A PVC particle conveying equipment with anti-blocking function

Abstract

The invention discloses a PVC particle conveying equipment with an anti-blocking function, and relates to the technical field of plastic particle conveying. The PVC particle conveying equipment with an anti-blocking function comprises an equipment frame, a storage frame is fixedly installed on the upper part of the equipment frame, a support column is rotatably installed on the upper part of the equipment frame, a feeding cylinder is fixedly installed on the end of the support column away from the equipment frame, a servo motor is fixedly installed on the surface of the feeding cylinder, and also comprises: an anti-blocking device, the anti-blocking device comprises a transmission shaft, a sleeve, a spiral feeding plate, a fixed plate, a receiving block, a receiving disc and a receiving plate. The PVC particle conveying equipment with an anti-blocking function can effectively avoid the accumulation or concentration of materials through the horizontal reciprocating movement of the spiral feeding plate, ensure the uniform distribution of materials in the spiral feeding plate, and at the same time can break up part of the accumulated materials to prevent the materials from getting stuck during the conveying process.

Description

Technical Field

[0001] The invention relates to the technical field of plastic particle conveying, in particular to PVC particle conveying equipment with an anti-blocking function. Background Art

[0002] PVC granule conveying equipment is a mechanical device specially used to transport polyvinyl chloride (PVC) granules from one place to another. It is widely used in plastic processing, chemical production and related industrial fields. PVC granules are a common raw material in the plastic production process and are usually used to manufacture pipes, plates, profiles, pipe fittings and other products.

[0003] The patent with the patent announcement number CN220950267U relates to a PVC plastic particle conveying device with anti-blocking function, including a bottom plate, and also including a feed screening mechanism and a blanking conveying mechanism arranged on the bottom plate; the feed screening mechanism includes support legs and a feed box, the support legs are arranged on the bottom plate, the support legs are provided with multiple groups, the feed box is arranged on multiple groups of the support legs, and a crushing component and a screening component are arranged in the feed box; the blanking conveying mechanism includes a support frame and a screw conveyor, the support frame is arranged on the bottom plate, the screw conveyor is arranged on the support frame, and a blanking pipe is arranged between the screw conveyor and the bottom wall of the feed box. This patent belongs to the field of plastic particle conveying technology, specifically refers to a PVC plastic particle conveying device with anti-blocking function that does not require manual operation, saves time and labor, and can screen impurities in plastic particles.

[0004] In the above patent, rollers and paddles are set to replace the traditional natural feeding method, which can effectively avoid the blockage of the feeding pipe and further improve the smoothness of material transportation. However, during the transportation process, the material inside the feeding barrel may cause blockage due to accumulation and affect the transportation efficiency of the raw materials. For this reason, a PVC particle conveying equipment with a better anti-blocking device is designed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a PVC particle conveying device with an anti-blocking function, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a PVC particle conveying equipment with anti-blocking function, including an equipment frame, a storage frame is fixedly installed on the top of the equipment frame, a support column is rotatably installed on the top of the equipment frame, a feed cylinder is fixedly installed on the end of the support column away from the equipment frame, a servo motor 1 is fixedly installed on the surface of the feed cylinder, a servo motor 2 is fixedly installed on the bottom of the equipment frame, a discharge pipe is fixedly penetrated through the bottom of the equipment frame, a feed pipe is fixedly penetrated through the surface of the feed cylinder, and also includes: an anti-blocking device, the anti-blocking device includes a transmission shaft 1, a sleeve, a spiral feed plate, a fixed plate, a receiving block, a receiving plate and a receiving plate, the rotation of the transmission shaft 1 drives the sleeve to rotate, the rotation of the sleeve drives the spiral feed plate to rotate, and the spiral feed The rotation of the plate can stably transport the material to the subsequent processing steps. During this process, the rotation of the sleeve drives the fixed plate to rotate, and the rotation of the fixed plate drives the receiving block to rotate. The transmission shaft is fixedly installed at the output end of the servo motor, and the sleeve is slidably installed on the circumferential surface of the transmission shaft. The spiral conveying plate is fixedly installed on the circumferential surface of the sleeve, and the fixed plate is fixedly installed on the circumferential surface of the sleeve. The receiving block is fixedly installed on the side of the fixed plate away from the spiral conveying plate, the receiving plate is fixedly installed on the circumferential surface of the transmission shaft, and the receiving plate is fixedly installed on the inner wall of the conveying barrel. The spiral conveying plate is fixedly connected to the fixed plate, and the fixed plate moves back and forth horizontally, driving the spiral conveying plate to move back and forth horizontally, which can effectively avoid the accumulation or concentration of materials and ensure that the materials are evenly distributed in the spiral conveying plate.

