Raw material extruder for rubber product processing

Abstract

The utility model relates to a raw material extruder for processing rubber products, which aims at solving the technical problem that the inner wall of a screw extruder is inconvenient to clean at present and comprises an extruder body, an extrusion component, a mounting mechanism and a rubbing component, the extruder body comprises a machine frame, a machine shell, a stirring barrel and a machine cover; the machine shell is fixedly arranged on the machine frame. The stirring barrel is fixedly arranged on the machine shell; the machine cover is hinged and matched with one side of the machine shell through a hinge; the extrusion assembly is arranged on the rack and comprises an extrusion motor and a spiral conveyor; the extrusion motor is connected with the rack fixing plate through a bolt; the spiral conveyor is arranged in the machine shell, and the end of the spiral conveyor penetrates through the machine shell and is connected with the output end of the extrusion motor through a mounting mechanism. The rubbing assembly is arranged on the spiral conveyor; the rubbing assembly comprises a connecting rod and a scraping plate; the plurality of connecting rods are uniformly and fixedly arranged on the circumferential surface of the rotating shaft of the spiral conveyor; and the scraping plate is fixedly connected with one end, far away from the spiral conveyor, of the connecting rod. The cleaning device has the advantage that the inner wall of the machine shell can be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber product processing, in particular to a raw material extruder used for rubber product processing. Background Art

[0002] Rubber products refer to the activities of producing various rubber products using natural and synthetic rubber as raw materials, and also include rubber products recycled from waste rubber. The output of synthetic rubber has greatly exceeded that of natural rubber, among which the largest output is styrene-butadiene rubber.

[0003] At present, most rubber product manufacturers in the market use screw extruders to extrude rubber raw materials. However, in the prior art, such as the raw material extruder for rubber product processing provided by the Chinese utility model patent with publication number CN218593639U, during the process of stirring, conveying and extruding the rubber raw materials, the rubber raw materials will adhere to the inner wall of the screw extruder, which will affect the use effect of the screw extruder over time. Therefore, it is necessary to clean the inner wall of the screw extruder. At present, the inner wall of the screw extruder is usually cleaned manually, but manual cleaning is not only difficult, but also increases the workload of the staff, thereby reducing the cleaning efficiency. In view of this, we propose a raw material extruder for rubber product processing. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art, meet practical needs, and provide a raw material extruder for rubber product processing to solve the current technical problem of inconvenience in cleaning the inner wall of a screw extruder.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is as follows: design a raw material extruder for rubber product processing, including an extruder body, an extrusion assembly, a mounting mechanism and a scratching assembly; wherein the extruder body includes a frame, a casing, a mixing barrel and a cover; the casing is fixed on the frame; the mixing barrel is fixed on the casing, and the output end of the mixing barrel is connected to the casing; the cover is hinged to one side of the casing through a hinge, and the cover is connected to the casing through a buckle; the extrusion assembly is arranged on the frame and includes an extrusion motor and a spiral transmission conveyor; the extrusion motor is connected to the frame fixing plate by bolts; the screw conveyor is arranged in the casing, and the end of the screw conveyor passes through the casing and is connected to the output end of the extrusion motor through the mounting mechanism; the scratch assembly is arranged on the screw conveyor; wherein, the scratch assembly includes a connecting rod and a scraper; a plurality of the connecting rods are evenly fixed on the circumferential surface of the screw conveyor shaft; the scraper is fixedly connected to the end of the connecting rod away from the screw conveyor, and the end of the scraper contacts the inner wall of the casing; wherein, there is an overlapping part between two adjacent scrapers.

[0006] Preferably, the scraper has a spiral structure, and the cross section of the scraper has an isosceles triangle structure, and the tip of the scraper contacts the inner wall of the casing.

[0007] Preferably, the mounting mechanism comprises a fixed component and a sliding component; wherein the sliding component is arranged on the fixed component.

[0008] Preferably, the fixing assembly comprises a fixing rod, a fixing block, a slot, an insert block, a limiting groove, a limiting block and a fixing groove; the fixing rod is fixedly connected to the output end of the extrusion motor; the fixing block is fixedly connected to the end of the fixing rod away from the extrusion motor; a slot is provided on the side of the fixing block away from the fixing rod; the insert block is inserted into the slot, and the end of the insert block is fixedly connected to the rotating shaft of the screw conveyor; wherein, the size of the insert block is smaller than the diameter of the rotating shaft of the screw conveyor; a plurality of limiting grooves are evenly provided in the slot; the limiting block is slidably provided in the limiting groove, and both ends of the limiting block extend to the outside through the limiting groove; a fixing groove is provided on the insert block; wherein, the limiting block is snap-fitted with the fixing groove.

