CN211389071U - Hole puncher for manufacturing sharp tool protective sleeve - Google Patents

Abstract

The utility model relates to the technical field of punching equipment, in particular to a puncher for manufacturing a sharp-edged tool protective sleeve, which comprises a base, a pressing plate, a connecting rod, a cutter and a pressing mechanism, wherein the base is slidably connected with the pressing plate through the connecting rod; the base is used for placing paper sheets needing punching; the cutter comprises a connecting plate, a sliding block, a threaded rod, a nut and a cutter head, and is detached and installed on the pressing plate; the pressing mechanism comprises a pressing rod, a sliding shaft and a transverse frame, and the pressing mechanism is used for pressing the pressing plate to the base so that the cutter can punch the paper sheets on the base. The utility model provides a hole puncher for making edge tool protective sheath can swiftly punch to the card with accurate, has practiced thrift the cost of edge tool protective sheath, improves staff's the efficiency of punching.

Description

Hole puncher for manufacturing sharp tool protective sleeve

Technical Field

The utility model belongs to the technical field of the drilling equipment technique and specifically relates to a hole puncher for making edge tool protective sheath.

Background

A large number of sharp instruments such as scissors, tweezers and the like are arranged in a hospital supply room every day, and the sharp instruments need to be packaged in medical paper-plastic bags for sterilization treatment, however, the sharp tips of the sharp instruments can easily hurt the hands of users, and the packaging material paper-plastic bags are easily punctured, so that the sterilization effect is affected. Therefore, the hospital needs to put the sharp tool into the protective sleeve for packaging and then package and sterilize the sharp tool through the medical paper-plastic bag.

At present, although manufacturers sell protective sleeve paper sheets, generally hospital departments cannot purchase the protective sleeve paper sheets in order to reduce cost due to the fact that the cost is too high, the protective sleeve required by sharp instrument sterilization treatment needs to be cut and punched through the paper sheets which are subjected to high-pressure use by a pulse vacuum pressure steam sterilizer chemical test bag through workers, and then when the sharp instruments need to be protected, the punched paper sheets are folded, so that the sharp instruments can penetrate through the punched holes and are wrapped in the paper sheets. However, the time required for punching by manual cutting is long, and the punching position is not accurate enough, which easily causes that the sharp tool cannot be protected.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a hole puncher for making edge tool protective sheath can swiftly punch to the card with accurate, has practiced thrift the cost of edge tool protective sheath, improves staff's the efficiency of punching.

In order to achieve the purpose, the adopted technical scheme is as follows:

a puncher for manufacturing a sharp tool protective sleeve, which comprises a base, a pressing plate, a connecting rod, a cutter and a pressing mechanism,

the four connecting rods are respectively positioned at four corners of the base, one end of each connecting rod is fixedly connected with the corresponding connecting rod, the other end of each connecting rod is fixedly provided with a first abutting piece, the pressing plate is positioned between the base and the corresponding first abutting piece, the four corners of the pressing plate are slidably sleeved on the corresponding connecting rods, the connecting rods are sleeved with return springs, and two ends of each return spring are respectively abutted to the base and the corresponding pressing plate;

the cutter comprises a threaded rod, a sliding block, a nut, a connecting plate and a cutter head, wherein a sliding groove is formed in one surface, facing the base, of the pressing plate, a sliding opening is formed in the other surface of the pressing plate, the threaded rod penetrates through the sliding groove and the sliding opening and is in sliding connection with the sliding opening, the sliding block is fixedly connected with one end of the threaded rod and is in sliding connection with the sliding groove, the nut is located on one surface, facing away from the base, of the pressing plate and is in threaded connection with the threaded rod, and therefore one surface of the sliding block is abutted to the sliding groove; one side of the connecting plate is fixedly connected with one side of the sliding block, which is back to the pressing plate, and the other side of the connecting plate is fixedly connected with the cutter head;

the pressing mechanism comprises two pressing rods, two sliding shafts and a cross frame, the two sliding shafts are respectively fixedly connected with the end part of one side of the pressing plate, the two pressing rods are respectively arranged on two sides of the base, one ends of the two pressing rods are respectively connected with the end part of one side of the base in a rotating mode through rotating shafts, the two pressing rods are all connected with reserved openings in sliding fit with the sliding shafts, the reserved openings are sleeved on the sliding shafts, two ends of the cross frame are respectively connected with the two pressing rods, the two ends of the cross frame are far away from one end of each rotating shaft and fixedly connected with the cross rod through pressing, the sliding shafts are along the reserved openings to slide, and the pressing plates press to the base.

