CN113652506A - Intelligent leather equidistance cutting equipment for leather products - Google Patents
Intelligent leather equidistance cutting equipment for leather products Download PDFInfo
- Publication number
- CN113652506A CN113652506A CN202110934421.1A CN202110934421A CN113652506A CN 113652506 A CN113652506 A CN 113652506A CN 202110934421 A CN202110934421 A CN 202110934421A CN 113652506 A CN113652506 A CN 113652506A
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- leather
- threaded rod
- pressing
- box body
- fixedly installed
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B5/00—Clicking, perforating, or cutting leather
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
- C14B17/06—Work feeding or clamping devices
- C14B17/08—Fastening devices, e.g. clips for leather-stretching
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses intelligent leather equidistant cutting equipment for leather products, and relates to the field of leather production and processing. The automatic cutting machine comprises a platform, wherein a first upright post and a second upright post are fixedly installed on two sides of the top of the platform respectively, a fixed frame is fixedly installed between the first upright post and the second upright post, a starting assembly is arranged on one side of the fixed frame, the fixed frame is of a box body structure with an unsealed bottom surface, a first threaded rod is rotatably connected to the inner side wall of the fixed frame, a first fixed sleeve is fixedly installed in the center of the first threaded rod, first movable sleeves are fixedly installed on two sides of the first threaded rod, and pressing cutting pieces are fixedly installed at the bottoms of the first fixed sleeve and the first movable sleeve. When the cutting blade cuts leather, the pressing wheel can support and limit the two sides of the leather, so that the deformation degree of the leather caused by the first wheel carrier when the leather is cut is reduced, the probability of tearing the leather is reduced, and the cut leather is more attractive and smooth.
Description
Technical Field
The invention belongs to the technical field of leather production and processing, and particularly relates to intelligent leather equidistant cutting equipment for leather products.
Background
The leather is obtained by physical and chemical processing such as unhairing, tanning and the like, is formed by tightly weaving natural protein fibers in a three-dimensional space, has a special grain layer on the surface, has natural grains and luster, and is comfortable in hand feeling.
When real cow hide leather is handled in earlier stage, need tailor the cutting to the leather, some cutting equipment adopt the cutter fixed, and the driven mode of leather is cut, for preventing that the cutter from causing the damage to the mesa, the leather is in unsettled state usually, and the cutter can make leather extrusion deformation to the leather cutting simultaneously, leads to the torn condition of leather to appear easily, unsatisfied user demand.
In order to solve the problems, the invention provides an intelligent leather equidistant cutting device for leather products.
Disclosure of Invention
The invention aims to provide intelligent leather equidistant cutting equipment for leather products, which solves the problems that the existing leather cutting equipment adopts a cutter to fix and adopts a leather transmission mode to cut, so that the leather is usually in a suspended state in order to prevent the cutter from damaging a table board, and the cutter can extrude and deform the leather while cutting the leather, so that the leather is easily torn.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an intelligent leather equidistant cutting device for leather products, which comprises a platform, wherein a first upright post and a second upright post are respectively and fixedly arranged on two sides of the top of the platform, a fixed frame is fixedly arranged between the first upright post and the second upright post, a starting assembly is arranged on one side of the fixed frame, the fixed frame is of a box body structure with an unsealed bottom surface, a first threaded rod is rotatably connected to the inner side wall of the fixed frame, reverse threads are formed on the peripheral sides of the two sides of the first threaded rod, a first fixed sleeve is fixedly arranged at the center of the first threaded rod, two sides of the first threaded rod are both in threaded connection with first movable sleeves, pressing cutting pieces are fixedly arranged at the bottoms of the first fixed sleeve and the first movable sleeve, and the first movable sleeves on the two sides of the first threaded rod can be driven to mutually approach or move away by rotating the first threaded rod, thus, the distance between the pressing cutting pieces is adjusted equidistantly, and the size of the cut leather is changed.
Press down the cutting piece and include first box body, second box body and two and press the subassembly, first box body fixed mounting has first movable sleeve's bottom, first guide post has been cup jointed in the bottom activity of first box body, first guide post is located the activity of the inside week side of first box body and has been cup jointed first spring, second box body fixed mounting is in the bottom of first guide post, the bottom center department fixed mounting of second box body has cutting blade, two press the subassembly fixed mounting respectively in the bottom both sides of second box body, during initial condition, cutting blade is in unsettled state, can pass the leather from the cutting blade bottom, conveniently installs the transmission running roller of waiting to cut leather and outside.