[0007] According to the above technical solution, the transmission shaft rotates and penetrates the inner and outer walls of the feeding barrel, the surface of the receiving block is opened as arc surface one, a spring No. 1 is arranged between the receiving disk and the fixed plate, and the side of the receiving plate close to the receiving block is arranged as arc surface two, the fixed plate moves to stretch the spring No. 1, and the spring No. 1 is reset after being stretched to realize the lateral reciprocating movement of the fixed plate.

[0008] According to the above technical solution, the output tube of the servo motor 2 is fixedly installed with the transmission shaft 2, the bottom of the equipment frame is slidably installed with a sliding block, the surface of the transmission shaft 2 is provided with a spiral groove, the sliding block is connected to the transmission shaft 2 by a thread, and a push rod is rotatably installed above the sliding block, and the end of the push rod away from the sliding block is rotatably connected to the feed barrel. The movement of the sliding block drives one end of the push rod to move, and the movement of one end of the push rod drives the feed barrel to rotate around the support column through the other end.

[0009] According to the above technical solution, a rolling device for crushing large particles is arranged inside the discharge pipe, and the rolling device includes a moving plate and a cylinder. A slide groove is provided on the surface of the feed barrel, and the moving plate is slidably mounted on the inner wall of the slide groove. The cylinder is fixedly mounted on the surface of the feed barrel. The rolling device also includes a sliding plate, a push rod, a cylinder 2, a lifting plate, a pressure rod, an L-shaped rod, a screen plate and a rolling plate. The reciprocating movement of the fixed plate drives the moving plate to move reciprocally, and the reciprocating movement of the moving plate drives the push rod to move reciprocally. The reciprocating movement of the push rod makes The sliding plate is driven to reciprocate, the sliding plate is slidably installed on the inner wall of the cylinder one, the push rod is fixedly installed on the side of the sliding plate close to the moving plate, the cylinder two is fixedly installed under the storage frame, the lifting plate is slidably installed on the inner wall of the cylinder two, the pressure rod is fixedly installed under the lifting plate, the L-shaped rod is fixedly installed under the pressure rod, the screen plate is slidably installed on the inner wall of the discharge pipe, the rolling plate is fixedly installed on the inner wall of the discharge pipe, the L-shaped rod reciprocates up and down to drive the screen plate to reciprocate up and down, and the screen plate reciprocates up and down and repeatedly contacts the rolling plate.

[0010] According to the above technical solution, a slot is provided on the circumferential surface of the fixed plate, the bottom of the movable plate is in contact with the slot, the end of the push rod away from the sliding plate is fixedly connected to the movable plate, the end of the L-shaped rod away from the pressure rod is fixedly connected to the screen plate, and the cylinder one and cylinder two are connected by a conduit. The sliding plate moves back and forth to squeeze the gas inside cylinder one, so that the gas inside cylinder one enters the interior of cylinder two through the conduit, and causes the lifting plate to move back and forth up and down.

[0011] According to the above technical solution, the surface of the screen plate is provided with screen holes, the surface of the rolling plate is provided with feed holes, and a convex plate is arranged under the rolling plate. By reducing the material to a suitable particle size, it is easier to pass through the equipment and reduce the jamming phenomenon.

