Injection molding machine hopper with easy clean

Abstract

The utility model discloses an injection molding machine hopper convenient to clean, including the casing, the outside of casing is connected with the outer tube through the communicating pipe, the outer tube outside is equipped with the three -way valve, two feed ends of valve are linked with liquid supply equipment and gas supply equipment communication respectively, the casing bottom is equipped with the unloading frame body, is equipped with the cleaning fluid pipe and the discharge pipe and the control valve body on the unloading frame body. Advantageous effect lies in: the cleaning fluid pipe, discharge pipe and control valve body set up on the unloading frame body, can realize normal feeding and cleaning flexible switching of liquid discharge, has guaranteed the stable operation of hopper under different working conditions, through setting up the outer tube, the communicating pipe and with liquid supply equipment and gas supply equipment communicated, can realize the preliminary cleaning of casing inside, cleaning fluid cleaning and blow dry operation, cleaning is more thorough, effectively avoided the influence of residual material to the follow -up production.

Description

Technical Field

[0001] This utility model relates to the field of injection molding equipment, specifically to an injection molding machine hopper that is easy to clean. Background Technology

[0002] Injection molding machines are the main molding equipment used to make various shapes of plastic products from thermoplastic or thermosetting plastics using plastic molds. The hopper, as an important component of the injection molding machine, is used to store plastic particles and transport them to subsequent processing mechanisms.

[0003] In actual production, after long-term use, plastic particles and impurities will remain on the inner wall of the hopper. If these residues are not cleaned in time, they will affect the quality of subsequent plastic products and may even clog the feeding channel due to the agglomeration of residues, thus affecting production efficiency. Traditional hopper cleaning methods are mostly manual, which is not only labor-intensive and inefficient, but also not thorough enough.

[0004] Therefore, there is a need for an injection molding machine hopper that is easy to clean in order to solve the problems existing in the prior art. Utility Model Content

[0005] The purpose of this invention is to provide an easy-to-clean injection molding machine hopper to solve the above-mentioned problems, as detailed below.

[0006] To achieve the above objectives, the present invention provides the following technical solution: This utility model provides an easy-to-clean injection molding machine hopper, including a machine housing. An outer pipe is connected to the outside of the machine housing through a connecting pipe. The outer pipe is annular and the connecting pipe is inclined. The lower end of the inclined surface is connected to the machine housing. A three-way valve is provided on the outside of the outer pipe. The two inlet ends of the valve are respectively connected to a liquid supply device and a gas supply device. The bottom of the machine housing is provided with a feeding frame, which is equipped with a cleaning fluid pipe, a discharge pipe, and a control valve body for sealing the cleaning fluid pipe or the discharge pipe.

[0007] In some embodiments, there are multiple connecting tubes, which are evenly distributed in a spiral shape around the axis of the outer tube.

[0008] In some embodiments, the inner wall of the housing is provided with spirally arranged protrusions.

[0009] In some embodiments, the high end of the housing is provided with an inner buckle cover extending toward the interior of the housing, the bottom surface of the inner buckle cover extending below the bottom end of the connecting pipe, and a gap is provided between the inner buckle cover and the inner wall of the housing.

[0010] In some embodiments, the control valve body includes a sealing plug rotatably disposed inside the unloading frame body, the top surface of the sealing plug being inclined, and an operating part for driving the sealing plug to rotate is provided on the outside of the unloading frame body.

[0011] In some embodiments, the operating unit is a rotary motor or a rotary handle.

[0012] In some embodiments, a vibration module is movably mounted on the outer side of the inner cover, and a valve is provided on the cleaning fluid pipe.

[0013] In some embodiments, the vibration module includes two mounting sleeves, with a spool rotatably connected to each of the two support lugs. A pull rope is fixed to the outside of the spool, and a wireless waterproof vibrator is connected to the movable end of the pull rope. One of the mounting sleeves is rotatably connected to the inner buckle cover, and the inner buckle cover is provided with a support lug for limiting the insertion of the other mounting sleeve.

[0014] In some embodiments, the outer wall of the mounting sleeve is a regular polygon.

[0015] The beneficial effects are: The cleaning fluid pipe, discharge pipe, and control valve body installed on the feeding frame can flexibly switch between normal feeding and cleaning drainage, making operation convenient and ensuring stable operation of the hopper under different working conditions. By setting up external pipes, connecting pipes, and connected liquid supply and air supply equipment, it is possible to perform preliminary cleaning, cleaning fluid washing, and drying operations on the inside of the machine casing, making the cleaning more thorough and effectively avoiding the impact of residual substances on subsequent production. Moreover, no manual entry into the hopper is required for cleaning, reducing labor intensity and improving cleaning efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the internal structure of this utility model; Figure 2 This is the front view of this utility model.

