Raw rubber mixing device for key production

Abstract

The utility model discloses a raw rubber mixing device for key production. The raw rubber mixing device comprises a curing table, a curing tank is inserted into the curing table, a tank cover is mounted at the upper end of the curing tank, a feeding hopper is mounted at the upper end of the tank cover, and a discharging pipe is mounted at the lower end of the curing tank; the mixing mechanism is mounted at the lower end of the tank cover and is used for uniformly mixing the raw materials in the curing tank; and the mixing mechanism is arranged below the discharge pipe and is used for mixing the cured raw materials. The device is reasonable in structure, the cured silica gel can be conveniently discharged, the processing efficiency can be effectively improved, meanwhile, the silica gel mixing effect can be improved, and the use requirements can be better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to key processing technical field, concretely is a kind of raw rubber mixing device for key production. BACKGROUND

[0002] Silica gel key is the key product made of silica gel, and silica gel key belongs to a product category of silica gel products. The silica gel key has excellent heat resistance, cold resistance, environmental resistance, electrical insulation, fatigue resistance and other characteristics. Before key processing, raw rubber needs to be mixed to improve the performance of silica gel.

[0003] For example, the utility model patent with the authorization announcement number CN215139097U discloses a mixing device for silica gel production and processing. The device is equipped with a heating plate, a mounting top cover, a moving lifting ring, a feeding pipe and a feeding hopper on the mixing box. The heating plate is used to heat the silica gel body in the mixing box, which improves the mixing effect. The mounting top cover is used to install the stirring device and isolate the external environment to prevent the external environment from polluting the silica gel body in the mixing box. The moving lifting ring is used to facilitate movement and hoisting of the mounting top cover.

[0004] However, when the device is used, the matured silica gel has a certain viscosity, which makes it inconvenient to discharge the matured silica gel, reduces the subsequent processing efficiency, and cannot meet the use requirements well. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a raw rubber mixing device for key production to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A raw rubber mixing device for key production includes a curing table, a curing tank inserted on the curing table, a tank cover installed on the upper end of the curing tank, a feeding hopper installed on the upper end of the tank cover, and a discharge pipe installed on the lower end of the curing tank. A mixing mechanism is installed at the lower end of the tank cover to mix the raw materials in the curing tank uniformly. A mixing mechanism is arranged below the discharge pipe to mix the cured raw materials.

[0008] As a preferred scheme, the curing tank side wall is provided with a heating cavity, and the heating cavity is installed with an electric heating wire. The heating cavity is also installed with a heat preservation sleeve on the outside.

[0009] As a preferred scheme, the mixing mechanism comprises a mixing rotating shaft rotatably installed at the lower end of the tank cover, the lower end of the mixing rotating shaft extends into the discharge pipe, a discharge paddle is installed at the lower half of the mixing rotating shaft, a plurality of groups of mixing paddles are distributed and installed at the upper half of the mixing rotating shaft, a mixing motor is further installed at the upper end of the tank cover, and the output end of the mixing motor is drivingly connected with the shaft end of the mixing rotating shaft.

[0010] As a preferred scheme, the discharge paddle is in a spiral shape.

[0011] As a preferred scheme, a plurality of groups of auxiliary rotating shafts are further rotatably installed at the lower end of the tank cover, a plurality of groups of auxiliary paddles are distributed and installed on each of the auxiliary rotating shafts, an auxiliary gear is further installed on the auxiliary rotating shaft, a driving gear is installed on the mixing rotating shaft, and the driving gear is meshingly connected with the auxiliary gear.

[0012] As a preferred scheme, the auxiliary paddles and the mixing paddles are alternately distributed.

[0013] As a preferred scheme, the mixing mechanism comprises a mixing frame, a pair of mixing rollers are rotatably installed in the mixing frame, mixing gears are installed at the shaft ends of the mixing rollers, the mixing gears are meshingly connected, and a mixing motor is further installed at the end of the mixing frame, the output end of the mixing motor is drivingly connected with the shaft end of any mixing roller.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows: the mixing motor drives the mixing rotating shaft to rotate reversely, thereby driving the discharge paddle to rotate reversely, so that the matured raw material can be discharged from the curing tank through the discharge pipe, and subsequent mixing is facilitated. The present application has a reasonable structure, facilitates the discharge of matured silica gel, can effectively improve the processing efficiency, can improve the mixing effect of silica gel, and can better meet the use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a first perspective view of the overall structure of the raw rubber mixing device for key production.

