Leather hot-pressing forming machine

Abstract

The utility model relates to the related field of leather processing, in particular to a leather hot-pressing forming machine which comprises a supporting frame, a power roller, a guide roller, a lifting frame, a rotating frame, a hot-pressing roller, a first motor, a second motor, a positioning mechanism and the like. According to the leather hot-pressing device, the rotating frame and the multiple hot-pressing rollers are arranged in the lifting frame, the rotating frame is driven by the first motor to rotate, so that the rotating frame drives the hot-pressing rollers to rotate, different hot-pressing rollers directly face the power roller, and the different hot-pressing rollers are matched with the power roller to carry out hot-pressing treatment on leather; corresponding hot pressing rollers are used for different types of leather, it can be guaranteed that the leather can obtain the best hot pressing effect, the product quality is improved, the hot pressing rollers are replaced more quickly, the working efficiency is improved, meanwhile, the hot pressing rollers are used alternately, excessive abrasion of a single hot pressing roller caused by long time is reduced, and the service life of the hot pressing rollers is prolonged. And the service life of equipment is prolonged, and the practicability of the hot-pressing forming machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to related field of leather processing especially relates to a leather hot press forming machine. BACKGROUND

[0002] Leather is a kind of material obtained by processing animal skin (such as cowhide, sheepskin etc.), which has the characteristics of durability, softness and good air permeability, and is widely used in manufacturing various products, such as shoes, clothes, handbags, furniture, etc. However, with the increasing awareness of environmental protection, many artificial leathers or synthetic leathers made from plant materials have appeared on the market. These substitutes aim to reduce the impact on the environment while meeting the needs of consumers. Some artificial leathers or synthetic leathers need to be processed through hot pressing process to obtain specific texture, color and other appearance characteristics. The leather after hot pressing treatment can effectively improve its physical properties such as wear resistance and water resistance.

[0003] The existing patent with publication number CN217265819U discloses a leather production embossing roller hot pressing equipment, which adopts a hot pressing mechanism to solve the hot pressing problem of the leather production embossing roller hot pressing equipment and achieves the hot pressing effect of the leather production embossing roller hot pressing equipment.

[0004] The existing patent only has one hot pressing roller during the process of hot pressing treatment of leather. The single hot pressing roller cannot meet the best hot pressing effect of all types of leather. For example, different leathers may have different material and texture requirements. The single hot pressing roller cannot optimize the treatment according to these differences, which may affect the quality of leather products. Temporarily replacing the hot pressing roller may increase the workload of workers and reduce work efficiency. Long-term use of the same hot pressing roller for hot pressing work may accelerate its wear and tear, shorten its service life and reduce the practicality of the hot press forming machine. SUMMARY

[0005] Therefore, in order to solve the above problems, the utility model provides a leather hot press forming machine to solve the above technical problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a leather hot press forming machine, comprising a support frame, a power roller rotatably installed in the support frame, a second motor installed on the side surface of the support frame, one guide roller is arranged on the left and right sides of the power roller respectively, both guide rollers are rotatably connected with the inner side of the support frame, the output shaft of the second motor passes through the side surface of the support frame and is coaxially connected with the power roller, an adjusting cylinder is installed on the top of the support frame, a lifting frame is arranged above the power roller, a rotating frame is arranged in the lifting frame, the rotating frame is rotatably connected with the inner side of the lifting frame through a rotating shaft, and a plurality of hot pressing rollers are rotatably installed in the rotating frame in the form of equidistant annular distribution, wherein the lowermost hot pressing roller is located directly above the power roller.

[0007] The side surface of the lifting frame is provided with a first motor;

[0008] The lifting frame is provided with a positioning mechanism for positioning the rotating frame;

[0009] The piston rod of the adjusting cylinder is connected to the lifting frame after penetrating through the top end surface of the support frame;

[0010] The output shaft of the first motor is coaxially connected to the rotating shaft after penetrating through the side surface of the lifting frame.

[0011] Preferably, the support frame is provided with two adjusting cylinders, and the piston rods of the two adjusting cylinders are respectively connected to the top front and rear ends of the lifting frame.

[0012] Preferably, the inner top of the support frame is provided with a laser ranging sensor, and the laser ranging sensor is located directly above the lifting frame.

