CN216300068U - Mold closing structure of electric tool plastic shell injection mold - Google Patents

Abstract

The utility model relates to the technical field of electric tools, in particular to a die assembly structure of an injection mold of a plastic shell of an electric tool, which comprises a support frame, an injection molding pipe and a fixed rod, wherein the left side of the upper end of the support frame is rotatably connected with a transmission gear, the lower end of the transmission gear is engaged and connected with a transmission latch, the lower end of the transmission latch is fixedly connected with a male die, the outer side of the male die is rotatably connected with a first transmission rod, the inner end of the first transmission rod is rotatably connected with a transmission block, and the right end of the first transmission rod is rotatably connected with a female die. And the mould can be quickly opened, so that the electric tool shell is convenient to mould and produce and use.

Description

A mold clamping structure for plastic shell injection molds of electric tools

technical field

The utility model relates to the technical field of electric tools, in particular to a clamping structure for an injection mold of a plastic shell of an electric tool.

Background technique

With the development of society, the application of power tools has become more and more extensive. Power tools can drive devices through electrical energy, realize automatic operation of the device, and reduce labor consumption. The use of power tool shells has insulation and corrosion resistance, which can effectively It protects the parts in the power tool, and the plastic shell is relatively light, which can reduce the overall weight of the power tool and facilitate the use of the power tool.

In the prior art, the power tool shell needs to be manually clamped during the production process of the injection mold, and the mold needs to be manually disassembled after molding, thereby affecting the production efficiency of the power tool shell; When the tool shell is collected, the formed power tool shell is easily attached to the inner side of the mold, thereby affecting the demoulding process of the power tool shell and reducing the injection molding production efficiency.

Utility model content

The purpose of this utility model is to provide a mold clamping structure for an injection mold of a plastic shell of an electric tool, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

A mold clamping structure for an injection mold of a plastic shell of an electric tool, comprising a support frame, an injection tube and a fixing rod, a transmission gear is rotatably connected to the left side of the upper end of the support frame, and a transmission clip is meshed and connected to the lower end of the transmission gear. The lower end of the transmission tooth is fixedly connected with a punch, the outer side of the punch is rotatably connected with a first transmission rod, the inner end of the first transmission rod is rotatably connected with a transmission block, and the right end of the first transmission rod A concave die is rotatably connected, a sliding rod is slidably connected to the inner side of the concave die and the convex mold, a stripper plate is fixedly connected to the inner end of the sliding rod, and a limit block is fixedly connected to the outer end of the sliding rod. A top block is slidably connected to the outer end of the limit block, and a second transmission rod is rotatably connected to the outer side of the top block and the limit block.

Preferably, the inner side of the upper end of the support frame is fixedly connected with a rail plate, and the inner side of the rail plate is slidably connected with a sliding block, and the sliding block is respectively fixedly connected with the male mold and the female mold.

Preferably, a driving gear is meshed with the upper end of the transmission gear, a motor is provided on the rear side of the driving gear, the driving gear is rotatably connected to the motor through the output shaft, and the motor and the support frame are fixedly connected .

Preferably, an injection tube is sealingly connected to the upper end of the female mold.

Preferably, the surface of the sliding rod is covered with a spring.

Preferably, a telescopic rod is fixedly connected to the outer end of the top block, a fixing plate is fixedly connected to the outer end of the telescopic rod, and the fixing plate is fixedly connected to the support frame.

Preferably, a conveyor belt is rotatably connected to the inner lower end of the support frame.

Preferably, a fixing rod is slidably connected to the inner side of the transmission block, and the fixing rod is fixedly connected with the support frame.

Compared with the prior art, the beneficial effects of the present utility model are:

1. In the present utility model, through the set transmission gear, transmission tooth and the first transmission rod, the transmission tooth can drive the punch to move through the rotation of the transmission gear, and the punch is moved in the punch by the action of the first transmission rod. During the moving process, the die can be driven to move at the same time, so that the punch and the die can move toward each other at the same time and close the die, and the die can be opened quickly, which is convenient for the injection production of the power tool shell;

2. In the present utility model, the stripper plate, the limit block and the top block are provided, when the female die and the punch move to the outside, the sliding rod can drive the stripper plate to the outside by the top block pressing the limit block to the outside. Move, so that the power tool shell outside the die and the punch can be quickly demolded, and the power tool shell can be quickly conveyed by the function of the provided conveyor belt, so that the injection molding production efficiency of the power tool shell can be effectively improved.