[0016] Fig. 2 It is a second perspective view of the overall structure of the raw rubber mixing device for key production.

[0017] Fig. 3 It is a perspective view of the curing tank position of the raw rubber mixing device for key production.

[0018] Fig. 4 It is a sectional view of the curing tank position of the raw rubber mixing device for key production.

[0019] Fig. 5 It is a perspective view of the tank cover position of the raw rubber mixing device for key production.

[0020] Fig. 6 It is a mixing mechanism three-dimensional structure schematic view for a key production raw rubber mixing device.

[0021] In the figure: 1, curing platform;11, curing tank;111, heat preservation sleeve;112, heating cavity;113, electric heating wire;12, tank cover;13, feed hopper;14, discharge pipe;2, mixing mechanism;21, mixing frame;22, mixing roller;23, mixing motor;24, mixing gear;3, mixing mechanism;31, mixing motor;32, mixing rotating shaft;33, mixing paddle;35, discharge paddle;36, auxiliary rotating shaft;37, auxiliary paddle;38, driving gear;39, auxiliary gear. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Embodiment: please refer to Figs. 1-6 A raw rubber mixing device for key production, comprising: a curing platform 1, a curing tank 11 is inserted and mounted on the curing platform 1, a tank cover 12 is mounted on the upper end of the curing tank 11, a feed hopper 13 is mounted on the upper end of the tank cover 12, and a discharge pipe 14 is mounted on the lower end of the curing tank 11;A mixing mechanism 3 is installed at the lower end of the tank cover 12, which is used for uniformly mixing the raw materials in the curing tank 11;A mixing mechanism 2 is arranged below the discharge pipe 14, which is used for mixing the raw materials after curing, a heating cavity 112 is formed in the side wall of the curing tank 11, an electric heating wire 113 is installed in the heating cavity 112, and a heat preservation sleeve 111 is further installed outside the heating cavity 112.

[0024] The working principle of the present application is as follows: during use, raw rubber and additives are added into the curing tank 11 through the feed hopper 13, then the raw materials in the curing tank 11 are heated by the electric heating wire 113 to soften them, then the raw materials are uniformly mixed by the mixing mechanism 3, after mixing, the raw materials are discharged from the discharge pipe 14, and then the cured raw materials are extruded by the mixing mechanism 2 to make the raw materials more uniformly distributed.

[0025] As a further scheme, the mixing mechanism 3 comprises a mixing rotating shaft 32 rotatably installed at the lower end of the tank cover 12, the lower end of the mixing rotating shaft 32 extends into the discharge pipe 14, the lower half of the mixing rotating shaft 32 is provided with a discharge paddle 35, the upper half of the mixing rotating shaft 32 is provided with a plurality of groups of mixing paddles 33, the upper end of the tank cover 12 is further provided with a mixing motor 31, the output end of the mixing motor 31 is drivingly connected with the shaft end of the mixing rotating shaft 32, in the embodiment, the discharge paddle 35 is helical, the lower end of the tank cover 12 is further rotatably provided with a plurality of groups of auxiliary rotating shafts 36, a plurality of groups of auxiliary paddles 37 are distributed and installed on each of the auxiliary rotating shafts 36, an auxiliary gear 39 is further installed on the auxiliary rotating shaft 36, a driving gear 38 is installed on the mixing rotating shaft 32, the driving gear 38 is meshingly connected with the auxiliary gear 39, the auxiliary paddles 37 and the mixing paddles 33 are staggered.

[0026] The working principle of the mixing mechanism 3 is that: during mixing, the mixing motor 31 is started, the mixing rotating shaft 32 is driven to rotate by the mixing motor 31, so that the mixing paddles 33 rotate forward, the helical discharge paddle 35 rotates forward, which can effectively prevent the raw material from being discharged from the discharge pipe 14, at the same time, through the cooperation of the driving gear 38 and the auxiliary gear 39, the auxiliary rotating shaft 36 can be driven to rotate reversely, so that the auxiliary paddles 37 rotate reversely, which can better mix the raw material uniformly with the mixing paddles 33, thereby improving the mixing effect of the raw rubber.

