CN220864510U - Tool shell plastic mould - Google Patents

Abstract

The utility model discloses a tool shell plastic mold, which comprises a bottom plate, wherein a hydraulic cylinder is fixed above the bottom plate, a hydraulic rod is arranged above the hydraulic cylinder, a jacking block is fixed above the hydraulic rod, a mold base is arranged above the bottom plate, a lower mold is arranged above the mold base, an injection molding pipe is fixed on one side of the lower mold, a positioning hole is formed in the upper surface of the lower mold, and springs are arranged on two sides above the mold base; this instrument casing plastic mould uses through the cooperation of bottom plate, pneumatic cylinder, hydraulic stem and kicking block, after electric tool casing shaping is accomplished, rises the mould and breaks away from with the lower mould, opens the switch of pneumatic cylinder, and the drive hydraulic stem stretches out, drives the kicking block and upwards jack-ups, and the electric tool casing inside the lower mould is ejecting through the kicking block to be convenient for the device demolds fast, and the staff can take off the casing that the shaping was accomplished, makes things convenient for the device to use a lot of, has improved work efficiency.

Description

Tool shell plastic mould

Technical Field

The utility model relates to the technical field related to electric tool shells, in particular to a tool shell plastic mold.

Background

The electric tool is initially cast iron as the housing, and then aluminum alloy is used as the housing. The thermoplastic engineering plastic is applied to the electric tool in the 60 s, double insulation of the electric tool is realized, the use safety of the electric tool is guaranteed, and the electronic speed regulation electric tool is also developed in the 60 s due to the development of electronic technology. The electronic circuit is composed of thyristor and other elements, and the rotation speed is regulated by different depths of the switch button, so that the electric tool can select different rotation speeds according to different processed objects when in use, and the plastic mould is used for molding in the processing process of the electric tool shell.

However, the existing plastic mold is inconvenient to demold after the molding of the shell is completed, so that the molded shell is difficult to take out in the lower mold, the processing speed of the device is affected, and the practicability is poor.

Disclosure of utility model

The present utility model is directed to a plastic mold for a tool housing, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tool housing plastic mould, includes the bottom plate, the top of bottom plate is fixed with the pneumatic cylinder, the hydraulic stem is installed to the top of pneumatic cylinder, the top of hydraulic stem is fixed with the kicking block, the top of bottom plate is provided with the die holder, the lower mould is installed to the top of die holder, one side of lower mould is fixed with the pipe of moulding plastics, the locating hole has been seted up to the top surface of lower mould, the spring is all installed to the top both sides of die holder, the support column is installed to the top of spring, the top of support column is fixed with the limiting plate.

Preferably, the jacking block forms a lifting structure with the bottom plate through a hydraulic cylinder, and the hydraulic cylinder and the hydraulic rod are vertically distributed.

Preferably, the size of the top block is identical to the size of the lower die, and the top block is correspondingly arranged with the lower die.

Preferably, a cooling pipe is arranged below the lower die, a water inlet is arranged at one end of the cooling pipe, and a water outlet is arranged at the other end of the cooling pipe.

Preferably, the limiting plate and the die holder form a lifting structure through springs, and the springs are symmetrically arranged on the central axis of the die holder.

Preferably, an upper die is arranged below the limiting plate, and positioning rods are fixed on two sides below the limiting plate.

Preferably, the upper die conforms to the shape of the lower die, and the positioning rod corresponds to the positioning hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the tool shell plastic mold, after the electric tool shell is molded, the upper mold is lifted and separated from the lower mold, the switch of the hydraulic cylinder is opened, the hydraulic rod is driven to extend to drive the jacking block to jack up, the electric tool shell in the lower mold is pushed out through the jacking block, so that the device is convenient to rapidly demold, a worker can take down the molded shell, the device can be used for multiple times conveniently, and the working efficiency is improved;

2. According to the plastic mould for the tool shell, through the arrangement of the cooling pipe, the water inlet and the water outlet, cooling liquid can be connected into the cooling pipe through the water inlet, so that the cooling liquid circulates in the cooling pipe, the lower mould is cooled, and the forming of the electric tool shell is accelerated;

3. This instrument casing plastic mould through the setting of locating hole, spring, support column and locating lever, can cushion through the spring in last mould and the closed in-process of lower mould, reduces the impulsive force that the lower mould received, has promoted the life of device, and the locating lever runs through the inside in locating hole, can ensure the closed accuracy of last mould and lower mould, and then has improved machining precision.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the top block of the present utility model;

FIG. 3 is a schematic view of the lower die of the present utility model;

FIG. 4 is a schematic view of a cooling tube according to the present utility model;

Fig. 5 is a schematic structural view of the upper die of the present utility model.

