Handle leather coating and pressure-maintaining device and coating and pressure-maintaining process thereof

Abstract

The present invention discloses a handle leather coating and pressure-maintaining device and its coating and pressure-maintaining process, comprising a first frame, a platform is provided on the upper part of the first frame, the platform is arranged horizontally, a first through hole is provided on the platform, two linear guide rails are provided on both sides of the first through hole; a tray is provided on the two linear guide rails, a toothed belt is provided in the first through hole, and the toothed belt is connected to the bottom of the tray in a transmission manner; a heating chamber is provided on one end of the platform and can heat the handle; and a pressure-maintaining mechanism can maintain pressure on the handle. It is not easy to produce indentations on the leather on the handle.

Description

Technical Field

[0001] The invention relates to the field of pressure maintenance, and in particular to a handle genuine leather coating pressure maintenance device and a coating pressure maintenance process thereof. Background Art

[0002] The existing tooling for maintaining pressure on the covering of the leather handle has a working principle of pushing a follow-up block of a polyurethane material to fit and press the surface of the leather covering tightly through a cylinder or a clamp.

[0003] The existing hard mold fitting and pressure-maintaining methods for leather-covered surfaces are limited by factors such as the machining accuracy of the contoured surface, surface roughness, and the inability to accurately control the pressure stroke of the cylinder or the pressure clamp, which can easily cause appearance defects such as indentations on the leather-covered surface. Summary of the invention

[0004] In order to overcome the defects in the prior art, an embodiment of the present invention provides a handle leather coating and pressure maintaining device and a coating and pressure maintaining process thereof, which are not likely to cause indentations on the leather on the handle.

[0005] To achieve the above-mentioned purpose, the embodiment of the present application discloses a handle leather covering and maintaining pressure device, comprising: a first frame, a platform is provided on the upper part of the first frame, the platform is horizontally arranged, a first through hole is provided on the platform, the first through hole penetrates the platform along the thickness direction of the platform, and the first through hole extends along the length direction of the platform; two linear guides are respectively provided on both sides of the first through hole, the two linear guides are arranged in parallel, and the two linear guides are arranged along the length direction of the platform; sliders are respectively provided on the two linear guides, the sliders are transmission-connected with the linear guides, a tray is provided on the two linear guides, the tray is transmission-connected with the sliders, a toothed belt is provided in the first through hole, the toothed belt is transmission-connected with the bottom of the tray, the two ends of the toothed belt are respectively arranged at the two ends of the first through hole, one end of the toothed belt is transmission-connected with a power mechanism, and the toothed belt can drive the tray to move back and forth along the linear guide;

[0006] A heating chamber, wherein the heating chamber is arranged on one end of the platform, and one end of the first through hole is arranged in the heating chamber; the heating chamber comprises a first box body and a second box body, the first box body is arranged on the first through hole, a heating pipe is arranged on the upper part of the first box body, and a plurality of second through holes are arranged on the upper wall surface of the first box body; the second box body is arranged on the upper part of the first box body, a fan is arranged on the second box body, and the second box body is connected with the first box body through the through hole; an opening is arranged on one side surface of the first box body, and the tray can enter the first box body through the opening, and a cover plate is also arranged on the opening, and the cover plate is arranged perpendicular to the platform, and two grooves are arranged on one end of the cover plate close to the platform, and the grooves can accommodate the linear guide rail, and the end of the cover plate away from the platform is drivingly connected to the first cylinder, and the first cylinder can cover the cover plate on the opening;

[0007] A pressure-holding mechanism, wherein the pressure-holding mechanism is arranged at the other end of the platform, and the other end of the first through hole is arranged in the pressure-holding mechanism; the pressure-holding mechanism includes a pillar and a vacuum adsorption film mechanism, the pillar is vertically arranged on the platform, the vacuum adsorption film mechanism includes a first plate body and a second plate body, the first plate body is sleeved on the pillar, the first plate body is vertically arranged with the pillar, the second plate body is fixedly arranged at one end of the pillar away from the platform, the vacuum adsorption film mechanism includes a second cylinder, a frame body and a silicone film, the second cylinder is fixed on the second plate body, the piston rod of the second cylinder is fixed on the surface of the first plate body close to the second plate body, the frame body is arranged on the surface of the first plate body away from the second plate body, the surface of the frame body away from the second plate body is covered with a silicone film, and the second cylinder can move the frame body to cover the tray.

