Automatic dotter

Abstract

The invention discloses an automatic button punching machine which comprises a machine frame, an upper button vibration disc and a lower button vibration disc, the upper button vibration disc and the lower button vibration disc are arranged on the two sides of the machine frame respectively and used for arranging and conveying upper buttons, and the lower button vibration disc and the upper button vibration disc are used for arranging and conveying lower buttons. The upper buckle pressing assembly is communicated with a discharging port of the upper buckle vibration disc through an upper buckle feeding channel, and the lower buckle pressing assembly is communicated with a discharging port of the lower buckle vibration disc through a lower buckle feeding channel. According to the automatic button punching machine, through close cooperation of all the structures, feeding and button punching and pressing are automatically completed under driving of the multiple air cylinders and the motor, the overall automation degree is high, operation is easy, the accuracy can be effectively guaranteed, upper buttons and lower buttons are controlled to be pressed and pressed through the lifting device of a special structure, and the automatic button punching machine is high in practicability. According to the button punching machine, adjustment can be carried out more conveniently according to button models, operation is simpler and more efficient, the adjustment accuracy is higher, and the use flexibility and the working efficiency of the button punching machine are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of button-fastening machines, and in particular to an automatic button-fastening machine. Background Art

[0002] In the clothing industry, clothes with buttons account for a large proportion. When producing such clothes, buttons need to be pressed onto the fabric. In order to improve the efficiency of pressing, button-attaching machines came into being. The working principle of the button-attaching machine is to use the upper and lower molds to press the upper and lower buttons on the upper and lower sides of the fabric respectively, and then press the upper and lower buttons together on both sides of the fabric to achieve the pressing of the buttons.

[0003] However, the existing button-making machines still have many problems. Since there are many types of buttons, a single button-making machine often needs to complete the button-making tasks of multiple types. The button sizes, button-making positions and button-making pressures of various types are different. Although the existing conventional button-making machines can be adapted to the models through adjustments in structure, the operation is very cumbersome and requires shutdown to disassemble and reinstall the fastening parts, which wastes working hours and has poor flexibility. In addition, the button-making accuracy is difficult to guarantee and requires fine-tuning of the accuracy, which affects work efficiency.

[0004] Therefore, in view of the above-mentioned technical problems, it is necessary to provide a new technical solution. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic button-fastening machine which can quickly perform adaptive adjustment for buttons of various models, has higher flexibility in use and can effectively ensure accuracy.

[0006] In order to solve the above technical problems, the present invention provides an automatic buttoning machine, and the specific technical solution is as follows: An automatic buttoning machine comprises a frame and an upper buttoning vibration plate and a lower buttoning vibration plate respectively arranged on both sides of the frame for arranging and conveying upper buttons and lower buttoning vibration plates for arranging and conveying lower buttons, wherein an upper buttoning pressing assembly and a lower buttoning pressing assembly are arranged in the frame, the upper buttoning pressing assembly is connected with a material outlet of the upper buttoning vibration plate through an upper buttoning feeding channel, and the lower buttoning pressing assembly is connected with a material outlet of the lower buttoning vibration plate through a lower buttoning feeding channel; The upper buckle press-fitting assembly includes an upper die lifting mechanism and an upper buckle feeding mechanism, and the lower buckle press-fitting assembly includes a lower die lifting mechanism and a lower buckle feeding mechanism. A rectangular coordinate system is constructed in the buckle machine, with the feeding direction of the vibration plate as the X-axis, and the vertical lifting direction of the upper die lifting mechanism and the lower die lifting mechanism as the Y-axis. The upper buckle feeding mechanism and the lower buckle feeding mechanism move along the Z-axis and respectively transport the upper buckle and the lower buckle from the upper buckle feeding channel and the lower buckle feeding channel to the upper die lifting mechanism and the lower die lifting mechanism for press-fitting after lifting; The upper mold lifting mechanism includes an upper mold rod and a punch rod arranged front and back along the Z-axis direction. The bottom of the upper mold rod is a magnetic upper buckle press-fit mold to facilitate press-fitting after suction of materials. The lower mold lifting mechanism includes a punching base frame that is adapted to the punch rod and has a fixed position, and a lower buckle press-fit mold that is adapted to the upper buckle press-fit mold and can be raised and lowered.

