CN215593100U

CN215593100U - Constant-temperature heating device for leather retanning

Info

Publication number: CN215593100U
Application number: CN202121349615.7U
Authority: CN
Inventors: 林汉彬; 许维奇; 许维波
Original assignee: Zhangzhou Xiangzhou Leather Co ltd
Current assignee: Zhangzhou Xiangzhou Leather Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-21
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a constant temperature heating device for leather retanning, which relates to the technical field of leather manufacturing and comprises a retanning device and a liquid preparation tank, wherein the retanning device comprises a support frame, a constant temperature drum is fixed on the upper end surface of the support frame, a rotating motor and a liquid pump are respectively installed on two sides of the constant temperature drum, an output port of the rotating motor is fixedly connected with a rotating shaft through a coupling, a rotary drum is fixed on the surface of the rotating shaft on the inner side of the constant temperature drum through a fixing frame, the liquid preparation tank comprises a tank body, a partition plate is fixed on the inner side of the tank body, a stainless steel heat insulation liner matched with the tank body is arranged above the partition plate, an electric heater is installed in the middle position of the top of the tank body, the electric heater comprises an electric heating wire, and stirring rotating shafts are respectively arranged on two sides of the electric heating wire, thereby achieving the best retanning effect.

Description

Constant-temperature heating device for leather retanning

Technical Field

The utility model relates to the technical field of leather manufacturing, in particular to a constant-temperature heating device for leather retanning.

Background

The leather tanning process refers to the process of animal hide through physical and chemical methods such as unhairing, tanning and the like, and then through coating and finishing, the animal hide is made into leather production activities with properties such as non-putrescibility, flexibility, air permeability and the like, the leather is formed by tightly weaving natural protein fibers in a three-dimensional space, a special grain layer is arranged on the surface of the leather, the leather has natural grains and luster, the hand feeling is comfortable, retanning occupies a quite important position in modern leather-making industry, the process is a key process in the leather-making production, and the quality of the retanning effect determines the retanning quality of the leather.

Most of the existing leather retanning devices do not have an automatic heating function, retanning liquid is usually in a normal-temperature state and cannot reach the optimal retanning temperature condition, or heated water is adopted to prepare a retanning agent, the temperature of the retanning liquid cannot be maintained, so that the optimal retanning effect cannot be achieved, the quality of retanning leather is influenced, in addition, researches show that different retanning agents and temperatures have different influences on the stress relaxation performance of the leather, and the fact that different set temperature values are kept unchanged under the condition that different retanning agents are used also becomes the key of the researches.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a constant-temperature heating device for leather retanning, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a constant temperature heating device for leather retanning comprises a retanning device and a liquid preparation tank, wherein the retanning device comprises a supporting frame placed on the ground, a constant temperature drum is fixed on the upper end surface of the supporting frame, a sealing cover plate is hinged on the front surface of the constant temperature drum, the side edge of the sealing cover plate is bonded with a sealing edge strip, the two sides of the constant temperature drum are respectively provided with a rotating motor and a liquid pump on the upper end surface of the supporting frame, the output port of the rotating motor is fixedly connected with a rotating shaft through a coupler, the rotating shaft penetrates through the thermostatic drum and extends to the outer side of the thermostatic drum, the two ends of the rotary shaft, which are positioned at the outer side of the thermostatic drum, are respectively connected with a supporting plate in a matching way through a bearing, the two supporting plates are both fixed at the top of the supporting frame, a rotary drum is fixed on the surface of the rotary rotating shaft at the inner side of the constant-temperature drum through a fixing frame, and the rotary drum is of a hollow net type cylinder structure;

the liquid preparation tank comprises a tank body, a motor box is fixed at the bottom of the tank body, a driving motor with an upward output direction is placed on the inner side of the motor box, a driving rotating shaft is fixedly connected with an output port of the driving motor through a coupler, the driving rotating shaft extends to the inner side of the tank body, an upper driving wheel and a lower driving wheel are coaxially fixed at one end of the inner side of the tank body, a partition plate is fixed on the inner side of the tank body above the top of the driving rotating shaft, a stainless steel heat preservation liner matched with the tank body is arranged above the partition plate, a temperature sensor is installed on the inner side wall of the stainless steel heat preservation liner, an electric heater is installed at the middle position of the top of the tank body and comprises a heating wire, the heating wire is positioned on the inner side of the stainless steel heat preservation liner and is fixed up and down, stirring rotating shafts are respectively arranged on two sides of the heating wire, and the bottom end of each stirring rotating shaft penetrates through the partition plate and is fixed with a driven wheel, two all connect corresponding action wheel through the belt rotation from the driving wheel, the surface of stirring pivot is fixed with stirring paddle leaf in the inboard of stainless steel heat preservation courage, the surface mounting of the jar body has controller and starting switch, the controller disposes display screen and adjust knob.

