Granulator for processing PVC (polyvinyl chloride) material products

Abstract

The utility model discloses a granulator for processing PVC (polyvinyl chloride) material products, which comprises a support, a propelling mechanism, a granulating mechanism and a guide mechanism, the propelling mechanism is connected with the support, a first roller and a second roller are rotatably connected onto the propelling mechanism, a clamping area is formed between the first roller and the second roller, a propelling motor is arranged on the propelling mechanism, and the granulating mechanism is connected with the guide mechanism. An output shaft of the propulsion motor is connected with the first roller, the guide mechanism is connected with the support, a plurality of limiting grooves distributed at intervals are formed in the guide mechanism, the pelletizing mechanism comprises a tool apron and a pelletizing motor, the tool apron is rotationally connected with the support, a plurality of rows of machining areas distributed at intervals are arranged on the outer side of the tool apron, and a plurality of groove positions distributed at intervals are formed in the machining areas; a blade is installed in the groove position, the pelletizing motor is fixedly connected with the support, and an output shaft of the pelletizing motor is connected with the tool apron. The utility model provides a granulator for processing PVC (Polyvinyl Chloride) material products, and the granulating efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic product pelletizing equipment, especially to a pelletizer for processing PVC material products. BACKGROUND

[0002] Polyvinyl chloride (PVC) is a polymer formed by the polymerization of vinyl chloride monomers under the action of initiators such as peroxides and azo compounds or under the action of light and heat, following the free radical polymerization mechanism. It has a wide range of applications in building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipe materials, electrical cables, packaging films, bottles, foaming materials, sealing materials, fibers, etc.

[0003] During the production process of PVC raw materials, the PVC material is first heated and melted by an extruder to form a strip, then cooled in a cooling water tank to solidify the strip, and finally granulated into cable material particles of a certain size by a pelletizer.

[0004] The existing PVC material pelletizer only has a single set of blades that reciprocate up and down to cut the strip-shaped PVC into granular PVC. The cutting efficiency of the single set of blades is low, making the working speed of the pelletizer incompatible with the speed of the extruder in extruding the strip-shaped PVC. SUMMARY

[0005] The utility model aims to provide a pelletizer for processing PVC material products to improve the pelletizing efficiency.

[0006] The utility model discloses a kind of pelletizers for processing PVC material products, and the technical scheme it adopts is:

[0007] Including support, propulsion mechanism, pelletizing mechanism and guide mechanism, the propulsion mechanism is connected with support, first cylinder and second cylinder are rotationally connected on the propulsion mechanism, clamping area is formed between the first cylinder and second cylinder, propulsion motor is equipped on the propulsion mechanism, the output shaft of propulsion motor is connected with first cylinder, the guide mechanism is connected with support, a plurality of interval arrangement limit grooves are set in the guide mechanism, one end of the limit groove is close to clamping area, the pelletizing mechanism includes tool holder and pelletizing motor, the tool holder is rotationally connected with support, the outside of tool holder is equipped with multiple rows interval arrangement processing area, the other end of limit groove is close to processing area, a plurality of interval arrangement slots are set in processing area, blade is installed in the slot, the pelletizing motor is fixedly connected with support, the output shaft of pelletizing motor is connected with tool holder.

[0008] As a preferred scheme, the slots in two adjacent processing areas are staggered up and down.

[0009] As a preferred scheme, the cutting mechanism further comprises a rotating shaft and a second transmission belt, the rotating shaft penetrates through the cutter holder, the rotating shaft is rotationally connected with the support, one end of the rotating shaft is fixedly connected with a flange, the flange is fixedly connected with the cutter holder, and the second transmission belt is sleeved on the other end of the rotating shaft and the output shaft of the cutting motor.

[0010] As a preferred scheme, the pushing mechanism comprises a connecting seat and a first transmission belt, the connecting seat is connected with the support, the first roller is rotationally connected with the connecting seat, the first transmission belt is sleeved on the output shaft of the pushing motor and the first roller, two sliding blocks are slidingly connected on the connecting seat, and the two sides of the second roller are rotationally connected with the two sliding blocks respectively.