Further, the cutter is provided with three types, and the section of the cutter head of the first type of cutter is circular, so that a circular cutting line is cut for the paper sheet; the section of a cutter head of the second cutter is rectangular, so that a rectangular cutting line is cut on a paper sheet; the second type of the cutter has two equidirectional arrow structures, so that the cutter head is used for cutting a double-arrow cutting line on a paper sheet. The staff can be according to the kind and the structure selection of sharp weapon suitable the tool bit to punch the hole that is fit for sharp weapon to the paper piece.

Furthermore, a sucker is arranged on one surface of the base, which faces away from the pressing plate.

Furthermore, a cavity is formed in the base, and a notch communicated with the cavity is formed in the upper surface of the base; the clamping mechanism is arranged in the base, the two clamping mechanisms are oppositely arranged, the clamping mechanism comprises a scissor type telescopic frame, a connecting piece, clamping rods and a clamping spring, the scissor type telescopic frame is arranged in a cavity of the base and comprises a plurality of X-shaped frames, the number of the X-shaped frames is odd, each X-shaped frame comprises two rod bodies, the middle parts of the two rod bodies are hinged with each other, the end parts of the two adjacent X-shaped frames are hinged with each other, the hinged part of the middle parts of the two rod bodies in the X-shaped frame in the middle of the scissor type telescopic frame is rotatably connected with the base, the connecting piece is arranged in the cavity of the base and is provided with a groove, and the end parts of the rod bodies at the two ends of the scissor type telescopic frame are slidably connected with the connecting; the base upper surface be equipped with supporting rod sliding fit's notch, supporting rod one end with connecting piece fixed connection, the other end wear out the notch and with notch sliding connection, the centre gripping spring is located double-phase neighbour between the X-shaped frame, and both ends respectively with the articulated connection at body of rod middle part is connected, so that two are relative the supporting rod can be right the scraps of paper of clamp plate carry out the centre gripping.

Further, the supporting rod comprises a fixing rod, a sliding rod and a butt spring, the fixing rod is of an internal hollow structure, one end of the fixing rod is fixedly connected with the connecting piece, the other end of the fixing rod is connected with the notch in a sliding mode, one end of the sliding rod penetrates through the fixing rod in a sliding mode, the other end of the sliding rod can stretch out of the fixing rod, the butt spring is located in the fixing rod, two ends of the abutting spring are respectively connected with the fixing rod and the sliding rod in a fixed mode, and under the elastic force effect of the butt spring, the sliding rod stretches out of the fixing rod to limit the side face of the paper scrap.

Furthermore, the base is provided with a connecting frame and a release lever, the connecting frame is arranged in the base and is positioned between the two scissor type expansion frames, two ends of the connecting frame are respectively fixedly connected with two connecting pieces at one end of the scissor type expansion frames, the release lever is slidably arranged on the base in a penetrating manner, and one end of the release lever is fixedly connected with the connecting frame.

Furthermore, an opening communicated with the cavity is formed in the upper surface of one end of the base, an aligning piece is arranged in the base and located on one side of the clamping mechanism, and the aligning piece is located at one end of the base and is in sliding connection with the opening; the aligning device comprises an aligning piece, a base and supporting springs, wherein abutting pieces are arranged on two sides of the aligning piece, the supporting springs are arranged between the aligning piece and the base, two ends of each supporting spring are respectively abutted against the abutting pieces and the base, and the abutting pieces are abutted against the peripheral wall of the opening of the base under the elastic force action of the supporting springs.

Furthermore, the connecting piece is laid with a non-slip mat, and the non-slip mat is located around the sliding block.