Preferably, a liquid suction pipe is connected between the inner side of the stainless steel heat preservation liner and a liquid suction port of the liquid suction pump, and a liquid outlet pipe is connected between a liquid outlet port of the liquid suction pump and the upper end of the inner side of the constant temperature drum.

Preferably, a vacuum gap is reserved between the stainless steel heat preservation liner and the tank body and between the stainless steel heat preservation liner and the partition plate.

Preferably, a communicating pipe is connected between the bottom of the thermostatic drum and the bottom of the inner side of the stainless steel heat-insulating container, the communicating pipe is of a U-shaped pipe structure, a water-passing electromagnetic valve is mounted on the surface of the communicating pipe, a liquid discharge pipe is connected to the lower end face of the communicating pipe, and a liquid discharge electromagnetic valve is mounted on the surface of the liquid discharge pipe.

Preferably, a filter screen is arranged on the inner side of the thermostatic drum at the joint of the communicating pipe.

Preferably, the surface of the rotating drum is provided with a net-shaped cover plate, and the inner side of the rotating drum is provided with a leather throwing port at the net-shaped cover plate.

Preferably, the inner side surface of the constant temperature drum is bonded with a soft porcelain insulation board.

Preferably, the fixing frame comprises cross brackets welded on the surfaces of the two sides of the rotary drum and four fixing rods connected between the two cross brackets.

Preferably, the top of the liquid preparation tank is provided with a feed port, the feed port is provided with a cork, the right side of the liquid preparation tank is connected with a water inlet pipe, and the surface of the water inlet pipe is provided with a water inlet control valve.

Compared with the prior art, the utility model has the following beneficial effects: the retanning agent preparation device can complete the preparation operation of the retanning agent through the arranged liquid preparation tank, and avoids the phenomenon that the retanning effect is influenced due to the fact that too much stored finished product retanning liquid occupies space and fails; the retanning agent retanning liquid heating device can complete the heating function of the retanning liquid through the arranged electric heater, and different temperature values can be set through the arranged controller, so that the optimum effect of various retanning agent retanning liquids can be exerted; according to the utility model, the liquid preparation tank and the constant temperature drum have a heat preservation function, so that unnecessary troubles caused by continuous heating are avoided, and meanwhile, the retanning process can be always at an optimal temperature value, so that an optimal retanning effect is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of a constant temperature heating apparatus for leather retanning according to the present invention;

FIG. 2 is a front view of the overall appearance structure of a constant temperature heating apparatus for leather retanning according to the present invention;

FIG. 3 is a schematic structural installation diagram of a drum of a constant temperature heating device for leather retanning according to the present invention;

FIG. 4 is a schematic view of the transmission connection between the stirring rotating shaft and the driving motor of the constant temperature heating device for leather retanning according to the present invention;

fig. 5 is an enlarged schematic view of the structure of a part A of the constant temperature heating apparatus for leather retanning according to the present invention.

