of sequence.

[0081] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0082] The laser device in the prior art is used to mark the zipper, and the pattern position on the surface of the zipper tooth is not accurate enough, which cannot meet the high quality requirement.

[0083] The following is a preferred embodiment of a visual positioning laser marking machine for zipper provided by the present application, which can solve the above technical problems.

[0084] Please refer to Figure 1 , Figure 2 , Figure 3、 Figure 6 and Figure 8 The preferred embodiment of the present application provides a visual positioning zipper laser marking machine, which comprises a rack 1, a positioning mechanism 2, a dragging mechanism 3, a visual identification mechanism 4 and a laser mechanism 5. The positioning mechanism 2 comprises a positioning plate 21 and two groups of pressing assemblies 22. The positioning plate 21 is arranged on the rack 1 and is provided with a positioning groove 211 extending in the transverse direction, which is used for positioning the teeth. The two groups of pressing assemblies 22 are arranged at the two ends of the positioning plate 21 respectively. The pressing assembly 22 comprises a support frame 221, a chain pressing plate 222 and an elastic member 223. The support frame 221 is arranged on the positioning plate 21. One end of the chain pressing plate 222 is rotatably connected to the support frame 221, and the other end of the chain pressing plate 222 is inclined towards the output end of the positioning groove 211. The elastic member 223 is connected between the support frame 221 and the chain pressing plate 222, which is used to provide elastic force to press the other end of the chain pressing plate 222 tightly against the zipper. The dragging mechanism 3 is arranged on the rack 1 and located at one end of the positioning plate 21, which is used to drag the zipper in the transverse direction. The visual identification mechanism 4 comprises a camera 41, which is arranged above the positioning groove 211 and is used to identify the position of the teeth. The laser mechanism 5 comprises a light source 51, which is located on the side of the camera 41 close to the dragging mechanism 3 and is arranged above the positioning groove 211, which is used to make the teeth generate patterns, which can be fonts and / or patterns.

[0085] The visual positioning zipper laser marking machine of the present application drags the zipper through the positioning plate 21 by the dragging mechanism 3, and the other end of the chain pressing plate 222 is elastically pressed against the positioning plate 21 by the elastic member 223. The two groups of pressing assemblies 22 are arranged at the two ends of the positioning plate 21 respectively, so that the zipper is flat when it is located below the camera 41 and the light source 51, which facilitates the precise laser operation of the light source 51 on the teeth of the zipper. At the same time, the other end of the chain pressing plate 222 is inclined towards the output end of the positioning groove 211, which will not jam the zipper. In addition, the positioning groove 211 is used to position the teeth, so that the teeth move along the positioning groove 211, which further facilitates the precise laser operation of the light source 51 on the teeth of the zipper. At the same time, the camera 41 can accurately identify the position of the teeth, which further facilitates the precise laser operation of the light source 51 on the teeth of the zipper. The visual positioning zipper laser marking machine of the present application can accurately position the patterns on the surface of the teeth of the zipper, which meets the high quality requirements.

[0086] Please refer to Figure 3The pressing chain plate 222 comprises two spaced apart pressing legs 2221, and the two pressing legs 2221 are respectively arranged at two sides of the positioning groove 211 and are respectively used for pressing two cloth belts. By using the above structure, the two pressing legs 2221 are respectively in contact with the two cloth belts, and the uneven teeth are prevented from being in contact with the pressing chain plate 222, so that the zipper is more smoothly moved on the positioning plate 21. The top of the two pressing legs 2221 is connected, so that the two pressing legs 2221 form an integral structure, and the two pressing legs 2221 can be simultaneously rotated. The bottom of the pressing leg 2221 is arc-shaped, so that the zipper is more smoothly slid through the pressing leg 2221.

