Scraping device of rubber production reaction kettle
By designing a scraping device in the rubber production reactor and using a lifting cylinder and a steel cable system to adjust the angle of the stirring scraper, the problem of rubber sticking to the inner wall of the reactor was solved, and the cleaning efficiency and stirring effect were improved.
Patent Information
- Application Number
- CN202422928968.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-29
AI Technical Summary
During the rubber production process, rubber sticking to the inner wall of the reactor makes cleaning difficult and wastes solvent, affecting stirring efficiency.
A scraping device for a rubber production reactor is designed. The stirring tube is raised and lowered by a lifting cylinder, and the steel cable pulls the adjusting rod to change the inclination angle of the stirring scraper. The curved stirring scraper is used to scrape the rubber on the inner wall of the reactor.
The rubber on the inner wall of the reactor can be scraped off easily and efficiently, which reduces cleaning time and solvent usage and improves stirring efficiency.
Smart Images

Figure CN223430323U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of scraping materials, and in particular relates to a scraping device for a rubber production reactor. Background Art
[0002] The reactor plays a crucial role in the rubber production process. It is a key piece of equipment in the rubber synthesis process, responsible for polymerizing rubber monomers to produce high-molecular-weight rubber. During the reaction in the reactor, rubber can form on the sidewalls. This phenomenon is typically treated centrally after a period of production for packaging. The increased thickness of the rubber on the sidewalls affects mixing efficiency, but cleaning is cumbersome. Solvents are typically added for cleaning and then manually scraped off. This process takes a long time, wastes solvent, and results in higher sidewalls. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a scraping device for a rubber production reactor, which has a simple structure, is convenient and practical, and drives the stirring tube to rise and fall through the lifting cylinder, so that the steel cable pulls the adjusting rod to change the inclination angle of the stirring scraper, thereby achieving the purpose of scraping the rubber on the inner wall of the reactor.
[0004] The agitator is equipped with a plurality of control plates, a bottom plate, a main drive plate, a main drive plate, a stirring plate, a stirring plate, a plurality of adjusting devices and a stirring plate.
[0005] Preferably, the adjusting device includes a stirring rod, an adjusting rod, an angle rod, a connecting tube, a fixed push plate, a spring, a push plate and a steel cable, the two ends of the connecting tube are respectively connected to the stirring rod and the stirring tube, the angle rod is connected to the stirring rod and is hinged to the stirring scraper, one end of the adjusting rod is hinged to the stirring scraper and the other end passes through the stirring rod and extends into the connecting tube, the push plate is connected to the adjusting rod, one end of the spring is sleeved on the adjusting rod and cooperates with the push plate, the other end of the spring cooperates with the fixed push plate, the fixed push plate is connected to the inner wall of the connecting tube, one end of the steel cable passes through the fixed push plate and is connected to the adjusting rod and the other end is connected to the stirring shaft.
[0006] Preferably, V-shaped guide wheels are symmetrically installed in the connecting pipe.
[0007] Preferably, a copper strip is welded on one side of the stirring scraper.
[0008] Preferably, a plurality of linear bearings are provided between the stirring shaft and the stirring tube.
[0009] Beneficial effects:
[0010] (1) The utility model is a scraping device for a rubber production reactor, which has a simple structure, is convenient and practical. The stirring tube is driven up and down by a lifting cylinder, so that the steel cable pulls the adjusting rod to change the inclination angle of the stirring scraper, thereby achieving the purpose of scraping the rubber on the inner wall of the reactor.
[0011] (2) The utility model provides a scraper device for a rubber production reactor, which ensures the position between the stirring shaft and the stirring tube by means of a linear bearing, so that when the stirring shaft drives the stirring tube to rotate, the adjusting device and the stirring scraper will not swing. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the scraping device of the reactor;
[0013] Figure 2 It is a structural schematic diagram of the stirring and scraping device;
[0014] Figure 3 It is a structural diagram of the regulating device;
[0015] 1-reactor, 2-stirring and scraping device, 21-stirring motor, 22-stirring shaft, 23-lifting cylinder, 24-lifting plate, 25-bearing seat, 26-auxiliary transmission circular plate, 27-transmission rod, 28-main transmission circular plate, 29-stirring tube, 210-adjusting device, 211-stirring scraper, 212-arc-shaped stirring scraper, 213-stirring rod, 214-adjusting rod, 215-angle rod, 216-connecting tube, 217-fixed push plate, 218-spring, 219-push plate, 220-steel cable, 221-V-type guide wheel. DETAILED DESCRIPTION
[0016] The embodiments of the present invention are further described below with reference to the accompanying drawings.
