Plastic extrusion die convenient to clean

Abstract

The utility model discloses a plastic extrusion die convenient to clean, which comprises a forming part, the forming part comprises a machine body A, a front groove, an extrusion groove and a forming groove, the front groove, the extrusion groove and the forming groove are arranged in the forming part, the front groove, the extrusion groove and the forming groove are communicated end to end, and cleaning components are arranged on two sides of the forming part. The cleaning assembly comprises a sealing groove, a sealing block, a vent groove and an air pipe. Through the designed cleaning assembly, a channel in the forming part can be cleaned, a ventilation groove is communicated with a sealing groove and a front groove by moving a sealing block, then high-pressure and high-speed airflow is introduced into the channel in the forming part through an external air pump and an air pipe, and residual materials in the channel are flushed out through the high-pressure and high-speed airflow; the cleaning mode has the advantages that frequent cleaning operation can be carried out at any time, time and labor are saved, and the channel is not prone to being damaged during cleaning.

Description

TECHNICAL FIELD

[0001] The utility model belongs to extrusion mould technical field, concretely relates to a plastic extrusion mould convenient to clean. BACKGROUND

[0002] The plastic extrusion mould is an important tool for continuously extruding plastic products in the plastic processing industry. Its working principle is to heat and melt the plastic raw materials in the barrel by the screw, so that the plastic raw materials become a melt with good fluidity. Then, under the push of the screw, the melt is extruded through the specific flow channel of the mould, forming a plastic product consistent with the shape of the mould outlet, such as pipe, plate, profiled material, etc.

[0003] After use, the plastic extrusion mould inevitably has some residual materials inside. The existing cleaning of the residual materials inside the mould is not convenient. The commonly used method is to disassemble the mould to clean the inside. However, this method is time-consuming and laborious, and is not convenient for frequent cleaning. In addition, the internal channels of the mould are easily damaged during the cleaning process. Therefore, a new mould convenient to clean needs to be designed to solve this problem. SUMMARY

[0004] The utility model aims at providing a plastic extrusion mould convenient to clean to solve the problem of inconvenient cleaning of the residual materials in the internal channels of the existing mould.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic extrusion mould convenient to clean, comprising a forming part, the forming part comprising a machine body A, a front groove, an extrusion groove and a forming groove opened in the inside of the forming part, the front groove, the extrusion groove and the forming groove being connected in series, the forming part being provided with a cleaning assembly on both sides, the cleaning assembly comprising a sealing groove, a sealing block, an air groove and an air pipe, the sealing groove being symmetrically opened on both sides of the machine body A, the sealing block being plugged and arranged in the sealing groove, the air groove being opened in the inside of the machine body A, the inner end being communicated with the sealing groove, the outer end being communicated with the outside, and the air pipe being connected to the outer end of the air groove.

[0006] Preferably, the cleaning assembly further comprises a connecting piece, the sealing block being slidingly arranged in the sealing groove, the inner end being flush with the inner wall of the front groove, and the outer end extending out of the sealing groove and being fixedly connected with the connecting piece.

[0007] Preferably, the cleaning assembly further comprises a pull ring, the pull ring being connected to the surface of the connecting piece.

[0008] Preferably, the cleaning assembly further comprises a side piece and a side groove, the side piece being fixed to one side of the sealing block and being slidingly inserted into the side groove opened on one side of the sealing groove.

[0009] Preferably, the cleaning assembly further comprises a spring, which is arranged between the side piece and the side groove.

[0010] Preferably, one end of the body A is provided with a feeding part at the port of the front groove, the feeding part comprising a body B and a feeding groove and a rear groove formed in the body B.

