CN114376682B - Single-layer leather sheet expanding slide glass and preparation instrument thereof - Google Patents
Single-layer leather sheet expanding slide glass and preparation instrument thereof Download PDFInfo
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- CN114376682B CN114376682B CN202210045660.6A CN202210045660A CN114376682B CN 114376682 B CN114376682 B CN 114376682B CN 202210045660 A CN202210045660 A CN 202210045660A CN 114376682 B CN114376682 B CN 114376682B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/322—Skin grafting apparatus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/02—Devices for expanding tissue, e.g. skin tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/322—Skin grafting apparatus
- A61B2017/3225—Skin grafting apparatus with processing of harvested tissue
Abstract
A single-layer leather sheet expanding slide and a preparation device thereof are provided, wherein the slide comprises a single-layer metal membrane or alloy membrane; the metal membrane or the alloy membrane comprises an expandable folding area; the folding area comprises folding traces, the folding traces are formed by straight lines in two vertical directions, or the folding traces of the folding area are formed by equidistant circular rings and radiation lines; the folding traces divide the folding area into folding cells; a clinging folding layer which has the same bending direction and clings to the upper layer of the corresponding folding cell is arranged below the folding trace; the upper layer of the folding cell and the close-contact folding layer form a 3-layer folding cell in one folding direction. The arrangement can ensure that the whole upper plane of the extension slide glass is of a plane structure, and effective contact between the leather sheet and the upper plane of the extension slide glass is realized; the problems of insecure and unstable lamination of the leather sheets are prevented. A special slide glass preparation instrument with a male die and a female die and a preparation method are additionally arranged; the required extended slide can be well prepared.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a skin extension slide arranged in a single layer and a preparation instrument.
Background
When the skin has a plurality of large-area skin injuries, such as large-area burns, scalds, serious traffic accidents, skin infection ulcers, skin tumors and the like; most of the skin sheets need to be obtained for transplantation, the skin sheets need to be cut in the transplantation process and then are dispersedly expanded and arranged on the damaged skin, and the currently adopted faster mode is a mechanical skin sheet cutting mode by utilizing the MEEK technology. Utilize the apparatus that MEEK technique relates to also be a mechanical cutting process, operation process needs set up the leather sheet to the cork piece, utilize the apparatus to cut, the process of cutting needs the training just can accomplish, set up to the extension leather sheet after attaching the glue film with the leather sheet of cutting after accomplishing the cutting, then with the extension leather sheet extension, whole process also needs complicated operation process, need accomplish the cutting back on the cork piece in order to prevent the damage of extension slide glass in mechanical cutting process and on transferring the extension slide glass of bilayer, can't effectively realize directly accomplishing cutting process on the extension slide glass.
At present, a more advanced mode is a laser cutting mode, and the existing leather sheet is difficult to use in the laser cutting process, so that an effective expansion slide glass capable of being used in the laser cutting process is needed.
The invention aims at the problems and provides a single-layer leather sheet expanding slide and a preparation device.
Disclosure of Invention
In order to overcome the problems in the background art, the invention provides a single-layer leather sheet expanding slide and a preparation device.
A single-layer leather sheet expanding slide comprises a single-layer metal film or alloy film; the metal membrane or the alloy membrane comprises an expandable folding area; the folding area comprises folding traces, the folding traces are formed by straight lines in two vertical directions, or the folding traces of the folding area are formed by equidistant circular rings or elliptical rings and radiation lines; the folding traces divide the folding area into folding cells; two layers of clinging folding layers which have the same bending direction and are clinging to the upper layer of the corresponding folding cell are arranged below the folding trace; the upper layer of the folding cell and the close-contact folding layer form a 3-layer folding cell in one folding direction. The arrangement can ensure that the whole upper plane of the extension slide glass is of a plane structure, and effective contact between the leather sheet and the upper plane of the extension slide glass is realized; the problems of insecure and unstable lamination of the leather sheets are prevented. When the device is used, the expansion slide glass and the leather sheet are wetted, then the leather sheet is arranged on the expansion slide glass, the leather sheet can be effectively attached to the expansion slide glass, then the expansion slide glass is arranged on a placing platform of a laser cutting instrument, and cutting is completed according to a program; because of the metal carrier, the chip can be prevented from being damaged by the laser cutting process.
Preferably, the fold trace is a straight line in two perpendicular directions; according to different area expansion ratios, in one folding direction, the folded strip comprises only 3 opposite layers of folds arranged in parallel, or comprises 3 opposite layers of folded strips and 1 opposite layers of unfolded strips; the folding strips and the non-folding strips are arranged in a staggered way.
Preferably, the width of each layer of the 3 layers of folded articles is identical, the width of all folded articles is identical and the width of all unfolded articles is identical.
Preferably, according to different area expansion ratios, the expansion ratios in two directions are obtained as needed, the product of the expansion ratios in two directions is the area expansion ratio, and the area expansion ratio is 1: n; the expansion ratio of the direction one is 1: n is a radical of an alkyl radical 1 (ii) a The expansion ratio in direction 2 is 1: n is 2 ；n＝n 1 *n 2 (ii) a The width of the direction-folding strip is set as X 1 (ii) a The width of the unfolded strip is set as Y 1 Then X 1 、Y 1 And n 1 The relationship of (1) is: n is 1 (X 1 +Y 1 )＝(3X 1 +Y 1 ) (ii) a The width of the two-direction folding strip is set as X 2 (ii) a The width of the unfolded strip is set as Y 2 Then X 2 、Y 2 And n 2 The relationship of (1) is: n is 2 (X 2 +Y 2 )＝(3X 2 +Y 2 )。
Preferably, the expansion ratios in the two expansion directions are the same according to different area expansion ratios; in one folding direction, the width of the folding strip is set to be X; the width of the non-folding strip is set as Y, the area expansion ratio is 1: n, and n is less than or equal to 9; x, Y and n are then the relationship:
preferably, the specific lengths of the respective folded and unfolded strips are calculated based on the ratio of the width of the folded strip to the width of the unfolded strip, the total length and total width of the final folded area, and the number of the folded strips.
Preferably, 10-30 folded strips are provided per folding direction, and a corresponding number of unfolded strips are provided. Preferably, the whole length range of the folding area is 3-6 cm; the width is 3-10 cm.
Preferably, when the folding strips and the non-folding strips are arranged in a staggered mode in one direction, the two folding directions are finally folded to form a plurality of identical folding cells, and each folding cell comprises a 9-layer cell and a one-layer cell in the first diagonal direction; three layers of cells in the second diagonal direction, and folding cells are arranged in two directions in sequence; or when one cell only comprises a folding strip, finally folding in two directions to form a plurality of identical folding cells, wherein the folding cells only comprise a 9-layer cell; the folding cells are arranged in two directions in sequence.