[0008] Preferably, the tray is provided with a mold adapted to the handle.

[0009] Preferably, the power mechanism is a motor.

[0010] Preferably, the heating chamber is also provided with a temperature sensor, and the temperature sensor is arranged in the first box body.

[0011] Preferably, a plurality of third through holes are provided at the bottom of the tray, and the third through holes are connected to a vacuum pump.

[0012] Preferably, when the frame is covered on the tray, the silicone film and the tray form a sealed environment.

[0013] The embodiment of the present application discloses a coating and pressure-maintaining process of a handle leather coating and pressure-maintaining device, comprising the following steps:

[0014] Covering the handle with leather coating glue, and placing the handle on the tray;

[0015] The cover plate opens under the drive of the first cylinder, and the power mechanism drives the toothed belt to move. Further, the toothed belt drives the tray to the heating chamber, and the heating tube starts to heat up until the temperature reaches the activation temperature of the glue;

[0016] The power mechanism drives the gear belt to reverse, and the gear belt drives the tray to the bottom of the frame. The second cylinder drives the frame to cover the tray, and the silicone film covers the handle. The vacuum pump is turned on to extract the air between the tray and the silicone film, so that the silicone film is tightly attached to the handle, so that the leather is compressed.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The heating chamber uses a heating tube with adjustable heating temperature, a temperature sensor and a fan, which can effectively ensure the temperature stability in the heating chamber, accurately heat the time, ensure that the glue between the handle and the leather is heated at an appropriate temperature and for an appropriate time, and prevent the leather from falling off the handle;

[0019] 2. The mold on the tray can be replaced according to the type of the handle, which is convenient for replacement and facilitates mass production of handles;

[0020] 3. The silicone membrane is relatively soft. After the vacuum pump sucks the air between the silicone membrane and the tray, the silicone membrane can fit tightly on the handle, so that the leather is compressed, further making the leather adhere to the handle.

[0021] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 2 is a schematic diagram of the structure of a handle leather covering pressure maintaining device in an embodiment of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the lower part of the platform, the heating chamber and the pressure-maintaining mechanism in an embodiment of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the heating chamber and the pressure-maintaining mechanism on the platform in an embodiment of the present invention;

[0026] Reference numerals in the above drawings:

[0027] 1. First frame; 13. Linear guide rail; 15. Tray; 16. Toothed belt; 17. Motor; 18. Vacuum pump;

[0028] 2. Heating chamber; 21. First box; 211. Second through hole; 212. Heating tube; 213. Temperature sensor; 214. Opening; 22. Second box; 221. Fan; 23. Cover plate; 231. Groove;

[0029] 3. Pressure-maintaining mechanism; 31. Pillar; 321. Second plate body; 322. First plate body; 323. Second cylinder; 324. Frame body; 325. Silicone membrane. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features.

[0032] In this embodiment, please refer to Figure 1 The handle leather covering pressure-maintaining device comprises a first rectangular frame 1, a rectangular platform is provided on the upper part of the first frame 1, a heating chamber 2 is provided on the left side of the platform, and a pressure-maintaining mechanism 3 is provided on the right side of the platform.

[0033] In this embodiment, please refer to Figure 2The platform is provided with a long first through hole from left to right, and the first through hole penetrates the platform along the thickness direction of the platform. A toothed belt 16 is provided below the first through hole, and a driving wheel is sleeved on the left end of the toothed belt 16, and the driving wheel is connected to the motor 17 in transmission, and a driven wheel is sleeved on the right end of the toothed belt 16.

[0034] For further information, please refer to Figure 2 The gear belt is transmission-connected to the bottom of the tray 15 , and a plurality of third through holes are provided at the bottom of the tray 15 , and the third through holes are connected to the vacuum pump 18 .