[0087] Please refer to Figure 2 and Figure 3 The supporting frame 221 comprises a connecting column 2211 and two spaced apart supporting legs 2212, and the two supporting legs 2212 are respectively arranged at two sides of the positioning groove 211. The supporting leg 2212 comprises a first leg 22121 and a second leg 22122 which are connected, the first leg 22121 is arranged on the positioning plate 21 in the transverse direction, the second leg 22122 is arranged in the vertical direction, the two sides of the pressing chain plate 222 are respectively rotationally connected with the two second legs 22122, and the connecting column 2211 connects the two second legs 22122. By using the above structure, the two first legs 22121 are fixed on the positioning plate 21, so that the supporting frame 221 is fixed stably; the two sides of the pressing chain plate 222 are respectively rotationally connected with the two second legs 22122, so that the pressing chain plate 222 is rotationally stable. The connecting column 2211 supports the two second legs 2212, so that the two second legs 2212 are prevented from being tilted.

[0088] Please refer to Figure 3 The two pressing legs 2221 are provided with a connecting rod 2222 therebetween, the two first legs 22121 are provided with a pull rod 2213 therebetween, the elastic member 223 is a tensile spring, one end of the elastic member 223 is connected with the pull rod 2213, and the other end of the elastic member 223 is connected with the connecting rod 2222. In the above structure, the elastic member 223 is a tensile spring, one end of the elastic member 223 is fixed on the pull rod 2213 between the two first legs 22121, and the other end of the elastic member 223 is fixed on the connecting rod 2222 between the two pressing legs 2221, so that the stress of the two pressing legs 2221 is balanced, and the pressure applied to the two cloth belts is balanced. In other embodiments, the elastic member 223 can be a torsion spring and is arranged between the connecting column 2211 and the connecting rod 2222.

[0089] Please refer to Figure 3 and Figure 4The positioning plate 21 is provided with a first groove 212 and a second groove 213 extending in the transverse direction, and the two grooves are communicated; the bottom surface of the second groove 213 is lower than the bottom surface of the first groove 212; and the second groove 213 is provided with an extension groove 2131 on the side away from the first groove 212. The positioning mechanism 2 further comprises an adjusting plate 23 arranged in the second groove 213 and movable in the longitudinal direction; the upper surface of the adjusting plate 23 is higher than the bottom surface of the first groove 212; and the adjusting plate 23 and the first groove 212 cooperate to form a positioning groove 211. One side of the adjusting plate 23 is provided with a convex plate 231 arranged in the extension groove 2131; the convex plate 231 is provided with a first waist hole 2311 extending in the longitudinal direction; the first waist hole 2311 is provided with a first screw; the first screw is connected with the positioning plate 21; and the first screw is used for adjusting the position of the adjusting plate 23 in the longitudinal direction, so as to adjust the width of the positioning groove 211. By adjusting the position of the first screw in the first waist hole 2311, the position of the adjusting plate 23 in the second groove 213 can be adjusted, and the width of the positioning groove 211 can be adjusted to adapt to the chain teeth of different widths. Since the adjusting plate 23 is narrow and it is not convenient to arrange the first waist hole 2311 on the adjusting plate 23, the first waist hole 2311 is arranged on the convex plate 231, and the convex plate 231 is located on the side away from the first groove 212, which is conducive to the implementation of the structure.

[0090] Please refer to Figure 2 and Figure 5 The positioning mechanism 2 further comprises two groups of pressing-down assemblies 24 arranged on the two sides of the positioning groove 211 and located between the two groups of pressing assemblies 22. Each pressing-down assembly 24 comprises a movable plate 241 and a cover plate 242; one side of the movable plate 241 is rotationally connected with one side of the positioning plate 21; the cover plate 242 is provided with a second waist hole 2421 extending in the longitudinal direction; the second waist hole 2421 is provided with a second screw; the second screw is connected with the other side of the movable plate 241; and the second screw is used for adjusting the position of the cover plate 242 in the longitudinal direction. The cover plate 242 is located below the camera 41 and the light source 51, and the two cover plates 242 are used for pressing the two cloth belts respectively located below the camera 41 and the light source 51. By adopting the structure, the two cover plates 242 are opened outwardly during use, the zipper is placed on the positioning plate 21, and then the two cover plates 242 are closed inwardly. During operation, the two cover plates 242 can press the two cloth belts respectively located below the camera 41 and the light source 51, so as to prevent the cloth belts from being raised and the zipper from swinging in the longitudinal direction, avoid affecting the laser effect, and facilitate the accurate laser operation of the light source 51 on the chain teeth of the zipper. The position of the cover plate 242 is adjusted in the longitudinal direction, so that the position of the cover plate 242 matches the width of the chain teeth, and the cover plate 242 covers the cloth belt in the longitudinal direction as much as possible without touching the chain teeth.