The start assembly includes fixed diaphragm and third threaded rod, the both ends of fixed diaphragm respectively with first stand and second stand fixed connection, the bottom sliding connection of fixed diaphragm presses the clamp plate, the third threaded rod rotates to be connected in the top center department of pressing the clamp plate, just third threaded rod and fixed diaphragm threaded connection, the equal fixed mounting in top both sides of pressing the clamp plate has the third guide post, the third guide post cup joints with fixed diaphragm activity, one side fixed mounting of second box body has presses the briquetting, press the upper surface of briquetting and paste mutually with the clamp plate, start the assembly through rotating and can adjust the height of pressing the clamp plate, press the clamp plate to pressing the briquetting, can make second box body downstream, carry out the transmission through outside roller pair leather, the cutting blade that is located second box body bottom can cut the leather.
The press assembly comprises a first wheel carrier and a second guide post, the quantity of the first guide post is established to two and the activity cup joints the bottom at the second box body, first wheel carrier fixed mounting is in the bottom of second guide post, the second spring has been cup jointed to the side activity all around of second guide post, bottom one side of first wheel carrier is rotated and is connected with according to the pinch roller, first wheel carrier is "L" shaped plate body structure, establish to one side that a plurality of and fixed rotation are connected near cutting blade bottom first wheel carrier according to the quantity of pinch roller, press close to nevertheless contactless mutually with the cutting blade according to the pinch roller, can support and spacing the both sides of leather according to the pinch roller when cutting blade cuts the leather, cause the deformation degree of leather when reducing first wheel carrier cutting leather greatly, also reduced the probability that the leather was torn simultaneously.
The bar recess has been seted up to the inner diapire of platform, the cavity has been seted up to the inside of platform, be provided with the bar hole between bar recess and the cavity, the cavity lateral wall rotates and is connected with the second threaded rod, the fixed mounting of center department of second threaded rod has the second fixed sleeve, the equal threaded connection in both sides of second threaded rod has the second movable sleeve, the equal fixed mounting in top of second fixed sleeve and second movable sleeve has the second wheel carrier, the second threaded rod is the same with the specification of first threaded rod, the second wheel carrier is the same with the specification of first wheel carrier, and when first wheel carrier was pressed the leather, the transmission of leather can be supported to the leather according to the pinch roller on one side of the second wheel carrier, the leather of being convenient for simultaneously.
Furthermore, the first threaded rod and the second threaded rod extend into the inner peripheral side of the second upright column, the first gears are fixedly installed on the inner peripheral side of the second upright column, the second gear is arranged between the two first gears and is rotatably connected with the inner side wall of the second upright column, the driving gear is fixedly connected with the side surface of the second gear, the air cylinder is fixedly installed on the inner bottom wall of the second upright column, the rack is fixedly installed at the top output end of the air cylinder and is meshed with the driving gear, the guide sleeve is fixedly installed on the inner side wall of the second upright column, the rack is movably sleeved inside the guide sleeve, the expansion of the air cylinder can drive the two first gears to rotate through the rack, the driving gear and the second gear, so that the first threaded rod and the second threaded rod can rotate simultaneously, and finally the pressing wheel on one side of the first wheel carrier and the pressing wheel on one side of the second wheel carrier can be synchronized, the precise adjustment of the distance between the press cutting members changes the size of the cut leather and the effect of preventing the tearing of the leather is not affected.
The invention has the following beneficial effects:
1. the leather cutting device is provided with the pressing wheel, and the pressing wheel can support and limit two sides of the leather when the leather is cut by the cutting blade, so that the deformation degree of the leather caused by the first wheel carrier when the leather is cut is reduced, the probability of tearing the leather is further reduced, and the cut leather is more attractive and smooth.
2. The leather cutting device is provided with the starting assembly, and when the leather cutting device is in an initial state, the cutting blade is in a suspended state, so that leather can penetrate through the bottom of the cutting blade, and the leather to be cut and an external transmission roller wheel can be conveniently installed.