[0013] Preferably, the outer surface of the hot-pressing roller protrudes from the outer surface of the rotating frame, and the bottom end surface of the lowermost hot-pressing roller is lower than the bottom end surfaces of the lifting frame and the rotating frame.

[0014] Preferably, the positioning mechanism comprises an extension frame mounted on the side surface of the lifting frame, a micro-cylinder fixed in the extension frame, and a plurality of positioning grooves arranged in a ring shape at equal intervals and formed in the side surface of the rotating frame, the extension frame and the first motor are respectively located on the opposite ends of the lifting frame, a transmission plate is mounted on the piston rod of the micro-cylinder, a plurality of positioning rods arranged in a ring shape at equal intervals are mounted on the end of the transmission plate away from the micro-cylinder, each positioning rod is inserted into each positioning groove in a one-to-one correspondence after penetrating through the side surface of the lifting frame, and the number of the positioning grooves is consistent with the number of the hot-pressing rollers.

[0015] Preferably, the positioning mechanism further comprises an angle sensor mounted on the inner front end of the lifting frame, and the detection end of the angle sensor is connected to the front end of the rotating shaft.

[0016] Preferably, the end of the transmission plate away from the positioning rods is spaced from the inner side of the extension frame when the piston rod of the micro-cylinder is in a fully extended state, and the spacing is greater than the inner side depth of the positioning grooves.

[0017] The present application has the following beneficial effects:

[0018] The utility model discloses a rotatable frame and multiple hot pressing rollers are arranged in the lifting frame, the rotatable frame is driven to rotate through the first motor, the rotatable frame drives the hot pressing roller to rotate, thereby realizing that different hot pressing rollers are opposite the power roller, and the different hot pressing rollers are used with the power roller to carry out hot pressing treatment to the leather, corresponding hot pressing rollers are used for different types of leather, can ensure that the leather can obtain the best hot pressing effect, improves product quality, and the replacement of hot pressing roller is more quick, is favorable for improving work efficiency, and the rotation of each hot pressing roller also reduces the excessive wear of single hot pressing roller for a long time, helps prolonging the service life of equipment, improves the practicability of hot press forming machine. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the hot press forming machine front view sectional structure schematic diagram of the utility model,

[0020] Figure 2 It is the hot press forming machine side view sectional structure schematic diagram of the utility model,

[0021] Figure 3 It is the Figure 2 Structure amplification schematic diagram of A place in the middle,

[0022] Figure 4 It is the positioning rod side view distribution structure schematic diagram of the utility model,

[0023] Figure 5 It is the rotatable frame structure schematic diagram of the utility model.

[0024] Among them: support frame -1, power roller -2, guide roller -3, lifting frame -4, rotatable frame -5, pivot -6, hot pressing roller -7, adjusting cylinder -8, laser ranging sensor -9, first motor -10, second motor -11, positioning mechanism -12, extension frame -121, micro air cylinder -122, transmission plate -123, positioning rod -124, positioning groove -125. DETAILED DESCRIPTION

[0025] In order to further explain the technical scheme of the utility model, the following is in detail by specific embodiment.

[0026] As Figure 1 The utility model discloses a leather hot press forming machine, including support frame 1, the power roller 2 of rotation installation in support frame 1, the second motor 11 of locking fixed in the rear end surface of support frame 1, the left and right sides of power roller 2 each is provided with a guide roller 3 for guiding conveying leather, two guide rollers 3 all with support frame 1 inside rotation connection, the output shaft of second motor 11 passes through the side surface of support frame 1 and is connected with power roller 2 coaxially, the rotation of power roller 2 is driven through second motor 11, and support frame 1 left and right ends are through to convey the leather product to be hot pressed.

[0027] As shown in Figure 1 and Figure 2 shown, the top of the support frame 1 is vertically mounted with an adjusting cylinder 8, the upper part of the power roller 2 is provided with a lifting frame 4, the lifting frame 4 can move vertically up and down in the support frame 1 to adjust the distance with the power roller 2, the lifting frame 4 is provided with a rotating frame 5, the rotating frame 5 is rotatably connected with the inner side of the lifting frame 4 through a rotating shaft 6, the rotating shaft 6 can drive the rotating frame 5 to rotate in the lifting frame 4 to adjust the position of different hot pressing rollers 7, and a plurality of hot pressing rollers 7 are rotatably installed in the rotating frame 5 and are distributed in an equidistant annular manner, wherein the lowermost hot pressing roller 7 is located directly above the power roller 2 to cooperate with the power roller 2 to perform hot pressing treatment on the leather through the lowermost hot pressing roller 7;