[0091] Please refer to Figure 11The side of the movable plate 241 close to the positioning groove 211 is provided with a mounting groove 2411 which is open on three sides, and the cover plate 242 is arranged in the mounting groove 2411. With the structure, the cover plate 242 and the movable plate 241 are assembled conveniently, and the position of the cover plate 242 relative to the movable plate 241 is adjusted conveniently.

[0092] In the embodiment, the cloth tape is pressed down by the gravity of the cover plate 242, and in other embodiments, an elastic structure can be arranged between the movable plate 241 and the positioning plate 21 to provide an elastic force of the cover plate 242 towards the positioning plate 21, so as to increase the acting force applied to the cloth tape and avoid the cloth tape from lifting the cover plate 242.

[0093] Please refer to Figure 6 and Figure 7 The visual identification mechanism 4 further comprises a visual fixing frame 42, a moving plate 43, two guide columns 44 and an adjusting screw 45. One end of the visual fixing frame 42 is arranged on the positioning plate 21, and the other end is provided with an extension plate 421 which is provided with two through holes 4211. The camera 41 is fixed on the moving plate 43 which is below the extension plate 421. One end of the guide column 44 is fixedly connected with the moving plate 43, and the other end is arranged in the through hole 4211. The adjusting screw 45 is arranged in the extension plate 421 and is threadedly connected with the moving plate 43. The rotation of the adjusting screw 45 drives the moving plate 43 and the camera 41 to move upwards or downwards. With the above structure, the moving plate 43 and the camera 41 can be controlled to move upwards or downwards by rotating the adjusting screw 45, so that the camera 41 keeps a proper distance from the chain teeth, and the two guide columns 44 can prevent the camera 41 from deviating in the horizontal direction when moving.

[0094] Please refer to Figure 8 The laser mechanism 5 further comprises a fixing seat 52, a sliding seat 53 and a transmission assembly 54. The fixing seat 52 is arranged on the rack 1, and one side of the fixing seat 52 is provided with a positioning opening 521 extending in the vertical direction. The light source 51 is arranged on the sliding seat 53. The transmission assembly 54 comprises a lead screw 541 and a nut 542. The lead screw 541 is arranged in the interior of the fixing seat 52 and extends in the vertical direction. The top end of the lead screw 541 is provided with a hand wheel 543. The nut 542 is movably arranged in the positioning opening 521 and is threadedly connected with the lead screw 541. The nut 542 is fixedly connected with the sliding seat 53. The rotation of the lead screw 541 drives the nut 542 to move up and down along the positioning opening 521, thereby driving the sliding seat 53 and the light source 51 to move up and down. With the above structure, the sliding seat 53 and the light source 51 can be controlled to move up and down by rotating the hand wheel 543 to drive the lead screw 541 to rotate, so that the light source 51 keeps a proper distance from the chain teeth. The movement range of the nut 542 is limited in the positioning opening 521, so that the light source 51 can be prevented from deviating in the horizontal direction when moving.

[0095] Please continue to refer to Figure 8 , the sliding seat 53 is provided with an annular extension frame 531, which is sleeved outside the fixed seat 52. The laser mechanism 5 further comprises a scale 55, which is vertically arranged outside the fixed seat 52, and the scale 55 is used to identify the position of the extension frame 531 and the light source 51. With the above structure, the extension frame 531 moves up and down along the scale 55, which facilitates the identification of the position of the extension frame 531, thereby facilitating the adjustment of the position of the light source 51.

