CN211439756U

CN211439756U - Prevent hired roughneck button sewing machine

Info

Publication number: CN211439756U
Application number: CN201921987038.7U
Authority: CN
Inventors: 万海霞; 杨胜凯; 江波
Original assignee: Wuhan Honglang Automobile Interior Parts Co ltd
Current assignee: Wuhan Honglang Automobile Interior Parts Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-08
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to the technical field of automobile interior processing, and discloses a nail catcher capable of preventing a driver from knocking down, which comprises a workbench and a frame arranged on the workbench, wherein an upper punching die is arranged above the frame, a lower punching die is arranged on the workbench corresponding to the upper punching die, and a safety device is arranged on the frame; the safety device comprises a driving piece and an anti-knock component; the driving piece is arranged in the rack and is used for driving the upper punching die to move up and down; the anti-hiring component is arranged on the frame; the anti-hiring component comprises a bracket, a rocker arm, a first fixed frame, a second fixed frame, an L-shaped frame, a fixed seat and a safety frame; one side of the fixed seat is provided with a position sensor; position sensor and driving piece electric connection the utility model has the advantages of it is following and effect: it is safer when using, has the function of preventing hiring one's hands.

Description

Prevent hired roughneck button sewing machine

Technical Field

The utility model relates to an automotive interior processing technology field, in particular to prevent hired roughneck button sewing machine.

Background

The button sewing machine is a special automatic sewing machine type and completes the sewing of the regular-shaped buttons and the operation of sewing processes with 'nails and drops', such as sewing trademarks, labels, caps and the like. The button sewing machine is a device for fixing buttons on cloth, and comprises an assembly table and a button sewing mechanism, wherein the button sewing mechanism comprises an assembly end, the cloth is placed on the assembly table, the buttons are fixed on the cloth by the assembly end, and the button sewing operation of the buttons with regular shapes is completed.

In automotive interior, a seat leather cover is generally required to be customized according to the shape of a seat, and a snap fastener is required to be fixed on the seat on leather cloth by using a button sewing machine. However, when the button attaching machine is used, the upper die and the lower die are started by a fault touch switch, so that the hands of operators are easily injured, and the safety of the use of the button attaching machine is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent hired roughneck button sewing machine, it is safer when using, has the function of preventing hired roughneck.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a nail catcher capable of preventing a driver from knocking a button comprises a workbench and a rack arranged on the workbench, wherein an upper punching die is arranged above the rack, a lower punching die is arranged on the workbench at a position corresponding to the upper punching die, and the rack comprises a vertical shell and a horizontal shell formed above the vertical shell; a safety device is arranged on the frame; the safety device comprises a driving piece and an anti-knock component; the driving piece is arranged in the rack and is used for driving the upper punching die to move up and down; the anti-hiring component is arranged on the rack; the anti-hiring component comprises a bracket, a rocker arm, a first fixed frame, a second fixed frame, an L-shaped frame, a fixed seat and a safety frame; the bracket is horizontally fixed on one side of the upper punching die close to the rack; the positions of the rocker arm close to the two ends of the rocker arm are both provided with first kidney-shaped holes; pin shafts are arranged in the two first waist-shaped holes in a sliding manner; the end part of the bracket is hinged on a pin shaft close to one side of the upper punching die; the first fixing frame is fixed on the lower end face of the horizontal shell; the middle part of the rocker arm is hinged to the lower end of the first fixed frame; the vertical part of the L-shaped frame is hinged to a pin shaft on one side deviating from the upper punching die; the fixed seat is horizontally arranged on one side of the vertical shell, which is close to the upper punching die; the fixed seat is provided with a fixed hole; the second fixing frame is arranged on the fixing seat; the middle part of the L-shaped frame is hinged to the upper end of the second fixing frame; a second waist-shaped hole is formed in the end part of the horizontal part of the L-shaped frame; a pin shaft is arranged in the second kidney-shaped hole in a sliding manner; the upper end of the safety frame is hinged to the pin shaft; the safety frame comprises a guide rod and a pressing hoop; the guide rod is arranged in the fixing hole in a sliding manner; the pressing hoop is formed at the lower end of the guide rod; a position sensor is arranged on one side of the fixed seat; the position sensor is electrically connected with the driving piece.

