CN221756784U - Extrusion device for EPP plastic processing - Google Patents

Abstract

The utility model discloses an extrusion device for EPP plastic processing, which comprises an extrusion shell, a discharging pipe and a second gear, wherein a feeding shell is fixed on the upper surface of the extrusion shell, 2 dustproof baffles are connected to the inner wall of a cavity at the upper end of the feeding shell, a first motor is fixedly connected to the rear surface of the feeding shell, 2 transmission gears are mounted on the rear surface of the feeding shell, and a rotating shaft of one side of the transmission gears is fixedly connected with the output end of the first motor. This extrusion device is used in EPP plastics processing is provided with dustproof baffle and feeding casing, makes this device when the unloading, promotes dustproof baffle through the raw materials and rotates for dustproof baffle does not block normal feeding, promotes dustproof baffle through the spring and rotates the reset when not feeding, thereby and prevent through feeding shells inner wall's limiting plate that dustproof baffle from rotating and opening, prevents the broken dust that produces of raw materials and spill over this device, improves this device's practicality.

Description

An extrusion device for EPP plastic processing

Technical Field

The utility model relates to the technical field of plastic processing, in particular to an extrusion device for EPP plastic processing.

Background Art

The processing of some existing EPP plastics requires the use of extruders, which are one type of plastic machinery. They mainly rely on the pressure and shear force generated by the rotation of the screw to fully plasticize and evenly mix the materials, so that the materials are continuously pushed and compacted, and then extruded through the outlet at a certain pressure and flow rate.

The existing extrusion device usually passes the EPP plastic directly through the porous plate at the end of the extrusion device, and then extrude it through the die mouth. During the extrusion process of the EPP plastic, the continuous advancement of the EPP plastic will cause the porous plate to be blocked, thereby affecting the extrusion efficiency of the EPP plastic. At the same time, the blockage of the porous plate will cause the extrusion quality of the EPP plastic to decrease. In addition, the existing plastic processing machines can generally only perform simple crushing on the raw materials. The small particles after crushing are of different sizes, which is not convenient for further heating and melting. In addition, the dust generated by the crushing is easy to flow with the air, causing dust pollution to the workshop environment.

Utility Model Content

The utility model aims to provide an extrusion device for EPP plastic processing, so as to solve the problems mentioned in the above background technology that the continuous advancement of EPP plastic may lead to the blockage of the porous plate, the small particles after simple crushing are of different sizes and the dust generated by crushing is easy to flow with the air.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extrusion device for EPP plastic processing, comprising an extrusion shell, a discharge pipe and a second gear, a feed shell is fixed to the upper surface of the extrusion shell, and two dust baffles are connected to the inner wall of the cavity at the upper end of the feed shell, a first motor is fixedly connected to the rear surface of the feed shell, and two transmission gears are installed on the rear surface of the feed shell, and the rotating shaft of the transmission gear on one side is fixedly connected to the output end of the first motor, two crushing rollers are connected in the cavity of the feed shell, and the rotating shaft of the crushing roller is fixedly connected to the rotating shaft of the transmission gear, A second motor is fixed in the cavity at one end of the extrusion shell, and a spiral feeding shaft is arranged in the cavity at the other end of the extrusion shell, and the output end of the second motor passes through the inner wall of the extrusion shell and is fixedly connected to the rotating shaft of the spiral feeding shaft, a discharge pipe is fixedly installed on the lower surface of the extrusion shell, a first gear is connected to the lower surface of the extrusion shell, and a second gear is connected to the lower surface of the extrusion shell, a linkage disc is fixedly connected to the rotating shaft of the second gear, and a connecting rod is installed on the lower surface of the linkage disc, an anti-blocking push block is arranged in the cavity of the discharge pipe, and a supporting slide rod is connected between the anti-blocking push block and the connecting rod.

Preferably, an opening is provided between the extrusion shell and the feed shell, and the feed shell and the dust baffle are rotatably connected, and a spring is connected between the feed shell and the dust baffle, and a limit plate is provided on the inner wall of the feed shell.

By adopting the above technical solution, the raw materials are fed through the feed shell, the raw materials are fed through the rotation of the dustproof baffle, and the spring on the surface of the dustproof baffle automatically resets to prevent dust from overflowing.