[0009] Preferably, the limiting block comprises a wedge block A, a transmission block and a wedge block B, the wedge block A and the wedge block B are both arc-shaped structures, and the arc surfaces of the wedge block A and the wedge block B are in contact with the inner wall of the limiting groove.

[0010] Preferably, the fixing groove is a square groove, and the cross section of the fixing groove is an arc-shaped structure, and the arc surface of the wedge block A contacts the inner wall of the fixing groove.

[0011] Preferably, the sliding assembly includes a sliding frame and a spring; the sliding frame is sleeved on the fixed rod; wherein the sliding frame and the fixed block are slidably matched; wherein the inner wall of the sliding frame is in contact with the end of the wedge block B; the spring is arranged in the sliding frame, the spring is sleeved on the fixed rod, and one end of the spring is fixedly connected to the fixed block, and the other end is fixedly connected to the inner wall of the sliding frame.

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

[0013] 1. The utility model is provided with a scraping component. When the rubber raw material needs to be stirred, conveyed and extruded, first, a proper amount of rubber raw material is added into the stirring barrel, the rubber raw material is stirred in the stirring barrel, and the stirred rubber raw material enters the casing. Subsequently, the extrusion motor is started to rotate the output shaft of the extrusion motor, so that the screw conveyor rotates, and the screw conveyor conveys and extrude the stirred rubber raw material. When the screw conveyor rotates, the scraper rotates through the connecting rod, so that the scraper scrapes the inner wall of the casing, and the rubber raw material conveyed by the screw conveyor is extruded from the discharge port of the casing. The utility model can clean the inner wall of the casing during the conveying and extrusion of the rubber raw material, which is beneficial to improving the use effect of the utility model.

[0014] 2. The utility model provides a fixing rod, a fixing block, a slot, an insert block, a limiting slot, a limiting block and a fixing slot, and utilizes the plug-in cooperation between the insert block and the slot, the sliding cooperation between the limiting block and the limiting slot, and the snap-in cooperation between the limiting block and the fixing slot to enable the screw conveyor to be disassembled, thereby facilitating the cleaning or replacement of the screw conveyor. The size of the insert block is set to be smaller than the diameter of the screw conveyor shaft to facilitate the disassembly of the screw conveyor.

[0015] 3. The utility model sets a sliding frame and a spring, utilizes the sliding cooperation between the sliding frame and the fixed block and the elastic effect of the spring, and sets the inner wall of the sliding frame to contact the end of the wedge block B, so as to facilitate squeezing the inclined surface of the wedge block B through the end of the sliding frame, so that the arc surface of the wedge block A contacts the inner wall of the fixed groove, thereby fixing the position of the screw conveyor, thereby improving the practicality of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the scraper structure of the utility model;

[0019] Figure 4 It is a partial structural split cross-sectional view of the utility model;

[0020] Figure 5 It is an enlarged schematic diagram of point A of the utility model;

[0021] Figure 6 It is an enlarged schematic diagram of point B of the present utility model.

[0022] In the figure:

[0023] 1. Extruder body; 2. Extrusion assembly; 3. Installation mechanism; 4. Scratching assembly; 5. Fixing assembly; 6. Sliding assembly;

[0024] 101, frame; 102, casing; 103, mixing barrel; 104, cover;

[0025] 201. Extrusion motor; 202. Screw conveyor;

[0026] 401, connecting rod; 402, scraper;

[0027] 501, fixing rod; 502, fixing block; 503, slot; 504, insert block; 505, limit slot; 506, limit block; 507, fixing slot;

[0028] 5061, wedge block A; 5062, transmission block; 5063, wedge block B;

[0029] 601. Sliding frame; 602. Spring. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0031] Example 1: A raw material extruder for rubber product processing, see Figures 1 to 6 , including an extruder body 1, an extrusion assembly 2, a mounting mechanism 3 and a scratch assembly 4; wherein the extruder body 1 includes a frame 101, a casing 102, a mixing barrel 103 and a cover 104; the casing 102 is fixed on the frame 101; the mixing barrel 103 is fixed on the casing 102, and the output end of the mixing barrel 103 is connected to the casing 102; the cover 104 is hingedly matched with one side of the casing 102 by a hinge, and the cover 104 is connected to the casing 102 by a buckle; the extrusion assembly 2 is arranged on the frame 101; wherein the extrusion assembly 2 includes an extrusion motor 201 and a screw conveyor 202; the extrusion motor 201 is connected to the fixing plate of the frame 101 by bolts; the screw conveyor 202 is arranged in the casing 102, and the end of the screw conveyor 202 passes through the casing 102 and is connected to the output end of the extrusion motor 201 through the mounting mechanism 3;

