CN110512430B

CN110512430B - Secondary processing method for artificial leather production

Info

Publication number: CN110512430B
Application number: CN201910827421.4A
Authority: CN
Inventors: 王本春; 顾元帅
Original assignee: Wenzhou Bole Shoes Co Ltd
Current assignee: Wenzhou Bole Shoes Co., Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-05
Anticipated expiration: 2039-09-03
Also published as: CN110512430A

Abstract

The invention relates to a secondary processing device for producing and manufacturing artificial leather, which comprises a base, a processing platform fixedly arranged in the middle of the upper end surface of the base, a fine adjustment sliding seat mechanism arranged at the upper end of the base, a pair of traction tensioning mechanisms arranged on the fine adjustment sliding seat mechanism, and an imprinting mechanism fixedly arranged on the processing platform. The secondary processing device provided by the invention can be used for carrying out three-dimensional imprinting on the cut and cut blocky artificial leather, can be used for imprinting in a state of drawing and tensioning the leather, can ensure that an imprinted pattern is expanded along with the surface of the leather, avoids the imprinted pattern from rebounding and deforming along with the elasticity of the leather, and ensures the attractiveness of the pattern and the consistency of an imprinted template pattern.

Description

Secondary processing method for artificial leather production

Technical Field

The invention relates to the technical field of leather processing, and particularly provides a secondary processing method for producing and manufacturing artificial leather.

Background

The artificial leather is made up by using various PVC and PU with different formulas and making them pass through the processes of foaming or film-covering treatment on the basis of textile fabric base or non-woven fabric base, and can be made up according to the requirements of different strength, colour, gloss and pattern, etc..

The artificial leather is primarily processed into a finished coil material, and then various secondary processing treatments such as surface painting, block cutting, pattern printing and the like can be carried out according to processing requirements so as to meet the requirements of different production and manufacturing processes.

The invention provides a secondary processing method in the production and manufacturing process of artificial leather, mainly relating to a secondary processing device for the production and manufacturing of the artificial leather, in particular to a device for carrying out three-dimensional impression on blocky leather which is cut and cut.

Disclosure of Invention

In order to solve the problems, the invention provides a secondary processing method for artificial leather production and manufacture, and also relates to a secondary processing device for artificial leather production and manufacture, which can solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a secondary processing method for producing and manufacturing artificial leather specifically comprises the following steps:

s1, slitting the leather: cutting the coiled artificial leather into leather blocks according to the preset size specification;

s2, tensioning and fixing the leather: fixing and clamping two ends of the cut blocky leather in the step S1 and performing tensioning adjustment;

s3, leather stamping: stamping the leather surface fixed and tensioned in the step S2 by using a stamping mechanism to obtain a leather finished product with a pattern;

s4, cleaning the surface of the leather finished product embossed in the step S3, and reserving for subsequent processing;

