Electric toothbrush handle rubber coating mold

By introducing a fixing mechanism and a positioning mechanism into the rubber-coating mold of the electric toothbrush handle, the problems of inconvenient connection between the pipe and the nozzle and mold misalignment are solved, achieving stable connection and position correction, and improving production efficiency.

CN223630845UActive Publication Date: 2025-12-05DONGGUAN BAOWEI MOULD TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423151941.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-05
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing molds for overmolding electric toothbrush handles are inconvenient to connect to the pipe and nozzle, and are prone to detachment. Furthermore, the mold positioning is not stable enough, which can easily lead to misalignment during the production process.

Method used

A mold including a fixing mechanism and a positioning mechanism was designed. The stable connection between the pipe and the nozzle is achieved through the cooperation of the threaded rod, the slider and the gear rack. The position of the mold is corrected by the motor-driven diamond block and U-shaped rod to ensure that the upper and lower molds are aligned.

Benefits of technology

It achieves a convenient and stable connection between the pipe and the nozzle, preventing detachment, and effectively corrects the mold position, ensuring the stability and efficiency of the production process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223630845U_ABST
    Figure CN223630845U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of rubber coating molds, in particular to an electric toothbrush handle rubber coating mold, which comprises an upper mold body and a lower mold body and is used for producing toothbrush handles, an upper mold cover is fixedly mounted on the surface of the upper end of the upper mold body, a buffer seat is fixedly connected to the bottom surface of the lower mold body, a base is fixedly connected to the bottom surface of the buffer seat, and the base is fixedly connected to the bottom surface of the upper mold body. A positioning mechanism is arranged in the base, a built-in mold body is fixedly mounted on the surface of the upper end of the lower mold body, a sprue is fixedly connected to the surface of the upper end of the built-in mold body, and a connecting ring is fixedly mounted on the surface of the upper end of the upper mold cover. The upper die body and the lower die body are arranged, follow-up falling is avoided, the influence on material passing operation in the die is avoided, the positioning mechanism is arranged, the position between the upper die body and the lower die body can be well corrected, and the influence on production operation of toothbrush handles due to dislocation between the upper die body and the lower die body is effectively avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a rubber -coated mould technical field, specifically is a kind of electric toothbrush handle rubber -coated mould. BACKGROUND

[0002] Rubber -coated mould is a kind of special plastic forming process, mainly used to be formed twice by two plastic materials, this process usually needs two sets of mould, without special two-color injection molding machine, the design of rubber -coated mould needs to pay attention to the positioning of hard glue parts, ensure that sealing glue is reliable and prevent deformation, rubber -coated mould is suitable for handle and other components, outer layer commonly used artificial vulcanized rubber.

[0003] In prior art, such as the double-color handle plastic mould of electric toothbrush in patent application number "CN202023027345.6", the upper end surface of the fixed die plate and the lower end surface of the movable die plate are provided with model plates, and the surfaces of the model plates are provided with model grooves, the double-color handle plastic mould of electric toothbrush has the function of model groove replacement, is suitable for injection molding toothbrush handles of different shapes, avoids the replacement of mold plate, saves materials, and has the effect of rotary injection molding, improves work efficiency.

[0004] However, in the above-mentioned patent application, the pipeline for feeding is connected with the nipple in the mould, but the above-mentioned patent cannot conveniently connect and fix the pipeline, which cannot avoid the situation that the pipeline falls off, and in order to avoid misplacement, the mould is generally only provided with positioning columns to position the upper and lower moulds, but due to the influence of factors such as the rigidity of the mould, the wear of the mould and the skill level of the operator, only relying on the positioning columns cannot completely avoid misplacement. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rubber -coated mould for electric toothbrush handle to solve the problems in the above-mentioned background art.

[0006] The purpose of the utility model can be realized by the following technical scheme:

[0007] A rubber -coated mould for electric toothbrush handle, including upper die body and lower die body, for producing toothbrush handle, the upper end surface of the upper die body is fixedly installed with upper die cover, the bottom surface of the lower die body is fixedly connected with buffer seat, the bottom surface of the buffer seat is fixedly connected with base, the base is internally provided with positioning mechanism, the upper end surface of the lower die body is fixedly installed with built-in die body, the upper end surface of the built-in die body is fixedly connected with nipple, the upper end surface of the upper die cover is fixedly installed with connecting ring, the end surface of the upper die cover is provided with fixed mechanism;

[0008] The fixing mechanism comprises a fixing frame, a fixing plate one is fixedly installed in the fixing frame, a fixing plate two is movably installed on one side of the fixing plate one in the fixing frame, and the positioning mechanism comprises an installation plate, two racks and two long rods.