[0096] Please refer to Figure 9 and Figure 10 , the tow mechanism 3 comprises a tow fixed frame 31, a motor 32, a pressing wheel 33 and an adjusting assembly 34. The tow fixed frame 31 is vertically arranged on the rack 1, and the end of the tow fixed frame 31 away from the rack 1 is provided with a horizontal plate 311. The motor 32 is fixed to the tow fixed frame 31. The pressing wheel 33 is connected with the rotating shaft of the motor 32. The adjusting assembly 34 comprises a movable rod 341, a handle 342, two baffles 343, a compression spring 344 and two upper pressing wheels 345. The movable rod 341 is vertically movably arranged in the horizontal plate 311. The two baffles 343 are parallel and spaced apart, and are both rotatably connected with the end of the movable rod 341 below the horizontal plate 311. The upper pressing wheels 345 are rotatably arranged between the two baffles 343, and the two upper pressing wheels 345 are distributed on both sides of the movable rod 341 in the horizontal direction and are both above the pressing wheel 33. The handle 342 is rotatably connected with the end of the movable rod 341 above the horizontal plate 311, and the rotation of the handle 342 causes the movable rod 341 to move up and down, thereby adjusting the distance between the two upper pressing wheels 345 and the pressing wheel 33. The compression spring 344 is sleeved on the movable rod 341 and is located between the horizontal plate 311 and the baffle 343, and the elastic force of the compression spring 344 causes the two upper pressing wheels 345 to tend to move closer to the pressing wheel 33. With the above structure, the handle 342 is adjusted to the vertical direction, so that a larger gap is generated between the two upper pressing wheels 345 and the pressing wheel 33, which facilitates the insertion of the zipper. Then the handle 342 is adjusted to the horizontal direction, and the elastic force of the compression spring 344 causes the two baffles 343 to move downward and causes the two upper pressing wheels 345 to press against the pressing wheel 33, thereby elastically pressing the zipper between the two upper pressing wheels 345 and the pressing wheel 33 without damaging the zipper. The rotation of the motor 32 drives the pressing wheel 33 to rotate, thereby dragging the zipper to move. The two upper pressing wheels 345 are distributed on both sides of the movable rod 341 in the horizontal direction, which can increase the contact area between the zipper and the pressing wheel 33, and the dragging of the zipper is smoother.

[0097] The visual positioning zipper laser marking machine further comprises a controller electrically connected with the belt dragging mechanism 3, the visual identification mechanism 4 and the laser mechanism 5, the controller controls the belt dragging mechanism 3 to drag the zipper to move on the positioning plate 21 at a set speed, the controller controls the visual identification mechanism 4 to take pictures of the zipper at a set time interval, and the controller controls the laser mechanism 5 to mark the zipper at a set interval, so that accurate marking can be realized. In addition, the controller can also be omitted, and the visual positioning zipper laser marking machine can be electrically connected to a user's computer through a data line, a wireless communication module or the like, the drive and control software of the visual positioning zipper laser marking machine is installed in the computer, and the computer is used to control the operation, so that the overall cost is reduced.

[0098] The use method of the visual positioning zipper laser marking machine of the preferred embodiment of the present application is as follows:

[0099] 1. The position of the adjusting plate 23 in the second groove 213 is adjusted, and then the width of the positioning groove 211 is adjusted, so that the width of the positioning groove 211 matches the width of the zipper teeth; the position of the cover plate 242 is adjusted along the longitudinal direction, so that the position of the cover plate 242 matches the width of the zipper teeth;

[0100] 2. The zipper is placed on the positioning plate 21, and the zipper teeth are located in the positioning groove 211, the belt is pressed on both ends of the positioning plate 21 by the rolling leg 2221, and the cover plate 242 presses the belt below the camera 41 and the light source 51;

[0101] 3. A section of the zipper is placed between the upper pressing wheel 345 and the lower pressing wheel 33, and the motor 32 rotates to drive the zipper to move;

[0102] 4. The position of the zipper teeth is determined by the camera 41, and the zipper teeth are marked by the light source 51.