3. The leather cutting machine is provided with the first gear and the second gear, the first threaded rod and the second threaded rod can rotate simultaneously by using the air cylinder, and finally the pressing wheel on one side of the first wheel frame and the pressing wheel on one side of the second wheel frame can be synchronized, so that the leather cutting machine can accurately adjust the distance between the pressing and cutting pieces to change the size of the cut leather and prevent the tearing effect of the leather from being influenced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a schematic view of the pressing cutter and the second wheel frame of the present invention;
FIG. 4 is a schematic view of the internal structure of a second column according to the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 3 according to the present invention;
fig. 6 is a schematic view of the internal structure of the first container and the second container according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below: 1. a platform; 101. a strip-shaped groove; 102. A strip-shaped hole; 11. a first upright post; 12. a second upright post; 2. a fixed mount; 21. a first threaded rod; 211. a first fixed sleeve; 212. a first movable sleeve; 3. pressing the cutting member; 31. a first case; 32. a second box body; 321. a cutting blade; 322. a first guide post; 3221. a first spring; 323. a pressing block; 33. a pressing assembly; 331. a first wheel carrier; 3311. pressing the wheel; 332. a second guide post; 3321. a second spring; 4. a second threaded rod; 41. a second fixed sleeve; 42. a second movable sleeve; 5. a second wheel carrier; 6. a first gear; 7. a second gear; 71. a drive gear; 72. A cylinder; 73. a rack; 8. starting the component; 81. fixing the transverse plate; 811. a third guide post; 82. A third threaded rod; 821. and pressing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, the present invention is an intelligent leather equidistant cutting device for leather products, comprising a platform 1, wherein a first upright post 11 and a second upright post 12 are respectively fixedly installed on two sides of the top of the platform 1, a fixed mount 2 is fixedly installed between the first upright post 11 and the second upright post 12, a starting assembly 8 is arranged on one side of the fixed mount 2, the fixed mount 2 is of a box structure with an unsealed bottom surface, a first threaded rod 21 is rotatably connected to the inner side wall of the fixed mount 2, reverse threads are formed on the peripheral sides of the two sides of the first threaded rod 21, a first fixed sleeve 211 is fixedly installed at the center of the first threaded rod 21, first movable sleeves 212 are respectively connected to the two sides of the first threaded rod 21 by threads, pressing and cutting members 3 are respectively fixedly installed at the bottoms of the first fixed sleeve 211 and the first movable sleeve 212, and the first threaded rod 21 can be rotated to drive the first movable sleeves 212 on the two sides of the first threaded rod 21 to approach or move away from each other, so that the distance between the pressing cutters 3 is adjusted equidistantly to change the size of the cut leather.
The pressing and cutting part 3 comprises a first box body 31, a second box body 32 and two pressing components 33, the first box body 31 is fixedly installed at the bottom of a first movable sleeve 212, a first guide column 322 is movably sleeved at the bottom of the first box body 31, a first spring 3221 is movably sleeved at the inner peripheral side face of the first box body 31 on the first guide column 322, a cutting blade 321 is fixedly installed at the center of the bottom of the second box body 32, the two pressing components 33 are respectively and fixedly installed at two sides of the bottom of the second box body 32 on the first guide column, the cutting blade 321 is in a suspended state in the initial state, leather can pass through the bottom of the cutting blade 321, and the leather to be cut and a driving roller outside are conveniently installed.
The starting assembly 8 comprises a fixed transverse plate 81 and a third threaded rod 82, two ends of the fixed transverse plate 81 are respectively and fixedly connected with the first upright post 11 and the second upright post 12, the bottom of the fixed transverse plate 81 is connected with a pressing plate 821 in a sliding manner, the third threaded rod 82 is rotatably connected at the center of the top of the pressing plate 821, and the third threaded rod 82 is connected with the fixed transverse plate 81 by screw thread, the two sides of the top of the pressing plate 821 are both fixedly provided with a third guide post 811, the third guide post 811 is movably sleeved with the fixed transverse plate 81, one side of the second box body 32 is fixedly provided with a pressing block 323, the upper surface of the pressing block 323 is attached to the pressing plate 821, the height of the pressing plate 821 can be adjusted by rotating the starting assembly 8, the pressing plate 821 presses the pressing block 323, the second container 32 is moved downwards to drive the leather by means of external rollers, and the cutting blades 321, located at the bottom of the second container 32, cut the leather.
