Rubber mixing machine for chlorinated polyethylene rubber production

Abstract

The utility model belongs to the technical field of chlorinated polyethylene rubber production equipment, and particularly relates to a chlorinated polyethylene rubber production rubber mixing mill which comprises two mounting seats distributed left and right, two compression rollers distributed front and back are rotatably connected between the two mounting seats, and the opposite sides of the two mounting seats are rotatably connected with rotating shafts located below the compression roller on the front side. A connecting strip is fixedly connected between the two rotating shafts, a positioning groove is formed in the upper end of the connecting strip, a positioning block matched with the positioning groove is inserted into the positioning groove, a U-shaped frame located on the outer side of the connecting strip is fixedly connected to the upper end of the positioning block, and a rubber tapping knife making contact with the outer wall of the front side pressing roller is installed at the upper end of the U-shaped frame; the lower side of the U-shaped frame penetrates through and is in threaded connection with a screw rod, and the upper end of the screw rod is rotationally connected with a pressing plate. According to the rubber tapping device, the number and the distance of the rubber tapping knives can be adjusted conveniently, and therefore the length of rubber material cutting sections can be controlled according to needs.

Description

Technical Field

[0001] The utility model belongs to the technical field of chlorinated polyethylene rubber production equipment, and particularly relates to a rubber mixing mill for producing chlorinated polyethylene rubber. Background Art

[0002] Chlorinated polyethylene rubber is an amorphous chloride obtained by the chlorine substitution reaction of polyethylene, and can also be regarded as a binary copolymer of ethylene, vinyl chloride and 1,2-dichloroethylene. When the chlorine content of chlorinated polyethylene is low, its properties are close to those of polyethylene, and when the chlorine content is high, its properties are close to those of polyvinyl chloride. As an elastomer, chlorinated polyethylene is non-crystalline, and the chlorine content is preferably 30-40%. During the production process of chlorinated polyethylene rubber, rubber mixing is required.

[0003] In the prior art, when mixing chlorinated polyethylene rubber, the rubber material needs to be placed in the gap between two pressure rollers, and the pressure rollers rotate to roll the rubber material into sheets. After the rubber mixing is completed, multiple cutting knives are required to cut the rubber material. However, since the spacing and number of multiple cutting knives are usually fixed, the length of the cut rubber material segments cannot be controlled as needed. Summary of the Invention

[0004] The purpose of the utility model is to provide a rubber mixing mill for producing chlorinated polyethylene rubber, which is convenient for adjusting the number and spacing of cutting knives, so that the length of the cut rubber material segments can be controlled as needed.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A rubber mixing mill for producing chlorinated polyethylene rubber, including two mounting seats distributed left and right, two pressure rollers distributed front and back are rotatably connected between the two mounting seats, and a rotating shaft located below the front pressure roller is rotatably connected to one side of each of the two mounting seats facing each other. A connecting bar is fixedly connected between the two rotating shafts. A positioning groove is opened at the upper end of the connecting bar, and a positioning block matching with the positioning groove is inserted into the positioning groove. The upper end of the positioning block is fixedly connected with a U-shaped frame located outside the connecting bar. A cutting knife in contact with the outer wall of the front pressure roller is installed at the upper end of the U-shaped frame. A screw rod penetrates through and is threadedly connected to the lower side of the U-shaped frame, and a pressing plate is rotatably connected to the upper end of the screw rod.

[0006] The interior of the left mounting seat is a cavity, and two connecting plates distributed front and back are fixedly connected to the interior of the left mounting seat. A worm is rotatably connected between the two connecting plates. The worm is driven by a first motor installed at the front end of the front connecting plate. The left end of the left rotating shaft is fixedly connected with a connecting rod extending into the interior of the left mounting seat, and a worm gear meshing with the worm is installed at the left end of the connecting rod.

[0007] To drive the two pressure rollers to rotate, as an optimization of the rubber mixing machine for producing chlorinated polyethylene rubber in the present utility model, two second motors distributed front and back are installed on the inner wall of the left mounting seat, and the output ends of the two second motors penetrate the inner wall of the left mounting seat and are respectively fixedly connected to the two pressure rollers.

[0008] To enhance the stability of the movement of the pressing plate, as an optimization of the rubber mixing machine for producing chlorinated polyethylene rubber in the present utility model, the pressing plate is slidably connected to the rear side of the inner wall of the U-shaped frame through a sliding groove.

[0009] To improve the anti-slip effect of the pressing plate, as an optimization of the rubber mixing machine for producing chlorinated polyethylene rubber in the present utility model, anti-slip lines are provided on the upper end of the pressing plate.

[0010] To limit the collection tray and collect the residues that fall during the working process through the collection tray, as an optimization of the rubber mixing machine for producing chlorinated polyethylene rubber in the present utility model, a horizontal plate is fixedly connected between the two mounting seats, a limiting groove is opened on the upper end of the horizontal plate, and a collection tray is placed inside the limiting groove.

[0011] To facilitate the rotation of the screw rod, as an optimization of the rubber mixing machine for producing chlorinated polyethylene rubber in the present utility model, a knob is fixedly connected to the lower end of the screw rod.