[0011] As a preferred scheme, the sliding block is provided with a spring outside, two ends of the spring are in contact with the sliding block and the support respectively, two pull rods are slidingly connected on the support, and the pull rods are fixedly connected with the sliding block.

[0012] As a preferred scheme, the guiding mechanism is two, and the two guiding mechanisms are located on the two sides of the pushing mechanism.

[0013] As a preferred scheme, the guiding mechanism comprises a limiting seat and a sliding plate, the limiting seat is connected with the support, the limiting groove is located on the top of the limiting seat, a through groove penetrates through the limiting seat and is communicated with the limiting groove, a screw rod is rotationally connected on the limiting seat, one end of the screw rod is fixedly connected with a hand wheel, the sliding plate is slidingly connected with the limiting seat, the sliding plate is connected with the screw rod in a matched mode, the sliding plate extends a protrusion, the protrusion is located in the through groove, an activity plate is arranged in the limiting groove, the activity plate is fixedly connected with the protrusion, and a channel is formed between the activity plate and the inner wall of the limiting groove.

[0014] The cutting machine for processing PVC material products has the following beneficial effects:

[0015] After the plurality of cooling strip-shaped PVCs are placed in the clamping area, the pushing motor drives the first roller to rotate, the first roller pushes the strip-shaped PVC to pass through the limiting groove and approach the cutting mechanism, since the limiting groove is a plurality of limiting grooves, the pushing mechanism can push a plurality of strip-shaped PVCs to advance synchronously in the same operation; the cutting motor drives the cutter holder to rotate, the cutter holder in rotation drives the blade to cut off the strip-shaped PVC extending from the limiting groove to form granular PVC, since the processing area for cutting is a plurality of rows, and there are a plurality of blades in each row of the processing area, the cutting processing efficiency of the cutter holder in one rotation is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the cutting machine for processing PVC material products.

[0017] Figure 2 is a schematic view of the pushing mechanism structure of the granulator for processing PVC material products.

[0018] Figure 3 is a schematic view of the guiding mechanism structure of the granulator for processing PVC material products.

[0019] Figure 4 is a schematic view of the granulating mechanism structure of the granulator for processing PVC material products.

[0020] Figure 5 is a sectional view of the cutter seat and the support of the granulator for processing PVC material products. DETAILED DESCRIPTION

[0021] The utility model will be further described and explained in connection with specific embodiments and the accompanying drawings of the specification:

[0022] Please refer to Figure 1 and Figure 2 .

[0023] The utility model discloses a kind of granulators for processing PVC material products, including support 1, pushing mechanism 2, granulating mechanism 4 and guiding mechanism 3;

[0024] Pushing mechanism 2 is connected with support 1, and pushing mechanism 2 includes connecting seat 21 and first transmission belt 25;The support 1 of this embodiment is preferably U-shaped, one side of connecting seat 21 is fixedly connected with support 1, and first cylinder 211 and second cylinder 221 are rotatably connected on pushing mechanism 2, first cylinder 211 is placed in the U-shaped of support 1, and the two sides of first cylinder 211 are rotatably connected with the inside of connecting seat 21;

[0025] Further, two sliding blocks 22 are slidably connected on connecting seat 21, two sliding blocks 22 are respectively close to the two sides of support 1, second cylinder 221 is placed between two sliding blocks 22, and the two sides of second cylinder 221 are rotatably connected with two sliding blocks 22 respectively, first cylinder 211 is close to second cylinder 221, and the clamping area is formed between first cylinder 211 and second cylinder 221, spring 222 is provided on the outside of sliding block 22, the two ends of spring 222 are respectively in contact with sliding block 22 and support 1, and sliding block 22 is pushed down by spring 222, so that second cylinder 221 is in contact with first cylinder 211;Two pull rods 23 are slidably connected on support 1, and pull rod 23 is fixedly connected with sliding block 22;

[0026] When it is needed to put new strip PVC into the clamping area, the slide block 22 is driven to slide up on the connecting seat 21 by pulling the pull rod 23, so that the second roller 221 is away from the first roller 211, the width of the clamping area is opened, and the strip PVC can be put into the clamping area. After the pull rod 23 is released, the spring 222 pushes the slide block 22 to slide down, and the second roller 221 and the first roller 211 clamp the strip PVC.

