CN112518884B - Solvent-free polyurethane automobile leather forming and cutting processing method - Google Patents
Solvent-free polyurethane automobile leather forming and cutting processing method Download PDFInfo
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- CN112518884B CN112518884B CN202011164043.5A CN202011164043A CN112518884B CN 112518884 B CN112518884 B CN 112518884B CN 202011164043 A CN202011164043 A CN 202011164043A CN 112518884 B CN112518884 B CN 112518884B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
- B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/14—Means for treating work or cutting member to facilitate cutting by tensioning the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
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- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention relates to a solvent-free polyurethane automobile leather forming and cutting processing method which comprises a bottom rack, a vertical rack, a winding mechanism, a locking mechanism and a cutting mechanism. The invention can solve the following problems in the automobile leather processing process: a, in the traditional automobile leather processing process, because leather is not tensioned, the leather may be in a loose state in the cutting process, so that the problems of loosening, knotting and the like of the leather are easy to occur in the cutting process, and the leather cutting is influenced; b traditional car leather cutting in-process, because a device can only correspond a shape to leather cutting in-process, required according to actual production, when the leather needs multiple shape, need change different devices and process, the cost is higher and the suitability of device is relatively poor.
Description
Technical Field
The invention relates to the field of automobile leather processing, in particular to a solvent-free polyurethane automobile leather forming, cutting and processing method.
Background
Leather is an indispensable material for industrial production and daily life, and is widely used in daily production life such as factory production, automotive interior, and protective equipment, and leather is generally classified into animal leather and artificial leather, and because animal leather is relatively complicated to manufacture, high in cost, and relatively incomparable in manufacturing process, leather in batches generally used in daily life is all artificial leather, and leather used in automotive interior is artificial leather, and because of different use occasions, automotive leather needs to be cut before use to obtain a required leather shape.
At present, the following problems exist in the processing process of automobile leather: in a traditional car leather course of working, because the leather does not carry out the tensioning and handles, so the leather probably is in the lax state at the cutting in-process, lead to the leather easily to take place not hard up, the scheduling problem of knoing in the cutting process, influence the leather cutting, in b traditional car leather cutting process, because a device can only correspond a shape to the leather cutting in-process, it is required according to actual production, when the leather needs multiple shape, need change different devices and process, the cost is higher and the suitability of device is relatively poor.
Disclosure of Invention
Technical problem to be solved
The invention provides a solvent-free polyurethane automobile leather forming and cutting processing method, which can solve the following problems in the automobile leather processing process: in a traditional car leather course of working, because the leather does not carry out the tensioning and handles, so the leather probably is in lax state at the cutting in-process, lead to the leather to be easy to take place not hard up, the scheduling problem of knoing in the cutting process, influence the leather cutting, in b traditional car leather cutting process, because a device can only correspond a shape to the leather cutting in-process, it is required according to actual production, when the leather needs multiple shape, need change different devices and process, the cost is higher and the suitability of device is relatively poor.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: the solvent-free polyurethane automobile leather forming, cutting and processing method adopts a solvent-free polyurethane automobile leather forming, cutting and processing device which comprises a bottom rack, a vertical rack, a winding mechanism, a locking mechanism and a cutting mechanism, wherein the winding mechanism is installed on the upper end face of the bottom rack, the upper end face of the bottom rack is located on the front side of the winding mechanism, the vertical rack is installed on the front side of the winding mechanism, the locking mechanism and the cutting mechanism are arranged between the winding mechanism and the upper end face of the bottom rack, and the locking mechanism and the cutting mechanism are installed between the bottom rack and the vertical rack.
Winding mechanism including rotating the frame, the winding roller, collect the roller, rotate the motor, pivot and expanding spring, wherein rotation frame setting both ends about bottom frame up end, and rotate the frame front and back symmetry and install on bottom frame up end, wherein lie in left rotation frame slip setting on bottom frame up end, expanding spring installs at left side rotation frame left end face, the expanding spring other end is installed in the frame of bottom, left side rotation frame opposite face top-down evenly is provided with the pivot, the winding roller passes through the axle sleeve to be installed in the pivot, install the pivot in the right side rotation frame, the rotation motor passes through the motor cabinet to be installed on right side rotation frame up end, collect roller one end and pass through the axle sleeve and install in the pivot, the collection roller other end passes through the axle sleeve and installs on rotating motor output shaft.