Through adopting above-mentioned technical scheme, set up safeties, be favorable to avoiding operating personnel to be beaten the hand and receive danger when carrying out the nail knot to the seat cloth. Prevent the hired roughneck subassembly through the driving piece drive, when operating personnel's finger was in between last die and the lower die, prevent that the hired roughneck subassembly can play the guard action for button sewing machine is safer when using.

When the upper die descends through the driving piece, the support fixed on one side of the upper die moves downwards, one end of the rocker arm hinged to one side of the support is close to the upper die and moves downwards, the middle of the rocker arm is hinged to the first fixing frame, the other end of the rocker arm deviates from the upper die and moves upwards, the vertical part of the L-shaped frame deviating from one end of the upper die is pulled and moves upwards, the middle of the L-shaped frame is hinged to the second fixing frame, the end of the horizontal part of the L-shaped frame moves downwards, and the guide rod is driven to slide downwards along the fixing hole. Because the lower terminal surface of compressing tightly the hoop is less than the lower terminal surface of last die, when last die moves down and follows closely the knot, compresses tightly the hoop and can contact with the workstation earlier. When the compressing hoop descends, the compressing hoop can be blocked, the position sensor detects that the end part of the horizontal part of the L-shaped frame does not move any more and feeds back a signal to the control system, and the control system stops the work of the driving part, so that the punch of the lower die can not impact the fingers of an operator, and the safety protection effect is realized.

The utility model is further provided with that the driving piece comprises a motor, a first belt wheel, a second belt wheel, a synchronous belt, a driving arm, a lifting rod and a connecting arm; the motor is arranged at the lower end of the vertical shell; the first belt wheel is arranged on an output shaft of the motor; the second belt wheel is rotatably arranged on the horizontal shell and corresponds to the first belt wheel; the synchronous belt is sleeved on the first belt wheel and the second belt wheel; a rotating shaft extends from the wheel shaft of the second belt wheel; one end of the driving arm is rotatably connected to the rotating shaft; one end of the connecting arm is hinged with the upper end of the lifting rod, and the other end of the connecting arm is hinged with the end part of the driving arm; a fixed sliding seat extends from one side of the vertical shell; the bottom of the lifting rod penetrates through the fixed sliding seat, and the upper punching die is connected to the position, below the fixed sliding seat, of the lifting rod.

Through adopting above-mentioned technical scheme, rotate through the motor, be fixed in the rotation of the first band pulley on the motor output shaft, locate the hold-in range on the first band pulley through the cover and drive the second band pulley and rotate, the actuating arm of rotation connection on the second band pulley is circular motion, thereby drive the rotation of linking arm one end certain angle, reciprocate along fixed slide with linking arm one end articulated lifter, utilize slider-crank's principle, convert whole circular motion into reciprocating motion, the up-and-down motion of die is gone up in the realization, moreover, the steam generator is simple in structure, and the realization is easy.

The utility model discloses further set up as, one side of frame is equipped with end and detains loading attachment.

Through adopting above-mentioned technical scheme, set up end and detain loading attachment, be convenient for carry out automatic feeding to end knot, be favorable to improving work efficiency for the nail is detained and is moved more smoothly.

The utility model is further provided with that the bottom buckle feeding device comprises a blanking frame, a material blocking component and a material pushing component; the blanking frame is obliquely arranged in a direction deviating from the rack from bottom to top; the material blocking assembly is arranged at the bottom of the blanking frame; the material pushing assembly is arranged on the workbench.

Through adopting above-mentioned technical scheme, can be automatic with end knot propelling movement to die down on, alleviate operating personnel's working strength for the staff is adding man-hour efficiency higher to the seat cloth. The arranged bottom buckles are automatically discharged onto the workbench through the discharging frame, the bottom buckles which are discharged onto the workbench are pushed through the material pushing device, so that the bottom buckles can be conveyed onto the lower punching die, the top buckles are clamped on the upper punching die through manual work, the upper punching die is driven to descend for punching, and the buttons are nailed on the seat cloth. Through setting up the unloading frame of slope, make the end detain can descend along unloading frame is automatic, stretch out and the withdrawal intermittently through keeping off the material subassembly, make the end detain on the unloading frame be interrupted and descend on the workstation, keep off the end detain decline on the material frame when the material subassembly stretches out, when control keeps off the material subassembly withdrawal, the end detain landing that is close to the fender material subassembly rethread blevile of push behind the workstation pushes away to the die down, and simultaneously, when the end landing is on the workstation, keep off the material subassembly and stretch out once more and stop the end detain on the unloading bench, realize intermittent type nature material loading, whole process is smooth and easy, the material feeding speed is fast, the action is reliable, be favorable to improving work efficiency.