[0018] The annotations in the attached figures are explained as follows: 1. Housing; 101. Inner buckle cover; 102. Raised strip; 2. Feeding frame; 201. Discharge pipe; 202. Cleaning fluid pipe; 3. Control valve body; 301. Sealing plug; 302. Operating part; 4. Outer pipe; 401. Connecting pipe; 5. Vibration module; 501. Reel; 502. Pull rope; 503. Wireless waterproof vibrator; 504. Mounting sleeve; 505. Support side lug. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] First embodiment: See Figures 1-2 As shown, this utility model provides an easy-to-clean injection molding machine hopper, including a housing 1 made of stainless steel with an inverted conical structure, which is more conducive to the downward conveying of plastic particles.

[0021] A connecting pipe 401 is welded to the outside of the housing 1. The other end of the connecting pipe 401 is welded to the outer pipe 4. The outer pipe 4 is an annular steel pipe with an inner diameter of 25-50mm. The angle between the connecting pipe 401 and the horizontal plane is 20-30°. The lower end of the inclined surface is connected to the housing 1 to ensure that the cleaning fluid or gas can smoothly enter the housing 1.

[0022] The three-way valve installed on the outside of the outer pipe 4 is an electromagnetic three-way valve. Its two inlet ends are connected to the liquid supply equipment and the air supply equipment through pipelines respectively. The liquid supply equipment can be a cleaning fluid storage tank with a delivery pump, and the air supply equipment can be an air compressor. By controlling the opening and closing state of the electromagnetic three-way valve, the supply of cleaning fluid or compressed air can be switched.

[0023] The bottom of the housing 1 is fixedly connected to the feeding frame 2 by bolts. The feeding frame 2 has a cleaning liquid pipe 202 and a discharge pipe 201 integrally formed on it. The feeding frame 2 is also equipped with a control valve body 3 to achieve sealing of the cleaning liquid pipe 202 or the discharge pipe 201. That is, when the cleaning liquid pipe 202 is sealed, the discharge pipe 201 can be opened to facilitate the passage of plastic particles. When the discharge pipe 201 is sealed, the cleaning liquid pipe 202 can be opened to facilitate the discharge of impurities and used cleaning liquid.

[0024] During normal production, the control valve body 3 seals the cleaning fluid pipe 202 and opens the discharge pipe 201. Plastic particles are transported from the housing 1 through the discharge pipe 201 of the feeding rack body 2 to the subsequent processing mechanism. When the hopper needs to be cleaned, the discharge pipe 201 is closed first, the cleaning fluid pipe 202 is opened, and the air supply equipment is controlled to work through the three-way valve. Compressed air enters the interior of the housing 1 through the outer pipe 4 and the connecting pipe 401, which can perform preliminary cleaning of the interior of the housing 1. The liquid supply equipment is operated again, and the cleaning fluid enters the interior of the housing 1 through the outer pipe 4 and the connecting pipe 401 to rinse the inner wall of the housing 1. The waste liquid after rinsing is discharged through the cleaning fluid pipe 202. After cleaning is completed, the liquid supply equipment is closed, and the air supply equipment is controlled to work through the three-way valve. Compressed air enters the interior of the housing 1 through the outer pipe 4 and the connecting pipe 401 to dry the residual moisture on the inner wall of the housing 1, ensuring that the interior of the hopper is dry.

[0025] The first embodiment differs from the first embodiment in that: There are multiple connecting pipes 401, which are evenly distributed in a spiral shape around the axis of the outer pipe 4. The multiple spirally distributed connecting pipes 401 can make the cleaning liquid or gas enter the various positions inside the housing 1 more evenly. The inner wall of the housing 1 is provided with spirally arranged protrusions 102, and the spiral protrusions 102 on the inner wall of the housing 1 can play a disturbing role during the cleaning process, thereby enhancing the cleaning effect.

[0026] The third embodiment differs from the first embodiment in that: The high end of the housing 1 is provided with an inner buckle cover 101 extending toward the inside of the housing 1. The bottom surface of the inner buckle cover 101 extends to below the bottom end of the connecting pipe 401, and there is a gap between the inner buckle cover 101 and the inner wall of the housing 1. The inner buckle cover 101 is used to protect the opening of the housing 1 to prevent the cleaning fluid from splashing out from the top opening of the housing. The control valve body 3 includes a sealing plug 301 rotatably disposed inside the unloading frame 2. The top surface of the sealing plug 301 is inclined. An operating part 302 for driving the sealing plug 301 to rotate is provided on the outside of the unloading frame 2. The operating part 302 is a rotating motor or a rotating handle. The inner cover 101 can prevent materials from directly impacting the connecting pipe 401, and at the same time guides the cleaning liquid or gas to be better distributed during cleaning. By rotating the sealing plug 301 through the operating part 302, the opening and closing of the cleaning liquid pipe 202 and the discharge pipe 201 can be easily controlled. Rotating the operating part 302 can drive the sealing plug 301 to rotate. When the inclined surface of the sealing plug 301 corresponds to the discharge pipe 201, it can realize the delivery of plastic particles. When the inclined surface of the sealing plug 301 corresponds to the cleaning liquid pipe 202, it can assist in the discharge of impurities or cleaning liquid in the casing 1. The fourth embodiment differs from the second embodiment in that: A vibration module 5 is movably installed on the outer side of the inner cover 101, and a valve is provided on the cleaning fluid pipe 202. The vibration module 5 includes two mounting sleeves 504, and a roller 501 is rotatably connected to two support ears 505. A pull rope 502 is fixed to the outside of the roller 501, and a wireless waterproof vibrator 503 is connected to the movable end of the pull rope 502. One of the mounting sleeves 504 is rotatably connected to the inner cover 101. The inner cover 101 is provided with a support ear 505 for limiting the insertion of the other mounting sleeve 504. During the cleaning process, the vibration module 5 can make it easier for impurities attached to the housing 1 and the inner cover 101 to fall off through vibration, thereby improving the cleaning efficiency.