The cutting mechanism comprises a rotating frame, a jacking spring rod, a movable connecting rod, a movable spring rod, an extrusion block, an extrusion spring rod, a cutting branch chain and a cutting table, wherein the rotating frame is symmetrically arranged on the collecting roller through a flat key in a front-back mode, the jacking frame is arranged right above the rotating frame, the lower end of the jacking frame abuts against the rotating frame, one end of the jacking spring rod is arranged on the rotating frame on the right side, the other end of the jacking spring rod is arranged on the jacking frame, the upper end face and the lower end face of the jacking frame are of inclined structures, the movable connecting rod is horizontally arranged in the vertical frame, one end of the movable spring rod is arranged on the upper end face in the vertical frame, the other end of the movable spring rod is arranged on the movable connecting rod, the right end of the movable connecting rod abuts against the upper end face of the jacking frame, the left end of the movable connecting rod is provided with the extrusion block, and the extrusion block abuts against the left end of the movable connecting rod, the extrusion block is inclined plane with the one side that the removal connecting rod leaned on, and extrusion spring lever one end is installed at the inside up end of vertical frame, and extrusion spring lever other end ann changes has the extrusion block, and the cutting branch is installed to the place ahead that the inside up end of vertical frame lies in the extrusion block, and the cutting bed is installed to the below that lies in the cutting branch on the bottom frame up end.
The locking mechanism comprises a locking spring rod, a rotating block, a tensioning roller, a locking frame, a locking roller, a locking rack, a first spring rod, a limiting block, a second telescopic spring and a traction rope, wherein the locking spring rod is symmetrically arranged on the upper end surface inside the vertical rack from front to back, the rotating block is arranged on the lower end surface of the locking spring rod, the tensioning roller is arranged on the rotating block through a bearing, the locking frame is arranged on the left side of the locking spring rod on the upper end surface inside the vertical rack, the locking rack is arranged below the locking rack, one end of the first spring rod is symmetrically arranged on the lower end surface of the locking rack from front to back, the other end of the first spring rod is arranged on the upper end surface of the bottom rack, the locking roller is arranged inside the locking rack through a bearing, the limiting block is arranged on the right side of the first spring rod on the upper end surface of the bottom rack in a sliding manner, the limiting block is abutted against the locking rack, and the end surface of the locking rack is an inclined surface, no. two expanding spring one end is installed at the stopper right-hand member face, and the expanding spring other end is installed on bottom frame up end, and haulage rope one end is installed on the stopper left end face, and the haulage rope other end is installed in left rotation frame.
The processing method for forming and cutting the solvent-free polyurethane automobile leather by adopting the solvent-free polyurethane automobile leather forming and cutting processing device comprises the following steps:
firstly, leather placement: the leather is manually fixed on the winding mechanism through a locking mechanism and a cutting mechanism;
step two, leather pretreatment: the winding mechanism is started to drive the leather to move from left to right, and the leather is always in a tense state through the locking mechanism;
step three, cutting treatment: cutting the leather by a cutting mechanism in the process of moving the leather from left to right;
fourthly, sorting and collecting: the cut leather is collected and stacked through manpower or existing equipment, and the cut waste materials are collected and sorted through a winding mechanism.
Preferably, the vertical rack on be provided with two sets of guide rolls, and the guide roll longitudinal symmetry passes through the bearing and installs in vertical rack, and the gap between every guide roll of group is located same horizontal plane with the cutting bed.
Preferably, the rotating frame include rotation plectane and dwang, wherein rotation plectane center seted up the circle and led to the groove, and the circle leads to the groove diameter and collects the roller diameter the same, rotation plectane lateral wall circumference evenly is provided with the dwang.
Preferably, the cutting branch chain include rotating electrical machines, rotating disc, cutting knife, cutting spring beam and connecting block, wherein rotating electrical machines pass through the motor cabinet and install on the inside up end of vertical frame, rotating disc passes through the ring flange and installs on the rotating electrical machines output shaft, the last circumference of rotating disc has evenly seted up logical groove, the cutting knife slides and sets up inside logical groove, the cutting spring beam sets up in the cutting knife both sides, cutting spring beam one end is installed on the cutting knife, the cutting spring beam other end is installed on rotating disc, the connecting block is installed on the cutting knife up end.
Preferably, the extrusion blocks are positioned right above the connecting blocks, and the extrusion blocks are positioned on the connecting ring line between the connecting blocks.