[0012] According to the above technical solution, it also includes a supporting device, which includes an L-shaped plate, a limit plate, a limit block and a stop block. During the movement of the sliding block, the sliding block contacts and squeezes the limit block to move downward. A limit groove is provided at the bottom of the equipment rack, and the L-shaped plate is slidably installed inside the limit groove. The limit plate is slidably installed above the L-shaped plate. A moving groove is provided on the surface of the limit plate, and the limit block is slidably installed inside the moving groove. The stop block is fixedly installed on the inner wall of the limit groove. The sliding block can provide it with additional support to reduce the load between the sliding block and the second transmission shaft.

[0013] According to the above technical solution, a No. 2 spring is arranged between the L-shaped plate and the inner wall of the limit groove, a No. 3 spring is arranged between the limit block and the inner wall of the movable groove, the side of the limit plate close to the block is set as arc surface three, the side of the block close to the limit plate is set as arc surface four, and the top of the limit block is set as a bevel surface. After limiting, the sliding block realizes angle resetting under the action of servo motor two to maintain stability during the resetting process.

[0014] The present invention provides a PVC particle conveying device with anti-blocking function. It has the following beneficial effects: (1) The PVC particle conveying equipment with anti-blocking function, through the coordinated operation between the discharge pipe, the feed pipe, the transmission shaft 1, the sleeve, the spiral conveying plate, the fixed plate, the receiving block, the receiving plate, the receiving plate and the No. 1 spring, enables the spiral conveying plate to move back and forth laterally, which can effectively avoid the accumulation or concentration of materials and ensure that the materials are evenly distributed in the spiral conveying plate. At the same time, it can break up some of the accumulated materials to prevent the materials from getting stuck during the conveying process. At the same time, under the action of the transmission shaft 2, the sliding block and the push rod, it can realize the feeding of materials to processing positions at different heights, thereby improving the applicability of the equipment.

[0015] (2) The PVC particle conveying equipment with anti-blocking function, through the coordinated operation between the moving plate, cylinder one, sliding plate, push rod, cylinder two, lifting plate, pressure rod, L-shaped rod, screen plate and rolling plate, makes the screen plate move up and down and repeatedly contact with the rolling plate, which can effectively crush some larger pieces of raw materials in the raw materials, avoid the accumulation of larger pieces of raw materials above the sieve holes on the surface of the sieve plate to cause blockage, improve the conveying effect of the raw materials while preventing large pieces of materials from directly entering the interior of the feed barrel, and by reducing the material to a suitable particle size, it is easier to pass through the equipment, reducing the jamming phenomenon, ensuring the smooth conveying process, and at the same time effectively reducing the burden on the equipment, reducing the equipment failure rate, and extending the service life of the equipment.

[0016] (3) The PVC particle conveying equipment with anti-blocking function, through the coordinated operation between the L-shaped plate, the limit plate, the limit block and the stop block, enables the limit block to provide additional support to the sliding block, thereby reducing the load between the sliding block and the second transmission shaft, and reducing the pressure concentration caused by angle adjustment, thereby preventing equipment damage or excessive wear, while maintaining stability during the resetting process, avoiding increased wear between the sliding block and the second transmission shaft due to excessive friction, further extending the service life of the equipment, and reducing subsequent maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the position structure of the feeding cylinder and the discharging pipe of the present invention; Figure 3It is a schematic diagram of the position structure of the transmission shaft 1 and the receiving plate of the present invention; Figure 4 For the present invention Figure 3 The enlarged structural diagram of part A in the middle; Figure 5 This is a schematic diagram of the position structure of the screen plate and the rolling plate of the present invention; Figure 6 This is a schematic diagram of the position structure of the sliding block and the stopper of the present invention; Figure 7 It is a schematic diagram of the position structure of the limit block and the L-shaped plate of the present invention.

