CN219147795U

CN219147795U - Leather sheet cutting machine

Info

Publication number: CN219147795U
Application number: CN202222482711.XU
Authority: CN
Inventors: 肖荣; 闫甜甜; 王楠楠; 林国安
Original assignee: 990th Hospital Of Joint Support Force Of Chinese Pla
Current assignee: 990th Hospital Of Joint Support Force Of Chinese Pla
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-06-09
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a leather sheet cutting machine, which comprises a base and a cork anvil plate arranged on the base, wherein a supporting upright post is fixedly arranged at the top of the base, a cutting tool is arranged on the supporting upright post in a sliding manner and positioned right above the cork anvil plate, the cutting tool comprises a tool mounting plate, 14 transverse blades and 14 vertical blades are uniformly and fixedly arranged at the bottom of the tool mounting plate, the transverse blades and the vertical blades are mutually staggered, a pressing component for pressing leather sheets is further arranged in the cutting tool, the pressing component is in sliding connection with the supporting upright post, and when the blades are lifted after cutting is finished, the leather sheets can be pressed and fixed through the pressing component, so that the leather sheets are prevented from falling off or being separated from the cork anvil plate, and the lifting of the blades is not influenced. The utility model can easily and thoroughly cut the leather sheet and improve the cutting efficiency of the leather sheet.

Description

Leather sheet cutting machine

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a skin sheet cutting machine.

Background

Large area burn patients need to use skin grafting to promote wound healing. The skin required for skin grafting is typically healthy skin extracted from the patient's own skin supply area, cut into multiple small skin pieces with a dermatome, and then fold-expanded for use in surgery. Especially burn on the back, shoulder and buttock, and is most suitable for meeting the transplanting requirement of large-area wound surface by using small skin-supplying areas.

At present, such dermatome devices as MEEK skin grafting machines are mainly imported abroad in China, and the dermatomes are cut twice from the longitudinal direction and the transverse direction through rotating blades, so that the dermatomes with the size of 42mm is uniformly cut into 196 miniature dermatomes with the size of 3mm, the 3mm is uniformly cut, then the cut dermatomes are adhered to folded crepe yarns through special glue, and 1 is formed by stretching the crepe yarns: 4. 1: 6. 1:9, expanding and then transplanting the obtained product to the wound surface. The skin grafting machine has the following problems in the clinical use process: (1) Cutting the skin by using a fast rotating blade, the skin is easy to curl and even separate from the soft wood anvil plate, so that skin source loss is caused; (2) the rotary blade has a short service life due to mechanical wear; (3) Under the condition that the rotating blade is notched, rolled or has low rotating speed, the skin sheet is not thoroughly cut, so that the skin sheet falls off when stretching crepe yarns.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide the leather sheet cutting machine which can easily and thoroughly cut the leather sheet, can prevent the leather sheet from falling off or separating from the soft wood anvil plate and improves the cutting efficiency of the leather sheet.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a skin cutting machine, includes the base and sets up cork anvil dish on the base, its characterized in that: the top of base has set firmly the support post, it is equipped with cutting tool to slide on the support post, cutting tool is located cork anvil plate directly over, just be equipped with in the cutting tool and be used for pressing the pressing component of skin piece, pressing component with support post sliding connection.

Further, a mounting column is fixedly arranged at the top of the cutting tool, a sliding rod is fixedly arranged at the top of the mounting column, the sliding rod is perpendicular to the mounting column, and the sliding rod penetrates through the supporting upright post; the sliding rod is far away from one end bottom of the cutting tool, a first hydraulic rod is fixedly arranged on the base, and a first through hole for the sliding rod to pass through is formed in the supporting upright along the up-down direction.

Further, a first guide rod is fixedly arranged between the top and the bottom of the first through hole, the first guide rod is inserted into the sliding rod, and a second through hole for the first guide rod to pass through is formed in the sliding rod.

Further, the cutting tool comprises a tool mounting plate, 14 transverse blades and 14 vertical blades are uniformly and fixedly arranged at the bottom of the tool mounting plate, and the transverse blades and the vertical blades are mutually staggered.

Further, the center of cutter mounting panel is equipped with the cavity, press the subassembly including the activity setting to be in movable plate in the cavity, 196 movable rods have evenly been set firmly to the bottom of movable plate, 196 the movable rod all runs through the bottom of cutter mounting panel, and every the bottom of movable rod all has set firmly the thimble that is used for pressing the skin piece, 196 the thimble respectively with 14 horizontal blade and 14 196 grids one-to-one that vertical blade formed.

