Precise positioning mechanism capable of realizing secondary rubber coating of injection molded part

Abstract

The utility model relates to the field of injection molding equipment, in particular to a fine positioning mechanism capable of realizing secondary rubber coating of an injection molded part, which comprises two fixing plates, an injection mold is arranged between the two fixing plates, a rotating shaft is arranged on one sides of the two fixing plates, and a driving assembly is arranged between the rotating shaft and the injection mold. Through the arrangement of the toothed plate, the push plate, the gear, the air pipe, the rotating shaft and other components, the mold II drives the toothed plate to move and moves upwards under the action of the push plate along with the reset of the mold II in the working process, the mold II is driven by the gear to move upwards, the mold II is driven by the gear to move upwards, the mold II is driven by the gear to move upwards, and the mold II is driven by the gear to move upwards. The toothed plate drives the gear to rotate, the gear drives the rotating shaft to rotate, the rotating shaft drives the air pipe to rotate through the fixing frame, the mold is automatically cleaned through the spray head on the air pipe, and therefore the effect of reducing the labor intensity of workers is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding equipment technical field, concretely is a kind of precision positioning mechanism that can realize secondary encapsulation of injection molding part. BACKGROUND

[0002] Many injection molding products need to contact with human body in use process, and through secondary encapsulation, a layer of soft material can be wrapped on the basis of original hard plastic injection molding part, so that product touch feeling is more comfortable, can make user hold more closely hand when holding, reduce fatigue feeling after long time use.

[0003] Through the retrieval, the precision positioning mechanism that can realize secondary encapsulation of injection molding part of Chinese patent with the publication number CN210174069U is disclosed, sensor group automatically detects the position of injection molding part, ensures that injection molding part can accurately enter positioning hole, and is accurately clamped by subsequent process work;It is simple in structure, low in manufacturing cost, convenient to install and use, low in maintenance cost in later period;Reduce the cost when injection molding part is fed, reduce the manufacturing cost of product, increase the competitiveness of enterprise.

[0004] But injection mold in prior art in use process, cavity, core and other parts are prone to accumulate plastic chips, release agent residue, dust and other sundries, resulting in the need for manual cleaning by staff, in order to solve the problem of increased labor intensity of staff caused by manual cleaning of mold in prior art, the mold is automatically cleaned by automatically rotating air pipe, so as to reduce the labor intensity of staff, therefore a new scheme is needed to solve this problem. UTILITY MODEL CONTENT

[0005] In view of the deficiencies and defects of the prior art in the above background art.

[0006] The precision positioning mechanism for secondary encapsulation of injection molding part disclosed by the utility model comprises a fixed plate, the fixed plate is provided with two, an injection mold is arranged between the two fixed plates, a rotating shaft is arranged on one side of the two fixed plates, a driving assembly is arranged between the rotating shaft and the injection mold, a fixed frame is arranged on the rotating shaft, an air pipe is arranged on the fixed frame, and a spray head is arranged on the air pipe.

[0007] Further, the injection mold comprises a mold one, a mold two and a sliding rod, the sliding rod is installed between the two fixed frames, the mold one is arranged on one of the fixed plates, the mold two is arranged on the sliding rod, the mold one is provided with a positioning rod, and the positioning rod is provided with a positioning hole on the corresponding position of the mold two.

[0008] Further, the driving assembly comprises a push plate, a toothed plate, the push plate is installed on the fixed plate, the toothed plate is slidably installed on the mold one, a limiting piece is arranged between the toothed plate and the mold one, and the end, where the toothed plate and the push plate are close to each other, is chamfered.

[0009] Further, the limiting piece comprises a limiting block, the limiting block is installed on the mold one, a sliding groove is arranged on the toothed plate, and the limiting block and the sliding groove are slidably arranged.

[0010] Further, a limiting strip is arranged on one side of the gear, the limiting strip is installed on the rotating shaft, and the limiting strip and the toothed plate are slidably arranged.

[0011] Further, a baffle is arranged on the side, away from the mold one, of the push plate, and the baffle is installed on the push plate.