Preferably, the cutting knife is an annular cutting tool with a cavity inside, a second spring rod is arranged inside the cavity, the length of the second spring rod in a static state is larger than the height of the cavity, and a pressing plate is arranged on the lower end face of the second spring rod.
Preferably, the shape of the cutting knife corresponding to each through groove is different.
(III) advantageous effects
1. The invention provides a solvent-free polyurethane automobile leather forming and cutting processing method, which can solve the following problems in the automobile leather processing process: in a traditional car leather course of working, because the leather does not carry out the tensioning and handles, so the leather probably is in lax state at the cutting in-process, lead to the leather to be easy to take place not hard up, the scheduling problem of knoing in the cutting process, influence the leather cutting, in b traditional car leather cutting process, because a device can only correspond a shape to the leather cutting in-process, it is required according to actual production, when the leather needs multiple shape, need change different devices and process, the cost is higher and the suitability of device is relatively poor.
2. In the cutting mechanism designed by the invention, the rotating frame is driven to intermittently rotate by the rotating motor in the winding mechanism, the leather can be cut by vertically reciprocating and extruding the cutting branched chain by the mutual matching of the jacking frame, the jacking spring rod, the movable connecting rod, the movable spring rod and the extruding block, the use of driving is reduced by the linkage among parts, meanwhile, the cutting branched chain is mutually matched with the rotating disc by the rotating motor, a proper cutting knife is moved above the cutting table according to the production requirement, and the leather with different shapes can be cut by the device, so that the shapes and types of the leather are increased, and the applicability is better.
3. The tensioning roller in the locking mechanism designed by the invention is driven by the tensioning spring rod, so that the leather is always in a tensioned state in the cutting process, the phenomenon that the leather is in a loose state to influence the cutting effect is avoided, meanwhile, the phenomenon of breaking possibly exists in the process of collecting the leather waste due to the obvious tensile deformation of the cut leather waste, and when the leather is broken, the leather can be locked by mutually matching the locking roller and the locking plate, so that the phenomenon of leather pulling back is avoided.
4. The cutting knife in the cutting branched chain designed by the invention can cut leather with different shapes in a device due to different types, the applicability is better, and the second spring rod in the cutting knife is matched with the abutting pressing plate, so that the problem that the leather moves along with the cutting knife after the cutting process is avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the internal mounting structure of the rotating disk according to the present invention;
FIG. 5 is a perspective view of the turret of the present invention;
FIG. 6 is a schematic perspective view of a jacking frame of the present invention;
fig. 7 is a schematic perspective view of a rotating disk according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, a solvent-free polyurethane automobile leather forming, cutting and processing method adopts a solvent-free polyurethane automobile leather forming, cutting and processing device, the solvent-free polyurethane automobile leather forming, cutting and processing device includes a bottom frame 1, a vertical frame 2, a winding mechanism 3, a locking mechanism 4 and a cutting mechanism 5, the winding mechanism 3 is installed on the upper end face of the bottom frame 1, the vertical frame 2 is installed on the upper end face of the bottom frame 1, which is located on the front side of the winding mechanism 3, the locking mechanism 4 and the cutting mechanism 5 are installed between the winding mechanism 3 on the upper end face of the bottom frame 1, and the locking mechanism 4 and the cutting mechanism 5 are installed between the bottom frame 1 and the vertical frame 2.
Vertical frame 2 on be provided with two sets of guide rolls, and the guide roll longitudinal symmetry passes through the bearing and installs on vertical frame 2, and the gap between every group guide roll is located same horizontal plane with cutting bed 59, can make the leather keep the level with cutting bed 59 in cutting process, avoid taking place relative movement between the leather at the removal in-process, play limiting displacement to the leather.