The pressing component 33 includes a first wheel frame 331 and a second guiding post 332, the number of the first guiding posts 322 is two, and the first wheel frame 331 is fixedly installed at the bottom of the second guiding post 332, the second spring 3321 is movably sleeved on the peripheral side of the second guiding post 332, one side of the bottom of the first wheel frame 331 is rotatably connected with a pressing wheel 3311, the first wheel frame 331 is in an "L" shaped plate structure, the number of the pressing wheels 3311 is several, and the pressing wheels 3311 are fixedly rotatably connected at one side of the bottom of the first wheel frame 331 close to the cutting blade 321, the pressing wheels 3311 are close to but not in contact with the cutting blade 321, when the cutting blade 321 cuts the leather, the pressing wheels 3311 can support and limit the two sides of the leather, the deformation degree of the leather when the first wheel frame 331 cuts the leather is greatly reduced, and the probability of tearing of the leather is also reduced.
Further, the first threaded rod 21 and the second threaded rod 4 are fixedly installed on the inner peripheral side of the second upright post 12, the first gears 6 are installed between the two first gears 6, the second gear 7 is rotatably connected with the inner side wall of the second upright post 12, the driving gear 71 is fixedly connected with the side surface of the second gear 7, the air cylinder 72 is fixedly installed on the inner bottom wall of the second upright post 12, the rack 73 is fixedly installed at the output end of the top of the air cylinder 72, the rack 73 is meshed with the driving gear 71, the guide sleeve is fixedly installed on the inner side wall of the second upright post 12, the rack 73 is movably sleeved inside the guide sleeve, the air cylinder 72 can stretch and retract to drive the two first gears 6 to rotate through the rack 73, the driving gear 71 and the second gear 7, so that the first threaded rod 21 and the second threaded rod 4 can rotate simultaneously, finally, the pressing wheels 3311 of the first wheel frame 331 side and the pressing wheels 3311 of the second wheel frame 5 side can be synchronized, the distance between the pressing cutters 3 can be precisely adjusted to change the size of the cut leather, and the effect of preventing the tearing of the leather is not affected.
The embodiment is a use method of intelligent leather equidistant cutting equipment for leather products, which comprises the following steps:
as shown in fig. 1-6, in the initial state, the cutting blade 321 is in a suspended state, the leather can be penetrated through the bottom of the cutting blade 321, the leather to be cut and the external transmission roller wheel are installed, after the leather is installed, the distance between the cutting pieces 3 can be pressed by the stretching and retracting of the cylinder 72, and then the size of the cut leather can be adjusted, wherein the cylinder 72 can be an SMC type MBB cylinder, the third threaded rod 82 is rotated to enable the pressing plate 821 to descend and press the pressing block 323, the cutting blade 321 descends and drives the leather to be transmitted, the cutting blade 321 can cut the leather, and the upper and lower pressing wheels 3311 can support and limit the two sides of the leather, so that the deformation degree of the leather is greatly reduced when the first wheel frame 331 cuts the leather, that is, and the probability of tearing of the leather is reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. An intelligent leather equidistant cutting device for leather products comprises a platform (1), it is characterized in that a first upright post (11) and a second upright post (12) are respectively and fixedly arranged at the two sides of the top of the platform (1), a fixed frame (2) is fixedly arranged between the first upright post (11) and the second upright post (12), a starting component (8) is arranged on one side of the fixed frame (2), the fixed frame (2) is of a box body structure with the bottom surface not sealed, the inner side wall of the fixed frame (2) is rotationally connected with a first threaded rod (21), a first fixed sleeve (211) is fixedly arranged at the center of the first threaded rod (21), two sides of the first threaded rod (21) are both connected with a first movable sleeve (212) in a threaded manner, the bottoms of the first fixed sleeve (211) and the first movable sleeve (212) are fixedly provided with pressing cutting pieces (3);
the pressing and cutting piece (3) comprises a first box body (31), a second box body (32) and two pressing components (33), the first box body (31) is fixedly installed at the bottom of a first movable sleeve (212), a first guide column (322) is movably sleeved at the bottom of the first box body (31), the first guide column (322) is located on the inner peripheral side of the first box body (31) and movably sleeved with a first spring (3221), the second box body (32) is fixedly installed at the bottom of the first guide column (322), a cutting blade (321) is fixedly installed at the center of the bottom of the second box body (32), and the two pressing components (33) are respectively and fixedly installed on two sides of the bottom of the second box body (32);
bar recess (101) have been seted up to the inner diapire of platform (1), the cavity has been seted up to the inside of platform (1), be provided with strip hole (102) between bar recess (101) and the cavity, the cavity lateral wall rotates and is connected with second threaded rod (4), the center department fixed mounting of second threaded rod (4) has second fixed sleeve (41), the equal threaded connection in both sides of second threaded rod (4) has second movable sleeve (42), the equal fixed mounting in top of second fixed sleeve (41) and second movable sleeve (42) has second wheel carrier (5).