[0012] To install and fix the present utility model, thereby enhancing the stability during use, as an optimization of the rubber mixing machine for producing chlorinated polyethylene rubber in the present utility model, fixing frames are fixedly connected to the lower sides of the two mounting seats.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] When the present utility model is used, the positioning block is inserted into the positioning groove, then the cutting knife is moved to the specified position through measurement, and then the screw rod is rotated to make the pressing plate and the connecting strip press tightly, completing the installation of one cutting knife. In the same way, other cutting knives can be installed and fixed, and the distance between each cutting knife can be determined through measurement, and the number of cutting knives installed can be determined according to needs, so that the length of the rubber material segments can be controlled according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 Front elevation sectional structure diagram of the present utility model;

[0017] Figure 2 For the present utility model Figure 1 Enlarged structure diagram at position A in the present utility model;

[0018] Figure 3 Three-dimensional connection structure diagram at the connecting bar of the present utility model;

[0019] Figure 4 Three-dimensional connection structure diagram at the connecting plate of the present utility model;

[0020] Figure 5 Top view structure diagram of the pressure roller of the present utility model.

[0021] In the figure: 1, mounting seat; 2, pressure roller; 3, second motor; 4, rotating shaft; 5, connecting bar; 6, positioning groove; 7, positioning block; 8, U-shaped frame; 9, rubber cutting knife; 10, screw; 11, pressing plate; 12, connecting rod; 13, worm gear; 14, connecting plate; 15, worm; 16, first motor; 17, knob; 18, horizontal plate; 19, limiting groove; 20, collecting tray. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 to 5 , a chlorinated polyethylene rubber production rubber mixing machine, including two mounting seats 1 distributed left and right, two pressure rollers 2 distributed front and back are rotatably connected between the two mounting seats 1, and two rotating shafts 4 located below the front pressure roller 2 are rotatably connected to opposite sides of the two mounting seats 1. A connecting bar 5 is fixedly connected between the two rotating shafts 4. A positioning groove 6 is opened at the upper end of the connecting bar 5, and a positioning block 7 matching it is inserted into the positioning groove 6. The upper end of the positioning block 7 is fixedly connected with a U-shaped frame 8 located outside the connecting bar 5. A rubber cutting knife 9 in contact with the outer wall of the front pressure roller 2 is installed at the upper end of the U-shaped frame 8. The lower side of the U-shaped frame 8 penetrates and is threadedly connected with a screw 10, and the upper end of the screw 10 is rotatably connected with a pressing plate 11;

[0024] The interior of the left mounting seat 1 is a cavity. Inside the left mounting seat 1, two connecting plates 14 distributed front and back are fixedly connected. A worm 15 is rotatably connected between the two connecting plates 14. The worm 15 is driven by a first motor 16 installed at the front end of the front connecting plate 14. The left end of the left rotating shaft 4 is fixedly connected with a connecting rod 12 extending into the interior of the left mounting seat 1. A worm gear 13 meshing with the worm 15 is installed at the left end of the connecting rod 12.

[0025] In this embodiment: During use, the positioning block 7 is inserted into the positioning groove 6. Then, through measurement, the rubber tapping knife 9 and the U-shaped frame 8 are moved to the specified positions. Then, by rotating the screw 10, the pressing plate 11 is driven to move until the pressing plate 11 tightly presses against the connecting strip 5, thus completing the installation and fixation of one rubber tapping knife 9. Other rubber tapping knives 9 can be installed and fixed in the same way. The spacing between each rubber tapping knife 9 can be determined through measurement, and the number of rubber tapping knives 9 installed can be determined according to needs, so as to facilitate the adjustment of the number and spacing of the rubber tapping knives 9, and further control the length of the rubber segments according to needs.

[0026] After the rubber tapping knives 9 are installed, by rotating the two pressure rollers 2, the rubber can be extruded and kneaded. After the kneading is completed, the first motor 16 drives the worm 15 to rotate, thereby driving the worm gear 13 to rotate, and at the same time driving the connecting rod 12, the two rotating shafts 4, the connecting strip 5 and the multiple fixed rubber tapping knives 9 to rotate 90°, so that the multiple rubber tapping knives 9 can contact the front pressure roller 2, and further the rubber material can be cut.

[0027] As a technical optimization scheme of the present utility model, two second motors 3 are installed on the inner wall of the left mounting seat 1 and are distributed front and back. The output ends of the two second motors 3 penetrate the inner wall of the left mounting seat 1 and are respectively fixedly connected to the two pressure rollers 2.

[0028] In this embodiment: By arranging the two second motors 3, it is convenient to drive the two pressure rollers 2 to rotate.

[0029] As a technical optimization scheme of the present utility model, the pressing plate 11 is slidably connected to the rear side of the inner wall of the U-shaped frame 8 through a chute.

[0030] In this embodiment: By arranging the chute, the stability of the movement of the pressing plate 11 is enhanced.

[0031] As a technical optimization scheme of the present utility model, anti-slip lines are provided on the upper end of the pressing plate 11.