The winding mechanism 3 comprises a rotating frame 31, a winding roller 32, a collecting roller 33, a rotating motor 34, a rotating shaft 35 and a first expansion spring 36, wherein the rotating frame 31 is arranged at the left end and the right end of the upper end surface of the bottom frame 1, the rotating frame 31 is symmetrically arranged on the upper end surface of the bottom frame 1 in front and back directions, the rotating frame 31 positioned at the left side is arranged on the upper end surface of the bottom frame 1 in a sliding manner, the first expansion spring 36 is arranged on the left end surface of the left rotating frame 31, the other end of the first expansion spring 36 is arranged on the bottom frame 1, the rotating shaft 35 is uniformly arranged on the opposite surface of the left rotating frame 31 from top to bottom, the winding roller 32 is arranged on the rotating shaft 35 through a shaft sleeve, the rotating shaft 35 is arranged on the right rotating frame 31, the rotating motor 34 is arranged on the upper end surface of the right rotating frame 31 through a motor base, one end of the collecting roller 33 is arranged on the rotating shaft 35 through a shaft sleeve, the other end of the collecting roller 33 is mounted on an output shaft of the rotating motor 34 through a shaft sleeve, the collecting roller 33 works specifically, leather on the winding roller 32 is fixed on the collecting roller 33 through the cutting mechanism 5 and the locking mechanism 4 by manpower, the rotating motor 34 is started to drive the collecting roller 33 to rotate through the rotating shaft 35, the collecting roller 33 drives the leather to move from left to right in the rotating process, the first expansion spring 36 prevents the belt from being broken in the working process and mutually matched with the left rotating rack 31 to drive the tensioning mechanism to lock the belt, the back-pull phenomenon is avoided, and the winding roller 32 is uniformly arranged between the rotating rack 31 from top to bottom and can increase the cutting efficiency.
The locking mechanism 4 comprises a locking spring rod 41, a rotating block 42, a tensioning roller 43, a locking frame 44, a locking roller 45, a locking frame 46, a first spring rod 47, a limiting block 48, a second expansion spring 49 and a traction rope 410, wherein the locking spring rod 41 is symmetrically arranged on the upper end surface inside the vertical frame 2 from front to back, the rotating block 42 is arranged on the lower end surface of the locking spring rod 41, the tensioning roller 43 is arranged on the rotating block 42 through a bearing, the locking frame 44 is arranged on the left side of the locking spring rod 41 on the upper end surface inside the vertical frame 2, the locking frame 46 is arranged below the locking frame 44, one end of the first spring rod 47 is symmetrically arranged on the lower end surface of the locking frame 46 from front to back, the other end of the first spring rod 47 is arranged on the upper end surface of the bottom frame 1, the locking roller 45 is arranged inside the locking frame 46 through a bearing, the limiting block 48 is arranged on the right side of the first spring rod 47 on the upper end surface of the bottom frame 1 in a sliding manner, and the stopper 48 leans against the locking frame 46, wherein the end surface of the stopper 48 leaning against the locking frame 46 is an inclined surface, one end of the second expansion spring 49 is installed on the right end surface of the stopper 48, the other end of the second expansion spring 49 is installed on the upper end surface of the bottom frame 1, one end of the traction rope 410 is installed on the left end surface of the stopper 48, and the other end of the traction rope 410 is installed on the left rotating frame 31, when the leather is pulled apart, the first expansion spring 36 drives the left rotating frame 31 to move leftwards, and the traction rope 410 drives the stopper 48 to move leftwards in the moving process of the moving frame, the limiting block 48 moves leftwards, the locking rack 46 is driven to move upwards through the first spring rod 47, the locking rack 46 drives the locking roller 45 to abut against the locking rack 44 in the upwards moving process, the leather is locked, the phenomenon of pull-back after the leather is broken is avoided, and the second expansion spring 49 plays a role in resetting the limiting block 48 in the working process.
