Bath recirculating sampling device for tannery tannery process

Abstract

The utility model relates to the technical field of tanning mechanical equipment discloses bath liquid circulation formula sampling device in tanning tanning process, including support leg and install the rotary drum in support leg top, the one side outer wall of rotary drum is connected with the pipeline of arc structure, pipeline connection partitioning runner and extends to the liquid storage tank, the sampling pipe is connected in the middle part of pipeline, and the fixed plate that opens the limit slot is installed in the pipeline inside with spring, and the bolt is arranged in the limit slot and is used for adjusting the fixed plate position, the inside fixed of rotary drum bears the shell, screen cloth and cleaning mechanism, and the cleaning mechanism contains the bevel gear and the circular gear that intermesh, handle passes out rotary drum bottom and drives the scraper to rotate along the screen cloth surface through the gear set. The utility model discloses through the spring cooperation fixed plate automatic regulation sampling flow, and utilizes the inside scraper cleaning screen cloth through external handle drive, solved the problem that flow is difficult to control and screen cloth is easy to block, guaranteed sampling stability and bath liquid circulation unobstructed.

Description

Technical Field

[0001] This utility model relates to the field of leather tanning machinery and equipment technology, and in particular to a bath liquid circulation sampling device in the leather tanning process. Background Technology

[0002] The tanning process requires soaking the leather inside a rotating drum filled with a bath containing chemical agents. To ensure that the tanning effect meets the process standards, operators need to regularly sample and test the bath inside the drum and adjust the amount of chemicals added based on the test results.

[0003] The existing sampling method directly draws out the bath liquid through the pipeline. The bath liquid flows at a relatively fast speed under the action of gravity or centrifugal force. The lack of an effective flow buffer and regulation structure will cause the bath liquid to splash or flow out excessively during sampling, resulting in waste of chemical materials and pollution of the site environment.

[0004] Along with the bath liquid flow, there are also leather flakes and grease that are shed from the leather. In order to prevent the pipe from being blocked, a filter screen needs to be installed at the outlet. Long-term operation will cause a large amount of leather flakes to accumulate on the surface of the screen, blocking the flow of the bath liquid and causing the sampling pipeline to be interrupted. Operators cannot clean the internal screen while the drum is running. Stopping the machine to clean it reduces production efficiency and makes it difficult to completely remove the stubborn dirt inside the mesh.

[0005] Therefore, this utility model proposes a bath liquid circulation sampling device in the leather tanning process to overcome the shortcomings of the prior art. Utility Model Content

[0006] In view of the problems existing in the tanning process, such as the difficulty in accurately controlling the sampling flow rate, which leads to splashing and waste of tanning liquid, and the fact that the internal filter components of the drum are easily clogged by leather scraps and grease, resulting in reduced circulation efficiency and difficult cleaning and maintenance, this utility model aims to provide a tanning process tanning liquid circulation sampling device with an improved structure that can effectively solve the above problems.

[0007] This utility model provides a bath liquid circulation sampling device for the tanning process, comprising: a support leg, and a rotating drum installed above the support leg; an arc-shaped pipe is installed on one outer wall of the rotating drum, one end of the pipe is fixedly connected to the top of a partition slide, the bottom of the partition slide is fixedly connected to the other end of the pipe, a liquid storage tank is fixedly connected to the bottom of the pipe, and a sampling tube is fixedly connected to the middle of the pipe; as well as a flow regulating component disposed inside the pipe and a cleaning component disposed inside the rotating drum.

[0008] The flow regulating component includes a spring and a fixing plate installed inside the pipe. One end of the spring is fixedly connected to the fixing plate. A limit groove is formed in the middle of the fixing plate, and a bolt passes through the limit groove. The bolt is threadedly connected to a nut.

[0009] Furthermore, the cleaning assembly includes a screen fixed inside the drum and a cleaning mechanism. The cleaning mechanism includes a support shell fixed inside the drum. A bevel gear one is installed inside the support shell. The bevel gear one meshes with a bevel gear two. The bevel gear two meshes with a spur gear. A handle is fixedly connected to the bottom of the bevel gear one. The handle passes through the support shell and the bottom of the drum. A rotating column is fixedly connected to the outer wall of the middle part of the spur gear. A scraper is fixedly connected to the top of the rotating column. One end of the rotating column is rotatably connected to the screen.

