Efficient dyeing device for coral lint

Abstract

The invention provides an efficient coral lint dyeing device, and relates to the technical field of cloth dyeing equipment, the efficient coral lint dyeing device comprises a device shell and an adding structure; a supporting vertical plate is fixedly connected to the bottom of the device shell, a dip dyeing cavity is formed in one side of the device shell, a cover plate is arranged at the top of the dip dyeing cavity, a tightening roller is arranged in the dip dyeing cavity, adding structures are arranged on the two sides of the device shell, and each adding structure comprises a material guide pipe fixedly connected to the two sides of the device shell and a material guide pipe fixedly connected to the other side of the device shell. The top of the material guiding pipe is fixedly connected with a connecting hopper, and a clamping rotating ring groove is formed in the inner wall of the connecting hopper; through the arrangement of the adding structure, automatic quantification and adding of dye are achieved, traditional manual adding operation is completely replaced, dependence on manpower is remarkably reduced, the labor intensity of the manpower is reduced, meanwhile, the dyeing procedure is more continuous, the shutdown waiting time caused by manual adding is eliminated, the production efficiency is improved, and the production cost is reduced. The production period is greatly shortened, and the overall production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cloth dyeing equipment, and in particular to a coral fleece cloth high-efficiency dyeing device. Background Art

[0002] Coral fleece is a new type of fabric with fine texture, soft touch, no linting, no pilling, and excellent water absorption performance. It is widely used in the fields of home textiles and clothing. However, in the production process of coral fleece fabrics, coral fleece fabrics are usually dyed to make them present different colors to meet the aesthetic needs of different consumers. However, the existing dyeing devices rely on manual addition of dyes, with a low degree of automation and significant disadvantages. On the one hand, operators need to add dyes frequently manually, which greatly increases labor intensity and consumes labor costs; on the other hand, this process seriously hinders the production rhythm and prolongs the dyeing cycle of each batch of fabrics, making it difficult to improve the overall production efficiency and unable to meet the needs of efficient production. Summary of the invention

[0003] In view of this, the present invention provides a coral fleece fabric efficient dyeing device, which can realize automatic quantification and addition of dyes through the setting of an adding structure, completely replaces the traditional manual adding operation, significantly reduces the dependence on manpower, reduces the labor intensity, and makes the dyeing process more continuous, eliminates the downtime waiting time caused by manual adding, greatly shortens the production cycle, improves the overall production efficiency, speeds up the production rhythm, and significantly improves the production capacity; through the setting of the extrusion and dehydration structure, it can automatically adjust the extrusion force according to the thickness and water content of the fabric, which can avoid damage to the fabric caused by excessive extrusion. Compared with the traditional fixed extrusion method, the spring can better protect the fiber structure and appearance of the fabric while ensuring the dehydration effect, and prevent the fabric from wrinkling, deformation or fluff lodging.

[0004] The present invention provides a coral fleece cloth high-efficiency dyeing device, which specifically comprises: a device housing and an adding structure; The bottom of the device shell is fixedly connected with a supporting vertical plate, a dyeing chamber is provided inside one side of the device shell, a cover plate is provided on the top of the dyeing chamber, a tensioning roller is provided inside the dyeing chamber, and an adding structure is provided on both sides of the device shell, and the adding structure includes: The material guide pipe is fixedly connected to both sides of the device housing, the top of the material guide pipe is fixedly connected to a connecting bucket, and the inner wall of the connecting bucket is provided with a swivel ring groove; The rotating belt reel is arranged on the top of the connecting bucket, the outer side of the rotating belt reel is fixedly connected with a locking convex ring, the locking convex ring is fitted in the locking ring groove, an offset hole is opened on the rotating belt reel, and the top of the rotating belt reel is fixedly connected with a driving clamping column; The material storage bucket is arranged on the top of the rotating belt pulley. A material guiding convex column is fixedly connected inside the material storage bucket. A through hole is opened at the bottom of the material storage bucket, and a connecting support cylinder is fixedly connected to the bottom of the through hole. The connecting chassis is fixedly connected to the bottom of the connecting support cylinder. A blanking hole is opened on the connecting chassis, and a clamping rotating shaft groove is opened inside the connecting chassis. The driving clamping column is rotatably installed in the clamping rotating shaft groove. A servo motor is fixedly installed inside the material guiding convex column. The driving end of the servo motor penetrates through the connecting chassis and is fixedly connected to the driving clamping column.

