CN213317596U

CN213317596U - Die casting die of electric tool shell

Info

Publication number: CN213317596U
Application number: CN202022156979.5U
Authority: CN
Inventors: 方经明
Original assignee: Yijiayi Suzhou Precision Molding Co ltd
Current assignee: Yijiayi Suzhou Precision Molding Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-01
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a die casting die for an electric tool shell, which comprises a workbench and a die casting structure; a workbench: supporting legs are symmetrically arranged at four corners of the lower surface of the workbench, a fixed plate is arranged on the rear side of the upper surface of the workbench, a motor is arranged at the top end of the rear side surface of the fixed plate, an L-shaped plate is arranged on the right side of the upper surface of the workbench, supporting plates which are uniformly and vertically distributed are arranged inside the L-shaped plate, guide holes which are uniformly distributed are formed in the middle of each supporting plate, a mold box is arranged on the upper surface of the workbench, the top end of the mold box is of an open structure, injection molding holes are formed in the front side surface of the mold; die-casting structure: including pushing down the subassembly and supporting damper, push down the subassembly and set up in the leading flank of fixed plate, support damper bilateral symmetry and set up in the upper surface of workstation, this electric tool shell's die casting die increases the compactness between the shaping material, lasts at the die-casting in-process and exerts pressure to the shaping material.

Description

Die casting die of electric tool shell

Technical Field

The utility model relates to a die casting die technical field specifically is a die casting die of electric tool shell.

Background

The die-casting die is a tool for casting metal parts, and a tool for completing a die-casting process on a special die-casting die forging machine, and the basic process of die-casting comprises the following steps: the metal liquid is cast at low speed or high speed and filled into the cavity of the die, the die is provided with a movable cavity surface, the metal liquid is pressed and forged along with the cooling process of the metal liquid, the defects of shrinkage cavity and shrinkage porosity of a blank are eliminated, the internal structure of the blank reaches broken crystal grains in a forging state, the comprehensive mechanical property of the blank is obviously improved, the gap between the forming materials can be minimized in the process of die-casting the forming materials, and the key for improving the quality of finished products is that the existing die-casting die of the shell of the electric tool cannot provide stable downward pressure, cannot increase the tightness between the forming materials, cannot continuously apply pressure on the forming materials in the die-casting process, influences the quality of the finished products, cannot slow down the tension when the lifting plate moves downwards, cannot provide stable support, reduces the reliability of the device, and is inconvenient for taking out the die-cast finished products, the operation of personnel is inconvenient, so the realization of the die-casting die of the shell of the electric tool for solving the problems is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a die casting die of electric tool shell, increase the compactness between the profiled material, last exerting pressure to the profiled material at the die-casting in-process, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a die-casting die for a shell of an electric tool comprises a workbench and a die-casting structure;

a workbench: supporting legs are symmetrically arranged at four corners of the lower surface of the workbench, a fixed plate is arranged on the rear side of the upper surface of the workbench, a motor is arranged at the top end of the rear side surface of the fixed plate, an L-shaped plate is arranged on the right side of the upper surface of the workbench, supporting plates which are uniformly and vertically distributed are arranged inside the L-shaped plate, guide holes which are uniformly distributed are formed in the middle of each supporting plate, a mold box is arranged on the upper surface of the workbench, the top end of the mold box is of an open structure, injection molding holes are formed in the front side surface of the mold;

die-casting structure: the device comprises a pressing component and supporting and damping components, wherein the pressing component is arranged on the front side surface of a fixed plate, the supporting and damping components are arranged on the upper surface of a workbench in a bilateral symmetry manner, the supporting and damping components are fixedly connected with the pressing component, and the front end head of an output shaft of a motor is fixedly connected with the rear side surface of the pressing component;

wherein: still include the control switch group, the upper surface of workstation is arranged in to the control switch group, and external power source is connected to the input electricity of control switch group, and the output of control switch group is connected to the input electricity of motor, provides stable holding down force, increases the compactness between the shaping material, lasts to exerting pressure to the shaping material at the die-casting in-process, improves off-the-shelf quality, slows down the pulling force when the lifter plate moves down, provides stable support, increases the reliability of device, is convenient for take out the finished product of die-casting, makes things convenient for personnel's operation.

Further, the subassembly of pushing down includes cam, T-slot, slide bar, gyro wheel, U-shaped frame and lifter plate, the output shaft of motor passes the through-hole of fixed plate trailing flank and is equipped with the cam in front end department, and the leading flank of fixed plate is equipped with the T-slot of bilateral symmetry vertical distribution, and the equal sliding connection in inside in T-slot has the slide bar, the leading end of slide bar all with the trailing flank fixed connection of lifter plate, the upper surface of lifter plate is equipped with the U-shaped frame, and the inside of U-shaped frame is connected with the gyro wheel through the pin rotation, and the extrados of gyro wheel contacts with the extrados of cam, provides stable holding down force, increases the compactness between the shaping material.