[0009] Preferably, two round holes are formed in the outer side wall of the fixing frame, two threaded rods are inserted into the round holes, two nuts are sleeved on the outer sides of the threaded rods and located in the round holes, an annular groove is formed in the inner wall of the round hole, and one end of each threaded rod is fixedly connected with the fixing plate two.

[0010] Preferably, a plurality of sliding blocks are inserted into the annular groove, one end of each sliding block is fixedly connected with the nut, a thread one is formed in the inner wall of the nut, and a thread two is formed in the outer wall of the threaded rod.

[0011] Preferably, a sliding rod is fixedly installed on each outer side wall of the fixing frame, a limiting rod is sleeved on the outer side of each sliding rod, and one end of each limiting rod is fixedly connected with the threaded rod.

[0012] Preferably, a gear and a rhombic block are rotatably connected to the outer side wall of the installation plate through a shaft rod, a motor is installed on the bottom surface of the installation plate, and the output end of the motor is connected with the gear and the rhombic block through a shaft rod.

[0013] Preferably, the gear and the two racks are meshed with each other, two movable plates are sleeved between the outer sides of the two long rods, supporting springs are sleeved on the outer sides of the two long rods close to the two ends, a U-shaped rod one is fixedly connected to one end of each rack, and a U-shaped rod two is fixedly connected to one end of each U-shaped rod one.

[0014] Preferably, a U-shaped rod two is inserted into each outer side wall of the base, one end of each U-shaped rod two is fixedly connected with the movable plate, and the other end of each U-shaped rod two is fixedly connected with a U-shaped rod two.

[0015] The utility model discloses the beneficial effect lies in that:

[0016] 1, the utility model discloses a nut is rotated in the round hole through the sliding block cooperation annular groove to cooperation thread one and thread two, makes the threaded rod slide through the sliding rod cooperation limiting rod, drives the fixed plate two to the fixed plate one direction of moving, can hold and fix the pipe, makes the pipe convenient and stable with the drinking straw intercommunication, avoids the subsequent drop, influences the operation of the material in the mould.

[0017] 2, the utility model discloses a motor, gear and rack are cooperated, drive two U-shaped rod one movement, make two work shape positioning board one mutually close, to the upper die body and the lower die body two outer lateral wall carry out the simultaneous push, carry out the correction to the position between the upper die body and the lower die body, simultaneously cooperate rhombic block to make two movable plates move under the action of support spring elasticity, drive two U-shaped rod two mutually close, thereby make two work shape positioning board two mutually close, to the upper die body and the lower die body another two lateral wall carry out the simultaneous push, further correct the position between the upper die body and the lower die body, thereby effectively avoid the dislocation between the upper die body and the lower die body, influence the production operation to toothbrush handle. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, for ordinary skilled person in the art, without paying the creative labor, can also obtain other drawings according to these drawings;

[0019] Figure 1 It is the overall structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram of another view of the utility model;

[0021] Figure 3 It is the structure schematic diagram of the upper die and the fixed frame in the utility model;

[0022] Figure 4 It is the sectional view of the fixed frame in the utility model;

[0023] Figure 5 It is the structure schematic diagram of the utility model in Figure 4 The enlarged view of A in the middle;

[0024] Figure 6 It is the local structure schematic diagram of the utility model;

[0025] Figure 7 It is the sectional view of rhombic block in the utility model;

[0026] Figure 8 It is the structure schematic diagram of the built-in mould and the nipple in the utility model.

[0027] The reference signs in the drawing are as follows:

[0028] 1, upper die cover; 2, upper die body; 3, lower die body; 4, buffer seat; 5, base; 6, fixed frame; 7, connecting ring; 8, built-in die body; 9, toothbrush handle; 10, nipple; 12, fixed plate one; 13, fixed plate two; 14, threaded rod; 15, nut; 16, annular groove; 17, sliding block; 18, limiting rod; 19, sliding rod; 20, mounting plate; 21, diamond block; 22, rack; 23, U-shaped rod one; 24, I-shaped positioning plate one; 25, U-shaped rod two; 26, I-shaped positioning plate two; 27, long rod; 28, gear; 29, movable plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] A kind of electric toothbrush handle rubber coating mould, as shown in Fig. Figures 1-8 It includes upper die body 2 and lower die body 3 for producing toothbrush handle 9, upper die body 2 upper end surface is fixedly installed with upper die cover 1, lower die body 3 bottom is fixedly connected with buffer seat 4, buffer seat 4 bottom is fixedly connected with base 5, base 5 is internally provided with positioning mechanism, lower die body 3 upper end surface is fixedly installed with built-in die body 8, built-in die body 8 upper end surface is fixedly connected with nipple 10, upper die cover 1 upper end surface is fixedly installed with connecting ring 7, upper die cover 1 end surface is provided with fixed mechanism, fixed mechanism includes fixed frame 6, fixed frame 6 is fixedly installed on upper die cover 1 upper end surface position, fixed frame 6 is fixedly installed with fixed plate one 12 inside, fixed frame 6 is movably installed with fixed plate two 13 inside near fixed plate one 12 one side position, positioning mechanism includes mounting plate 20, two racks 22 and two long rods 27, mounting plate 20 and two long rods 27 are fixedly installed between the position of two inner side walls of base 5, two racks 22 are slidably connected in the top end position of base 5 inside.

[0031] Two round holes are opened in the outer side wall of fixed frame 6, threaded rods 14 are inserted into the two round holes, nuts 15 are sleeved on the outer part of two threaded rods 14 and located in the position of the round hole inside, annular grooves 16 are opened in the inner wall of the round hole, one end of two threaded rods 14 is fixedly connected with fixed plate two 13, a plurality of sliding blocks 17 are inserted into the annular groove 16, one end of the plurality of sliding blocks 17 is fixedly connected with the nut 15, a plurality of threads are opened in the inner wall of the nut 15, a plurality of threads are opened in the outer wall of the threaded rod 14, and the threads are matched with each other.

[0032] When the rotating nut 15 is rotated, each sliding block 17 moves along the inside of the annular groove 16 following the rotating nut 15, which limits the rotating position of the rotating nut 15, so that the rotating nut 15 always rotates in the circular hole.

[0033] The two outer side walls of the fixed frame 6 are fixedly provided with sliding rods 19, the outer sides of the two sliding rods 19 are sleeved with limiting rods 18, and one end of the two limiting rods 18 is fixedly connected with the two threaded rods 14 respectively.

[0034] In use, a pipeline for feeding material for injection molding of the toothbrush handle 9 is inserted into the connecting ring 7, so that the pipeline is in communication with the spout 10, then the nut 15 is rotated, so that the nut 15 rotates in the circular hole through the cooperation of the sliding block 17 and the annular groove 16, and cooperates with the first screw thread and the second screw thread, so that the threaded rod 14 slides through the cooperation of the sliding rod 19 and the limiting rod 18, drives the second fixed plate 13 to move towards the first fixed plate 12, can clamp and fix the pipeline, so that the pipeline is conveniently and stably connected with the spout 10, avoids falling off in the subsequent process, and affects the feeding operation in the mold. After being fixed, the pipeline is used to feed the inside of the built-in mold body 8 between the upper mold body 2 and the lower mold body 3, and then cooled to produce the toothbrush handle 9.

[0035] The outer side wall of the mounting plate 20 is rotatably connected with a gear 28 and a rhombic block 21 through a shaft rod, the mounting plate 20 is provided with a motor on the bottom surface, and the output end base 5 is connected with the gear 28 and the rhombic block 21 through a shaft rod, the gear 28 is meshed with the two racks 22, the two long rods 27 are sleeved with two movable plates 29 between the outer sides, the outer sides of the two long rods 27 are sleeved with supporting springs near the two ends, one end of each of the two racks 22 is fixedly connected with a U-shaped rod one 23, and one end of each of the two U-shaped rods one 23 is fixedly connected with a I-shaped positioning plate one 24.

[0036] The initial state of the rhombic block 21 is that the two ends far away from each other are in contact with the two movable plates 29 respectively, so that the two movable plates 29 are far away from each other, and the supporting springs are compressed.

[0037] The two outer side walls of the base 5 are inserted with U-shaped rods two 25, one end of each of the two U-shaped rods two 25 is fixedly connected with the two movable plates 29, and the other end of each of the two U-shaped rods two 25 is fixedly connected with a I-shaped positioning plate two 26.