[0005] In at least some embodiments, a stirring assembly is arranged inside the dyeing cavity. The stirring assembly includes a driving motor and a first rotating rod. An assembly carrier seat is fixedly connected to the inner side of the supporting vertical plate. The driving motor is fixedly installed on the assembly carrier seat. A first rotating rod is rotatably arranged inside the dyeing cavity. The driving end of the driving motor is fixedly connected to the end of the first rotating rod.

[0006] In at least some embodiments, a second rotating rod is rotatably arranged inside the dyeing cavity. A stirring rod is fixedly connected to the outer side of the second rotating rod. A first belt pulley is fixedly connected to the outer side of the first rotating rod. A second belt pulley is fixedly connected to the outer side of the second rotating rod. The first belt pulley is rotationally connected to the second belt pulley through a synchronous belt.

[0007] In at least some embodiments, an extrusion dehydration structure is arranged on one side of the dyeing cavity. The extrusion dehydration structure includes a dehydration tank and a diversion inclined groove. A dehydration tank is opened on one side of the dyeing cavity. A diversion inclined groove is opened at the bottom of the dehydration tank. The diversion inclined groove communicates with the dyeing cavity.

[0008] In at least some embodiments, a connecting support frame is arranged on one side of the dehydration tank. An insertion slot is opened inside the connecting support frame.

[0009] In at least some embodiments, a connecting insertion frame is inserted inside the insertion slot. A filter screen is arranged at the bottom of the connecting insertion frame. A handle is fixedly connected to the top of the connecting insertion frame.

[0010] In at least some embodiments, a fixed concave frame is fixedly connected to the top of the dehydration tank. A lower rolling roller is arranged on the fixed concave frame. An activity sliding groove is opened on the fixed concave frame. A fixed vertical rod is arranged in the activity sliding groove. A spring is sleeved on the outer side of the fixed vertical rod.

[0011] In at least some embodiments, a movable belt plate is arranged between the fixed concave frames. The movable belt plate is slidably installed on the outer side of the fixed vertical rod through a sliding support hole. A connecting support is fixedly connected to the bottom of the movable belt plate. An upper pressing roller is arranged between the connecting supports.

[0012] The high-efficiency dyeing device for coral fleece fabric provided by the present invention has the following beneficial effects: 1. The present invention is provided with a rotating component, and the rotation angle of the servo motor and the intermittent rotation time are set, so that the servo motor can be started to drive the driving column to rotate, and the driving column drives the rotating belt disk to rotate, so that the offset hole on the rotating belt disk is aligned with the connecting support tube, and then the dye passes through the connecting support tube through the offset hole into the connecting bucket, and finally the dye is transported to the dyeing chamber through the material guide pipe. After the intermittent rotation time of the servo motor is reached, the servo motor rotates again, so that the offset hole and the connecting support tube are offset, and the dye cannot fall, so that the automatic quantitative addition of the dye is realized, which completely replaces the traditional manual feeding operation, significantly reduces the dependence on manual labor, reduces the labor intensity, and makes the dyeing process more continuous, eliminates the downtime waiting time caused by manual feeding, greatly shortens the production cycle, improves the overall production efficiency, accelerates the production rhythm, and significantly improves the production capacity.

[0013] 2. The present invention is provided with a stirring assembly, which starts a driving motor to drive the first rotating rod to rotate, the first rotating rod drives the first pulley to rotate, the first pulley drives the second pulley to rotate by synchronously driving, the second pulley drives the second rotating rod to rotate, and then the two groups of rotating rods drive the stirring rod to rotate, so that it stirs the dye, promotes the fluidity of the dye solution, avoids the phenomenon of precipitation and stratification of the dye solution, and ensures the uniformity of fabric dyeing.