In the figure: 1. a retanning device; 101. a support frame; 102. a support plate; 2. preparing a liquid tank; 201. a tank body; 202. a motor case; 203. a drive motor; 204. driving the rotating shaft; 205. a driving wheel; 206. a partition plate; 207. a stainless steel heat preservation liner; 208. a stirring rotating shaft; 209. a driven wheel; 210. a stirring paddle; 211. a vacuum gap; 212. a feeding port; 213. a water inlet pipe; 214. a water inlet control valve; 215. a belt; 3. a constant temperature drum; 301. a fixed mount; 302. a cross-shaped bracket; 303. fixing the rod; 304. sealing the cover plate; 305. a soft porcelain insulation board; 4. a rotating electric machine; 401. rotating the rotating shaft; 5. a liquid pump; 501. a pipette; 502. a liquid outlet pipe; 6. a drum; 601. a mesh-type cover plate; 602. a leather throwing port; 7. an electric heater; 701. an electric heating wire; 8. a communicating pipe; 801. a liquid discharge pipe; 802. a liquid discharge solenoid valve; 803. a water-through electromagnetic valve; 9. a controller; 10. starting a switch; 11. a temperature sensor.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-5, a constant temperature heating device for leather retanning comprises a retanning device 1 and a liquid preparation tank 2, wherein the retanning device 1 comprises a support frame 101 placed on the ground, a constant temperature drum 3 is fixed on the upper end surface of the support frame 101, a sealing cover plate 304 is hinged on the front surface of the constant temperature drum 3, a sealing edge strip is bonded on the side edge of the sealing cover plate 304, a rotary motor 4 and a liquid suction pump 5 are respectively installed on the upper end surfaces of the support frame 101 on the two sides of the constant temperature drum 3, an output port of the rotary motor 4 is fixedly connected with a rotary rotating shaft 401 through a coupler, the rotary rotating shaft 401 penetrates through the constant temperature drum 3 and extends to the outer side of the constant temperature drum 3, the two ends of the rotary shaft 401 on the outer side of the constant temperature drum 3 are respectively connected with support plates 102 through bearings in a matching manner, the two support plates 102 are fixed on the top of the support frame 101, and a rotary drum 6 is fixed on the surface of the inner side of the constant temperature drum 3 through a fixing frame 301, the rotary drum 6 is of a hollow net-shaped cylinder structure, a net-shaped cover plate 601 is mounted on the surface of the rotary drum 6, and a leather feeding port 602 is formed in the position, on the net-shaped cover plate 601, of the inner side of the rotary drum 6.

The liquid distribution tank 2 comprises a tank body 201, a motor box 202 is fixed at the bottom of the tank body 201, a driving motor 203 with an upward output direction is placed on the inner side of the motor box 202, an output port of the driving motor 203 is fixedly connected with a driving rotating shaft 204 through a coupler, the driving rotating shaft 204 extends to the inner side of the tank body 201, an upper driving wheel 205 and a lower driving wheel 205 are coaxially fixed at one end of the inner side of the tank body 201 of the driving rotating shaft 204, a partition plate 206 is fixed on the inner side of the tank body 201 above the top of the driving rotating shaft 204, a stainless steel heat preservation liner 207 matched with the tank body 201 is arranged above the partition plate 206, a temperature sensor 11 is installed on the inner side wall of the stainless steel heat preservation liner 207, a heating wire 7 is installed in the middle position of the top of the tank body 201, the electric heater 7 comprises an electric heating wire 701, the heating wire 701 is located on the inner side of the stainless steel heat preservation liner 207 and is fixed up and down, heating wire 701's both sides are provided with stirring pivot 208 respectively, stirring pivot 208's bottom all runs through baffle 206 and all is fixed with from driving wheel 209, two from driving wheel 209 all rotates the action wheel 205 of connecting the correspondence through belt 215, has realized driving motor 203 to two stirring pivot 208's power transmission to make the more abundant of stirring, stirring pivot 208's surface is fixed with stirring paddle leaf 210 in stainless steel heat preservation container 207's inboard, the surface mounting of the jar body 201 has controller 9 and starting switch 10, controller 9 disposes display screen and adjust knob.

In this embodiment, preferably, a liquid suction pipe 501 is connected between the inner side of the stainless steel heat preservation liner 207 and the liquid suction port of the liquid suction pump 5, and a liquid outlet pipe 502 is connected between the liquid outlet port of the liquid suction pump 5 and the inner upper end of the thermostatic drum 3, so that the retanning liquid heated in the liquid preparation tank 2 can enter the thermostatic drum 3, and the retanning process of the leather is completed.

In this embodiment, a vacuum gap 211 is preferably left between the stainless steel heat preservation liner 207 and the tank 201 and the partition 206, so that the stainless steel heat preservation liner 207 can perform its good heat preservation function.

In this embodiment, preferably, a communicating pipe 8 is connected between the bottom of the thermostatic drum 3 and the bottom of the inside of the stainless steel heat preservation bladder 207, the communicating pipe 8 is of a U-shaped pipe structure, a water-passing electromagnetic valve 803 is installed on the surface of the communicating pipe 8, a liquid discharge pipe 801 is connected to the lower end surface of the communicating pipe 8, and the liquid discharge electromagnetic valve 802 can be opened to discharge waste liquid after retanning is completed.