Preferably, the area expansion ratio of the expansion slide is: 1: 3; 1: 4; 1: 5; 1: 6; 1:9.
Preferably, the width of the folded strip is the same as the width of the unfolded strip when the area expansion ratio is 1: 4.
Alternatively, the unfolded strip width is zero when the area expansion ratio is 1: 9.
Preferably, the fold marks between the cells being folded coincide with the direction of the laser cut.
Preferably, four corners of the metal membrane or the non-metal membrane are single-layer drawing and expanding operation areas; the expansion action in two directions is completed by pulling the expansion operation area.
Preferably, the pulling and expanding operation area is further provided with a corresponding fixing structure which is used for effectively fixing the metal membrane to the placing structure of the laser cutting instrument, and the fixing structure is a weak adhesive layer; or the fixed structure is a magnetic layer with a positioning function, and the position of the magnetic absorption layer corresponds to the magnetic absorption structure on the placement structure of the laser cutting instrument.
Preferably, arrows and indication structures for indicating the expansion direction sequence are also indicated on the pulling and expanding operation area. The preferred marking structure is an arrow mark sticker with the words "first extension direction" and "second extension direction", respectively.
Preferably, the folded initial marking lines are arranged in two directions of the metal membrane or the alloy membrane, so that the folded initial position can be conveniently found, the folding area of the finally expanded slide is ensured to be centered, and the accurate placement of the folding area is finally ensured.
Preferably, the thickness of the metal membrane or the alloy membrane ranges from 0.02mm to 0.15mm, and the preferred thickness is 0.02 mm; 0.03 mm; 0.05 mm.
Preferably, the metal membrane is made of any metal membrane with good ductility, and the alloy membrane is made of any alloy membrane with good ductility. When not using under the laser, metal diaphragm or alloy diaphragm material includes: aluminum foil, aluminum foil paper, tin foil, aluminum alloy (alloy elements including copper, magnesium, zinc, iron, tin, manganese and/or silver and the like constitute binary alloy or multi-element alloy); preferred materials include pure aluminum, pure magnesium, zinc alloys, magnesium alloys, copper, titanium nickel alloys, and the like.
When used under laser, the metal diaphragm or the alloy diaphragm comprises the following materials: aluminum foil, aluminum foil paper, tin foil, titanium-nickel alloy, pure silver, or binary alloy or multi-element alloy composed of elements such as aluminum, tin, copper, magnesium, zinc, iron, titanium, silver and the like; the preferred alloy membrane may also include aluminum foil, aluminum foil paper, tin foil, aluminum alloy, zinc alloy, magnesium alloy, titanium-nickel alloy, etc.
Preferably, the unfolded state of the metal or alloy membrane is in the shape of a square or rectangle, preferably a square.
Preferably, the unfolded metal membrane or the alloy membrane is set to be different in size according to different expansion ratios, and the side length of the folded metal membrane or the folded alloy membrane is not more than 10 cm.
The expanding slide disclosed by the invention is suitable for cutting technologies such as laser cutting, ultrasonic cutting, plasma cutting or high-frequency fulgerizing cutting.
The invention also discloses a preparation instrument for preparing the extension slide glass folded in the vertical two directions; the folding die comprises a female die with a plurality of grooves, wherein at least one groove edge of each groove is equal to the width of a folding strip; arranging at least two protruding dies; when only 3 layers of folded folding strips are arranged in parallel in one folding direction, the sum of the lengths of the two sides of the groove and the spacing distance between two adjacent grooves is equal to the length of the single folded strip after expansion; or when in a folding direction, the folding strip comprises 3 layers of folding strips and 1 layer of non-folding strips, the sum of the lengths of two sides of the groove and the spacing distance between two adjacent grooves is equal to the sum of the expansion distance of a single folding strip and the distance of the non-folding strip; the spacing distance between two adjacent grooves can be zero.
Through with metal diaphragm or alloy diaphragm one side after the temporary fixation sets up on the die, stretch into the recess through the protruding structure with first protruding mould and form a folding region, this position of after-fixing, set up second protruding mould in adjacent next recess and fixed, in the next recess before with first protruding mould antedisplacement second protruding mould after, so repeat until the end, or, after two protruding moulds set for, both take place a check antedisplacement forward, first protruding mould sets up in the good recess of suppression that the second protruding mould corresponds, suppress the second protruding mould forward again to next the recess that needs the suppression in, move in proper order and know the end.
Or the forward movement of the first protruding die and the second protruding die is realized through an automatic frame body; the film pressing action at the subsequent groove is realized by simultaneously advancing the first protruding die and the second protruding die; the first raised die falls first and the second raised die falls, each time moving forward by one groove position.
Or the corresponding number of the protruding dies for pressing the film at one time are arranged, and the film is transversely moved into the groove according to the direction of the groove after one-time downward movement, so that the film pressing action is finished at one time.
Preferably, the female die comprises a non-groove area in the groove area, the width distance of the non-groove area is not more than 3cm, or scales are arranged on the width edge of the non-groove area, the length of the non-folding area is conveniently measured, and the size of the final drawing and expanding operation area is ensured.
Preferably, a groove sequencing number mark is correspondingly arranged below the groove of the female die; by setting the numbers, the operation can be better performed according to the numerical sequence.
Preferably, the length of the groove is not less than the distance of the largest edge of the metal membrane or the alloy membrane, wherein the groove preferably penetrates through the whole concave die, and the operation is convenient.
Preferably, the convex mould comprises a convex structure, a holding structure above the convex structure, and the holding structure is a cylindrical structure extending upwards or obliquely upwards from the plane above the convex structure; this arrangement facilitates the attachment of the two raised dies.
Preferably, the expansion ratios in the two directions are the same, after one-direction folding is completed, the metal membrane or the alloy membrane with one folding direction is placed on the female die after rotating 90 degrees, and the folding operation in the second direction is repeatedly completed.
Preferably, a special pressing and fixing structure for fixing the metal membrane or the alloy membrane on the female die is provided, and the pressing and fixing structure is a structure with a large mass and a bottom comprising a plane.
Preferably, the bottom of the pressing and fixing structure further comprises a protruding structure pressed into the first groove, and the arrangement can effectively realize the position fixing of the pressing and fixing structure.
Preferably, the rear end of the pressing and fixing structure is attached to the front end of the protruding die, and the second groove can be conveniently and better operated.
