Stretching and flattening device for leather production

Abstract

The utility model relates to the technical field of leather production, and provides a stretching and leveling device for leather production, which comprises a rack and a transverse frame, the transverse frame is arranged at the top of the rack, an unfolding component is arranged on the transverse frame and the rack, a leveling component is arranged on the transverse frame, and the unfolding component comprises a pair of telescopic cylinders. The telescopic cylinders are fixed to the two sides of the surface of the rack respectively, the output ends of the telescopic cylinders are connected with the transverse frame, and the two sides of the transverse frame are rotationally connected with rotating frames through pin shafts. By means of the technical scheme, the problems that according to some stretching and leveling devices for leather production in the related technology, the distance of a heating assembly cannot be adjusted, so that the heating temperature is changed, leather is prone to being damaged, the standard reaching rate is low after leather leveling, and the existing stretching and leveling devices for leather production cannot adjust the distance are solved. And one machine can only stretch and flatten the leather of the same specification, so that the cost is high, and the production and use are inconvenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to leather production technical field, specifically, relate to a leather production is with drawing flat device. BACKGROUND

[0002] Leather is the animal skin that has been denatured not easy to rot through the physical, chemical processing such as unhairing and tanning. Leather is made of natural protein fiber in three-dimensional space tight weave, and its surface has a special grain layer, with natural grain and luster, comfortable hand feeling. In the process of human evolution, people found that some plant juices or mineral oil has certain tannery on leather, rawhide through the soaking of juice, more breathable, antiseptic, so that the board quality has softness, tear resistance, bending resistance and other physical and chemical properties. Before the production of leather products, the leather to be processed needs to be flattened to ensure the surface is flat and wrinkle-free, and the quality of the produced leather is good. However, the current leather flattening device has unsatisfactory flattening effect on leather, which cannot meet the actual production and processing needs. The existing leather production drawing flattening device cannot adjust the distance of the heating assembly, thereby changing the heating temperature, which is easy to cause damage to the leather, and the pass rate of the leather after flattening is low. Moreover, the existing leather production drawing flattening device can only stretch and flatten leather of the same specification with one machine, resulting in high cost and inconvenience in production and use.

[0003] Therefore, the above problems are improved. UTILITY MODEL CONTENTS

[0004] The utility model provides a leather production drawing flattening device, which solves the problem of the leather production drawing flattening device in related art, the heating assembly cannot adjust the distance, thereby changing the heating temperature, which is easy to cause damage to the leather, and the pass rate of the leather after flattening is low. Moreover, the existing leather production drawing flattening device can only stretch and flatten leather of the same specification with one machine, resulting in high cost and inconvenience in production and use.

[0005] The technical scheme of the utility model is as follows: including

[0006] A rack and a crosspiece, the crosspiece is arranged on the top of the rack;

[0007] An unfolding assembly is arranged on the crosspiece and the rack;

[0008] A leveling assembly is arranged on the crosspiece;

[0009] The unfolding assembly includes a pair of telescopic cylinders, a pair of the telescopic cylinders are respectively fixed on the two sides of the surface of the rack, the output end of the telescopic cylinder is connected with the crosspiece, and the two sides of the crosspiece are rotatably connected with rotating frames through pin shafts.

[0010] As a further technical solution, the lower end of the rotating frame is connected with a pushing flat frame, a pair of supporting rods are arranged on the top of the cross frame, springs are connected between the pushing flat frame and the supporting rods, a pair of second air cylinders are arranged at the bottom of the rack, and a pressing frame is connected to the output end of the second air cylinders.

[0011] As a further technical solution, the leveling assembly comprises a driving lead screw, the driving lead screw is installed in the cross frame, the driving lead screw is controlled to rotate by a motor, and a pair of sliding channels are arranged in the cross frame.

[0012] As a further technical solution, a moving seat is slidably connected to the sliding channel, the moving seat is connected to the driving lead screw through thread cooperation, a third air cylinder is arranged at the bottom of the moving seat, and a bottom frame is connected to the output end of the third air cylinder.

[0013] As a further technical solution, a pair of telescopic rods are connected between the bottom frame and the moving seat, a hot flat roller is rotatably connected in the bottom frame, and the hot flat roller is driven to rotate by a motor.

[0014] As a further technical solution, the bottom of the pushing flat frame is an arc-shaped structure, and the pushing flat frame and the rotating frame are both hollow structures.

[0015] As a further technical solution, the rotating frame has a certain inclination angle relative to the cross frame.

[0016] As a further technical solution, the pressing frame is located directly below the cross frame, and the pressing frame has a U-shaped structure as a whole.

