CN213291029U

CN213291029U - Connecting rod assembly with simple structure and for internal thread demoulding

Info

Publication number: CN213291029U
Application number: CN202022078073.6U
Authority: CN
Inventors: 方静霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-28
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a simple-structured connecting rod component for internal thread demoulding, which comprises a threaded rod, wherein the bottom of the threaded rod is fixedly connected with a cylindrical rod, and the top of the outer peripheral surface of the cylindrical rod is provided with a push plate; the push plate comprises a first hollow column, a positioning piece is fixedly connected to the top of the first hollow column, a threaded hole is formed in the positioning piece and is in threaded connection with a threaded rod, the inner peripheral surface of the first hollow column is in sliding connection with the outer peripheral surface of the cylindrical rod, and a key groove is formed in the top of the positioning piece. The utility model discloses a helical angle that cylinder pole one end was kept away from to the threaded rod is the required angle of mould, and the helical angle that the threaded rod is close to cylinder pole one end is 30, and the thread angle is 30 one end and screw hole threaded connection on the threaded rod for when the spacer removed on the threaded rod, the threaded rod can rotate, and during the drawing of patterns, the spacer was fixed motionless, when the threaded rod removed outside the mould, threaded rod self can slow rotation, the mould of screwing out.

Description

Connecting rod assembly with simple structure and for internal thread demoulding

Technical Field

The utility model relates to a mould manufacturing technical field, concretely relates to simple structure's connecting rod subassembly for internal thread drawing of patterns.

Background

Moulds (Mule) are used for obtaining various moulds and tools of required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. It is a tool for making blank into product with specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like.

But its when in actual use, the main technical problem that exists for the cooperation between the gear module closes the motor need be used when the mould internal thread drawing of patterns is long, in making the threaded rod slowly back-out mould, not only manufacturing cost is high, and the installation accuracy of device requires very high moreover to spare part is changed troublesome.

Therefore, it is desirable to provide a connecting rod assembly for internal thread demoulding with a simple structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure's connecting rod subassembly for internal thread drawing of patterns, the helix angle of keeping away from cylinder pole one end through the threaded rod is the required angle of mould, the helix angle that the threaded rod is close to cylinder pole one end is 30, the thread angle is 30 one end and screw hole threaded connection on the threaded rod, when making the spacer move on the threaded rod, the threaded rod can rotate, when making the drawing of patterns, the spacer is fixed motionless, when the threaded rod moves outside towards the mould, threaded rod self can slow rotation, screw out the mould, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a connecting rod assembly with a simple structure for internal thread demoulding comprises a threaded rod, wherein the bottom of the threaded rod is fixedly connected with a cylindrical rod, and the top of the peripheral surface of the cylindrical rod is provided with a push plate;

the push plate comprises a first hollow column, a positioning piece is fixedly connected to the top of the first hollow column, a threaded hole is formed in the positioning piece, the threaded hole is connected with a threaded rod in a threaded mode, the inner peripheral surface of the first hollow column is connected with the outer peripheral surface of a cylindrical rod in a sliding mode, a key groove is formed in the top of the positioning piece, a semi-cylindrical key is arranged in the key groove, a positioning block is fixedly connected to one end of the semi-cylindrical key, a first circular ring is arranged at the bottom of the positioning block, the inner peripheral surface of the first circular ring is connected with the outer peripheral surface of the first hollow column in a sliding mode, the upper surface of the first circular ring is attached to the lower surface of the positioning piece, a through hole is formed in the first circular ring, the through hole penetrates through the positioning block and the first circular ring, a bolt is connected to the inner.

Preferably, a hydraulic cylinder is arranged on one side of the outer wall of the transmission plate, the output end of the hydraulic cylinder is fixedly connected with the transmission plate, and a limiting body is fixedly connected with one end of the transmission plate and far away from the hydraulic cylinder.

Preferably, the top of the limiting body is provided with a second hollow column, the second hollow column is rotatably connected with the cylindrical rod, the top of the limiting body can be hinged with a buckling plate, and the inner wall of the buckling plate is attached to the peripheral surface of the second hollow column.

Preferably, the outer peripheral surface of the cylindrical rod is fixedly connected with a limiting ring, the limiting ring is located between the push plate and the second hollow column, one side, close to the push plate, of the limiting ring is provided with an elastic gasket, and the elastic gasket is connected with the cylindrical rod in a sliding mode.

Preferably, the bottom of the limiting body is fixedly connected with a base, and the bottom of the base is fixedly connected with a movable wheel.

Preferably, the number of the moving wheels is four, and the four moving wheels are distributed at the bottom of the base in a rectangular array.

Preferably, the threaded rod and the locating piece are stainless steel components, the helical angle of one end, far away from the cylindrical rod, of the threaded rod is the angle required by the die, the helical angle of one end, close to the cylindrical rod, of the threaded rod is 30 degrees, and the threaded angle of the threaded rod is 30 degrees, and one end of the threaded rod is in threaded connection with the threaded hole.