The utility model has the advantages that:

1. the pressing plate is provided with the sliding groove and the sliding opening, the sliding block can slide in the sliding groove, and the cutter can be fixed at any position of the sliding groove by screwing the nut, so that the adjustment of the punching position is realized, the punching can be performed at different positions according to different edge tools, and the punched paper can be adapted to different edge tools to realize the protection of the edge tools; the card can be accurately punched by adjusting the punching position according to the size of the paper sheet; the threaded rod is screwed out of the nut, so that the connecting plate, the sliding block, the threaded rod and the cutter head can be detached from the pressing plate, the cutter is replaced, the paper sheets are punched by the cutter heads in different shapes, the punching holes in different shapes are obtained, and the edge tools in different shapes can be protected. Place the scraps of paper after pulsation vacuum pressure steam sterilizer chemistry test package uses through the high pressure on the base upper surface, through pushing down the crossbearer towards the base direction, make the depression bar rotate along the axis of rotation, simultaneously under the drive of depression bar, the sliding shaft slides in the reservation mouth, make the clamp plate move towards the base, thereby the decline of tool bit has been realized, punch with the scraps of paper on the base, after releasing the crossbearer, under reset spring's elastic force effect, the clamp plate is lifted, thereby can take out the scraps of paper that finishes of punching. Through pressing down the crossbearer towards the base, can punch promptly to the scraps of paper that stack at the base upper surface promptly, improve staff's the efficiency of punching. The utility model discloses utilize pulsation vacuum pressure steam sterilizer chemistry test package scraps of paper after high pressure uses to punch to need not purchase the protective sheath in addition, practiced thrift the cost of sharp weapon protective sheath.

2. Because the end parts of two adjacent X-shaped frames are hinged, when the included angle of the mutually hinged rod bodies in one X-shaped frame changes, all the other X-shaped frames change along with the change of the included angle, thereby realizing the extension and retraction of the scissor type telescopic frame; because the hinged part in the middle of the two rod bodies in the X-shaped frame in the middle of the scissor type telescopic frame is rotatably connected with the base, when the included angle of the mutually hinged rod bodies in a certain X-shaped frame changes, the telescopic amount of the rod bodies at the two ends of the scissor type telescopic frame is the same, under the elastic action of the clamping springs, the clamping rods on the connecting pieces at the two ends of the scissor type telescopic frame can clamp the paper sheets on the base, and because the telescopic amount of the rod bodies at the two ends of the scissor type telescopic frame is the same, the paper sheets on the base can be clamped at the center of the base, the paper sheet punching position is ensured to be positioned on the central line of the paper sheets, and.

3. Under the action of the abutting spring, the sliding rods extend out of the fixed rod, and meanwhile, under the action of the clamping spring, paper sheets on the base are clamped between the two sliding rods, so that the paper sheets stacked on the base are prevented from being deviated in the punching process, and the punching accuracy is improved; and when the pressing plate is pressed down, the sliding rod can be pressed into the fixed rod by the pressing plate, so that the sliding rod is prevented from influencing the punching depth.

Drawings

Fig. 1 is a schematic structural diagram of a hole puncher for manufacturing a sharps sheath according to embodiment 1 of the present invention.

Fig. 2 is a schematic view of a first cutter structure of a hole puncher for manufacturing a sharps sheath according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a sliding block of a hole puncher used for manufacturing a sharps protection sleeve in embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of a sliding groove of a puncher for manufacturing a sharps protection sleeve according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of a clamping mechanism of a hole puncher for manufacturing a sharps sheath according to embodiment 1 of the present invention.

Fig. 6 is a schematic structural view of a clamping rod of a hole puncher for manufacturing a sharps sheath according to embodiment 1 of the present invention.

Fig. 7 is a schematic structural view of an alignment member of a hole puncher for manufacturing a sharps protection sleeve according to embodiment 1 of the present invention.

Fig. 8 is a schematic structural diagram of a second tool of a hole punch for manufacturing a sharps sheath according to embodiment 2 of the present invention.

Fig. 9 is a schematic structural view of a third kind of cutter of a hole puncher for manufacturing a sharps sheath according to embodiment 3 of the present invention.