[0007] The lower mold lifting mechanism also includes a cam table for lifting and lowering the lower pressing mold. The cam table is cylindrical and can rotate along its own axis. The top surface of the cam table is an arc surface that spirally rises along the cylindrical side wall from the cam table near the bottom end. The lower pressing mold is lifted by rotating the cam table.

[0008] Preferably, the lower mold lifting mechanism also includes a cam table for lifting and lowering the lower pressing mold. The cam table is cylindrical and can rotate along its own axis. The top surface of the cam table is an arc surface that spirally rises along the cylindrical side wall from the cam table near the bottom end. The lower pressing mold is slidably connected to the top surface of the cam table and the lower pressing mold only has a degree of freedom in the Y-axis direction. The contact point between the lower pressing mold and the top surface of the cam table is changed by rotating the cam table to change the height of the lower pressing mold to achieve lifting. A plurality of horizontally arranged steps are provided on the top surface of the cam table, and the steps have a smooth transition. The step surface where the lower pressing mold is located is changed to adapt to the sizes of lower buckles of different models.

[0009] Preferably, the upper mold lifting mechanism includes an upper mold motor and a first cylinder, the driving directions of the upper mold motor and the first cylinder are parallel to the Y-axis and point downward, and the distance between the driving ends of the upper mold motor and the first cylinder is the same as the distance between the upper mold rod and the punch rod; the upper mold lifting mechanism also includes a second cylinder whose driving direction is parallel to the Z-axis, and the second cylinder drives the upper mold rod and the punch rod to move synchronously in a direction parallel to the Z-axis through a slide rail installed on the frame.

[0010] Preferably, the upper buckle feeding mechanism includes a third cylinder and an upper buckle pushing rod driven by the third cylinder, the driving direction of the third cylinder and the axial direction of the upper buckle pushing rod are parallel to the Z axis, the upper buckle feeding channel extends to the middle of the movement path of the upper buckle pushing rod to facilitate the transportation of the upper buckle to the upper buckle pushing rod, and a limit seat is fixedly installed at the end of the movement path of the upper buckle pushing rod, and the center of the limit seat and the axis of the driving end of the first cylinder are located on the same straight line parallel to the Y axis.

[0011] Preferably, a button catch is hinged on the upper buckle push rod, and the button catch can cooperate with the upper buckle push rod to clamp the upper buckle. The tail end of the button catch is fixedly connected to a connecting rod extending rearward and upward, and a baffle is provided above the connecting rod. Under normal circumstances, the connecting rod and the baffle are not in contact and the height of the tail end of the connecting rod is higher than the height of the baffle. When the connecting rod contacts the baffle, the top end of the push rod is located within the range of the limit seat and the button catch is tilted to avoid the limit seat.

[0012] Preferably, the lower buckle press-fitting mechanism includes a fourth cylinder and a lower buckle push rod driven by the fourth cylinder, the driving direction of the fourth cylinder and the axis of the lower buckle push rod are parallel to the Z-axis direction, and the lower buckle press-fitting mold is located at the end of the movement path of the lower buckle push rod.

[0013] Preferably, the buckle push rod is also provided with an openable and closable buckle clamping claw, and the buckle clamping claw is located on the side of the buckle push rod to prevent interference with the mold press-fitting.

[0014] Preferably, the lower buckle pressing mechanism also includes a fifth cylinder and a punching frame driven by the fifth cylinder, and a punching die adapted to the punch rod is fixed at the center of the upper end of the punching frame; the driving end of the fifth cylinder is also connected to a sensor sheet, and a photoelectric sensor adapted to the sensor sheet is installed on the frame, and the photoelectric sensor is electrically connected to the fifth cylinder to control the movement distance of the punching frame.

