CN219133124U

CN219133124U - Quick demoulding structure of electric motor car functional structure plastic part

Info

Publication number: CN219133124U
Application number: CN202223477875.XU
Authority: CN
Inventors: 徐启荣
Original assignee: Taizhou Broad Vehicle Co ltd
Current assignee: Taizhou Broad Vehicle Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-06
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a quick demoulding structure of a plastic part of an electric vehicle functional structure, which comprises a lower mould, wherein telescopic rods are arranged at the edges of the left side and the right side of the top of the lower mould, a top plate is fixed at the top of the telescopic rods, and an upper mould is arranged at the bottom of the top plate; further comprises: the bottom of the upper die is symmetrically fixed with a positioning column, the bottom of the positioning column is connected in a chute, the chute is symmetrically arranged at the top of the lower die, a die cavity is arranged in the middle of the top surface of the lower die, and the bottom of the die cavity is connected with a stripper plate; the front side and the rear side of the lower die are respectively connected with an all-gear, the shaft part of the all-gear is sleeved with a knocking plate, and the middle part of the knocking plate, which is positioned at the front side and the rear side of the lower die, is provided with a plurality of bearings. This quick drawing of patterns structure of electric motor car function structure plastic part can carry out complete quick drawing of patterns with the plastic part through the upward movement of stripper plate, and the striking of cooperation striking board can make the lower mould produce the vibration, and then reduces the resistance when drawing of patterns to improve the efficiency of drawing of patterns.

Description

Quick demoulding structure of electric motor car functional structure plastic part

Technical Field

The utility model relates to the technical field of demoulding structures, in particular to a rapid demoulding structure for a plastic part of an electric vehicle functional structure.

Background

In the processing process of the electric vehicle, the electric vehicle is composed of various parts, a steel frame mechanism of the main body supports the whole body, and then structural plastic parts such as handles, pedals, carriages and shells of the electric vehicle are processed by adopting an injection mold, and the structural plastic parts are required to be subjected to demolding treatment after injection molding, so that a demolding structure is used;

after injection molding, the corresponding combination and sealing of the upper die, the side die assembly and the bottom die are realized through the rotation of a first driving motor and a third driving motor, the feeding hole above the upper die is used for guiding materials, the second screw rod is driven to rotate through the rotation of the third driving motor after the material guiding is completed, the first screw rod is driven to rotate through the rotation of the first driving motor, so that the first connecting block drives the first U-shaped plate to move correspondingly upwards, the side plate assembly realizes the corresponding upward movement, the electric telescopic rods at four corners are used for extending, and meanwhile, the two second electric telescopic rods are used for contracting, so that the four side plates are correspondingly expanded, and the effect of demolding is achieved;

however, in the using process of the scheme, the upper die and the side die are required to be moved and expanded step by step, and then the molded plastic part is taken out, so that the scheme is complicated and time-consuming, and is inconvenient to rapidly demould.

So we propose the quick demoulding structure of the plastic part of the electric vehicle functional structure, so as to solve the problems mentioned above.

Disclosure of Invention

The utility model aims to provide a quick demoulding structure for a plastic part of an electric vehicle functional structure, which aims to solve the problems that in the existing demoulding structure in the market, which is proposed by the background technology, in the use process, an upper mould and a side mould are required to be moved and expanded step by step, and then the formed plastic part is taken out, so that the quick demoulding is complicated and time-consuming, and is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the quick demoulding structure of the plastic part of the electric vehicle functional structure comprises a lower mould, wherein the left side edge and the right side edge of the top of the lower mould are provided with telescopic rods, the top of each telescopic rod is fixedly provided with a top plate, and the bottom of each top plate is provided with an upper mould;

further comprises:

the bottom of the upper die is symmetrically fixed with a positioning column, the bottom of the positioning column is connected in a chute, the chute is symmetrically arranged at the top of the lower die, a die cavity is arranged in the middle of the top surface of the lower die, and the bottom of the die cavity is connected with a stripper plate;

the front side and the rear side of the lower die are respectively connected with an all-gear, the shaft part of the all-gear is sleeved with a knocking plate, and the middle part of the knocking plate, which is positioned at the front side and the rear side of the lower die, is provided with a plurality of bearings.