[0014] 3. The present invention is provided with an extrusion dehydration structure. The coral fleece fabric after the dye liquid is discharged is passed between the lower roller and the upper pressure roller, so that the thickness of the coral fleece fabric drives the upper pressure roller to move upward, and the upper pressure roller drives the movable belt plate to squeeze the spring on the fixed vertical rod through the connecting bracket to make the spring elastic. Under the reaction force of the spring, the spring pushes the movable belt plate to move downward, so that the fabric is squeezed and dehydrated by the lower roller and the upper pressure roller, which can not only avoid damage to the fabric caused by excessive squeezing, but also the adaptive squeezing method can better protect the fiber structure and appearance of the fabric, and prevent the fabric from wrinkling, deformation or lodging of the fluff. The squeezed dye enters the dehydration trough, and under the inclined surface setting of the diversion chute, the dye is filtered through the filter screen and flows back to the dyeing chamber, which not only avoids the waste of dye, but also reduces the subsequent drying time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0016] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached picture: Figure 1 Shows a schematic diagram of the overall structure according to the present invention; Figure 2Shows a schematic structural diagram of the device housing and the addition structure according to the present invention; Figure 3 Shows a schematic split structural diagram of the addition structure according to the present invention; Figure 4 Shows a schematic structural diagram of some components of the addition structure according to the present invention; Figure 5 Shows a schematic structural diagram of the connection chassis in the addition structure according to the present invention; Figure 6 Shows a schematic diagram of the stirring assembly according to the present invention; Figure 7 Shows a schematic structural diagram of the filter screen in the extrusion dehydration structure according to the present invention; Figure 8 Shows a schematic structural diagram of the extrusion dehydration structure according to the present invention; Figure 9 Shows a schematic diagram of the movable belt plate and the upper pressing roller in the extrusion dehydration structure according to the present invention; List of reference numerals 1. Device housing; 101. Support vertical plate; 102. Dyeing chamber; 1021. Cover plate; 1022. Tensioning roller; 2. Addition structure; 201. Feed pipe; 2011. Connecting hopper; 2012. Clamping rotating ring groove; 202. Rotating belt disc; 2021. Clamping rotating convex ring; 2022. Dislocation hole; 2023. Driving clamping column; 203. Material storage bucket; 2031. Feed convex column; 2032. Through hole; 2033. Connecting support cylinder; 204. Connection chassis; 2041. Material dropping hole; 2042. Clamping rotating shaft groove; 205. Servo motor; 3. Stirring assembly; 301. Assembly carrier seat; 3011. Driving motor; 302. First rotating rod; 3021. Second rotating rod; 303. Stirring rod; 304. First belt pulley; 3041. Second belt pulley; 305. Synchronous belt; 4. Extrusion dehydration structure; 401. Dehydration tank; 4011. Flow guiding inclined groove; 402. Connection support frame; 4021. Insertion slot; 403. Connection insertion frame; 4031. Filter screen; 4032. Handle; 404. Fixed concave frame; 4041. Lower rolling roller; 405. Movable chute; 4051. Fixed vertical rod; 4052. Spring; 406. Movable belt plate; 4061. Sliding support hole; 4062. Connecting bracket; 4063. Upper pressure roller.

[0018] Embodiment: Please refer to Figures 1 to 9 : The present invention provides an efficient dyeing device for coral fleece fabric, comprising: a device housing 1 and an adding structure 2; A support vertical plate 101 is fixedly connected to the bottom of the device housing 1. An immersion chamber 102 is arranged inside one side of the device housing 1. A cover plate 1021 is arranged at the top of the immersion chamber 102. A tensioning roller 1022 is arranged inside the immersion chamber 102. Adding structures 2 are arranged on both sides of the device housing 1. The adding structure 2 includes: A material guiding pipe 201, fixedly connected to both sides of the device housing 1. A connecting hopper 2011 is fixedly connected to the top of the material guiding pipe 201. A clamping and rotating ring groove 2012 is formed on the inner wall of the connecting hopper 2011; A rotating belt disk 202 is arranged at the top of the connecting hopper 2011. A clamping and rotating convex ring 2021 is fixedly connected to the outside of the rotating belt disk 202. The clamping and rotating convex ring 2021 is fitted and installed in the clamping and rotating ring groove 2012. A misaligned hole 2022 is formed on the rotating belt disk 202. A driving clamping column 2023 is fixedly connected to the top of the rotating belt disk 202; A material containing bucket 203 is arranged at the top of the rotating belt disk 202. A material guiding convex column 2031 is fixedly connected to the inside of the material containing bucket 203. A through hole 2032 is formed at the bottom of the material containing bucket 203. A connecting support cylinder 2033 is fixedly connected to the bottom of the through hole 2032; A connecting chassis 204 is fixedly connected to the bottom of the connecting support cylinder 2033. A material dropping hole 2041 is formed on the connecting chassis 204. A clamping rotating shaft groove 2042 is formed inside the connecting chassis 204. The driving clamping column 2023 is rotatably installed in the clamping rotating shaft groove 2042; A servo motor 205 is fixedly installed inside the material guiding convex column 2031. The driving end of the servo motor 205 penetrates through the connecting chassis 204 and is fixedly connected to the driving clamping column 2023; By setting the rotation angle and intermittent rotation time of the servo motor 205, the driving card column 2023 can be driven to rotate by starting the servo motor 205. The driving card column 2023 drives the rotating belt pulley 202 to rotate, so that the misaligned holes 2022 on the rotating belt pulley 202 are aligned with the connecting support cylinder 2033. Then, the dye passes through the connecting support cylinder 2033, passes through the misaligned holes 2022, and enters the connecting hopper 2011. Finally, the dye is transported to the dipping chamber 102 through the material guiding pipe 201. When it reaches the intermittent rotation time of the servo motor 205, the servo motor 205 rotates again, causing the misaligned holes 2022 to be misaligned with the connecting support cylinder 2033, so that the dye cannot fall.