The cutting mechanism 5 comprises a rotating frame 51, a jacking frame 52, a jacking spring rod 53, a movable connecting rod 54, a movable spring rod 55, an extrusion block 56, an extrusion spring rod 57, a cutting branched chain 58 and a cutting table 59, wherein the rotating frame 51 is symmetrically arranged on the collecting roller 33 in a front-back manner through a flat key, the jacking frame 52 is arranged right above the rotating frame 51, the lower end of the jacking frame 52 is abutted against the rotating frame 51, one end of the jacking spring rod 53 is arranged on the rotating frame 31 on the right side, the other end of the jacking spring rod 53 is arranged on the jacking frame 52, the upper end face and the lower end face of the jacking frame 52 are both in an inclined structure, the movable connecting rod 54 is horizontally arranged inside the vertical frame 2, one end of the movable spring rod 55 is arranged on the upper end face inside the vertical frame 2, the other end of the movable spring rod 55 is arranged on the movable connecting rod 54, and the right end of the movable connecting rod 54 is abutted against the upper end face of the jacking frame 52, the left end of the movable connecting rod 54 is provided with an extrusion block 56, the extrusion block 56 abuts against the left end of the movable connecting rod 54, one side of the extrusion block 56 abutting against the movable connecting rod 54 is an inclined plane, one end of an extrusion spring rod 57 is installed on the upper end surface inside the vertical rack 2, the other end of the extrusion spring rod 57 is provided with the extrusion block 56 in a rotating manner, a cutting branch chain 58 is installed on the upper end surface inside the vertical rack 2 in front of the extrusion block 56, a cutting table 59 is installed on the upper end surface of the bottom rack 1 below the cutting branch chain 58, during specific work, the rotating motor 34 drives the collecting roller 33 to rotate, the collecting roller 33 simultaneously drives the rotating rack 51 to rotate, the rotating rack 51 drives the jacking rack 52 to move upwards through the jacking spring rod 53 in the rotating process, the jacking rack 52 drives the movable connecting rod 54 to move leftwards through an inclined structure in the upward moving process, wherein the movable spring rod 55 plays a role of resetting in the working process, the moving connecting rod 54 drives the extrusion block 56 to move downwards through the extrusion spring rod 57 in the process of moving leftwards, and the extrusion block 56 drives the cutting branched chain 58 to move downwards in the process of moving downwards so as to cut the leather on the cutting table 59.
The rotating frame 51 include rotation plectane 511 and dwang 512, wherein rotation plectane 511 center seted up the circle and led to the groove, and the circle leads to the groove diameter and collects the roller 33 diameter the same, rotate plectane 511 lateral wall circumference and evenly be provided with dwang 512, can realize the intermittent type extrusion to cutting branch chain 58 through with jacking frame 52, removal connecting rod 54 and extrusion piece 56, cut the leather through cutting branch chain 58.
The cutting branched chain 58 comprises a rotating motor 581, a rotating disc 582, a cutting knife 583, a cutting spring rod 584 and a connecting block 585, wherein the rotating motor 581 is installed on the upper end surface inside the vertical rack 2 through a motor base, the rotating disc 582 is installed on an output shaft of the rotating motor 581 through a flange plate, through grooves are uniformly formed in the circumferential direction of the rotating disc 582, the cutting knife 583 is arranged inside the through grooves in a sliding manner, the cutting spring rod 584 is arranged on two sides of the cutting knife 583, one end of the cutting spring rod 584 is installed on the cutting knife 583, the other end of the cutting spring rod 584 is installed on the rotating disc 582, the connecting block 585 is installed on the upper end surface of the cutting knife 583, during specific work, according to the type of the required cutting knife 583, the rotating motor 581 is started to drive the rotating disc 582 to rotate, the required cutting knife 583 is driven to move to be under the extrusion block 56, the extrusion block 56 is matched with the cutting spring rod 584 through the connecting block 585 in the downward movement process, the cutting knife 583 is driven to cut the leather at the cutting station 59.
The pressing blocks 56 are positioned right above the connecting blocks 585, and the pressing blocks 56 are positioned on the connecting ring line between the connecting blocks 585. The extrusion block 56 is ensured to be positioned right above the connecting block 585 in the downward moving process, so that the extrusion effect is more obvious.
The cutting knife 583 that each logical inslot corresponds is the shape different, can carry out the cutting of different shapes leather in same device, makes the variety of leather shape increase, and the suitability is strengthened.