[0012] Further, a top block is arranged on the inner side of the mold one, and a hydraulic telescopic rod is arranged between the top block and the fixed plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a push plate, a toothed plate, a gear, a wind pipe and a rotating shaft are arranged, when the mold two is reset after processing, the mold two drives the toothed plate to move, and the toothed plate moves up under the action of the push plate, the toothed plate drives the gear to rotate, the gear drives the rotating shaft to rotate, the rotating shaft drives the wind pipe to rotate through the fixing frame, and the nozzle on the wind pipe realizes automatic cleaning of the mold, thereby reducing the labor intensity of workers.

[0015] 2、The utility model discloses a limiting strip, a top block, a hydraulic telescopic rod and a limiting block are arranged, the hydraulic telescopic rod and the top block are matched with each other during work, the hydraulic telescopic rod is controlled to work, the hydraulic telescopic rod drives the top block to move, thereby automatically ejecting the workpiece in the mold one, the limiting strip and the toothed plate are matched with each other, thereby limiting the rotating angle of the rotating shaft, facilitating the meshing between the toothed plate and the gear, improving the stability during work of the device, and the limiting block and the sliding groove are matched with each other, thereby guiding and limiting the moving direction and position of the toothed plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0017] Figure 1It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the rear side structure schematic diagram of the utility model;

[0019] Figure 3 It is the local structure schematic diagram of the utility model;

[0020] Figure 4 It is the tooth plate structure schematic diagram of the utility model.

[0021] In the drawing: 1, fixed plate, 2, mold one, 3, mold two, 4, positioning rod, 5, positioning hole, 6, sliding rod, 7, air pipe, 8, spray head, 9, fixed frame, 10, rotating shaft, 11, push plate, 12, tooth plate, 13, gear, 14, limit block, 15, sliding slot, 16, baffle, 17, limit strip, 18, top block, 19, hydraulic telescopic rod. Specific implementation

[0022] The following will disclose multiple embodiments of the utility model with drawings, for the purpose of clear description, many details on the real object will be described together in the following description. However, it should be understood that these details on the real object should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these details on the real object are unnecessary. In addition, for the purpose of simplifying the drawing, some conventional structures and components will be drawn in a simple schematic way in the drawing.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 The precise positioning mechanism for realizing secondary encapsulation of injection molding parts of the utility model, including fixed plate 1, when using, first install it on the designated equipment through fixed plate 1, fixed plate 1 is provided with two, two fixed plate 1 is provided with injection mold between, one side of two fixed plate 1 is provided with rotating shaft 10, driving assembly is provided between rotating shaft 10 and injection mold, fixed frame 9 is provided on rotating shaft 10, air pipe 7 is provided on fixed frame 9, air pipe 7 is connected with external air tank, spray head 8 is provided on air pipe 7.

[0024] As shown in Figure 1 、 Figure 2 , injection mold includes mold one 2, mold two 3 and sliding rod 6, sliding rod 6 is installed between two fixed frames 9, mold one 2 is arranged on one of fixed plate 1, mold two 3 is arranged on sliding rod 6, positioning rod 4 is arranged on mold one 2, positioning hole 5 is arranged on corresponding position of mold two 3, air cylinder is arranged between mold two 3 and fixed plate 1, by controlling the work of air cylinder, the distance between mold one 2 and mold two 3 is changed, precise positioning between mold one 2 and mold two 3 is realized by mutual cooperation between positioning rod 4 and positioning hole 5.

[0025] Combination Figure 2 , Figure 3 As shown, the drive assembly includes a push plate 11 and a toothed plate 12. The push plate 11 is mounted on the fixed plate 1, and the toothed plate 12 is slidably mounted on the mold 2. A limit member is provided between the toothed plate 12 and the mold 2. The ends of the toothed plate 12 and the push plate 11 that are close to each other are chamfered. A gear 13 is provided on the rotating shaft 10, and the toothed plate 12 and the gear 13 mesh for transmission.

[0026] like Figure 4 As shown, the limiting component includes a limiting block 14, which is installed on the mold 12. A groove 15 is provided on the toothed plate 12. The limiting block 14 and the groove 15 are slidably disposed. When the toothed plate 12 moves, the limiting block 14 moves within the groove 15, thereby guiding and limiting the moving direction and position of the toothed plate 12.