[0010] Preferably, the support leg serves as the load-bearing component of the entire device, the drum is mounted on the support leg, and the pipe is installed in an arc shape on one side of the outer wall of the drum. The bath liquid is configured to enter the partition slide through the arc-shaped pipe and flow into the storage tank through the pipe by its own gravity. This gravity-guided structure can achieve natural flow and circulation of liquid without additional pumping power.

[0011] Preferably, the sampling tube is fixed in the middle of the pipe, the spring is installed inside the pipe, one end of the spring is fixed to the fixing plate, and the fixing plate is configured to divert the bath liquid from the sampling tube under the impact of the bath liquid, and push the fixing plate to reset under the elastic action of the spring. This elastic buffering structure can automatically balance the position of the fixing plate according to the impact force of the liquid flow to prevent excessive flow.

[0012] Preferably, the fixing plate has a limiting groove extending vertically in the middle, the bolt passes through the limiting groove and is threadedly connected to the nut, the bolt is configured to rotate and adjust its position within the limiting groove, and the fixing plate is fixed by rotating the nut, thereby enabling manual control of the opening size of the sampling channel or complete closure of the sampling channel.

[0013] Preferably, the screen is fixed inside the drum, and the cleaning mechanism is configured to sweep away skin flakes present in the cleaning bath liquid from the screen, replacing manual disassembly and cleaning with a built-in mechanical scraping method, thereby improving the operating efficiency of the equipment.

[0014] Preferably, the support shell is fixed inside the drum, the first bevel gear is installed inside the support shell and meshes with the second bevel gear, the handle is fixed to the bottom of the first bevel gear and passes through the support shell and the bottom of the drum, and rotating the handle is configured to drive the first bevel gear to rotate, thereby transmitting external manual rotational force to the inside of the drum.

[0015] Preferably, the second bevel gear meshes with the spur gear, and the rotation of the first bevel gear is configured to drive the second bevel gear and the spur gear to rotate. The conversion and transmission of power direction are realized through the meshing transmission of the gear set, ensuring the stability of the internal mechanism operation.

[0016] Preferably, the rotating column is fixed to the outer wall of the middle part of the sprocket, and the scraper is fixed to the top of the rotating column. One end of the rotating column is rotatably connected to the screen. The sprocket is configured to drive the rotating column to rotate on the outer wall of the screen and drive the scraper to scrape the surface of the screen. The scraper is provided with a cleaning head, which is configured to clean the inside of the screen and can penetrate deep into the mesh to remove blockages, thus ensuring the permeability of the screen.

[0017] This utility model has the following beneficial effects:

[0018] 1. This utility model solves the problem of inaccurate control of bath liquid sampling flow and easy overflow in the prior art by setting a flow regulating component consisting of a spring and a fixed plate inside the pipe. It utilizes the impact force of water flow in combination with the elastic buffer of the spring to control the displacement of the fixed plate. It achieves the effect of automatically diverting an appropriate amount of bath liquid for testing, and realizes the opening, closing and flow locking of the sampling function through the cooperation of bolts and nuts, ensuring the stability and reliability of the sampling process.

[0019] 2. This utility model solves the problem in the prior art that the drum filter screen is easily clogged by leather scraps and impurities generated during the leather making process, thus affecting the efficiency of bath liquid circulation, by setting a cleaning mechanism including a gear transmission group and a scraper inside the drum. The scraper is driven to rotate along the screen surface by an external handle. This achieves the effect of deep cleaning of the screen surface and the inside of the mesh without disassembling the equipment, effectively preventing clogging and ensuring smooth circulation of bath liquid. Attached Figure Description

[0020] Figure 1 This is a front perspective view of the bath liquid circulation sampling device for the leather tanning process proposed in this utility model.

[0021] Figure 2 This is a partial structural diagram of the partition slide of the bath liquid circulation sampling device proposed in this utility model during the leather tanning process.

