Internal mixer for rubber product production

Abstract

The utility model relates to the technical field of internal mixers, and discloses an internal mixer for rubber product production, which comprises a device main body and a sealing plate, an access hole is arranged on the device main body, the sealing plate is arranged on the front side of the device main body and covers the outer side of the access hole, four clamping grooves distributed in a matrix are arranged on the device main body, and the clamping grooves are communicated with the access hole. The sealing plates are clamped among the four clamping grooves, the two transmission blocks synchronously get close to each other or get away from each other by rotating the two-way threaded rod and through the thread screwing-in relation, then the two sealing plates are driven to get close to each other and extrude and fix the sealing plates, and on the contrary, the sealing plates can be disassembled; according to the internal mixer, the position of the sealing plate can be conveniently limited, the sealing plate is guided during installation, an operator can conveniently maintain the interior of the device body, overall operation is simple, and the service life of the internal mixer is prolonged to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of internal mixer, concretely to rubber product production is with internal mixer. BACKGROUND

[0002] In prior art, closed type rubber mixing mill (internal mixer for short) is also called kneading mill, and is mainly used for plasticizing and mixing rubber. The internal mixer is a kind of machinery with specific shape rotating rotor, which is used for plasticizing and mixing polymer materials in the state of adjustable temperature and pressure. It is mainly composed of mixing chamber, rotor, rotor sealing device, feeding and pressing device, discharging device, transmission device and base.

[0003] At present, the mixing chamber of the existing internal mixer cannot be opened, and it is not convenient to dredge when the two rotors are blocked. In addition, the internal mixer needs to be cleaned and maintained after long-term use, which is inconvenient, time-consuming and laborious, and increases the maintenance cost. Therefore, we propose a rubber product production internal mixer. SUMMARY

[0004] TECHNICAL PROBLEM

[0005] In view of the shortcomings of the prior art, the utility model provides an internal mixer for rubber product production, which solves the above technical problems.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: an internal mixer for rubber product production, which comprises a device main body and a sealing plate, a maintenance opening is formed in the device main body, the sealing plate is arranged on the front side of the device main body and covers the outside of the maintenance opening, four clamping grooves are arranged on the device main body in a matrix distribution, the sealing plate is clamped between the four clamping grooves, a fixing block is arranged on the device main body, a transmission cavity is formed in the fixing block, a bidirectional threaded rod is rotatably installed in the transmission cavity, two transmission blocks are threadedly connected to the bidirectional threaded rod, a connecting rod is installed on the top of each transmission block, a movable pressing block is arranged on the top of the connecting rod, and the two movable pressing blocks are symmetrically arranged on the left and right sides of the sealing plate. One end of the bidirectional threaded rod is provided with a first bevel gear, a second bevel gear meshing with the first bevel gear is rotatably installed in the transmission cavity, a connecting shaft penetrating through the fixing block is installed on the second bevel gear, and a hand wheel is connected to the connecting shaft.

[0007] Preferably, four guide rails are arranged on the device main body in a matrix distribution, and two sliding grooves symmetrically arranged on the two movable pressing blocks are matched with the guide rails.

[0008] Preferably, two symmetrically arranged rectangular sliding holes are formed in the top of the fixing block, and the two connecting rods are slidably arranged in the two rectangular sliding holes.

[0009] Preferably, the left and right sides of the sealing plate are rotatably provided with rollers, and the side of each of the two movable pressing blocks is provided with an inclined surface.

[0010] Preferably, the connecting shaft is provided with an internal hexagonal groove, and the hand wheel is provided with an external hexagonal plug block matched with the internal hexagonal groove.

[0011] Preferably, the sealing plate is provided with two symmetrical handles, and the outer surface of the handle is covered with a rubber sleeve.

[0012] Preferably, the two transmission blocks are provided with threaded holes matched with the bidirectional threaded rod, and the threaded holes of the two transmission blocks are symmetrically arranged.

[0013] Compared with the prior art, the utility model provides a rubber product production with internal mixer has the following beneficial effects:

[0014] The utility model discloses a movable pressing block, bidirectional threaded rod, transmission block and sealing plate etc. structure's mutual cooperation can through the rotation bidirectional threaded rod, through the screw thread and enter the relationship of the two transmission blocks synchronous mutual approach or mutual far away, and then drive two sealing plates to approach each other and extrude and fix the sealing plate, and vice versa can disassemble the sealing plate, and through the setting of the clamping groove, the position of the sealing plate can be limited, and the sealing plate can be guided during installation, so that the internal maintenance of the device main body is facilitated, the overall operation is simple, the service life of the internal mixer is improved. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the main body structure schematic diagram of the utility model;

[0016] Figure 2 It is the side view sectional structure schematic diagram of bidirectional threaded rod, transmission block and movable pressing block etc. structure of the utility model;

[0017] Figure 3 It is the bottom view sectional structure schematic diagram of sealing plate and movable pressing block etc. structure of the utility model;

[0018] Figure 4 It is the top view sectional structure schematic diagram of bidirectional threaded rod, first bevel gear and second bevel gear of the utility model.