[0103] Thus, the use method of the visual positioning zipper laser marking machine of the preferred embodiment of the present application is obtained.

[0104] The visual positioning zipper laser marking machine of the present application drags the zipper through the positioning plate by the belt dragging mechanism, the other end of the chain pressing plate is elastically pressed on the positioning plate by the elastic member, the two groups of pressing assemblies are respectively arranged at both ends of the positioning plate, so that the zipper is flat when located below the camera and the light source, and the precise laser operation of the light source on the zipper teeth is facilitated, meanwhile, the other end of the chain pressing plate is inclined to the output end of the positioning groove, and the zipper is not clamped; in addition, the zipper teeth are positioned by the positioning groove, so that the zipper teeth move along the positioning groove, and the precise laser operation of the light source on the zipper teeth is further facilitated; meanwhile, the position of the zipper teeth can be accurately identified by the camera, and the precise laser operation of the light source on the zipper teeth is further facilitated. The visual positioning zipper laser marking machine of the present application can accurately position the pattern on the surface of the zipper teeth, and meets the high quality requirement.

[0105] To sum up, although the present application has been disclosed with preferred embodiments as above, the scope of protection of the present application is not limited thereto, any person skilled in the art can make equivalent substitutions or changes according to the technical concept of the technical solutions of the present application within the technical scope disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. A vision-positioned laser marking machine for a zipper, characterized by, The utility model provides a kind of chain positioning device, including: Rack; Positioning mechanism, it includes positioning plate and two groups of pressing component, the positioning plate is arranged on the rack, the positioning plate is provided with the positioning slot extending along transverse direction, the positioning slot is used for positioning zipper tooth;Two groups of the pressing component are respectively arranged in the both ends of the positioning plate, the pressing component includes support frame, chain pressing plate and elastic element, the support frame is arranged on the positioning plate, one end of the chain pressing plate is rotatably connected to the support frame, the other end of the chain pressing plate is inclined to the output end direction of the positioning slot, the elastic element is connected between the support frame and the chain pressing plate, for providing elastic force, so that the other end of the chain pressing plate is pressed tightly zipper; Tow mechanism, it is arranged in the rack and is located in one end of the positioning plate, for dragging zipper along transverse direction; Visual identification mechanism, it includes camera, the camera is arranged above the positioning slot, for identifying the position of zipper tooth; Laser mechanism, it includes light source, the light source is located in the side of the camera close to the tow mechanism, and the light source is arranged above the positioning slot, for making zipper produce pattern; Wherein, the chain pressing plate includes two interval arranged rolling legs, two rolling legs are located in the both sides of the positioning slot respectively, and two rolling legs are used for pressing two cloth belts respectively; The support frame includes connecting column and two interval arranged supporting legs, two supporting legs are arranged in the both sides of the positioning slot respectively, the supporting leg includes first leg and second leg, the first leg is arranged on the positioning plate along transverse direction, the second leg is arranged along vertical direction, the both sides of the chain pressing plate are rotatably connected with two second legs respectively, and the connecting column connects two second legs; Connecting rod is arranged between two rolling legs, pull rod is connected between two first legs, the elastic element is tensile spring, one end of the elastic element is connected with the pull rod, and the other end is connected with the connecting rod.

2. The vision-positioned, zipper laser marker of claim 1, wherein, First groove and second groove are arranged on the positioning plate and extend along transverse direction, and the second groove is communicated with the first groove, the bottom surface of the second groove is lower than the bottom surface of the first groove, and the side, away from the first groove, of the second groove is provided with extension groove;The positioning mechanism further includes adjusting plate, the adjusting plate is arranged in the second groove and can move along longitudinal direction, the upper surface of the adjusting plate is higher than the bottom surface of the first groove, the adjusting plate and the first groove cooperate to form the positioning slot, one side of the adjusting plate is provided with convex plate, the convex plate is arranged in the extension groove, the convex plate is provided with first waist hole extending along longitudinal direction, the first waist hole is provided with first screw, the first screw is connected with the positioning plate, for adjusting the position of the adjusting plate along longitudinal direction, and then adjusting the width of the positioning slot.