[0022] Figure 3 This is a partial structural breakdown of the limiting groove of the bath liquid circulation sampling device proposed in this utility model during the leather tanning process;

[0023] Figure 4 This is a partial structural diagram of the sieve of the bath liquid circulation sampling device proposed in this utility model during the leather tanning process.

[0024] Figure 5 This is a partial structural breakdown of the rotating column of the bath liquid circulation sampling device proposed in this utility model during the leather tanning process;

[0025] Figure 6 This is a partial structural cross-sectional view of the bevel gear of the bath liquid circulation sampling device proposed in this utility model during the leather tanning process.

[0026] Legend:

[0027] 1. Support leg; 2. Cleaning mechanism; 201. Bearing shell; 202. Bevel gear one; 203. Bevel gear two; 204. Handle; 205. Circular gear; 206. Rotating column; 207. Scraper; 208. Screen; 3. Drum; 4. Pipeline; 5. Partition slide; 6. Liquid storage tank; 7. Sampling tube; 8. Fixing plate; 9. Spring; 10. Limiting groove; 11. Bolt; 12. Nut. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0029] Example:

[0030] Please refer to Figures 1 to 6 This utility model provides a bath liquid circulation sampling device for the tanning process, which aims to solve the structural defects of existing tanning equipment, such as difficulty in accurately controlling the flow rate during bath liquid sampling and the easy clogging of the filter screen in the drum 3 by leather scraps, thus affecting the bath liquid circulation treatment effect.

[0031] Please refer to Figure 1 and Figure 2The bath liquid circulation sampling device in the leather tanning process includes a support leg 1 and a rotating drum 3 installed on the top of the support leg 1. A pipe 4 is connected to one side of the outer wall of the rotating drum 3. A partition chute 5 is fixedly connected to the middle of the pipe 4. A liquid storage tank 6 is fixedly connected to the bottom end of the pipe 4. A sampling tube 7 is also fixedly connected to the middle side wall of the pipe 4. The part of the pipe 4 between the rotating drum 3 and the partition chute 5 has an arc-shaped structure. The pipe 4 is fixedly connected to the outer wall of the rotating drum 3 through a flange. One end of the pipe 4 is connected to the top opening of the partition chute 5. The bottom of the partition chute 5 is connected to the other end of the pipe 4 and extends into the interior of the liquid storage tank 6. The sampling tube 7 is located on the pipe 4 between the partition chute 5 and the liquid storage tank 6. The bath liquid is configured to enter the partition chute 5 through the arc-shaped pipe 4 and flow into the liquid storage tank 6 from the pipe 4 by its own gravity. The sampling tube 7 is used to export part of the bath liquid flowing through the pipe 4 for testing and analysis.

[0032] Please refer to Figure 4 , Figure 5 and Figure 6 A screen 208 is fixedly installed inside the drum 3. A cleaning mechanism 2 is also provided inside the drum 3. The cleaning mechanism 2 includes a support shell 201 fixed inside the drum 3, a rotating column 206 rotatably mounted on the support shell 201, and a scraper 207 fixed to the top of the rotating column 206. A bevel gear 1 202 and a bevel gear 203 are rotatably mounted inside the support shell 201 and mesh with each other. A handle 204 is fixedly connected to the bottom of the bevel gear 1 202. The bottom end of the handle 204 passes through the support shell 201 and extends out of the bottom of the drum 3. A spur gear 205 is rotatably mounted on the bearing housing 201. The spur gear 205 meshes with a bevel gear 203. A rotating column 206 is fixedly connected to the middle of the spur gear 205. One end of the rotating column 206 is fixedly connected to the spur gear 205, and the other end of the rotating column 206 is rotatably connected to the center of the screen 208. The scraper 207 is attached to the surface of the screen 208 and extends radially along the rotating column 206. The cleaning mechanism 2 is used to drive the internal gear set through the handle 204 to drive the scraper 207 to clean the surface of the screen 208.

