CN216804638U

CN216804638U - Punching mechanism for sheet cutting and punching integrated machine

Info

Publication number: CN216804638U
Application number: CN202123184831.3U
Authority: CN
Inventors: 徐卫国
Original assignee: Jiangsu Wanle Composite Material Co ltd
Current assignee: Jiangsu Wanle Composite Material Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-24
Anticipated expiration: 2031-12-17

Abstract

The utility model provides a punching mechanism for a sheet cutting and punching integrated machine, which comprises a transverse moving mechanism, a working arm, an upper punching die, a punching cylinder and a lower punching die, wherein the working arm is connected with the upper punching die; the working arm is arranged on the transverse moving mechanism, and the transverse moving mechanism is used for driving the working arm to move in a transverse position; the working arm is of a C-shaped structure and comprises an upper arm, a lower arm and a connecting arm, and the upper arm and the lower arm are connected through the connecting arm; the blanking cylinder is arranged on the upper arm, and a piston rod arranged on the blanking cylinder penetrates through the upper arm to be connected with the upper punching die; the lower punching die is arranged on the lower arm and is positioned below the upper punching die; the blanking cylinder drives the upper punch die to move downwards to be matched with the lower punch die to perform punching work. The utility model has simple structure and convenient use, reduces manual operation, greatly saves labor intensity and simultaneously has high quality of the processed fabrication hole.

Description

Punching mechanism for sheet cutting and punching integrated machine

Technical Field

The utility model relates to the technical field of woven bag processing, in particular to a punching mechanism for a sheet material cutting and punching integrated machine.

Background

A plurality of existing woven flexible freight bags need to be provided with fabrication holes when in use, so that a binding rope and a hanging ring can be conveniently threaded and led in the packaging process; at present, the production and processing of plastic woven flexible freight bags in China are mainly manual operation, the labor intensity is high, and fatigue type work causes many occupational diseases; in addition, when manual operation is carried out, the woven fabric of the flexible freight bag is thick and heavy, the manual cutting of the cloth cover of the sheet material is labor-consuming, the working efficiency of hole-punching operation is very low, the damage to the product can be caused by improper use of an operation cutter, and the influence of the proficiency of the operation of workers on the quality of the product is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art, provides a punching mechanism for a sheet material cutting and punching integrated machine, and can effectively solve the problems in the prior art.

The utility model is realized by the following technical scheme:

