Multi-stage grinding device for PVC (polyvinyl chloride) heat stabilizer

Abstract

The utility model discloses a multi-stage grinding device for a PVC (polyvinyl chloride) heat stabilizer, which belongs to the technical field of PVC heat stabilizer processing and comprises a box body, supporting legs are arranged on two sides of the lower end of the box body, a discharge port is arranged on the lower side of one end of the box body, a partition plate is arranged on the upper side in the box body, and a crushing mechanism is arranged on the upper side of the partition plate. When a PVC heat stabilizer is ground or fed, a driving motor is started, the driving motor drives a first rotating shaft to rotate, the first rotating shaft rotates to drive a second rotating shaft to rotate through a belt wheel and a connecting belt, and the first rotating shaft and the second rotating shaft respectively drive a rotating plate and a stirring rod to rotate, so that PVC heat stabilizer particles are prevented from being blocked in a feeding hopper; and meanwhile, a plurality of rotating plates on the rotating shaft I avoid the risk that the heat stabilizer is splashed out of the box body from the feeding hopper when the crushing mechanism crushes the heat stabilizer particles, and the heat stabilizer particles are prevented from being blocked in the feeding hopper by arranging an anti-blocking assembly.

Description

Technical Field

[0001] The utility model relates to PVC heat stabilizer processing, which belongs to the technical field and specifically relates to a PVC heat stabilizer multi-stage grinding device. Background Art

[0002] PVC heat stabilizer is mainly used for PVC and other chlorine-containing polymers. People have found that PVC plastic can only be processed and molded at temperatures above 160°C, and it begins to thermally decompose at 120-130°C, releasing HCl gas. If the generation of HCl is not suppressed, the decomposition will be further aggravated. This problem has been the main problem that plagued the development and application of PVC plastics.

[0003] Chinese patent application No. 2020230857861 discloses a PVC heat stabilizer grinding and powder making device, which crushes the heat stabilizer before grinding it, improves the grinding and crushing effect, improves the quality of the heat stabilizer powder, is easy to use, and improves practicality; it includes a box body, an operation panel, a partition, a first reducer, a crushing wheel and a grinding disc, two groups of support frames are arranged at the front end of the box body, the operation panel is installed on the support frame, a feed hopper and a discharge plate are arranged at the top and right ends of the box body respectively, an inner cavity is arranged in the middle of the box body, the partition is located at the upper part of the inner cavity, and the inner cavity is divided into two upper and lower chambers, a drop port is arranged at the right end of the partition, the bottom end of the vertical plate is connected to the top end of the partition, the output end of the first reducer is connected to the left end of the crushing wheel through the vertical plate, a fixed grinding frame is arranged on the side wall of the lower chamber, the grinding disc is located in the middle of the lower chamber, a power group is arranged at the bottom end of the box body, and the output end of the power group is connected to the bottom end of the grinding disc through the box body.

[0004] In the above-mentioned patent, the heat stabilizer particles are prone to clogging in the feed hopper, or when the crushing wheel crushes the heat stabilizer particles, there is a risk that the heat stabilizer will splash out of the box from the feed hopper. At the same time, after the original device grinds the heat stabilizer particles, the heat stabilizer powder is prone to accumulate at the lower end of the box and is not easy to discharge. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a multi-stage grinding device for PVC heat stabilizer, which has the characteristics that the heat stabilizer particles are not easily blocked in the feed hopper, and when the grinding wheel grinds the heat stabilizer particles, there is no risk of the heat stabilizer splashing out of the box from the feed hopper.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage grinding device for PVC heat stabilizer, comprising a box body, support legs are arranged on both sides of the lower end of the box body, a discharge port is arranged on the lower side of one end of the box body, a partition is arranged on the upper side of the interior of the box body, a crushing mechanism is arranged on the upper side of the partition, a grinding mechanism is arranged on the lower side of the partition, a feed hopper is arranged at a position corresponding to the crushing mechanism on the upper end of the box body, and an anti-blocking component is arranged in the feed hopper.

[0007] Preferably, the anti-blocking component includes a driving motor, a rotating shaft one, a rotating shaft two, a rotating plate, a stirring rod, a pulley, a connecting belt and a sealing component, wherein a driving motor is arranged on the lower side of the front end of the feed hopper, a rotating shaft one is arranged on the output end of the driving motor, a rotating shaft two is arranged on the upper side of the rotating shaft one, a number of stirring rods are arranged on the rotating shaft two, a number of rotating plates are arranged on the rotating shaft one, pulleys are arranged on the rear ends of the rotating shaft one and the rotating shaft two, a connecting belt is arranged between the two pulleys, and a sealing component is arranged on the upper end of the feed hopper.