The utility model is further arranged that the blanking frame is of a hollow structure and one end of the blanking frame is provided with a notch; the material blocking assembly comprises a limiting plate, a material blocking plate, an installation frame, an installation seat and a first cylinder; the bottom of the blanking frame horizontally extends to a direction close to the lower punching die and is provided with a mounting plate; the limiting plate is arranged on the mounting plate and is close to the bottom of the blanking frame; an arc-shaped groove matched with the periphery of the bottom buckle is formed in one side, close to the blanking frame, of the limiting plate; the mounting seat is arranged on the lower end face of the blanking frame and is close to the notch; one end of the first air cylinder is hinged to the mounting seat; the mounting frame is fixed at the bottom of the blanking frame and is positioned on the lower end face of the blanking frame; the retaining plate is of an H-shaped structure, the middle of the retaining plate is hinged to the mounting frame, the upper end of the retaining plate penetrates through the notch to vertically extend out, and the lower end of the retaining plate is hinged to a piston rod of the first air cylinder.

Through adopting the above technical scheme, the lower work or material rest slope sets up, it stretches out through first cylinder to set up to keep off the material subassembly, make the vertical setting of fender buckle plate, can block the end knot on the lower work or material rest, control the withdrawal of first cylinder, make the piston rod of first cylinder drive the bottom of fender buckle plate and remove to the direction of die down dorsad, because the middle part of fender buckle plate is articulated with the mounting bracket, make the fender buckle plate pack up, hide in the below of breach, therefore, the end knot that is close to the fender buckle plate on the work or material rest is because the gravity landing of self is to the workstation, and first cylinder stretches out once more, make the piston rod of first cylinder drive the lower extreme of fender buckle plate and get back to initial position again, make the end knot that keeps vertical state to the lower work or material rest continue to block.

The utility model is further arranged that the material pushing component comprises a push plate and a second cylinder; the second cylinder is arranged in the blanking frame, and a piston rod of the second cylinder extends towards the direction close to the lower punching die; one side of the push plate is fixedly connected with a piston rod of the second cylinder; the lower end surface of the push plate is in sliding fit with the workbench; and one side of the push plate, which is far away from the second cylinder, is aligned with the lower die.

Through adopting above-mentioned technical scheme, under initial condition, the push pedal deviates from the space that forms between the arc wall of one side of the piston rod of second cylinder and limiting plate and hold the end and detain, the end is detained and is fallen on the workstation from unloading frame, and the end is detained and is located between push pedal and the limiting plate, through driving the second cylinder, make the push pedal promote the direction removal of end knot down die, make the end knot can be pushed away to the die down, realize the propelling movement action of end knot, moreover, the steam generator is simple in structure and reliable, and use with the unloading process cooperation, make to feed and detain the action efficiency higher.

The utility model is further provided with a positioning template arranged on the bedplate; a plurality of mounting holes are formed in one side of the bedplate, which is far away from the rack, at intervals; one side of the positioning template is provided with two positioning grooves; one sides of the two positioning grooves, which are close to each other, are communicated; the bottom of the positioning groove is provided with an arc-shaped surface.

Through adopting above-mentioned technical scheme, set up the locating template for the seat cloth can the accurate positioning. At first with the locating template through the bolt fastening on the platen as required, place the seat cloth again in the locating template and can realize the location to the seat cloth for precision is higher when the nail is buckled, is difficult for nailing partially.

The utility model is further arranged that the circumference of the lower punching die is provided with a limit ring; the height of the limiting ring is higher than that of the lower punching die.

Through adopting above-mentioned technical scheme, set up the spacing ring, avoid the hand touch to touch the end knot that is in on the die down, still be favorable to avoiding the die to cause the impact to operating personnel's finger, further improve the security performance of button sewing machine when using.