Description of drawings

1 is a sectional view of the overall installation structure of the present utility model;

Fig. 2 is a schematic diagram of the installation structure at place A of Fig. 1 of the utility model;

3 is a schematic diagram of the installation structure at B of FIG. 1 of the present utility model;

4 is a schematic diagram of the installation structure of the punch, the first transmission rod and the die of the present invention.

In the figure: 1. Support frame; 2. Transmission gear; 3. Transmission tooth; 4. Punch; 5. First transmission rod; 6. Transmission block; 7. Die; 8. Sliding rod; 9. Stripping plate ; 10, limit block; 11, top block; 12, second transmission rod; 13, rail plate; 14, sliding block; 15, driving gear; 16, motor; 17, injection tube; 18, spring; 19, telescopic rod; 20, fixed plate; 21, conveyor belt; 22, fixed rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Embodiment 1, please refer to FIGS. 1-4, the present utility model provides a technical solution: a mold clamping structure for an injection mold of a plastic shell of a power tool, including a support frame 1, an injection tube 17 and a fixing rod 22, and the support frame 1 A transmission gear 2 is rotatably connected to the left side of the upper end, the lower end of the transmission gear 2 is meshed with a transmission tooth 3, and the lower end of the transmission tooth 3 is fixedly connected with a punch 4. Through the rotation of the transmission gear 2, the transmission tooth 3 can drive the The punch 4 moves left and right, the outer side of the punch 4 is rotatably connected with a first transmission rod 5, the inner end of the first transmission rod 5 is rotatably connected with a transmission block 6, and the right end of the first transmission rod 5 is rotatably connected with a female die 7, In this way, during the movement of the punch 4, the punch 7 and the punch 4 can move towards each other at the same time through the action of the first transmission rod 5 and the transmission block 6, so as to realize the clamping process of the mould. The inner side of the upper end of the support frame 1 is fixedly connected with a rail plate 13, and the inner side of the rail plate 13 is slidably connected with a sliding block 14. For limit use, the upper end of the transmission gear 2 is meshed with a driving gear 15, and the rear side of the driving gear 15 is provided with a motor 16, which can automatically clamp the mold. A conveyor belt 21 is rotatably connected to the lower end of the inner side of the support frame 1 , which is convenient for conveying and using the demolded power tool shell and improves the production efficiency of the power tool shell.

Embodiment 2: Please refer to FIG. 1 and FIG. 3. The difference between this embodiment and Embodiment 1 is that a sliding rod 8 is slidably connected to the inner side of the female die 7 and the male die 4, and the inner end of the sliding rod 8 is fixedly connected with detachment. Template 9, the outer end of the sliding rod 8 is fixedly connected to the limit block 10, and the outer end of the limit block 10 is slidably connected with a top block 11, and the sliding rod 8 can be driven by the top block 11 to push the limit block 10. The template 9 moves to the outside, so that the power tool shell in the mold can quickly fall off. The outer sides of the top block 11 and the limit block 10 are connected with a second transmission rod 12 in rotation, which is convenient for the limit pulling of the sliding rod 8. The sliding rod The surface of 8 is covered with a spring 18, which is convenient for the movement and elastic recovery of the stripper plate 9. The outer end of the top block 11 is fixedly connected with a telescopic rod 19, and the outer end of the telescopic rod 19 is fixedly connected with a fixed plate 20, which can effectively The limit block 10 is used for top pressing and facilitates the demoulding process of the mold.