Preferably, the locating column corresponds to the position of the chute, a first pull rope is fixed at the bottom of the locating column, the bottom of the first pull rope is wound on the left side and the right side of the cross rod, the cross rod penetrates through the bearing to be connected to the inner side of the bottom of the lower die, and meanwhile, a first torsion spring is installed between the cross rod and the lower die, so that the locating column can pull the first pull rope after moving upwards in the chute, and then the cross rod is driven to rotate, and the first torsion spring is reversed.

Preferably, the cross rod forms an elastic rotating structure through the first stay cord and the first torsion spring, the middle part of the cross rod is connected with the screw rod through the bevel gear connecting piece, the screw rod bearing is connected to the middle part of the inner side of the lower die, the top thread of the screw rod is connected with the stripper plate, and meanwhile, the top of the stripper plate is connected to the bottom of the inner side of the die cavity in a penetrating manner, so that the cross rod can drive the screw rod to rotate through the bevel gear connecting piece after rotating, and the screw rod can drive the stripper plate to move in the die cavity.

Preferably, the stripper plate forms an up-down sliding structure between the screw and the die cavity, the top of the stripper plate is attached to the inner wall of the die cavity, and the whole stripper plate is in a T-shaped structure, so that the molded plastic part can be pushed out after the stripper plate moves.

Preferably, the left and right sides of horizontal pole all is connected with the second stay cord, and the tip of second stay cord is connected with the half gear of front and back side respectively to half gear bearing connects in the outside front and back side of lower mould, installs the second torsional spring between half gear and the lower mould moreover for can also pull the second stay cord when horizontal pole rotates, the second stay cord will drive the half gear rotation, will reverse to the second torsional spring after the half gear rotation.

Preferably, the outside meshing of half gear is connected with full gear, and is connected with the third torsional spring between full gear and the lower mould to full gear constitutes reciprocal revolution mechanic through half gear and third torsional spring, makes half gear rotate the back and can drive full gear rotation, can reverse to the third torsional spring after full gear rotates.

Preferably, the motion state of the all gear and the knocking plate is consistent, the knocking plate and the all gear are eccentrically connected, and the length of the knocking plate is larger than the distance from the knocking plate to the outer wall of the lower die, so that the all gear can reciprocate under the cooperation of the half gear and the third torsion spring, and then the knocking plate is driven to reciprocate.

Compared with the prior art, the quick demoulding structure for the plastic part of the electric vehicle functional structure has the beneficial effects that: during the drawing of patterns, the reference column drives the horizontal pole through first stay cord and rotates, and the horizontal pole drives the screw rod and rotates to make the stripper plate shift up in the die cavity, and then with the automatic ejecting of fashioned plastic part, during the ejecting simultaneously, the knocking board of front and back side can produce the vibration to lower membrane striking, further improves the efficiency of drawing of patterns, and specific content is as follows:

1. the first stay rope is pulled after the locating column moves upwards in the chute, the first stay rope drives the cross rod at the bottom to rotate, the cross rod rotates to reverse the first torsion spring, the cross rod rotates and drives the screw rod to rotate through the bevel gear connecting piece at the middle part, the screw rod rotates to drive the stripper plate to move upwards in the die cavity, the plastic part is rapidly ejected out, the locating column moves downwards in the chute during injection molding again, the first stay rope is loosened, the first torsion spring drives the cross rod to rotate, and therefore the screw rod drives the stripper plate to move downwards in the die cavity to reset, and injection molding work is facilitated;

2. the cross rod through setting up can rotate through the half gear of second stay cord drive front and back side after rotating, will reverse to the second torsional spring after half gear rotates, and will intermittent type nature mesh with all-gear after half gear rotates, and then drive all-gear rotation to reverse to the third torsional spring, half gear and all-gear dislocation back, the third torsional spring can drive all-gear gyration again, and then makes all-gear reciprocal rotation, and all-gear will drive and strike the synchronous rotation of board, thereby strike the lower mould, the plastic part of being convenient for separates with the lower mould.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-section structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic top view of a striking plate according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;

FIG. 5 is a schematic diagram of the side view of the connection of the half gear, the full gear and the striking plate of the present utility model.