[0027] After mixing, the mixing rotating shaft 32 is driven to rotate reversely by the mixing motor 31, so that the discharge paddle 35 is driven to rotate reversely, and then the cooked raw material can be discharged from the discharge pipe 14 to the curing tank 11, thereby facilitating subsequent mixing.

[0028] As a further scheme, the mixing mechanism 2 comprises a mixing frame 21, a pair of mixing rollers 22 are rotatably installed in the mixing frame 21, a mixing gear 24 is installed at the shaft end of each of the mixing rollers 22, the mixing gears 24 are meshingly connected, a mixing motor 23 is further installed at the end of the mixing frame 21, the output end of the mixing motor 23 is drivingly connected with the shaft end of any one of the mixing rollers 22.

[0029] The working principle of the mixing mechanism 2 is that: after the raw material is cooked, it is discharged between the mixing rollers 22, then the mixing motor 23 is started, the corresponding mixing roller 22 is driven to rotate by the mixing motor 23, at the same time, the rotation of the other mixing roller 22 can be realized through the mixing gear 24, through the extrusion of the pair of mixing rollers, the raw material can be mixed more uniformly, thereby improving the mixing effect of the raw rubber, so as to improve the quality of the silicone rubber, and facilitate the subsequent manufacturing of the key with higher quality.

[0030] In the utility model, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only the relationship words determined for the convenience of narrating the structural relationship of various components or elements of the utility model, and are not specific to any component or element in the utility model, and cannot be understood as the limitation of the utility model.

Claims

1. A raw rubber mixing device for key production, characterized by, Include: Maturation platform (1), the maturation platform (1) is inserted with maturation tank (11), the upper end of maturation tank (11) is installed with tank cover (12), the upper end of tank cover (12) is installed with feed hopper (13), the lower end of maturation tank (11) is installed with discharge pipe (14); Mixing mechanism (3) is installed in the lower end of tank cover (12), is used for mixing raw materials in maturation tank (11) uniformly; The mixing mechanism (3) includes rotatingly installed mixing rotating shaft (32) in the lower end of tank cover (12), the lower end of mixing rotating shaft (32) extends into discharge pipe (14), the lower half of mixing rotating shaft (32) is installed with discharge paddle (35), the upper half of mixing rotating shaft (32) is distributed with multiple groups of mixing paddle (33), the upper end of tank cover (12) is also installed with mixing motor (31), the output end of mixing motor (31) is drivingly connected with the shaft end of mixing rotating shaft (32); Mixing mechanism (2) is arranged below discharge pipe (14), is used for mixing raw materials after maturation is completed; The sidewall of maturation tank (11) is provided with heating cavity (112), electric heating wire (113) is installed in heating cavity (112), and heat preservation sleeve (111) is also installed outside heating cavity (112).

2. The raw rubber mixing device for key production according to claim 1, characterized in that: The discharge paddle (35) is spiral.

3. The raw rubber mixing device for key production according to claim 2, characterized in that: The lower end of tank cover (12) is also rotatably installed with multiple groups of auxiliary rotating shafts (36), multiple groups of auxiliary paddles (37) are distributed and installed on each auxiliary rotating shaft (36), auxiliary gear (39) is also installed on auxiliary rotating shaft (36), driving gear (38) is installed on mixing rotating shaft (32), and driving gear (38) is meshedly connected with auxiliary gear (39).

4. The raw rubber mixing device for key production according to claim 3, characterized in that: The auxiliary paddle (37) and mixing paddle (33) are staggered distribution.

5. The raw rubber mixing device for key production according to claim 4, characterized in that: The mixing mechanism (2) includes mixing frame (21), a pair of mixing rollers (22) are rotatably installed in mixing frame (21), mixing gear (24) is installed on the shaft end of each mixing roller (22), and mixing gear (24) is meshedly connected, mixing motor (23) is also installed at the end of mixing frame (21), and the output end of mixing motor (23) is drivingly connected with the shaft end of any mixing roller (22).

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