[0008] Preferably, the sealing assembly includes a folding rod, a sealing plate, a swivel seat, a lever and a support plate, wherein two folding rods are arranged on the upper side of one end of the feed hopper, a swivel seat is rotatably connected between the two folding rods, a sealing plate is arranged at one end of the swivel seat, a lever is arranged at the other end of the sealing plate, and a support plate is welded to one end of the folding rod.

[0009] Preferably, a bearing rotating seat is provided between the rotating shaft 1 and the feed hopper, and between the rotating shaft 2 and the feed hopper, and the rotating plates and the stirring rods on the rotating shaft 1 and the rotating shaft 2 are staggered with each other.

[0010] Preferably, two fixing rods are provided on one side of the lower end of the box body, an inclined plate is provided between the two fixing rods, a vibration motor is provided on one side of the lower end of the inclined plate, limiting plates are provided on both sides of the surface of the fixing rod, and a spring is provided on the surface of the fixing rod between the lower limiting plate and the inclined plate.

[0011] Preferably, the side edge of the inclined plate is tangent to the inner wall of the box body, and the side edge of the inclined plate is tangent to the inner wall of the discharge port, and a sliding hole corresponding to the fixing rod is provided in the inclined plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets an anti-blocking component. When grinding or adding PVC heat stabilizer, the driving motor is turned on. The driving motor drives the rotating shaft 1 to rotate. The rotation of the rotating shaft 1 drives the rotating shaft 2 to rotate through the pulley and the connecting belt. The rotating shaft 1 and the rotating shaft 2 respectively drive the rotating plate and the stirring rod to rotate, thereby preventing the PVC heat stabilizer particles from being blocked in the feed hopper. At the same time, the several rotating plates on the rotating shaft 1 prevent the heat stabilizer from splashing out of the box body from the feed hopper when the crushing mechanism crushes the heat stabilizer particles. The anti-blocking component is set to prevent the heat stabilizer particles from being blocked in the feed hopper, or the heat stabilizer from splashing out of the box body from the feed hopper when the crushing mechanism crushes the heat stabilizer particles.

[0014] 2. The utility model sets an inclined plate, and turns on the vibration motor on the inclined plate when grinding the PVC heat stabilizer. The vibration motor drives the inclined plate to vibrate, and the inclined plate slides on the fixed rod. The setting of the spring makes the inclined plate vibrate up and down, and the limit plate limits the inclined plate. The PVC heat stabilizer is ground into powder and falls onto the inclined plate. The vibration of the inclined plate can guide the PVC heat stabilizer powder to the discharge port for discharge. The inclined plate is set to facilitate the discharge of the ground PVC heat stabilizer powder from the box, and avoid the accumulation of PVC heat stabilizer powder at the lower end of the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a rear cutaway stereogram of the utility model;

[0017] Figure 3 This is a cutaway perspective view of the feed hopper of the utility model;

[0018] Figure 4 For this utility model Figure 2 A magnified image of point A;

[0019] In the figure: 1. box body; 2. anti-blocking component; 21. driving motor; 22. rotating shaft 1; 23. rotating shaft 2; 24. rotating plate; 25. stirring rod; 26. pulley; 27. connecting belt; 28. sealing component; 281. folding rod; 282. sealing plate; 283. rotating seat; 284. lever; 285. supporting plate; 3. feed hopper; 4. supporting leg; 5. discharge port; 6. partition; 7. crushing mechanism; 8. grinding mechanism; 9. fixing rod; 10. inclined plate; 11. vibration motor; 12. limit plate; 13. spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4The utility model provides the following technical solutions: a multi-stage grinding device for PVC heat stabilizer, comprising a box body 1, support legs 4 are arranged on both sides of the lower end of the box body 1, a discharge port 5 is arranged on the lower side of one end of the box body 1, a partition 6 is arranged on the upper side of the inside of the box body 1, a crushing mechanism 7 is arranged on the upper side of the partition 6, a grinding mechanism 8 is arranged on the lower side of the partition 6, a feed hopper 3 is arranged at a position corresponding to the crushing mechanism 7 on the upper end of the box body 1, and an anti-blocking component 2 is arranged in the feed hopper 3.