Further, a second guide rod is fixedly arranged between the top center and the bottom center of the cavity, and the moving plate is sleeved on the second guide rod in a sliding manner; the movable plate is close to one side of the support column and is fixedly provided with a third guide rod, the third guide rod penetrates through the cutter mounting plate and is close to one side face of the support column, one end, close to the support column, of the third guide rod is in sliding connection with the support column, the bottom of the third guide rod is fixedly connected with a second hydraulic rod, and the second hydraulic rod is also mounted on the base.

The beneficial effects of the utility model are as follows: compared with the prior art, the utility model has the advantages that,

1. according to the skin cutter disclosed by the utility model, the skin on the soft wood anvil plate can be cut into 196 standard 3mm x 3mm miniature skin at one time through the 14 transverse blades and the 14 vertical blades, so that the situation that the skin is easy to curl and even separate from the soft wood anvil plate when the skin is cut by the conventional rapid rotating blade, and skin source loss is caused is avoided.

2. When the skin cutting machine provided by the utility model finishes cutting the skin by the transverse blade and the vertical blade, the ejector pin moves downwards to press the corresponding miniature skin, and then the transverse blade 402 and the vertical blade are lifted up, so that the skin can be prevented from falling off or separating from the soft wood anvil plate, and the skin cutting efficiency is improved.

3. The leather sheet cutting machine disclosed by the utility model is simple in structure and convenient to operate, can easily cut the leather sheet thoroughly, can also prevent the leather sheet from falling off or separating from the soft wood anvil plate, and improves the leather sheet cutting efficiency.

Drawings

FIG. 1 is a schematic view of the external structure of a skin cutter according to the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the skin cutter according to the present utility model.

Fig. 3 is a front view showing the internal structure of the cutting tool of the present utility model.

Fig. 4 is a bottom view of the outer structure of the cutting tool of the present utility model.

Fig. 5 is a side view of a support column of the present utility model.

Wherein: the device comprises a base, a 2-cork anvil plate, a 3-supporting column, a 301-chute, a 4-cutting tool, a 401-tool mounting plate, a 402-transverse blade, a 403-vertical blade, a 404-cavity, a 405-fourth through hole, a 5-mounting column, a 6-sliding rod, a 7-first hydraulic rod, a 8-first through hole, a 9-first guide rod, a 10-second through hole, a 11-moving plate, a 1101-third through hole, a 12-moving rod, a 13-ejector pin, a 14-second guide rod, a 15-third guide rod and a 16-second hydraulic rod.

Detailed Description

In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.

Referring to fig. 1-5, the leather sheet cutting machine comprises a base 1 and a cork anvil plate 2 arranged on the base 1, wherein the cork anvil plate 2 can be embedded at the top of the base 1, the top of the cork anvil plate 2 is higher than the top surface of the base 1, the operation is convenient, the cork anvil plate 2 and the base 1 can be connected by a buckle, and the cork anvil plate 2 can be detached from the base 1 conveniently.

The top of base 1 has set firmly support post 3, support post 3 slides from top to bottom and is equipped with cutting tool 4, cutting tool 4 is used for cutting the skin piece, cutting tool 4 is located cork anvil plate 2 directly over, just be equipped with the pressing component that is used for pressing the skin piece in the cutting tool 4, pressing component with support post 3 sliding connection.

Specifically, the cutter 4 includes

cutter mounting panel

401, 14

horizontal blades

402 and 14 vertical blades 403 have evenly set firmly to the bottom of cutter mounting panel 401, horizontal blades 402 with vertical blades 403 are crisscross each other, form 196 small squares, when pressing down cutter 4, can cut 196 standard 3mm miniature skin with 14

horizontal blades

402 and 14 vertical blades 403 with the skin on the cork anvil plate 2, avoided current quick rotatory blade to curl easily when cutting the skin, even break away from the cork anvil plate, lead to the condition of skin source loss.