[0033] Please refer to Figure 3 The fixing plate 8 is slidably installed inside the pipe 4. The fixing plate 8 is located at the connection between the sampling tube 7 and the pipe 4. The side of the fixing plate 8 facing the liquid storage tank 6 is abutted against by a spring 9. The end of the spring 9 away from the fixing plate 8 is fixedly connected to the inner wall of the pipe 4. The spring 9 is used to provide reverse elastic support force for the fixing plate 8. A limiting groove 10 is opened in the middle of the fixing plate 8. The limiting groove 10 is a through hole extending along the length direction of the fixing plate 8. A bolt 11 is slidably inserted in the limiting groove 10. One end of the bolt 11 passes through the side wall of the pipe 4 and extends to the outside of the pipe 4 and is threadedly connected to a nut 12.

[0034] Meanwhile, the fixed plate 8 achieves stroke limitation through the cooperation of the limiting groove 10 and the bolt 11. In the assembled state, the bolt 11 is limited in the opening on the side wall of the pipe 4, the shank of the bolt 11 is located in the limiting groove 10, and the nut 12 is located outside the pipe 4 to lock the bolt 11, ensuring that the operator can adjust the position or range of motion of the fixed plate 8 inside the pipe 4 from the outside.

[0035] During operation, the bath liquid flows from pipe 4 into storage tank 6. The impact force of the bath liquid flow pushes the fixed plate 8 to slide along pipe 4. When the fixed plate 8 slides, it compresses spring 9. The displacement of the fixed plate 8 allows some bath liquid to enter the sampling tube 7, thus diverting a small amount of bath liquid. The elastic restoring force of spring 9 pushes the fixed plate 8 to balance the impact force of the liquid flow and prevent the fixed plate 8 from moving too much, causing excessive outflow of bath liquid. When bath liquid sampling is not required, the bolt 11 is rotated to the closed position along the limiting groove 10, and then the nut 12 is rotated to fix the fixed plate 8, thereby blocking the sampling flow path and achieving stable flow control.

[0036] In a preferred embodiment, in order to guide the flow of bath liquid by gravity and ensure a stable connection, the part of pipe 4 located between drum 3 and partition chute 5 is designed as an arc structure. Pipe 4 is fixedly connected to the outer wall of one side of drum 3 by a flange. One end of pipe 4 is connected to the top opening of partition chute 5. The bottom of partition chute 5 is connected to the other end of pipe 4 and extends vertically into the interior of storage tank 6. Sampling tube 7 is connected to the side wall of pipe 4 between partition chute 5 and storage tank 6.

[0037] In another preferred embodiment, to prevent dander from clogging the screen 208 and to improve cleaning efficiency, the rotating column 206 is fixedly connected to the middle outer wall of the sprocket 205, one end of the rotating column 206 is rotatably connected to the center of the screen 208, and the scraper 207 is fixedly connected to the top of the rotating column 206 and extends radially. A cleaning head is provided on the side surface of the scraper 207 facing the screen 208. When the sprocket 205 drives the rotating column 206 to rotate, the scraper 207 moves in a circular motion against the surface of the screen 208, and the cleaning head extends into the mesh of the screen 208 to clean.

[0038] Working principle:

[0039] The support leg 1 serves as the load-bearing component of the entire device to support the rotating drum 3. The bath liquid enters the partition slide 5 through the arc-shaped pipe 4 installed on the outer wall of one side of the rotating drum 3. Under its own gravity, the bath liquid continues to flow down from the pipe 4 into the storage tank 6. When the bath liquid flows from the pipe 4 into the storage tank 6, the impact force of the bath liquid flow impacts the fixed plate 8 inside the pipe 4. After the fixed plate 8 is subjected to force, it compresses the spring 9 and moves, so that the sampling tube 7 is connected to the pipe 4, thereby diverting a small amount of bath liquid. At the same time, the spring 9 uses its own elasticity to push the fixed plate 8 back, preventing the fixed plate 8 from moving too much and causing excessive bath liquid to flow out. When bath liquid sampling is not required, the operator rotates the bolt 11 along the limit groove 10 to the designated position, and then rotates the nut 12 to lock and fix the fixed plate 8, thereby achieving stable control or cutoff of the flow rate.