[0027] Looking back Figure 3 As shown, a limiting strip 17 is provided on one side of the gear 13. The limiting strip 17 is installed on the rotating shaft 10 and is slidably disposed with the tooth plate 12. When the tooth plate 12 is separated from the gear 13, the limiting strip 17 slides between the two teeth of the tooth plate 12, thereby limiting the relative position between the rotating shaft 10 and the tooth plate 12, thus facilitating the re-meshing between the tooth plate 12 and the gear 13.

[0028] In this embodiment, a baffle 16 is provided on the side of the push plate 11 away from the mold 2. The baffle 16 is installed on the push plate 11. Through the mutual cooperation between the baffle 16 and the mold 2, the position of the toothed plate 12 is restricted, and a stable connection between the toothed plate 12 and the push plate 11 is maintained.

[0029] Combination Figure 1 , Figure 2 As shown, a top block 18 is provided on the inner side of mold 2. A hydraulic telescopic rod 19 is provided between the top block 18 and the fixed plate 1. By controlling the operation of the hydraulic telescopic rod 19, the top block 18 is moved, thereby changing the position of the top block 18 in mold 2.

[0030] The implementation principle is: when the workpiece is finished, the mold two 3 is controlled to move away from the mold one 2, and when the mold two 3 moves on the slide rod 6, the hydraulic telescopic rod 19 drives the top block 18 to move when the slide rod 6 moves to the preset position, the top block 18 automatically ejects the workpiece in the mold one 2, with the movement of the mold two 3, the toothed plate 12 on the mold two 3 contacts the push plate 11 and moves upward along the inclined surface under the block of the push plate 11, the toothed plate 12 drives the gear 13 to rotate while moving upward, the gear 13 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the fixed frame 9 to rotate, the fixed frame 9 drives the air pipe 7 to rotate, the air pipe 7 blows air on the surface of the mold one 2 and the mold two 3 through the nozzle 8, so that automatic cleaning is realized, when the mold two 3 moves reversely, the slide rod 6 automatically rotates reversely and resets under the action of the gravity of the air pipe 7.

[0031] The above merely describes the implementation mode of the present application and is not used to limit the present application. The present application can be changed and varied in various ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A precision positioning mechanism for enabling secondary encapsulation of an injection molded part, comprising a fixed plate (1), characterized in that: The fixed plate (1) is provided with two, two fixed plates (1) between the injection mold is arranged, one side of two fixed plates (1) is provided with rotating shaft (10), the rotating shaft (10) and the injection mold between the drive assembly is arranged, the rotating shaft (10) is provided with fixed frame (9), the fixed frame (9) is provided with air pipe (7), the air pipe (7) is provided with nozzle (8).

2. The precision positioning mechanism for enabling secondary encapsulation of an injection molded part of claim 1, wherein: The injection mold includes mold one (2), mold two (3), slide rod (6), the slide rod (6) is installed between two fixed frame (9), the mold one (2) is arranged on one of the fixed plate (1), the slide rod (6) is provided with mold two (3), the mold one (2) is provided with positioning rod (4), the positioning rod (4) is provided with positioning hole (5) on the corresponding position of the mold two (3).

3. The precision positioning mechanism according to claim 2, wherein: The drive assembly includes push plate (11), toothed plate (12), the push plate (11) is installed on the fixed plate (1), the toothed plate (12) is slidably installed on the mold one (2), the toothed plate (12) and the mold one (2) between the limiting piece is arranged, the toothed plate (12) and the end of the push plate (11) is chamfered, the rotating shaft (10) is provided with gear (13), the toothed plate (12) and the gear (13) are engaged transmission.

4. The precision positioning mechanism according to claim 3, wherein: The limiting piece includes limiting block (14), the limiting block (14) is installed on the mold one (2), the toothed plate (12) is provided with sliding slot (15), the limiting block (14) and the sliding slot (15) are slidably arranged.

5. The precision positioning mechanism according to claim 3, wherein: One side of the gear (13) is provided with limiting strip (17), the limiting strip (17) is installed on the rotating shaft (10), the limiting strip (17) and the toothed plate (12) are slidably arranged.

6. The precision positioning mechanism according to claim 3, wherein: The push plate (11) is provided with baffle (16) away from the mold one (2), the baffle (16) is installed on the push plate (11).

7. The precision positioning mechanism according to claim 2, wherein: The inside of the mold one (2) is provided with top block (18), the top block (18) and the fixed plate (1) between the hydraulic telescopic rod (19) is arranged.

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