[0017] Example 1
[0018] like Figures 1 to 3As shown; A rubber production reactor scraper device includes a reactor 1 and a stirring scraper device 2, the stirring scraper device 2 is arranged in the reactor 1, the stirring scraper device 2 includes a stirring motor 21, a stirring shaft 22, a lifting cylinder 23, a lifting plate 24, a bearing seat 25, a secondary transmission circular plate 26, a transmission rod 27, a main transmission circular plate 28, a stirring tube 29, an adjusting device 210 and an arc-shaped stirring scraper 212, the lifting cylinder 23 is installed on the top of the reactor 1 and the piston rod passes through the top wall of the reactor 1 and is connected to the lifting plate 24, the bearing seat 25 is sleeved On the stirring tube 29 and connected to the lifting plate 24, one end of the stirring shaft 22 is connected to the power rod of the stirring motor 21 and the other end passes through the top of the reactor 1 and extends into the stirring tube 29. The two ends of the stirring tube 29 are respectively connected to the auxiliary transmission circular plate 26 and the arc-shaped stirring scraper 212. A plurality of transmission rods 27 are connected to the auxiliary transmission circular plate 26. The main transmission circular plate 28 is connected to the stirring shaft 22 and is located above the auxiliary transmission circular plate 26. A plurality of holes for the transmission rods 27 to pass through are opened on the main transmission circular plate 28. A plurality of the adjusting devices 210 are connected to the stirring shaft 22 and are located above the auxiliary transmission circular plate 26. The stirring scraper 211 is connected to the pipe 29 at one end; the adjusting device 210 includes a stirring rod 213, an adjusting rod 214, an angle rod 215, a connecting pipe 216, a fixed push plate 217, a spring 218, a push plate 219 and a steel cable 220. The two ends of the connecting pipe 216 are respectively connected to the stirring rod 213 and the stirring pipe 29. The angle rod 215 is connected to the stirring rod 213 and is hinged to the stirring scraper 211. One end of the adjusting rod 214 is hinged to the stirring scraper 211 and the other end passes through the stirring rod 213 and extends into the connecting pipe 216. The plate 219 is connected to the adjusting rod 214, one end of the spring 218 is sleeved on the adjusting rod 214 and cooperates with the push plate 219, the other end of the spring 218 cooperates with the fixed push plate 217, the fixed push plate 217 is connected to the inner wall of the connecting tube 216, one end of the steel cable 220 passes through the fixed push plate 217 and is connected to the adjusting rod 214 and the other end is connected to the stirring shaft 22; a V-shaped guide wheel 221 is symmetrically installed in the connecting tube 216; a copper bar is welded on one side of the stirring scraper 211; and a number of linear bearings are arranged between the stirring shaft 22 and the stirring tube 29.
[0019] The stirring motor 21 drives the stirring shaft 22 to rotate, the stirring shaft 22 drives the main transmission circular plate 28, the main transmission circular plate 28 drives the transmission rod 27 and the auxiliary transmission circular plate 26, the auxiliary transmission circular plate 26 stirring tube 29 rotates, and then the stirring tube 29 drives the adjusting device 210, the stirring scraper 211 and the arc stirring scraper 212 to stir the material; when the material on the inner wall of the reactor 1 is scraped off, the lifting cylinder 23 drives the lifting plate 24 to descend, and the lifting plate 24 drives the bearing seat 25 and the stirring tube 29 to descend. When the stirring tube 29 descends, one end of the steel cable 220 is pulled by the stirring shaft 22, and the steel cable 220 pulls the adjusting rod 214. The adjusting rod 214 pulls the stirring scraper 211 to change its angle, so that one side of the stirring scraper 211 approaches the inner wall of the reactor 1 until it contacts, and then When the rear stirring scraper 211 rotates around the stirring shaft 22, the material on the inner wall of the reactor 1 is scraped off; the stirring shaft 22 is pulled in the direction of the steel cable 220 by the V-shaped guide wheel 221, and the V-shaped guide wheel 221 is symmetrically arranged along the direction of the steel cable 220. The relative position between the stirring shaft 22 and the stirring tube 29 is guaranteed by the linear bearing, so as to avoid excessive shaking of the stirring tube 29 when stirring near one end of the arc-shaped stirring scraper 212; after the lifting cylinder 23 drives the lifting plate 24 to rise and reset, the spring 218 pushes the push plate 219, and the push plate 219 drives the adjusting rod 214, and the adjusting rod 214 drives one end of the stirring scraper 211 to reset; a copper bar is welded on one side of the stirring scraper 211, so that the noise of scraping can be reduced when the copper bar contacts the inner wall of the reactor 1 to scrape the material.