[0018] In the figure: 1. Equipment frame; 2. Storage frame; 3. Support column; 4. Feed barrel; 5. Servo motor 1; 6. Servo motor 2; 7. Discharge pipe; 8. Feed pipe; 9. Transmission shaft 1; 10. Sleeve; 11. Spiral feed plate; 12. Fixed plate; 13. Receiver block; 14. Receiver plate; 15. Receiver plate; 16. Spring No. 1; 17. Transmission shaft 2; 18. Sliding block; 19. Push rod; 201. Moving plate; 202. Cylinder 1; 203. Sliding plate; 204. Push rod; 205. Cylinder 2; 206. Lifting plate; 207. Press rod; 208. L-shaped rod; 209. Screen plate; 210. Rolling plate; 221. L-shaped plate; 222. Limit plate; 223. Limit block; 224. Stopper; 225. Spring No. 2; 226. Spring No. 3. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 7, one embodiment of the present invention is: a PVC particle conveying equipment with anti-blocking function, including an equipment frame 1, a storage frame 2 is fixedly installed on the top of the equipment frame 1, a support column 3 is rotatably installed on the top of the equipment frame 1, a feeding cylinder 4 is fixedly installed on the end of the support column 3 away from the equipment frame 1, a servo motor 5 is fixedly installed on the surface of the feeding cylinder 4, a servo motor 6 is fixedly installed on the bottom of the equipment frame 1, a discharge pipe 7 is fixedly penetrated at the bottom of the equipment frame 1, and a feed pipe 8 is fixedly penetrated on the surface of the feeding cylinder 4, and also includes: an anti-blocking device, the anti-blocking device includes a transmission shaft 9, a sleeve 10, a spiral feeding plate 11, a fixed plate 12, a receiving block 13, a receiving disc 14 and a receiving plate 15, the rotation of the transmission shaft 9 drives the sleeve 10 to rotate, the rotation of the sleeve 10 drives the spiral feeding plate 11 to rotate, the rotation of the spiral feeding plate 11 can stably transport the material to the subsequent processing steps, during this process, the sleeve When 10 rotates, it drives the fixed plate 12 to rotate, and the rotation of the fixed plate 12 drives the receiving block 13 to rotate. The transmission shaft 9 is fixedly installed at the output end of the servo motor 5, the sleeve 10 is slidably installed on the circumferential surface of the transmission shaft 9, the spiral conveying plate 11 is fixedly installed on the circumferential surface of the sleeve 10, the fixed plate 12 is fixedly installed on the circumferential surface of the sleeve 10, the receiving block 13 is fixedly installed on the side of the fixed plate 12 away from the spiral conveying plate 11, the receiving plate 14 is fixedly installed on the circumferential surface of the transmission shaft 9, and the receiving plate 15 is fixedly installed on the inner wall of the conveying barrel 4. The spiral conveying plate 11 is fixedly connected to the fixed plate 12, and the fixed plate 12 moves back and forth horizontally, driving the spiral conveying plate 11 to move back and forth horizontally, which can effectively avoid the accumulation or concentration of materials and ensure that the materials are evenly distributed in the spiral conveying plate 11. At the same time, it can break up some of the accumulated materials to prevent the materials from getting stuck during the transportation process and keep the transportation system unobstructed.

[0021] The transmission shaft 9 rotates and penetrates the inner and outer walls of the feeding barrel 4. The surface of the receiving block 13 is opened as an arc surface 1. A spring No. 16 is arranged between the receiving disk 14 and the fixed plate 12. The side of the receiving plate 15 close to the receiving block 13 is arranged as an arc surface 2. The fixed plate 12 moves to stretch the spring No. 16. The spring No. 16 is reset after being stretched to realize the lateral reciprocating movement of the fixed plate 12.