In the figure, 1-base, 11-suction cup, 12-notch, 13-alignment member, 131-second abutment member, 132-support spring, 2-pressing plate, 21-sliding groove, 22-sliding opening, 3-connecting rod, 31-first abutment member, 32-return spring, 41-connecting plate, 411-non-slip pad, 42-sliding block, 43-threaded rod, 44-nut, 45-cutter head, 5-pressing rod, 501-reserved opening, 51-sliding shaft, 52-cross frame, 53-rotating shaft, 6-scissor type telescopic frame, 601-rod body, 61-connecting plate, 611-sliding groove, 62-clamping rod, 63-clamping spring, 71-fixing rod, 72-sliding rod, 73-abutment spring, 8-connecting frame, 81-release lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Please refer to fig. 1 to 7, which illustrate a hole puncher for manufacturing a sharps sheath according to a preferred embodiment of the present invention, comprising a base 1, a pressing plate 2, a connecting rod 3, a cutter and a pressing mechanism.

Connecting rod 3 is equipped with four and is located four angles of base 1 respectively, and 3 one end of connecting rod and 3 fixed connection of connecting rod, the other end have set firmly first butt piece 31, and clamp plate 2 is located between base 1 and the first butt piece 31, and four angles sliding sleeve of clamp plate 2 locate on connecting rod 3, and 3 covers of connecting rod are equipped with reset spring 32, reset spring 32 both ends respectively with base 1 and 2 butts of clamp plate.

The cutter comprises a connecting plate 41, a sliding block 42, a threaded rod 43, a nut 44 and a cutter head 45.

One surface of the pressing plate 2 facing the base 1 is provided with a sliding groove 21, the other surface is provided with a sliding opening 22, and the threaded rod 43 penetrates through the sliding groove 21 and the sliding opening 22 and is connected with the sliding opening 22 in a sliding manner. The sliding block 42 is fixedly connected with one end of the threaded rod 43 and is connected with the sliding groove 21 in a sliding manner. The nut 44 is positioned on the side of the pressing plate 2 facing away from the base 1, and is screwed to the threaded rod 43 so that the sliding block 42 abuts against the sliding groove 21. One side of the connecting plate 41 is fixedly connected with one side of the sliding block 42 back to the press plate 2, and the other side is fixedly connected with the cutter head 45.

Because clamp plate 2 is equipped with sliding tray 21 and slip mouth 22, sliding block 42 can slide in sliding tray 21 to through screwing up nut 44, make the cutter fix on the optional position of sliding tray 21, realize the adjustment of the position of punching, can punch on the position of difference according to the sharp ware of difference, thereby make the different sharp ware of scraps of paper ability adaptation after punching, in order to realize the protection to sharp ware. And the card can be accurately punched by adjusting the punching position according to the size of the paper sheet.

Screw cap 44 is screwed out threaded rod 43 for connecting plate 41, sliding block 42, threaded rod 43 and tool bit 45 can be dismantled out from clamp plate 2, realize changing the change of cutter, punch the scraps of paper through the tool bit 45 of different shapes, in order to obtain the drilling hole mouth of different shapes, thereby can protect the sharp weapon of different shapes.

As shown in fig. 2, the cutting head 45 of the cutter has a circular cross section for cutting a circular cutting line into a paper sheet.

In this embodiment, the connecting plate 41 is laid with the anti-slip pads 411, and the anti-slip pads 411 are located around the sliding block 42. Under the effect of slipmat 411, can improve the frictional force between connecting plate 41 and clamp plate 2, prevent that the skew from appearing in the in-process that punches to tool bit 45.

The pressing mechanism includes a pressing rod 5, a sliding shaft 51 and a cross frame 52. The sliding shafts 51 are two, the two sliding shafts 51 are respectively fixedly connected with two sides of one end of the pressing plate 2, the two pressing rods 5 are two and are respectively located on two sides of the base 1, one ends of the two pressing rods 5 are respectively connected with two sides of one end of the base 1 through the rotating shafts 53 in a rotating mode, the two pressing rods 5 are respectively provided with reserved openings 501 in sliding fit with the sliding shafts 51, and the pressing rods 5 are sleeved on the sliding shafts 51 through the reserved openings 501. Two ends of the cross frame 52 are respectively fixedly connected with one ends of the two pressure rods 5 far away from the rotating shaft 53. By depressing the cross frame 52, the slide shaft 51 slides along the prepared opening 501 to press the press plate 2 toward the base 1.