To sum up, the utility model discloses a beneficial technological effect does:

the safety device is arranged, so that the danger caused by the fact that an operator is beaten when the seat cloth is buckled can be avoided. The driving piece drives the anti-striking component, and when the fingers of an operator are positioned between the upper punching die and the lower punching die, the anti-striking component can play a role in protection, so that the button attaching machine is safer in use;

the bottom buckle feeding device is arranged, so that automatic feeding of the bottom buckle is facilitated, the working efficiency is improved, and the button nailing action is smoother;

and a positioning template is arranged, so that the seat cloth can be accurately positioned. At first with the locating template through the bolt fastening on the platen as required, place the seat cloth again in the locating template and can realize the location to the seat cloth for precision is higher when the nail is buckled, is difficult for nailing partially.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view of the safety device of the embodiment;

figure 3 is a schematic view of an embodiment drive arm mounting position;

FIG. 4 is a schematic structural view of a bottom buckle feeding device of the embodiment;

FIG. 5 is an enlarged schematic view at A in FIG. 1;

fig. 6 is an enlarged schematic view at B in fig. 4.

Reference numerals: 1. a work table; 11. a frame; 111. a horizontal housing; 112. a vertical housing; 12. putting a die on the die; 13. a lower die; 14. a platen; 141. fixing grooves; 142. a groove; 15. a limiting ring; 2. a bottom buckle feeding device; 21. a blanking frame; 211. a notch; 212. mounting a plate; 22. the material blocking component; 221. a limiting plate; 2211. an arc-shaped slot; 222. a retaining plate; 223. a mounting frame; 224. a first cylinder; 225. a fixed seat; 23. a material pushing assembly; 231. a second cylinder; 232. pushing the plate; 3. a safety device; 31. a drive member; 311. a motor; 312. a first pulley; 313. a second pulley; 314. a synchronous belt; 315. a rotating shaft; 316. a drive arm; 317. a connecting arm; 318. a lifting rod; 32. an anti-tamper assembly; 321. a support; 322. a fixed seat; 3221. a fixing hole; 323. a rocker arm; 3231. a first kidney-shaped hole; 324. a first fixing frame; 325. a second fixing frame; 326. a safety frame; 3261. a guide bar; 3262. a compression collar; 327. an L-shaped frame; 3271. a second kidney-shaped hole; 33. fixing the sliding seat; 34. a position sensor; 4. positioning a template; 41. mounting holes; 42. positioning a groove; 5. and (6) a bottom buckle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the anti-knock button sewing machine comprises a workbench 1 and a frame 11 fixed on the workbench 1. An upper die 12 is arranged above the frame 11, and a lower die 13 is arranged on the workbench 1 at a position corresponding to the upper die 12. The rack 11 includes a vertical housing 112 and a horizontal housing 111 formed above the vertical housing 112. And a bottom buckle feeding device 2 is arranged on one side of the frame 11, which is positioned on the lower die 13. A bedplate 14 is fixedly arranged on the upper end face of the workbench 1, a fixing groove 141 matched with the lower punch 13 is formed in the bedplate 14, and a groove 142 matched with the bottom buckle feeding device 2 is formed in one side, away from the lower punch 13, of the bedplate 14. A limiting ring 15 is fixed on the periphery of the lower punching die 13, and the height of the limiting ring 15 is higher than that of the lower punching die 13, so that the safety of the button attaching machine in use is improved.

As shown in fig. 2, the frame 11 is provided with a safety device 3. The safety device 3 includes a driving member 31 fixedly installed inside the frame 11 and a tamper proof assembly 32 installed on the frame 11.

As shown in fig. 2 and 3, the driving member 31 includes a motor 311 fixedly installed in the vertical housing 112, a first pulley 312 fixed on an output shaft of the motor 311, a second pulley 313 rotatably connected to the horizontal housing 111 and disposed corresponding to the first pulley 312, and a timing belt 314 sleeved on the first pulley 312 and the second pulley 313. A rotating shaft 315 is installed at the axle of the second belt wheel 313 in an extending manner, a driving arm 316 is rotatably connected at the rotating shaft 315, and the other end of the driving arm 316 is hinged with a connecting arm 317. The end of the connecting arm 317 facing away from the drive arm 316 is hinged to a lifting lever 318. A fixed sliding seat 33 extends horizontally from one side of the vertical housing 112, the bottom of the lifting rod 318 penetrates through the fixed sliding seat 33, and the upper die 12 is connected to the lifting rod 318 below the fixed sliding seat 33.