3. The vision-positioned, zipper laser marker of claim 1, wherein, The positioning mechanism further comprises two groups of pressing-down assemblies, each of which is arranged on the two sides of the positioning groove and between the two groups of pressing assemblies, each of which comprises a movable plate and a cover plate, one side of the movable plate is rotationally connected with one side of the positioning plate, the cover plate is provided with a second waist hole extending in the longitudinal direction, the second waist hole is provided with a second screw, the second screw is connected with the other side of the movable plate for adjusting the position of the cover plate in the longitudinal direction, the cover plate is located below the camera and the light source, and the two cover plates are used for pressing two bands respectively located below the camera and the light source.

4. The vision-positioned laser marking machine for zipper according to any one of claims 1-3, characterized in that, The visual recognition mechanism further comprises: a visual fixing frame, one end of which is arranged on the positioning plate, and the other end is provided with an extension plate, the extension plate is provided with two through holes; a moving plate, the camera being fixed on the moving plate, the moving plate being located below the extension plate; two guide columns, one end of each of which is fixedly connected with the moving plate, and the other end is arranged in the through hole; and an adjusting screw rod, which is rotationally arranged in the extension plate around its own axis and is threadedly connected with the moving plate, the adjusting screw rod drives the moving plate and the camera to move upward or downward.

5. The vision-positioned laser marker for zipper according to any one of claims 1-3, wherein, The laser mechanism further comprises: a fixing seat arranged on the rack, one side of the fixing seat being provided with a positioning opening extending in the vertical direction; a sliding seat, the light source being arranged on the sliding seat; and a transmission assembly comprising a lead screw and a nut, the lead screw being rotationally arranged in the interior of the fixing seat around its own axis, the lead screw being arranged in the vertical direction, the top end of the lead screw being provided with a hand wheel, the nut being movably arranged in the positioning opening, the nut being threadedly connected with the lead screw, and the nut being fixedly connected with the sliding seat, the lead screw rotating to drive the nut to move up and down along the positioning opening, thereby driving the sliding seat and the light source to move up and down.

6. The vision-positioned, zipper laser marker of claim 5, wherein, The sliding seat is provided with an annular extension frame, the extension frame being sleeved on the outside of the fixing seat; the laser mechanism further comprises a scale arranged on the outside of the fixing seat in the vertical direction, the scale being used for identifying the positions of the extension frame and the light source.

7. The vision-positioned laser marker for zipper according to any one of claims 1-3, wherein, The band dragging mechanism comprises: a band fixing frame arranged on the rack in the vertical direction, one end of the band fixing frame away from the rack being provided with a horizontal transverse plate; a motor fixed on the band fixing frame; a pressing wheel connected with the rotating shaft of the motor; The adjusting assembly comprises a movable rod, a handle, two baffle plates, a compression spring and two upper pressing wheels; the movable rod is movably arranged in the vertical direction through the horizontal plate; the two baffle plates are arranged in parallel and are spaced apart, and are both rotationally connected to one end of the movable rod below the horizontal plate; the upper pressing wheels are rotationally arranged between the two baffle plates, and are both arranged on the two sides of the movable rod in the horizontal direction and above the lower pressing wheels; the handle is rotationally connected to one end of the movable rod above the horizontal plate, and the rotation of the handle makes the movable rod move up and down, so as to adjust the distance between the two upper pressing wheels and the lower pressing wheel; the compression spring is sleeved on the movable rod and is located between the horizontal plate and the baffle plate, and the elastic force of the compression spring makes the two upper pressing wheels have a tendency to move close to the lower pressing wheel.

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