CN211306530U

CN211306530U - Paper perforating device

Info

Publication number: CN211306530U
Application number: CN201921718263.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shen Chaofeng
Current assignee: Zhejiang Chuanqi Stationery Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-08-21
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a paper perforating device, including the working plate, the working plate upside supports fixed connection roof jointly through two backup pads, and the upside of roof is equipped with tensile cylinder, and the piston rod of tensile cylinder is vertical to run through the working plate downwards, and the terminal fixed connection base plate of piston rod of tensile cylinder, base plate downside fixed connection square, the downside of square are equipped with the mounting groove, are equipped with the motor in the mounting groove. The utility model has the advantages that: the pressing position of the pressing plate can be adjusted as required by rotating the rotating rod in the hole, the hand wheel is rotated to rotate the screw rod, paper needing to be punched is pressed tightly through the pressing plate, the problem that the paper is prone to skewing when punching is solved, the base plate is pushed downwards by the stretching cylinder, the pressing block is pressed downwards to the paper, the pressing block is pressed downwards along with the downward pressing of the stretching cylinder, the spring is pressed to enable the drill bit to penetrate downwards from the yielding hole at a constant speed to punch, and the problem that the paper wrinkles due to pressure easily when punching can be solved.

Description

Paper perforating device

Technical Field

The utility model relates to a paper technical field that punches especially relates to a paper perforating device.

Background

Punching holes in paper is often required in paperwork, such as binding documents, data office paper, such as loose-leaf paper, cards, examination paper albums and the like, and especially, a large number of paper sheets are bound. For a plurality of papers, the thickness of the papers is very thick, and the papers are difficult to bind by a common stapler, so that the papers need to be bound after being punched by a puncher.

The existing punching device can not well fix paper, is easy to deviate, and is easy to wrinkle because of pressure during punching.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a paper punching device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a paper perforating device, includes the working plate, its characterized in that: the upper side of the working plate supports and is fixedly connected with the top plate through two supporting plates, a stretching cylinder is arranged on the upper side of the top plate, a piston rod of the stretching cylinder vertically penetrates through the working plate downwards, the tail end of the piston rod of the stretching cylinder is fixedly connected with the base plate, the lower side of the base plate is fixedly connected with the square block, a mounting groove is formed in the lower side of the square block, a motor is arranged in the mounting groove, a spindle of the motor is vertically and downwards arranged and is fixedly connected with a rotating chuck, a drill bit is vertically clamped in the rotating chuck, the lower side of the base plate is further symmetrically and fixedly connected with two springs which are vertically arranged on two sides of the square block respectively, the lower ends of the two springs are fixedly connected with a pressing block together, the pressing block is provided with a stepping groove towards the upper end of the spring;

the upper side of the working plate is symmetrically and horizontally provided with chutes, each chute is internally provided with a sliding block in sliding fit, the upper side of each sliding block is vertically and fixedly connected with a pressing part, each pressing part comprises a rotating seat, each rotating seat is fixedly connected with the upper side of the corresponding sliding block, each rotating seat is internally provided with a rotating hole, each rotating hole is internally provided with a rotating rod in rotating fit, one side of each rotating rod is horizontally and fixedly connected with a cross rod, each cross rod is provided with a first threaded hole, each first threaded hole is internally provided with a screw rod in threaded fit, the lower end of each screw rod is fixedly connected with a pressing plate, the upper end of each screw rod is fixedly connected with a rotating hand wheel, the center of the upper side of the working plate is provided with a v-shaped groove, the v-shaped groove is opposite to the abdicating hole, the v-shaped groove penetrates through the working plate, the lower side, the outside of two backup pads all is equipped with push-and-pull cylinder, push-and-pull cylinder's the equal level of piston rod runs through rather than the backup pad that corresponds, the equal fixed connection of the terminal of every push-and-pull cylinder's piston rod rather than the rotation seat to, push-and-pull cylinder can promote to compress tightly the piece and pass through the slider at the upper surface reciprocating motion of working plate, the equal vertical fixed connection supporting leg in four corners of the downside of working plate.

Preferably, the outside of every rotation seat all is equipped with the second screw hole, every second screw hole all with rather than corresponding rotation hole intercommunication, every second screw hole all is equipped with the locking bolt who is used for locking the dwang.

Preferably, a reinforcing rib is arranged between each supporting leg and the lower side of the working plate.