[0028] The rear end surface of the lifting frame 4 is locked and fixed with a first motor 10;

[0029] The lifting frame 4 is provided with a positioning mechanism 12 for positioning the rotating frame 5;

[0030] The piston rod of the adjusting cylinder 8 passes through the top end surface of the support frame 1 and is connected to the lifting frame 4;

[0031] The output shaft of the first motor 10 passes through the side surface of the lifting frame 4 and is coaxially connected with the rotating shaft 6;

[0032] Among them, two adjusting cylinders 8 are installed on the support frame 1, the piston rods of the two adjusting cylinders 8 are respectively connected to the top front and rear ends of the lifting frame 4, so as to stably control the vertical up and down movement of the lifting frame 4 through the two adjusting cylinders 8;

[0033] Among them, the outer surface of the hot pressing roller 7 protrudes from the outer surface of the rotating frame 5, and the bottom end surface of the lowermost hot pressing roller 7 is lower than the bottom end surfaces of the lifting frame 4 and the rotating frame 5, so that the lowermost hot pressing roller 7 can stably contact the leather;

[0034] In the embodiment, a laser ranging sensor 9 is installed on the inner top of the support frame 1, the laser ranging sensor 9 is located directly above the lifting frame 4, the laser ranging sensor 9 calculates the distance of the lifting frame 4 by emitting a laser beam and receiving the reflected light beam, so as to judge the height of the lifting frame 4, and indirectly judge the distance between the hot pressing roller 7 in the lifting frame 4 and the power roller 2;

[0035] As shown in Figures 3 to 5 , the positioning mechanism 12 in the embodiment includes an extension frame 121 installed on the front end surface of the lifting frame 4, a micro cylinder 122 fixed in the extension frame 121, and a plurality of positioning grooves 125 arranged in an equidistant annular manner and opened in the front end surface of the rotating frame 5;

[0036] The extension frame 121 and the first motor 10 are respectively located at the front and rear ends of the lifting frame 4, the rear end of the piston rod of the micro cylinder 122 is provided with a transmission plate 123, the rear end of the transmission plate 123 is provided with a plurality of positioning rods 124 which are distributed in a ring shape at equal intervals, each positioning rod 124 is movably inserted into a corresponding positioning groove 125 through the side surface of the lifting frame 4, and the number of the positioning grooves 125 is consistent with the number of the hot pressing rollers 7;

[0037] When the piston rod of the micro cylinder 122 is in a fully extended state, the front end surface of the transmission plate 123 is provided with a spacing from the inner side of the front end of the extension frame 121, and the spacing is greater than the inner side depth of the positioning groove 125, so as to facilitate the forward movement of the transmission plate 123 driven by the micro cylinder 122, and then the positioning rod 124 is separated from the positioning groove 125 driven by the transmission plate 123;

[0038] The positioning mechanism 12 in the embodiment further comprises an angle sensor 125 installed at the inner side of the front end of the lifting frame 4, the detection end of the angle sensor 125 is connected with the front end of the rotating shaft 6, so as to facilitate the checking of the rotation angle of the rotating shaft 6 by the angle sensor 125, thereby judging the rotation angle of the rotating frame 5, and judging the hot pressing roller 7 which is opposite to the power roller 2;

[0039] Specifically, when in use, the leather product coated with a coating or the leather product with multiple layers of lamination is placed between the guide roller 3 and the hot pressing roller 7, the hot pressing roller 7 and the second motor 11 are started, the second motor 11 drives the power roller 2 to rotate to convey the leather product, and the leather product is hot-pressed during the conveying process;

[0040] When the leather products with different thicknesses need to be hot-pressed, the lifting frame 4 is vertically moved by controlling the starting of the adjusting cylinder 8, the lifting frame 4 drives the hot pressing roller 7 to move vertically, the position of the lifting frame 4 is detected by the laser ranging sensor 9, and then the position of the hot pressing roller 7 is detected, so as to judge the spacing between the hot pressing roller 7 and the power roller 3, and when the spacing between the hot pressing roller 7 and the power roller 3 is suitable for the thickness of the leather product, the adjusting cylinder 8 is stopped to work, so that the leather hot pressing forming machine can hot-press the leather products with different thicknesses;

