Mixing device of open mill
By introducing a material turning mechanism into the open mill, the scraper distance can be adjusted by the synchronous movement of the screw and the slider, which solves the problem of the scraper distance being difficult to adjust, achieving a more efficient material turning and mixing effect and improving the rubber processing efficiency.
Patent Information
- Application Number
- CN202520130442.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The distance between scrapers in existing open mills is not easy to adjust, which affects the material turning effect and mixing efficiency.
A material turning mechanism was designed, including a screw and a slider. The screw is driven to rotate by a servo motor, so that the scraper seat moves synchronously to the inside or outside to adjust the scraper distance. It is also equipped with a scraper to prevent damage to the roller.
It improves the material turning effect and mixing efficiency, ensures uniform material output, reduces rubber jamming, and improves rubber processing efficiency.
Smart Images

Figure CN223685785U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of open mill, especially to a kind of open mill mixing device. BACKGROUND
[0002] Open mill is a kind of mechanical equipment for rubber and plastic material mixing, plasticizing, calendering and other processes, its main working principle is to realize the uniform mixing and plasticizing of material by the extrusion and shearing of two relatively rotating rollers. Open mill is usually composed of rack, roller, transmission device, heating and cooling system, lubricating system, safety device, etc., wherein the roller is the core component, generally made of high-hardness alloy steel, and treated specially to improve wear resistance and corrosion resistance.
[0003] Through search, the patent with Chinese patent application number 202322935572.6 discloses a kind of open mill mixing device. The technical solution includes rectangular block, two top rods of left-right symmetry are inserted in the lower end face of rectangular block, the upper end of two top rods is inserted into rectangular block, the lower end face of each top rod is fixed with one scraper, the lower end of two scrapers is arc-shaped with high outside, and two scrapers are placed obliquely, two scrapers placed obliquely form a structure with V-shaped cross section, the front port of V-shaped structure is larger than the rear port, top rod drives scraper to move up and down on rectangular block and can be fixed after moving downward, top rod and scraper can be reset upward after fixed release. The present scheme uses scraper to realize the mixing of material, convenient to use and operate, workers only need to pull handle at one end with simple operation, solve the problems of high labor intensity and low working efficiency of workers;And the arc-shaped slope of scraper is made of hard wood structure, scraper is not easy to damage, the surface contact of rotating roller prevents scratching the surface of rotating roller, solves the problems of production cost and enterprise benefit;
[0004] Although the above-mentioned patent can realize the turning of material on roller by scraper, but the distance between the relative scrapers is not convenient to adjust during turning, which leads to poor turning effect and reduces the mixing efficiency.
[0005] Therefore, it is urgent to provide an open mill mixing device to solve the above-mentioned problems. UTILITY MODEL CONTENT
[0006] The utility model aims at solving the problem that the distance between the relative scrapers is not convenient to adjust during turning in prior art, which affects the turning effect, and provides an open mill mixing device.
[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0008] A kind of open mill mixing device, including machine body, the material receiving tray is equipped on the machine body below the roller, the top of the machine body is symmetrically installed with vertical plate, the inside of the vertical plate is located above the two rollers on the machine body and is equipped with discharging assembly, one side of the discharging assembly is equipped with turnover mechanism, the turnover mechanism includes the screw rod with two threads of opposite thread direction and the slider symmetrically installed on the screw rod, the bottom of the slider is installed with first connecting rod, the bottom end of the first connecting rod is installed with scraping seat, the bottom of the scraping seat is arc-shaped, the both ends of the screw rod are installed with end seat, and a servo motor for driving the screw rod rotation is arranged in one of the end seat, the outside of the end seat is equipped with second mounting plate, and the inside surface of the scraping seat is installed with scraper.
[0009] As a preferred technical solution of the application, the scraping seat is installed with a cover on the side facing the inside.
[0010] As a preferred technical solution of the application, the screw rod is provided below the guide rod penetrating the slider, and the both ends of the guide rod are connected with the second mounting plate.
[0011] As a preferred technical solution of the application, the discharging assembly includes a discharging box, the both ends of the discharging box are connected with the vertical plate through connecting frame, the both ends of the bottom discharge port of the discharging box are installed with end plate through bolt, the inside of the end plate is rotatably installed with discharge roller, the outside of the end plate is provided with motor, and the output end of the motor is connected with the discharge roller.
[0012] As a preferred technical solution of the application, the discharge port at the bottom of the discharging box is provided with a guide plate on one side of the discharge roller, one side of the guide plate facing the discharge roller is arc-shaped, and the discharge port at the bottom of the discharging box is provided with a scraper on the other side of the discharge roller, and the scraper is connected with the low end of the discharging box through second connecting rod.