Preferably, two raised dies are provided on the automated moving rack, one groove distance at a time.
Preferably, the number of grooves is not less than 6, preferably not less than 14, and the number setting can meet different requirements. Preferably, the female die and the male die of different models are arranged according to different expansion ratios.
Preferably, according to different area expansion ratios, the expansion ratios in two directions are obtained as needed, the product of the expansion ratios in two directions is the area expansion ratio, and the area expansion ratio is 1: n; the expansion ratio of the direction one is 1: n is 1 (ii) a The expansion ratio in direction 2 is 1: n is 2 ；n＝n 1 *n 2 (ii) a The width of the direction-folding strip is set as X 1 (ii) a The width of the unfolded strip is set as Y 1 Then X 1 、Y 1 And n 1 The relationship of (1) is: n is 1 (X 1 +Y 1 )＝(3X 1 +Y 1 ) (ii) a The width of the two-direction folding strip is set as X 2 (ii) a The width of the unfolded strip is set as Y 2 Then X 2 、Y 2 And n 2 The relationship of (1) is: n is 2 (X 2 +Y 2 )＝(3X 2 +Y 2 )。
Preferably according to different areasThe expansion ratio is the same in the two expansion directions; in one folding direction, the width of the folding strip is set to be X; the width of the non-folding strip is set as Y, the area expansion ratio is 1: n, and n is less than or equal to 9; x, Y and n are then the relationship:
preferably, both edges of the groove are the same width as the folded strip; the spacing distance between two adjacent grooves is equal to the sum of the width distance of a folded strip and the width distance of a non-folded strip; when the die is used, after the film pressing action is finished, the pressed metal film or alloy film is taken out of the female die, the metal film and the alloy film in the two grooves are attached to the sides of the two grooves, and the two grooves are attached to the spaced metal film or alloy film in one direction.
Preferably, the length of the groove side is X; the spacing distance between two adjacent grooves is (X + Y).
Preferably, an operating structure is provided for specially clamping two sides in the groove of the bent metal membrane or alloy membrane, preferably the operating structure is an operating forceps or an operating pliers, and preferably the operating length of the operating forceps is not less than the length of the longest edge of the metal membrane or alloy membrane.
Preferably, the operation forceps comprise two clamping arms with the front ends arranged in parallel, and the length of each clamping arm is not less than the length of the longest edge of the metal membrane or the alloy membrane.
Or the spacing distance between two adjacent grooves is zero, no space is arranged between two adjacent grooves, and each groove comprises a short side and a long side; the length of the short edge is equal to the width of the folded strip, and the length of the other edge is equal to the sum of the widths of the two folded strips and the width of one unfolded strip; the whole groove inclines towards the direction of the short side. I.e. the length of the short side is X; the length of the long side is (2X + Y).
Preferably, the included angle between the short side and the die platform is less than 60 degrees, preferably less than 30 degrees, which facilitates the folding operation after pressing.
Preferably, a flattening tool is provided which finally effects the folding flattening.
Preferably, the flattening tools are two flattening plates with the same size, when the device is used, the metal membrane or the alloy membrane processed in one direction by the female die and the male die is inverted on one flattening plate, then the extending parts needing to be folded are flattened one by one in the inclined direction, after the flattening treatment, the device rotates by 90 degrees, the pressing film treatment is carried out in the second direction, after the treatment, the device is placed on the flattening plate to be flattened, and the preparation of the extension carrier is completed after the flattening.
Preferably, the flattening plate comprises a bottom flattening plate and an upper flattening plate, a handheld structure is arranged on the upper flattening plate, the upper flattening plate can be conveniently held by a hand to be inclined and pressed downwards along the direction needing to be inclined, and the accurate folding and flattening effect is achieved.
The invention also discloses a preparation method of the single-layer extended slide, which comprises the first step of arranging an untreated metal membrane or an untreated alloy membrane on the female die;
secondly, placing a pressing and fixing structure with a plane at the bottom above the metal membrane or the alloy membrane, and pressing and fixing;
thirdly, arranging the first protruding die into the first groove, and then arranging the second protruding die into the second groove to finish the film pressing action of the first two grooves;
fourthly, finishing the film pressing action at the subsequent groove by means of alternately advancing the first protruding die and the second protruding die; or the film pressing action at the subsequent groove is realized by simultaneously advancing the first protruding die and the second protruding die; the first raised die falls first and the second raised die falls, each time moving forward by one groove position.
And fifthly, after the film pressing operation in one direction is finished and the film pressing operation is rotated by 90 degrees, arranging the processed metal film or alloy film on the female die, and repeating the operation steps 1-4 to finish the preparation of the extended slide glass.
Preferably, the forward movement of the first and second ejection dies is realized by an automated frame body; the film pressing action at the subsequent groove is realized by simultaneously advancing the first protruding die and the second protruding die; the first male die falls first and the second male die falls thereafter, each time moving forward by one groove position. Or the corresponding number of protruding dies for pressing the film at one time are arranged, and the film is moved downwards at one time and then transversely moved into the groove according to the direction of the groove, so that the film pressing action is completed at one time.
The invention has the beneficial effects that: the folding traces of the extended slide glass divide the folding areas into the same folding cells, and the leather sheet is arranged on the uppermost layer of the planar folding cell and cannot be influenced when being unfolded, so that the effective contact between the leather sheet and the extended slide glass is ensured, and the change of the position of the leather sheet in the extension process is prevented; and because the simple metal membrane or alloy membrane is handled more conveniently, and because single-deck metal membrane or alloy membrane can tolerate laser firing, can further avoid the damage to slide glass itself through the laser cutting route of folding trace department. Through the design of the preparation instrument, the effective extension slide can be quickly prepared, the efficiency is high even if the manual operation is carried out, and the clinical requirement can be met. The preparation of the extended slide can be completed more rapidly through the operation of the preparation method.