In the figure: 1. a bottom plate; 2. a hydraulic cylinder; 3. a hydraulic rod; 4. a top block; 5. a die holder; 6. a lower die; 7. injection molding a tube; 8. a cooling tube; 9. a water inlet; 10. a water outlet; 11. positioning holes; 12. a spring; 13. a support column; 14. a limiting plate; 15. an upper die; 16. and a positioning rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a tool housing plastic mould, including bottom plate 1, the top of bottom plate 1 is fixed with pneumatic cylinder 2, hydraulic stem 3 is installed to the top of pneumatic cylinder 2, the top of hydraulic stem 3 is fixed with kicking block 4, kicking block 4 forms elevation structure through pneumatic cylinder 2 and bottom plate 1, pneumatic cylinder 2 and hydraulic stem 3 are perpendicular distribution, after the shaping of electric tool housing is accomplished, lift up upper mould 15 and lower mould 6 break away from, open the switch of pneumatic cylinder 2, drive hydraulic stem 3 stretches out, drive kicking block 4 jack-up upwards, push out the electric tool housing of lower mould 6 inside through kicking block 4, thereby the device of being convenient for demold fast, the size of kicking block 4 coincides with the size of lower mould 6, the ejector block 4 is arranged corresponding to the lower die 6, after the ejector block 4 ejects the shell, a worker can take down the formed shell, the device is convenient to use for a plurality of times, the working efficiency is improved, the die holder 5 is arranged above the bottom plate 1, the lower die 6 is arranged above the die holder 5, an injection molding pipe 7 is fixed on one side of the lower die 6, a cooling pipe 8 is arranged below the lower die 6, a water inlet 9 is arranged at one end of the cooling pipe 8, a water outlet 10 is arranged at the other end of the cooling pipe 8, and cooling liquid can be connected into the cooling pipe through the water inlet 9, so that the cooling liquid circulates in the cooling pipe 8, the lower die 6 is cooled, and the forming of the shell of the electric tool is accelerated;

Referring to fig. 3 and 5, a positioning hole 11 is formed in the upper surface of the lower die 6, springs 12 are mounted on two sides above the die holder 5, supporting columns 13 are mounted above the springs 12, limiting plates 14 are fixed above the supporting columns 13, the limiting plates 14 and the die holder 5 form a lifting structure through the springs 12, the springs 12 are symmetrically arranged with the central axis of the die holder 5, buffering can be performed through the springs 12 in the process of closing the upper die 15 and the lower die 6, impact force received by the lower die 6 is reduced, and the service life of the device is prolonged;

Referring to fig. 5, an upper die 15 is installed below the limiting plate 14, positioning rods 16 are fixed on two sides below the limiting plate 14, the positioning rods 16 penetrate into the positioning holes 11, the accuracy of closing the upper die 15 and the lower die 6 can be ensured, further, the machining accuracy is improved, the upper die 15 corresponds to the shape of the lower die 6, the positioning rods 16 correspond to the positioning holes 11, and after the upper die 15 and the lower die 6 are closed, plastic is injected into the lower die 6 through the injection tube 7, so that the plastic is convenient to plastic.

Working principle: when the plastic mold for the tool shell is used, an external power supply is firstly connected, then the driving device drives the upper mold 15 to press downwards, so that the upper mold 15 and the lower mold 6 are closed, buffering can be carried out through the spring 12, the impact force received by the lower mold 6 is reduced, the positioning rod 16 penetrates into the positioning hole 11, the accuracy of closing the upper mold 15 and the lower mold 6 can be ensured, plastic is injected into the lower mold 6 through the injection molding pipe 7, plastic is plastic, then cooling liquid is connected into the cooling pipe 8 through the water inlet 9, the cooling liquid circulates in the cooling pipe 8, the lower mold 6 is cooled, finally the upper mold 15 is lifted and separated from the lower mold 6, the switch of the hydraulic cylinder 2 is opened, the hydraulic rod 3 is driven to stretch out, the ejector block 4 is driven to jack up, the electric tool shell in the lower mold 6 is ejected out through the ejector block 4, the external power supply of the device is cut off when the device is not used, the model of the hydraulic rod 3 is CDM 25, and thus the use process of the plastic mold for the tool shell is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Tool housing plastic mould, including bottom plate (1), its characterized in that: the top of bottom plate (1) is fixed with pneumatic cylinder (2), hydraulic stem (3) are installed to the top of pneumatic cylinder (2), the top of hydraulic stem (3) is fixed with kicking block (4), the top of bottom plate (1) is provided with die holder (5), lower mould (6) are installed to the top of die holder (5), one side of lower mould (6) is fixed with injection molding pipe (7), locating hole (11) have been seted up on the top surface of lower mould (6), spring (12) are all installed to the top both sides of die holder (5), support column (13) are installed to the top of spring (12), the top of support column (13) is fixed with limiting plate (14).

2. The tool housing plastic mold according to claim 1, wherein the top block (4) and the bottom plate (1) form a lifting structure through a hydraulic cylinder (2), and the hydraulic cylinder (2) and the hydraulic rod (3) are vertically distributed.

3. The tool housing plastic mold according to claim 1, wherein the top block (4) has a size matching the size of the lower mold (6), and the top block (4) is disposed corresponding to the lower mold (6).

4. A tool housing plastic mould according to claim 1, characterized in that a cooling pipe (8) is arranged below the lower mould (6), a water inlet (9) is arranged at one end of the cooling pipe (8), and a water outlet (10) is arranged at the other end of the cooling pipe (8).

5. The tool housing plastic mold according to claim 1, wherein the limiting plate (14) and the mold base (5) form a lifting structure through a spring (12), and the spring (12) is symmetrically arranged with a central axis of the mold base (5).

6. A tool housing plastic mould according to claim 1, characterized in that an upper mould (15) is arranged below the limiting plate (14), and positioning rods (16) are fixed on both sides below the limiting plate (14).

7. A tool housing plastic mould according to claim 6, characterized in that the upper mould (15) corresponds to the shape of the lower mould (6), and the positioning rod (16) corresponds to the positioning hole (11).