Workflow: This device uses indoor rated power supply for power supply when in use. When the power tool casing is injection molded, the driving gear 15 can drive the transmission gear 2 to rotate through the rotation of the motor 16, so that the transmission tooth 3 can drive the The punch 4 moves inward, and through the action of the first transmission rod 5, the punch 4 can drive the first transmission rod 5 to rotate when moving, so that the transmission block 6 can be lifted and lowered, and can pass through the first transmission rod. The function of 5 enables the concave mold 7 to move inwardly, so that the concave mold 7 and the convex mold 4 can be used for mold clamping at the same time, and the plastic liquid is injected between the concave mold 7 and the convex mold 4 through the set injection pipe 17, and Through the action of the provided rail plate 13 and the sliding block 14, the concave die 7 and the punch 4 can be limited, and after the inner power tool shell is cooled and formed, the concave die 7 and the punch are made by the reverse rotation of the motor 16. 4. The mold can be opened quickly, and the spring 18 can be stretched during the movement of the female mold 7 and the male mold 4, and the limit block 10 can be connected with the top block 11, so that the sliding rod 8 can drive the stripping plate 9 to move inward. , so that the power tool casings inside the punch 4 and the die 7 can be quickly demolded, and the sliding rod 8 can be pulled in a limited position through the action of the second transmission rod 12 and the telescopic rod 19. After the shell is demolded, the electric tool shell can be quickly removed by the action of the provided conveyor belt 21, which is convenient for the injection molding production of the electric tool shell, and effectively improves the production efficiency of the electric tool shell.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A mold clamping structure of an electric tool plastic shell injection mold, comprising a support frame (1), an injection tube (17) and a fixing rod (22), characterized in that: the upper end of the support frame (1) rotates on the left side A transmission gear (2) is connected, the lower end of the transmission gear (2) is meshed with a transmission clip (3), and the lower end of the transmission clip (3) is fixedly connected with a punch (4), the punch The outer side of (4) is rotatably connected with a first transmission rod (5), the inner end of the first transmission rod (5) is rotatably connected with a transmission block (6), and the right end of the first transmission rod (5) is rotatably connected with There is a concave die (7), a sliding rod (8) is slidably connected to the inner side of the concave die (7) and the male die (4), and a stripper plate (9) is fixedly connected to the inner end of the sliding rod (8). , the outer end of the sliding rod (8) is fixedly connected with a limit block (10), and the outer end of the limit block (10) is slidably connected with a top block (11), the top block (11) and the limit The outer side of the block (10) is rotatably connected with a second transmission rod (12). 2. The mold clamping structure of an electric power tool plastic casing injection mold according to claim 1, characterized in that: the inner side of the upper end of the support frame (1) is fixedly connected with a rail plate (13), and the rail plate ( A sliding block (14) is slidably connected to the inner side of 13), and the sliding block (14) is respectively fixedly connected with the male mold (4) and the female mold (7). 3. The mold clamping structure of an electric tool plastic casing injection mold according to claim 1, wherein the upper end of the transmission gear (2) is meshed with a driving gear (15), and the driving gear (15) The rear side of the ) is provided with a motor (16), the driving gear (15) is rotatably connected with the motor (16) through the output shaft, and the motor (16) is fixedly connected with the support frame (1). 4. A mold clamping structure for an electric tool plastic casing injection mold according to claim 1, characterized in that: an injection pipe (17) is sealingly connected to the upper end of the female mold (7). 5. A mold clamping structure for an electric tool plastic casing injection mold according to claim 1, characterized in that: the surface of the sliding rod (8) is covered with a spring (18). 6. The mold clamping structure of an electric tool plastic casing injection mold according to claim 1, wherein the outer end of the top block (11) is fixedly connected with a telescopic rod (19), and the telescopic rod ( The outer end of 19) is fixedly connected with a fixing plate (20), and the fixing plate (20) is fixedly connected with the support frame (1). 7. A mold clamping structure for an electric tool plastic casing injection mold according to claim 1, wherein a conveyor belt (21) is rotatably connected to the inner lower end of the support frame (1). 8. A mold clamping structure for an electric tool plastic casing injection mold according to claim 1, characterized in that: a fixed rod (22) is slidably connected to the inner side of the transmission block (6), and the fixed rod (22) ) and the support frame (1) are fixedly connected.

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