[0020] While the specific embodiments of the present invention have been described above in detail, these are merely exemplary and the present invention is not limited thereto. For those skilled in the art, any equivalent modifications and substitutions to the present invention are also within the scope of the present invention. Therefore, any equivalent changes and modifications made without departing from the spirit and scope of the present invention are encompassed within the scope of the present invention.
Claims
1. A scraping device for a rubber production reactor, characterized by: The invention comprises a reactor (1) and a stirring and scraping device (2), wherein the stirring and scraping device (2) is arranged in the reactor (1), and the stirring and scraping device (2) comprises a stirring motor (21), a stirring shaft (22), a lifting oil cylinder (23), a lifting plate (24), a bearing seat (25), a secondary transmission circular plate (26), a transmission rod (27), a main transmission circular plate (28), a stirring tube (29), an adjusting device (210) and an arc-shaped stirring scraper (212), wherein the lifting oil cylinder (23) is installed on the top of the reactor (1) and the piston rod passes through the top wall of the reactor (1) and is connected to the lifting plate (24), and the bearing seat (25) is sleeved on the stirring tube (29) and is connected to the lifting plate (212). 4), one end of the stirring shaft (22) is connected to the power rod of the stirring motor (21) and the other end passes through the top of the reactor (1) and extends into the stirring tube (29), the two ends of the stirring tube (29) are respectively connected to the auxiliary transmission circular plate (26) and the arc-shaped stirring scraper (212), the auxiliary transmission circular plate (26) is connected to a plurality of transmission rods (27), the main transmission circular plate (28) is connected to the stirring shaft (22) and is located above the auxiliary transmission circular plate (26), the main transmission circular plate (28) is provided with a plurality of holes for the transmission rods (27) to pass through, and a plurality of the regulating devices (210) are connected to the stirring tube (29) and one end is connected to the stirring scraper (211).
2. A scraping device for a rubber production reactor as claimed in claim 1, characterized in that: The regulating device (210) comprises a stirring rod (213), an regulating rod (214), an angle rod (215), a connecting pipe (216), a fixed push plate (217), a spring (218), a push plate (219) and a steel cable (220). The two ends of the connecting pipe (216) are respectively connected to the stirring rod (213) and the stirring pipe (29). The angle rod (215) is connected to the stirring rod (213) and is hinged to the stirring scraper (211). One end of the regulating rod (214) is hinged to the stirring scraper (211). The other end passes through the stirring rod (213) and extends into the connecting tube (216). The push plate (219) is connected to the adjusting rod (214). One end of the spring (218) is sleeved on the adjusting rod (214) and cooperates with the push plate (219). The other end of the spring (218) cooperates with the fixed push plate (217). The fixed push plate (217) is connected to the inner wall of the connecting tube (216). One end of the steel cable (220) passes through the fixed push plate (217) and is connected to the adjusting rod (214), and the other end is connected to the stirring shaft (22).
3. A scraping device for a rubber production reactor as claimed in claim 2, characterized in that: V-shaped guide wheels (221) are symmetrically installed in the connecting pipe (216).
4. A scraping device for a rubber production reactor as claimed in claim 3, characterized in that: A copper strip is welded to one side of the stirring scraper (211).
5. A scraping device for a rubber production reactor as claimed in claim 4, characterized in that: A plurality of linear bearings are provided between the stirring shaft (22) and the stirring tube (29).