[0015] Preferably, the lower mold lifting mechanism also includes a cam seat and a fixed seat fixedly mounted on the frame, the cam platform is fixedly mounted on the cam seat, the fixed seat is located above the cam platform, and a through hole is opened in the center of the fixed seat, the bottom end of the lower pressing mold is fixedly connected with a lower mold lifting rod, the lower mold lifting rod passes through the through hole and is placed on the top surface of the cam platform, a connecting handle is fixedly connected to the side surface of the bottom end of the lower mold lifting rod, a guide frame is fixedly mounted on the bottom side of the fixed seat, and a strip hole parallel to the Y-axis direction is opened on the guide frame, the connecting handle can slide along the strip hole and is limited by the strip hole to avoid rotation of the lower mold lifting rod and the lower pressing mold; a lower mold motor is also fixedly arranged below the cam seat, and a rotating shaft passing through the cam seat is fixedly arranged at the bottom center of the cam platform, and the rotating shaft and the lower mold motor are driven by a synchronous belt to drive the cam platform to rotate around its own axis.

[0016] Preferably, a pressure ring is also installed on the frame, the pressure ring is located above the lower pressing mold and the center of the pressure ring and the lower pressing mold are located on the same straight line parallel to the Y-axis, the height of the pressure ring is adjustable, and a spotlight is installed above one side of the pressure ring, and the spotlight points to the center of the pressure ring.

[0017] The automatic button-fastening machine of the present invention has the following beneficial effects: The automatic button-fastening machine of the present invention automatically completes the loading and button-fastening press-fitting under the drive of multiple cylinders and motors through the close cooperation of various structures. The overall automation degree is high, the operation is simple, and the accuracy can be effectively guaranteed. The upper and lower buttons are controlled by a lifting device with a special structure, and can be adjusted more conveniently according to the button model. The operation is simpler and more efficient, and the adjustment accuracy is also higher, so that the use flexibility and work efficiency of the button-fastening machine are greatly improved. Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of an automatic button-fastening machine; Figure 2 for Figure 1 Schematic diagram of the structure inside the middle rack; Figure 3 for Figure 2 A schematic diagram of the structure of the middle and upper buckle press assembly; Figure 4 for Figure 3 Structural diagram of the middle and upper buckle lifting mechanism; Figure 5 For Figure 3 Structural diagram of the middle and upper buckle feeding mechanism; Figure 6 for Figure 2 A schematic diagram of the structure of the middle and lower buckle assembly; Figure 7 for Figure 6 Schematic diagram of the structure of the middle and lower buckle lifting mechanism.

[0020] Among them, 1-frame; 11-pressing ring; 2-upper buckle press assembly; 21-upper die lifting mechanism; 211-upper die motor; 212-first cylinder; 213-second cylinder; 22-upper buckle feeding mechanism; 221-third cylinder; 222-upper buckle push rod; 223-limiting seat; 224-button claw; 2241-connecting rod; 2242-baffle; 23-upper die rod; 24-punch rod; 3-lower buckle press assembly; 31-lower die lifting mechanism; 311-cam platform; 312- Cam seat; 313-lower die lifting rod; 314-fixed seat; 315-guide frame; 316-connecting handle; 317-lower die motor; 32-lower buckle feeding mechanism; 321-fourth cylinder; 322-fifth cylinder; 323-lower buckle pushing rod; 324-lower buckle clamping claw; 325-punching base; 326-sensing sheet; 327-photoelectric sensor; 33-lower buckle pressing mold; 4-upper buckle vibration plate; 41-upper buckle feeding channel; 5-lower buckle vibration plate; 51-lower buckle feeding channel. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] Example See also Figures 1 to 7 An automatic buttoning machine comprises a frame 1 and an upper buttoning vibration plate 4 and a lower buttoning vibration plate 5 respectively arranged on both sides of the frame for arranging and conveying upper buttons and lower buttoning vibration plates 5 for arranging and conveying lower buttons, wherein an upper buttoning pressing assembly 2 and a lower buttoning pressing assembly 3 are arranged in the frame 1, the upper buttoning pressing assembly is connected with a discharge port of the upper buttoning vibration plate through an upper buttoning feed channel 41, and the lower buttoning pressing assembly is connected with a discharge port of the lower buttoning vibration plate through a lower buttoning feed channel 51; The upper buckle press-fitting assembly 2 includes an upper die lifting mechanism 21 and an upper buckle feeding mechanism 22, and the lower buckle press-fitting assembly 3 includes a lower die lifting mechanism 31 and a lower buckle feeding mechanism 32. A rectangular coordinate system is constructed in the buckle machine, with the feeding direction of the vibration plate as the X-axis, and the vertical lifting direction of the upper die lifting mechanism and the lower die lifting mechanism as the Y-axis. The upper buckle feeding mechanism 22 and the lower buckle feeding mechanism 32 move along the Z-axis and respectively transport the upper buckle and the lower buckle from the upper buckle feeding channel and the lower buckle feeding channel to the upper die lifting mechanism and the lower die lifting mechanism for press-fitting after lifting; The upper mold lifting mechanism 21 includes an upper mold rod 23 and a punch rod 24 arranged front and back along the Z-axis direction. The bottom of the upper mold rod is a magnetic upper buckle pressing mold to facilitate pressing after suction. The lower mold lifting mechanism 31 includes a punching base frame 325 that is adapted to the punch rod 24 and has a fixed position, and a lower buckle pressing mold 33 that is adapted to the upper buckle pressing mold and can be raised and lowered.

