CN110305992B - Leather stretching and flattening device for leather product production - Google Patents
Leather stretching and flattening device for leather product production Download PDFInfo
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- CN110305992B CN110305992B CN201910767911.XA CN201910767911A CN110305992B CN 110305992 B CN110305992 B CN 110305992B CN 201910767911 A CN201910767911 A CN 201910767911A CN 110305992 B CN110305992 B CN 110305992B
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- leather
- flattening
- fixed
- support frame
- flattening device
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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
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/26—Leather tensioning or stretching frames; Stretching-machines; Setting-out boards; Pasting boards
Abstract
The invention discloses a leather stretching and flattening device for leather product production, which relates to the technical field of leather processing and comprises a support frame, wherein a flattening table for supporting leather is fixedly arranged on the support frame, two clamping mechanisms for clamping the leather are symmetrically arranged on two sides of the flattening table, a screw rod I and a screw rod II which are coaxially fixed and have opposite thread turning directions are horizontally arranged in the support frame, thread connecting sleeves are respectively arranged on the screw rod I and the screw rod II and are in transmission connection with the clamping mechanisms, and the lower end height of a butting rod is lower than the bottom surface height of a pressing plate; according to the leather flattening device, the leather is pressed on the flattening platform by the downward movement of the pressing plate, the leather is pulled downwards by the clamping mechanism under the driving of the lifting frame, so that the leather is effectively stretched and flattened after being supported by the flattening platform, the leather is rolled towards two sides by the arranged pressing roller in the downward movement process of the pressing plate, the flattening effect of the surface of the leather is greatly improved, and the leather flattening efficiency is high.
Description
Technical Field
The invention relates to the technical field of leather processing, in particular to a leather stretching and flattening device for leather product production.
Background
The leather is animal skin which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and non-perishable. The leather is formed by tightly weaving natural protein fibers in a three-dimensional space, and the surface of the leather is provided with a special grain surface layer which has natural grains and luster and comfortable hand feeling. In the process of human evolution, people find that juice or mineral oil of some plants has certain tanning property on leather, and the raw leather has air permeability and corrosion resistance by being soaked in the juice, so that the plate has physical and chemical properties of softness, tear resistance, bending resistance and the like.
Before the production and manufacturing of leather products, leather to be processed needs to be flattened so as to ensure that the surface is smooth and does not wrinkle and ensure the quality of the produced leather, but the current leather flattening device is not ideal enough in flattening effect on the leather and cannot meet the requirement of actual production and processing, therefore, the leather stretching and flattening device for leather product production is provided at present so as to solve the technical problem.
Disclosure of Invention
The invention aims to provide a leather stretching and flattening device for leather product production, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a leather stretching and flattening device for leather product production comprises a supporting frame, a flattening table for supporting leather is fixedly arranged on the supporting frame, two clamping mechanisms for clamping the leather are symmetrically arranged on two sides of the flattening table, a screw rod I and a screw rod II which are coaxially fixed and have opposite screw thread turning directions are horizontally arranged in the support frame, screw thread connecting sleeves on the screw rod I and the screw rod II are respectively provided with a screw thread sleeve block which is in transmission connection with the clamping mechanism, the clamping mechanism comprises a clamping groove block, a locking stud which is vertically arranged is connected on the clamping groove block in a threaded manner, a sleeve is fixed at the bottom of the clamping groove block, a sliding column which is fixed with the threaded sleeve block is arranged in the sleeve in a sliding manner, be equipped with in the support frame through elevating system driven crane, the crane bottom is fixed with the clamp plate that is used for leveling the leather, and the crane both sides are equipped with the butt pole with the vertical correspondence of centre gripping groove piece, and the lower extreme of butt pole highly is less than the bottom surface height of clamp plate.
As a modified scheme of the invention: a forward and reverse rotation motor is fixed in the support frame, a main gear is coaxially fixed on an output shaft of the forward and reverse rotation motor, and a pinion which is meshed and connected with the main gear is fixedly sleeved on the screw rod II.