[0027] Specifically, since one of the mounting sleeves 504 is rotatably connected to the inner cover 101, in actual operation, by rotating the mounting sleeve 504, the movable end of the mounting sleeve 504 can be inserted into the support side ear 505 for fixation. At this time, the roller 501 can loosen the pull rope 502 on the outside of the roller 501, allowing the wireless waterproof vibrator 503 to fall towards the inside of the housing 1, which can assist the inside of the housing 1 in vibration soaking and cleaning. After the cleaning operation is completed, the power of the wireless waterproof vibrator 503 is turned off, and the roller 501 is rotated so that the pull rope 502 is wound around the outside of the roller 501. The wireless waterproof vibrator 503 then moves upward and closer to the roller 501. Rotating the mounting sleeve 504 can remove the vibration module 5 from the top opening of the housing 1 without affecting the normal use of the housing 1.

[0028] Furthermore, the outer wall of the 504 mounting sleeve is a regular polygon, which allows for better snap-fit ​​fixing with the 505.

[0029] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A hopper for an injection molding machine that is easy to clean, comprising a housing (1), characterized in that: The outer side of the housing (1) is connected to an outer pipe (4) through a connecting pipe (401). The outer pipe (4) is annular. The connecting pipe (401) is inclined. The lower end of the inclined surface is connected to the housing (1). A three-way valve is provided on the outer side of the outer pipe (4). The two feed ends of the valve are connected to the liquid supply equipment and the gas supply equipment, respectively. The bottom of the housing (1) is provided with a feeding rack (2), and the feeding rack (2) is provided with a cleaning liquid pipe (202) and a discharge pipe (201) as well as a control valve body (3) for sealing the cleaning liquid pipe (202) or the discharge pipe (201).

2. The injection molding machine hopper for easy cleaning according to claim 1, characterized in that: There are multiple connecting pipes (401), and they are evenly distributed in a spiral shape around the axis of the outer pipe (4).

3. The easy-to-clean injection molding machine hopper according to claim 2, characterized in that: The inner wall of the housing (1) is provided with spirally arranged protrusions (102).

4. The easy-to-clean injection molding machine hopper according to claim 1, characterized in that: The high end of the housing (1) is provided with an inner buckle cover (101) extending toward the inside of the housing (1). The bottom surface of the inner buckle cover (101) extends to below the bottom end of the connecting pipe (401), and there is a gap between the inner buckle cover (101) and the inner wall of the housing (1).

5. The easy-to-clean injection molding machine hopper according to claim 4, characterized in that: The control valve body (3) includes a sealing plug (301) rotatably disposed inside the unloading frame body (2). The top surface of the sealing plug (301) is inclined. An operating part (302) for driving the sealing plug (301) to rotate is provided on the outside of the unloading frame body (2).

6. The injection molding machine hopper for easy cleaning according to claim 5, characterized in that: The operating part (302) is a rotary motor or a rotary handle.

7. The easy-to-clean injection molding machine hopper according to claim 4, characterized in that: A vibration module (5) is movably installed on the outside of the inner cover (101), and a valve is provided on the cleaning fluid pipe (202).

8. The easy-to-clean injection molding machine hopper according to claim 7, characterized in that: The vibration module (5) includes two mounting sleeves (504), and a spool (501) is rotatably connected to two support ears (505). A pull rope (502) is fixed to the outside of the spool (501), and a wireless waterproof vibrator (503) is connected to the movable end of the pull rope (502). One of the mounting sleeves (504) is rotatably connected to the inner buckle cover (101), and the inner buckle cover (101) is provided with a support ear (505) for limiting the insertion of the other mounting sleeve (504).

9. The easy-to-clean injection molding machine hopper according to claim 8, characterized in that: The outer wall of the mounting sleeve (504) is a regular polygon.

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