[0023] The lower mold lifting mechanism 31 also includes a cam table 311 for lifting the lower pressing mold 33. The cam table is cylindrical and can rotate along its own axis. The top surface of the cam table is an arc surface that spirally rises along the cylindrical side wall near the bottom of the cam table. The lower pressing mold is moved by rotating the cam table.

[0024] The lower mold lifting mechanism 31 also includes a cam table 311 for lifting and lowering the lower pressing mold 33. The cam table is cylindrical and can rotate along its own axis. The top surface of the cam table is an arc surface that spirally rises along the cylindrical side wall from the cam table near the bottom end. The lower pressing mold is slidably connected to the top surface of the cam table and the lower pressing mold only has freedom in the Y-axis direction. The contact point between the lower pressing mold and the top surface of the cam table is changed by rotating the cam table to change the height of the lower pressing mold to achieve lifting. A plurality of horizontally arranged steps are provided on the top surface of the cam table, and the steps have a smooth transition. The step surface where the lower pressing mold is located is changed to adapt to the sizes of lower buckles of different models.

[0025] The upper mold lifting mechanism 21 includes an upper mold motor 211 and a first cylinder 212. The driving directions of the upper mold motor and the first cylinder are parallel to the Y-axis and point downward, and the driving end spacing of the upper mold motor and the first cylinder is the same as the spacing between the upper mold rod and the punch rod; the upper mold lifting mechanism 21 also includes a second cylinder 213 whose driving direction is parallel to the Z-axis. The second cylinder drives the upper mold rod and the punch rod to move synchronously in a direction parallel to the Z-axis through a slide rail installed on the frame.

[0026] The upper buckle feeding mechanism 22 includes a third cylinder 221 and an upper buckle pushing rod 222 driven by the third cylinder. The driving direction of the third cylinder and the axial direction of the upper buckle pushing rod are parallel to the Z axis. The upper buckle feeding channel 41 extends to the middle of the movement path of the upper buckle pushing rod to facilitate the conveying of the upper buckle to the upper buckle pushing rod. A limit seat 223 is fixedly installed at the end of the movement path of the upper buckle pushing rod. The center of the limit seat and the axis of the driving end of the first cylinder are located on the same straight line parallel to the Y axis.

[0027] The buckle push rod 222 is also hinged with a button claw 224, which can cooperate with the buckle push rod to clamp the buckle. The tail end of the button claw is fixedly connected with a connecting rod 2241 extending backward and upward. A baffle 2242 is provided above the connecting rod. Under normal circumstances, the connecting rod and the baffle are not in contact and the height of the tail end of the connecting rod is higher than the height of the baffle. When the connecting rod is in contact with the baffle, the top of the push rod is within the range of the limit seat and the button claw is tilted to avoid the limit seat.

[0028] The lower buckle press-fitting mechanism 32 includes a fourth cylinder 321 and a lower buckle push rod 323 driven by the fourth cylinder. The driving direction of the fourth cylinder and the axis of the lower buckle push rod are parallel to the Z-axis direction. The lower buckle press-fitting mold 33 is located at the end of the movement path of the lower buckle push rod.