[0032] like Figure 1-6As shown, the scratch component 4 of this embodiment can be used to conveniently clean the inner wall of the casing 102 during use; specifically, the scratch component 4 includes a connecting rod 401 and a scraper 402; five connecting rods 401 are evenly fixed on the circumferential surface of the rotating shaft of the screw conveyor 202; the scraper 402 is fixedly connected to one end of the connecting rod 401 away from the screw conveyor 202, and the end of the scraper 402 is in contact with the inner wall of the casing 102; wherein, there is an overlapping portion between two adjacent scrapers 402. The utility model is provided with a scraping component 4. When it is necessary to stir, convey and extrude the rubber raw materials, first, a proper amount of rubber raw materials is added into the stirring barrel 103, so that the rubber raw materials are stirred in the stirring barrel 103, and the stirred rubber raw materials enter the casing 102. Subsequently, the extrusion motor 201 is started to rotate the output shaft of the extrusion motor 201, so that the screw conveyor 202 is rotated, so that the screw conveyor 202 conveys and extrude the stirred rubber raw materials, and when the screw conveyor 202 rotates, the scraper 402 is rotated through the connecting rod 401, so that the scraper 402 scrapes the inner wall of the casing 102, and the rubber raw materials conveyed by the screw conveyor 202 are extruded from the discharge port of the casing 102. The utility model can clean the inner wall of the casing 102 during the conveying and extrusion of the rubber raw materials, which is beneficial to improving the use effect of the utility model.

[0033] Specifically, the scraper 402 is in a spiral structure, and the cross section of the scraper 402 is in an isosceles triangle structure, and the tip of the scraper 402 is in contact with the inner wall of the housing 102. The utility model facilitates cleaning the inner wall of the housing 102 by setting the scraper 402 in a spiral structure, setting the cross section of the scraper 402 in an isosceles triangle structure, and setting the tip of the scraper 402 in contact with the inner wall of the housing 102.

[0034] Furthermore, the mounting mechanism 3 includes a fixed component 5 and a sliding component 6 ; wherein the sliding component 6 is arranged on the fixed component 5 .

[0035] Furthermore, the fixing assembly 5 includes a fixing rod 501, a fixing block 502, a slot 503, an insert block 504, a limiting slot 505, a limiting block 506 and a fixing slot 507; the fixing rod 501 is fixedly connected to the output end of the extrusion motor 201; the fixing block 502 is fixedly connected to the end of the fixing rod 501 away from the extrusion motor 201; a slot 503 is provided on the side of the fixing block 502 away from the fixing rod 501; the insert block 504 is inserted into the slot 503, The end of the insert block 504 is fixedly connected to the rotating shaft of the screw conveyor 202; wherein the size of the insert block 504 is smaller than the diameter of the rotating shaft of the screw conveyor 202; a plurality of limit grooves 505 are evenly arranged in the slot 503; the limit block 506 is slidably arranged in the limit groove 505, and both ends of the limit block 506 extend to the outside through the limit groove 505; a fixing groove 507 is arranged on the insert block 504; wherein the limit block 506 is snap-fitted with the fixing groove 507. The utility model provides a fixing rod 501, a fixing block 502, a slot 503, an insert block 504, a limiting groove 505, a limiting block 506 and a fixing groove 507, and utilizes the plug-in cooperation between the insert block 504 and the slot 503, the sliding cooperation between the limiting block 506 and the limiting groove 505, and the snap-fit ​​cooperation between the limiting block 506 and the fixing groove 507 to enable the screw conveyor 202 to be disassembled, thereby facilitating the cleaning or replacement of the screw conveyor 202. The size of the insert block 504 is set to be smaller than the diameter of the rotating shaft of the screw conveyor 202, so as to facilitate the disassembly of the screw conveyor 202.