[0022] The output tube of the servo motor 26 is fixedly installed with a transmission shaft 217, and a sliding block 18 is slidably installed at the bottom of the equipment frame 1. A spiral groove is provided on the surface of the transmission shaft 217, and the sliding block 18 is connected to the transmission shaft 217 through a thread. A push rod 19 is rotatably installed above the sliding block 18, and the end of the push rod 19 away from the sliding block 18 is rotatably connected to the feed barrel 4. The movement of the sliding block 18 drives one end of the push rod 19 to move, and the movement of one end of the push rod 19 drives the feed barrel 4 to rotate around the support column 3 through the other end. The rotation of the feed barrel 4 can realize the feeding of processing machines at different heights, thereby improving the applicability of the equipment.

[0023] When this embodiment is working: the material is introduced into the interior of the storage frame 2, and the material is introduced into the interior of the feed barrel 4 under the action of the discharge pipe 7 and the feed pipe 8, and then the servo motor 5 is started, and the output end of the servo motor 5 rotates to drive the transmission shaft 9 to rotate, and the rotation of the transmission shaft 9 drives the sleeve 10 to rotate, and the rotation of the sleeve 10 drives the spiral feed plate 11 to rotate, and the rotation of the spiral feed plate 11 can stably transport the material to the subsequent processing steps. During this process, the rotation of the sleeve 10 drives the fixed plate 12 to rotate, and the rotation of the fixed plate 12 drives the receiving block 13 to rotate, and the receiving block 13 rotates to contact the receiving plate 15 and moves in the direction of the servo motor 5 under the action of the receiving block 13, and the movement of the receiving block 13 drives the fixed plate 12 to move, and the movement of the fixed plate 12 stretches the No. 1 spring 16, and the No. 1 spring 16 is stretched and reset to achieve the lateral reciprocating movement of the fixed plate 12. The fixed plate 12 moves back and forth horizontally, driving the spiral conveyor plate 11 to move back and forth horizontally, which can effectively avoid the accumulation or concentration of materials and ensure that the materials are evenly distributed in the spiral conveyor plate 11. At the same time, it can break up some of the accumulated materials to prevent the materials from getting stuck during the transportation process, keep the conveying system unobstructed, and make the materials more stably transported to the subsequent processing positions. At the same time, when the transportation angle needs to be changed, the servo motor 26 is started, and the output end of the servo motor 26 rotates to drive the transmission shaft 2 17 to rotate. The transmission shaft 2 17 rotates through the spiral groove to drive the sliding block 18 to move. The movement of the sliding block 18 drives one end of the push rod 19 to move. The movement of one end of the push rod 19 drives the conveying barrel 4 to rotate around the support column 3 through the other end. The rotation of the conveying barrel 4 can realize the feeding of processing positions at different heights, thereby improving the applicability of the equipment.

[0024] See also Figure 1-Figure 7On the basis of the above-mentioned embodiment, in another embodiment of the present invention, a rolling device for crushing large particles is arranged inside the discharge pipe 7, and the rolling device comprises a movable plate 201 and a cylinder 1 202. A slide groove is provided on the surface of the feed barrel 4, and the movable plate 201 is slidably mounted on the inner wall of the slide groove, and the cylinder 1 202 is fixedly mounted on the surface of the feed barrel 4. The rolling device also comprises a sliding plate 203, a push rod 204, a cylinder 205, a lifting plate 206, a pressure rod 207, an L-shaped rod 208, a screen plate 209 and a rolling plate 210. During the reciprocating movement of the fixed plate 12, the movable plate 201 is driven to reciprocate, and the reciprocating movement of the movable plate 201 drives the push rod 204 to reciprocate, and the reciprocating movement of the push rod 204 drives the sliding plate 203 to reciprocate, and the sliding plate 203 slides It is installed on the inner wall of cylinder 1 202, the push rod 204 is fixedly installed on the side of the sliding plate 203 close to the moving plate 201, the cylinder 205 is fixedly installed at the bottom of the storage frame 2, the lifting plate 206 is slidably installed on the inner wall of the cylinder 205, the pressure rod 207 is fixedly installed at the bottom of the lifting plate 206, the L-shaped rod 208 is fixedly installed at the bottom of the pressure rod 207, the sieve plate 209 is slidably installed on the inner wall of the discharge pipe 7, and the rolling plate 210 is fixedly installed on the inner wall of the discharge pipe 7. The L-shaped rod 208 reciprocates up and down to drive the sieve plate 209 to reciprocate up and down. The sieve plate 209 reciprocates up and down and repeatedly contacts with the rolling plate 210. During the contact process, some larger pieces of raw materials can be effectively crushed to avoid the larger pieces of raw materials accumulating above the sieve holes on the surface of the sieve plate 209 and causing blockage.