a punching mechanism for a sheet material cutting and punching processing all-in-one machine comprises a transverse moving mechanism, a working arm, an upper punching die, a blanking cylinder and a lower punching die; the working arm is arranged on the transverse moving mechanism, and the transverse moving mechanism is used for driving the working arm to move in a transverse position; the working arm is of a C-shaped structure and comprises an upper arm, a lower arm and a connecting arm, and the upper arm and the lower arm are connected through the connecting arm; the blanking cylinder is arranged on the upper arm, and a piston rod arranged on the blanking cylinder penetrates through the upper arm to be connected with the upper punching die; the lower punching die is arranged on the lower arm and is positioned below the upper punching die; the blanking cylinder drives the upper punch die to move downwards to be matched with the lower punch die to perform punching work.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, the transverse moving mechanism comprises a bottom frame, a slide rail, a slide groove, an adjusting screw rod, a rocking handle and a moving seat, wherein the slide rail and the slide groove are respectively arranged at the top of the bottom frame, and the slide groove and the slide rail are parallel to each other; the adjusting screw rod is arranged on the bottom frame, and the rocking handle is arranged at one end of the adjusting screw rod; the bottom of the moving seat is provided with a sliding block matched with the sliding rail and a roller matched with the sliding groove, so that the moving seat is movably connected to the bottom frame and connected with the adjusting screw rod through a screw nut arranged at the bottom, the rocking handle is rotated to drive the adjusting screw rod to rotate, and the moving seat is moved in a transverse position.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, a lower punch die mounting seat is arranged on the lower arm, and the lower punch die is arranged on the lower punch die mounting seat.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, a T-shaped groove for locking is formed in the top of the lower punch mounting seat, a mounting hole is formed in the lower punch, a bolt penetrates through the mounting hole to be connected with a self-locking nut placed in the T-shaped groove, and the lower punch is fixed on the lower punch mounting seat.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, the upper die is further provided with a prepressing mechanism, and the prepressing mechanism is used for prepressing the sheet material to be punched.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, the upper punching die comprises a punching head and a die holder; the top of the die holder is connected with a piston rod of a blanking cylinder, so that the upper punching die is arranged on the blanking cylinder; the die comprises a die holder, a die cutting head and a die, wherein the die holder is provided with a die cavity, the die cavity is provided with a plug-in groove on the bottom end surface of the die cavity, the top of the die cutting head is provided with a plug-in block, the plug-in block is inserted into the plug-in groove, and the plug-in pin is used for fixing the die cavity together.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, the prepressing mechanism comprises a pressing plate, a guide post, a connecting seat and a spring; the guide posts are respectively arranged at two ends of the top of the pressing plate, the top of each guide post is provided with a threaded section, and the rest guide posts are smooth sections; the spring is sleeved on the smooth surface section of the guide post; a first avoidance hole for avoiding the punching head is formed in the pressing plate; the punching die is characterized in that through holes for installation are formed in the connecting seat, the connecting seat is symmetrically arranged on two sides of the die holder, the pressing plate penetrates through the corresponding positions of the thread sections on the guide posts through the two ends, the through holes in the connecting seat are connected with self-locking nuts, the pressing plate is connected below the connecting seat, and the punching head is located above the first avoidance hole.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, a guide sleeve is arranged on the upper arm, and a guide pillar is arranged on the upper punching die; when the upper punching die is arranged on the punching cylinder, the guide pillar is inserted into the guide sleeve.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, the prepressing mechanism is further provided with a punching needle, and the punching needle is used for positioning when the sheet material is sewn.

Further, according to the punching mechanism for the sheet material cutting and punching integrated machine, the pressing plate is provided with a second avoidance hole, the punching needle is arranged on the connecting seat, and the needle tip of the punching needle is positioned above the second avoidance hole.

The utility model has simple structure and convenient use, reduces manual operation, greatly saves labor intensity and simultaneously has high quality of the processed fabrication hole.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is an enlarged view of the prepressing mechanism and the upper punch in fig. 1.

Fig. 3 is a schematic perspective view of the present invention.

In the figure:

the device comprises a transverse moving mechanism 1, a bottom frame 11, a sliding rail 12, a sliding groove 13, an adjusting screw rod 14, a rocking handle 15, a moving seat 16, a sliding block 161, a roller 162, a screw nut 163, a working arm 2, an upper arm 21, a lower arm 22, a lower punch die mounting seat 221, a T-shaped groove 2211, a connecting arm 23, an upper punch die 31, a punch head 311, an insertion block 311, a die holder 32, a punching cylinder 4, a piston rod 41, a lower punch die 5, a bolt 6, a prepressing mechanism 7, a pressing plate 71, a first avoidance hole 711, a second avoidance hole 712, a guide column 72, a threaded section 721, a smooth section 722, a connecting seat 73, a spring 74, a punching needle 75, a self-locking nut 8, a guide sleeve 9 and a guide column 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, the punching mechanism for the sheet material cutting and punching processing integrated machine comprises a transverse moving mechanism 1, a working arm 2, an upper punching die 3, a blanking cylinder 4 and a lower punching die 5; the working arm 2 is arranged on the transverse moving mechanism 1, and the transverse moving mechanism 1 is used for driving the working arm 2 to move in a transverse position; the working arm 2 is of a C-shaped structure and comprises an upper arm 21, a lower arm 22 and a connecting arm 23, wherein the upper arm 21 is connected with the lower arm 22 through the connecting arm 23; the blanking cylinder 4 is arranged on the upper arm 21, and a piston rod 41 arranged on the blanking cylinder 4 penetrates through the upper arm 21 and is connected with the upper punching die 3; the lower die 5 is provided on the lower arm 22 and located below the upper die 3; the blanking cylinder 4 drives the upper punching die 3 to move downwards to be matched with the lower punching die 5 to perform punching work. Specifically, the transverse moving mechanism 1 comprises a bottom frame 11, a slide rail 12, a chute 13, an adjusting screw 14, a rocking handle 15 and a moving seat 16, wherein the slide rail 12 and the chute 13 are respectively arranged at the top of the bottom frame 11, and the chute 13 and the slide rail 12 are parallel to each other; the adjusting screw rod 14 is arranged on the bottom frame 11, and the rocking handle 15 is arranged at one end of the adjusting screw rod 14; the bottom of the moving seat 16 is provided with a sliding block 161 matched with the sliding rail 12, a roller 162 matched with the sliding chute 13 and a screw nut 163 connected with the adjusting screw 14, and the rotating crank 15 drives the adjusting screw 14 to rotate, so that the moving seat 16 moves along the sliding rail 12 in the transverse direction. One end of the movable seat 16 is matched with the slide rail 12 through a slide block 161, and the other end is matched with the sliding chute 13 through a roller 162, so that the moving flexibility of the movable seat 16 is further improved, and the adjusting speed of the transverse position of the movable seat 16 is improved. In this embodiment, the bottom frame 11 is a rectangular frame structure, and includes a long square tube and a short square tube, the two long square tubes are parallel to each other, and two ends are connected through the short square tube respectively; the sliding grooves 13 are formed in the top of one of the rectangular pipes, the sliding rails 12 are formed in the top of the other rectangular pipe, and the sliding rails 12 are parallel to the sliding grooves 13; the adjusting screw rod 14 is movably connected between the two short square tubes, and one end of the adjusting screw rod 14 penetrates out of one of the short square tubes to be connected with the rocking handle 15; when the square tube type bottom frame 11 is used, the transverse position of the working arm 2 can be adjusted as required, process holes in different transverse positions can be conveniently machined in a sheet material, and the bottom frame 11 made of the square tube has the function of reducing weight while meeting the strength requirement.

Further, a lower punch mounting seat 221 is provided on the lower arm 22, and the lower punch 5 is provided on the lower punch mounting seat 221; specifically, a T-shaped groove 2211 for locking is formed in the top of the lower die mounting base 221, a mounting hole is formed in the lower die 5, and the lower die 5 is fixed to the lower die mounting base 221 by connecting a bolt 6 to a self-locking nut 8 provided in the T-shaped groove 2211 through the mounting hole. The installation of the self-locking nut 8 is facilitated through the T-shaped slot 2211. In addition, the lower punch 5 is arranged on the lower punch mounting seat 221, so that the lower punch 5 can be replaced conveniently, and multiple purposes are realized.