In this embodiment, the rotating shaft 53 is a bearing, an inner ring of the rotating shaft is fixedly connected to the base 1, and an outer ring of the rotating shaft is fixedly connected to the pressing rod 5, so that the pressing rod 5 can be rotatably connected to the base 1 under the rotating structure of the inner ring and the outer ring of the bearing. The sliding shaft 51 is also a bearing, an inner ring of the sliding shaft 51 is fixedly connected with the pressure plate 2, and an outer ring of the sliding shaft 51 is rotatably connected with the inside and the outside, so that the sliding shaft 51 can conveniently slide along the reserved opening 501.

Place the scraps of paper after pulsation vacuum pressure steam sterilizer chemistry test package uses at base 1 upper surface, through pushing down crossbearer 52 towards base 1 direction, make depression bar 5 rotate along the axis of rotation, simultaneously under depression bar 5's drive, slide shaft 51 slides in reserving mouthful 501, make the clamp plate move towards the base, thereby the decline of tool bit 45 has been realized, punch with the scraps of paper on the base 1, after release crossbearer 52, under reset spring 32's spring action, clamp plate 2 is lifted up, thereby can take out the scraps of paper that finish punching. This embodiment is through pushing down crossbearer 52 towards base 1 direction, can promptly punch to the scraps of paper that stack at the base upper surface, improves staff's the efficiency of punching. The embodiment has utilized the scraps of paper after the pulsation vacuum pressure steam sterilizer chemistry test package uses the high pressure to punch to need not purchase the protective sheath in addition, practiced thrift the cost of sharp weapon protective sheath.

In this embodiment, a suction cup 11 is disposed on a surface of the base 1 opposite to the pressing plate 2. Under the effect of sucking disc 11, can fix base 1 on the desktop, prevent that base 1 and desktop from appearing sliding and leading to the skew of punching the position when punching.

The base 1 is internally provided with a cavity, and the upper surface of the base is provided with a notch 12 communicated with the cavity; be equipped with fixture in the base 1, fixture is two and relative setting, and fixture includes formula of cutting expansion bracket 6, connecting plate 61, supporting rod 62 and centre gripping spring 63.

The scissor type telescopic frame 6 is arranged in a cavity of the base 1, the scissor type telescopic frame 6 comprises a plurality of X-shaped frames, the number of the X-shaped frames is odd, each X-shaped frame comprises two rod bodies 601 with the middle parts hinged to each other, the end parts of two adjacent X-shaped frames are hinged to each other, the hinged part of the middle parts of the two rod bodies 601 in the X-shaped frame in the middle of the scissor type telescopic frame 6 is rotatably connected with the base 1, the connecting plate 61 is arranged in the cavity of the base 1 and provided with a groove 611, and the end parts of the rod bodies 601 at the two ends of the scissor type telescopic frame 6 are slidably connected with; base 1 upper surface is equipped with the notch 12 with clamping rod 62 sliding fit, clamping rod 62 one end and connecting plate 61 fixed connection, the other end wear out notch 12 and with notch 12 sliding connection, centre gripping spring 63 is located between two adjacent X shape framves, and both ends are connected with the articulated at the middle part of the body of rod 601 respectively to make two relative clamping rod 62 can carry out the centre gripping to the scraps of paper of clamp plate 2.