[0023] Specifically, the anti-blocking component 2 includes a driving motor 21, a rotating shaft 1 22, a rotating shaft 23, a rotating plate 24, a stirring rod 25, a pulley 26, a connecting belt 27 and a sealing component 28, wherein a driving motor 21 is arranged on the lower side of the front end of the feed hopper 3, a rotating shaft 1 22 is arranged on the output end of the driving motor 21, a rotating shaft 23 is arranged on the upper side of the rotating shaft 1 22, a plurality of stirring rods 25 are arranged on the rotating shaft 23, a plurality of rotating plates 24 are arranged on the rotating shaft 1 22, pulleys 26 are arranged on the rear ends of the rotating shafts 1 22 and 23, a connecting belt 27 is arranged between the two pulleys 26, and a sealing component 28 is arranged on the upper end of the feed hopper 3.

[0024] By adopting the above technical solution, the driving motor 21 is turned on when grinding or adding the PVC heat stabilizer, and the driving motor 21 drives the rotating shaft 1 22 to rotate. The rotating shaft 1 22 drives the rotating shaft 2 23 to rotate through the pulley 26 and the connecting belt 27. The rotating shaft 1 22 and the rotating shaft 2 23 respectively drive the rotating plate 24 and the stirring rod 25 to rotate, thereby preventing the PVC heat stabilizer particles from being blocked in the feed hopper 3. At the same time, the several rotating plates 24 on the rotating shaft 1 22 prevent the heat stabilizer from splashing out of the box body 1 from the feed hopper 3 when the crushing mechanism 7 crushes the heat stabilizer particles.

[0025] Specifically, the sealing assembly 28 includes a folding rod 281, a sealing plate 282, a swivel seat 283, a lever 284 and a support plate 285, wherein two folding rods 281 are arranged on the upper side of one end of the feed hopper 3, a swivel seat 283 is rotatably connected between the two folding rods 281, a sealing plate 282 is arranged at one end of the swivel seat 283, a lever 284 is arranged at the other end of the sealing plate 282, and a support plate 285 is welded to one end of the folding rod 281.

[0026] By adopting the above technical solution, when the feed hopper 3 does not need to feed, the sealing plate 282 is rotated by the lever 284, and the swivel seat 283 at one end of the sealing plate 282 is rotated on the folding rod 281. After the sealing plate 282 is rotated to the upper end of the feed hopper 3, its upper end can be sealed. When the feed hopper 3 needs to be used, the sealing plate 282 is opened, and the support plate 285 supports and limits the sealing plate 282. By setting the sealing assembly 28, the feed hopper 3 can be sealed when it is not in use, thereby preventing external dust and other impurities from easily entering the box body 1 from the feed hopper 3 when the feed hopper 3 is not in use.

[0027] Specifically, a bearing rotating seat is provided between the rotating shaft 1 22 and the feed hopper 3 and between the rotating shaft 2 23 and the feed hopper 3 , and the rotating plates 24 and the stirring rods 25 on the rotating shaft 1 22 and the rotating shaft 2 23 are staggered with each other.

[0028] By adopting the above technical solution, both the rotating shaft 1 22 and the rotating shaft 2 23 can rotate in the feed hopper 3 , and no collision will occur between the rotating plates 24 on the rotating shaft 1 22 and the rotating shaft 2 23 and the stirring rod 25 .

[0029] When the present embodiment is used, the multi-stage grinding device for PVC heat stabilizer is used, the device is installed at a suitable position, PVC heat stabilizer particles are added into the box body 1 through the feed hopper 3, the crushing mechanism 7 crushes the PVC heat stabilizer particles, the crushed PVC heat stabilizer enters the grinding mechanism 8 for grinding, and the ground PVC heat stabilizer powder is discharged from the box body 1 through the discharge port 5, and the anti-blocking component 2 is set to start the driving motor 21 when the PVC heat stabilizer is ground or fed, and the driving motor 21 drives the rotating shaft 1 22 to rotate, and the rotating shaft 1 22 rotates through the pulley 26 and the connecting belt 27 to drive the rotating shaft 23 to rotate, and the rotating shaft 1 22 and the rotating shaft 23 respectively drive the rotating plate 24 and the stirring rod 25 to rotate, thereby preventing the PVC heat stabilizer particles from being blocked in the box body. The feed hopper 3 is blocked, and at the same time, several rotating plates 24 on the rotating shaft 22 prevent the heat stabilizer from splashing out of the box body 1 from the feed hopper 3 when the crushing mechanism 7 crushes the heat stabilizer particles. By setting the sealing component 28, when the feed hopper 3 does not need to feed, the sealing plate 282 is rotated by the lever 284, and the rotating seat 283 at one end of the sealing plate 282 rotates on the folding rod 281. After the sealing plate 282 rotates to the upper end of the feed hopper 3, its upper end can be sealed. When the feed hopper 3 needs to be used, the sealing plate 282 is opened, and the support plate 285 supports and limits the sealing plate 282. By setting the sealing component 28, the feed hopper 3 can be sealed when it is not in use, so as to prevent external dust and other impurities from easily entering the box body 1 from the feed hopper 3 when the feed hopper 3 is not in use.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that: two fixing rods 9 are arranged on one side of the lower end of the box body 1, an inclined plate 10 is arranged between the two fixing rods 9, a vibration motor 11 is arranged on one side of the lower end of the inclined plate 10, limiting plates 12 are arranged on both sides of the surface of the fixing rod 9, and a spring 13 is arranged on the surface of the fixing rod 9 between the lower limiting plate 12 and the inclined plate 10.