Furthermore, the pressing assembly further comprises a first spring and a pressure plate, the upper surface of the pressure plate is fixedly connected with the lower surface of the lifting plate through the first springs which are uniformly distributed, the pressure plate corresponds to the sliding plate in position, pressure is continuously applied to the molding material in the die-casting process, and the quality of a finished product is improved.

Further, support damper assembly and include spring two, elevator and electric putter, electric putter bilateral symmetry sets up in the upper surface of workstation, and electric putter's flexible end upper end department all is equipped with the elevator, and the upper surface of elevator all is connected with the lower fixed surface of lifter plate through the spring two that correspond, and electric putter's input electricity connection control switch group's output slows down the pulling force when the lifter plate moves down, provides stable support, increases the reliability of device.

Furthermore, handles which are symmetrically and transversely distributed are arranged on the upper surface of the sliding plate in a front-back manner, so that the die-cast finished product can be conveniently taken out, and the operation of personnel is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that: this die casting die of electric tool shell has following benefit:

the motor is controlled to start corotation through the control switch group, the motor drives the cam to start anticlockwise rotation, the outer arc surface of the cam is in contact with the outer arc surface of the roller, the through hole in the cam is rotationally connected with the front side wall and the rear side wall of the U-shaped frame through the pin, the inner parts of the T-shaped grooves are in sliding connection with the corresponding sliding rods, so that the sliding rods are driven to slide downwards in the corresponding T-shaped grooves under the anticlockwise rotation of the cam, the lifting plate is driven to start to move downwards, meanwhile, the electric push rod is controlled to start to contract through the control switch group, the contraction speed of the electric push rod is kept consistent with the descending speed of the lifting plate, the vibration of the lifting plate is reduced through a second spring between the upper surface of the lifting block and the lower surface of the lifting plate, when the lower surface of the pressure plate is tightly attached to the upper surface of the sliding, the sliding plate is moved downwards to the bottom end inside the die box, the control switch group controls the motor and the electric push rod to stop running at the same time, the spring II is in a compression state at the moment, and the spring II continuously applies pressure to the molding material in the die-casting process, so that the molding effect is improved, the molding speed of the molding material is increased, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the die-casting structure diagram of the present invention.

In the figure: 1 workbench, 2L-shaped plates, 3 supporting plates, 4 diversion holes, 5 motors, 6 fixing plates, 7 die-casting structures, 71 pressing-down assemblies, 711 cams, 712T-shaped grooves, 713 sliding rods, 714 rollers, 715U-shaped frames, 716 lifting plates, 717 spring I, 718 pressure plates, 72 supporting damping assemblies, 721 spring II, 722 lifting blocks, 723 electric push rods, 8 control switch sets, 9 mold boxes, 10 injection molding holes, 11 sliding plates, 12 supporting legs and 13 handles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a die-casting die for a shell of an electric tool comprises a workbench 1 and a die-casting structure 7;

a workbench 1: supporting legs 12 are symmetrically arranged at four corners of the lower surface of the electric tool, a fixed plate 6 is arranged at the rear side of the upper surface of a workbench 1, a motor 5 is arranged at the top end of the rear side surface of the fixed plate 6, an L-shaped plate 2 is arranged at the right side of the upper surface of the workbench 1, supporting plates 3 which are uniformly and vertically distributed are arranged inside the L-shaped plate 2, flow guide holes 4 which are uniformly distributed are arranged in the middle of each supporting plate 3, a mold box 9 is arranged on the upper surface of the workbench 1, the top end of the mold box 9 is of an open structure, an injection molding hole 10 is arranged on the front side surface of the mold box 9, a sliding plate 11 is slidably connected inside the mold box 9, the workbench 1 is placed on a horizontal working ground by using the supporting legs 12, when the electric tool shell needs to be subjected to die-casting, the sliding plate 11 is firstly pulled upwards, a proper amount of molding materials are added into the, the air cools the electric tool housing again through the diversion hole 4 and forms, and the L-shaped plate 2 plays a role of fixing and supporting;