As shown in fig. 2, the anti-tamper assembly 32 includes a bracket 321 horizontally fixed on one side of the lifting rod 318 close to the frame 11, a fixing seat 322 fixed on one side of the vertical casing 112 close to the lifting rod 318, a swing arm 323 hinged with one end of the bracket 321, a first fixing frame 324 fixedly installed on the lower end surface of the fixing slide 33, a second fixing frame 325 fixed on the upper end surface of the fixing seat 322, an L-shaped frame 327 with one end hinged with the swing arm 323, and a safety frame 326 slidably connected with the fixing seat 322. First waist type hole 3231 has all been seted up near its both ends position to rocking arm 323, and equal sliding connection has the round pin axle in two first waist type holes 3231, and the tip of support 321 articulates on being close to the round pin axle of last die 12 one side, and the vertical portion of L type frame 327 articulates on deviating from the round pin axle of last die 12 one side. The middle portion of the swing arm 323 is hinged to the lower end of the first fixing frame 324. The middle part of the L-shaped frame 327 is hinged to the upper end of the second fixed frame 325, a second waist-shaped hole 3271 is formed in the end part of the horizontal part of the L-shaped frame 327, and a pin shaft is slidably connected in the second waist-shaped hole 3271. A vertically arranged fixing hole 3221 is formed in the upper end surface of the fixing seat 322 and is close to one end of the fixing seat 322. The safety holder 326 includes a guide rod 3261 slidably coupled in the fixing hole 3221 and a clamp 3262 formed at a lower end of the guide rod 3261. One side of the fixing seat 322 is fixedly installed with a position sensor 34, and the position sensor 34 is electrically connected with the driving member 31. When the pressing hoop 3262 is blocked, which results in that the position of the L-shaped frame 327 is not changed any more, the position sensor 34 detects the position of the horizontal portion end of the L-shaped frame 327 and then feeds back a signal to control the motor 311 to turn off, so that the upper die 12 stops moving downwards, thereby improving the safety of the button sewing machine in use.

As shown in fig. 4, the bottom buckle feeding device 2 includes a blanking frame 21 disposed from bottom to top in an inclined manner in a direction away from the rack 11, a material blocking assembly 22 mounted at the bottom of the blanking frame 21, and a material pushing assembly 23 mounted on the workbench 1. The blanking frame 21 is of a hollow structure, and one side of the blanking frame 21 departing from the lower punching die 13 is of an open structure.

As shown in fig. 5 and 6, a notch 211 is formed in the lower end of the blanking frame 21 on the upper end surface of the blanking frame 21. The end of the blanking frame 21 close to the lower die 13 (as shown in fig. 1) is horizontally provided with a mounting plate 212 extending in a direction close to the lower die 13. The striker assembly 22 comprises a limit plate 221 fixed on the mounting plate 212, a catch plate 222 movably mounted at the notch 211, a mounting frame 223 fixed on the inner top wall of the blanking frame 21, a mounting seat 225 mounted on the inner top wall of the blanking frame 21, and a first cylinder 224 with one end hinged to the mounting seat 225. One side of the limiting plate 221, which is close to the blanking frame 21, is provided with an arc-shaped groove 2211 which is matched with the peripheral side of the bottom buckle 5. The retaining plate 222 is of an H-shaped structure, the middle of the retaining plate 222 is hinged to the mounting frame 223, the upper end of the retaining plate 222 penetrates through the notch 211 to vertically extend out, and the lower end of the retaining plate 222 is hinged to the piston rod of the first cylinder 224.

As shown in fig. 4, the pushing assembly 23 includes a second cylinder 231 fixed on the working table 1 and located inside the blanking frame 21, and a pushing plate 232 fixed on a piston rod of the second cylinder 231. The piston rod of the second cylinder 231 extends in a direction approaching the lower die 13. One side of the push plate 232 is fixedly connected with a piston rod of the second cylinder 231, the lower end face of the push plate 232 is in sliding fit with the workbench 1, and one side of the push plate 232 departing from the second cylinder 231 is aligned with the lower die 13.