As a modified scheme of the invention: and a pressing clamping groove vertically corresponding to the locking stud is formed in the clamping groove block.
As a modified scheme of the invention: the vertical longitudinal slide that has seted up of support frame lateral wall, sliding insert in the longitudinal slide is equipped with the slip cover piece, wears to be equipped with the guide arm of fixing on the centre gripping groove block in the slip cover piece, and the movable sleeve is equipped with the horizontal spacing spring that both ends were fixed respectively between centre gripping groove block and slip cover piece on the guide arm.
As a modified scheme of the invention: and the upper surface of the clamping groove block is transversely provided with a limit groove vertically corresponding to the abutting rod.
As a modified scheme of the invention: the holding tank has transversely been seted up to the clamp plate bottom, and articulated in the holding tank have the rotating turret, and the last rotation type of rotating turret is equipped with the compression roller, and the clamp plate lateral wall is fixed with the extension board, fixedly connected with reset spring between extension board and the rotating turret.
As a modified scheme of the invention: the lifting mechanism comprises a threaded sleeve pipe pivoted on the support frame, a threaded rod connected with threads and penetrating through the interior of the threaded sleeve pipe is fixedly mounted at the top of the lifting frame, a servo motor is fixed on the support frame, a worm is coaxially fixed on an output shaft of the servo motor, and a worm wheel fixed on the threaded sleeve pipe is sleeved on the worm in a matching connection mode.
As a modified scheme of the invention: the equal rotary type in flattening platform both ends is equipped with the guide roll.
As a modified scheme of the invention: an electric heater is embedded in the leveling platform.
Compared with the prior art, the invention has the beneficial effects that:
according to the leather flattening device, the leather is pressed on the flattening platform by the downward movement of the pressing plate, the leather is pulled downwards by the clamping mechanism under the driving of the lifting frame, so that the leather is effectively stretched and flattened after being supported by the flattening platform, the leather is rolled towards two sides by the arranged pressing roller in the downward movement process of the pressing plate, the flattening effect of the surface of the leather is greatly improved, and the leather flattening efficiency is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic top view of the clamping groove of the present invention;
FIG. 5 is a schematic bottom view of the platen of the present invention;
FIG. 6 is a side view of a portion of the stand of the present invention.
In the figure: 1-supporting frame, 2-pressing plate, 3-worm gear, 4-threaded rod, 5-threaded sleeve, 6-servo motor, 7-lifting frame, 8-lead screw I, 9-positive and negative rotation motor, 10-master gear, 11-pinion, 12-leveling platform, 13-threaded sleeve block, 14-lead screw II, 15-guide rod, 16-sliding sleeve block, 17-clamping groove block, 18-locking stud, 19-pressing clamping groove, 20-longitudinal limiting spring, 21-sliding column, 22-sleeve, 23-transverse limiting spring, 24-reset spring, 25-pressing roller, 26-guiding roller, 27-electric heater, 28-rotating frame, 29-limiting groove, 30-containing groove, 31-longitudinal slideway, etc, 32-abutting rod, 33-extending plate and 34-worm.
Detailed Description
The technical scheme of the patent is further described in detail by combining the following specific embodiments:
example 1
Referring to fig. 1-6, a leather stretching and flattening device for leather product production comprises a support frame 1, a flattening table 12 for supporting leather is fixedly installed on the support frame 1, two clamping mechanisms for clamping leather are symmetrically arranged on two sides of the flattening table 12, the leather is clamped by the clamping mechanisms before leather flattening operation, wherein each clamping mechanism comprises a clamping groove block 17, a locking stud 18 which is vertically arranged is in threaded connection with the clamping groove block 17, a sleeve 22 is fixed at the bottom of the clamping groove block 17, and a sliding column 21 which is fixed with a threaded sleeve block 13 is slidably installed in the sleeve 22.