[0017] The working principle and beneficial effects of the utility model are as follows:

[0018] 1. The utility model discloses a spreading assembly, through the interaction of telescopic cylinders, rotating frames, pushing flat frames, supporting rods, springs and pressing frames, two pushing flat frames are pressed on the surface of leather, and gradually move outward along with the height of the pushing flat frame, and the pressing frame can completely spread the leather outward to reach a flat state, which is convenient for subsequent processing.

[0019] 2. The utility model discloses a leveling assembly, through the interaction of driving lead screws, moving seats, second air cylinders, bottom frames and hot flat rollers, the hot flat roller with heat can be pressed on the surface of leather, and can be repeatedly moved on the surface of leather, so that the leather can be completely flattened. DRAWINGS

[0020] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0021] Figure 1The utility model discloses a structure schematic view;

[0022] Figure 2 The utility model discloses an isometric view;

[0023] Figure 3 The utility model discloses another perspective isometric view;

[0024] Figure 4 The utility model discloses an appendix Figure 1 The utility model discloses the partial close -up of A portion in middle;

[0025] In the drawing: 1, rack; 2, cross frame; 3, unfolding assembly; 3-1, telescopic cylinder; 3-2, rotating frame; 3-3, push flat frame; 3-4, support rod; 3-5, spring; 3-6, second cylinder; 3-7, pressing frame; 4, leveling assembly; 4-1, driving lead screw; 4-2, slide; 4-3, moving seat; 4-4, second cylinder; 4-5, base frame; 4-6, telescopic rod; 4-7, hot flat roller. Specific implementation

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0027] As Figures 1-4 The utility model discloses a kind of leather production is drawn to flat device, including

[0028] Rack 1 and cross frame 2, the cross frame 2 is set in the rack 1 top portion;

[0029] Unfolding assembly 3, the unfolding assembly 3 is set in the cross frame 2 with the rack 1;

[0030] Leveling assembly 4, the leveling assembly 4 is set in the cross frame 2;

[0031] The unfolding assembly 3 includes a pair of telescopic cylinder 3-1, a pair of the telescopic cylinder 3-1 is respectively fixed in the rack 1 surface two sides, the telescopic cylinder 3-1 output end is connected with the cross frame 2, the cross frame 2 both sides are rotatably connected with rotating frame 3-2 by pin shaft, the rotating frame 3-2 lower end is connected with push flat frame 3-3, the cross frame 2 top portion both sides are provided with a pair of support rod 3-4, spring 3-5 is connected between the push flat frame 3-3 and the support rod 3-4, the rack 1 bottom portion is provided with a pair of second cylinder 3-6, the second cylinder 3-6 output end is connected with pressing frame 3-7.

[0032] In this embodiment, in order to realize the effect of flat and unfolded leather, the unfolding assembly 3 is designed, two telescopic cylinders 3-1 are arranged on both sides of the surface of the rack 1, the output end of the telescopic cylinder 3-1 is connected with the cross frame 2, the cross frame 2 can be controlled to vertically ascend and descend through the telescopic cylinder 3-1, the both sides of the cross frame 2 are rotatably connected with the rotating frame 3-2 and the flattening frame 3-3 through the pin shaft, when the cross frame 2 descends, the flattening frame 3-3 is pressed on the surface of the leather and pushes the leather outward, the cross frame 2 is provided with the supporting rod 3-4, the supporting rod 3-4 is connected with the rotating frame 3-2 through the spring 3-5, the pressure of the flattening frame 3-3 can be increased through the elastic force of the spring 3-5, the effect of the flat leather is strengthened, the both sides of the bottom of the rack 1 are provided with the second cylinder 3-6, the output end of the second cylinder 3-6 is connected with the pressing frame 3-7, the pressing frame 3-7 can be pressed on the center position of the leather, the positioning effect is provided, and the leather will not move when the flattening frame 3-3 pushes the leather.

[0033] Further, the flattening assembly 4 includes a drive screw 4-1 installed in the cross frame 2, the drive screw 4-1 is controlled to rotate through a motor, a pair of slides 4-2 are arranged in the cross frame 2, a moving seat 4-3 is slidably connected on the slide 4-2, the moving seat 4-3 is connected with the drive screw 4-1 through screw thread cooperation, a third cylinder 4-4 is arranged at the bottom of the moving seat 4-3, a bottom frame 4-5 is connected with the output end of the third cylinder 4-4, a pair of telescopic rods 4-6 are connected between the bottom frame 4-5 and the moving seat 4-3, a hot flat roller 4-7 is rotatably connected in the bottom frame 4-5, and the hot flat roller 4-7 is driven to rotate through a motor.