[0019] Embodiment 2: On the basis of Embodiment 1, as Figure 6 shown, a stirring assembly 3 is provided inside the dipping chamber 102. The stirring assembly 3 includes an assembly carrier seat 301, a driving motor 3011, a first rotating rod 302, and a second rotating rod 3021. The inner side of the support vertical plate 101 is fixedly connected with an assembly carrier seat 301. A driving motor 3011 is fixedly installed on the assembly carrier seat 301. A first rotating rod 302 and a second rotating rod 3021 are provided inside the dipping chamber 102. At the same time, the driving end of the driving motor 3011 is fixedly connected to the end of the first rotating rod 302.

[0020] Stirring rods 303 are fixedly connected to the outer sides of the first rotating rod 302 and the second rotating rod 3021. A first belt pulley 304 is fixedly connected to the outer side of the first rotating rod 302. A second belt pulley 3041 is fixedly connected to the outer side of the second rotating rod 3021. The first belt pulley 304 is rotationally connected to the second belt pulley 3041 through a synchronous belt 305.

[0021] By starting the driving motor 3011 to drive the first rotating rod 302 to rotate, the first rotating rod 302 drives the first belt pulley 304 to rotate. The first belt pulley 304 drives the second belt pulley 3041 to rotate through the synchronous belt 305. The second belt pulley 3041 drives the second rotating rod 3021 to rotate. Then, the two rotating rods drive the stirring rods 303 to rotate, so as to stir the dye.

[0022] Embodiment 3: On the basis of Embodiment 1 and Embodiment 2, as Figures 6 to 9 shown, an extrusion dehydration structure 4 is provided on one side of the dipping chamber 102. The extrusion dehydration structure 4 includes a dehydration tank 401 and a diversion inclined groove 4011. A dehydration tank 401 is opened on one side of the dipping chamber 102. A diversion inclined groove 4011 is opened at the bottom of the dehydration tank 401. The diversion inclined groove 4011 communicates with the dipping chamber 102.

[0023] A connecting support frame 402 is provided on one side of the dehydration tank 401. An insertion groove 4021 is opened inside the connecting support frame 402.

[0024] The inside of the insertion slot 4021 is inserted with a connection insertion frame 403. A filter screen 4031 is provided at the bottom of the connection insertion frame 403, and a handle 4032 is fixedly connected to the top of the connection insertion frame 403.

[0025] A fixed concave frame 404 is fixedly connected to the top of the dehydration tank 401. A lower rolling roller 4041 is provided on the fixed concave frame 404. An activity chute 405 is opened on the fixed concave frame 404. A fixed vertical rod 4051 is provided in the activity chute 405. A spring 4052 is sleeved on the outside of the fixed vertical rod 4051.

[0026] An activity belt plate 406 is provided between the fixed concave frames 404. The activity belt plate 406 is slidably installed on the outside of the fixed vertical rod 4051 through a sliding support hole 4061. A connection bracket 4062 is fixedly connected to the bottom of the activity belt plate 406. An upper pressing roller 4063 is provided between the connection brackets 4062.

