Rubber mixing machine for silica gel key production
By adjusting the roller gap and setting up a rubber cutting group, the problems of gear wear and uneven mixing at high speeds in the rubber mixing mill were solved, achieving efficient mixing and safe operation in the silicone button production process.
Patent Information
- Application Number
- CN202422893122.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing rubber mixing mill experiences increased gear meshing force at high speeds, leading to increased equipment load and wear, shortening its service life. At the same time, the roller distance cannot be adjusted, resulting in insufficient shearing force and affecting the uniformity of silicone mixing.
A rubber mixing mill was designed, comprising a motor, a reducer, a support base, a driving gear, a driven gear, a screw, a guide rod, a first roller, a second roller, and a rubber cutting assembly. The roller gap is adjusted by adjusting the position of the screw and the guide rod, and the rubber cutting assembly and baffle are set up to achieve uniform mixing and prevent splashing.
It improves the mixing uniformity and processing flexibility of silicone raw materials, reduces equipment wear, and enhances operational safety and convenience.
Smart Images
Figure CN223466521U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to silica gel key manufacturing field especially relates to a rubber mixing mill for silica gel key production. BACKGROUND
[0002] Silica gel key is a kind of input component widely used in electronic equipment, usually used on keyboard, remote controller, household appliance control panel, medical equipment and other various devices needing user input instruction.
[0003] In the production process of silica gel key, rubber mixing mill is important equipment for mixing silica gel raw materials uniformly and reaching required performance.The main function of rubber mixing mill is to mix silica gel raw rubber with other additives (such as vulcanizing agent, pigment, filler, etc.), to ensure the quality and performance of final product.
[0004] In the process of rubber mixing mill, due to the particularity of silica gel texture, when the motor-driven gear makes roller rotate, with the increase of rotation speed, the meshing force of gear will also increase, and the load and wear of gear will gradually increase over a long period of time, which shortens the service life of equipment, and the distance between rollers cannot be adjusted when the equipment is running, so that the shear force between rollers cannot be fully utilized. SUMMARY
[0005] The utility model discloses a rubber mixing mill for silica gel key production to overcome the shortcoming of prior art.
[0006] To solve the above technical problems, the utility model provides a rubber mixing mill for silica gel key production, which comprises a base, a motor, a speed reducer, a support seat, a driving gear, a driven gear, a receiving seat, a screw rod, a guide rod, a first roller, a second roller and a rubber cutting group, the top rear side of the base is provided with the motor, the top of the base is provided with the speed reducer on one side of the motor, the output shaft of the motor is connected with the speed reducer, the support seat has two parts, one of the support seats is arranged on the top of the base and located on one side of the speed reducer, the other support seat is arranged on the top front side of the base, the rear side of the middle support seat is rotatably provided with the driving gear, and the rear side of the driving gear is rotatably provided with the driven gear on the adjacent side, the driving gear is rotatably engaged with the driven gear, the screw rod is threadedly arranged in the right side of the middle support seat, the guide rod is slidably and penetratingly arranged in the right side of the front support seat, the receiving seat is arranged between the right parts of the two support seats, one receiving seat is rotatably connected with the driven gear, the first roller is rotatably arranged between the two receiving seats, the rear end of the first roller is connected with the driven gear, the right side of the first roller is rotatably contacted with the rear end of the screw rod and the guide rod, the second roller is rotatably arranged between the left parts of the two support seats, the rear end of the second roller is connected with the driving gear, and the rubber cutting group is arranged between the right upper parts of the two support seats.
[0007] Preferably, the right side of the two support seats is provided with a limiting groove.
[0008] Preferably, the rubber cutting group further comprises a support, a guide column, a pneumatic cylinder and a telescopic cutter, the support is arranged between the upper parts of the two support seats, the guide columns are slidably arranged in the support, the pneumatic cylinder is arranged in the middle of the support, the piston rod of the pneumatic cylinder penetrates the inside of the support, and the telescopic cutter is arranged between the lower parts of the guide columns and the piston rod.
[0009] Preferably, the rubber cutting group further comprises a limiting rod, a rubber blocking plate and a fixing screw, the limiting rod is arranged between the upper parts of the two support seats, the rubber blocking plates are slidably arranged at the two ends of the limiting rod, and the fixing screws are threadedly arranged in the inner sides of the rubber blocking plates.
[0010] Preferably, the rubber cutting group further comprises a collecting frame, the collecting frame is slidably arranged between the lower parts of the two support seats, and the collecting frame is located below the first roller and the second roller.
[0011] Preferably, the rubber cutting group further comprises a pull rod, and the pull rod is arranged on the right side of the collecting frame in an arc shape.
[0012] Beneficial effects: 1. By adjusting the positions of the screw rod and the guide rod, the gap between the first roller and the second roller can be changed, so that greater shearing force can be provided, and the silica gel raw materials can be mixed more uniformly; by arranging the rubber cutting group, the mixed silica gel raw materials can be cut into appropriate small pieces, subsequent processing or storage is facilitated, and processing flexibility is improved.