As shown in fig. 1, a positioning template 4 is fixedly mounted on the platen 14. A plurality of mounting holes 41 have been seted up at the interval of one side that deviates from frame 11 on the platen 14, and two constant head tanks 42 have been seted up to locating template 4 one side, and the one side intercommunication that two constant head tanks 42 are close to each other, and the tank bottom shaping of constant head tank 42 has the arcwall face. The seat cloth customization that the button was buckled is carried out as required to the shape of constant head tank 42, is convenient for fix a position the seat cloth for button quality is higher.

In the use of the embodiment, during the driving element 31 drives the upper die 12 to descend, the bracket 321 fixed on one side of the upper die 12 moves downwards, one end of the rocker arm 323 hinged to one side of the bracket 321, which is close to the upper die 12, moves downwards, because the middle part of the rocker arm 323 is hinged to the first fixing frame 324, the other end of the rocker arm 323 departing from the upper die 12 moves upwards, so that the vertical part of the L-shaped frame 327 departing from one end of the upper die 12, which is opposite to the rocker arm 323, is pulled to move upwards, and because the middle part of the L-shaped frame 327 is hinged to the second fixing frame 325, the end part of the horizontal part of the L-shaped frame 327 moves downwards, and the guide rod 3261 is. Since the lower end surface of the hold-down lug 3262 is lower than the lower end surface of the upper die 12, the hold-down lug 3262 first comes into contact with the table 1 when the upper die 12 is moved downward for clinching. When the clamp 3262 is blocked when it descends, the position sensor 34 detects that the end position of the horizontal portion of the L-shaped frame 327 does not move any more, and feeds back a signal to the control system, and the control system stops the operation of the driving member 31, so as to ensure that the punch of the lower die 13 does not impact the finger of the operator, thereby achieving a safety protection effect.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a prevent hired roughneck button sewing machine, includes workstation (1), locates frame (11) on workstation (1), frame (11) top is equipped with die (12), the position that corresponds die (12) on workstation (1) is equipped with down die (13), characterized by: the rack (11) comprises a vertical shell (112) and a horizontal shell (111) formed above the vertical shell (112); a safety device (3) is arranged on the frame (11); the safety device (3) comprises a driving part (31) and an anti-knock assembly (32); the driving piece (31) is arranged in the rack (11) and is used for driving the upper punching die (12) to move up and down; the anti-hiring component (32) is arranged on the rack (11); the anti-hiring component (32) comprises a bracket (321), a rocker arm (323), a first fixed frame (324), a second fixed frame (325), an L-shaped frame (327), a fixed seat (322) and a safety frame (326); the bracket (321) is horizontally fixed on one side of the upper punch die (12) close to the rack (11); the positions of the rocker arm (323) close to the two ends of the rocker arm are both provided with a first kidney-shaped hole (3231); pin shafts are arranged in the two first kidney-shaped holes (3231) in a sliding manner; the end part of the bracket (321) is hinged on a pin shaft close to one side of the upper punch die (12); the first fixing frame (324) is fixed on the lower end face of the horizontal shell (111); the middle part of the rocker arm (323) is hinged to the lower end of the first fixed frame (324); the vertical part of the L-shaped frame (327) is hinged to a pin shaft on one side deviating from the upper punching die (12); the fixed seat (322) is horizontally arranged on one side of the vertical shell (112) close to the upper punching die (12); a fixing hole (3221) is formed in the fixing seat (322); the second fixing frame (325) is arranged on the fixing seat (322); the middle part of the L-shaped frame (327) is hinged to the upper end of the second fixing frame (325); a second waist-shaped hole (3271) is formed in the end part of the horizontal part of the L-shaped frame (327); a pin shaft is arranged in the second waist-shaped hole (3271) in a sliding manner; the upper end of the safety frame (326) is hinged on the pin shaft; the safety frame (326) comprises a guide rod (3261) and a pressing hoop (3262); the guide rod (3261) is arranged in the fixing hole (3221) in a sliding mode; the pressing hoop (3262) is formed at the lower end of the guide rod (3261); a position sensor (34) is arranged on one side of the fixed seat (322); the position sensor (34) is electrically connected with the driving piece (31).