In this embodiment, preferably, a filter screen is installed at the connection position of the communicating pipe 8 on the inner side of the thermostatic drum 3, so that the impurities carried by the leather can be prevented from falling off to block the communicating pipe 8 in the retanning process.

In this embodiment, preferably, a soft porcelain insulation board 305 is adhered to the inner side surface of the thermostatic drum 3, so that the thermostatic drum 3 has a good insulation effect.

In this embodiment, preferably, the fixing frame 301 includes cross brackets 302 welded on the two side surfaces of the rotating drum 6 and four fixing rods 303 connected between the two cross brackets 302, and has a stable and reliable fixing effect on the rotating drum 6.

In this embodiment, preferably, a feeding port 212 is arranged at the top of the liquid preparation tank 2, a cork is arranged at the feeding port 212, a water inlet pipe 213 is connected to the right side of the liquid preparation tank 2, a water inlet control valve 214 is installed on the surface of the water inlet pipe 213, and the cork is arranged to prevent hot gas from overflowing, so that the temperature inside the tank body 201 can be effectively maintained.

It should be noted that the utility model is a constant temperature heating device for leather retanning, when in use, a sufficient amount of weighed dry retanning agent particles are added into a liquid preparation tank 2 through a feeding port 212, when a starting switch 10 of a water inlet control valve 214 is opened, a controller 9 can automatically control water inflow so as to prepare the best retanning agent, a driving motor 203 is arranged to enable a stirring paddle 210 to play a stirring role well, so that the dry retanning agent particles are fully dissolved, when an electric heater 7 is started, the highest temperature value is obtained when the temperature of the retanning liquid is heated to the optimal temperature condition by an electric heating wire 701, a temperature sensor 11 feeds back the detected temperature value to the controller 9, the electric heater 7 stops running, the retanning liquid in the liquid preparation tank 2 is conveyed into a constant temperature drum 3 through a liquid pump 5, the liquid pump 5 is closed after the conveying is finished, and a soft porcelain insulation board 305 bonded on the inner side surface of the constant temperature drum 3 has a good heat insulation effect, the water temperature of the retanning liquid can be prevented from being reduced too fast, the water-flowing electromagnetic valve 803 is in a closed state at the moment, a sufficient amount of weighed dry retanning agent particles are added into the liquid preparation tank 2, the manufacturing process of the retanning liquid is repeated, after the preparation is finished, the water-flowing electromagnetic valve 803 and the liquid drawing pump 5 are opened, as the communicating pipe 8 is in a U-shaped pipe structure, the retanning liquid in the constant-temperature drum 3 and the retanning liquid in the liquid preparation tank 2 are mixed and are in a continuous circulation state at the moment, so that the retanning liquid has a sufficient amount of retanning agent during retanning, the rotary motor 4 is started, leather in the rotary drum 6 can be continuously overturned under the action of the rotary rotating shaft 401 to fully react with the retanning agent retanning liquid, the retanning process is finished, the arranged fixing frame 301 is formed by combining two cross-shaped supports 302 and four fixing rods 303, the rotary drum 6 has a stable fixing effect, and the temperature sensor 11 can detect the temperature of the retanning agent retanning liquid at the moment, and transmit the temperature information to the controller 9, if the temperature is not in the optimum temperature range, the controller 9 can control the electric heater 7 to start the highest value when the temperature of the retanning agent retanning liquid rises to the optimum temperature range, the vacuum gap 211 set up can make the stainless steel heat-insulating liner 207 exert its good heat-insulating function, thus the retanning agent retanning liquid is in the stable constant temperature range all the time, greatly improve the retanning quality of the leather, can change the settlement temperature of the electric heater 7 through the regulating knob set up, thus make the apparatus can be suitable for different retanning agent retanning liquids to carry on the retanning operation, has improved the practicability of the apparatus, after the retanning is finished, turn on the drain electromagnetic valve 802 and can discharge the sewage.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A constant temperature heating device for leather retanning, includes retanning device (1) and joins in marriage fluid reservoir (2), its characterized in that: the retanning device (1) comprises a support frame (101) placed on the ground, a constant-temperature drum (3) is fixed on the upper end face of the support frame (101), a sealing cover plate (304) is hinged to the front face of the constant-temperature drum (3), sealing strips are bonded on the side edges of the sealing cover plate (304), a rotary motor (4) and a liquid pump (5) are respectively installed on the two sides of the constant-temperature drum (3) on the upper end face of the support frame (101), an output port of the rotary motor (4) is fixedly connected with a rotary rotating shaft (401) through a coupler, the rotary rotating shaft (401) penetrates through the constant-temperature drum (3) and extends to the outer side of the constant-temperature drum, supporting plates (102) are respectively connected to the two ends of the outer side of the constant-temperature drum (3) in a bearing fit mode, the two supporting plates (102) are respectively fixed on the top of the support frame (101), and a rotary drum (6) is fixed on the inner side of the surface of the constant-temperature drum (3) through a fixing frame (301), the rotary drum (6) is of a hollow net type cylinder structure;