the secondary processing process of the artificial leather by adopting the processing method of the steps S1-S4 also concretely relates to a secondary processing device for the artificial leather production and manufacture, which concretely comprises a base, a processing platform fixedly arranged in the middle of the upper end surface of the base, a fine adjustment sliding seat mechanism arranged at the upper end of the base, a pair of traction tensioning mechanisms arranged on the fine adjustment sliding seat mechanism and an imprinting mechanism fixedly arranged on the processing platform, wherein the fine adjustment sliding seat mechanism comprises a pair of sliding seats, four inner supporting springs and two spring leaves, the sliding seats are arranged at two sides of the processing platform oppositely, each sliding seat is connected with the processing platform through the two inner supporting springs, the two spring leaves are arranged in parallel, one spring leaf is connected between the side ends of the same side of the two sliding seats, the other spring piece is connected between the side ends of the other same side of the two sliding seats, a vertical plate is arranged on each sliding seat, a rectangular notch is formed in the horizontal end face of each sliding seat, a pair of traction tensioning mechanisms are correspondingly arranged on the two sliding seats one by one and are arranged oppositely, each traction tensioning mechanism comprises a traction air cylinder fixedly arranged on the outer side wall of the corresponding vertical plate, a clamping base fixedly arranged at the output end of the corresponding traction air cylinder, two guide rods, two springs, a clamping roller movably arranged in the clamping base and two clamping air cylinders, the clamping base is located at the rectangular notch, the guide rods are distributed on the two sides of the traction air cylinder and are fixedly arranged on the side wall of the clamping base, the guide rods are slidably arranged on the vertical plate, the springs are sleeved outside each guide rod, and one end of each spring is fixedly connected with the clamping base, the stamping mechanism comprises two spring pieces, wherein the other end of each spring is fixedly connected with the side wall of the vertical plate, the corners of the clamping base are in arc transition, two opposite side walls on the clamping base are respectively provided with a guide groove along the arc, the clamping roller is inserted between the two guide grooves, the side wall of each guide groove on the clamping base is provided with the clamping cylinder, the output end of each clamping cylinder is fixedly connected with the end part of the corresponding clamping roller, the output direction of each clamping cylinder is along the guide direction of the corresponding guide groove, the inner horizontal end surface of the clamping base is flush with the upper end surface of the machining platform, the stamping mechanism comprises ejector rods which are arranged right above the middle parts of the two spring pieces in a one-to-one correspondence mode, and the ejector rods can press the spring pieces located below.

Preferably, the base is provided with two parallel baffles, the baffles are parallel to the vertical plate, the baffles are symmetrically distributed at the outer side positions of the two sliding seats, two sliding rails are arranged at the inner side wall close to each baffle on the base, the sliding rails are vertically arranged relative to the baffles, the sliding seats are correspondingly and slidably mounted on the two sliding rails close to the baffles, and the vertical plate can be in contact with the adjacent baffles.

Preferably, the embossing mechanism is including striding fixed mounting in mounting bracket, the vertical downward fixed mounting between two lateral walls of processing platform are in the impression cylinder, the fixed mounting of mounting bracket top central point put, die holder and the fixed mounting of impression cylinder output are in the convex die board of die holder bottom, the output of impression cylinder passes the mounting bracket, the die holder is located the below of mounting bracket, the convex die board is located directly over the processing platform, two the vertical fixed mounting of ejector pin symmetry is in the both sides of die holder.

Preferably, the lower end surface of the mounting frame is uniformly provided with four guide pillars, the end surface of the processing platform is provided with a slot corresponding to each guide pillar, and the bottom ends of the guide pillars are in contact with the inner end surfaces of the slots.

Preferably, the processing platform is provided with a clearance gap below each ejector rod.

Preferably, the bottom end of the ejector rod is of a round head structure.

The technical scheme has the following advantages or beneficial effects:

1. the invention provides a secondary processing method for producing and manufacturing artificial leather, which relates to a secondary processing device for producing and manufacturing artificial leather, mainly carries out impression processing on segmented leather, in the device, a pair of drawing and tensioning mechanisms can clamp and fix two ends of the blocky leather and realize drawing and tensioning, the block leather can be tensioned, unfolded and flatly laid on the processing platform, the pressing mechanism is convenient to press and print the leather, so that the patterns obtained by stamping can be naturally extended and unfolded, and the patterns are aligned and positioned in corresponding areas relative to the cut blocky leather, wherein in the traction tensioning mechanism, the two clamping cylinders drive the clamping rollers to realize natural clamping of the leather, which is very convenient, and the radian structures of the cylindrical clamping roller and the clamping base ensure that the clamped leather cannot generate clamping indentation.