Preferably, the transmission gear is rotationally connected to the feed shell, and the two transmission gears are meshingly connected, the crushing roller is rotationally connected to the feed shell, and the surface of the crushing roller is provided with tooth blocks, and the tooth blocks on the surfaces of the two crushing rollers are cross-arranged.

By adopting the above technical solution, the transmission gear rotates, so that the transmission gear drives the crushing roller at one end to rotate, thereby crushing the raw materials.

Preferably, a sprocket is provided on the output end surface of the second motor, the spiral feed shaft is rotationally connected to the extrusion shell, and the surface of the spiral feed shaft is provided with spiral blades, and an opening is provided between the discharge pipe and the extrusion shell.

By adopting the above technical solution, the second motor drives the first gear to rotate, so that the second motor drives the spiral feeding shaft to rotate, thereby feeding the raw materials.

Preferably, a sprocket is provided on the rotating shaft surface of the first gear, and a transmission chain is provided between the first gear and the output end of the second motor, and the first gear and the second gear are meshedly connected, and the first gear and the second gear are both rotationally connected to the extrusion shell.

By adopting the above technical solution, the rotation of the first gear drives the second gear to rotate, so that the second gear drives the linkage disk to rotate.

Preferably, the linkage disc is rotatably connected to the connecting rod, the connecting rod is rotatably connected to the supporting slide rod, the supporting slide rod is slidably connected to the extrusion shell, and the anti-blocking push block is slidably connected to the discharge pipe.

By adopting the above technical solution, the rotation of the linkage disc drives the connecting rod at the lower end to rotate, and the connecting rod pushes the supporting sliding rod and the anti-blocking push block at one end to discharge the raw materials.

Compared with the prior art, the utility model has the following beneficial effects: the extrusion device for EPP plastic processing:

1. A dust baffle and a feed shell are provided, so that when the device is unloading, the raw material pushes the dust baffle to rotate, so that the dust baffle does not block normal feeding. When no feeding is performed, the dust baffle is pushed by a spring to rotate and reset, and the limit plate on the inner wall of the feed shell prevents the dust baffle from rotating and opening, so as to prevent the dust generated by the crushing of the raw material from overflowing the device, thereby improving the practicality of the device;

2. A transmission gear and a crushing roller are provided, so that the device drives the transmission gear on one side to rotate through the first motor, so that the transmission gear on one side drives the transmission gear on the other side to rotate through the tooth block, so that the transmission gear drives the crushing roller to rotate in opposite directions, thereby fully crushing the raw materials entering the device, which is convenient for subsequent heating processing;

3. An anti-blocking push block and a linkage disc are provided, so that the device drives the first gear to rotate through the second motor, and the first gear drives the second gear and the linkage disc to rotate, so that the linkage disc reciprocates through the connecting rod to push the supporting slide rod and the anti-blocking push block to move, so that the anti-blocking push block squeezes and pushes the raw materials to prevent the discharge pipe from being blocked.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall front cross-sectional structure of the utility model;

Figure 2 is a schematic side sectional view of the overall structure of the utility model;

Figure 3 is a schematic diagram of the overall top sectional structure of the utility model;

FIG. 4 is a schematic diagram of the overall bottom-up structure of the utility model.

In the figure: 1. extrusion shell; 2. feed shell; 3. dust baffle; 4. first motor; 5. transmission gear; 6. crushing roller; 7. second motor; 8. spiral feed shaft; 9. discharge pipe; 10. first gear; 11. second gear; 12. linkage disc; 13. connecting rod; 14. support slide rod; 15. anti-blocking push block.

DETAILED DESCRIPTION

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.

Please refer to Figures 1-4. The utility model provides a technical solution: an extrusion device for EPP plastic processing, including an extrusion shell 1, a feed shell 2, a dust baffle 3, a first motor 4, a transmission gear 5, a crushing roller 6, a second motor 7, a spiral feeding shaft 8, a discharge pipe 9, a first gear 10, a second gear 11, a linkage disc 12, a connecting rod 13, a supporting slide bar 14 and an anti-blocking push block 15. The upper surface of the extrusion shell 1 is fixed with the feed shell 2, and the inner wall of the cavity at the upper end of the feed shell 2 is connected with two dust baffles 3. An opening is provided between the shell 1 and the feed shell 2, and the feed shell 2 is rotatably connected to the dust baffle 3, and a spring is connected between the feed shell 2 and the dust baffle 3, and a limit plate is provided on the inner wall of the feed shell 2. When using the device, the device is first fed through the feed shell 2, so that the raw material pushes the dust baffle 3 to rotate, thereby facilitating the transportation of the raw material. When the material is no longer fed, the dust baffle 3 is pushed by the spring to rotate and reset, thereby preventing the dust generated when the raw material is crushed from flying out of the device, thereby improving the practicability of the device.