[0032] By adopting the above technical solution, when grinding the PVC heat stabilizer, the vibration motor 11 on the inclined plate 10 is turned on, the vibration motor 11 drives the inclined plate 10 to vibrate, the inclined plate 10 slides on the fixed rod 9, the setting of the spring 13 makes the inclined plate 10 vibrate up and down, the limiting plate 12 limits the inclined plate 10, and the PVC heat stabilizer is ground into powder and falls onto the inclined plate 10. The vibration of the inclined plate 10 can guide the PVC heat stabilizer powder to the discharge port 5 for discharge. By setting the inclined plate 10, the ground PVC heat stabilizer powder is conveniently discharged from the box 1, and the PVC heat stabilizer powder is prevented from accumulating at the lower end of the box 1.

[0033] Specifically, the side edge of the inclined plate 10 is tangent to the inner wall of the box body 1 , and the side edge of the inclined plate 10 is tangent to the inner wall of the discharge port 5 . A sliding hole corresponding to the fixing rod 9 is provided in the inclined plate 10 .

[0034] By adopting the above technical solution, the inner wall of the box body 1 on the side of the inclined plate 10 and the inner wall of the discharge port 5 are more closely fitted, and the inclined plate 10 can slide on the fixing rod 9 .

[0035] When this embodiment is used, by setting the inclined plate 10, the vibration motor 11 on the inclined plate 10 is turned on when the PVC heat stabilizer is ground, the vibration motor 11 drives the inclined plate 10 to vibrate, the inclined plate 10 slides on the fixed rod 9, the setting of the spring 13 makes the inclined plate 10 vibrate up and down, the limiting plate 12 limits the inclined plate 10, the PVC heat stabilizer is ground into powder and falls onto the inclined plate 10, the vibration of the inclined plate 10 can guide the PVC heat stabilizer powder to the discharge port 5 for discharge, and the inclined plate 10 is provided to facilitate the discharge of the ground PVC heat stabilizer powder from the box 1, thereby preventing the PVC heat stabilizer powder from accumulating at the lower end of the box 1.

[0036] The driving motor 21 in the present invention is an existing disclosed technology, and the selected model is 5IK120GN-CF.

[0037] The vibration motor 11 in the present invention is an existing disclosed technology, and the selected model is HYYZS.

[0038] The structure and working principle of the box body 1, feed hopper 3, support legs 4, discharge port 5, partition 6, crushing mechanism 7 and grinding mechanism 8 in the utility model have been disclosed in a PVC heat stabilizer grinding and powder making device disclosed in Chinese patent application No. 2020230857861. Its working principle is to add PVC heat stabilizer particles into the box body 1 through the feed hopper 3, the crushing mechanism 7 crushes the PVC heat stabilizer particles, the crushed PVC heat stabilizer enters the grinding mechanism 8 for grinding, and the ground PVC heat stabilizer powder is discharged from the box body 1 through the discharge port 5.