2. The invention provides a secondary processing method for producing and manufacturing artificial leather, relating to a secondary processing device for producing and manufacturing artificial leather, the fine adjustment sliding seat mechanism arranged in the device can slightly release the tension degree of the leather pulled by the two pulling and tensioning mechanisms under the downward pressing of the mandril, namely, when the convex template slowly presses down the leather, the ejector rod also synchronously and slowly presses down the two spring pieces to make the two spring pieces bend downwards and pull the two sliding seats to slide oppositely for a short distance, thereby leading the two traction tensioning mechanisms to finely adjust and release the tension of the leather, the released tension can be used for eliminating the impression tension of the leather in the process of impression of the convex template, thereby can guarantee that the pattern that the leather formed after accomplishing the impression can not cause the deformation of pattern along with the resilience of leather self elasticity, guarantee the pleasing to the eye degree of impression pattern and the uniformity with the impression template pattern then.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a top view showing the overall construction of an apparatus for secondary processing in artificial leather production according to the present invention;

FIG. 2 is a front view showing the overall structure of an apparatus for manufacturing and secondary processing of artificial leather according to the present invention;

FIG. 3 is a side view of the overall assembly of the base, the tooling platform and the embossing mechanism of the present invention;

FIG. 4 is a top view of the tooling platform of the present invention;

fig. 5 is a side view of the clamping base, the clamping roller and the clamping cylinder assembly structure of the present invention.

In the figure: 1. a base; 11. a baffle plate; 12. a slide rail; 2. a processing platform; 21. a slot; 22. avoiding gaps; 3. a fine adjustment sliding seat mechanism; 31. a sliding seat; 311. a vertical plate; 312. a rectangular notch; 32. an inner supporting spring; 33. a spring plate; 4. a traction tensioning mechanism; 41. a drawing cylinder; 42. clamping the base; 421. a guide groove; 43. a guide bar; 44. a spring; 45. a pinch roller; 46. a clamping cylinder; 5. a stamping mechanism; 51. a mounting frame; 511. a guide post; 52. an embossing cylinder; 53. a die holder; 531. a top rod; 54. and (4) a convex template.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

Referring to the attached drawings 1-5, the secondary processing method for artificial leather production and manufacture specifically comprises the following steps:

s3, leather stamping: stamping the leather surface fixed and tensioned in the step S2 by using a stamping mechanism 5 to obtain a leather finished product with a pattern;

the secondary processing process of the artificial leather by adopting the processing method of the steps S1-S4 also relates to a secondary processing device for the artificial leather production and manufacture, which concretely comprises a base 1, a processing platform 2 fixedly arranged in the middle of the upper end surface of the base 1, a fine adjustment sliding seat mechanism 3 arranged at the upper end of the base 1, a pair of traction tensioning mechanisms 4 arranged on the fine adjustment sliding seat mechanism 3 and a stamping mechanism 5 fixedly arranged on the processing platform 2, wherein the fine adjustment sliding seat mechanism 3 comprises a pair of sliding seats 31 arranged at the upper end of the base 1 in a sliding way, four inner supporting springs 32 and two spring strips 33, the pair of sliding seats 31 are oppositely arranged at two sides of the processing platform 2, each sliding seat 31 is connected with the processing platform 2 through the two inner supporting springs 32, the two spring strips 33 are arranged in parallel, one spring strip 33 is connected between the side ends of the same side of the two sliding seats 31, the other spring plate 33 is connected between the side ends of the other same side of the two sliding seats 31, the connection position of the spring plate 33 is hinged by a pin shaft, the sliding seat 31 is provided with a vertical plate 311, the horizontal end surface of the sliding seat 31 is provided with a rectangular notch 312, a pair of traction tensioning mechanisms 4 are correspondingly arranged on the two sliding seats 31 one by one and are oppositely arranged, each traction tensioning mechanism 4 comprises a traction cylinder 41 fixedly arranged on the outer side wall of the vertical plate 311 through a screw, a clamping base 42 fixedly arranged at the output end of the traction cylinder 41 through a screw, two guide rods 43, two springs 44, a clamping roller 45 movably arranged in the clamping base 42 and two clamping cylinders 46, the clamping base 42 is positioned at the rectangular notch 312, the guide rods 43 are symmetrically distributed on the two sides of the traction cylinder 41 and are fixedly arranged on the side wall of the clamping base 42, the guide rods 43 are slidably arranged on the vertical, one end of the spring 44 is fixedly connected with the clamping base 42, the other end of the spring 44 is fixedly connected with the side wall of the vertical plate 311, the corner of the clamping base 42 is in arc transition (the shape of the clamping base 42 can be seen in figure 2), two opposite side walls on the clamping base 42 are provided with guide grooves 421 along the arc radial direction, the clamping roller 45 is inserted between the two guide grooves 421, the side walls on the clamping base 42 provided with the guide grooves 421 are provided with clamping cylinders 46, the output ends of the clamping cylinders 46 are fixedly connected with the end parts of the clamping rollers 45, the output direction of the clamping cylinders 46 is along the guide direction of the guide grooves 421, the inner horizontal end surface of the clamping base 42 is flush with the upper end surface of the processing platform 2, the stamping mechanism 5 comprises push rods 531 which are correspondingly arranged right above the middle parts of the two spring pieces 33, and the push rods 531 can push the. Before the stamping of the step 3, the cut blocky leather needs to be tensioned and fixed in the step 2, specifically, the blocky leather sequentially passes through a gap between two clamping rollers 45 and a clamping base 42, then the clamping rollers 45 are driven by two clamping cylinders 46 in each traction tensioning mechanism 4 to clamp the blocky leather part at the gap, at the moment, the blocky leather is clamped between the two clamping rollers 45 but in a loose state, then the traction cylinders 41 on the two traction tensioning mechanisms 4 respectively pull the clamping bases 42 to enable the two clamping bases 42 to move back and forth, so that the blocky leather is tensioned, and the tensioned blocky leather is convenient to be subjected to the next stamping operation.