In addition, in order to improve the processing quality of the punched hole, the upper punching die 3 is further provided with a prepressing mechanism 7, and the prepressing mechanism 7 is used for prepressing the sheet material to be punched, so that the periphery of the sheet material to be punched is prevented from being free of limit, the risk of sliding exists during punching, and the accuracy of the punching position is further improved. Specifically, the prepressing mechanism 7 includes a pressing plate 71, guide posts 72, a connecting seat 73 and a spring 74, the guide posts 72 are respectively arranged at two ends of the top of the pressing plate 71, the guide posts 72 are provided with a threaded section 721 except the top, and the rest are smooth sections 722; the spring 74 is sleeved on the smooth section 722 of the guide post 72; the connecting base 73 is provided with a through hole for installation; when the prepressing mechanism 7 is arranged on the upper punch die set 5, the connecting seats 73 are symmetrically arranged on both sides of the upper punch die 3, and the thread sections 721 on the guide posts 72 at both ends of the pressing plate 71 penetrate through the through holes at the corresponding positions on the connecting seats 73 to be connected with the self-locking nuts 8, so that the pressing plate 71 is connected with the connecting seats 73. In this embodiment, the upper die 3 includes the die-cutting head 31 and the die holder 32, and the top of the die holder 32 is connected with the piston rod 41 on the blanking cylinder 4, so that the upper die 3 is arranged on the blanking cylinder 4, and the bottom end face of the die holder 32 is provided with the insertion groove, and the die-cutting head 31 is press-fitted with the insertion groove through the insertion block 311 at the top, and is fixed together by using a shaft pin, and the die-cutting head 31 is conveniently replaced by the shaft pin. The die holder 32 is symmetrically provided with connecting seats 73 at the left and right sides thereof, the connecting seats 73 are provided with mounting holes, the threaded sections 721 of the guide posts 72 at the two ends of the pressing plate 71 penetrate through the mounting holes on the connecting seats 73 at the corresponding positions to be connected with the self-locking nuts 8, so that the pressing plate 71 is connected on the die holder 32 and is positioned below the punching head 31, and the pressing plate 71 is provided with a first avoiding hole 711 for avoiding the punching head 31. The sheet stock to be punched is pre-pressed and leveled by the pressing plate 71, so that the punching quality is further improved. During the use, the sheet stock is located the top of lower die set 5, drive upper punch die 3 by blanking cylinder 4 and descend, down in-process clamp plate 71 with the sheet stock compaction on lower die set 5 for the sheet stock punches a hole the material face all around and paves, upper punch die 3 continues down simultaneously, die-cut head 31 stretches out by first dodge hole 711 and carries out die-cut work with lower die set 5 cooperation, die-cut in-process clamp plate 71 carries out elastic shrinkage under the effect of spring 74, die-cut back blanking cylinder 4 drives upper punch die 3 and goes upward, clamp plate 71 resets in the effect of spring 74, the completion of punching a hole.

Furthermore, a guide sleeve 9 is arranged on the upper arm 21, a guide post 10 is arranged on the upper punching die 3, and the guide post 10 is inserted in the guide sleeve 9 to play a guiding role; in this embodiment, the die holder 32 is provided with a guide pillar 10 at each of the front and rear sides thereof, the upper arm 21 is provided with a guide sleeve 9 at the corresponding position, and the guide pillar 10 is inserted in the guide sleeve 9; when the blanking cylinder 4 drives the die holder 32 to move up and down, the guide pillar 10 and the guide sleeve 9 are matched to play a guiding role, so that the die holder 32 does not deviate in position more accurately when moving up and down.

Further, in order to facilitate sewing at the folded corner of the bulk bag, a punching needle 75 may be provided on the prepressing mechanism 7, and the punching needle 75 is used to make a positioning mark hole in the sheet material. Specifically, the pressing plate 71 is provided with a second avoiding hole 712, and the punching needle 75 is disposed on the connection seat 73 such that the tip of the punching needle 75 is located above the second avoiding hole 712. During punching, the punching needle 75 descends to extend out of the second avoiding hole 712 to make a positioning mark hole.

Claims

1. A punching mechanism for a sheet material cutting and punching processing all-in-one machine is characterized by comprising a transverse moving mechanism, a working arm, an upper punching die, a blanking cylinder and a lower punching die; the working arm is arranged on the transverse moving mechanism, and the transverse moving mechanism is used for driving the working arm to move in a transverse position; the working arm is of a C-shaped structure and comprises an upper arm, a lower arm and a connecting arm, and the upper arm and the lower arm are connected through the connecting arm; the blanking cylinder is arranged on the upper arm, and a piston rod arranged on the blanking cylinder penetrates through the upper arm to be connected with the upper punching die; the lower punching die is arranged on the lower arm and is positioned below the upper punching die; the blanking cylinder drives the upper punch die to move downwards to be matched with the lower punch die to perform punching work.