[0040] When dander adheres to the surface of the screen 208 and needs to be cleaned, the operator rotates the handle 204 located at the bottom of the drum 3. The handle 204 drives the bevel gear 202 inside the bearing housing 201 to rotate. The bevel gear 202 drives the meshing bevel gear 203 to rotate. The bevel gear 203 drives the meshing sprocket 205 to rotate. The sprocket 205 drives the rotating column 206 to rotate. The rotating column 206 drives the scraper 207 at the top to make a circular motion on the surface of the screen 208. The scraper 207 scrapes away the impurities adhering to the surface of the screen 208. At the same time, the cleaning head on the scraper 207 extends into the mesh of the screen 208 to sweep away the dander, thereby preventing the screen 208 from being blocked and ensuring smooth circulation of the bath liquid.

Claims

1. A bath solution circulation sampling device for leather tanning process, comprising: Support leg (1) and drum (3) mounted on the support leg (1); Its features are, The outer wall of one side of the drum (3) is equipped with an arc-shaped pipe (4). One end of the pipe (4) is fixedly connected to the top of the partition slide (5), the bottom of the partition slide (5) is fixedly connected to the other end of the pipe (4), the bottom of the pipe (4) is fixedly connected to a liquid storage tank (6), and the middle of the pipe (4) is fixedly connected to a sampling tube (7). The pipe (4) is equipped with a spring (9) and a fixing plate (8). One end of the spring (9) is fixedly connected to the fixing plate (8). A limiting groove (10) is opened in the middle of the fixing plate (8). A bolt (11) is inserted in the limiting groove (10). The bolt (11) is threadedly connected to a nut (12). The drum (3) is equipped with a screen (208) and a cleaning mechanism (2). The cleaning mechanism (2) includes a support shell (201) fixed inside the drum (3). A bevel gear (202) is installed inside the support shell (201). The bevel gear (202) is meshed with a bevel gear (203). The bevel gear (203) is meshed with a spur gear (205). A handle (204) is fixedly connected to the bottom of the bevel gear (202). The handle (204) passes through the support shell (201) and the bottom of the drum (3). A rotating column (206) is fixedly connected to the outer wall of the middle part of the spur gear (205). A scraper (207) is fixedly connected to the top of the rotating column (206). One end of the rotating column (206) is rotatably connected to the screen (208).

2. The bath solution circulating sampling device according to claim 1, characterized in that, The support leg (1) serves as the supporting component of the circulating sampling device. The drum (3) is mounted on the support leg (1). The pipe (4) is installed in an arc shape on one side of the outer wall of the drum (3). The bath liquid is configured to enter the partition slide (5) through the arc-shaped pipe (4) and flow into the storage tank (6) by its own gravity from the pipe (4).

3. The bath solution circulating sampling device in the leather tanning process according to claim 1, characterized in that, The sampling tube (7) is fixed in the middle of the pipe (4), the spring (9) is installed inside the pipe (4), and one end of the spring (9) is fixed to the fixing plate (8).

4. The bath solution circulating sampling device in the leather tanning process according to claim 3, characterized in that, The fixing plate (8) has a limiting groove (10) extending vertically in the middle, and the bolt (11) passes through the limiting groove (10) and is threadedly connected to the nut (12).

5. The bath solution circulating sampling device in the leather tanning process according to claim 1, characterized in that, The screen (208) is fixed inside the drum (3).

6. The bath solution circulation sampling device according to claim 1, characterized in that, The bearing shell (201) is fixed inside the drum (3), the first bevel gear (202) is installed inside the bearing shell (201) and meshes with the second bevel gear (203), and the handle (204) is fixed to the bottom of the first bevel gear (202) and passes through the bearing shell (201) and the bottom of the drum (3).

7. The bath solution circulating sampling device in the leather tanning process according to claim 6, characterized in that, The bevel gear (203) meshes with the spur gear (205).

8. The bath solution circulation sampling device according to claim 1, characterized in that, The rotating column (206) is fixed to the outer wall of the middle part of the spur gear (205), the scraper (207) is fixed to the top of the rotating column (206), and one end of the rotating column (206) is rotatably connected to the screen (208).

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