Drawings
FIG. 1 is a schematic structural view of an integral extended slide of the present invention;
FIG. 2 is a partially enlarged schematic view of an extended slide according to an embodiment of the present invention that does not include non-folded strips;
FIG. 3 is a schematic view of a folded region configuration in an embodiment of the present invention comprising folded and unfolded strips;
FIG. 4 is an enlarged, fragmentary, schematic view of an embodiment of the present invention comprising folded and unfolded strips;
FIG. 5 is a schematic structural view of a metal diaphragm or an alloy diaphragm after one-direction film pressing operation is completed according to the present invention;
FIG. 6 is a schematic diagram of the overall configuration of an embodiment of the device for preparing the grooves with long and short sides according to the present invention;
FIG. 7 is a schematic structural diagram of a female mold of an embodiment of the preparation apparatus with grooves having long sides and short sides according to the present invention;
FIG. 8 is a partially enlarged structural view of a groove portion of an embodiment of a device for manufacturing grooves with long and short sides according to the present invention;
FIG. 9 is a schematic diagram of a male mold structure of an embodiment of the apparatus for making with grooves having long and short sides according to the present invention;
FIG. 10 is a schematic view of the overall configuration of an embodiment of the apparatus for preparing the grooves of the present invention with equal sides;
FIG. 11 is an enlarged partial schematic view of an embodiment of a preparation instrument according to the present invention with two equal sides of the groove;
FIG. 12 is a schematic view of a flattening tool according to the present invention;
FIG. 13 is a schematic view of the present invention showing the structure of the forceps;
in the figure, 1, a metal membrane or an alloy membrane; 2. a fold region; 21. folding the trace; 22. folding the cell; 221. 9 layers of cells; 222. a layer of cells; 223. three layers of cells; 31. folding the strip; 32. a non-folded strip; 4. drawing and expanding the operation area; 41. a weak adhesion layer; 5. a female die; 51. a groove; 511. a long side; 512. a short side; 52. a non-recessed region; 53. marking by a number; 6. extruding the mold; 61. a protruding structure; 62. a gripping structure; 7. compressing the fixed structure; 8. operating the tweezers; 81. a clamp arm; 91. pressing the flat plate at the bottom; 92. an upper platen; 93. a hand-held structure.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below by specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. The present invention can be implemented or applied by other different specific embodiments, and the features in the following embodiments and embodiments can be combined with each other without conflict, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
A single-layer leather sheet expanding slide, which is shown in a reference figure 1; the device comprises a metal membrane or an alloy membrane 1 which is arranged in a single layer; the metal membrane or the alloy membrane 1 comprises an expandable folding area 2; the folding area 2 comprises folding traces 21, the folding traces 21 are formed by straight lines in two vertical directions, or the folding traces 21 of the folding area 2 are formed by equidistant circular rings and radial lines; the folding traces 21 divide the folding area 2 into folding cells 22; a close-contact folding layer which has the same bending direction and is closely contacted with the upper layer of the corresponding folding cell 22 is arranged below the folding trace 21; the upper layer of folded cell 22 and the next layer of folded layer form a 3-layer folded cell 22 in one folding direction. The arrangement can ensure that the whole upper plane of the extension slide glass is of a plane structure, and effective contact between the leather sheet and the upper plane of the extension slide glass is realized; the problems of insecure and unstable lamination of the leather sheets are prevented. When the device is used, the expansion slide glass and the leather sheet are wetted, then the leather sheet is arranged on the expansion slide glass, the leather sheet can be effectively attached to the expansion slide glass, then the expansion slide glass is arranged on a placing platform of a laser cutting instrument, and cutting is completed according to a program; because of the metal carrier, the chip can be prevented from being damaged by the laser cutting process.
The folding traces 21 are straight lines in two perpendicular directions; according to different area expansion ratios, only the opposite 3 layers of folded strips 31 arranged in parallel are contained in one folding direction, or the opposite 3 layers of folded strips 31 and the opposite 1 layer of unfolded strips 32 are contained; the folded strips 31 are interleaved with the non-folded strips 32.
The width of each layer of the 3-layer folded item 31 is identical, the width of all the folded items 31 is identical, and the width of all the unfolded items 32 is identical.
When the two directional expansion ratios are different, the embodiment of the ratio of the expansion of the folded strip 31 to the expansion of the non-folded strip 32 to the area is: according to different area expansion ratios, obtaining the expansion ratios of two directions as required, wherein the product of the expansion ratios of the two directions is the area expansion ratio which is 1: n; the expansion ratio of the direction one is 1: n is 1 (ii) a The expansion ratio in direction 2 is 1: n is 2 ；n＝n 1 *n 2 (ii) a The width of the direction-folded strip 31 is set to X 1 (ii) a The width of the unfolded strip 32 is set to Y 1 Then X 1 、Y 1 And n 1 The relationship of (1) is: n is 1 (X 1 +Y 1 )＝(3X 1 +Y 1 ) (ii) a The width of the direction two-fold strip 31 is set to X 2 (ii) a The width of the unfolded strip 32 is set to Y 2 Then X 2 、Y 2 And n 2 The relationship of (1) is: n is 2 (X 2 +Y 2 )＝(3X 2 +Y 2 )。
When the two directional expansion ratios are the same, the embodiment of the folded 31 and unfolded 32 and area expansion ratio is: according to different area expansion ratios, the expansion ratios in the two expansion directions are the same; in one folding direction, the width of the folded item 31 is set to X; the width of the non-folding strip 32 is set as Y, the area expansion ratio is 1: n, and n is less than or equal to 9; x, Y and n are then the relationship:
the specific lengths of the respective folded 31 and unfolded 32 strips are calculated based on the ratio of the width of the folded strip 31 to the width of the unfolded 32 strip, the total length and the total width of the final folded region 2, and the number of the folded strips 31.
The folding strips 31 for each folding direction are arranged in the following manner: 10-30 folded strips 31 are provided in each folding direction, and a corresponding number of unfolded strips 32 are provided. The length and width ranges of the folding area 2 are as follows: the whole length range of the folding area 2 is 3-6 cm; the width is 3-10 cm.
One specific embodiment of the folded cell 22 is: referring to fig. 2, when one direction is the folding strip 31 and the non-folding strip 32 are arranged alternately, the final two-direction folding forms a plurality of identical folding cells 22, and one folding cell 22 comprises one 9-layer cell 221 and one-layer cell 222 in the first diagonal direction; three layers of cells 223 in the second diagonal direction, the folded cells 22 are arranged in two directions in sequence.
Another specific embodiment of the folded cell 22 is: referring to fig. 3 and 4, when one only contains the folding strip 31, the final two-direction folding forms a plurality of identical folded cells 22, and the folded cells 22 only contain one 9-layer cell 221; the folded cells 22 are arranged in two directions in turn.
The area expansion ratio of the expansion slide can be set to be 1: 3; 1: 4; 1: 5; 1: 6; 1: 9.
One specific area expansion ratio implementation is: when the area expansion ratio is 1:4, the two-directional expansion ratio is the same, and the width of the folded piece 31 is the same as the width of the non-folded piece 32.
Another specific area expansion ratio implementation manner is as follows: when the area expansion ratio is 1:9, the two direction expansion ratios are the same and the width of the unfolded strip 32 is zero.