[0025] A slot is provided on the circumferential surface of the fixed plate 12, and the bottom of the movable plate 201 contacts the slot. The end of the push rod 204 away from the sliding plate 203 is fixedly connected to the movable plate 201, and the end of the L-shaped rod 208 away from the pressure rod 207 is fixedly connected to the screen plate 209. The cylinder 1 202 and the cylinder 2 205 are connected by a conduit. The sliding plate 203 moves back and forth to squeeze the gas inside the cylinder 1 202, so that the gas inside the cylinder 1 202 enters the interior of the cylinder 2 205 through the conduit, and the lifting plate 206 moves back and forth up and down.

[0026] The surface of the screen plate 209 is provided with screen holes, the surface of the rolling plate 210 is provided with feed holes, and a convex plate is provided under the rolling plate 210. By reducing the material to a suitable particle size, it is easier for it to pass through the equipment, reducing the jamming phenomenon, ensuring the smooth transportation process, and at the same time effectively reducing the burden on the equipment, reducing the equipment failure rate, and extending the service life of the equipment.

[0027] The support device also includes an L-shaped plate 221, a limit plate 222, a limit block 223 and a stop block 224. During the movement of the sliding block 18, the sliding block 18 contacts and squeezes the limit block 223 to move downward. A limit groove is provided at the bottom of the equipment rack 1. The L-shaped plate 221 is slidably installed inside the limit groove. The limit plate 222 is slidably installed above the L-shaped plate 221. A moving groove is provided on the surface of the limit plate 222. The limit block 223 is slidably installed inside the moving groove. The stop block 224 is fixedly installed on the inner wall of the limit groove. The sliding block 18 can provide additional support for it, reduce the load between the sliding block 18 and the transmission shaft 17, and reduce the pressure concentration caused by angle adjustment, thereby preventing equipment damage or excessive wear.

[0028] A No. 2 spring 225 is arranged between the L-shaped plate 221 and the inner wall of the limiting groove, a No. 3 spring 226 is arranged between the limiting block 223 and the inner wall of the movable groove, the side of the limiting plate 222 close to the stop block 224 is set as an arc surface three, the side of the stop block 224 close to the limiting plate 222 is set as an arc surface four, and the upper part of the limiting block 223 is set as a bevel surface. After limiting, the sliding block 18 realizes angle reset under the action of the servo motor 26, maintains stability during the reset process, avoids increased wear between the sliding block 18 and the transmission shaft 2 17 due to excessive friction, further extends the service life of the equipment, and reduces subsequent maintenance costs.