Because the end parts of two adjacent X-shaped frames are hinged, when the included angle of the rod bodies 601 hinged with each other in one X-shaped frame changes, all the other X-shaped frames change along with the change of the included angle, and therefore the telescopic frame 6 can be stretched. Because the hinged part in the middle of the two rod bodies 601 in the X-shaped frame in the middle of the scissor-type telescopic frame 6 is rotatably connected with the base 1, when the included angle of the rod bodies 601 hinged to each other in a certain X-shaped frame changes, the telescopic amount of the rod bodies at the two ends of the scissor-type telescopic frame 6 is the same, under the elastic action of the clamping spring 63, the clamping rods 62 on the connecting plates at the two ends of the scissor-type telescopic frame 6 can clamp the paper sheets on the base 1, and because the telescopic amount of the rod bodies at the two ends of the scissor-type telescopic frame 6 is the same, the paper sheets on the base 1 can be clamped at the center of the base 1, the paper sheet punching position is ensured to be positioned on the central line of.

In this embodiment, the clamping rod 62 includes a fixing rod 71, a sliding rod 72 and an abutting spring 73, the fixing rod 71 is an internal hollow structure, one end of the fixing rod is fixedly connected to the connecting plate 61, the other end of the fixing rod is slidably connected to the notch 12, one end of the sliding rod 72 is slidably disposed in the fixing rod 71, the other end of the sliding rod can extend out of the fixing rod 71, the abutting spring 73 is disposed in the fixing rod 71, and two ends of the sliding rod are fixedly connected to the inner bottom 1 of the fixing rod 7 and one end of the sliding rod 72 disposed in the fixing rod 71, under the elastic action of the abutting spring 73, the sliding rod 72 extends out of the fixing rod 71 to limit the side.

Under the action of the abutting spring 73, the sliding rods 72 extend out of the fixed rod 72, and meanwhile, under the action of the clamping spring 63, paper sheets on the base 1 are clamped between the two sliding rods 72, so that the paper sheets stacked on the base are prevented from deviating in the punching process, and the punching accuracy is improved; also, when the pressing plate 2 is pressed down, the sliding rod 72 can be pressed into the fixing rod 71 by the pressing plate 2, thereby preventing the sliding rod 72 from affecting the depth of the punching.

In this embodiment, the base 1 is provided with a connecting frame 8 and a releasing rod 81, the connecting frame 8 is disposed in the base 1 and located between the two scissor-type telescopic frames 6, two ends of the connecting frame 8 are respectively fixedly connected with the connecting plate 61 at one end of the two scissor-type telescopic frames 6, the releasing rod 81 is slidably disposed through the base 1, and one end of the releasing rod is fixedly connected with the connecting frame 8. By pulling the release lever 81 so that the link frame 8 can pull the link plate 61, the scissor jack 6 is elongated so that the distance between the two clamping rods 62 becomes large, thereby facilitating the taking of a sheet out of the chassis 1 or into the chassis 1.

Preferably, an opening communicated with the cavity is formed in the upper surface of one end of the base 1, an aligning piece 13 is arranged in the base 1, and the aligning piece 13 is located at one end of the base 1, is located on one side of the clamping mechanism, and is in sliding connection with the opening; the two sides of the aligning member 13 are provided with abutting members 131, a supporting spring 132 is arranged between the aligning member 13 and the base 1, the two supporting springs 132 are respectively abutted against the abutting members 131 and the base 1, and under the elastic force of the supporting spring 132, the abutting members 131 are abutted against the peripheral wall of the opening of the base 1.

One end of the paper stacked on the base 1 can be aligned with the aligning piece 13, so that the accuracy of the punching position of the paper is ensured. Also, the aligning members 13 can be lowered with the pressing down of the pressing plate 2 by the supporting springs 132, preventing the aligning members 13 from affecting the punching.

Use the utility model discloses a during the embodiment, according to the shape selection suitable cutter that needs punched, according to the position that needs punched, penetrate sliding opening 46 with threaded rod 43 through sliding tray 21, make sliding block 42 card go into sliding tray 21 simultaneously, slide tool bit 45 screws up nut 44 to suitable position back, makes sliding block 42 can be dorsad the one side and the sliding tray 21 butt of connecting plate 41.