A first motor 4 is fixedly connected to the rear surface of the feed shell 2, and two transmission gears 5 are installed on the rear surface of the feed shell 2, and the rotating shaft of the transmission gear 5 on one side is fixedly connected to the output end of the first motor 4, two crushing rollers 6 are connected to the cavity of the feed shell 2, and the rotating shaft of the crushing roller 6 is fixedly connected to the rotating shaft of the transmission gear 5, the transmission gear 5 is rotationally connected to the feed shell 2, and the two transmission gears 5 are meshingly connected, the crushing roller 6 is rotationally connected to the feed shell 2, and tooth blocks are arranged on the surface of the crushing roller 6, and the tooth blocks on the surfaces of the two crushing rollers 6 are cross-arranged, the transmission gear 5 on one side is driven to rotate by the first motor 4, and the transmission gear 5 on the other side is driven to rotate by the tooth block, so that the transmission gear 5 drives the two crushing rollers 6 to rotate towards each other, so that the raw material is crushed by the tooth blocks on the surface of the crushing roller 6, the uniformity of the raw material particles is improved, and it is convenient for subsequent heating processing.

A second motor 7 is fixed in the cavity at one end of the extrusion shell 1, and a spiral feeding shaft 8 is arranged in the cavity at the other end of the extrusion shell 1, and the output end of the second motor 7 passes through the inner wall of the extrusion shell 1 and is fixedly connected to the rotating shaft of the spiral feeding shaft 8, and a discharge pipe 9 is fixedly installed on the lower surface of the extrusion shell 1, and a sprocket is arranged on the surface of the output end of the second motor 7, the spiral feeding shaft 8 is rotationally connected with the extrusion shell 1, and the surface of the spiral feeding shaft 8 is arranged with spiral blades, and an opening is arranged between the discharge pipe 9 and the extrusion shell 1, and then the spiral feeding shaft 8 is driven to rotate by the second motor 7, so that the spiral feeding shaft 8 drives the raw material through the blades on the surface, thereby moving it into the discharge pipe 9 for extrusion.

A first gear 10 is connected to the lower surface of the extrusion shell 1, and a second gear 11 is connected to the lower surface of the extrusion shell 1. The rotating shaft of the second gear 11 is fixedly connected to a linkage disc 12, and a connecting rod 13 is installed on the lower surface of the linkage disc 12. A sprocket is provided on the rotating shaft surface of the first gear 10, and a transmission chain is provided between the first gear 10 and the output end of the second motor 7, and the first gear 10 and the second gear 11 are meshedly connected. Both the first gear 10 and the second gear 11 are rotationally connected to the extrusion shell 1. When the second motor 7 is working, the first gear 10 is driven to rotate through the transmission chain, and the first gear 10 drives the second gear 11 to rotate through the tooth block, so that the second gear 11 drives the linkage disc 12 at the lower end to rotate.

An anti-blocking push block 15 is provided in the cavity of the discharge pipe 9, and a supporting slide bar 14 is connected between the anti-blocking push block 15 and the connecting rod 13, the linkage disc 12 and the connecting rod 13 are rotatably connected, and the connecting rod 13 and the supporting slide bar 14 are rotatably connected, and the supporting slide bar 14 and the extrusion shell 1 are slidably connected, the anti-blocking push block 15 and the discharge pipe 9 are slidably connected, and after the linkage disc 12 rotates, it drives the connecting rod 13 on one side of the lower surface to move, and as the linkage disc 12 rotates, it drives the connecting rod 13 to reciprocate, so that the connecting rod 13 pushes the supporting slide bar 14 and the anti-blocking push block 15 to slide back and forth in the discharge pipe 9, thereby pushing the raw material in the discharge pipe 9 through the anti-blocking push block 15, assisting the extrusion of the raw material while preventing the raw material from being blocked.