The processing method for forming and cutting the solvent-free polyurethane automobile leather by adopting the solvent-free polyurethane automobile leather forming and cutting processing device comprises the following steps:
firstly, leather placement: the leather is manually fixed on the winding mechanism 3 through a locking mechanism 4 and a cutting mechanism 5;
step two, leather pretreatment: the winding mechanism 3 is started to drive the leather to move from left to right, and the leather is always in a tight state through the locking mechanism 4;
step three, cutting treatment: in the process of moving the leather from left to right, cutting the leather by a cutting mechanism 5;
step four, arranging and collecting: the cutting leather is collected and stacked through manpower or existing equipment, and the cut waste materials are collected and sorted through the winding mechanism 3.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a solvent-free polyurethane car leather shaping cutting processingequipment, this solvent-free polyurethane car leather shaping cutting processingequipment has adopted a solvent-free polyurethane car leather shaping cutting processingequipment, and this solvent-free polyurethane car leather shaping cutting processingequipment includes bottom frame (1), vertical frame (2), winding mechanism (3), locking mechanism (4) and cutting mechanism (5), its characterized in that: the winding mechanism (3) is installed on the upper end face of the bottom rack (1), the vertical rack (2) is installed on the upper end face of the bottom rack (1) and located on the front side of the winding mechanism (3), the locking mechanism (4) and the cutting mechanism (5) are arranged between the winding mechanism (3) and the upper end face of the bottom rack (1), and the locking mechanism (4) and the cutting mechanism (5) are installed between the bottom rack (1) and the vertical rack (2); wherein:
the winding mechanism (3) comprises a rotating rack (31), a winding roller (32), a collecting roller (33), a rotating motor (34), a rotating shaft (35) and a first expansion spring (36), wherein the rotating rack (31) is arranged at the left end and the right end of the upper end face of the bottom rack (1), the rotating rack (31) is symmetrically arranged on the upper end face of the bottom rack (1) from front to back, the rotating rack (31) positioned on the left side is arranged on the upper end face of the bottom rack (1) in a sliding manner, the first expansion spring (36) is arranged on the left end face of the left rotating rack (31), the other end of the first expansion spring (36) is arranged on the bottom rack (1), the rotating shaft (35) is uniformly arranged on the opposite face of the left rotating rack (31) from top to bottom, the winding roller (32) is arranged on the rotating shaft (35) through a shaft sleeve, the rotating rack (31) on the right side is provided with the rotating shaft (35), a rotating motor (34) is arranged on the upper end face of the right rotating rack (31) through a motor base, one end of a collecting roller (33) is arranged on a rotating shaft (35) through a shaft sleeve, and the other end of the collecting roller (33) is arranged on an output shaft of the rotating motor (34) through the shaft sleeve;
the cutting mechanism (5) comprises a rotating frame (51), a jacking frame (52), a jacking spring rod (53), a movable connecting rod (54), a movable spring rod (55), an extrusion block (56), an extrusion spring rod (57), a cutting branched chain (58) and a cutting table (59), wherein the rotating frame (51) is symmetrically arranged on the collecting roller (33) in front and back through flat keys, the jacking frame (52) is arranged right above the rotating frame (51), the lower end of the jacking frame (52) is abutted against the rotating frame (51), one end of the jacking spring rod (53) is arranged on the rotating frame (31) on the right side, the other end of the jacking spring rod (53) is arranged on the jacking frame (52), the upper end face and the lower end face of the jacking frame (52) are of an inclined structure, the movable connecting rod (54) is horizontally arranged in the vertical frame (2), one end of the movable spring rod (55) is arranged on the upper end face in the vertical frame (2), the other end of the movable spring rod (55) is mounted on the movable connecting rod (54), the right end of the movable connecting rod (54) abuts against the upper end face of the jacking rack (52), the left end of the movable connecting rod (54) is provided with an extrusion block (56), the extrusion block (56) abuts against the left end of the movable connecting rod (54), one side, abutted against by the extrusion block (56) and the movable connecting rod (54), is an inclined plane, one end of an extrusion spring rod (57) is mounted on the upper end face inside the vertical rack (2), the other end of the extrusion spring rod (57) is provided with the extrusion block (56), a cutting branch chain (58) is mounted on the upper end face inside the vertical rack (2) in front of the extrusion block (56), and a cutting table (59) is mounted on the upper end face of the bottom rack (1) below the cutting branch chain (58);
the locking mechanism (4) comprises a locking spring rod (41), a rotating block (42), a tensioning roller (43), a locking frame (44), a locking roller (45), a locking rack (46), a first spring rod (47), a limiting block (48), a second telescopic spring (49) and a traction rope (410), wherein the locking spring rod (41) is symmetrically arranged on the upper end surface inside the vertical rack (2) from front to back, the rotating block (42) is arranged on the lower end surface of the locking spring rod (41), the tensioning roller (43) is arranged on the rotating block (42) through a bearing, the locking frame (44) is arranged on the left side of the locking spring rod (41) on the upper end surface inside the vertical rack (2), the locking rack (46) is arranged below the locking frame (44), one end of the first spring rod (47) is symmetrically arranged on the lower end surface of the locking rack (46) from front to back, the other end of the first spring rod (47) is arranged on the upper end surface of the bottom rack (1), the locking roller (45) is installed inside the locking rack (46) through a bearing, a limiting block (48) is arranged on the right side, located on the first spring rod (47), of the upper end face of the bottom rack (1) in a sliding mode, the limiting block (48) abuts against the locking rack (46), the end face, abutted against the limiting block (48) and the locking rack (46), of the limiting block (48) is an inclined face, one end of a second expansion spring (49) is installed on the right end face of the limiting block (48), the other end of the second expansion spring (49) is installed on the upper end face of the bottom rack (1), one end of the traction rope (410) is installed on the left end face of the limiting block (48), and the other end of the traction rope (410) is installed on the left rotating rack (31);
the processing method for forming and cutting the solvent-free polyurethane automobile leather by adopting the solvent-free polyurethane automobile leather forming and cutting processing device comprises the following steps:
firstly, leather placement: the leather is manually fixed on the winding mechanism (3) through a locking mechanism (4) and a cutting mechanism (5);
step two, leather pretreatment: the winding mechanism (3) is started to drive the leather to move from left to right, and the leather is always in a tight state through the locking mechanism (4);
step three, cutting treatment: in the process of moving the leather from left to right, cutting the leather by a cutting mechanism (5);
fourthly, sorting and collecting: the cut leather is collected and stacked through manpower or existing equipment, and the cut waste materials are collected and sorted through a winding mechanism (3).