The utility model has the advantages that: the utility model provides a paper perforating device, through the dwang rotate the downthehole rotation can adjust the position that compresses tightly of pressure strip as required, the rotation hand wheel rotates the screw rod, the paper that will punch through the pressure strip compresses tightly, can solve the paper problem that the skew takes place easily when punching like this, stretch cylinder promotes the base plate downwards, make the briquetting press down to the paper, along with stretch cylinder pushes down, the spring receives pressure makes the drill bit at the uniform velocity from stepping down the hole and wear out downwards and punch, can solve when punching like this and arouse the problem that the paper corrugates because of pressure easily.

Drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic view of the basic structure of the pressing member;

fig. 3 is an enlarged view of a portion a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in FIGS. 1-3, the utility model provides a paper perforating device, which comprises a working plate 1, wherein the working plate 1 is a rectangular plate, the upper side of the working plate 1 is jointly supported, welded and fixedly connected with a top plate 3 through two supporting plates 2, an upper bolt of the top plate 3 is fixedly connected with a stretching cylinder 8, a piston rod of the stretching cylinder 8 vertically penetrates through the working plate 1 downwards, the end of the piston rod of the stretching cylinder 8 is fixedly connected with a base plate 9 in a welding way, the lower side of the base plate 9 is fixedly connected with a block 10 in a welding way, the lower side of the block 10 is provided with a mounting groove 10.1, a bolt is fixedly connected with a motor 10.2 in the mounting groove 10.1, a main shaft of the motor 10.2 is vertically and downwards arranged and fixedly connected with a rotary chuck 11, a drill bit 12 is vertically clamped in the rotary chuck 11, the lower side of the base plate 9 is also fixedly connected with two springs 14 in, briquetting 13 is equipped with the groove of stepping down 13.1 towards the upper end of spring 14, and the groove of stepping down 13.1 sets up between two springs 14 and sets up with square 10 relatively, and the bottom is equipped with the hole of stepping down 13.2 in the groove of stepping down 13.1, and the hole of stepping down 13.2 runs through briquetting 13 lower extreme, drill bit 12 sets up with the hole of stepping down 13.2 relatively.

The upper side of the working plate 1 is symmetrically and horizontally provided with sliding chutes 4, each sliding chute 4 is internally connected with a sliding block 4.1 in a sliding fit manner, the upper side of each sliding block 4.1 is vertically and fixedly connected with a pressing piece 5, each pressing piece 5 comprises a rotating seat 5.1, each rotating seat 5.1 is fixedly connected with the upper side of the corresponding sliding block 4.1 in a welding manner, each rotating seat 5.1 is internally provided with a rotating hole 5.2, each rotating hole 5.2 is internally connected with a rotating rod 5.3 in a rotating fit manner, the outer side of each rotating seat 5.1 is provided with a second threaded hole 5.9, each second threaded hole 5.9 is communicated with the corresponding rotating hole 5.2, each second threaded hole 5.9 is internally provided with a locking bolt 5.10 for locking the rotating rod 5.3, one side of each rotating rod 5.3 is horizontally and fixedly connected with a cross rod 5.4 in a welding manner, each cross rod 5.4 is provided with a first threaded hole 5.5, and each first threaded hole 5.5 is internally connected with a screw rod 5.6 in a, the lower end of each screw rod 5.6 is horizontally welded and fixedly connected with a pressing plate 5.8, the upper end of each screw rod 5.6 is welded and fixedly connected with a rotating hand wheel 5.7, a v-shaped groove 7 is arranged at the center of the upper side of the working plate 1, the v-shaped groove 7 is arranged opposite to the abdicating hole 13.2, the v-shaped groove 7 penetrates through the working plate 1, the lower side of the working plate 1 is welded and fixedly connected with a waste material box 141, the waste material box 141 is arranged opposite to and communicated with the v-shaped groove 7, the outer sides of the two supporting plates 2 are fixedly connected with a push-pull air cylinder 6 through bolts, a piston rod of the push-pull air cylinder 6 horizontally penetrates through the corresponding supporting plate 2, the tail end of the piston rod of each push-pull air cylinder 6 is fixedly connected with a rotating seat 5.1 corresponding to the same, the push-pull air cylinder 6 can push the pressing piece 5 to reciprocate on the, all be equipped with strengthening rib 16 between the downside of every supporting leg 15 and working plate 1, strengthening rib 16 can strengthen whole perforating device's stability.