[0039] The working principle and use process of the utility model are as follows: when the multi-stage grinding device for PVC heat stabilizer is used, the device is installed at a suitable position, PVC heat stabilizer particles are added into the box body 1 through the feed hopper 3, the crushing mechanism 7 crushes the PVC heat stabilizer particles, the crushed PVC heat stabilizer enters the grinding mechanism 8 for grinding, and the ground PVC heat stabilizer powder is discharged from the box body 1 through the discharge port 5, and the anti-blocking component 2 is set to start the drive motor 21 when grinding or adding the PVC heat stabilizer, and the drive motor 21 The rotating shaft 1 22 is driven to rotate, and the rotating shaft 1 22 drives the rotating shaft 23 to rotate through the pulley 26 and the connecting belt 27. The rotating shaft 1 22 and the rotating shaft 23 respectively drive the rotating plate 24 and the stirring rod 25 to rotate, thereby preventing the PVC heat stabilizer particles from being blocked in the feed hopper 3. At the same time, the rotating plates 24 on the rotating shaft 1 22 prevent the heat stabilizer from splashing out of the box body 1 from the feed hopper 3 when the crushing mechanism 7 crushes the heat stabilizer particles. By setting the sealing component 28, when the feed hopper 3 does not need to feed, the lever 2 The sealing plate 282 is rotated by 84, and the rotating seat 283 at one end of the sealing plate 282 is rotated on the folding rod 281. After the sealing plate 282 is rotated to the upper end of the feed hopper 3, the upper end thereof can be sealed. When the feed hopper 3 needs to be used, the sealing plate 282 is opened, and the supporting plate 285 supports and limits the sealing plate 282. By setting the sealing assembly 28, the feed hopper 3 can be sealed when it is not in use, so as to prevent external dust and other impurities from easily entering the box body 1 from the feed hopper 3 when the feed hopper 3 is not in use. By setting the inclined plate 10, the PVC heat stabilizer is ground During grinding, the vibration motor 11 on the inclined plate 10 is turned on, and the vibration motor 11 drives the inclined plate 10 to vibrate. The inclined plate 10 slides on the fixed rod 9. The setting of the spring 13 makes the inclined plate 10 vibrate up and down. The limiting plate 12 limits the inclined plate 10. The PVC heat stabilizer is ground into powder and falls onto the inclined plate 10. The vibration of the inclined plate 10 can guide the PVC heat stabilizer powder to the discharge port 5 for discharge. By setting the inclined plate 10, the ground PVC heat stabilizer powder is conveniently discharged from the box 1, and the PVC heat stabilizer powder is prevented from accumulating at the lower end of the box 1.

[0040] 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 multi-stage grinding device for PVC heat stabilizer, comprising a box, characterized in that: The box body is provided with supporting legs on both sides of the lower end, a discharge port is provided on the lower side of one end of the box body, a partition is provided on the upper side of the box body, a crushing mechanism is provided on the upper side of the partition, a grinding mechanism is provided on the lower side of the partition, a feed hopper is provided at the upper end of the box body corresponding to the crushing mechanism, and an anti-blocking component is provided in the feed hopper; The anti-blocking component includes a driving motor, a rotating shaft one, a rotating shaft two, a rotating plate, a stirring rod, a pulley, a connecting belt and a sealing component, wherein a driving motor is arranged on the lower side of the front end of the feed hopper, a rotating shaft one is arranged on the output end of the driving motor, a rotating shaft two is arranged on the upper side of the rotating shaft one, a number of stirring rods are arranged on the rotating shaft two, a number of rotating plates are arranged on the rotating shaft one, pulleys are arranged on the rear ends of the rotating shaft one and the rotating shaft two, a connecting belt is arranged between the two pulleys, and a sealing component is arranged on the upper end of the feed hopper.

2. A multi-stage grinding device for PVC heat stabilizer according to claim 1, characterized in that: The sealing assembly includes a folding rod, a sealing plate, a swivel seat, a lever and a support plate, wherein two folding rods are arranged on the upper side of one end of the feed hopper, a swivel seat is rotatably connected between the two folding rods, a sealing plate is arranged at one end of the swivel seat, a lever is arranged at the other end of the sealing plate, and a support plate is welded to one end of the folding rod.

3. A multi-stage grinding device for PVC heat stabilizer according to claim 1, characterized in that: A bearing rotating seat is arranged between the rotating shaft 1 and the feed hopper, and between the rotating shaft 2 and the feed hopper. The rotating plates and the stirring rods on the rotating shaft 1 and the rotating shaft 2 are staggered with each other.

4. A multi-stage grinding device for PVC heat stabilizer according to claim 1, characterized in that: Two fixing rods are arranged on one side of the lower end of the box body, an inclined plate is arranged between the two fixing rods, a vibration motor is arranged on one side of the lower end of the inclined plate, limiting plates are arranged on both sides of the surface of the fixing rod, and a spring is arranged on the surface of the fixing rod between the lower limiting plate and the inclined plate.

5. A multi-stage grinding device for PVC heat stabilizer according to claim 4, characterized in that: The side edge of the inclined plate is tangent to the inner wall of the box body, and the side edge of the inclined plate is tangent to the inner wall of the discharge port. A sliding hole corresponding to the fixing rod is arranged in the inclined plate.

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