2. The punching mechanism for the sheet material cutting and punching integrated machine according to claim 1, characterized in that: the transverse moving mechanism comprises a bottom frame, a sliding rail, a sliding chute, an adjusting screw rod, a rocking handle and a moving seat, wherein the sliding rail and the sliding chute are respectively arranged at the top of the bottom frame, and the sliding chute and the sliding rail are parallel to each other; the adjusting screw rod is arranged on the bottom frame, and the rocking handle is arranged at one end of the adjusting screw rod; the bottom of the moving seat is provided with a sliding block matched with the sliding rail and a roller matched with the sliding groove, so that the moving seat is movably connected to the bottom frame and connected with the adjusting screw rod through a screw nut arranged at the bottom, the rocking handle is rotated to drive the adjusting screw rod to rotate, and the moving seat is moved in a transverse position.

3. The punching mechanism for the sheet material cutting and punching integrated machine according to claim 1, characterized in that: and a lower punch die mounting seat is arranged on the lower arm, and the lower punch die is arranged on the lower punch die mounting seat.

4. The punching mechanism for the sheet material cutting and punching processing all-in-one machine according to claim 3, characterized in that: the top of the lower punch die mounting seat is provided with a T-shaped groove for locking, a mounting hole is formed in the lower punch die, a bolt penetrates through the mounting hole to be connected with a self-locking nut placed in the T-shaped groove, and the lower punch die is fixed on the lower punch die mounting seat.

5. The punching mechanism for the sheet material cutting and punching integrated machine according to claim 1, characterized in that: the upper punching die is further provided with a prepressing mechanism, and the prepressing mechanism is used for prepressing the sheet stock to be punched.

6. The punching mechanism for the sheet material cutting and punching integrated machine according to claim 5, characterized in that: the upper punching die comprises a punching head and a die holder; the top of the die holder is connected with a piston rod of a blanking cylinder, so that the upper punching die is arranged on the blanking cylinder; the die comprises a die holder, a die cutting head and a die, wherein the die holder is provided with a die cavity, the die cavity is provided with a plug-in groove on the bottom end surface of the die cavity, the top of the die cutting head is provided with a plug-in block, the plug-in block is inserted into the plug-in groove, and the plug-in pin is used for fixing the die cavity together.

7. The punching mechanism for the sheet material cutting and punching integrated machine according to claim 6, characterized in that: the prepressing mechanism comprises a pressing plate, a guide post, a connecting seat and a spring; the guide posts are respectively arranged at two ends of the top of the pressing plate, the top of each guide post is provided with a threaded section, and the rest guide posts are smooth sections; the spring is sleeved on the smooth surface section of the guide post; a first avoidance hole for avoiding the punching head is formed in the pressing plate; the punching die is characterized in that through holes for installation are formed in the connecting seat, the connecting seat is symmetrically arranged on two sides of the die holder, the pressing plate penetrates through the corresponding positions of the thread sections on the guide posts through the two ends, the through holes in the connecting seat are connected with self-locking nuts, the pressing plate is connected below the connecting seat, and the punching head is located above the first avoidance hole.

8. The punching mechanism for the sheet material cutting and punching integrated machine according to claim 1, characterized in that: the upper arm is provided with a guide sleeve, and the upper punching die is provided with a guide pillar; when the upper punching die is arranged on the punching cylinder, the guide pillar is inserted into the guide sleeve.

9. The punching mechanism for the sheet material cutting and punching integrated machine according to claim 7, characterized in that: the prepressing mechanism is also provided with a perforating needle which is used for positioning when the sheet material is sewed.

10. The punching mechanism for the sheet material cutting and punching integrated machine according to claim 9, wherein: the pressing plate is provided with a second avoiding hole, the punching needle is arranged on the connecting seat, and the tip end of the punching needle is located above the second avoiding hole.