Further, be equipped with two parallel arrangement's baffle 11 on base 1, baffle 11 is parallel with riser 311, and baffle 11 symmetric distribution all is provided with two slide rails 12 in the inside wall department of pasting closely every baffle 11 in the outside position of two sliding seat 31, base 1, and the relative baffle 11 of slide rail 12 sets up perpendicularly, and sliding seat 31 corresponds slidable mounting on pasting closely two slide rails 12 in baffle 11 department, and riser 311 can contact with the baffle 11 that is close to. The baffle plate 11 is arranged to limit the position of the two sliding seats 31, and the vertical plate 311 can contact the baffle plate 11 due to the elastic force of the internal supporting spring 32 and the spring piece 33, because the pulling cylinder 41 is fixedly arranged on the vertical plate 311, the baffle plate 11 can provide pulling support when the pulling cylinder 41 pulls the clamping base 42.

Further, the stamping mechanism 5 includes a mounting frame 51 which is fixedly mounted between two outer side walls of the processing platform 2 through bolts in a crossing manner, a stamping cylinder 52 which is fixedly mounted at the central position of the top of the mounting frame 51 through screws vertically downward, a die holder 53 which is fixedly mounted at the output end of the stamping cylinder 52 through welding and a convex die plate 54 which is fixedly mounted at the bottom end of the die holder 53 through screws, the crossing direction of the mounting frame 51 is vertical to the sliding direction of the sliding seat 31, the output end of the stamping cylinder 52 passes through the mounting frame 51, the die holder 53 is located below the mounting frame 51, the convex die plate 54 is located right above the processing platform 2, two ejector rods 531 are symmetrically and vertically and fixedly mounted at two sides of the die holder 53, and the processing platform 2 is provided with avoidance notches 22. The convex template 54 is provided with imprinting patterns, the corresponding convex template 54 can be detached and replaced according to different imprinting patterns, the ejector rods 531 can pass through the lower avoidance notches 22, the block leather which is fixedly tensioned can be imprinted in the imprinting mechanism 5, specifically, the imprinting cylinder 52 drives the die holder 53 to move downwards, so that the convex template 54 is driven to press downwards, the convex patterns in the convex template 54 are pressed into the leather to complete imprinting, in order to avoid indentation of the edge of the convex template 54 on the leather, the downward pressing stroke of the convex template 54 is until the non-convex pattern part just contacts the leather, the two ejector rods 531 also move downwards along with the die holder 53 in the downward pressing process of the convex template 54, the two ejector rods 531 respectively press the spring piece 33 which is positioned below downwards, the spring piece 33 is slightly bent downwards (the ejector rods 531 are designed to be reasonable length according to specific processing conditions, when the convex template 54 reaches the maximum downward pressing stroke, the ejector rods 531 only slightly press the spring piece 33) So that the two sliding seats 31 will be pulled by the two ends of the spring plate 33 to slide centrally along the sliding rail 12 for a small distance (which can be measured by the actual sliding distance) to the middle, so that the two pulling and tensioning mechanisms 4 will slightly release a certain tension to the tensioned leather for matching with the imprinting of the convex template 54, because the leather under the convex template 54 will be slightly pressed and tensioned during the imprinting process, and the released tension is used for eliminating the pressing and tensioning force, so that the pattern of the imprinted leather will not generate rebound deformation along with the elasticity of the leather.