Pulling the release lever 81 so that the link frame 8 can pull the link plate 61, the scissor jack 6 is elongated so that the distance between the two clamping rods 62 becomes large, and sheets of the impulse vacuum pressure steam sterilizer chemical test pack after high pressure use are stacked on the base 1 and pushed toward the aligning member 13 so that one end of the sheets are aligned. The release lever 81 is released, causing the scissor jack 6 ends to simultaneously shorten under the action of the clamping spring 63, causing the paper on the base 1 to be clamped in the center of the base 1.

The cross frame 52 is pressed down, so that the pressing rod 5 rotates along the rotating shaft, meanwhile, under the driving of the pressing rod 5, the sliding shaft 51 slides in the reserved opening 501, the pressing plate 2 moves towards the base, so that the cutter head 45 descends along with the pressing plate, and the paper sheets on the base 1 are punched. After the punching is completed, the cross frame 52 is released, the pressing plate 2 is lifted by the elastic force of the return spring 32, and the punched paper can be taken out by pulling the release lever 81. The sharps to be protected are passed through the hole made in the sheet of paper and then wrapped within the sheet of paper to achieve protection of the sharps.

Example 2

This embodiment is the same as embodiment 1 except that the shape of the cutting tip 45 of the cutter is different from that of embodiment 1. In this embodiment, as shown in fig. 8, the cutting head 45 of the cutter has a rectangular cross section for cutting a rectangular cutting line into a paper sheet.

Example 3

This embodiment is the same as embodiment 1 except that the shape of the cutting tip 45 of the cutter is different from that of embodiment 1.

In this embodiment, as shown in fig. 9, the cutting head 45 of the cutter has two equidirectional arrow structures for cutting a double-arrow cutting line on a paper sheet.

Claims (8)

1. A hole puncher for manufacturing a sharp tool protective sleeve is characterized by comprising a base (1), a pressing plate (2), a connecting rod (3), a cutter and a pressing mechanism,

the connecting rod (3) is provided with four connecting rods and is respectively positioned at four corners of the base (1), one end of the connecting rod (3) is fixedly connected with the connecting rod (3), the other end of the connecting rod is fixedly provided with a first abutting piece (31), the pressing plate (2) is positioned between the base (1) and the first abutting piece (31), the four corners of the pressing plate (2) are slidably sleeved on the connecting rod (3), the connecting rod (3) is sleeved with a return spring (32), and two ends of the return spring (32) are respectively abutted to the base (1) and the pressing plate (2);

the cutter comprises a threaded rod (43), a sliding block (42), a nut (44), a connecting plate (41) and a cutter head (45), one surface, facing the base (1), of the pressing plate (2) is provided with a sliding groove (21), the other surface of the pressing plate is provided with a sliding opening (22), and the threaded rod (43) penetrates through the sliding groove (21) and the sliding opening (22) and is in sliding connection with the sliding opening (22); the sliding block (42) is fixedly connected with one end of the threaded rod (43) and is in sliding connection with the sliding groove (21); the screw cap (44) is positioned on one surface of the pressing plate (2) back to the base (1) and is in threaded connection with the threaded rod (43), so that one surface of the sliding block (42) is abutted to the sliding groove (21); one surface of the connecting plate (41) is fixedly connected with one surface of the sliding block (42) back to the pressing plate (2), and the other surface of the connecting plate is fixedly connected with the cutter head (45);

the pressing mechanism comprises two pressing rods (5), two sliding shafts (51) and a transverse frame (52), the two sliding shafts (51) are fixedly connected with two sides of one end of the pressing plate (2) respectively, the two pressing rods (5) are arranged on two sides of the base (1) respectively, one ends of the two pressing rods (5) are rotatably connected with two sides of one end of the base (1) through rotating shafts (53) respectively, the two pressing rods (5) are provided with reserved openings (501) in sliding fit with the sliding shafts (51), the pressing rods (5) are sleeved on the sliding shafts (51) through the reserved openings (501), two ends of the transverse frame (52) are fixedly connected with one ends, far away from the rotating shafts (53), of the two pressing rods (5) respectively, the transverse frame (52) is pressed down, and the sliding shafts (51) slide along the reserved openings (501), so that the pressure plate (2) is pressed towards the base (1).