2. The anti-beater button attaching machine according to claim 1, wherein: the driving piece (31) comprises a motor (311), a first belt wheel (312), a second belt wheel (313), a synchronous belt (314), a driving arm (316), a lifting rod (318) and a connecting arm (317); the motor (311) is arranged at the lower end of the vertical shell (112); the first belt wheel (312) is arranged on an output shaft of the motor (311); the second belt wheel (313) is rotatably arranged on the horizontal shell (111) and corresponds to the first belt wheel (312); the synchronous belt (314) is sleeved on the first belt wheel (312) and the second belt wheel (313); a rotating shaft (315) extends from the axle of the second belt wheel (313); one end of the driving arm (316) is rotatably connected to the rotating shaft (315); one end of the connecting arm (317) is hinged with the upper end of the lifting rod (318), and the other end of the connecting arm (317) is hinged with the end part of the driving arm (316); a fixed sliding seat (33) extends from one side of the vertical shell (112); the bottom of the lifting rod (318) penetrates through the fixed sliding seat (33) and the upper punching die (12) is connected to the position, below the fixed sliding seat (33), of the lifting rod (318).

3. The anti-beater button attaching machine according to claim 1, wherein: one side of the frame (11) is provided with a bottom buckle feeding device (2).

4. A tamperproof button attaching machine according to claim 3, characterized in that: the bottom buckle feeding device (2) comprises a blanking frame (21), a material blocking assembly (22) and a material pushing assembly (23); the blanking frame (21) is obliquely arranged in a direction deviating from the rack (11) from bottom to top; the material blocking assembly (22) is arranged at the bottom of the blanking frame (21); the material pushing assembly (23) is arranged on the workbench (1).

5. An anti-beater button sewing machine as defined in claim 4, wherein: the blanking frame (21) is of a hollow structure, and one end of the blanking frame (21) is provided with a notch (211); the material blocking assembly (22) comprises a limiting plate (221), a blocking buckle plate (222), a mounting frame (223), a mounting seat and a first air cylinder (224); the bottom of the blanking frame (21) horizontally extends towards the direction close to the lower punching die (13) and is provided with a mounting plate (212); the limiting plate (221) is arranged on the mounting plate (212) and is close to the bottom of the blanking frame (21); one side of the limiting plate (221), which is close to the blanking frame (21), is provided with an arc-shaped groove matched with the peripheral side of the bottom buckle (5); the mounting seat is arranged on the lower end face of the blanking frame (21) and is close to the notch (211); one end of the first air cylinder (224) is hinged to the mounting seat; the mounting rack (223) is fixed at the bottom of the blanking rack (21) and is positioned on the lower end face of the blanking rack (21); the retaining plate (222) is of an H-shaped structure, the middle of the retaining plate (222) is hinged to the mounting frame (223), the upper end of the retaining plate (222) penetrates through the notch (211) to vertically extend out, and the lower end of the retaining plate (222) is hinged to a piston rod of the first cylinder (224).

6. An anti-beater button sewing machine as defined in claim 4, wherein: the pushing assembly (23) comprises a pushing plate (232) and a second air cylinder (231); the second air cylinder (231) is arranged in the blanking frame (21), and a piston rod of the second air cylinder (231) extends towards the direction close to the lower punching die (13); one side of the push plate (232) is fixedly connected with a piston rod of the second air cylinder (231); the lower end surface of the push plate (232) is in sliding fit with the workbench (1); the side of the push plate (232) facing away from the second cylinder (231) is aligned with the lower die (13).

7. The anti-beater button attaching machine according to claim 1, wherein: a bedplate (14) is arranged on the upper end surface of the workbench (1); a positioning template (4) is arranged on the bedplate (14); a plurality of mounting holes (41) are formed in one side, deviating from the rack (11), of the bedplate (14) at intervals; one side of the positioning template (4) is provided with two positioning grooves (42); one sides of the two positioning grooves (42) close to each other are communicated; the bottom of the positioning groove (42) is formed with an arc-shaped surface.

8. The anti-beater button attaching machine according to claim 1, wherein: a limiting ring (15) is arranged on the periphery of the lower punching die (13); the height of the limiting ring (15) is higher than that of the lower punch (13).