The utility model discloses the theory of operation does: when the paper punching machine is used, paper needing to be punched is placed on the upper side of the working plate 1, the distance between two pressing pieces 5 can be adjusted through the push-pull cylinder 6 according to the difference of the sizes of the paper, the pressing position of the pressing plate 5.8 can be adjusted as required by rotating the rotating rod 5.3 in the rotating hole 5.2, the rotating hand wheel 5.7 rotates the screw rod 5.6, the paper needing to be punched is pressed through the pressing plate 5.8, the motor 10.2 is opened to rotate the drill bit 12, the stretching cylinder 8 pushes the base plate 9 downwards, the pressing block 13 is pressed downwards to the paper, the pressing cylinder 8 presses downwards, the spring 14 bears pressure to enable the drill bit 12 to penetrate out downwards from the abdicating hole 13.2 at a constant speed to be punched, and paper scraps produced during punching fall into the waste material box 141 through the.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A paper perforating device, includes working plate (1), its characterized in that: the upper side of a working plate (1) is jointly supported and fixedly connected with a top plate (3) through two supporting plates (2), a stretching cylinder (8) is arranged on the upper side of the top plate (3), a piston rod of the stretching cylinder (8) vertically penetrates through the working plate (1) downwards, the tail end of the piston rod of the stretching cylinder (8) is fixedly connected with a base plate (9), a square block (10) is fixedly connected with the lower side of the base plate (9), a mounting groove (10.1) is formed in the lower side of the square block (10), a motor (10.2) is arranged in the mounting groove (10.1), a main shaft of the motor (10.2) is vertically and downwards arranged and fixedly connected with a rotary chuck (11), a drill bit (12) is vertically clamped in the rotary chuck (11), two springs (14) are symmetrically and fixedly connected with the lower side of the base plate (9), the two springs (14) are respectively vertically arranged, the upper end of the pressing block (13) facing the spring (14) is provided with a step-down groove (13.1), the step-down groove (13.1) is arranged opposite to the square block (10), the bottom in the step-down groove (13.1) is provided with a step-down hole (13.2), the step-down hole (13.2) penetrates through the lower end of the pressing block (13), and the drill bit (12) is arranged opposite to the step-down hole (13.2);

the upper side of the working plate (1) is symmetrically and horizontally provided with sliding chutes (4), each sliding chute (4) is internally connected with a sliding block (4.1) in a sliding fit manner, the upper side of each sliding block (4.1) is vertically and fixedly connected with a pressing part (5), each pressing part (5) comprises a rotating seat (5.1), each rotating seat (5.1) is fixedly connected with the upper side of the corresponding sliding block (4.1), each rotating seat (5.1) is internally provided with a rotating hole (5.2), each rotating hole (5.2) is internally connected with a rotating rod (5.3) in a rotating fit manner, one side of each rotating rod (5.3) is horizontally and fixedly connected with a transverse rod (5.4), each transverse rod (5.4) is provided with a first threaded hole (5.5), each threaded hole (5.5) is internally connected with a screw rod (5.6) in a threaded fit manner, the lower end of each screw rod (5.6) is fixedly connected with a pressing plate (5.8), and the upper end of each screw rod (5.6) is fixedly connected with a hand wheel (, work plate (1) upside center department is equipped with v-groove (7), v-groove (7) set up with stepping down hole (13.2) relatively, work plate (1) is run through in v-groove (7), downside fixedly connected with waste material box (141) of work plate (1), waste material box (141) set up and are linked together with v-groove (7) relatively, the outside of two backup pad (2) all is equipped with push-and-pull cylinder (6), the equal level of piston rod of push-and-pull cylinder (6) runs through backup pad (2) rather than corresponding, the equal fixed connection in end of the piston rod of every push-and-pull cylinder (6) rather than rotation seat (5.1), push-and-pull cylinder (6) can promote to compress tightly piece (5) and pass through slider (4.1) at the upper surface reciprocating motion of work plate (1), the equal vertical fixed connection supporting leg (15) of four corners of the downside of work plate (1.

2. The paper punch device of claim 1, wherein: every rotates the outside of seat (5.1) and all is equipped with second screw hole (5.9), every second screw hole (5.9) all is linked together rather than rotation hole (5.2) that correspond, all is equipped with in every second screw hole (5.9) and is used for locking bolt (5.10) of dwang (5.3).

3. The paper punch device of claim 1, wherein: and reinforcing ribs (16) are arranged between each supporting leg (15) and the lower side of the working plate (1).