die-casting structure 7: the lifting device comprises a downward pressing component 71 and a supporting and damping component 72, wherein the downward pressing component 71 is arranged on the front side surface of a fixing plate 6, the supporting and damping components 72 are symmetrically arranged on the upper surface of a workbench 1 from left to right, the supporting and damping components 72 are fixedly connected with the downward pressing component 71, the front end of an output shaft of a motor 5 is fixedly connected with the rear side surface of the downward pressing component 71, the downward pressing component 71 comprises a cam 711, a T-shaped groove 712, a sliding rod 713, a roller 714, a U-shaped frame 715 and a lifting plate 716, the output shaft of the motor 5 penetrates through a through hole on the rear side surface of the fixing plate 6, the cam 711 is arranged at the front end, the T-shaped groove 712 which is vertically distributed from left to right is arranged on the front side surface of the fixing plate 6, the sliding rod 713 is slidably connected inside the T-shaped groove 712, the front end of the sliding rod 713 is fixedly connected with the rear side surface of the lifting plate 716, the outer arc surface of the roller 714 contacts with the outer arc surface of the cam 711, the pressing component 71 further comprises a first spring 717 and a pressure plate 718, the upper surface of the pressure plate 718 is fixedly connected with the lower surface of the lifting plate 716 through the first uniformly distributed springs 717, the pressure plate 718 corresponds to the position of the sliding plate 11, the supporting and damping component 72 comprises a second spring 721, a lifting block 722 and an electric push rod 723, the electric push rod 723 is arranged on the upper surface of the workbench 1 in a bilateral symmetry manner, the lifting block 722 is arranged at the upper end of the telescopic end of the electric push rod 723, the upper surface of the lifting block 722 is fixedly connected with the lower surface of the lifting plate 716 through the corresponding second spring 721, the motor 5 is controlled to start to rotate forwards, the motor 5 drives the cam 711 to start to rotate anticlockwise, due to the fact that the outer arc surface of the cam 711 contacts with the outer arc surface of the roller 714, through holes inside the cam are rotatably connected with the front and rear side walls of the U-, thus, upon the counterclockwise rotation of the cam 711, the slide bar 713 is brought to slide downward in the corresponding T-shaped groove 712, thereby driving the lifting plate 716 to move downwards, controlling the electric push rod 723 to contract at the same time, keeping the contraction speed of the electric push rod 723 consistent with the descending speed of the lifting plate 716, the second spring 721 between the upper surface of the lifting block 722 and the lower surface of the lifting plate 716 reduces the vibration of the lifting plate 716, when the lower surface of the pressure plate 718 is closely attached to the upper surface of the sliding plate 11, the motor 5 is continuously controlled to operate, so that the sliding plate 11 performs die-casting on the molding materials, no gap exists between the molding materials, when the sliding plate 11 moves downwards to the bottom end in the die box 9, the control motor 5 and the electric push rod 723 stop running at the same time, the second spring 717 is in a compressed state, and the second spring 717 continuously applies pressure in the process of die-casting the molding material;

wherein: the lifting platform further comprises a control switch group 8, the control switch group 8 is arranged on the upper surface of the working platform 1, an input end of the control switch group 8 is electrically connected with an external power supply, input ends of the motor 5 and the electric push rod 723 are electrically connected with an output end of the control switch group 8, the motor 5 provides stable downward pressure, and the electric push rod 723 provides stable support and stable downward movement for the lifting plate 716.

Wherein: handles 13 which are symmetrically and transversely distributed in the front-back direction are arranged on the upper surface of the sliding plate 11, and the positions of the sliding plate 11 in the die box 9 are controlled by pulling the handles 13, so that the operation of personnel is facilitated.

When in use: the workbench 1 is placed on a horizontal working ground by utilizing the supporting legs 12, when the shell of the electric tool needs to be subjected to die-casting processing, firstly, the handle 13 is utilized to pull the sliding plate 11 upwards, molding materials are properly added into the die box 9 through the injection molding holes 10, after the addition is finished, the injection molding holes 10 are temporarily blocked by utilizing external equipment, the handle 13 is loosened, the fixing plate 6 plays a role of stable support, the motor 5 is controlled to start to rotate forwards by the control switch group 8, the motor 5 drives the cam 711 to start to rotate anticlockwise, because the outer arc surface of the cam 711 is contacted with the outer arc surface of the roller 714, the through hole in the cam 711 is rotationally connected with the front and rear side walls of the U-shaped frame through pins, the T-shaped grooves 712 are internally and slidably connected with the corresponding sliding rods 713, therefore, under the anticlockwise rotation of the cam 711, the sliding rods 713 are driven to slide downwards in the corresponding T-shaped grooves 712, meanwhile, the control switch group 8 controls the electric push rod 723 to start to contract, the contraction speed of the electric push rod 723 is kept consistent with the descending speed of the lifting plate 716, the vibration of the lifting plate 716 is relieved through the spring II 721 between the upper surface of the lifting block 722 and the lower surface of the lifting plate 716, when the lower surface of the pressure plate 718 is tightly attached to the upper surface of the sliding plate 11, the motor 5 is continuously controlled to operate, the sliding plate 11 is used for die-casting the molding material, no gap exists between the molding material, when the sliding plate 11 moves downwards to the bottom end in the die box 9, the motor 5 and the electric push rod are controlled to stop operating simultaneously through the control switch group 8, the spring II 717 is in a compression state, the spring II 717 continuously applies pressure to the molding material in the die-casting process, the molding effect is improved, after the molding material is cooled and molded, the motor 5 is controlled to start to rotate reversely through the control switch group 8, the electric push rod 723 is controlled to start to extend, the pressing of the pressure plate 718 on the sliding plate 11 is cancelled until the formed electric tool shell can be smoothly taken out of the interior of the die box 9, the spring second 721 is always kept in an initial state in the extending and contracting processes of the electric push rod 723, the lifting of the pressure plate 718 is not affected, at the moment, the sliding plate 11 is taken out of the die box 9 through the handle 13, the formed electric tool shell is taken out of the interior of the die box 9, the sliding plate 11 is connected with the interior of the die box 9 in a sliding mode after the sliding plate is taken out, the die-cast electric tool shell is placed between the two supporting plates 3, air cools and forms the electric tool shell again through the flow guide holes 4, the L-shaped plate 2 plays a role in fixed support, and the die-casting processing of the next electric tool shell.