Working principle: When using the extrusion device for EPP plastic processing, firstly, the raw material is introduced into the device through the feed shell 2, the dust generated when the raw material is crushed is blocked by the dust baffle 3, the transmission gear 5 is driven to rotate by the first motor 4, so that the transmission gear 5 drives the crushing roller 6 to rotate to crush the raw material, and the spiral feeding shaft 8 is driven to rotate by the second motor 7 to feed the material, and the first gear 10 is driven to rotate by the second motor 7, and the first gear 10 drives the second gear 11 and the linkage disc 12 to rotate, so that the linkage disc 12 drives the support slide bar 14 and the anti-blocking push block 15 to slide back and forth in the discharge pipe 9 through the connecting rod 13, thereby preventing the raw material from being blocked and increasing the overall practicality.

Although the 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 (6)

1. The utility model provides an extrusion device is used in EPP plastics processing, includes extrusion shell (1), discharging pipe (9) and second gear (11), its characterized in that: the upper surface of the extrusion shell (1) is fixedly provided with a feeding shell (2), the inner wall of a cavity at the upper end of the feeding shell (2) is connected with 2 dustproof baffles (3), the rear surface of the feeding shell (2) is fixedly connected with a first motor (4), the rear surface of the feeding shell (2) is provided with 2 transmission gears (5), the rotating shaft of one side of the transmission gears (5) is fixedly connected with the output end of the first motor (4), the cavity of the feeding shell (2) is internally connected with 2 crushing rollers (6), the rotating shaft of the crushing rollers (6) is fixedly connected with the rotating shaft of the transmission gears (5), a second motor (7) is fixed in the cavity at one end of the extrusion shell (1), a spiral feeding shaft (8) is arranged in the cavity at the other end of the extrusion shell (1), the output end of the second motor (7) penetrates through the inner wall of the extrusion shell (1) and is fixedly connected with the rotating shaft of the spiral feeding shaft (8), the lower surface of the extrusion shell (1) is fixedly provided with a discharging pipe (9), the lower surface of the extrusion shell (1) is fixedly connected with a lower gear (10), the lower surface of the extrusion shell (1) is provided with a second gear (12), the lower gear (12) is connected with a second gear (12), the lower surface of the lower gear (11) is in linkage connection with the second gear (12), an anti-blocking push block (15) is arranged in the cavity of the discharging pipe (9), and a supporting slide rod (14) is connected between the anti-blocking push block (15) and the connecting rod (13).

2. The extrusion device for EPP plastic processing according to claim 1, wherein: an opening is formed between the extrusion shell (1) and the feeding shell (2), the feeding shell (2) and the dustproof baffle plate (3) are connected in a rotating mode, a spring is connected between the feeding shell (2) and the dustproof baffle plate (3), and a limiting plate is arranged on the inner wall of the feeding shell (2).

3. The extrusion device for EPP plastic processing according to claim 1, wherein: the transmission gear (5) is connected with the feeding shell (2) in a rotating way, the 2 transmission gears (5) are connected in a meshing way, the crushing roller (6) is connected with the feeding shell (2) in a rotating way, tooth blocks are arranged on the surface of the crushing roller (6), and the tooth blocks on the surfaces of the 2 crushing rollers (6) are arranged in a crossed way.

4. The extrusion device for EPP plastic processing according to claim 1, wherein: the output end surface of the second motor (7) is provided with a chain wheel, the spiral feeding shaft (8) is rotationally connected with the extrusion shell (1), spiral blades are arranged on the surface of the spiral feeding shaft (8), and an opening is formed between the discharging pipe (9) and the extrusion shell (1).

5. The extrusion device for EPP plastic processing according to claim 1, wherein: the rotary shaft surface of the first gear (10) is provided with a chain wheel, a transmission chain is arranged between the first gear (10) and the output end of the second motor (7), the first gear (10) and the second gear (11) are in meshed connection, and the first gear (10) and the second gear (11) are in rotary connection with the extrusion shell (1).

6. The extrusion device for EPP plastic processing according to claim 1, wherein: the linkage disc (12) is rotationally connected with the connecting rod (13), the connecting rod (13) is rotationally connected with the supporting slide rod (14), the supporting slide rod (14) is in sliding internal connection with the extrusion shell (1), and the anti-blocking push block (15) is in sliding connection with the discharging pipe (9).