[0027] By passing the coral fleece fabric after discharging the dyeing liquid through between the lower rolling roller 4041 and the upper pressing roller 4063, the thickness of the coral fleece fabric drives the upper pressing roller 4063 to move upward. The upper pressing roller 4063 drives the activity belt plate 406 through the connection bracket 4062 to squeeze the spring 4052 on the fixed vertical rod 4051, so that the spring 4052 generates elasticity. Under the reaction force of the spring 4052, the spring 4052 pushes the activity belt plate 406 to move downward, so that it squeezes and dehydrates the fabric through the cooperation of the upper pressing roller 4063 and the lower rolling roller 4041. The squeezed dyeing liquid enters the dehydration tank 401. Under the setting of the inclined surface of the diversion chute 4011, the dyeing liquid passes through the filter screen 4031 for filtration and then flows back to the impregnation chamber 102 again.

[0028] Specific usage and function of this embodiment: In the present invention, water is first transported to the dyeing chamber 102, and then the water is heated to a certain temperature by the heating coil, and then the rotation angle of the servo motor 205 and the intermittent rotation time are set, and then the servo motor 205 is started to drive the driving column 2023 to rotate, and the driving column 2023 drives the rotating belt disk 202 to rotate, so that the offset hole 2022 on the rotating belt disk 202 is aligned with the connecting support tube 2033, and then the dye passes through the offset hole 2022 through the connecting support tube 2033 and enters the connecting bucket 2011, and finally the dye is transported to the dyeing chamber 102 through the guide tube 201, and reaches the servo motor 205. After the servo motor 205 rotates intermittently for a period of time, the servo motor 205 rotates again, so that the misaligned hole 2022 is misaligned with the connecting support tube 2033, so that the dye cannot fall, so that the automatic quantitative addition of the dye is realized, which completely replaces the traditional manual feeding operation, significantly reduces the dependence on manual labor, reduces the labor intensity, and makes the dyeing process more continuous, eliminates the downtime waiting time caused by manual feeding, greatly shortens the production cycle, improves the overall production efficiency, speeds up the production rhythm, and significantly improves the production capacity. Then, the driving motor 3011 is started to drive the first rotating rod 302 to rotate, and the first rotating rod 302 drives the first pulley 30 4 rotates, the first pulley 304 drives the second pulley 3041 to rotate through the synchronous belt 305, the second pulley 3041 drives the second rotating rod 3021 to rotate, and then the two sets of rotating rods drive the stirring rod 303 to rotate, so that the dye and water are stirred to fully blend the dye and water, and then the cloth is introduced into the dyeing chamber 102 for dyeing, and then the coral fleece cloth after the dye liquid is passed between the lower roller 4041 and the upper pressing roller 4063, so that the thickness of the coral fleece cloth drives the upper pressing roller 4063 to move upward, and the upper pressing roller 4063 drives the movable belt plate 406 to squeeze the spring 4052 on the fixed vertical rod 4051 through the connecting bracket 4062 , so that the spring 4052 produces elasticity. Under the reaction force of the spring 4052, the spring 4052 pushes the movable belt plate 406 to move downward, so that the cloth is squeezed and dehydrated through the cooperation of the upper pressing roller 4063 and the lower roller 4041. The squeezed dye enters the dewatering tank 401. Under the inclined setting of the diversion chute 4011, the dye is filtered through the filter screen 4031 and flows back to the dyeing chamber 102. It can not only avoid damage to the cloth caused by excessive squeezing, but also better protect the fiber structure and appearance of the cloth, prevent the cloth from wrinkling, deformation or fluff lodging, and avoid waste of dye, reducing the subsequent drying time.