[0027] The advancing mechanism 2 is provided with an advancing motor 24, the advancing motor 24 is fixedly connected with the support 1, one side of the first roller 211 extends a middle shaft, the middle shaft and the output shaft of the advancing motor 24 are fixedly connected with first pulleys, and the first transmission belt 25 is sleeved on the two pulleys;

[0028] The output shaft of the advancing motor 24 drives the first roller 211 to rotate through the first transmission belt 25, so that the first roller 211 pushes the strip PVC to move.

[0029] Please refer to Figure 1 and Figure 3 .

[0030] The two guiding mechanisms 3 are connected with the support 1, and are respectively located on the two sides of the advancing mechanism 2. The guiding mechanism 3 comprises a limiting seat 31 and a sliding plate 32. A plurality of limiting grooves 311 are arranged on the guiding mechanism 3 in a spaced manner. The limiting seat 31 is connected with the support 1, the limiting grooves 311 are located on the top of the limiting seat 31, the plurality of limiting grooves 311 are parallel to each other, and one end of the limiting groove 311 is close to the clamping area. A through groove 312 is formed in the limiting seat 31, and the through groove 312 is perpendicular to the limiting groove 311. The through groove 312 is in communication with the groove bottom of the limiting groove 311. A screw rod 313 is rotatably connected to the limiting seat 31, and one end of the screw rod 313 is fixedly connected with a hand wheel.

[0031] Further, the sliding plate 32 is slidably connected with the limiting seat 31, and the sliding plate 32 is connected with the screw rod 313. The sliding plate 32 extends a protrusion, and the protrusion is located in the through groove 312. An activity plate 321 is arranged in the limiting groove 311, and the activity plate 321 is fixedly connected with the protrusion. A channel is formed between the activity plate 321 and the inner wall of the limiting groove 311.

[0032] The external extruder sends the cooled strip-shaped PVC into the channel of one of the guide mechanisms 3, and the strip-shaped PVC passes through the channel into the clamping area, and the pushing mechanism 2 pushes the strip-shaped PVC into the channel of the other guide mechanism 3, so that the strip-shaped PVC can be more accurately close to the cutting mechanism 4; by rotating the hand wheel to make the screw rod 313 rotate forward or reverse, the screw rod 313 drives the sliding plate 32 to slide on the limiting seat 31, and the sliding plate 32 drives the movable plate 321 to move close to or away from the inner wall of the limiting groove 311, so as to adjust the width of the channel to match the diameter of the strip-shaped PVC.

[0033] Please refer to Figure 1 , Figure 4 and Figure 5 .

[0034] The support 1 extends with a connecting rod 11, the connecting rod 11 is a hollow structure, the cutting mechanism 4 includes a cutter seat 41, a rotating shaft 42, a cutting motor 43 and a second transmission belt 44, and the cutter seat 41 is preferably a hollow cylinder in the embodiment, a first bearing is arranged in the cutter seat 41, the outer ring of the first bearing is fixedly connected with the inner side of the cutter seat 41, the inner ring of the first bearing is sleeved on the outer side of the connecting rod 11 and is fixedly connected therewith, and the cutter seat 41 is rotatably connected with the support 1 through the first bearing; a plurality of rows of processing areas are arranged on the outer side of the cutter seat 41 in an interval arrangement, the other end of the limiting groove 311 close to the cutter seat 41 is close to the processing area, a plurality of groove positions 411 are arranged in the processing area in an interval arrangement, and a blade 412 is arranged in each groove position 411, and the groove positions 411 in two adjacent processing areas are arranged in an up-and-down staggered arrangement in the embodiment; the above design makes the rotating cutter seat 41 drive the blade 412 to be close to each other, the blade 412 in each processing area cuts the strip-shaped PVC in sequence, avoids the blades 412 in a plurality of processing areas from cutting the strip-shaped PVC at the same time, and reduces the resistance of the cutter seat 41 in cutting the strip-shaped PVC;