[0029] The buckle push rod 323 is also provided with an openable buckle clamp 324, which is located on the side of the buckle push rod to prevent interference with mold pressing.

[0030] The lower buckle pressing mechanism 32 also includes a fifth cylinder 322 and a punching frame 325 driven by the fifth cylinder, and a punching die adapted to the punch rod is fixed at the center of the upper end of the punching frame; the driving end of the fifth cylinder is also connected to a sensor sheet 326, and a photoelectric sensor 327 adapted to the sensor sheet is installed on the frame, and the photoelectric sensor is electrically connected to the fifth cylinder to control the movement distance of the punching frame.

[0031] The lower mold lifting mechanism 31 also includes a cam seat 312 and a fixed seat 314 fixedly mounted on the frame, the cam platform is fixedly mounted on the cam seat, the fixed seat is located above the cam platform, and a through hole is opened in the center of the fixed seat, the bottom end of the lower pressing mold 33 is fixedly connected to a lower mold lifting rod 313, the lower mold lifting rod passes through the through hole and is placed on the top surface of the cam platform, a connecting handle 316 is fixedly connected to the side of the bottom end of the lower mold lifting rod, a guide frame 315 is fixedly mounted on the bottom side of the fixed seat 314, and a strip hole parallel to the Y-axis direction is opened on the guide frame, the connecting handle can slide along the strip hole and is limited by the strip hole to avoid rotation of the lower mold lifting rod and the lower pressing mold; a lower mold motor 317 is also fixedly arranged below the cam seat, and a rotating shaft passing through the cam seat is fixedly arranged at the bottom center of the cam platform, and the rotating shaft and the lower mold motor are driven by a synchronous belt to drive the cam platform to rotate around its own axis.

[0032] A press ring 25 is also installed on the frame 1. The press ring is located above the lower pressing mold and the center of the press ring and the lower pressing mold are located on the same straight line parallel to the Y axis. The height of the press ring is adjustable, and a spotlight is installed above one side of the press ring, and the spotlight points to the center of the press ring.

[0033] The automatic buttoning machine of this embodiment has the following working process of the button pressing assembly: the button vibration plate 4 conveys the button to the movement path of the button pushing rod 222 through the button feeding channel 41, the third cylinder 221 drives the button pushing rod to convey the button to the limit seat 223 and the limit seat 223 positions the button, the second cylinder 213 in the upper mold lifting mechanism 21 contracts, so that the upper mold rod 23 moves to the bottom of the first cylinder 212, and the punch rod 24 moves synchronously to the bottom of the driving end of the upper mold motor 211, the first cylinder pushes the upper mold rod to descend and absorbs the button from the limit seat, and the upper mold motor pushes the punch rod to descend and punches holes in the cloth located in the pressure ring 11, after the punching is completed, the second cylinder 213 extends and pushes the upper mold rod 23 to move to the bottom of the driving end of the upper mold motor 211, the upper mold rod with the button is forced to move downward and drives the button to be pressed.

[0034] While the upper buckle pressing assembly is working, in the lower buckle pressing assembly, the lower buckle vibration plate 5 conveys the lower buckle to the movement path of the lower buckle pushing rod 323 through the lower buckle feeding channel 51. Under the push of the fourth cylinder 321, the lower buckle pushing rod 323 and the lower buckle clamping claw 324 cooperate to clamp the lower buckle and convey the lower buckle to the lower buckle pressing mold 33. When the upper mold rod absorbs the material, the lower buckle pressing mold does not move. The fifth cylinder 322 pushes the punching frame 325 to move below the driving end of the upper mold motor 211, keeping the center of the punching mold and the center of the punch rod in line. At this time, the upper mold motor drives the punch rod to press down and punch, and the punching frame cooperates with the punch rod to punch holes on the cloth. After the punching is completed, the fifth cylinder drives the punching frame to move backward, and the cam table 311 rotates under the drive of the lower mold motor 317. The lower buckle pressing mold moves up under the cooperation of the lower mold lifting rod 313 and the top surface of the cam table, and cooperates with the upper mold rod to press the upper buckle and the lower buckle together to complete the buckling.