The center of cutter mounting panel 401 is equipped with cavity 404, press the subassembly including the activity setting to be in movable plate 11 in the cavity 404, 196 movable rods 12 have evenly been set firmly to the bottom of movable plate 11, 196 movable rods 12 all run through the bottom of cutter mounting panel 401, 196 through-holes that are used for movable rods 12 pass are seted up to the bottom of cutter mounting panel 401, guarantee that movable rods 12 can free reciprocate, every the thimble 13 that is used for pressing the leather sheet has all been set firmly to the bottom of movable rods 12, 196 thimble 13 respectively with 14

transverse blade

402 and 14 196 net one-to-one that vertical blade 403 formed. The thimble 13 is only required to be a circular rubber sheet, and when the transverse blade 402 and the vertical blade 403 cut the leather sheet, the bottom position of the thimble 403 is higher than the heights of the transverse blade 402 and the vertical blade 403, so that the cutting operation of the transverse blade 402 and the vertical blade 403 is not affected; when the transverse blade 402 and the vertical blade 403 cut the skin, the ejector pin 13 is pushed downwards to press the corresponding micro skin, and then the transverse blade 402 and the vertical blade 403 are lifted up, so that the skin can be prevented from falling off or separating from the soft wood anvil plate, and the skin cutting efficiency is improved.

A second guide rod 14 is fixedly arranged between the top center and the bottom center of the cavity 404, the moving plate 11 is slidably sleeved on the second guide rod 14, a third through hole 1101 for the second guide rod 14 to pass through is formed in the center of the moving plate 11, a third guide rod 15 is fixedly arranged on one side, close to the support upright 3, of the moving plate 11, the third guide rod 15 penetrates through one side, close to the support upright 3, of the cutter mounting plate 401, a fourth through hole 404 for the third guide rod 15 to pass through and capable of ensuring the third guide rod 15 to move up and down is formed on one side, close to the support upright 3, of the cutter mounting plate 401, and the third guide rod 15 penetrates through the fourth through hole 404; the third guide rod 15 is close to one end of the support column 3 and is in sliding connection with the support column 3, a sliding groove 301 is formed in a side surface of the support column 3, which is close to the third guide rod 15, a sliding block (not shown in the figure) matched with the sliding groove 301 is arranged at one end of the third guide rod 15, which is close to the support column 3, a second hydraulic rod 16 is fixedly connected to the bottom of the third guide rod 15, the second hydraulic rod 16 is also installed on the base 1, the third guide rod 15 can move up and down under the action of the second hydraulic rod 16, and then the moving plate 11, the moving rod 12 and the thimble 13 are driven to move up and down, and the vertical movement of the cutter mounting plate 401, the horizontal blade 402 and the vertical blade 403 are not influenced when the moving plate 11, the moving rod 12 and the moving plate 13 move down integrally and the cutter mounting plate 401 are not interfered with each other. The mutual guiding cooperation of movable plate 11 and second guide bar 14, the mutual cooperation between third guide bar 15 and fourth through hole 404 and the sliding connection between third guide bar 15 and support post 3 can play the effect of stable movable plate 11, avoids long-time back of using, because the movable plate 11 that only sets up in one side of movable plate 11 and leads to because second hydraulic stem 16 takes place the slope.

The working principle of the utility model is as follows: when the cutter is used, the leather sheet to be cut is placed on the cork anvil plate 2, the cutting cutter 4 is pressed downwards, the leather sheet on the cork anvil plate 2 can be cut into 196 standard 3mm x 3mm miniature leather sheets through the 14 transverse blades 402 and the 14 vertical blades 403, and the situation that the leather sheet is easy to curl and even separate from the cork anvil plate when the existing quick rotating blade cuts the leather sheet, so that the leather source is lost is avoided; when the transverse blade 402 and the vertical blade 403 cut the skin, the second hydraulic rod 16 drives the third guide rod 15 to move downwards, so that the movable plate 11, the movable rod 12 and the thimble 13 are driven to move downwards integrally, the thimble 13 presses down the corresponding miniature skin, and then the integral structure of the cutter mounting plate 401, the transverse blade 402 and the vertical blade 403 is lifted up, so that the skin can be prevented from falling off or separating from the soft wood anvil plate, and the skin cutting efficiency is improved; after the cutter mounting plate 401, the transverse blade 402 and the vertical blade 403 are separated from the skin, the third guide rod 15 is lifted by the second hydraulic rod 16, so that the thimble 13 is lifted from the corresponding micro skin.