2. The intelligent equidistant leather cutting equipment for the leathers as claimed in claim 1, wherein the starting assembly (8) comprises a fixed transverse plate (81) and a third threaded rod (82), the two ends of the fixed transverse plate (81) are respectively fixedly connected with the first upright column (11) and the second upright column (12), the bottom of the fixed transverse plate (81) is slidably connected with a pressing plate (821), the third threaded rod (82) is rotatably connected at the top center of the pressing plate (821), and the third threaded rod (82) is in threaded connection with the fixed transverse plate (81).
3. The intelligent equidistant leather cutting device for the leather products is characterized in that third guide columns (811) are fixedly installed on two sides of the top of the pressing plate (821), and the third guide columns (811) are movably sleeved with a fixed transverse plate (81).
4. The intelligent leather equidistant cutting device for the leather products is characterized in that the pressing component (33) comprises a first wheel carrier (331) and a second guide post (332), the number of the first guide posts (322) is two, the first wheel carrier (331) is movably sleeved at the bottom of the second box body (32), the first wheel carrier (331) is fixedly installed at the bottom of the second guide post (332), the peripheral side of the second guide post (332) is movably sleeved with a second spring (3321), and one side of the bottom of the first wheel carrier (331) is rotatably connected with a pressing wheel (3311).
5. The intelligent leather equidistant cutting device for leather products is characterized in that the first wheel frame (331) is of an L-shaped plate body structure, the number of the pressing wheels (3311) is set to be a plurality, and the pressing wheels are fixedly and rotatably connected to one side of the bottom of the first wheel frame (331) close to the cutting blade (321).
6. The intelligent leather equidistant cutting device for leather products as claimed in claim 1, it is characterized in that the inner peripheral side surfaces of the first threaded rod (21) and the second threaded rod (4) extending into the second upright post (12) are fixedly provided with first gears (6), a second gear (7) is arranged between the two first gears (6), the second gear (7) is rotationally connected with the inner side wall of the second upright post (12), the side surface of the second gear (7) is fixedly connected with a driving gear (71), an air cylinder (72) is fixedly arranged on the inner bottom wall of the second upright post (12), a rack (73) is fixedly arranged at the output end of the top of the air cylinder (72), the rack (73) is meshed with the driving gear (71), a guide sleeve is fixedly mounted on the inner side wall of the second upright post (12), and the rack (73) is movably sleeved inside the guide sleeve.
7. The intelligent equidistant leather cutting device for the leather products is characterized in that a pressing block (323) is fixedly installed on one side of the second box body (32), and the upper surface of the pressing block (323) is attached to a pressing plate (821).
8. An intelligent leather equidistant cutting device for leathers according to claim 1, characterized in that the second threaded bar (4) is of the same size as the first threaded bar (21) and the second wheel carriage (5) is of the same size as the first wheel carriage (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110934421.1A CN113652506A (en) | 2021-08-16 | 2021-08-16 | Intelligent leather equidistance cutting equipment for leather products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110934421.1A CN113652506A (en) | 2021-08-16 | 2021-08-16 | Intelligent leather equidistance cutting equipment for leather products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113652506A true CN113652506A (en) | 2021-11-16 |
Family
ID=78480337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110934421.1A Withdrawn CN113652506A (en) | 2021-08-16 | 2021-08-16 | Intelligent leather equidistance cutting equipment for leather products |
Country Status (1)
| Country | Link |
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| CN (1) | CN113652506A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350859A (en) * | 2022-01-07 | 2022-04-15 | 陈宝淳 | Intelligent leather product leather equidistance cutting equipment |
| CN114736996A (en) * | 2022-04-01 | 2022-07-12 | 江西雄屹皮业有限公司 | A automatic perforating device for leather production and processing |
-
2021
- 2021-08-16 CN CN202110934421.1A patent/CN113652506A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350859A (en) * | 2022-01-07 | 2022-04-15 | 陈宝淳 | Intelligent leather product leather equidistance cutting equipment |
| CN114736996A (en) * | 2022-04-01 | 2022-07-12 | 江西雄屹皮业有限公司 | A automatic perforating device for leather production and processing |
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Application publication date: 20211116 |