[0036] It is worth noting that the limit block 506 includes a wedge block A5061, a transmission block 5062 and a wedge block B5063. The wedge block A5061 and the wedge block B5063 are both arc-shaped structures, and the arc surfaces of the wedge block A5061 and the wedge block B5063 are in contact with the inner wall of the limit groove 505; the fixed groove 507 is a square groove, and the cross-section of the fixed groove 507 is an arc-shaped structure, and the arc surface of the wedge block A5061 is in contact with the inner wall of the fixed groove 507. The utility model arranges wedge block A5061 and wedge block B5063 into arc structures, arranges the arc surfaces of wedge block A5061 and wedge block B5063 to contact the inner wall of limit groove 505, arranges fixing groove 507 into a square groove, arranges the cross section of fixing groove 507 into an arc structure, arranges the arc surface of wedge block A5061 to contact the inner wall of fixing groove 507, so as to facilitate the position of fixing plug block 504 in slot 503 and facilitate the disengagement of plug block 504 from slot 503.

[0037] It is worth mentioning that the sliding assembly 6 includes a sliding frame 601 and a spring 602; the sliding frame 601 is sleeved on the fixed rod 501; wherein the sliding frame 601 and the fixed block 502 are slidably matched; wherein the inner wall of the sliding frame 601 contacts the end of the wedge block B5063; the spring 602 is arranged in the sliding frame 601, the spring 602 is sleeved on the fixed rod 501, and one end of the spring 602 is fixedly connected to the fixed block 502, and the other end is fixedly connected to the inner wall of the sliding frame 601; the end of the plug block 504 contacts the inner wall of the slot 503 When the inner wall of the sliding frame 601 contacts the end of the wedge block B5063, the arcuate surface of the wedge block A5061 contacts the inner wall of the limiting groove 505, and the arcuate surface of the wedge block A5061 contacts the inner wall of the fixing groove 507; when the arcuate surface of the wedge block A5061 contacts the side of the plug block 504, the arcuate surface of the wedge block B5063 contacts the other inner wall of the limiting groove 505, and the arcuate surface of the wedge block B5063 can contact the end of the sliding frame 601. The utility model sets a sliding frame 601 and a spring 602, utilizes the sliding cooperation between the sliding frame 601 and the fixed block 502 and the elastic action of the spring 602, and sets the inner wall of the sliding frame 601 to contact the end of the wedge block B5063, so as to facilitate squeezing the inclined surface of the wedge block B5063 by the end of the sliding frame 601, so that the arc surface of the wedge block A5061 contacts the inner wall of the fixed groove 507, thereby fixing the position of the screw conveyor 202, thereby improving the practicality of the utility model.

[0038] Working principle: When the device provided by the utility model is needed to stir, convey and extrude the rubber raw materials, first, add an appropriate amount of rubber raw materials into the stirring barrel 103, stir the rubber raw materials in the stirring barrel 103, and allow the stirred rubber raw materials to enter the housing 102. Then, start the extrusion motor 201, rotate the output shaft of the extrusion motor 201, rotate the screw conveyor 202, and allow the screw conveyor 202 to convey and extrude the stirred rubber raw materials. When the screw conveyor 202 rotates, the scraper 402 rotates through the connecting rod 401, so that the scraper 402 scrapes the inner wall of the housing 102, and the rubber raw materials conveyed by the screw conveyor 202 are extruded from the discharge port of the housing 102.

[0039] When it is necessary to disassemble and clean the screw conveyor 202, the cover 104 is opened through the buckle on the cover 104, and then the sliding frame 601 is moved to slide on the fixed block 502, so that the spring 602 is stretched by force until the inner wall of the sliding frame 601 is no longer in contact with the end of the wedge block B5063. At this time, the screw conveyor 202 is moved, and the inner wall of the fixed groove 507 will squeeze the arc surface of the wedge block A5061, so that the limit block 506 slides in the limit groove 505, and the plug block 504 slides in the slot 503 until the arc surface of the wedge block A5061 contacts the side of the plug block 504. At this time, the limit block 506 no longer slides in the limit groove 505 until the plug block 504 is separated from the insertion in the slot 503. At this time, the disassembly of the screw conveyor 202 is completed, and then the screw conveyor 202 can be taken out of the housing 102;

[0040] When it is necessary to install the screw conveyor 202, the screw conveyor 202 is placed in the casing 102, and the screw conveyor 202 is passed through the casing 102, so that the plug block 504 is inserted into the slot 503, and the end of the plug block 504 contacts the inner wall of the slot 503. At this time, the sliding frame 601 is released, and the spring 602 is no longer subjected to force and begins to shrink, so that the sliding frame 601 slides in the opposite direction on the fixed block 502, so that the end of the sliding frame 601 squeezes the arc surface of the wedge block B5063, so that the limit block 506 slides in the opposite direction in the limit groove 505 until the arc surface of the wedge block A5061 contacts the inner wall of the fixed groove 507. At this time, the inner wall of the sliding frame 601 contacts the end of the wedge block B5063, and the position of the limit block 506 in the limit groove 505 is fixed until the spring 602 returns to its original shape. At this time, the installation of the screw conveyor 202 is completed.