[0013] As a preferred technical solution of the application, the bottom of the vertical plate is connected with the top of the machine body through the first mounting plate.
[0014] As a preferred technical solution of the application, the bottom of the machine body is installed with base at the four corners.
[0015] Compared with the prior art, the open mill mixing device provided by the application has the following beneficial effects:
[0016] 1. The mixing device of the open mill, by setting the turnover mechanism, realizes that the turnover mechanism can move to the inside or outside synchronously under the driving of the motor, adjusts according to the coverage range of the material on the roller in use, improves the turnover effect, improves the mixing efficiency, solves the problem that the distance between the relative scrapers is inconvenient to adjust in the prior art, and affects the turnover effect;
[0017] 2. The mixing device of the open mill, by setting the discharging assembly, realizes that the rubber processing raw material that needs to be mixed is introduced between the two rollers for mixing after preliminary mixing by the discharging assembly, speeds up the mixing efficiency of the open mill, effectively improves the processing efficiency of the rubber, and also can make the material discharge more uniformly, reduces the rubber carding phenomenon in the roller, solves the problem that the uniformity of the material discharge belt is poor, and the large particle material is easy to be stuck between the two rollers in the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the overall structure schematic view of the utility model;
[0019] Figure 2 It is the discharging assembly structure schematic view of the utility model;
[0020] Figure 3 It is the scraper installation structure schematic view of the utility model;
[0021] Figure 4 It is the turnover mechanism structure schematic view of the utility model.
[0022] In the drawing:
[0023] 1, machine body;2, end seat;3, first mounting plate;4, vertical plate;5, discharging box;6, screw;7, sliding block;8, first connecting rod;9, scraper seat;10, base;11, roller;12, receiving disc;13, connecting frame;14, motor;15, end plate;16, discharging roller;17, guide plate;18, second connecting rod;19, scraper;20, shield;21, guide rod;22, second mounting plate;23, scraper. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model. EMBODIMENT
[0025] Refer toFigures 1-4 The utility model provides a mixing device of open mill, including body 1, the top symmetry of body 1 is installed with vertical plate 4, the inside of vertical plate 4 is located above two roller cylinders 11 on body 1 and is equipped with the feeding assembly, and the rubber processing raw materials needing mixing are guided into between two roller cylinders 11 to carry out mixing after preliminary mixing through the feeding assembly, and the mixing efficiency of open mill can be accelerated through the feeding assembly, and the processing efficiency of rubber is effectively improved, the bottom of body 1 is equipped with the receiving tray 12 below roller cylinder 11, and the broken material during mixing can be received through the receiving tray 12, and the machine is convenient, the bottom of body 1 is equipped with the base 10 at four corner positions, and body 1 is supported through the base 10, the bottom of vertical plate 4 is connected with the top of body 1 through the first mounting plate 3, and the dismounting and installation are convenient,
[0026] One side of feeding assembly is equipped with turnover mechanism, and the rubber wrapped on roller cylinder 11 is turned over through turnover mechanism, relative to traditional manual turnover, the turnover efficiency can be improved with the help of turnover mechanism, and it is more time-saving and labor-saving, and it is more safe during operation, turnover mechanism includes screw 6 and the sliding block 7 symmetrically installed on screw 6, the bottom of sliding block 7 is equipped with first connecting rod 8, the bottom of first connecting rod 8 is equipped with scraping seat 9, the bottom of scraping seat 9 is arc-shaped, can be attached to the upper surface of roller cylinder 11 during use, and extrudes the material on roller cylinder 11 to the middle part of roller cylinder 11, which is convenient for turnover, and the efficiency of mixing can be improved during use, two threads with opposite rotation directions are arranged on screw 6, which facilitates the synchronous movement of the sliding block 7 on both sides to the inside or outside when screw 6 rotates, and end seat 2 is arranged at both ends of screw 6, one of end seat 2 is equipped with servo motor for driving screw 6 to rotate, and the outside of end seat 2 is equipped with second mounting plate 22, which is connected with vertical plate 4 through second mounting plate 22, the inner side of scraping seat 9 is equipped with baffle 20, which is convenient for gathering the material to the middle, and the turnover is more convenient, the inner side of scraping seat 9 is equipped with scraper 23, which is a soft leather scraper to prevent damage to the surface of roller cylinder 11, and guide rod 21 is arranged below screw 6 and penetrates sliding block 7, and the both ends of guide rod 21 are connected with second mounting plate 22, which facilitates the stability of sliding block 7 during movement.