Specifically to reduce damage to the extension slide, the fold marks 21 between the fold zones 22 are the direction of the laser cut.
Four corners of the metal membrane or the nonmetal membrane are single-layer traction expansion operation areas 4; the expansion action in two directions is completed by pulling the expansion operation zone 4.
The traction expansion operation area 4 is also provided with a corresponding fixing structure which is used for effectively fixing the metal membrane to the placing structure of the laser cutting instrument, and the fixing structure is a weak adhesive layer 41;
the fixed structure is a magnetic layer with a positioning function, and the position of the magnetic absorption layer corresponds to the magnetic absorption structure on the placement structure of the laser cutting instrument.
Arrows and indication structures for indicating the sequence of the expansion directions are also indicated on the drawing and expanding operation area 4. The preferred marking structure is an arrow mark sticker with the words "first extension direction" and "second extension direction", respectively.
The metal or alloy membrane 1 can be applied in a thickness of: 0.02 mm; 0.03 mm; 0.05 mm.
When the laser is not used, the metal membrane or the alloy membrane 1 comprises the following materials: aluminum foil, aluminum foil paper, tin foil, aluminum alloy (alloy elements including copper, magnesium, zinc, iron, tin, manganese and/or silver and the like constitute binary alloy or multi-element alloy); preferred materials include pure aluminum, pure magnesium, zinc alloys, magnesium alloys, copper, titanium nickel alloys, and the like.
When the laser is used, the metal membrane or the alloy membrane 1 comprises the following materials: aluminum foil, aluminum foil paper, tin foil, titanium-nickel alloy, pure silver, or binary alloy or multi-element alloy formed by elements such as aluminum, tin, copper, magnesium, zinc, iron, titanium, silver and the like; the preferred alloy membrane can also comprise aluminum foil, aluminum foil paper, tin foil, aluminum alloy, zinc alloy, magnesium alloy, titanium-nickel alloy and the like.
The shape of the unfolded state of the metal membrane or the alloy membrane 1 can be set to be a square or a rectangle, the unfolded state of the metal membrane or the alloy membrane 1 is set to be different in size according to different expansion ratios, and the side length of the folded metal membrane or the folded alloy membrane 1 is not more than 10 cm.
Example 2
A preparation instrument for preparing an extension slide glass folded in two vertical directions; as shown with reference to fig. 5 and 6; comprising a female die 5 provided with a plurality of grooves 51, at least one groove 51 side of the grooves 51 being equal to the width of the folded strip 31, a male die 6 provided with a male formation 61 having a shape and size corresponding to the shape and size of the grooves 51; providing at least two raised dies 6; when only 3 layers of folded strips 31 are arranged in parallel in one folding direction, the sum of the lengths of two sides of the groove 51 and the spacing distance between two adjacent grooves 51 is equal to the expanded length of a single folded strip 31; or when in a folding direction, the folding strip 31 comprises 3 layers and the non-folding strip 32 comprises 1 layer, the sum of the lengths of two sides of the groove 51 and the spacing distance between two adjacent grooves 51 is equal to the sum of the extension distance of a single folding strip 31 and the distance of the non-folding strip 32; the spacing distance between two adjacent grooves 51 can be zero, and the number of the grooves 51 is not less than 6, preferably not less than 14.
After the metal film or the alloy film 1 is temporarily fixed on one side and arranged on the female die 5, the protruding structure 61 of the first protruding die 6 extends into the groove 51 to form a folding area 2, and the position is fixed after the folding area 2 is formed, wherein the first operation mode after the fixing is as follows: arranging and fixing the second convex die 6 in the next adjacent groove 51, then moving the first convex die 6 forward to the next groove 51 in front of the second convex die 6, and repeating the steps until the process is finished; another operation mode is that after the two protruding dies 6 are set, both of them move forward one by one, the first protruding die 6 is arranged in the corresponding pressed groove 51 of the second protruding die 6, then the second protruding die 6 is pressed forward into the next groove 51 to be pressed, and the moving is finished in sequence.
In addition, an automatic implementation mode is set, specifically: the arrangement increases the embodiment of placing the embossing die 6 on an automated moving frame, moving one groove 51 distance at a time, and moving the second embossing die 6 down again each time after the first embossing die 6 has moved down. Or the corresponding number of the convex dies 6 are arranged, and the film pressing action is finished at one time by moving downwards at one time and then transversely moving into the groove 51 according to the direction of the groove 51.
The specific region setting mode is as follows: as shown with reference to fig. 6, 7, 8; the female die 5 comprises a groove 51 region and a non-groove 51 region, the width distance of the non-groove 51 region is not more than 3cm, or scales are arranged on the width edge of the non-groove 51 region, so that the length of the non-folding region 2 can be measured conveniently, and the size of the final drawing and expanding operation region 4 can be ensured.
In order to know the advance condition of the groove 51 conveniently, referring to fig. 6, a groove 51 sequencing number mark 53 is correspondingly arranged below the groove 51 of the female die 5; by setting the numbers, the operation can be better performed according to the numerical sequence.
The length of the groove 51 is not less than the distance of the largest edge of the metal membrane or the alloy membrane 1, wherein the groove 51 preferably penetrates through the whole concave die 5, and the operation is convenient.
The specific embodiment of the protruding die 6 is: as shown with reference to FIG. 9; the convex die 6 comprises a convex structure 61, a holding structure 62 above the convex structure 61, wherein the holding structure 62 is a cylindrical structure extending upwards or obliquely upwards from the plane above the convex structure 61; this arrangement facilitates the application of the two raised dies 6.
According to different expansion ratios, female dies 5 and male dies 6 of different models are arranged.
When the expansion ratios in the two directions are the same, after one direction is folded, referring to fig. 5, the other direction is folded; and (3) placing the metal film or the alloy film 1 with one folding direction on the female die 5 by rotating 90 degrees, and repeating the folding operation in the second direction.
In another mode, when the expansion ratios in the two directions are different, a proper female die 5 and a proper male die 6 are selected, the first female die 5 and the first male die 6 are used for finishing folding in the first direction, the metal membrane or the alloy membrane 1 with one folding direction is arranged on the second female die 5 after rotating by 90 degrees, the second female die 5 and the second male die 6 are used for finishing folding in the second direction, and finally the folding operation in the two directions is finished.