[0038] Specifically, when using the mold, the upper mold body 2 needs to be covered on the upper end of the lower mold body 3, so that the upper mold body 2 and the lower mold body 3 are closely attached and aligned. After the covering is completed, the motor on the mounting plate 20 drives the gear 28 to rotate 90°, which can drive the two racks 22 to slide, thereby driving the two U-shaped rods 23 to move and approach each other, thereby driving the two U-shaped positioning plates 24 to approach each other, simultaneously pushing the two outer side walls of the upper mold body 2 and the lower mold body 3, and correcting the position between the upper mold body 2 and the lower mold body 3. At the same time, the diamond block 21 is rotated 90° between the two movable plates 29 under the driving of the motor, so that the two movable plates 29 slide along the two long rods 27 under the action of the supporting spring force and approach each other, which can drive the two U-shaped rods 25 to approach each other, thereby making the two U-shaped positioning plates 26 approach each other, simultaneously pushing the other two side walls of the upper mold body 2 and the lower mold body 3, further correcting the position between the upper mold body 2 and the lower mold body 3, thereby effectively avoiding the dislocation between the upper mold body 2 and the lower mold body 3, and affecting the production operation of the spout 10.

[0039] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. An electric toothbrush handle encapsulation mold comprising an upper mold body (2) and a lower mold body (3) for producing a toothbrush handle (9), characterized in that, The upper die body (2) upper end surface is fixedly installed with an upper die cover (1), the lower die body (3) bottom is fixedly connected with a buffer seat (4), the buffer seat (4) bottom is fixedly connected with a base (5), the base (5) is provided with a positioning mechanism, the lower die body (3) upper end surface is fixedly installed with an embedded die body (8), the embedded die body (8) upper end surface is fixedly connected with a nipple (10), the upper die cover (1) upper end surface is fixedly installed with a connecting ring (7), and the upper die cover (1) end surface is provided with a fixing mechanism. The fixing mechanism comprises a fixed frame (6), the fixed frame (6) is fixedly installed on the upper end surface of the upper die cover (1), the fixed frame (6) is fixedly installed with a fixed plate one (12) inside, the fixed frame (6) is movably installed with a fixed plate two (13) inside near one side of the fixed plate one (12), the positioning mechanism comprises an installation plate (20), two racks (22) and two long rods (27), the installation plate (20) and the two long rods (27) are fixedly installed between the two inner side walls of the base (5), and the two racks (22) are slidably connected to the top end of the base (5) inside.

2. The electric toothbrush handle encapsulation mold according to claim 1, wherein, The outer side wall of the fixed frame (6) is provided with two round holes, and the two round holes are inserted with threaded rods (14) inside, the two threaded rods (14) are externally located in the round hole position and are sleeved with nuts (15), the inner wall of the round hole is provided with an annular groove (16), and the one end of the two threaded rods (14) is fixedly connected with the fixed plate two (13).

3. The electric toothbrush handle encapsulation mold according to claim 2, wherein, A plurality of sliding blocks (17) are inserted into the annular groove (16), and the one end of the plurality of sliding blocks (17) is fixedly connected with the nut (15), the inner wall of the nut (15) is provided with a thread one, the outer wall of the threaded rod (14) is provided with a thread two, and the thread one and the thread two are matched with each other.

4. The electric toothbrush handle encapsulation mold of claim 1, wherein, The two outer side walls of the fixed frame (6) are fixedly installed with sliding rods (19), the two outer sides of the sliding rod (19) are sleeved with limiting rods (18), and the one end of the two limiting rods (18) is fixedly connected with the two threaded rods (14) respectively.

5. The electric toothbrush handle encapsulation mold of claim 1, wherein, The outer side wall of the installation plate (20) is rotatably connected with a gear (28) and a rhombic block (21) through a shaft rod, the bottom surface of the installation plate (20) is provided with a motor, and the output end of the motor is connected with the gear (28) and the rhombic block (21) through a shaft rod and a base (5).

6. A toothbrush handle overmolding mold as defined in claim 5, wherein, The gear (28) and the two racks (22) are arranged in meshing relationship, the two long rods (27) are sleeved with two movable plates (29) between the outer sides, the two long rods (27) are sleeved with supporting springs near the two ends of the outer sides, and the one end of the two racks (22) is fixedly connected with a U-shaped rod one (23).

7. The electric toothbrush handle encapsulation mold of claim 1, wherein, The two outer side walls of the base (5) are inserted with U-shaped rods two (25), the one end of the two U-shaped rods two (25) is fixedly connected with the two movable plates (29) respectively, and the other end of the two U-shaped rods two (25) is fixedly connected with a U-shaped positioning plate two (26).

Citation Information

Patent Citations

  • Plastic mould for double-color handle of electric toothbrush

    CN214419426U