The two side edges of the leather are clamped in the clamping groove block 17, the leather is screwed downwards by rotating the locking stud 18 until the leather is tightly pressed and fixed in the clamping groove block 17, furthermore, a pressing clamping groove 19 vertically corresponding to the locking stud 18 is formed in the clamping groove block 17, when the locking stud 18 moves downwards, the locking stud 18 extrudes the edge of the leather to enter the pressing clamping groove 19, the firm clamping and fixing effect of the leather is ensured, and the leather is prevented from falling off when being stretched and leveled later.
A screw I8 and a screw II14 which are coaxially fixed and have opposite screw threads are horizontally arranged in the support frame 1, a screw sleeve block 13 which is in transmission connection with the clamping mechanism is arranged on a screw connecting sleeve of the screw I8 and the screw II14, a forward and reverse motor 9 is fixed in the support frame 1, a main gear 10 is coaxially fixed on an output shaft of the forward and reverse motor 9, and a pinion 11 which is in meshing connection with the main gear 10 is sleeved and fixed on the screw II 14.
When the leather is stretched, the main gear 10 is driven to rotate by starting the forward and reverse rotating motor 9, the main gear 10 drives the screw rod II14 to rotate together with the screw rod I8 through the pinion 11 which is meshed with the main gear 10, the two thread sleeve blocks 13 move back to back at the moment, the two clamping groove blocks 17 move back to back, the leather is stretched, and the effect of removing wrinkles is achieved.
In addition, be equipped with in the support frame 1 and pass through elevating system driven crane 7, crane 7 bottom is fixed with the clamp plate 2 that is used for leveling the leather, crane 7 both sides are equipped with the butt pole 32 with the vertical correspondence of centre gripping groove block 17, the lower extreme height of butt pole 32 is less than the bottom surface height of clamp plate 2, vertical slide 31 has been seted up to support frame 1 lateral wall, it is equipped with slip cover piece 16 to slide to inlay in the longitudinal slide 31, wear to be equipped with in the slip cover piece 16 and fix the guide arm 15 on centre gripping groove block 17, the movable sleeve is equipped with the horizontal spacing spring 23 that both ends were fixed respectively between centre gripping groove block 17 and slip cover piece 16 on the.
Through the above-mentioned setting, crane 7 moves down through elevating system, butt pole 32 moves down with clamp plate 2 thereupon, because the lower extreme height of butt pole 32 is less than the bottom surface height of clamp plate 2, butt pole 32 moves down to pressing centre gripping groove block 17 earlier, slip cover 16 moves down along longitudinal slide 31 this moment, and vertical spacing spring 20 deformation compression, centre gripping groove block 17 drives the leather and moves down and receives the restriction support of the 12 mesa of platform, the leather is taut and the tiling on platform 12, and clamp plate 2 contacts the leather and extrudees it smoothly downwards afterwards, the tensile leveling effect of leather has been promoted greatly.
The limiting groove 29 vertically corresponding to the abutting rod 32 is transversely formed in the upper surface of the clamping groove block 17, and when the abutting rod 32 moves downwards, the limiting groove 29 can be clamped in the limiting groove to realize downward abutting transmission of the clamping groove block 17, so that the transmission process is more stable.
Example 2
In order to further improve the leveling effect of the leather surface, on the basis of the embodiment 1, in addition, the bottom of the pressing plate 2 is transversely provided with an accommodating groove 30, the accommodating groove 30 is internally hinged with a rotating frame 28, the rotating frame 28 is rotatably provided with a pressing roller 25, the side wall of the pressing plate 2 is fixed with an extending plate 33, and a return spring 24 is fixedly connected between the extending plate 33 and the rotating frame 28.
When the pressing plate 2 moves downwards, the pressing roller 25 contacts with the leather, when the pressing plate 2 continues to press downwards, the rotating frame 28 swings and deflects, the pressing roller 25 rolls the leather towards the two sides of the leather, the leather is stretched, the leather is further flattened, and the pressing force of the pressing roller 25 on the leather is ensured by the downward elastic action of the reset spring 24 on the rotating frame 28. When the pressing plate 2 moves down to press and joint the leather, the rotating frame 28 rotates to the horizontal position and is accommodated in the accommodating groove 30.