A special pressing and fixing structure 7 for fixing the metal membrane or the alloy membrane 1 on the female die 5 is arranged, and the pressing and fixing structure 7 is a structure with a large mass and a plane bottom. The specific embodiment of the pressing and fixing structure 7 is as follows: the bottom of the pressing and fixing structure 7 further comprises a protruding structure 61 pressed into the first groove 51, and the arrangement can effectively realize the position fixing of the pressing and fixing structure 7. The rear end of the pressing fixing structure 7 is attached to the front end of the protruding die 6, and the second groove 51 can be conveniently and better operated.
When the two directional expansion ratios are different, the embodiment of the expansion ratio of the folded strip 31 to the non-folded strip 32 to the area is: according to different area expansion ratios, obtaining the expansion ratios of two directions as required, wherein the product of the expansion ratios of the two directions is the area expansion ratio which is 1: n; the expansion ratio of the direction one is 1: n is 1 (ii) a The expansion ratio in direction 2 is 1: n is 2 ；n＝n 1 *n 2 (ii) a The width of the direction-folded strip 31 is set to X 1 (ii) a The width of the unfolded strip 32 is set to Y 1 Then X 1 、Y 1 And n 1 The relationship of (c) is: n is 1 (X 1 +Y 1 )＝(3X 1 +Y 1 ) (ii) a The width of the direction two folded strip 31 is set to X 2 (ii) a The width of the unfolded strip 32 is set to Y 2 Then X 2 、Y 2 And n 2 The relationship of (1) is: n is 2 (X 2 +Y 2 )＝(3X 2 +Y 2 )。
When the two directional expansion ratios are the same, the embodiment of the folded 31 and unfolded 32 and area expansion ratio is: according to different area expansion ratios, the expansion ratios in the two expansion directions are the same; in one folding direction, the width of the folded item 31 is set to X; the width of the non-folding strip 32 is set as Y, the area expansion ratio is 1: n, and n is less than or equal to 9; x, Y and n are then the relationship:
the following are embodiments in which the two directional expansion ratios are the same: shown with reference to fig. 10-11; the two sides of the notch of the groove 51 are arranged in the following way, the first one is: both edges of the groove 51 are the same width as the folded strip 31; the spacing distance between two adjacent grooves 51 is equal to the sum of the width distance of one folded strip 31 and the width distance of one unfolded strip 32; when the die is used, after the film pressing action is finished, the pressed metal film or alloy film 1 is taken out of the female die 5, the metal film and alloy film sides in the two grooves 51 are attached tightly, and the metal film or alloy film sides are attached tightly to the spaced metal film or alloy film 1 in one direction.
In order to increase the convenience of folding, an operation structure is provided for clamping and bending two edges in the groove of the metal diaphragm or the alloy diaphragm 1, which is shown in reference to fig. 13; the operation structure is an operation forceps 8 or an operation forceps, and the operation length of the operation forceps 8 is not less than the length of the longest edge 511 of the metal membrane or the alloy membrane 1. The operation forceps 8 comprises two holding arms 81 with the front ends arranged in parallel, and the length of the holding arms 81 is not less than the length of the longest edge 511 of the metal membrane sheet or the alloy membrane sheet 1.
The arrangement of the two sides of the notch of the groove 51, the second one, is shown with reference to fig. 6-8; the spacing distance between two adjacent grooves 51 is zero, no spacing is arranged between two adjacent grooves 51, and each groove 51 comprises a short side 512 and a long side 511; the length of the short side 512 is equal to the width of the folded item 31 and the length of the other side is equal to the sum of the widths of the two folded items 31 and the width of one unfolded item 32; the whole of the groove 51 is inclined in the direction of the short side 512. I.e. the length of the short side 512 is X; the length of the long side 511 is (2X + Y).
The included angle between the short edge 512 and the platform of the female die 5 is less than 60 degrees and can also be less than 30 degrees, and the arrangement is convenient for the folding operation after pressing.
The implementation mode of the structure which is pressed flatly after being folded is set: this approach is suitable for manual preparation, as shown with reference to fig. 12; and arranging a flattening tool for realizing folding and flattening at last. The flattening tool is two flattening plates with the same size, when the device is used, the metal diaphragm or the alloy diaphragm 1 processed in one direction of the female die 5 and the protruding die 6 is inverted on one flattening plate, the extending parts needing to be folded are flattened one by one in the inclined direction, after the flattening treatment, the pressing film treatment is carried out in the second direction after the flattening treatment, the pressing plate is placed on the flattening plate to be flattened, and the preparation of the extension slide glass is completed after the flattening. The flattening plate comprises a bottom flattening plate 91 and an upper flattening plate 92, a handheld structure 93 is arranged on the upper flattening plate 92, the upper flattening plate 92 can be conveniently held by hands to be inclined and pressed downwards along the direction needing to be inclined, and the accurate folding flattening effect is achieved.
Example 3
A method for preparing a single-layer extended slide glass by using the preparation instrument,
firstly, arranging an untreated metal membrane or alloy membrane 1 on a female die 5;
secondly, a pressing and fixing structure 7 with a plane at the bottom is placed above the metal membrane or the alloy membrane 1 and is pressed and fixed;
thirdly, arranging the first protruding die 6 into the first groove 51, and then arranging the second protruding die 6 into the second groove 51 to complete the film pressing action at the first two grooves 51;
fourthly, finishing the film pressing action at the subsequent groove 51 by alternately advancing the first protruding die 6 and the second protruding die 6; or the film pressing action at the subsequent groove 51 is realized by simultaneously advancing the first and second protruding dies 6 and 6; the first male die 6 falls first and the second male die 6 falls later, each time moving forward by one recess 51.
And fifthly, after film pressing operation in one direction is completed, rotating for 90 degrees, then arranging the processed metal film or alloy film 1 on the female die 5, and repeating the operation steps 1-4 to complete the preparation of the extended slide.
The forward movement of the first and second bulging dies 6, 6 can also be realized by an automated step through an automated frame body; the film pressing action at the subsequent groove 51 is realized by simultaneously advancing the first protruding die 6 and the second protruding die 6; the first male die 6 falls first and the second male die 6 falls later, each time moving forward by one recess 51. Or the corresponding number of the protruding dies 6 for pressing the film at one time are arranged, and the film is moved downwards at one time and then transversely moved into the groove 51 according to the direction of the groove 51, so that the film pressing action is finished at one time.
The above description of the embodiments is only intended for the understanding of the present invention. It should be noted that modifications can be made to the invention without departing from the principle of the invention, which will fall within the scope of the appended claims.