[0035] The beneficial effects of the present invention are: through the close cooperation of various structures, the loading and buttoning and pressing are automatically completed under the drive of multiple cylinders and motors, the overall automation level is high, the operation is simple and the accuracy can be effectively guaranteed, wherein the upper and lower buttons are controlled by a lifting device with a special structure for pressing, and can be more conveniently adjusted according to the button model. The operation is simpler and more efficient, and the adjustment accuracy is also higher, which greatly improves the flexibility of use and work efficiency of the button-making machine.

[0036] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify and vary the above embodiments within the scope of the present invention.

Claims

1. An automatic buttoning machine, characterized in that: The invention comprises a frame (1) and an upper buckle vibration plate (4) and a lower buckle vibration plate (5) respectively arranged on both sides of the frame for arranging and conveying upper buckles, wherein an upper buckle pressing assembly (2) and a lower buckle pressing assembly (3) are arranged in the frame (1); the upper buckle pressing assembly is connected to the discharge port of the upper buckle vibration plate through an upper buckle feeding channel (41); and the lower buckle pressing assembly is connected to the discharge port of the lower buckle vibration plate through a lower buckle feeding channel (51); The upper buckle press-fitting assembly (2) comprises an upper die lifting mechanism (21) and an upper buckle feeding mechanism (22), and the lower buckle press-fitting assembly (3) comprises a lower die lifting mechanism (31) and a lower buckle feeding mechanism (32). A rectangular coordinate system is constructed in the buckle-fitting machine, with the feeding direction of the vibration plate as the X-axis and the vertical lifting direction of the upper die lifting mechanism and the lower die lifting mechanism as the Y-axis. The upper buckle feeding mechanism (22) and the lower buckle feeding mechanism (32) move along the Z-axis and respectively transport the upper buckle and the lower buckle from the upper buckle feeding channel and the lower buckle feeding channel to the upper die lifting mechanism and the lower die lifting mechanism for press-fitting after lifting. The upper die lifting mechanism (21) comprises an upper die rod (23) and a punch rod (24) arranged front and back along the Z-axis direction, the bottom of the upper die rod is a magnetic upper pressing die for facilitating pressing after suction, and the lower die lifting mechanism (31) comprises a punching base frame (325) adapted to the punch rod (24) and fixed in position, and a lower pressing die (33) adapted to the upper pressing die and adjustable in height; The lower die lifting mechanism (31) further comprises a cam table (311) for lifting the lower pressing die (33); the cam table is in the shape of a tube that can rotate along its own axis; the top surface of the cam table is in the shape of an arc surface that spirally rises along the cylindrical side wall from the cam table near the bottom end; the lower pressing die is lifted by rotating the cam table.

2. The automatic button-fastening machine according to claim 1, characterized in that: The lower mold lifting mechanism (31) also includes a cam table (311) for lifting and lowering the lower buckle pressing mold (33). The cam table is cylindrical and can rotate along its own axis. The top surface of the cam table is an arc surface that spirals up along the cylindrical side wall from the cam table near the bottom end. The lower buckle pressing mold is slidably connected to the top surface of the cam table, and the lower buckle pressing mold only has a degree of freedom in the Y-axis direction. The contact point between the lower buckle pressing mold and the top surface of the cam table is changed by rotating the cam table to change the height of the lower buckle pressing mold to achieve lifting. The top surface of the cam table is provided with multiple levels of horizontally arranged steps, and the steps have a smooth transition. The step surface where the lower buckle pressing mold is located is changed to adapt to the buckle sizes of different models.

3. The automatic button-fastening machine according to claim 1, characterized in that: The upper die lifting mechanism (21) comprises an upper die motor (211) and a first cylinder (212), wherein the driving directions of the upper die motor and the first cylinder are parallel to the Y axis and point downward, and the distance between the driving ends of the upper die motor and the first cylinder is the same as the distance between the upper die rod and the punch rod; the upper die lifting mechanism (21) further comprises a second cylinder (213) whose driving direction is parallel to the Z axis, and the second cylinder drives the upper die rod and the punch rod to move synchronously in a direction parallel to the Z axis via a slide rail installed on the frame.