[0011] Preferably, a connecting assembly is arranged between the two sides of the body A and the body B, the connecting assembly comprising a plug-in piece, a plug-in groove, a fixing pile, a threaded fastening rod and an extrusion groove, the plug-in piece being symmetrically fixed on the two sides of the body B and being inserted into the plug-in groove fixed on the surface of the body A, the fixing pile being fixed on the surface of the plug-in groove, the threaded fastening rod being threadedly connected to the fixing pile and having an inner end inserted into the extrusion groove formed on the surface of the plug-in piece.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The cleaning assembly can clean the channel in the forming part, the air groove, the sealing groove and the front groove are connected by moving the sealing block, then the high-pressure and high-speed airflow is introduced into the channel in the forming part through the air pump and the air pipe, the residual material in the channel is flushed out by the high-pressure and high-speed airflow, the cleaning operation can be frequently performed at any time, time and labor are saved, and the channel is not easily damaged during cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a top view of the utility model;

[0015] Figure 2 It is a top view of the utility model Figure 1 It is an enlarged schematic view of the A area in the utility model;

[0016] Figure 3 It is a top view of the utility model Figure 1 It is an enlarged schematic view of the B area in the utility model;

[0017] In the drawing: 100, forming part; 101, body A; 102, front groove; 103, extrusion groove; 104, forming groove; 500, cleaning assembly; 501, sealing groove; 502, sealing block; 503, air groove; 504, air pipe; 505, connecting piece; 506, pull ring; 507, side piece; 508, side groove; 509, spring; 600, feeding part; 601, body B; 602, feeding groove; 603, rear groove; 700, connecting assembly; 701, plug-in piece; 702, plug-in groove; 703, fixing pile; 704, threaded fastening rod; 705, extrusion groove. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiment

[0019] Please refer to Figures 1 to 3 For the embodiments of the present application, the present embodiment provides a technical scheme: a plastic extrusion die convenient to clean, comprising a forming part 100, the forming part 100 comprising a machine body A 101, and a front groove 102, an extrusion groove 103 and a forming groove 104 opened in the forming part 100, the front groove 102, the extrusion groove 103 and the forming groove 104 are connected end to end, and the three together constitute a channel, the forming part 100 is provided with a cleaning assembly 500 on both sides, the channel in the forming part 100 can be cleaned through the cleaning assembly 500, the cleaning assembly 500 comprises a sealing groove 501, a sealing block 502, an air groove 503 and an air pipe 504, the sealing groove 501 is symmetrically opened on both sides of the machine body A 101, the sealing block 502 is plugged and arranged in the sealing groove 501, the air groove 503 is opened in the machine body A 101, and the inner end is communicated with the sealing groove 501, and the outer end is communicated with the outside, the air pipe 504 is connected to the outer end of the air groove 503, the air pipe 504 is connected with the air pump outside, in normal state, the sealing block 502 is plugged in the sealing groove 501, and will not affect the plastic extrusion, when it is needed to clean the channel, the sealing block 502 is pulled to make the air groove 503 and the sealing groove 501 communicate, then the air pump passes high-pressure high-speed airflow into the air groove 503, the high-pressure high-speed airflow enters the channel to clean the residual material in the channel.

[0020] In the embodiment, preferably, the cleaning assembly 500 further comprises a connecting piece 505, the sealing block 502 is slidingly arranged in the sealing groove 501, the inner end is flush with the inner wall of the front groove 102, and will not interfere with the plastic extrusion, and the outer end extends out of the sealing groove 501 and is fixedly connected with the connecting piece 505.

[0021] In the embodiment, preferably, the cleaning assembly 500 further comprises a pull ring 506, the pull ring 506 is connected to the surface of the connecting piece 505, and the sealing block 502 is pulled through the pull ring 506.

[0022] In the embodiment, preferably, the cleaning assembly 500 further comprises a side piece 507 and a side groove 508, the side piece 507 is fixed to one side of the sealing block 502 and slidingly inserted with the side groove 508 opened on one side of the sealing groove 501, the sealing block 502 is limited and plays a role of anti-disengagement.

[0023] In the embodiment, preferably, the cleaning assembly 500 further comprises a spring 509, the spring 509 is arranged between the side sheet 507 and the side groove 508, and the spring 509 is used to ensure that the sealing block 502 is stably blocked in the sealing groove 501 by the elastic force of the spring 509.