[0029] When the present embodiment is working, the fixed plate 12 reciprocates and drives the movable plate 201 to reciprocate, the movable plate 201 reciprocates and drives the push rod 204 to reciprocate, the push rod 204 reciprocates and drives the sliding plate 203 to reciprocate, the sliding plate 203 reciprocates and squeezes the gas inside the cylinder 1 202, so that the gas inside the cylinder 1 202 enters the inside of the cylinder 2 205 through the conduit, and drives the lifting plate 206 to reciprocate up and down, the lifting plate 206 reciprocates up and down and drives the pressure rod 207 to reciprocate up and down, and the pressure rod 207 reciprocates up and down and drives the L-shaped rod 208 to reciprocate up and down, and the L-shaped The rod 208 reciprocates up and down, driving the screen plate 209 to reciprocate up and down. The screen plate 209 reciprocates up and down and repeatedly contacts the rolling plate 210. During the contact process, some larger pieces of raw materials can be effectively crushed to avoid the accumulation of larger pieces of raw materials on the sieve holes on the surface of the screen plate 209 to cause blockage, thereby improving the conveying effect of the raw materials and preventing large pieces of material from directly entering the interior of the feed barrel 4. By reducing the material to a suitable particle size, it is easier to pass through the equipment, reducing the jamming phenomenon, ensuring smooth conveying process, and effectively reducing the burden on the equipment, reducing the equipment failure rate, and extending the service life of the equipment.

[0030] During the height adjustment process, the sliding block 18 contacts and squeezes the limit block 223 to move downward during its movement. The limit block 223 moves downward to squeeze the No. 3 spring 226 to contract. After the No. 3 spring 226 contracts, it resets and drives the limit block 223 to move upward and the sliding block 18 to limit the position, thereby preventing the sliding block 18 from rebounding and providing additional support for it, reducing the load between the sliding block 18 and the transmission shaft 17, and reducing the pressure concentration caused by the angle adjustment, thereby preventing damage or excessive wear of the equipment. At the same time, when it needs to be reset, the sliding block 18 moves in the direction close to the servo motor 26 through the limit block 2 23 drives the limit plate 222 to move in the direction close to the stop block 224, the limit plate 222 moves to contact the stop block 224 and moves in the direction away from the sliding block 18 under the action of the stop block 224, the movement of the limit plate 222 drives the limit block 223 to move, the limit block 223 moves out of contact with the sliding block 18 and releases the limit on it, after the limit is released, the sliding block 18 realizes the angle reset under the action of the servo motor 26, maintains the stability during the reset process, avoids the increase of wear between the sliding block 18 and the transmission shaft 2 17 due to excessive friction, further extends the service life of the equipment, and reduces the subsequent maintenance cost.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PVC particle conveying device with anti-blocking function, comprising an equipment frame (1), a storage frame (2) is fixedly installed on the top of the equipment frame (1), a support column (3) is rotatably installed on the top of the equipment frame (1), a feeding cylinder (4) is fixedly installed on the end of the support column (3) away from the equipment frame (1), a servo motor 1 (5) is fixedly installed on the surface of the feeding cylinder (4), a servo motor 2 (6) is fixedly installed on the bottom of the equipment frame (1), a discharge pipe (7) is fixedly penetrated through the bottom of the equipment frame (1), and a feed pipe (8) is fixedly penetrated through the surface of the feeding cylinder (4), characterized in that: Also includes: An anti-blocking device, the anti-blocking device comprising a transmission shaft (9), a sleeve (10), a spiral feed plate (11), a fixed plate (12), a receiving block (13), a receiving plate (14) and a receiving plate (15), wherein the transmission shaft (9) is fixedly mounted on the output end of a servo motor (5), the sleeve (10) is slidably mounted on the circumferential surface of the transmission shaft (9), the spiral feed plate (11) is fixedly mounted on the circumferential surface of the sleeve (10), the fixed plate (12) is fixedly mounted on the circumferential surface of the sleeve (10), the receiving block (13) is fixedly mounted on a side of the fixed plate (12) away from the spiral feed plate (11), the receiving plate (14) is fixedly mounted on the circumferential surface of the transmission shaft (9), the receiving plate (15) is fixedly mounted on the inner wall of the feed barrel (4), and the spiral feed plate (11) is fixedly connected to the fixed plate (12); The discharge pipe (7) is internally provided with a crushing device for crushing large particles, the crushing device comprising a movable plate (201) and a cylinder 1 (202), a slide groove is provided on the surface of the feed barrel (4), the movable plate (201) is slidably mounted on the inner wall of the slide groove, and the cylinder 1 (202) is fixedly mounted on the surface of the feed barrel (4).