Claims (34)
1. A single-layer leather sheet expanding slide comprises a single-layer metal film or alloy film; the metal membrane or the alloy membrane comprises an expandable folding area; the folding method is characterized in that a folding area comprises folding traces, the folding traces are formed by straight lines in two vertical directions, and the folding traces divide the folding area into folding cells; two layers of clinging folding layers which have the same bending direction and are clinging to the upper layer of the corresponding folding cell are arranged below the folding trace; the upper layer of the folding cell and the close-contact folding layer form a 3-layer folding cell in one folding direction.
2. The single layer skin extension slide of claim 1, wherein the fold is a straight line in two perpendicular directions; according to different area expansion ratios, in one folding direction, the folded strip comprises only 3 opposite layers of folds arranged in parallel, or comprises 3 opposite layers of folded strips and 1 opposite layers of unfolded strips; the folded strips and the unfolded strips are arranged in a staggered mode, the width of each layer of the 3 layers of the folded strips is completely equal, the width of all the folded strips is completely equal, and the width of all the unfolded strips is also completely equal.
3. The flap expansion slide of claim 2, wherein the expansion ratios in two directions are obtained as needed according to different area expansion ratios, the product of the expansion ratios in two directions is the area expansion ratio, and the area expansion ratio is 1: n; the expansion ratio of the direction one is 1: n is 1 (ii) a The expansion ratio in direction 2 is 1: n is 2 ；n＝n 1 *n 2 (ii) a The width of the direction-folding strip is set as X 1 (ii) a The width of the unfolded strip is set as Y 1 Then X 1 、Y 1 And n 1 The relationship of (1) is: n is 1 (X 1 +Y 1 )＝(3X 1 +Y 1 ) (ii) a The width of the two-direction folding strip is set as X 2 (ii) a The width of the non-folding strip is set as Y 2 Then X 2 、Y 2 And n 2 The relationship of (c) is: n is 2 (X 2 +Y 2 )＝(3X 2 +Y 2 )。
4. The single-layer-arranged flap expansion slide as claimed in claim 1, wherein the expansion ratios in the two expansion directions are the same according to different area expansion ratios; in one folding direction, the width of the folding strip is set to be X; the width of the non-folding strip is set as Y, the area expansion ratio is 1: n, and n is less than or equal to 9; x, Y and n are then the relationship:
5. the flap extension slide as in any of claims 3 or 4 wherein the length of each individual folded and unfolded flap is calculated based on the ratio of the width of the folded flap to the width of the unfolded flap, the total length and total width of the resulting folded area, and the number of flaps.
6. The flap extension slide as in any of claims 3 or 4 wherein the length of each individual folded and unfolded flap is calculated based on the ratio of the width of the folded flap to the width of the unfolded flap, the total length and total width of the resulting folded area, and the number of flaps.
7. The flap extension slide as claimed in any one of claims 3 or 4, wherein when one direction is the folding and non-folding strips are staggered, the final two-direction folding forms a plurality of identical folding cells, one folding cell comprises a 9-layer cell and a one-layer cell in the first diagonal direction; three layers of cells in the second diagonal direction, and folding cells are arranged in two directions in sequence; or when one cell only comprises a folding strip, finally folding in two directions to form a plurality of identical folding cells, wherein the folding cells only comprise a 9-layer cell; the folding cells are arranged in two directions in sequence.
8. The flap extension slide of any one of claims 3 or 4 wherein the width of the folded strips is the same as the width of the non-folded strips when the area extension ratio is 1: 4; alternatively, the unfolded strip width is zero when the area expansion ratio is 1: 9.
9. The single-layer leather sheet expanding slide glass according to claim 1, wherein the four corners of the metal film or the non-metal film are single-layer drawing and expanding operation areas.
10. The single-layer skin extension slide as recited in claim 9, wherein the traction extension operation area is further provided with corresponding fixing structures effective to fix the metal membrane to the placement structure of the laser cutting instrument, the fixing structures being weak adhesive layers; or the fixed structure is a magnetic layer with a positioning function, and the position of the magnetic absorption layer corresponds to the magnetic absorption structure on the placement structure of the laser cutting instrument.
11. The single-layer flap expansion slide as recited in claim 9, wherein an arrow indicating the sequence of expansion directions and an indicating structure are further indicated on the pulling and expanding operation area.
12. The single-ply skin extension slide of claim 11, wherein the indicia structure is an arrow-shaped indicia patch having the words "first extension direction" and "second extension direction", respectively.
13. The single layer leather extension slide of claim 12, wherein a folded starting index line is provided in both directions of the metal or alloy film sheet.
14. The single layer skin extension slide of any one of claims 1-4 or 9-13, wherein the metal or alloy membrane has a thickness in the range of 0.02-0.15 mm.
15. The flap extension slide as in any of claims 1-4 or 9-13 wherein 10-30 folded strips are provided per folding direction and a corresponding number of unfolded strips are provided.
16. The single layer skin extension slide of claim 15, wherein the overall length of the fold region is in the range of 3-6 cm; the width is 3-10 cm.
17. The flap extension slide of any one of claims 1-4 or 9-13 wherein the metal or alloy membrane material when not used under laser comprises: aluminum foil, aluminum foil paper, tin foil and aluminum alloy, wherein alloy elements comprise copper, magnesium, zinc, iron, tin, manganese and/or silver and the like to form binary alloy or multi-element alloy; or when the film is used under laser, the metal film or the alloy film comprises the following materials: aluminum foil, aluminum foil paper, tin foil, titanium-nickel alloy, pure silver or binary alloy or multi-element alloy composed of elements such as aluminum, tin, copper, magnesium, zinc, iron, titanium, silver and the like.
18. A manufacturing apparatus for manufacturing an extension slide folded in two orthogonal directions according to any one of claims 3 to 4 or 9 to 13; the folding die is characterized by comprising a female die with a plurality of grooves, wherein at least one groove edge of each groove is equal to the width of a folding strip; arranging at least two protruding dies; when only 3 layers of folded folding strips are arranged in parallel in one folding direction, the sum of the lengths of the two sides of the groove and the spacing distance between two adjacent grooves is equal to the length of the single folded strip after expansion; or when in a folding direction, the folding strip comprises 3 layers of folding strips and 1 layer of non-folding strips, the sum of the lengths of two sides of the groove and the spacing distance between two adjacent grooves is equal to the sum of the expansion distance of a single folding strip and the distance of the non-folding strip; the spacing distance between two adjacent grooves can be zero.
