CN221211925U - Stretching device for PU (polyurethane) artificial leather production - Google Patents
Stretching device for PU (polyurethane) artificial leather production Download PDFInfo
- Publication number
- CN221211925U CN221211925U CN202322948105.7U CN202322948105U CN221211925U CN 221211925 U CN221211925 U CN 221211925U CN 202322948105 U CN202322948105 U CN 202322948105U CN 221211925 U CN221211925 U CN 221211925U
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- artificial leather
- fixedly arranged
- push
- pinion
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- 239000002649 leather substitute Substances 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000004814 polyurethane Substances 0.000 title description 13
- 229920002635 polyurethane Polymers 0.000 title description 2
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 description 6
- 239000004744 fabric Substances 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The utility model discloses a stretching device for PU artificial leather production, which particularly relates to the field of artificial leather processing, and comprises a supporting base, wherein a pressing column is fixedly arranged at the top of the supporting base, a cutter is arranged at the top of the pressing column, a pressing plate is fixedly arranged at the top of the cutter, an electric telescopic rod is fixedly arranged at the top of the pressing plate, the electric telescopic rod is fixedly arranged in external equipment, undercut stretching mechanisms are arranged at two sides of the pressing plate, each undercut stretching mechanism comprises toothed plates fixedly arranged at two sides of the pressing plate, gears are arranged at one sides of the two toothed plates, the gears are rotatably arranged on the outer wall of the pressing column, rotating rods are fixedly arranged at two sides of the gears, and thread grooves are formed in two sides of the rotating rods; according to the utility model, the lower cutting and stretching mechanism is arranged, so that when the artificial leather is cut and rolled, the position of the artificial leather to be cut is pulled and stretched, and the artificial leather can be kept flat, so that the problem of wrinkling caused by uneven tension is avoided.
Description
Technical Field
The utility model relates to the technical field of artificial leather processing, in particular to a stretching device for PU artificial leather production.
Background
The artificial leather is a plastic product which has the appearance and the hand feeling similar to leather and can replace the leather, is usually made by taking fabric as a base, coating synthetic resin and adding various plastics, mainly comprises three types of PVC artificial leather, PU artificial leather and PU synthetic leather, and is usually made by taking fabric as a base, coating or attaching a layer of resin mixture on the base, heating to plasticize the base, and rolling, flattening or embossing the base to obtain a product, which is similar to natural leather, has the characteristics of softness, wear resistance and the like, and has artificial leather for shoes, artificial leather for bags and the like according to the application according to the different types of covers;
However, when the traditional PU artificial leather is produced, the artificial leather needs to be cut and rolled, and the artificial leather base cloth is difficult to realize complete tensioning and unfolding in the unreeling process, so that the problem of wrinkling caused by uneven tension of the artificial leather is easily caused, the paving effect is affected, and the situation of irregular cutting is caused;
In view of the technical drawbacks described above, a solution is now provided.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides the stretching device for producing the PU artificial leather, which is used for stretching the position of the artificial leather to be cut when the artificial leather is cut and rolled by arranging the lower cutting stretching mechanism, so that the artificial leather can be kept flat and the problem of wrinkling caused by uneven tension is avoided, and the problems in the background art are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PU artificial leather production is with stretching device, includes the support base, the top fixed mounting of support base has the pad post that presses, the top of pad post is provided with the cutter, the top fixed mounting of cutter has the pushing away the frame plate, the top fixed mounting of pushing away the frame plate has electric telescopic handle, electric telescopic handle fixed mounting is inside external equipment, the both sides of pushing away the frame plate are provided with down cutting stretching mechanism;
The lower cutting and stretching mechanism comprises toothed plates fixedly arranged on two sides of a pressing plate, gears are arranged on one sides of the two toothed plates, the gears are rotatably arranged on the outer wall of a pressing column, rotating rods are fixedly arranged on two sides of the gears, threaded grooves are formed in two sides of the rotating rods, push blocks are connected with the outer wall of the threaded grooves in a threaded manner, a push-pull roller is fixedly arranged on one side of each push block, and the push-pull roller is slidably arranged on the top of a supporting base;
The two sides of the pushing frame plate are fixedly provided with pressing plates, the bottoms of the two pressing plates are fixedly provided with a plurality of limiting springs, and the bottoms of the limiting springs are fixedly provided with clamping plates.
In a preferred embodiment, a plurality of telescopic sleeves are fixedly installed at the bottom of the pressing plate, a plurality of telescopic sleeves are fixedly installed at the top of the clamping plate, the telescopic sleeves are arranged perpendicular to the pressing plate, and the telescopic sleeves are arranged perpendicular to the clamping plate.