2. The PVC particle conveying device with anti-blocking function according to claim 1 is characterized in that: The transmission shaft 1 (9) rotates and penetrates the inner and outer walls of the feeding barrel (4); the surface of the receiving block (13) is provided with an arc surface 1; a spring (16) is provided between the receiving plate (14) and the fixed plate (12); and the side of the receiving plate (15) close to the receiving block (13) is provided with an arc surface 2.

3. The PVC particle conveying device with anti-blocking function according to claim 2 is characterized in that: The output tube of the second servo motor (6) is fixedly mounted with a second transmission shaft (17); a sliding block (18) is slidably mounted at the bottom of the equipment frame (1); a spiral groove is provided on the surface of the second transmission shaft (17); the sliding block (18) is connected to the second transmission shaft (17) by a thread; a push rod (19) is rotatably mounted above the sliding block (18); an end of the push rod (19) away from the sliding block (18) is rotatably connected to the feed cylinder (4).

4. The PVC particle conveying device with anti-blocking function according to claim 3 is characterized in that: The rolling device also includes a sliding plate (203), a push rod (204), a second cylinder (205), a lifting plate (206), a pressure rod (207), an L-shaped rod (208), a screen plate (209) and a rolling plate (210), wherein the sliding plate (203) is slidably mounted on the inner wall of the first cylinder (202), the push rod (204) is fixedly mounted on a side of the sliding plate (203) close to the movable plate (201), the second cylinder (205) is fixedly mounted below the storage frame (2), the lifting plate (206) is slidably mounted on the inner wall of the second cylinder (205), the pressure rod (207) is fixedly mounted below the lifting plate (206), the L-shaped rod (208) is fixedly mounted below the pressure rod (207), the screen plate (209) is slidably mounted on the inner wall of the discharge pipe (7), and the rolling plate (210) is fixedly mounted on the inner wall of the discharge pipe (7).

5. The PVC particle conveying device with anti-blocking function according to claim 4 is characterized in that: A slot is formed on the circumferential surface of the fixed plate (12), the lower side of the movable plate (201) contacts the slot, one end of the push rod (204) away from the sliding plate (203) is fixedly connected to the movable plate (201), one end of the L-shaped rod (208) away from the pressure rod (207) is fixedly connected to the screen plate (209), and the cylinder 1 (202) and the cylinder 2 (205) are connected via a conduit.

6. The PVC particle conveying device with anti-blocking function according to claim 5 is characterized in that: The surface of the sieve plate (209) is provided with sieve holes, the surface of the rolling plate (210) is provided with feed holes, and a convex plate is provided below the rolling plate (210).

7. The PVC particle conveying device with anti-blocking function according to claim 6 is characterized in that: The device also comprises a supporting device, the supporting device comprising an L-shaped plate (221), a limiting plate (222), a limiting block (223) and a stopper (224); a limiting groove is provided at the bottom of the device rack (1); the L-shaped plate (221) is slidably mounted inside the limiting groove; the limiting plate (222) is slidably mounted above the L-shaped plate (221); a moving groove is provided on the surface of the limiting plate (222); the limiting block (223) is slidably mounted inside the moving groove; and the stopper (224) is fixedly mounted on the inner wall of the limiting groove.

8. The PVC particle conveying device with anti-blocking function according to claim 7 is characterized in that: A No. 2 spring (225) is provided between the L-shaped plate (221) and the inner wall of the limiting groove, a No. 3 spring (226) is provided between the limiting block (223) and the inner wall of the movable groove, a side of the limiting plate (222) close to the stop block (224) is provided as an arc surface No. 3, a side of the stop block (224) close to the limiting plate (222) is provided as an arc surface No. 4, and an upper portion of the limiting block (223) is provided as an oblique cut surface.

Images