[0013] 2. By arranging the rubber blocking plates, the silica gel raw materials can be prevented from splashing out during the mixing process, the equipment can be kept clean, safety hazards are reduced, the collecting frame can be pulled out through the pull rod, the raw materials can be cleaned or transferred, and operation convenience is improved. DETAILED DESCRIPTION
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.
[0015] Figure 2 It is a three-dimensional structure schematic view of the first part of the utility model.
[0016] Figure 3 It is a three-dimensional structure schematic view of the second part of the utility model.
[0017] Figure 4 It is a three-dimensional structure schematic view of the third part of the utility model.
[0018] Figure 5 It is a three-dimensional structure schematic view of the fourth part of the utility model.
[0019] The marks in the accompanying drawings are: 1-base, 2-motor, 3-reducer, 4-support seat, 5-driving gear, 51-driven gear, 52-receiving seat, 6-screw, 7-guide rod, 8-first roller, 81-second roller, 9-limiting rod, 10-rubber baffle, 11-fixing screw, 12-bracket, 13-guide column, 14-cylinder, 15-telescopic cutter, 16-collection frame, 17-pull rod. DETAILED DESCRIPTION
[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0021] Embodiment: A rubber mixing machine for producing silicone keypads, such as Figures 1-5 As shown, it includes a base 1, a motor 2, a reducer 3, a support seat 4, a driving gear 5, a driven gear 51, a receiving seat 52, a screw 6, a guide rod 7, a first roller 8, a second roller 81 and a rubber cutting group. The base 1 supports the entire machine and fixes other components. A motor 2 is provided on the top rear side of the base 1. The motor 2 provides power to drive the driving gear 5 to rotate. A reducer 3 is provided on the top of the base 1 on one side of the motor 2. The output shaft of the motor 2 is connected to the reducer 3. The reducer 3 reduces the speed of the motor 2 and increases the torque. There are two support seats 4. One support seat 4 is provided on one side of the reducer 3 in the middle of the top of the base 1, and another support seat 4 is provided on the front side of the top of the base 1. A limiting groove is provided on the right side of the two support seats 4. The first roller 8 slides and is limited in the limiting groove. The driving gear 5 is provided on the rear side of the middle support seat 4, and the driven gear 51 is provided on the rear side adjacent to the driving gear 5. The driving gear 5 and the driven gear 5 are rotated. The driven gear 51 rotates and meshes, and the driven gear 51 cooperates with the driving gear 5 to drive the first roller 8. The right side thread of the middle support seat 4 is penetrated by a screw 6, and the right side of the front support seat 4 slides and is penetrated by a guide rod 7. The guide rod 7 guides the movement of the first roller 8 to ensure its smooth operation. A receiving seat 52 is provided between the right parts of the two support seats 4. The receiving seat 52 supports the driven gear 51 to ensure its smooth operation. One receiving seat 52 is rotatably connected with the driven gear 51, and the first roller 8 is rotatably provided between the two receiving seats 52. The rear end of the first roller 8 is connected to the driven gear 51, and the right side of the first roller 8 is in rotational contact with the rear end of the screw 6 and the guide rod 7. A second roller 81 is rotatably provided between the left parts of the two support seats 4. The rear end of the second roller 81 is connected to the driving gear 5, and the second roller 81 cooperates with the first roller 8 to act together on the silicone raw material. A rubber cutting group for cutting the silicone raw material is provided between the upper right parts of the two support seats 4.
[0022] like Figure 5As shown, the cutting rubber group further comprises a bracket 12, a guide column 13, a pneumatic cylinder 14 and a telescopic cutter 15. The bracket 12 is arranged between the upper right portions of the two support seats 4. The guide columns 13 are slidably arranged in the bracket 12. The guide columns 13 guide the telescopic cutter 15 to move up and down. The pneumatic cylinder 14 is arranged in the middle of the bracket 12. The pneumatic cylinder 14 provides power to drive the telescopic cutter 15 to move up and down. The piston rod of the pneumatic cylinder 14 penetrates the inside of the bracket 12. The telescopic cutter 15 is arranged between the lower portions of the guide columns 13 and the piston rod of the pneumatic cylinder 14. The telescopic cutter 15 is used to cut the silica gel raw material.
[0023] As shown in Figures 1-4 The limiting rod 9 is arranged between the upper portions of the two support seats 4. The rubber blocking plates 10 are slidably arranged at the two ends of the limiting rod 9. The fixing screws 11 are threadedly arranged in the inner sides of the rubber blocking plates 10.
[0024] As shown in Figure 3 The collecting frame 16 is slidably arranged between the lower portions of the two support seats 4. The collecting frame 16 is arranged below the first roller 8 and the second roller 81. The collecting frame 16 is used to collect the cut silica gel raw material.
[0025] As shown in Figure 3 The pull rod 17 is arranged on the right side of the collecting frame 16. The pull rod 17 is arched. The pull rod 17 is used to pull the collecting frame 16, thereby assisting the collection work.