19. The apparatus according to claim 18, wherein the folding region is formed by inserting the protruding structure of the first protruding mold into the groove after the metal film or alloy film is temporarily fixed to the female mold, the position is fixed after the folding region is formed by fixing the protruding structure of the first protruding mold, the second protruding mold is fixed to the next adjacent groove, the first protruding mold is moved forward to the next groove before the second protruding mold, and the process is repeated until the end, or when the two protruding molds are set, the two protruding molds are moved forward one by one, the first protruding mold is arranged in the pressed groove corresponding to the second protruding mold, the second protruding mold is pressed forward to the next groove to be pressed, and the processes are sequentially moved until the end.
20. The preparation instrument of claim 19, wherein the advancing motion of the first and second ejection dies is achieved by an automated rack; the film pressing action at the subsequent groove is realized by simultaneously advancing the first protruding die and the second protruding die; the first protruding die falls off first, the second protruding die falls off later, and the first protruding die and the second protruding die move forward one groove position each time; or the corresponding number of the protruding dies for pressing the film at one time are arranged, and the film is transversely moved into the groove according to the direction of the groove after one-time downward movement, so that the film pressing action is finished at one time.
21. The apparatus of claim 19, wherein the cavity mold includes a recessed area having a width dimension that is no greater than 3cm or a scale is provided on a width edge of the recessed area.
22. The apparatus according to claim 21, wherein a groove-sorting number is provided under the groove of the female mold.
23. The preparation instrument of claim 19, wherein the male mold comprises a male structure, and the gripping structure is above the male structure and the gripping structure is a cylindrical structure extending upward or obliquely upward from a plane above the male structure.
24. The preparation instrument according to claim 23, wherein a special compression fixing structure for fixing the metal membrane or the alloy membrane to the female die is provided, and the compression fixing structure is a structure with a large mass bottom including a plane.
25. The preparation instrument according to claim 19, wherein the expansion ratio in both directions is the same, and after one-direction folding is completed, the metal film or the alloy film with one folding direction is placed on the female die by rotating 90 degrees, and the second-direction folding operation is repeated.
26. The preparative instrument according to claim 19 wherein the expansion ratio is the same for both expansion directions according to different area expansion ratios; in one folding direction, the width of the folding strip is set to be X; the width of the non-folding strip is set as Y, the area expansion ratio is 1: n, and n is less than or equal to 9; x, Y and n are then the relationship:
27. the production apparatus according to claim 26, wherein different types of the female and male molds are provided according to different expansion ratios; the width of both edges of the groove is the same as that of the folding strip; the spacing distance between two adjacent grooves is equal to the sum of the width distance of a folded strip and the width distance of a non-folded strip; or the spacing distance between two adjacent grooves is zero, no space is arranged between two adjacent grooves, and each groove comprises a short side and a long side; the length of the short edge is equal to the width of the folded strip, and the length of the other edge is equal to the sum of the widths of the two folded strips and the width of one unfolded strip; the whole groove inclines towards the direction of the short side.
28. The preparation instrument according to claim 27, wherein an operating structure is provided to specifically grip both sides of the groove of the bent metal or alloy membrane when both sides of the groove are the same as the width of the folded strip.
29. The preparation instrument of claim 28, wherein the manipulation structure is a manipulation forceps or a manipulation forceps.
30. The preparation instrument of claim 29, wherein the operative length of the forceps is no less than the length of the longest side of the metal or alloy membrane.
31. The preparation instrument of claim 19, wherein a flattening tool is provided to effect folding flattening last.
32. The preparation instrument of claim 31, wherein the flattening tool is two equal-sized flattening plates.
33. The preparation instrument of claim 32, wherein the platen includes a bottom platen and an upper platen, and the upper platen has a handle structure disposed thereon.
34. A method of preparing an extended slide, the extended slide folded in two perpendicular directions according to any one of claims 3 to 4 or 9 to 13, prepared using the preparation apparatus according to any one of claims 18 to 33; the method is characterized in that: firstly, arranging an untreated metal membrane or an untreated alloy membrane on the female die;
secondly, placing a pressing and fixing structure with a plane at the bottom above the metal membrane or the alloy membrane, and pressing and fixing;
thirdly, arranging the first protruding die into the first groove, and then arranging the second protruding die into the second groove to finish the film pressing action of the first two grooves;
fourthly, finishing the film pressing action at the subsequent groove by the mode that the first protruding die and the second protruding die alternately move forwards; or the film pressing action at the subsequent groove is realized by simultaneously advancing the first protruding die and the second protruding die; the first protruding die falls off first, the second protruding die falls off later, and the first protruding die and the second protruding die move forward one groove position each time;
and fifthly, after film pressing operation in one direction is completed, rotating for 90 degrees, then arranging the processed metal film or alloy film on the female die, and repeating the operation steps of 1-4 to complete the preparation of the extended slide.
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| CN202210045660.6A CN114376682B (en) | 2022-01-16 | 2022-01-16 | Single-layer leather sheet expanding slide glass and preparation instrument thereof |
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| CN202210045660.6A CN114376682B (en) | 2022-01-16 | 2022-01-16 | Single-layer leather sheet expanding slide glass and preparation instrument thereof |
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| CN114376682B true CN114376682B (en) | 2022-09-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3472228A (en) * | 1965-03-15 | 1969-10-14 | Tanner James C Jun | Apparatus for preparing skin grafts |
| CN2296181Y (en) * | 1997-04-15 | 1998-11-04 | 李建国 | Folding skin graft expanding film |
| US5984936A (en) * | 1998-04-17 | 1999-11-16 | Mangubat; E. Antonio | Impulsive cutter and process for hair graft preparation |
| US11278309B2 (en) * | 2010-12-17 | 2022-03-22 | Srgi Holdings, Llc | Pixel array medical systems, devices and methods |
| CN203074822U (en) * | 2013-01-16 | 2013-07-24 | 广东朝刚生物科技有限公司 | Miniature skin tissue cutter and auxiliary device thereof |
| CN105828731A (en) * | 2013-10-02 | 2016-08-03 | Srgi控股有限责任公司 | Pixel array medical devices and methods |
| CN207445010U (en) * | 2017-04-24 | 2018-06-05 | 中国人民解放军总医院第一附属医院 | A kind of MEEK skin-grafting crape piece |
| CN109893218A (en) * | 2017-12-11 | 2019-06-18 | 中国人民解放军第二军医大学 | Skin-grafting skin graft expanding unit |
| TR201820459A2 (en) * | 2018-12-25 | 2020-07-21 | Istanbul Medipol Ueniversitesi | FASYA LATA GRAFT COLLECTION APPARATUS |
| CN110876635A (en) * | 2019-12-20 | 2020-03-13 | 武汉维斯第医用科技股份有限公司 | Skin grafting tool and method for manufacturing composite skin sheet |
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