[0035] For further information, please refer to Figure 2 The heating chamber 2 includes a first box body 21 arranged on the platform, a plurality of second through holes 211 are arranged on the top of the first box body 21, and a plurality of heating tubes 212 and a temperature sensor 213 are arranged below the first through holes.

[0036] Furthermore, the second box body 22 is provided above the first box body 21 . The second box body 22 is connected to the first box body 21 through a second through hole 211 . A fan 221 is provided in the second box body 22 . The fan 221 can ensure the temperature stability in the first box body 21 .

[0037] For further information, please refer to Figure 1 The pressure-maintaining mechanism 3 is arranged on the right side of the platform. The pressure-maintaining mechanism 3 includes four pillars 31. The pressure-maintaining mechanism includes the pillars 31 and a vacuum adsorption film mechanism.

[0038] For further information, please refer to Figure 2 The four pillars 31 are respectively mounted on the four corners of the first plate 322 and the second plate 321, the second plate 321 is fixed above the four pillars 31, the four corners of the second plate 321 are mounted on the four pillars 31, the second plate 321 can slide up and down along the pillars 31, the second cylinder 323 is fixed on the first plate 322, the piston rod of the second cylinder 323 is transmission-connected to the upper part of the first plate 322, the second cylinder 323 drives the second plate 321 to move up and down, the lower side of the second plate 321 is connected with a frame 324, the frame 324 is in a rectangular shape, the bottom surface of the frame 324 is covered with a silicone film 325, and the four sides of the silicone film 325 are covered on the four borders of the bottom surface of the frame 324.

[0039] For further information, please refer to Figure 3A linear guide rail 13 is respectively provided on the front and rear sides of the first through hole, and the tray 15 is arranged on the two linear guide rails through a slider, and a mold adapted to the handle is provided on the tray 15.

[0040] It is understandable that the tire mold can be replaced according to the handle.

[0041] For further information, please refer to Figure 3 The right side of the first box body 21 is provided with an opening 214, and the opening 214 is also provided with a cover plate 23, the cover plate 23 is vertically arranged with the platform, the cover plate 23 is arranged in close contact with the opening 214, and the lower end of the cover plate 23 is provided with two grooves 231, and the two grooves 231 are respectively arranged corresponding to the two linear guide rails 13. The upper part of the cover plate 23 is connected to a first cylinder, and the first cylinder can drive the cover plate 23 to move up and down.

[0042] Based on the above structure, please refer to Figure 1 , wrap the handle with leather coating glue, and place the handle on the mold.

[0043] Furthermore, the motor 17 is started by the PLC, and the motor 17 rotates forward to send the tray 15 into the heating chamber 2;

[0044] Furthermore, the first cylinder is started by the PLC, and the first cylinder drives the cover plate 23 to move downward, and the two grooves 231 of the cover plate 23 are respectively adapted to the two linear guide rails 13 , and the cover plate 23 covers the opening 214 .

[0045] Furthermore, the heating tube 212 and the temperature sensor 213 are started through the PLC. When the temperature sensor 213 senses that the temperature reaches or exceeds the activation temperature of the glue, the fan 221 is started or the heating temperature of the heating tube 212 is adjusted. The fan 221 allows the gas in the first box body 21 and the second box body 22 to circulate, thereby ensuring that the temperature in the first box body 21 is stable.

[0046] It is understandable that the temperature of the heating tube 212 is adjustable.

[0047] Furthermore, when the heating time is reached, the fan 221, the temperature sensor 213 and the heating tube 212 are turned off through the PLC, and the first cylinder and the motor 17 are started. The first cylinder drives the cover plate 23 to move upward, and the motor 17 is reversed to move the tray 15 below the pressure-maintaining mechanism 3, and then the motor 17 is turned off through the PLC.

[0048] Furthermore, the second cylinder 323 is started through the PLC, and the second cylinder 323 drives the frame 324 to cover the tray 15, and the silicone film 325 is covered on the handle. The vacuum pump 18 is started through the PLC, and the vacuum pump 18 extracts the air between the tray 15 and the silicone film 325, so that the silicone film 325 is tightly attached to the handle, so that the handle is evenly pressurized, and no indentation is generated on the leather covering surface of the handle.