[0027] Refer to Figure 2 And Figure 3Further, the blanking assembly comprises a blanking box 5, both ends of the blanking box 5 are connected with the vertical plate 4 through the connecting frame 13, both ends of the bottom discharge port of the blanking box 5 are provided with end plates 15 through bolt installation, the inner side of the end plate 15 is rotatably provided with a discharge roller 16, the outer side of the end plate 15 is provided with a motor 14, the output end of the motor 14 is connected with the discharge roller 16, so as to conveniently drive the discharge roller 16 to rotate, and the material in the blanking box 5 is pre-mixed, the discharge port at the bottom of the blanking box 5 is provided with a guide plate 17 on one side of the discharge roller 16, and the guide plate 17 is matched with the discharge roller 16 during the rotation of the discharge roller 16, so as to conveniently guide the material out, and the side of the guide plate 17 facing the discharge roller 16 is an arc surface; the discharge port at the bottom of the blanking box 5 is provided with a scraper 19 on the other side of the discharge roller 16, the scraper 19 is connected with the lower end of the blanking box 5 through the second connecting rod 18, and the scraper 19 is in contact with the discharge roller 16, so as to scrape off the material adhered on the discharge roller 16, reduce the adhesion of the material on the discharge roller 16, and be more convenient to use.
[0028] Specifically, during the working / using of the mixing device of the open mill, the material is guided into the blanking box 5, the material in the blanking box 5 is pre-mixed by the discharge roller 16 at the bottom of the blanking box 5, and then is guided into the roller cylinder 11, and is mixed by the roller cylinder 11, the material adhered on the discharge roller 16 is scraped off by the scraper 19 during the rotation of the discharge roller 16, the scraper seats 9 are driven to move towards the inner side of the roller cylinder 11 by the turning mechanism during the turning of the material, the material wrapped on the roller cylinder 11 is turned, and then the material is extruded and sheared by the two oppositely rotating roller cylinders 11, so as to uniformly mix and plasticize the material.
[0029] The above merely describes the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the application concept of the present application can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An open mill mixing device comprising a machine body (1), a receiving pan (12) being provided on the machine body (1) below a roll (11), characterized in that, The top of the machine body (1) is symmetrically provided with a vertical plate (4), the inside of the vertical plate (4) is provided with a discharging assembly above two rollers (11) of the machine body (1), one side of the discharging assembly is provided with a material turning mechanism, the material turning mechanism comprises a screw rod (6) provided with two threads with opposite screw directions and a sliding block (7) symmetrically installed on the screw rod (6), the bottom of the sliding block (7) is provided with a first connecting rod (8), the bottom end of the first connecting rod (8) is provided with a material scraping seat (9), the bottom of the material scraping seat (9) is arc-shaped, both ends of the screw rod (6) are provided with end seats (2), one of the end seats (2) is provided with a servo motor for driving the screw rod (6) to rotate, the outer side of the end seat (2) is provided with a second mounting plate (22), the inner side of the material scraping seat (9) is provided with a scraper (23).
2. An open mill mixing device according to claim 1, wherein One side of the material scraping seat (9) facing the inner side is provided with a cover (20).
3. An open mill mixing device according to claim 1, wherein The screw rod (6) is provided below with a guide rod (21) penetrating through the sliding block (7), both ends of the guide rod (21) are connected with the second mounting plate (22).
4. An open mill mixing device according to claim 1, wherein The discharging assembly comprises a discharging box (5), both ends of the discharging box (5) are connected with the vertical plate (4) through connecting frames (13), both ends of the bottom discharge port of the discharging box (5) are provided with end plates (15) through bolts, the inner side of the end plate (15) is rotatably provided with a discharge roller (16), the outer side of the end plate (15) is provided with a motor (14), the output end of the motor (14) is connected with the discharge roller (16).
5. An open mill mixing device according to claim 4, wherein The discharge port of the bottom of the discharging box (5) is provided with a guide plate (17) on one side of the discharge roller (16), one side of the guide plate (17) facing the discharge roller (16) is arc-shaped, the discharge port of the bottom of the discharging box (5) is provided with a scraper (19) on the other side of the discharge roller (16), the scraper (19) is connected with the lower end of the discharging box (5) through a second connecting rod (18).
6. An open mill mixing device according to claim 1, wherein The bottom of the vertical plate (4) is connected with the top of the machine body (1) through a first mounting plate (3).
7. An open mill mixing device according to claim 1, wherein The bottom of the machine body (1) is provided with a base (10) at the four corners.
Citation Information
Patent Citations
Mixing device of open mill
CN221271698U