[0024] In the embodiment, preferably, one end of the machine body A101 is provided with a feeding part 600, the feeding part 600 comprises a machine body B601, a feeding groove 602 and a rear groove 603 which are arranged in the machine body B601, and connecting assemblies 700 are arranged between two sides of the machine body A101 and the machine body B601, the connecting assemblies 700 comprise inserting sheets 701, inserting grooves 702, fixing piles 703, threaded fastening rods 704 and extruding grooves 705, the inserting sheets 701 are symmetrically fixed on two sides of the machine body B601 and are inserted into the inserting grooves 702 which are fixed on the surface of the machine body A101, the fixing piles 703 are fixed on the surface of the inserting grooves 702, the threaded fastening rods 704 are threadedly connected to the fixing piles 703 and the inner ends of the threaded fastening rods 704 are inserted into the extruding grooves 705 which are arranged on the surface of the inserting sheets 701, and the feeding part 600 can be disassembled by unscrewing the threaded fastening rods 704.

[0025] Although the embodiments of the utility model have been shown and described (see the detailed description above), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic extrusion die for easy cleaning comprising a forming section (100) characterised in that: The forming part (100) comprises a body A (101), a front groove (102), an extrusion groove (103) and a forming groove (104) which are arranged in the forming part (100), the front groove (102), the extrusion groove (103) and the forming groove (104) are connected in series, and cleaning assemblies (500) are arranged on both sides of the forming part (100), the cleaning assemblies (500) comprise sealing grooves (501), sealing blocks (502), air grooves (503) and air pipes (504), the sealing grooves (501) are symmetrically arranged on both sides of the body A (101), the sealing blocks (502) are arranged in the sealing grooves (501), the air grooves (503) are arranged in the body A (101) and are connected with the sealing grooves (501) and are connected with the outside, and the air pipes (504) are connected with the air grooves (503).

2. A plastic extrusion die for easy cleaning according to claim 1, characterized in that: The cleaning assemblies (500) further comprise connecting plates (505), the sealing blocks (502) are arranged in the sealing grooves (501) and are flush with the inner walls of the front grooves (102), and the outer ends of the sealing blocks (502) are arranged outside the sealing grooves (501) and are fixedly connected with the connecting plates (505).

3. A plastic extrusion die for easy cleaning according to claim 2, characterized in that: The cleaning assemblies (500) further comprise pull rings (506), and the pull rings (506) are connected with the surfaces of the connecting plates (505).

4. A plastic extrusion die for easy cleaning according to claim 3, characterized in that: The cleaning assemblies (500) further comprise side plates (507) and side grooves (508), the side plates (507) are fixed on one side of the sealing blocks (502) and are slidably connected with the side grooves (508) arranged on one side of the sealing grooves (501).

5. A plastic extrusion die for easy cleaning according to claim 4, characterized in that: The cleaning assemblies (500) further comprise springs (509), and the springs (509) are arranged between the side plates (507) and the side grooves (508).

6. A plastic extrusion die for easy cleaning according to claim 5, characterized in that: One end of the body A (101) is provided with a feeding part (600), and the feeding part (600) comprises a body B (601), a feeding groove (602) and a rear groove (603) which are arranged in the body B (601).

7. A plastic extrusion die for easy cleaning according to claim 6, characterized in that: The body A (101) and the body B (601) are provided with connecting assemblies (700), the connecting assemblies (700) comprise inserting plates (701), inserting grooves (702), fixing stakes (703), threaded fastening rods (704) and extrusion grooves (705), the inserting plates (701) are symmetrically fixed on both sides of the body B (601) and are inserted into the inserting grooves (702) arranged on the surfaces of the body A (101), the fixing stakes (703) are fixed on the surfaces of the inserting grooves (702), the threaded fastening rods (704) are threadedly connected with the fixing stakes (703) and are inserted into the extrusion grooves (705) arranged on the surfaces of the inserting plates (701).

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