[0049] The present invention uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A handle leather covering pressure-maintaining device, characterized in that: include: A first frame, a platform is provided on the upper part of the first frame, the platform is arranged horizontally, a first through hole is provided on the platform, the first through hole penetrates the platform along the thickness direction of the platform, and the first through hole extends along the length direction of the platform; two linear guides are respectively provided on both sides of the first through hole, the two linear guides are arranged in parallel, and the two linear guides are arranged along the length direction of the platform; sliders are respectively provided on the two linear guides, the sliders are transmission connected with the linear guides, a tray is provided on the two linear guides, the tray is transmission connected with the sliders, a toothed belt is provided in the first through hole, the toothed belt is transmission connected with the bottom of the tray, the two ends of the toothed belt are respectively arranged at the two ends of the first through hole, one end of the toothed belt is transmission connected with the power mechanism, and the toothed belt can drive the tray to move back and forth along the linear guide; A heating chamber, wherein the heating chamber is arranged on one end of the platform, and one end of the first through hole is arranged in the heating chamber; the heating chamber comprises a first box and a second box, the first box is arranged on the first through hole, a heating pipe is arranged on the upper part of the first box, and a plurality of second through holes are arranged on the upper wall of the first box; the second box is arranged on the upper part of the first box, a fan is arranged on the second box, the second box is connected with the first box through the through hole, the fan makes the gas in the first box and the second box circulate to ensure the temperature in the first box is stable; an opening is arranged on one side surface of the first box, the tray can enter the first box through the opening, and a cover plate is also arranged on the opening, the cover plate is arranged perpendicular to the platform, and two grooves are arranged on one end of the cover plate close to the platform, the grooves can accommodate the linear guide rail, and the end of the cover plate away from the platform is transmission-connected to the first cylinder, and the first cylinder can cover the cover plate on the opening; A pressure-holding mechanism, wherein the pressure-holding mechanism is arranged at the other end of the platform, and the other end of the first through hole is arranged in the pressure-holding mechanism; the pressure-holding mechanism comprises a pillar and a vacuum adsorption film mechanism, wherein the pillar is vertically arranged on the platform, and the vacuum adsorption film mechanism comprises a first plate body and a second plate body, wherein the first plate body is sleeved on the pillar, and the first plate body is vertically arranged with the pillar, and the second plate body is fixedly arranged at an end of the pillar away from the platform, and the vacuum adsorption film mechanism comprises a second cylinder, a frame body and a silicone film, wherein the second cylinder is fixed on the second plate body, and the piston rod of the second cylinder is fixed on the surface of the first plate body close to the second plate body, and the frame body is arranged on the surface of the first plate body away from the second plate body, and the surface of the frame body away from the second plate body is covered with a silicone film, and the second cylinder can move the frame body to cover the tray; A plurality of third through holes are provided at the bottom of the tray, and the third through holes are connected to a vacuum pump; When the frame is covered on the tray, the silicone film and the tray form a sealed environment; The heating chamber is also provided with a temperature sensor, and the temperature sensor is arranged in the first box body.

2. The handle leather covering pressure-maintaining device according to claim 1, characterized in that: The tray is provided with a mold matched with the handle.

3. The handle leather covering pressure-maintaining device according to claim 1, characterized in that: The power mechanism is a motor.

4. A pressure-maintaining process using the handle leather covering pressure-maintaining device described in claim 1, characterized in that: The following steps are involved: Covering the handle with leather coating glue, and placing the handle on the tray; The cover plate opens under the drive of the first cylinder, and the power mechanism drives the toothed belt to move. Further, the toothed belt drives the tray to the heating chamber, and the heating tube starts to heat up until the temperature reaches the activation temperature of the glue; The power mechanism drives the gear belt to reverse, and the gear belt drives the tray to the bottom of the frame. The second cylinder drives the frame to cover the tray, and the silicone film covers the handle. The vacuum pump is turned on to extract the air between the tray and the silicone film, so that the silicone film is tightly attached to the handle, so that the leather is compressed.

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