2. The punch for making sharps protective casing of claim 1, wherein: the cutter is provided with three types, and the section of a cutter head (45) of the first type of cutter is circular so as to cut a circular cutting line on a paper sheet; the section of a cutter head (45) of the second cutter is rectangular, so that a rectangular cutting line is cut on a paper sheet; the cutter head (45) of the second type of cutter is of two homodromous arrow structures and is used for cutting a double-arrow cutting line on a paper sheet.

3. The punch for making sharps protective casing of claim 1, wherein: and a sucker (11) is arranged on one surface of the base (1) back to the pressing plate (2).

4. The punch for making sharps protective casing of claim 1, wherein: a cavity is formed in the base (1), and a notch (12) communicated with the cavity is formed in the upper surface of the base; the base (1) is internally provided with two clamping mechanisms which are oppositely arranged, the clamping mechanism comprises a scissor type telescopic frame (6), a connecting piece (61), a clamping rod (62) and a clamping spring (63), the scissor type telescopic frame (6) is arranged in the cavity of the base (1), the scissor type telescopic frame (6) comprises a plurality of X-shaped frames, the number of the X-shaped frames is odd, the X-shaped frames comprise two rod bodies (601) with the middle parts hinged with each other, the end parts of two adjacent X-shaped frames are hinged with each other, the hinged part of the middle parts of the two rod bodies (601) in the X-shaped frame in the middle of the scissor type telescopic frame (6) is rotatably connected with the base (1), the connecting piece (61) is arranged in the cavity of the base (1), the end parts of the rod bodies (601) at the two ends of the scissor type telescopic frame (6) are connected with the connecting piece (61) in a sliding way through the sliding grooves (611); base (1) upper surface be equipped with supporting rod (62) sliding fit's notch (12), supporting rod (62) one end with connecting piece (61) fixed connection, the other end is worn out notch (12) and with notch (12) sliding connection, centre gripping spring (63) are located double-phase neighbour between the X-shaped frame, and both ends respectively with the articulated connection at the body of rod (601) middle part, so that two are relative supporting rod (62) can be right the scraps of paper of clamp plate (2) carry out the centre gripping.

5. The punch for making sharps protective casing of claim 4, wherein: the clamping rod (62) comprises a fixing rod (71), a sliding rod (72) and a butt spring (73), the fixing rod (71) is of an internal hollow structure, one end of the fixing rod is fixedly connected with the connecting piece (61), the other end of the fixing rod is slidably connected with the notch (12), one end of the sliding rod (72) penetrates through the fixing rod (71), the other end of the sliding rod can stretch out of the fixing rod (71), the butt spring (73) is located in the fixing rod (71), two ends of the abutting rod are respectively located at the inner bottom of the fixing rod (71) and the sliding rod (72) is located at one end of the fixing rod (71), and under the elastic action of the butt spring (73), the sliding rod (72) stretches out of the fixing rod (71) to limit the side face of a paper sheet.

6. The punch for making sharps protective casing of claim 4, wherein: base (1) is equipped with link (8) and release lever (81), link (8) are located in base (1), and are located two cut between formula expansion bracket (6), the both ends of link (8) respectively with two cut one end on connecting piece (61) fixed connection of formula expansion bracket (6), release lever (81) slide wear to establish with base (1), and one end with link (8) fixed connection.

7. The punch for making sharps protective casing of claim 4, wherein: an opening communicated with the cavity is formed in the upper surface of one end of the base (1), an aligning piece (13) is arranged in the base (1), and the aligning piece (13) is located at one end of the base (1), is located on one side of the clamping mechanism and is in sliding connection with the opening; the aligning device is characterized in that abutting parts (131) are arranged on two sides of the aligning part (13), a supporting spring (132) is arranged between the aligning part (13) and the base (1), two supporting springs (132) are arranged, two ends of each supporting spring are respectively abutted against the abutting parts (131) and the base (1), and the abutting parts (131) are abutted against the peripheral wall of the opening of the base (1) under the elastic force action of the supporting springs (132).

8. The punch for making sharps protective casing of claim 1, wherein: non-slip mat (411) have been laid to connecting plate (41), non-slip mat (411) are located all around sliding block (42).

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