Claims

1. A coral fleece fabric high-efficiency dyeing device, comprising: Device housing (1) and additional structure (2); The bottom of the device housing (1) is fixedly connected to a support vertical plate (101); a dyeing chamber (102) is provided inside one side of the device housing (1); a cover plate (1021) is provided on the top of the dyeing chamber (102); a tensioning roller (1022) is provided inside the dyeing chamber (102); and an adding structure (2) is provided on both sides of the device housing (1), characterized in that the adding structure (2) comprises: A material guide pipe (201) is fixedly connected to two sides of the device housing (1); a connecting bucket (211) is fixedly connected to the top of the material guide pipe (201); and a swivel ring groove (212) is provided on the inner wall of the connecting bucket (2011); A rotating belt reel (202) is arranged on the top of the connecting bucket (211); a locking convex ring (221) is fixedly connected to the outer side of the rotating belt reel (202); the locking convex ring (221) is fitted in the locking ring groove (212); an offset hole (222) is provided on the rotating belt reel (202); and a driving clamping column (223) is fixedly connected to the top of the rotating belt reel (202); A material holding barrel (203) is arranged on the top of the rotating belt disk (202), a material guiding boss (2031) is fixedly connected inside the material holding barrel (203), a through hole (2032) is opened at the bottom of the material holding barrel (2033), and a connecting support tube (2033) is fixedly connected to the bottom of the through hole (2032); The connecting chassis (204) is fixedly connected to the bottom of the connecting support tube (2033); a material drop hole (2041) is provided on the connecting chassis (204); a rotating shaft groove (2042) is provided inside the connecting chassis (204); and the driving column (223) is rotatably installed in the rotating shaft groove (2042); A servo motor (205) is fixedly mounted inside the material guiding boss (2031), and a driving end of the servo motor (205) passes through the connecting chassis (204) and is fixedly connected to the driving clamping column (2023).

2. The coral fleece cloth efficient dyeing device according to claim 1, characterized in that: A stirring assembly (3) is provided inside the dyeing chamber (102), the stirring assembly (3) comprising a driving motor (3011) and a first rotating rod (302); an assembly carrier (301) is fixedly connected to the inner side of the supporting vertical plate (101); the driving motor (3011) is fixedly mounted on the assembly carrier (301); a first rotating rod (302) is rotatably provided inside the dyeing chamber (102); a stirring rod (303) is fixedly connected to the outer side of the first rotating rod (302); and a driving end of the driving motor (3011) is fixedly connected to an end of the first rotating rod (302).

3. The coral fleece cloth efficient dyeing device according to claim 2, characterized in that: A second rotating rod (3021) is rotatably arranged inside the dyeing chamber (102); a stirring rod (303) is fixedly connected to the outer side of the second rotating rod (3021); a first belt pulley (304) is fixedly connected to the outer side of the first rotating rod (302); a second belt pulley (3041) is fixedly connected to the outer side of the second rotating rod (3021); and the first belt pulley (304) is rotatably connected to the second belt pulley (3041) via a synchronous belt (305).

4. The coral fleece fabric high-efficiency dyeing device according to claim 1, characterized in that: An extrusion dehydration structure (4) is provided on one side of the dyeing chamber (102), the extrusion dehydration structure (4) comprising a dehydration trough (401) and a diversion chute (4011); a dehydration trough (401) is provided on one side of the dyeing chamber (102), a diversion chute (4011) is provided at the bottom of the dehydration trough (401), and the diversion chute (4011) is communicated with the dyeing chamber (102).

5. The coral fleece fabric high-efficiency dyeing device according to claim 4, characterized in that: A connecting support frame (402) is provided on one side of the dewatering tank (401), and an inserting slot (4021) is provided inside the connecting support frame (402).

6. The coral fleece cloth efficient dyeing device according to claim 5, characterized in that: A connection frame (403) is inserted into the insertion slot (4021), a filter screen (4031) is provided at the bottom of the connection frame (403), and a handle (4032) is fixedly connected to the top of the connection frame (403).

7. The coral fleece fabric high-efficiency dyeing device according to claim 4, characterized in that: The top of the dewatering trough (401) is fixedly connected to a fixed concave frame (404), a lower roller (4041) is provided on the fixed concave frame (404), a movable slide groove (405) is provided on the fixed concave frame (404), a fixed vertical rod (4051) is provided in the movable slide groove (405), and a spring (4052) is sleeved on the outer side of the fixed vertical rod (4051).

8. The coral fleece fabric high-efficiency dyeing device according to claim 7, characterized in that: A movable belt plate (406) is provided between the fixed concave frames (404); the movable belt plate (406) is slidably mounted on the outside of the fixed vertical rod (4051) through the sliding support hole (4061); a connecting bracket (4062) is fixedly connected to the bottom of the movable belt plate (406); and an upper pressure roller (4063) is provided between the connecting brackets (4062).

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