[0026] In use, first open the motor 2 power supply, the motor 2 starts and drives the driving gear 5 to rotate through the speed reducer 3, the speed reducer 3 is used to reduce the output speed of the motor 2 and improve the torque to adapt to the slow speed and high torque required in the mixing process, the driving gear 5 is engaged with the driven gear 51, and the two are matched to drive the first roller 8 and the second roller 81 to rotate, at this time, the first roller 8 is driven by the driven gear 51, and the second roller 81 is driven by the driving gear 5, and the two rotate relative to each other to create conditions for mixing the silica gel raw materials, the silica gel raw materials are placed between the two rollers, and with the relative rotation of the first roller 8 and the second roller 81, the silica gel raw materials are extruded into the gap between the two rollers, by adjusting the position of the screw rod 6 and the guide rod 7, the position of the first roller 8 can be changed, so that the size of the gap between the two rollers is adjusted, and smaller gap can provide greater shear force, which helps to mix the silica gel raw materials more evenly, the limiting groove ensures that the first roller 8 maintains the correct track during adjustment, avoiding faults caused by deviation, when the silica gel raw materials are mixed by the first roller 8 and the second roller 81, they enter the cutting group, when the cutting group starts, the cylinder 14 pushes the telescopic cutter 15 to move downward, and the mixed silica gel raw materials are cut into appropriate small pieces for subsequent processing or storage, and the cut silica gel raw materials will fall into the collecting frame 16 below the first roller 8 and the second roller 81, in the mixing process, in order to avoid the silica gel raw materials from splashing out, the rubber baffle 10 is arranged, the rubber baffle 10 is fixed on the support seat 4 through the limiting rod 9, and the position can be adjusted according to the needs through the fixing screw 11 to adapt to different raw material quantity and viscosity, preventing the raw materials from overflowing.
[0027] The above-described embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications, improvements and substitutions can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A rubber mixing mill for producing silica gel keys, comprising a base (1), a motor (2), a speed reducer (3), a support seat (4), a driving gear (5) and a driven gear (51), a motor (2) is arranged on the top rear side of the base (1), a speed reducer (3) is arranged on one side of the motor (2) on the top of the base (1), the output shaft of the motor (2) is connected with the speed reducer (3), there are two support seats (4), one of the support seats (4) is arranged on one side of the speed reducer (3) in the middle of the top of the base (1), the other support seat (4) is arranged on the front side of the top of the base (1), the driving gear (5) is rotatably arranged on the rear side of the middle support seat (4), the driven gear (51) is rotatably arranged on the side adjacent to the rear side of the driving gear (5), the driving gear (5) is rotatably engaged with the driven gear (51), characterized in that, Also include the seat (52), screw rod (6), guide rod (7), the first roller (8), the second roller (81) and the cutting group, the right side screw rod (6) is arranged in the middle of the support seat (4) inside, the right side guide rod (7) is arranged in the front of the support seat (4) inside, the right part between the two support seats (4) is provided with the seat (52), the seat (52) is rotatably connected with the driven gear (51), the first roller (8) is rotatably arranged between the two seats (52), the rear end of the first roller (8) is connected with the driven gear (51), the right side of the first roller (8) is rotatably connected with the rear end of the screw rod (6) and the guide rod (7), the second roller (81) is rotatably arranged between the left part of the two support seats (4), the rear end of the second roller (81) is connected with the driving gear (5), and the cutting group for cutting silica gel raw materials is arranged between the right upper part of the two support seats (4).
2. The rubber mixing mill for producing silica gel keypads according to claim 1, characterized in that, The right side of the two support seats (4) is provided with a limiting groove, and the first roller (8) is slidably and limitingly arranged in the limiting groove.
3. The rubber mixing mill for producing silica gel keypads according to claim 2, characterized in that, The cutting group further includes a bracket (12), a guide column (13), a cylinder (14) and a telescopic cutter (15), the bracket (12) is arranged between the right upper part of the two support seats (4), the guide column (13) is slidably and penetratively arranged in the bracket (12), the cylinder (14) is arranged in the middle of the bracket (12), the piston rod of the cylinder (14) penetrates the inside of the bracket (12), and the telescopic cutter (15) is arranged between the lower part of the guide column (13) and the lower part of the piston rod of the cylinder (14).
4. The rubber mixing mill for producing silica gel keypads according to claim 3, characterized in that, Further comprising a limiting rod (9), a rubber blocking plate (10) and a fixing screw (11), the limiting rod (9) is arranged between the upper part of the two support seats (4), the rubber blocking plate (10) is slidably arranged at both ends of the limiting rod (9), the fixing screw (11) is threadedly arranged in the inner side of the rubber blocking plate (10), and the end of the fixing screw (11) abuts against the outer side of the limiting rod (9).
5. The rubber mixing mill for producing silica gel keypads according to claim 4, characterized in that, Further comprising a collecting frame (16), the collecting frame (16) is slidably arranged between the lower part of the two support seats (4), and the collecting frame (16) is located below the first roller (8) and the second roller (81).
6. The rubber mixing mill for producing silica gel keypads according to claim 5, characterized in that, Further comprising a pull rod (17), the pull rod (17) is arranged on the right side of the collecting frame (16).