In the figure: 1. a lower die; 2. a telescopic rod; 3. a top plate; 4. an upper die; 5. positioning columns; 6. a chute; 7. a first pull rope; 8. a cross bar; 9. a first torsion spring; 10. a screw; 11. removing the template; 12. a mold cavity; 13. a second pull rope; 14. a half gear; 15. a second torsion spring; 16. all-gear; 17. a third torsion spring; 18. the striking plate.

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. 1-5, the present utility model provides a technical solution: the quick demoulding structure of the electric vehicle functional structure plastic part comprises a lower mould 1, wherein the left side edge and the right side edge of the top of the lower mould 1 are provided with telescopic rods 2, the top of each telescopic rod 2 is fixedly provided with a top plate 3, and the bottom of each top plate 3 is provided with an upper mould 4, as shown in figure 1, when the quick demoulding structure is used, the telescopic rods 2 drive the top plates 3 to move downwards, the top plates 3 can drive the upper moulds 4 and the lower moulds 1 to be closed after moving downwards, positioning columns 5 move downwards in sliding grooves 6, injection moulding is carried out, and demoulding is carried out after the electric vehicle structural plastic part is cooled and formed;

the bottom of the upper die 4 is symmetrically fixed with a positioning column 5, the bottom of the positioning column 5 is connected to a chute 6, the chute 6 is symmetrically arranged at the top of the lower die 1, the positioning column 5 is correspondingly arranged with the chute 6, the bottom of the positioning column 5 is fixed with a first pull rope 7, the bottom of the first pull rope 7 is wound on the left side and the right side of a cross rod 8, the cross rod 8 penetrates through bearings and is connected to the inner side of the bottom of the lower die 1, meanwhile, a first torsion spring 9 is arranged between the cross rod 8 and the lower die 1, as shown in fig. 1-4, during demolding, the telescopic rod 2 drives the top plate 3 and the upper die 4 to move upwards, the upper die 4 drives the positioning column 5 at the bottom to synchronously move upwards in the chute 6, the first pull rope 7 is pulled when the positioning column 5 moves upwards, the first pull rope 7 drives the cross rod 8 at the bottom to rotate, and the first torsion spring 9 at the end part is reversed after the cross rod 8 rotates;

the middle part of the top surface of the lower die 1 is provided with a die cavity 12, the bottom of the die cavity 12 is connected with a stripper plate 11, the cross rod 8 forms an elastic rotating structure through a first pull rope 7 and a first torsion spring 9, the middle part of the cross rod 8 is connected with a screw rod 10 through a bevel connection piece, the screw rod 10 is connected with the middle part of the inner side of the lower die 1 in a bearing manner, the top of the screw rod 10 is in threaded connection with the stripper plate 11, meanwhile, the top of the stripper plate 11 is connected with the bottom of the inner side of the die cavity 12 in a penetrating manner, the stripper plate 11 forms an up-down sliding structure through the screw rod 10 and the die cavity 12, the top of the stripper plate 11 is attached to the inner wall of the die cavity 12, the whole stripper plate 11 is in a T-shaped structure, as shown in fig. 1-4, the cross rod 8 rotates to drive the screw rod 10 to synchronously rotate through the bevel connection piece in the middle part, the screw rod 10 rotates to drive the stripper plate 11 to move upwards in the die cavity 12, and then automatically push out a molded plastic piece in the die cavity 12, the die cavity is fast and convenient, when the lower die is used, the upper die 4 moves downwards to be closed with the lower die 1, the first torsion spring 7 drives the cross rod 8 to rotate, and then the cross rod 8 rotates to drive the lower die 11 to synchronously rotate, and then the die cavity 11 is conveniently and the lower die 11 is retracted;