The lifting mechanism comprises a threaded sleeve 5 pivoted on the support frame 1, a threaded rod 4 connected with a thread and penetrating through the interior of the threaded sleeve 5 is fixedly mounted at the top of the lifting frame 7, a servo motor 6 is fixed on the support frame 1, a worm 34 is coaxially fixed on an output shaft of the servo motor 6, and a worm wheel 3 sleeved and fixed on the threaded sleeve 5 is connected to the worm 34 in a matching mode.
When the lifting frame 7 is driven downwards, the worm 34 is driven by the servo motor 6 to rotate, the worm 34 drives the threaded sleeve 5 to rotate through the worm wheel 3 matched with the worm, and at the moment, the threaded rod 4 moves downwards and drives the lifting frame 7 to move downwards.
In addition, guide rollers 26 are rotatably provided at both ends of the leveling table 12, and an electric heater 27 is installed in the leveling table 12. The guide roll 26 through setting up can play the support guide effect to the leather, improve the smooth-going degree of the tensile process of leather, avoid flat platform 12 apex angle department to cause great friction to the leather, play the protection effect to the leather, and the electric heater 27 that sets up can heat flat platform 12, leather on the flat platform 12 is through realizing the heating with flat platform 12 heat-conduction, do benefit to the toughness that promotes the leather, the extension and the leveling effect of leather have been promoted greatly.
In conclusion, the leather is pressed on the leveling table 12 by the downward movement of the pressing plate 2, the leather is pulled downwards by the clamping mechanism under the driving of the lifting frame 7, so that the leather is effectively stretched and leveled after being supported by the leveling table 12, the leather is rolled towards two sides by the pressing roller 25 in the downward movement process of the pressing plate 2, the leveling effect of the leather surface is greatly improved, and the leveling efficiency of the leather is high.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. Therefore, the protection scope of the present technical solution patent should be subject to the appended claims.
Claims (8)
1. The utility model provides a leather production is with tensile level and smooth device of leather, includes support frame (1), and fixed mounting has a flat platform (12) that is used for supporting the leather on support frame (1), and flat platform (12) bilateral symmetry is equipped with two fixture that are used for the centre gripping leather, its characterized in that, the level is equipped with coaxial fixed screw thread and revolves to opposite lead screw I (8) and lead screw II (14) in support frame (1), and equal threaded connection cover is equipped with screw sleeve piece (13) of being connected with the fixture transmission on lead screw I (8) and lead screw II (14), fixture includes centre gripping groove block (17), and threaded connection has the locking double-screw bolt (18) of vertical setting on centre gripping groove block (17), and centre gripping groove block (17) bottom is fixed with sleeve (22), and sliding column (21) that sliding installation and screw sleeve piece (13) are fixed in sleeve (22), be equipped with crane (7) through elevating system drive in support frame (1), the bottom of the lifting frame (7) is fixedly provided with a pressing plate (2) used for leveling leather, two sides of the lifting frame (7) are provided with a butt joint rod (32) vertically corresponding to the clamping groove block (17), the lower end of the butt joint rod (32) is lower than the bottom surface height of the pressing plate (2), and the upper surface of the clamping groove block (17) is transversely provided with a limit groove (29) vertically corresponding to the butt joint rod (32).
2. The leather stretching and flattening device for the leather product production as claimed in claim 1, wherein a forward and reverse rotating motor (9) is fixed in the supporting frame (1), a main gear (10) is coaxially fixed on an output shaft of the forward and reverse rotating motor (9), and a pinion (11) meshed with the main gear (10) is fixedly sleeved on the screw rod II (14).
3. The leather stretching and flattening device for leather product production as claimed in claim 1, characterized in that a pressing slot (19) vertically corresponding to the locking stud (18) is arranged in the clamping slot block (17).