Embodiment two:

on the basis of the first embodiment, the up-down interactive connection mode between the cutting tool 4 and the supporting upright 3 specifically includes: the top of the cutting tool 4 is fixedly provided with a mounting column 5, specifically, the top of the tool mounting plate 401 is fixedly provided with a mounting column 5, the top of the mounting column 5 is fixedly provided with a sliding rod 6, the sliding rod 6 is vertically arranged with the mounting column 5, and the sliding rod 6 penetrates through the supporting upright column 3; the sliding rod 6 is far away from one end bottom of the cutting tool 4 and is fixedly provided with a first hydraulic rod 7, the first hydraulic rod 7 is fixedly installed on the base 1, and a first through hole 8 for the sliding rod 6 to pass through is formed in the vertical direction of the support upright 3.

A first guide rod 9 is fixedly arranged between the top and the bottom of the first through hole 8, the first guide rod 9 is inserted into the sliding rod 6, and a second through hole 10 used for the first guide rod 9 to pass through is formed in the sliding rod 6.

The first hydraulic rod 7 stretches out and draws back and can drive the slide bar 6 and reciprocate to drive the up-and-down movement of erection column 5 and cutter mounting panel 401, the in-process of slide bar 6 reciprocates, and the first through-hole 8 of seting up on the support post 3 carries out spacingly to the outside of slide bar 6, and first guide bar 9 inserts and establishes in slide bar 6, and slide bar 6 reciprocates along first guide bar 9, also can play spacing guide effect to slide bar 6, improves the stability of slide bar 6 reciprocates.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a skin cutting machine, includes base (1) and sets up cork anvil dish (2) on base (1), its characterized in that: the utility model discloses a cork chopping block, including base (1), support stand (3) have set firmly at the top of base (1), the slip is equipped with cutting tool (4) on support stand (3), cutting tool (4) are located directly over cork chopping block (2), just be equipped with the subassembly that presses that is used for pressing the skin piece in cutting tool (4), press the subassembly with support stand (3) sliding connection.

2. A skin cutter as defined in claim 1, wherein: the top of the cutting tool (4) is fixedly provided with a mounting column (5), the top of the mounting column (5) is fixedly provided with a sliding rod (6), the sliding rod (6) is vertically arranged with the mounting column (5), and the sliding rod (6) penetrates through the supporting upright column (3); the utility model discloses a cutting tool, including base (1), support post (3), slide bar (6), cutting tool (4) are kept away from one end bottom has set firmly first hydraulic stem (7), first hydraulic stem (7) fixed mounting is in on base (1), first through-hole (8) that are used for slide bar (6) pass are seted up along the upper and lower direction on support post (3).

3. A skin cutter as defined in claim 2, wherein: a first guide rod (9) is fixedly arranged between the top and the bottom of the first through hole (8), the first guide rod (9) is inserted into the sliding rod (6), and a second through hole (10) used for the first guide rod (9) to penetrate through is formed in the sliding rod (6).

4. A skin cutter as defined in claim 1, wherein: the cutting tool (4) comprises a tool mounting plate (401), 14 transverse blades (402) and 14 vertical blades (403) are uniformly and fixedly arranged at the bottom of the tool mounting plate (401), and the transverse blades (402) and the vertical blades (403) are mutually staggered.

5. A skin cutter as defined in claim 4, wherein: the center of cutter mounting panel (401) is equipped with cavity (404), press the subassembly including the activity setting to be in movable plate (11) in cavity (404), 196 movable rod (12) have evenly been set firmly to the bottom of movable plate (11), 196 movable rod (12) all run through the bottom of cutter mounting panel (401), and every thimble (13) that are used for pressing the skin are all set firmly to the bottom of movable rod (12), 196 thimble (13) respectively with 14 horizontal blade (402) and 14 196 net one-to-one that vertical blade (403) formed.

6. A skin cutter as defined in claim 5, wherein: a second guide rod (14) is fixedly arranged between the top center and the bottom center of the cavity (404), and the moving plate (11) is sleeved on the second guide rod (14) in a sliding way; the movable plate (11) is close to one side of the support column (3) and fixedly provided with a third guide rod (15), the third guide rod (15) penetrates through the cutter mounting plate (401) and is close to one side of the support column (3), the third guide rod (15) is close to one end of the support column (3) and is in sliding connection with the support column (3), the bottom of the third guide rod (15) is fixedly connected with a second hydraulic rod (16), and the second hydraulic rod (16) is also mounted on the base (1).