[0041] When different hot pressing rollers 7 are needed to process different leather products, the micro pneumatic cylinder 122 is started to drive the transmission plate 123 and the positioning rod 124 to move forward, the positioning rod 124 is moved forward to disengage from the positioning groove 125, then the first motor 10 is started to drive the rotating shaft 6 to rotate, the rotating shaft 6 drives the rotating frame 5 and each hot pressing roller 7 to rotate, and the rotating angle of the rotating frame 5 is detected by the angle sensor 126, and the rotating frame 5 rotates different angles, and the hot pressing roller 7 corresponding to the angle is opposite to the power roller 2, when the corresponding hot pressing roller 7 is opposite to the power roller 2, the first motor 10 is stopped, the micro pneumatic cylinder 122 drives the transmission plate 123 and the positioning rod 124 to move backward, the positioning rod 124 moves backward into the positioning groove 125, the rotating frame 5 and the hot pressing roller 7 are positioned by the cooperation of the positioning rod 124 and the positioning groove 125, the rotating frame 5 is prevented from being randomly deviated, and the stability of the hot pressing roller 7 is improved, and different hot pressing rollers 7 cooperate with the power roller 2 to provide hot pressing processing for different leather products, so that the hot pressing forming machine has a wider range of adaptation, and the quality of the leather after hot pressing is improved.

[0042] The above only provides preferred examples of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A leather hot press forming machine, comprising a support frame, a power roller rotatably installed in the support frame, a second motor installed on a side surface of the support frame, one guide roller arranged on each of left and right sides of the power roller, both of the guide rollers being rotatably connected to the inner side of the support frame, and an output shaft of the second motor being coaxially connected to the power roller after penetrating through the side surface of the support frame. characterized in that A regulating cylinder is installed on the top of the support frame, a lifting frame is arranged above the power roller, a rotating frame is arranged in the lifting frame, the rotating frame is rotatably connected to the inner side of the lifting frame through a rotating shaft, and a plurality of hot press rollers are rotatably installed in the rotating frame in a ring shape at equal intervals, wherein the lowermost hot press roller is located directly above the power roller. A first motor is installed on the side surface of the lifting frame. A positioning mechanism for positioning the rotating frame is arranged on the lifting frame. A piston rod of the regulating cylinder is connected to the lifting frame after penetrating through the top end surface of the support frame. An output shaft of the first motor is coaxially connected to the rotating shaft after penetrating through the side surface of the lifting frame.

2. A machine for hot forming of leather according to claim 1, characterized in that: Two regulating cylinders are installed on the support frame, and the piston rods of the two regulating cylinders are respectively connected to the top front and rear ends of the lifting frame.

3. The machine according to claim 1, characterized in that: A laser ranging sensor is installed on the inner top of the support frame, and the laser ranging sensor is located directly above the lifting frame.

4. The machine according to claim 1, characterized in that: The outer surface of the hot press roller protrudes from the outer surface of the rotating frame, and the bottom end surface of the lowermost hot press roller is lower than the bottom end surfaces of the lifting frame and the rotating frame.

5. The machine according to claim 1, characterized in that: The positioning mechanism comprises an extension frame installed on the side surface of the lifting frame, a micro-cylinder fixed in the extension frame, and a plurality of positioning grooves arranged in a ring shape at equal intervals and opened on the side surface of the rotating frame, the extension frame and the first motor are respectively arranged on the opposite ends of the lifting frame, a transmission plate is installed on the piston rod of the micro-cylinder, a plurality of positioning rods arranged in a ring shape at equal intervals are installed on the end of the transmission plate away from the micro-cylinder, each positioning rod is inserted into each positioning groove in a one-to-one correspondence after penetrating through the side surface of the lifting frame, and the number of the positioning grooves is consistent with the number of the hot press rollers.

6. A leather thermoforming machine according to claim 5, characterized in that: The positioning mechanism further comprises an angle sensor installed on the front end of the inner side of the lifting frame, and the detection end of the angle sensor is connected to the front end of the rotating shaft.

7. The machine according to claim 5, characterized in that: When the piston rod of the micro-cylinder is in a fully extended state, the end of the transmission plate away from the positioning rod is spaced from the inner side of the extension frame, and the spacing is greater than the inner side depth of the positioning groove.

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