Furthermore, the lower end surface of the mounting frame 51 is uniformly provided with four guide posts 511, the end surface of the processing platform 2 is provided with a slot 21 corresponding to each guide post 511, and the bottom ends of the guide posts 511 contact with the inner end surface of the slot 21. The bottom end of the guide post 511 is not fixedly connected, but the slot 21 can provide a lower end limit support, so as to facilitate the dismounting of the die holder 53.

Further, the bottom end of the top bar 531 is round-headed. The round head structure is designed to make better contact with the stem 531 when the spring plate 33 is bent downward. A

The invention provides a secondary processing method for artificial leather production and manufacture, mainly providing a secondary processing device for artificial leather production and manufacture related to the secondary processing method, further, the working principle and the working process of the secondary processing device for artificial leather production and manufacture provided by the invention are as follows:

the leather which is cut into blocks in step S1 is tensioned and fixed in step S2. in the present apparatus, the leather blocks are sequentially inserted into the gaps between the two clamping rollers 45 and the clamping base 42, then the clamping cylinders 46 at the two ends of the clamping rollers 45 clamp the two ends of the leather, then the two clamping bases 42 are driven by the two pulling cylinders 41 respectively to move the two clamping bases 42 back and forth, so as to tension the clamped leather, then the embossing cylinder 52 drives the embossing plate 54 to press down, the embossing plate 54 embosses the leather which is tensioned and laid on the processing platform 2, and then the two clamping rollers 45 can be released to take down the embossed leather.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. A secondary processing method for producing and manufacturing artificial leather is characterized in that: the secondary processing method specifically comprises the following steps:

s3, leather stamping: stamping the leather surface fixed and tensioned in the step S2 by using a stamping mechanism (5) to obtain a stamped leather finished product with patterns;