[0035] Further, the rotating shaft 42 penetrates the cutter seat 41 by penetrating the connecting rod 11, a flange is fixedly connected to one end of the rotating shaft 42, the flange is fixedly connected with the cutter seat 41, the rotating shaft 42 is coaxial with the cutter seat 41, the second bearing and the third bearing are sleeved on the outer side of the rotating shaft 42, the inner ring of the second bearing is fixedly connected with the outer side of the rotating shaft 42, the inner ring of the third bearing is fixedly connected with the outer side of the rotating shaft 42, the outer ring of the second bearing is fixedly connected with the inner wall of the connecting rod 11, and the outer ring of the third bearing is embedded in the support 1; the cutting motor 43 is fixedly connected with the support 1, a second pulley is fixedly connected to the other end of the rotating shaft 42 and the output shaft of the cutting motor 43, and the second transmission belt 44 is sleeved on the two second pulleys; a discharging channel 12 is fixedly connected to the support 1, and the discharging channel 12 is located below the guide mechanism 3 close to the cutter seat 41 and the cutting mechanism 4;

[0036] The cutting motor 43 drives the rotating shaft 42 and the cutter holder 41 to rotate through the second transmission belt 44, so that the cutter 412 on the cutter holder 41 cuts the strip-shaped PVC, and the granular PVC formed after cutting falls into the discharging channel 12.

[0037] The plurality of cooled strip-shaped PVCs are arranged in the clamping area, the advancing motor drives the first roller to rotate, the first roller pushes the strip-shaped PVC to pass through the limiting groove and approach the cutting mechanism, since the limiting groove is multiple, the advancing mechanism can push multiple strip-shaped PVCs to advance synchronously in the same operation; the cutting motor drives the cutter holder to rotate, the cutter holder drives the cutter to cut the strip-shaped PVC extending from the limiting groove to form the granular PVC, since the processing area for cutting is multiple rows, and each row of the processing area has multiple cutters, the cutting processing efficiency of one rotation of the cutter holder is greatly improved.

[0038] It should be noted that the above examples are used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the present application.

Claims

1. A pelletizer for processing PVC material products, characterized in that, The device comprises a support, a pushing mechanism, a cutting mechanism and a guiding mechanism. The pushing mechanism is connected with the support, and a first roller and a second roller are rotatably connected to the pushing mechanism. The guiding mechanism is connected with the support, and a plurality of limiting grooves are arranged on the guiding mechanism. The cutting mechanism comprises a cutter holder and a cutting motor.

2. A pelletizer for processing PVC material products as claimed in claim 1, characterized in that, The cutter holder is rotatably connected with the support.

3. A pelletizer for processing PVC material products as claimed in claim 2, characterized in that, The cutting motor is fixedly connected with the support.

4. A pelletizer for processing PVC material products as claimed in claim 3, characterized in that, The slots in two adjacent processing areas are arranged alternately.

5. A pelletizer for processing PVC material products as claimed in claim 4, characterized in that, The cutting mechanism further comprises a rotating shaft and a second transmission belt.

6. A pelletizer for processing PVC material products as claimed in claim 5, characterized in that, The rotating shaft penetrates the cutter holder and is rotatably connected with the support.

7. A pelletizer for processing PVC material products as claimed in claim 6, characterized in that, The first roller is rotatably connected with the connecting seat. The first transmission belt is sleeved on the output shaft of the pushing motor and the first roller. The second roller is rotatably connected with the two sliding blocks. The sliding blocks are provided with springs. The two guiding mechanisms are arranged on the two sides of the pushing mechanism. The limiting seat is connected with the support. The limiting grooves are arranged on the top of the limiting seat. The limiting seat is provided with a through groove. The through groove is in communication with the limiting grooves. The limiting seat is rotatably connected with a lead screw. The lead screw is fixedly connected with a hand wheel. The sliding plate is slidably connected with the limiting seat. The sliding plate is connected with the lead screw. The sliding plate is provided with a protrusion. The protrusion is located in the through groove. The limiting grooves are provided with a movable plate. The movable plate is fixedly connected with the protrusion. The movable plate and the inner wall of the limiting groove form a channel.

Images