2. The solvent-free polyurethane automobile leather forming and cutting processing method as claimed in claim 1, wherein the solvent-free polyurethane automobile leather forming and cutting processing method comprises the following steps: the cutting machine is characterized in that two groups of guide rollers are arranged on the vertical rack (2), the guide rollers are vertically and symmetrically arranged on the vertical rack (2) through bearings, and gaps between every two groups of guide rollers and the cutting table (59) are located on the same horizontal plane.
3. The solvent-free polyurethane automobile leather forming and cutting processing method as claimed in claim 1, wherein the solvent-free polyurethane automobile leather forming and cutting processing method comprises the following steps: rotating turret (51) including rotation plectane (511) and dwang (512), wherein rotation plectane (511) center seted up the circle and led to the groove, and the circle leads to the groove diameter and collects roller (33) diameter the same, rotation plectane (511) lateral wall circumference evenly is provided with dwang (512).
4. The solvent-free polyurethane automobile leather forming and cutting processing method as claimed in claim 1, wherein the solvent-free polyurethane automobile leather forming and cutting processing method comprises the following steps: cutting branch chain (58) include rotating electrical machines (581), rotating disc (582), cutting knife (583), cutting spring beam (584) and connecting block (585), wherein rotating electrical machines (581) install on vertical frame (2) inside up end through the motor cabinet, rotating disc (582) is installed on rotating electrical machines (581) output shaft through the ring flange, the logical groove has evenly been seted up to circumference on rotating disc (582), cutting knife (583) slide to set up inside logical groove, cutting spring beam (584) sets up in cutting knife (583) both sides, cutting spring beam (584) one end is installed on cutting knife (583), the cutting spring beam (584) other end is installed on rotating disc (582), connecting block (585) are installed on cutting knife (583) up end.
5. The solvent-free polyurethane automobile leather forming and cutting processing method as claimed in claim 4, wherein the solvent-free polyurethane automobile leather forming and cutting processing method comprises the following steps: the extrusion blocks (56) are positioned right above the connecting blocks (585), and the extrusion blocks (56) are positioned on a connecting ring line between the connecting blocks (585).
6. The solvent-free polyurethane automobile leather forming and cutting processing method as claimed in claim 4, wherein the solvent-free polyurethane automobile leather forming and cutting processing method comprises the following steps: the cutting knife (583) is an annular cutting tool with a cavity inside, a second spring rod is arranged inside the cavity, the length of the second spring rod in a static state is larger than the height of the cavity, and a pressing plate is arranged on the lower end face of the second spring rod.
7. The solvent-free polyurethane automobile leather forming and cutting processing method as claimed in claim 4, wherein the solvent-free polyurethane automobile leather forming and cutting processing method comprises the following steps: the shape of the cutting knife (583) corresponding to each through groove is different.
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| CN105216030B (en) * | 2015-09-30 | 2017-01-25 | 国网山东济阳县供电公司 | Automatic cutting device |
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| CN108818643A (en) * | 2018-06-11 | 2018-11-16 | 江汉大学 | A kind of leather cutter |
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