adopt the processing method of above-mentioned step S1-S4 to produce the secondary working process when making artificial leather and still specifically involve an artificial leather production and make secondary processingequipment, it specifically includes base (1), fixed mounting in processing platform (2) of base (1) up end middle part, set up fine setting sliding seat mechanism (3) of base (1) upper end, set up a pair of tractive straining device (4) on fine setting sliding seat mechanism (3) and fixed mounting in impression mechanism (5) on processing platform (2), fine setting sliding seat mechanism (3) include a pair of slidable mounting slide holder (31), four internal stay springs (32) and two spring pieces (33) of base (1) upper end, it is a pair of slide holder (31) relative arrangement be in the both sides of processing platform (2), every slide holder (31) through two internal stay springs (32) with processing platform (2) link to each The two spring pieces (33) are arranged in parallel, one of the spring pieces (33) is connected between the side ends of the same sides of the two sliding seats (31), the other spring piece (33) is connected between the side ends of the other same sides of the two sliding seats (31), a vertical plate (311) is arranged on each sliding seat (31), a rectangular notch (312) is arranged at the horizontal end face of each sliding seat (31), a pair of traction tensioning mechanisms (4) are correspondingly arranged on the two sliding seats (31) one by one and are arranged oppositely, each traction tensioning mechanism (4) comprises a traction cylinder (41) fixedly arranged on the outer side wall of each vertical plate (311), a clamping base (42) fixedly arranged at the output end of each traction cylinder (41), two guide rods (43), two springs (44), a clamping roller (45) movably arranged in the clamping base (42) and two clamping cylinders (46), the clamping base (42) is located at the rectangular notch (312), the guide rods (43) are distributed on two sides of the drawing cylinder (41) and fixedly mounted on the side wall of the clamping base (42), the guide rods (43) are slidably mounted on the vertical plate (311), the spring (44) is sleeved outside each guide rod (43), one end of the spring (44) is fixedly connected with the clamping base (42), the other end of the spring (44) is fixedly connected with the side wall of the vertical plate (311), the corner of the clamping base (42) is in arc transition, two opposite side walls of the clamping base (42) are respectively provided with a guide groove (421) along the radial direction of the arc, the clamping roller (45) is inserted between the two guide grooves (421), and the clamping cylinder (46) is mounted on the side wall of the guide groove (421) on the clamping base (42), the output of die clamping cylinder (46) with the tip fixed connection of pinch roller (45), the output direction of die clamping cylinder (46) is followed the direction of guide way (421), the interior horizontal terminal surface of pressing from both sides base (42) with the up end of processing platform (2) flushes, impressing mechanism (5) include that the one-to-one sets up two ejector pin (531) directly over spring leaf (33) middle part, ejector pin (531) can push down and be located the below spring leaf (33).

2. The secondary processing method for artificial leather production and manufacture as claimed in claim 1, wherein the secondary processing method comprises the following steps: the base (1) is provided with two baffles (11) which are arranged in parallel, the baffles (11) are parallel to the vertical plate (311), the baffles (11) are symmetrically distributed at the outer side positions of the two sliding seats (31), the base (1) is provided with two sliding rails (12) at the positions close to the inner side walls of the baffles (11), the sliding rails (12) are arranged vertically relative to the baffles (11), the sliding seats (31) are correspondingly and slidably mounted at the positions close to the baffles (11) on the two sliding rails (12), and the vertical plate (311) can be in contact with the adjacent baffles (11).

3. The secondary processing method for artificial leather production and manufacture as claimed in claim 1, wherein the secondary processing method comprises the following steps: impression mechanism (5) including span fixed mounting be in mounting bracket (51), vertical downward fixed mounting between two lateral walls of processing platform (2) are in impression cylinder (52), the fixed mounting of mounting bracket (51) top central point put impression cylinder (52), fixed mounting be in the die holder (53) and the fixed mounting of impression cylinder (52) output are in convex template (54) of die holder (53) bottom, the output of impression cylinder (52) passes mounting bracket (51), die holder (53) are located the below of mounting bracket (51), convex template (54) are located directly over processing platform (2), two the vertical fixed mounting of ejector pin (531) symmetry is in the both sides of die holder (53).

4. The secondary processing method for artificial leather production and manufacture as claimed in claim 3, wherein the secondary processing method comprises the following steps: the lower end face of the mounting frame (51) is uniformly provided with four guide pillars (511), the end face of the processing platform (2) is provided with a slot (21) corresponding to each guide pillar (511), and the bottom ends of the guide pillars (511) are in contact with the inner end face of the slot (21).

5. The secondary processing method for artificial leather production and manufacture as claimed in claim 1, wherein the secondary processing method comprises the following steps: and an avoiding notch (22) is arranged at the position below each ejector rod (531) on the processing platform (2).

6. The secondary processing method for artificial leather production and manufacture as claimed in claim 1, wherein the secondary processing method comprises the following steps: the bottom end of the ejector rod (531) is of a round head structure.