In a preferred embodiment, the bottoms of the two toothed plates are fixedly provided with a lifting mechanism, the lifting mechanism comprises a synchronous rod fixedly arranged at the bottoms of the two toothed plates, one side of each synchronous rod is fixedly provided with a top plate, and two sides of each top plate are fixedly provided with a plurality of push rods.
In a preferred embodiment, the toothed plate and the gear are arranged in a mutually corresponding manner, the distance between the toothed plate and the gear is smaller than the distance between the bottom of the cutter and the top of the support base, the distance between the toothed plate and the gear is larger than the distance between the clamping plate and the top of the support base, the bottom of the clamping plate is arranged in an arc shape, and the clamping plate and the top of the support base are arranged in parallel.
In a preferred embodiment, a plurality of push rods are arranged in an L shape, a plurality of push rods are arranged perpendicular to the top plate, a plurality of push rods are arranged perpendicular to the top of the supporting base, and the horizontal height of the top of each push rod is lower than that of the top of the push-pull roller.
The utility model has the technical effects and advantages that:
1. According to the utility model, the lower cutting stretching mechanism is arranged, the pressing plate is driven to press the limiting springs through the downward movement of the pressing plate, so that the clamping plate is stressed to move downwards to press the artificial leather, the artificial leather is pressed on the push-pull rollers, the toothed plates at two sides are driven by the pressing plate to rotate close to the gears, the rotating rods are driven to synchronously rotate, the rotating rods drive the threaded grooves at two sides to move, the push blocks drive the two push-pull rollers to slide towards two sides to pull the artificial leather towards two sides, and the artificial leather is pulled and stretched at the position where the artificial leather needs to be cut, so that the artificial leather is kept flat, and the problem of wrinkling caused by uneven tension is avoided.
2. According to the utility model, the lifting mechanism is arranged, after the cutting is finished, the toothed plates move upwards to drive the synchronous rods to move upwards synchronously, and the synchronous rods drive the top plate to move upwards synchronously, so that the plurality of push rods jack up the cut and broken hanging artificial leather from the bottom, and the artificial leather is convenient to take.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a partial cross-sectional view of the present utility model.
Fig. 4 is an enlarged view of the structure of the portion a of fig. 3 according to the present utility model.
Fig. 5 is an enlarged view of the B-section structure of fig. 3 according to the present utility model.
The reference numerals are: 1. a support base; 2. a pressing column is filled; 3. a cutter; 4. a pushing frame plate; 5. an electric telescopic rod; 6. a lower cutting and stretching mechanism; 61. a toothed plate; 62. a gear; 63. a rotating rod; 64. a thread groove; 65. a pushing block; 66. a push-pull roller; 67. a pressing plate; 68. a limit spring; 69. a clamping plate; 610. a telescoping sleeve; 7. a jack-up mechanism; 71. a synchronizing lever; 72. a top plate; 73. a push rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5 of the specification, as shown in fig. 1, the stretching device for producing PU artificial leather comprises a supporting base 1, wherein a pressing column 2 is fixedly arranged at the top of the supporting base 1, a cutter 3 is arranged at the top of the pressing column 2, a pushing frame plate 4 is fixedly arranged at the top of the cutter 3, an electric telescopic rod 5 is fixedly arranged at the top of the pushing frame plate 4, the electric telescopic rod 5 is fixedly arranged in external equipment, the pushing frame plate 4 is driven to move downwards by the electric telescopic rod 5, the cutter 3 is driven by the pushing frame plate 4 to cut PU artificial leather on the pressing column 2, the rolling is facilitated, and lower cutting stretching mechanisms 6 are arranged at two sides of the pushing frame plate 4;
As shown in fig. 2, 3 and 4, the lower cutting and stretching mechanism 6 comprises toothed plates 61 fixedly installed at two sides of the push frame plate 4, one side of each toothed plate 61 is provided with a gear 62, the gears 62 are rotatably installed on the outer walls of the cushion compression columns 2, two sides of each gear 62 are fixedly provided with a rotating rod 63, the two sides of each rotating rod 63 are provided with threaded grooves 64, the push frame plate 4 moves downwards to drive the toothed plates 61 at two sides to be close to the gears 62, the toothed plates 61 squeeze the gears 62 to rotate so as to drive the rotating rods 63 to synchronously rotate, the rotating rods 63 drive the threaded grooves 64 at two sides to synchronously rotate, the outer walls of the two threaded grooves 64 are in threaded connection with push blocks 65, one side of each push block 65 is fixedly provided with push and pull rollers 66, the push rollers 66 are slidably installed at the top of the support base 1, the rotating threaded grooves 64 drive the two push rollers 65 to move towards two sides, and then the artificial leather on the two push rollers 66 is pulled at two sides, so that the artificial leather is pulled at the two sides, and the positions where the artificial leather needs to be cut are pulled and stretched, and the artificial leather can be kept flat, and the problem of wrinkling caused by uneven tension is avoided;
As shown in fig. 3, 4 and 5, the pressing plates 67 are fixedly installed on two sides of the pushing frame plate 4, the plurality of limit springs 68 are fixedly installed at the bottoms of the two pressing plates 67, the clamping plates 69 are fixedly installed at the bottoms of the plurality of limit springs 68, the pressing plates 67 are driven to synchronously move downwards by the downward movement of the pushing frame plate 4, the two pressing plates 67 press the plurality of limit springs 68, and the clamping plates 69 are forced to move downwards to press the artificial leather, so that the artificial leather is pressed on the push-pull roller 66.