the front and back sides of the lower die 1 are respectively connected with a full gear 16 in a bearing way, the shaft part of the full gear 16 is sleeved with a knocking plate 18, the middle part of the knocking plate 18, which is positioned at the front and back sides of the lower die 1, is connected with a second pull rope 13 at the left and right sides of the cross rod 8, the end parts of the second pull rope 13 are respectively connected with half gears 14 at the front and back sides, the half gears 14 are respectively connected at the front and back sides of the outside of the lower die 1 in a bearing way, a second torsion spring 15 is arranged between the half gears 14 and the lower die 1, the outer sides of the half gears 14 are in meshed connection with the full gear 16, a third torsion spring 17 is connected between the full gear 16 and the lower die 1, the full gear 16 forms a reciprocating rotation structure through the half gears 14 and the third torsion spring 17, the motion states of the full gear 16 and the knocking plate 18 are consistent, the knocking plate 18 and the full gear 16 are in eccentric connection, and the length of the knocking plate 18 is longer than the distance between the knocking plate 18 and the outer wall of the lower die 1, as shown in fig. 1-5, during demolding, the second pull rope 13 is pulled when the cross rod 8 rotates, the second pull rope 13 drives the front and rear half gears 14 to rotate, the half gears 14 rotate and then reverse the second torsion springs 15, the half gears 14 intermittently mesh with the outer full gears 16 when rotating, the full gears 16 are driven to rotate and further reverse the third torsion springs 17, when the half gears 14 are not meshed with the full gears 16, the third torsion springs 17 drive the full gears 16 to rotate, and then the full gears 16 reciprocate, the knocking plates 18 are driven to synchronously swing after the full gears 16 rotate, the knocking plates 18 impact the lower die 1, so that the lower die 1 vibrates, a plastic part is convenient to separate from the lower die 1, demolding efficiency is improved, and when the cross rod 8 rotates, the second stay cord 13 is loosened, and the second torsion spring 15 can drive the half gear 14 to rotate, so that the subsequent use is facilitated.

Working principle: when the electric vehicle functional structure plastic part quick demoulding structure is used, as shown in fig. 1-5, firstly, during demoulding, the telescopic rod 2 drives the top plate 3 and the upper die 4 to move upwards, the upper die 4 drives the positioning column 5 to synchronously move upwards in the chute 6, the positioning column 5 can pull the first pull rope 7 when moving upwards, the first pull rope 7 can drive the cross rod 8 at the bottom to rotate, the cross rod 8 rotates to reversely rotate the first torsion spring 9 at the end part, the cross rod 8 rotates to synchronously rotate the screw rod 10 through the bevel connection piece at the middle part, the screw rod 10 rotates to drive the demoulding plate 11 to move upwards in the die cavity 12, and then the plastic part formed in the die cavity 12 is automatically pushed out, so that the electric vehicle functional structure plastic part demoulding structure is quick and convenient, when used next time, the upper die 4 moves downwards and the lower die 1 is closed, the first pull rope 7 is loosened, the cross rod 8 is driven to rotate, the cross rod 8 is driven to synchronously rotate after the cross rod 8 rotates, and the screw rod 11 is driven to be retracted to the bottom of the die cavity 12, and the electric vehicle functional structure plastic part is convenient to use next time;