[0019] Among them: 1, device main body;2, clamping groove;3, sealing plate;4, handle;5, guide rail;6, connecting rod;7, movable pressing block;8, fixed block;9, rectangular slide hole;10, hand wheel;11, transmission cavity;12, transmission block;13, bidirectional threaded rod;14, threaded hole;15, first bevel gear;16, internal hexagonal groove;17, external hexagonal plug block;18, sliding slot;19, roller;20, second bevel gear;21, connecting shaft. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0021] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figures 1-4 A rubber product production mixer, including device main body 1 and sealing plate 3, the device main body 1 is provided with access hole, sealing plate 3 is arranged on the front side of device main body 1 and covers the outside of access hole, four card slots 2 are arranged on the device main body 1 in matrix distribution, sealing plate 3 is clamped between four card slots 2, fixed block 8 is arranged on the device main body 1, transmission cavity 11 is formed in fixed block 8, two-way threaded rod 13 is rotatably installed in transmission cavity 11, two transmission blocks 12 are threadedly connected on two-way threaded rod 13, connecting rod 6 is installed on the top of two transmission blocks 12, movable pressing block 7 is arranged on the top of connecting rod 6, two movable pressing blocks 7 are symmetrically arranged on the left and right sides of sealing plate 3, first bevel gear 15 is installed on one end of two-way threaded rod 13, second bevel gear 20 is rotatably installed in transmission cavity 11 and engaged with first bevel gear 15, connecting shaft 21 is installed on second bevel gear 20 and penetrates fixed block 8, hand wheel 10 is connected on connecting shaft 21.

[0024] Through the cooperation of the movable pressing block 7, the bidirectional threaded rod 13, the transmission block 12 and the sealing plate 3, the bidirectional threaded rod 13 can be rotated, the two transmission blocks 12 are synchronously close to or away from each other through the threaded rotation relationship, and then the two sealing plates 3 are close to each other and are extruded and fixed, or vice versa. The sealing plate 3 can be disassembled, and the position of the sealing plate 3 can be limited through the clamping groove 2. When the sealing plate 3 is installed, it is guided, the internal part of the device main body 1 is maintained by the operator, the overall operation is simple, the service life of the mixer is improved to a certain extent.

[0025] Specifically, in the embodiment, four guide rails 5 are arranged on the device main body 1 in a matrix distribution, and two sliding grooves 18 that are symmetrical to each other and matched with the guide rails 5 are formed in the two movable pressing blocks 7.

[0026] Through the cooperation of the guide rail 5 and the sliding groove 18, the moving direction of the movable pressing block 7 can be guided, and the moving process of the movable pressing block 7 is more smooth and stable.

[0027] Specifically, in the embodiment, two rectangular sliding holes 9 that are symmetrical to each other are formed in the top of the fixed block 8, and the two connecting rods 6 are slidably arranged in the two rectangular sliding holes 9.

[0028] Through the arrangement of the rectangular sliding hole 9, the movement range of the connecting rod 6 can be limited, and the movement range of the movable pressing block 7 can be limited.

[0029] Specifically, in the embodiment, the left and right sides of the sealing plate 3 are rotatably installed with the rollers 19, and the side close to each other of the two movable pressing blocks 7 is provided with an inclined surface.

[0030] Through the cooperation of the roller 19 and the inclined surface, when the two movable pressing blocks 7 contact the sealing plate 3, the friction between the movable pressing block 7 and the sealing plate 3 can be reduced through the arrangement of the roller 19, and the overall wear and tear can be reduced.

[0031] Specifically, in the embodiment, the connecting shaft 21 is provided with an internal hexagonal groove 16, and the hand wheel 10 is provided with an external hexagonal plug 17 matched with the internal hexagonal groove 16, so that the hand wheel 10 can be disassembled and connected with the connecting shaft 21 according to the need.

[0032] Specifically, in the embodiment, the sealing plate 3 is provided with two symmetrical handles 4, and the outer surface of the handle 4 is covered with a rubber sleeve.

[0033] Specifically, in the embodiment, the two transmission blocks 12 are provided with threaded holes 14 matched with the bidirectional threaded rod 13, and the threaded holes 14 on the two transmission blocks 12 are symmetrical.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An internal mixer for rubber product production, comprising a device main body and a closing plate, characterized by: The device body is provided with an inspection opening, the sealing plate is arranged on the front side of the device body and covers the outside of the inspection opening, four clamping slots are arranged on the device body in a matrix distribution, the sealing plate is clamped between the four clamping slots, a fixing block is arranged on the device body, a transmission cavity is formed in the fixing block, a bidirectional threaded rod is rotatably installed in the transmission cavity, two transmission blocks are threadedly connected to the bidirectional threaded rod, a connecting rod is installed on the top of each transmission block, a movable pressing block is arranged on the top of the connecting rod, and the two movable pressing blocks are symmetrically arranged on the left and right sides of the sealing plate.

2. An internal mixer for rubber product manufacturing according to claim 1, characterized in that: The device body is provided with four guide rails arranged in a matrix distribution, and two sliding grooves that are symmetrically arranged on each movable pressing block and are matched with the guide rails.

3. The internal mixer for producing a rubber product according to claim 1, characterized in that: Two rectangular sliding holes that are symmetrically arranged are formed in the top of the fixing block, and the two connecting rods are slidably arranged in the two rectangular sliding holes.

4. The internal mixer for producing a rubber product according to claim 1, characterized in that: Rolling shafts are rotatably installed on the left and right sides of the sealing plate, and an inclined surface is formed on the side of each movable pressing block that is close to the other movable pressing block.

5. The internal mixer for producing a rubber product according to claim 1, characterized in that: An inner hexagonal groove is formed in the connecting shaft, and an outer hexagonal plug block that is matched with the inner hexagonal groove is arranged on the hand wheel.

6. The internal mixer for producing a rubber product according to claim 1, characterized in that: Two symmetrically arranged hand grips are arranged on the sealing plate, and rubber sleeves are arranged on the outer surfaces of the hand grips.

7. The internal mixer for producing a rubber product according to claim 1, characterized in that: Threaded holes that are matched with the bidirectional threaded rod are formed in the two transmission blocks, and the threaded holes in the two transmission blocks are symmetrically arranged.

Images