As shown in fig. 4, a plurality of telescopic sleeves 610 are fixedly installed at the bottom of the pressing plate 67, the telescopic sleeves 610 are fixedly installed at the top of the clamping plate 69, the telescopic sleeves 610 are arranged perpendicular to the pressing plate 67, the telescopic sleeves 610 are arranged perpendicular to the clamping plate 69, the pressing plate 67 keeps stable and moves downwards when the clamping plate 69 is pressed down through the arrangement of the telescopic sleeves 610, and then the clamping plate 69 can press artificial leather.
As shown in fig. 3 and 4, the bottom of the two toothed plates 61 is fixedly provided with a lifting mechanism 7, the lifting mechanism 7 comprises a synchronizing rod 71 fixedly arranged at the bottom of the two toothed plates 61, one side of the two synchronizing rods 71 is fixedly provided with a top plate 72, two sides of the top plate 72 are fixedly provided with a plurality of push rods 73, after the two toothed plates 61 are cut, the toothed plates 61 move upwards to drive the synchronizing rods 71 to move upwards synchronously, the synchronizing rods 71 drive the top plate 72 to enable the plurality of push rods 73 to move upwards synchronously, and therefore the plurality of push rods 73 jack the cut and broken hanging artificial leather from the bottom, so that the artificial leather is convenient to take.
As shown in fig. 3, fig. 4 and fig. 5, the toothed plate 61 and the gear 62 are correspondingly arranged, the gear 62 can rotate through the downward movement of the toothed plate 61, the distance between the toothed plate 61 and the gear 62 is smaller than the distance between the bottom of the cutter 3 and the top of the support base 1, the distance between the toothed plate 61 and the gear 62 is larger than the distance between the clamping plate 69 and the top of the support base 1, the bottom of the clamping plate 69 is in an arc-shaped arrangement, the clamping plate 69 and the top of the support base 1 are in parallel arrangement, and then the clamping plate 69 approaches and extrudes the artificial leather before the rotation of the gear 62, so that the artificial leather is pressed on the support base 1 for limiting and then is cut, the artificial leather is prevented from being offset during cutting, and the artificial leather is convenient to stretch.
As shown in fig. 3, the plurality of push rods 73 are L-shaped, the plurality of push rods 73 are perpendicular to the top plate 72, the plurality of push rods 73 are perpendicular to the top of the supporting base 1, the horizontal height of the top of the push rods 73 is lower than that of the top of the push-pull roller 66, and the cut and broken hanging artificial leather is lifted from the bottom by the movement of the plurality of push rods 73, so that the artificial leather is convenient to take.