the liquid distribution tank (2) comprises a tank body (201), a motor box (202) is fixed at the bottom of the tank body (201), a driving motor (203) with an upward output direction is placed on the inner side of the motor box (202), an output port of the driving motor (203) is fixedly connected with a driving rotating shaft (204) through a coupler, the driving rotating shaft (204) extends to the inner side of the tank body (201), the driving rotating shaft (204) is coaxially fixed with an upper driving wheel and a lower driving wheel (205) at one end of the inner side of the tank body (201), a partition plate (206) is fixed on the inner side of the tank body (201) above the top of the driving rotating shaft (204), a stainless steel heat preservation liner (207) matched with the tank body (201) is arranged above the partition plate (206), a temperature sensor (11) is installed on the inner side wall of the stainless steel heat preservation liner (207), and an electric heater (7) is installed at the middle position of the top of the tank body (201), electric heater (7) include heating wire (701), heating wire (701) are located the inboard of stainless steel heat preservation courage (207) and are fixed from top to bottom, the both sides of heating wire (701) are provided with stirring pivot (208) respectively, the bottom of stirring pivot (208) all runs through baffle (206) and all is fixed with from driving wheel (209), two from driving wheel (209) all rotate through belt (215) and connect action wheel (205) that correspond, the surface of stirring pivot (208) is fixed with stirring paddle leaf (210) in the inboard of stainless steel heat preservation courage (207), the surface mounting of the jar body (201) has controller (9) and starting switch (10), controller (9) configuration has display screen and adjust knob.

2. A thermostatic heating device for leather retanning according to claim 1, characterised in that: a liquid suction pipe (501) is connected between the inner side of the stainless steel heat preservation liner (207) and the liquid suction port of the liquid suction pump (5), and a liquid outlet pipe (502) is connected between the liquid outlet port of the liquid suction pump (5) and the inner upper end of the constant temperature drum (3).

3. A thermostatic heating device for leather retanning according to claim 1, characterised in that: and a vacuum gap (211) is reserved between the stainless steel heat-insulating liner (207) and the tank body (201) and between the stainless steel heat-insulating liner and the partition plate (206).

4. A thermostatic heating device for leather retanning according to claim 1, characterised in that: be connected with communicating pipe (8) between the inboard bottom of the bottom of constant temperature drum (3) and stainless steel heat-preservation container (207), communicating pipe (8) are U type tubular structure, the surface mounting of communicating pipe (8) has water-passing solenoid valve (803), the lower terminal surface of communicating pipe (8) is connected with fluid-discharge tube (801), the surface mounting of fluid-discharge tube (801) has flowing back solenoid valve (802).

5. A thermostatic heating device for leather retanning according to claim 4, characterised in that: and a filter screen is arranged on the inner side of the constant temperature drum (3) at the joint of the communicating pipe (8).

6. A thermostatic heating device for leather retanning according to claim 1, characterised in that: the surface of the rotary drum (6) is provided with a net-shaped cover plate (601), and the inner side of the rotary drum (6) is provided with a leather throwing port (602) at the net-shaped cover plate (601).

7. A thermostatic heating device for leather retanning according to claim 1, characterised in that: the inner side surface of the constant temperature drum (3) is adhered with a soft porcelain insulation board (305).

8. A thermostatic heating device for leather retanning according to claim 1, characterised in that: the fixing frame (301) comprises cross brackets (302) welded on the surfaces of the two sides of the rotary drum (6) and four fixing rods (303) connected between the two cross brackets (302).

9. A thermostatic heating device for leather retanning according to claim 1, characterised in that: the top of the liquid preparation tank (2) is provided with a feeding port (212), the feeding port (212) is provided with a cork, the right side of the liquid preparation tank (2) is connected with a water inlet pipe (213), and the surface of the water inlet pipe (213) is provided with a water inlet control valve (214).