the cross rod 8 still can pull the second stay cord 13 when rotating, the second stay cord 13 will drive the half gear 14 of front and back side and rotate, will reverse the second torsional spring 15 after half gear 14 rotates, and can carry out intermittent engagement with the all gear 16 in the outside when half gear 14 rotates, all gear 16 will be driven and rotate, and then reverse the third torsional spring 17, when half gear 14 and all gear 16 do not mesh, the third torsional spring 17 will drive all gear 16 and revolve, and then make all gear 16 carry out reciprocating rotation, will drive the knocking plate 18 after all gear 16 rotates and swing synchronously, knocking plate 18 will strike lower mould 1, thereby make lower mould 1 produce the vibration, the plastic part is separated with lower mould 1 conveniently, improve drawing of patterns efficiency, and when cross rod 8 revolves, second stay cord 13 is loosened, second torsional spring 15 will drive half gear 14 gyration, be convenient for follow-up use, thereby accomplish a series of work.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a quick drawing of patterns structure of electric motor car functional structure plastic part, including lower mould (1) that sets up, and the left and right sides edge department at lower mould (1) top installs telescopic link (2), and the top of telescopic link (2) is fixed with roof (3), and upper mould (4) are installed to the bottom of roof (3);

the method is characterized in that: further comprises:

the bottom of the upper die (4) is symmetrically fixed with a positioning column (5), the bottom of the positioning column (5) is connected to a chute (6), the chute (6) is symmetrically arranged at the top of the lower die (1), a die cavity (12) is arranged in the middle of the top surface of the lower die (1), and the bottom of the die cavity (12) is connected with a stripper plate (11);

all the front side and the rear side of the lower die (1) are connected with all gears (16) through bearings, the shaft part of each all gear (16) is sleeved with a knocking plate (18), and the knocking plates (18) are positioned in the middle of the front side and the rear side of the lower die (1).

2. The electric vehicle functional structure plastic part rapid demolding structure according to claim 1, characterized in that: the locating column (5) corresponds the position setting with spout (6), and the bottom of locating column (5) is fixed with first stay cord (7) to the bottom of first stay cord (7) is around locating the left and right sides of horizontal pole (8), and horizontal pole (8) run through bearing and connect in the bottom inboard of lower mould (1), installs first torsional spring (9) between horizontal pole (8) and lower mould (1) simultaneously.

3. The electric vehicle functional structure plastic part rapid demolding structure according to claim 2, characterized in that: the horizontal pole (8) constitutes elasticity revolution mechanic through first stay cord (7) and first torsional spring (9), and the middle part of horizontal pole (8) is connected with screw rod (10) through the awl tooth connecting piece to screw rod (10) bearing connection is in the inboard middle part of lower mould (1), and the top threaded connection of screw rod (10) has stripper plate (11) moreover, and the top through connection of stripper plate (11) is in the inboard bottom of die cavity (12) simultaneously.

4. The electric vehicle functional structure plastic part rapid demolding structure according to claim 1, characterized in that: the stripper plate (11) forms an up-down sliding structure between the screw rod (10) and the die cavity (12), the top of the stripper plate (11) is attached to the inner wall of the die cavity (12), and the stripper plate (11) is integrally arranged into a T-shaped structure.

5. The electric vehicle functional structure plastic part rapid demolding structure according to claim 3, wherein: the left side and the right side of the cross rod (8) are both connected with second stay ropes (13), the end parts of the second stay ropes (13) are respectively connected with front and rear half gears (14), the half gears (14) are connected to the front and rear sides outside the lower die (1) through bearings, and a second torsion spring (15) is arranged between the half gears (14) and the lower die (1).

6. The electric vehicle functional structure plastic part rapid demolding structure according to claim 5, wherein: the outer side of the half gear (14) is connected with a full gear (16) in a meshed mode, a third torsion spring (17) is connected between the full gear (16) and the lower die (1), and the full gear (16) forms a reciprocating rotation structure through the half gear (14) and the third torsion spring (17).

7. The electric vehicle functional structure plastic part rapid demolding structure according to claim 1, characterized in that: the motion state of the all-gear (16) is consistent with that of the knocking plate (18), the knocking plate (18) is eccentrically connected with the all-gear (16), and the length of the knocking plate (18) is larger than the distance between the knocking plate (18) and the outer wall of the lower die (1).