The working process and principle of the utility model are as follows:
the pushing frame plate 4 is driven to move downwards through the electric telescopic rod 5, the cutter 3 is driven by the pushing frame plate 4 to cut PU artificial leather on the cushion pressing column 2, rolling is facilitated, the pressing plates 67 are driven to move downwards synchronously through the downward movement of the pushing frame plate 4, the two pressing plates 67 squeeze the limiting springs 68, the clamping plates 69 are forced to move downwards to press the artificial leather, the artificial leather is pressed on the push-pull rollers 66, the toothed plates 61 on two sides are driven to approach the gears 62 through the downward movement of the pushing frame plate 4, the rotating rods 63 are driven to rotate synchronously through the toothed plates 61 to squeeze the gears 62, the rotating threaded grooves 64 on two sides are driven to move by the rotating threaded grooves 64, the push blocks 65 drive the two push-pull rollers 66 to slide towards two sides, the artificial leather on the push-pull rollers 66 on two sides is pulled on two sides at the moment, the artificial leather is pulled and stretched at the position where the artificial leather needs to be cut, the artificial leather can be kept flat, and the problem of wrinkling caused by uneven tension is avoided; after the cutting is finished, the toothed plates 61 move upwards to drive the synchronous rods 71 to move upwards synchronously, and then the synchronous rods 71 drive the top plates 72 to enable the plurality of push rods 73 to move upwards synchronously, so that the plurality of push rods 73 jack up the cut and broken hanging artificial leather from the bottom, and the artificial leather is convenient to take.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (5)
1. Stretching device is used in PU synthetic leather production, including supporting base (1), its characterized in that: the automatic cutting machine is characterized in that a pressing column (2) is fixedly arranged at the top of the supporting base (1), a cutter (3) is arranged at the top of the pressing column (2), a pushing frame plate (4) is fixedly arranged at the top of the cutter (3), an electric telescopic rod (5) is fixedly arranged at the top of the pushing frame plate (4), the electric telescopic rod (5) is fixedly arranged inside external equipment, and lower cutting stretching mechanisms (6) are arranged at two sides of the pushing frame plate (4);
The lower cutting and stretching mechanism (6) comprises toothed plates (61) fixedly arranged on two sides of a pushing frame plate (4), gears (62) are arranged on one sides of the two toothed plates (61), the gears (62) are rotatably arranged on the outer wall of a pressing column (2), rotating rods (63) are fixedly arranged on two sides of the gears (62), thread grooves (64) are formed in two sides of the rotating rods (63), pushing blocks (65) are in threaded connection with the outer wall of each of the two thread grooves (64), push-pull rollers (66) are fixedly arranged on one sides of each of the pushing blocks (65), and the push-pull rollers (66) are slidably arranged on the top of a supporting base (1);
pressing plates (67) are fixedly arranged on two sides of the pushing frame plate (4), a plurality of limiting springs (68) are fixedly arranged at the bottoms of the two pressing plates (67), and clamping plates (69) are fixedly arranged at the bottoms of the limiting springs (68).
2. The stretching device for producing PU artificial leather according to claim 1, wherein: the bottom fixed mounting of clamp plate (67) has a plurality of telescopic tube (610), and a plurality of telescopic tube (610) fixed mounting is at the top of splint (69), telescopic tube (610) are mutually perpendicular setting with clamp plate (67), and telescopic tube (610) are mutually perpendicular setting with splint (69).
3. The stretching device for producing PU artificial leather according to claim 1, wherein: the two bottom fixed mounting of pinion rack (61) have jack-up mechanism (7), jack-up mechanism (7) are including fixed mounting in synchronizing lever (71) of two pinion rack (61) bottoms, and two one side of synchronizing lever (71) is fixed mounting together roof (72), the both sides fixed mounting of roof (72) has a plurality of push rods (73).
4. The stretching device for producing PU artificial leather according to claim 1, wherein: the utility model discloses a cutting machine, including tooth board (61), gear (62), cutting tool (3), cutting tool (69), pinion (62), pinion (61) are the setting that corresponds each other with pinion (62), the distance between tooth board (61) and pinion (62) is less than the distance between cutter (3) bottom and support base (1) top, the distance between tooth board (61) and pinion (62) is greater than the distance between splint (69) and support base (1) top, the bottom of splint (69) is the arc setting, splint (69) are mutual parallel arrangement with the top of support base (1).
5. A stretching device for producing PU artificial leather according to claim 3, wherein: the push rods (73) are arranged in an L shape, the push rods (73) are arranged perpendicular to the top plate (72), the push rods (73) are arranged perpendicular to the top of the supporting base (1), and the horizontal height of the tops of the push rods (73) is lower than that of the tops of the push-pull rollers (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322948105.7U CN221211925U (en) | 2023-11-01 | 2023-11-01 | Stretching device for PU (polyurethane) artificial leather production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322948105.7U CN221211925U (en) | 2023-11-01 | 2023-11-01 | Stretching device for PU (polyurethane) artificial leather production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221211925U true CN221211925U (en) | 2024-06-25 |
Family
ID=91545938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322948105.7U Active CN221211925U (en) | 2023-11-01 | 2023-11-01 | Stretching device for PU (polyurethane) artificial leather production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221211925U (en) |
-
2023
- 2023-11-01 CN CN202322948105.7U patent/CN221211925U/en active Active
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