4. The leather stretching and flattening device for the leather product production is characterized in that a longitudinal slide way (31) is vertically arranged on the side wall of the supporting frame (1), a sliding sleeve block (16) is embedded in the longitudinal slide way (31) in a sliding mode, a guide rod (15) fixed on the clamping groove block (17) penetrates through the sliding sleeve block (16), and a transverse limiting spring (23) with two ends respectively fixed between the clamping groove block (17) and the sliding sleeve block (16) is movably sleeved on the guide rod (15).
5. The leather stretching and flattening device for the leather product production as claimed in claim 1, wherein a containing groove (30) is transversely formed in the bottom of the pressing plate (2), a rotating frame (28) is hinged in the containing groove (30), a pressing roller (25) is rotatably arranged on the rotating frame (28), an extending plate (33) is fixed on the side wall of the pressing plate (2), and a return spring (24) is fixedly connected between the extending plate (33) and the rotating frame (28).
6. The leather stretching and flattening device for the leather product production is characterized in that the lifting mechanism comprises a threaded sleeve (5) pivoted on the support frame (1), a threaded rod (4) connected with threads penetrating through the interior of the threaded sleeve (5) is fixedly installed at the top of the lifting frame (7), a servo motor (6) is fixed on the support frame (1), a worm (34) is coaxially fixed on an output shaft of the servo motor (6), and a worm wheel (3) sleeved and fixed on the threaded sleeve (5) is connected to the worm (34) in a matched mode.
7. The leather stretching-flattening device for leather production according to claim 1, characterized in that the flattening table (12) is rotatably provided with guide rollers (26) at both ends.
8. The leather stretching and flattening device for leather production according to claim 1, characterized in that an electric heater (27) is installed in the flattening table (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910177903 | 2019-03-10 | ||
| CN201910177903X | 2019-03-10 |
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| CN110305992A CN110305992A (en) | 2019-10-08 |
| CN110305992B true CN110305992B (en) | 2020-11-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110117679A (en) * | 2019-05-14 | 2019-08-13 | 温州天炽包装有限公司 | A kind of leather and fur products production leather stretching flattening device |
| CN111806055B (en) * | 2020-07-21 | 2021-05-07 | 温州市亿力洲鞋业有限公司 | Synthetic leather forming treatment method |
| CN113265492B (en) * | 2021-05-28 | 2022-06-24 | 陕西科技大学 | Stretching device for irregular geometric shape soft object |
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| CN107236829B (en) * | 2017-08-01 | 2019-12-06 | 瑞安市任奇科技有限公司 | Leather draw gear that clothing was made and was used |
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| CN208266198U (en) * | 2018-03-01 | 2018-12-21 | 浙江华祥皮革有限公司 | A kind of processing leather stretching pressuring flat device |
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| CN204930557U (en) * | 2015-06-26 | 2016-01-06 | 边悦庆 | A kind of cladding tension perforating mechanism |
| CN108115981A (en) * | 2017-12-15 | 2018-06-05 | 界首市果子林电子商务有限公司 | A kind of carton flange fixing installation for logistics packaging |
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Effective date of registration: 20210907 Address after: 251800 north of Gongye 1st Road, Yangxin Economic Development Zone, Binzhou City, Shandong Province and east of Yuchuan textiles Patentee after: Yangxin Ruifeng Group Co.,Ltd. Address before: 325006 room c38-202, No.5 Xijing 1st Road, Ouhai Economic Development Zone, Wenzhou City, Zhejiang Province (trusteeship 118) Patentee before: WENZHOU TIANCHI PACKING Co.,Ltd. |
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Denomination of invention: A leather stretching and leveling device for the production of leather products Effective date of registration: 20230531 Granted publication date: 20201124 Pledgee: Dongying Bank Co.,Ltd. Binzhou Wudi Branch Pledgor: Yangxin Ruifeng Group Co.,Ltd. Registration number: Y2023980042408 |