[0032] In this embodiment: By arranging the anti-slip lines, the anti-slip effect of the pressing plate 11 is improved.

[0033] As a technical optimization solution of the present utility model, a horizontal plate 18 is fixedly connected between two mounting seats 1. A limiting groove 19 is formed in the upper end of the horizontal plate 18, and a collecting tray 20 is placed inside the limiting groove 19.

[0034] In this embodiment: By providing the limiting groove 19, it is used to limit the collecting tray 20, and the collecting tray 20 can collect the residues dropped during the working process.

[0035] As a technical optimization solution of the present utility model, a knob 17 is fixedly connected to the lower end of the screw rod 10.

[0036] In this embodiment: By providing the knob 17, it is convenient to rotate the screw rod 10.

[0037] As a technical optimization solution of the present utility model, fixed frames are fixedly connected to the lower sides of the two mounting seats 1.

[0038] In this embodiment: By providing the two fixed frames, they are used to install and fix the present utility model, thereby enhancing the stability during use.

[0039] Working principle: During use, first make the positioning block 7 enter the inside of the positioning groove 6, then move the rubber cutting knife 9 and the U-shaped frame 8 to the specified position through measurement, and then rotate the screw rod 10 by turning the knob 17 to drive the pressing plate 11 to move until the pressing plate 11 is tightly pressed against the connecting strip 5, thereby completing the installation and fixation of one rubber cutting knife 9. The other rubber cutting knives 9 can be installed and fixed in the same way, and the spacing between each rubber cutting knife 9 can be determined through measurement, and the number of installed rubber cutting knives 9 can be determined according to needs, so as to facilitate the adjustment of the number and spacing of the rubber cutting knives 9, and further control the length of the cut rubber material segments according to needs;

[0040] After the rubber cutting knives 9 are installed, the two pressure rollers 2 are respectively driven by the two second motors 3 to rotate, so as to extrude and knead the rubber. After the kneading is completed, the first motor 16 drives the worm 15 to rotate, thereby driving the worm gear 13 to rotate, and at the same time driving the connecting rod 12, the two rotating shafts 4, the connecting strip 5 and the fixed multiple rubber cutting knives 9 to rotate 90°, so that the multiple rubber cutting knives 9 can contact the front pressure roller 2, and then cut the rubber material.

[0041] The above is only the preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A chlorinated polyethylene rubber production rubber mixing machine, comprising two mounting seats (1) distributed left and right, two pressure rollers (2) distributed front and back are rotatably connected between the two mounting seats (1), characterized in that: The two mounting seats (1) are rotatably connected to a rotating shaft (4) located below the front pressure roller (2) on one side opposite to the other, a connecting bar (5) is fixedly connected between the two rotating shafts (4), a positioning groove (6) is provided at the upper end of the connecting bar (5), a positioning block (7) matching the connecting bar is inserted into the interior of the positioning groove (6), a U-shaped frame (8) located outside the connecting bar (5) is fixedly connected at the upper end of the positioning block (7), a rubber cutting knife (9) in contact with the outer wall of the front pressure roller (2) is installed at the upper end of the U-shaped frame (8), a screw rod (10) is passed through and threadedly connected to the lower side of the U-shaped frame (8), and a pressing plate (11) is rotatably connected to the upper end of the screw rod (10); The interior of the left mounting seat (1) is a hollow cavity. Two front-to-rear connecting plates (14) are fixedly connected to the interior of the left mounting seat (1). A worm (15) is rotatably connected between the two connecting plates (14). The worm (15) is driven by a first motor (16) installed at the front end of the front connecting plate (14). The left end of the left rotating shaft (4) is fixedly connected to a connecting rod (12) extending to the interior of the left mounting seat (1). A worm wheel (13) meshing with the worm (15) is installed at the left end of the connecting rod (12).

2. A chlorinated polyethylene rubber production rubber mixing machine according to claim 1, characterized in that: Two second motors (3) distributed front and back are installed on the inner wall of the left mounting seat (1), and the output ends of the two second motors (3) penetrate the inner wall of the left mounting seat (1) and are fixedly connected to the two pressure rollers (2) respectively.

3. A chlorinated polyethylene rubber production rubber mixing machine according to claim 1, characterized in that: The pressing plate (11) is slidably connected to the rear side of the inner wall of the U-shaped frame (8) via a sliding groove.

4. A chlorinated polyethylene rubber production rubber mixing machine according to claim 1, characterized in that: The upper end of the pressing plate (11) is provided with anti-slip grooves.

5. A chlorinated polyethylene rubber production rubber mixing machine according to claim 1, characterized in that: A horizontal plate (18) is fixedly connected between the two mounting seats (1), a limiting groove (19) is provided at the upper end of the horizontal plate (18), and a collecting plate (20) is placed inside the limiting groove (19).

6. A chlorinated polyethylene rubber production rubber mixing machine according to claim 1, characterized in that: The lower end of the screw rod (10) is fixedly connected with a knob (17).

7. A chlorinated polyethylene rubber production rubber mixing machine according to claim 1, characterized in that: The lower sides of the two mounting seats (1) are fixedly connected with a fixing frame.

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