4. The automatic button-fastening machine according to claim 3, characterized in that: The upper bend feeding mechanism (22) comprises a third cylinder (221) and an upper bend pushing rod (222) driven by the third cylinder, the driving direction of the third cylinder and the axial direction of the upper bend pushing rod are both parallel to the Z axis, the upper bend feeding channel (41) extends to the middle of the movement path of the upper bend pushing rod so as to facilitate the upper bend to be conveyed to the upper bend pushing rod, and a limit seat (223) is fixedly installed at the end of the movement path of the upper bend pushing rod, and the center of the limit seat and the axis of the driving end of the first cylinder are located on the same straight line parallel to the Y axis.

5. The automatic button-fastening machine according to claim 4, characterized in that: The buckle push rod (222) is also hinged with a button catch (224), which can cooperate with the buckle push rod to clamp the buckle, and the tail end of the button catch is fixedly connected to a connecting rod (2241) extending backward and upward, and a baffle (2242) is provided above the connecting rod. Under normal circumstances, the connecting rod and the baffle are not in contact and the height of the tail end of the connecting rod is higher than the height of the baffle. When the connecting rod contacts the baffle, the top of the push rod is within the range of the limit seat and the button catch is tilted to avoid the limit seat.

6. The automatic button-fastening machine according to claim 2, characterized in that: The lower buckle press-fit mechanism (32) comprises a fourth cylinder (321) and a lower buckle push rod (323) driven by the fourth cylinder, the driving direction of the fourth cylinder and the axis of the lower buckle push rod are parallel to the Z-axis direction, and the lower buckle press-fit mold (33) is located at the end of the movement path of the lower buckle push rod.

7. The automatic button-fastening machine according to claim 6, characterized in that: The buckle push rod (323) is also provided with an openable and closable buckle clamping claw (324), which is located on the side of the buckle push rod to prevent interference with mold press-fitting.

8. The automatic button-fastening machine according to claim 6, characterized in that: The lower buckle pressing mechanism (32) further comprises a fifth cylinder (322) and a punching frame (325) driven by the fifth cylinder, a punching die adapted to the punch rod being fixed at the center of the upper end of the punching frame; a sensing sheet (326) is also connected to the driving end of the fifth cylinder, a photoelectric sensor (327) adapted to the sensing sheet is mounted on the frame, and the photoelectric sensor is electrically connected to the fifth cylinder to control the movement distance of the punching frame.

9. The automatic button-fastening machine according to claim 2, characterized in that: The lower die lifting mechanism (31) further comprises a cam seat (312) and a fixed seat (314) fixedly mounted on the frame, the cam platform being fixedly mounted on the cam seat, the fixed seat being located above the cam platform, and a through hole being provided at the center of the fixed seat, a lower die lifting rod (313) being fixedly connected to the bottom end of the lower pressing die (33), the lower die lifting rod passing through the through hole and being placed on the top surface of the cam platform, a connecting handle (316) being fixedly connected to the side of the bottom end of the lower die lifting rod, a guide frame (315) being fixedly mounted on the bottom side of the fixed seat (314), and a strip hole parallel to the Y-axis direction being provided on the guide frame, the connecting handle being able to slide along the strip hole and being limited by the strip hole to prevent the lower die lifting rod and the lower pressing die from rotating; a lower die motor (317) is also fixedly arranged below the cam seat (312), a rotating shaft penetrating the cam seat being fixedly arranged at the center of the bottom of the cam platform, the rotating shaft and the lower die motor being driven by a synchronous belt to drive the cam platform to rotate around its own axis.

10. The automatic button-fastening machine according to claim 1, characterized in that: A press ring (25) is also mounted on the frame (1), the press ring being located above the lower pressing die and the center of the press ring and the lower pressing die being located on the same straight line parallel to the Y axis, the height of the press ring being adjustable, and a spotlight being mounted above one side of the press ring, the spotlight pointing towards the center of the press ring.

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