[0041] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A raw material extruder for rubber product processing, characterized in that: include: Extruder body (1); The extruder body (1) comprises a frame (101), a casing (102), a stirring barrel (103) and a cover (104); the casing (102) is fixed on the frame (101); the stirring barrel (103) is fixed on the casing (102), and the output end of the stirring barrel (103) is connected to the casing (102); the cover (104) is hingedly connected to one side of the casing (102) through a hinge, and the cover (104) is connected to the casing (102) through a buckle; An extrusion assembly (2) is arranged on the frame (101); The extrusion assembly (2) comprises an extrusion motor (201) and a screw conveyor (202); the extrusion motor (201) is connected to a fixing plate of a frame (101) via bolts; the screw conveyor (202) is arranged in the casing (102), and an end of the screw conveyor (202) passes through the casing (102) and is connected to an output end of the extrusion motor (201) via a mounting mechanism (3); A scraping assembly (4) is arranged on the screw conveyor (202); The scraping assembly (4) comprises a connecting rod (401) and a scraper (402); a plurality of the connecting rods (401) are evenly fixed on the circumferential surface of the rotating shaft of the screw conveyor (202); the scraper (402) is fixedly connected to one end of the connecting rod (401) away from the screw conveyor (202), and the end of the scraper (402) is in contact with the inner wall of the casing (102); There is an overlapping portion between two adjacent scrapers (402).

2. The raw material extruder for rubber product processing according to claim 1, characterized in that: The scraper (402) has a spiral structure, and a cross section of the scraper (402) has an isosceles triangle structure, and a tip of the scraper (402) contacts the inner wall of the casing (102).

3. The raw material extruder for rubber product processing according to claim 1, characterized in that: The mounting mechanism (3) comprises a fixing component (5) and a sliding component (6); Wherein, the sliding component (6) is arranged on the fixing component (5).

4. The raw material extruder for rubber product processing according to claim 3, characterized in that: The fixing assembly (5) comprises: A fixed rod (501) fixedly connected to an output end of the extrusion motor (201); A fixed block (502) fixedly connected to an end of the fixed rod (501) away from the extrusion motor (201); The fixing block (502) is provided with a slot (503) on a side away from the fixing rod (501); An insert block (504) is inserted into the slot (503), and an end of the insert block (504) is fixedly connected to the rotating shaft of the screw conveyor (202); Wherein, the size of the insert block (504) is smaller than the diameter of the rotating shaft of the screw conveyor (202); A plurality of limiting grooves (505) are evenly arranged in the slot (503); A limit block (506) is slidably disposed in the limit slot (505), and both ends of the limit block (506) pass through the limit slot (505) and extend to the outside; The insert block (504) is provided with a fixing groove (507); Wherein, the limiting block (506) is snap-fitted with the fixing groove (507).

5. The raw material extruder for rubber product processing according to claim 4, characterized in that: The limiting block (506) comprises a wedge block A (5061), a transmission block (5062) and a wedge block B (5063); the wedge block A (5061) and the wedge block B (5063) are both arc-shaped structures, and the arc surfaces of the wedge block A (5061) and the wedge block B (5063) are in contact with the inner wall of the limiting groove (505).

6. The raw material extruder for rubber product processing according to claim 5, characterized in that: The fixing groove (507) is a square groove, and the cross section of the fixing groove (507) is an arc-shaped structure, and the arc-shaped surface of the wedge block A (5061) contacts the inner wall of the fixing groove (507).

7. The raw material extruder for rubber product processing according to claim 5, characterized in that: The sliding assembly (6) comprises: A sliding frame (601) is sleeved on the fixing rod (501); Wherein, the sliding frame (601) and the fixed block (502) are slidably matched; Wherein, the inner wall of the sliding frame (601) contacts the end of the wedge block B (5063); A spring (602) is arranged in the sliding frame (601). The spring (602) is sleeved on the fixing rod (501), and one end of the spring (602) is fixedly connected to the fixing block (502), and the other end is fixedly connected to the inner wall of the sliding frame (601).

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