It is to be noted that the electric push rod 723 disclosed in the present embodiment may be an electric push rod of CU2, manufactured by smart technologies of birds on the fly (shanghai), the motor 5 may be a motor of 5IK150RGU-CMF, manufactured by wilpont electromechanical ltd, guan, and the control switch group 8 controls the motor 5 and the electric push rod 723 to operate by methods commonly used in the prior art.

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

Claims

1. The utility model provides a die casting die of electric tool shell which characterized in that: comprises a workbench (1) and a die-casting structure (7);

table (1): supporting legs (12) are symmetrically arranged at four corners of the lower surface of the workbench (1), a fixing plate (6) is arranged on the rear side of the upper surface of the workbench (1), a motor (5) is arranged at the top end of the rear side surface of the fixing plate (6), an L-shaped plate (2) is arranged on the right side of the upper surface of the workbench (1), supporting plates (3) which are uniformly and vertically distributed are arranged inside the L-shaped plate (2), uniformly-distributed flow guide holes (4) are formed in the middle of each supporting plate (3), a mold box (9) is arranged on the upper surface of the workbench (1), the top end of the mold box (9) is of an open structure, injection molding holes (10) are formed in the front side surface of the mold box (9);

die-cast structure (7): the device comprises a pressing component (71) and a supporting and damping component (72), wherein the pressing component (71) is arranged on the front side surface of a fixing plate (6), the supporting and damping component (72) is arranged on the upper surface of a workbench (1) in a bilateral symmetry manner, the supporting and damping component (72) is fixedly connected with the pressing component (71), and the front end head of an output shaft of a motor (5) is fixedly connected with the rear side surface of the pressing component (71);

wherein: still include control switch group (8), control switch group (8) set up in the upper surface of workstation (1), and external power source is connected to the input electricity of control switch group (8), and the output of control switch group (8) is connected to the input electricity of motor (5).

2. A die casting mold for a housing of a power tool as claimed in claim 1, wherein: push down subassembly (71) and include cam (711), T-slot (712), slide bar (713), gyro wheel (714), U-shaped frame (715) and lifter plate (716), the output shaft of motor (5) passes the through-hole of fixed plate (6) trailing flank and is equipped with cam (711) in front end department, the leading flank of fixed plate (6) is equipped with bilateral symmetry vertical distribution's T-slot (712), the equal sliding connection in inside of T-slot (712) has slide bar (713), the front end of slide bar (713) all with the trailing flank fixed connection of lifter plate (716), the upper surface of lifter plate (716) is equipped with U-shaped frame (715), the inside of U-shaped frame (715) is connected with gyro wheel (714) through the pin rotation, the extrados of gyro wheel (714) contacts with the extrados of cam (711).

3. A die casting mold for a housing of a power tool as claimed in claim 2, wherein: the pressing assembly (71) further comprises a first spring (717) and a pressure plate (718), the upper surface of the pressure plate (718) is fixedly connected with the lower surface of the lifting plate (716) through the first uniformly distributed springs (717), and the position of the pressure plate (718) corresponds to that of the sliding plate (11).

4. A die casting mold for a housing of a power tool as claimed in claim 2, wherein: the supporting and damping assembly (72) comprises a second spring (721), a lifting block (722) and an electric push rod (723), the electric push rod (723) is arranged on the upper surface of the workbench (1) in a bilateral symmetry mode, the upper end of the telescopic end of the electric push rod (723) is provided with the lifting block (722), the upper surface of the lifting block (722) is fixedly connected with the lower surface of the lifting plate (716) through the second spring (721) corresponding to the upper surface of the lifting block, and the input end of the electric push rod (723) is electrically connected with the output end of the control switch group (8).

5. A die casting mold for a housing of a power tool as claimed in claim 1, wherein: the upper surface of the sliding plate (11) is provided with handles (13) which are symmetrically distributed transversely in a front-back manner.