[0034] In this embodiment, in order to realize the effect of pressing the leather through the extrusion mode, the flattening assembly 4 is designed, the drive screw 4-1 is arranged in the cross frame 2 and is controlled to rotate through a motor, the both sides of the cross frame 2 are provided with the slide 4-2, the moving seat 4-3 is connected on the drive screw 4-1 and the slide 4-2, the moving seat 4-3 can be controlled to move linearly in the cross frame 2 through the drive screw 4-1, the bottom of the moving seat 4-3 is provided with the third cylinder 4-4 and the two telescopic rods 4-6, the output end of the third cylinder 4-4 and the telescopic rod 4-6 is connected with the bottom frame 4-5, the hot flat roller 4-7 is rotatably connected in the bottom frame 4-5, the hot flat roller 4-7 can be controlled to ascend and descend through the third cylinder 4-4, and the hot flat roller 4-7 can generate a certain heat and move linearly on the surface when being pressed on the leather.

[0035] Further, the bottom of the flattening frame 3-3 is an arc-shaped structure surface, and the flattening frame 3-3 and the rotating frame 3-2 are both hollow structures.

[0036] In the embodiment, the arc-shaped structure surface can be attached to the leather surface when the angle changes, and the hollow structure can reduce the weight and avoid excessive pressure on the leather.

[0037] Further, the rotating frame 3-2 has a certain inclination angle relative to the horizontal frame 2.

[0038] In the embodiment, the inclined angle can be maintained when the pushing frame 3-3 is lowered, which facilitates the outward rotation when the height is lowered.

[0039] Further, the pressing frame 3-7 is located directly below the horizontal frame 2, and the pressing frame 3-7 has a U-shaped structure.

[0040] In the embodiment, the U-shaped structure increases the attachment to the leather surface and does not affect the movement of the pushing frame 3-3.

[0041] When it is needed to use, the leather is laid on the table frame 1 and the position is adjusted, the second cylinder 3-6 is started, the middle position of the leather is pressed by the pressing frame 3-7, then the telescopic cylinder 3-1 is started to control the horizontal frame 2 to descend, the pushing frame 3-3 is pressed on the leather surface, and as the height continues to descend, the pushing frame 3-3 pushes the leather completely, then the third cylinder 4-4 is started to control the hot flat roller 4-7 to press and be pressed on the leather surface, finally the hot flat roller 4-7 is repeatedly moved on the leather surface through the driving lead screw 4-1.

[0042] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A stretch levelling device for leather production, characterised in that, The utility model relates to a kind of flatting machine, including Gantry (1) and cross frame (2), the cross frame (2) is set on the top of the gantry (1); Unfolding assembly (3), the unfolding assembly (3) is set on the cross frame (2) with the gantry (1); Leveling assembly (4), the leveling assembly (4) is set on the cross frame (2); The unfolding assembly (3) includes a pair of telescopic cylinders (3-1), a pair of the telescopic cylinders (3-1) is fixed respectively on the surface both sides of the gantry (1), the output end of the telescopic cylinder (3-1) is connected with the cross frame (2), the cross frame (2) both sides are rotatably connected with rotating frame (3-2) by pin shaft.

2. The stretching and flattening device for leather production according to claim 1, characterized in that, The rotating frame (3-2) lower end is connected with push flat frame (3-3), the cross frame (2) top both sides are provided with a pair of support rod (3-4), spring (3-5) is connected between push flat frame (3-3) and the support rod (3-4), the gantry (1) bottom is provided with a pair of second cylinder (3-6), the output end of the second cylinder (3-6) is connected with pressure frame (3-7).

3. The stretching and flattening device for leather production according to claim 1, characterized in that, The leveling assembly (4) includes drive screw (4-1), the drive screw (4-1) is installed in the cross frame (2), the drive screw (4-1) is rotated by motor control, the cross frame (2) is provided with a pair of slide (4-2).

4. The stretching and flattening device for leather production according to claim 3, characterized in that The slide (4-2) is slidably connected with moving seat (4-3), the moving seat (4-3) is connected with the drive screw (4-1) by thread cooperation, the moving seat (4-3) bottom is provided with third cylinder (4-4), the output end of the third cylinder (4-4) is connected with base frame (4-5).

5. The stretching and flattening device for leather production according to claim 4, characterized in that The base frame (4-5) is connected with a pair of telescopic rod (4-6) between the moving seat (4-3), the base frame (4-5) is rotatably connected with hot flat roller (4-7), the hot flat roller (4-7) is rotated by motor drive.

6. The stretching and flattening device for leather production according to claim 2, characterized in that The push flat frame (3-3) bottom is arc structure surface, and the push flat frame (3-3) and the rotating frame (3-2) are all hollow structure.

7. The stretching and flattening device for leather production according to claim 1, characterized in that, The rotating frame (3-2) has a certain angle of inclination relative to the cross frame (2).

8. The stretching and flattening device for leather production according to claim 2, characterized in that The pressure frame (3-7) is located directly below the cross frame (2), and the pressure frame (3-7) is in the form of a U-shaped structure.

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