In the technical scheme, the utility model provides a technological effect and advantage:

the spiral angle of keeping away from cylinder pole one end through the threaded rod is the required angle of mould, the spiral angle that the threaded rod is close to cylinder pole one end is 30, the thread angle is 30 one end and screw hole threaded connection on the threaded rod, when making the spacer move on the threaded rod, the threaded rod can rotate, when making the drawing of patterns, the spacer is fixed, when the threaded rod moves outside the mould, threaded rod self can slow rotation, the mould is unscrewed, make the threaded rod can not cause the damage to the internal thread in the mould during the drawing of patterns, drawing of patterns is fast simultaneously, high durability and convenient use, need not the cooperation between gear module and the motor, the manufacturing cost is reduced, the production efficiency is improved, the device is simple in structure, high durability and convenient operation, easy disassembly, damage spare part is easily changed, need not change.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection between the threaded rod and the cylindrical rod of the present invention;

FIG. 3 is a schematic view of the external connection structure of the cylindrical rod of the present invention;

FIG. 4 is a schematic view of the connection between the first hollow column and the positioning plate of the present invention;

fig. 5 is a cross-sectional view of the first hollow column and the positioning plate of the present invention;

FIG. 6 is a schematic view of the connection between the semi-cylindrical key and the positioning block of the present invention;

FIG. 7 is a perspective view of a push plate of the present invention;

fig. 8 is a schematic view of the connection between the stopper and the hydraulic cylinder of the present invention.

Description of reference numerals:

1 threaded rod, 2 cylinder poles, 3 push plates, 4 first hollow columns, 5 locating pieces, 6 threaded holes, 7 key grooves, 8 semi-cylindrical keys, 9 locating blocks, 10 first rings, 11 driving plates, 12 hydraulic cylinders, 13 limiting bodies, 14 second hollow columns, 15 buckling plates, 16 limiting rings, 17 elastic gaskets, 18 bases and 19 moving wheels.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a simple-structured connecting rod component for demoulding of internal thread, as shown in figures 1-8, which comprises a threaded rod 1, wherein the bottom of the threaded rod 1 is fixedly connected with a cylindrical rod 2, and the top of the outer peripheral surface of the cylindrical rod 2 is provided with a push plate 3;

the push plate 3 comprises a first hollow column 4, a positioning piece 5 is fixedly connected to the top of the first hollow column 4, a threaded hole 6 is formed in the positioning piece 5, the threaded hole 6 is in threaded connection with a threaded rod 1, the inner circumferential surface of the first hollow column 4 is in sliding connection with the outer circumferential surface of a cylindrical rod 2, a key groove 7 is formed in the top of the positioning piece 5, a semi-cylindrical key 8 is arranged in the key groove 7, a positioning block 9 is fixedly connected to one end of the semi-cylindrical key 8, a first circular ring 10 is arranged at the bottom of the positioning block 9, the inner circumferential surface of the first circular ring 10 is in sliding connection with the outer circumferential surface of the first hollow column 4, the upper surface of the first circular ring 10 is attached to the lower surface of the positioning piece 5, a through hole is formed in the first circular ring 10 and penetrates through the positioning block 9 and the first circular ring 10, a bolt is in sliding, and a transmission plate 11 is fixedly connected to one side of the outer wall of the first circular ring 10.

Further, in above-mentioned technical scheme, 11 outer wall one side of driving plate is equipped with

pneumatic cylinder

12, 12 output ends of pneumatic cylinder and 11 fixed connection of driving plate, 11 one end fixedly connected with spacing body 13 of driving plate are kept away from to pneumatic cylinder 12, provide power through pneumatic cylinder 12, promote the movement of driving plate 11, and driving plate 11 drives push pedal 3 and removes.

Further, in the above technical scheme, the top of the limiting body 13 is provided with a second hollow column 14, the second hollow column 14 is rotatably connected with the cylindrical rod 2, the top of the limiting body 13 can be hinged with a buckling plate 15, the inner wall of the buckling plate 15 is attached to the outer peripheral surface of the second hollow column 14, the second hollow column 14 is positioned through the limiting body 13, and the cylindrical rod 2 is limited through the second hollow column 14, so that the cylindrical rod 2 can only rotate.

Further, in the above technical solution, the outer peripheral surface of the cylindrical rod 2 is fixedly connected with a limit ring 16, the limit ring 16 is located between the push plate 3 and the second hollow column 14, one side of the limit ring 16, which is close to the push plate 3, is provided with an elastic gasket 17, the elastic gasket 17 is slidably connected with the cylindrical rod 2, the moving distance of the first hollow column 4 is limited by the limit ring 16, and the impact generated when the first hollow column 4 collides with the limit ring 16 is reduced by the elastic gasket 17.

Further, in the above technical solution, the bottom of the position limiting body 13 is fixedly connected with a base 18, the bottom of the base 18 is fixedly connected with a moving wheel 19, the position limiting body 13 is supported by the base 18, and the device can move by the moving wheel 19.

Further, in the above technical solution, the number of the moving wheels 19 is four, and the four moving wheels 19 are distributed at the bottom of the base 18 in a rectangular array, so that the support stability of the device is improved by the four moving wheels 19.

Further, in the above technical scheme, the threaded rod 1 and the positioning piece 5 are both stainless steel members, the helix angle of the end of the threaded rod 1, which is far away from the cylindrical rod 2, is the angle required by the mold, the helix angle of the end of the threaded rod 1, which is close to the cylindrical rod 2, is 30 degrees, the end of the threaded rod 1, which is at the thread angle of 30 degrees, is in threaded connection with the threaded hole 6, and the threaded rod 1 and the positioning piece 5 are both stainless steel members, so that the service lives of the threaded rod 1 and the positioning piece 5 are prolonged.

The implementation mode is specifically as follows: firstly, a first hollow column 4 penetrates through a first circular ring 10 to enable the first circular ring 10 to be attached to a positioning sheet 5, then a positioning block 9 is moved, a semi-cylindrical key 8 is placed in a key groove 7, then a bolt is inserted into a through hole, then a nut is screwed on to fix the first circular ring 10 and the positioning sheet 5, a cylindrical rod 2 is moved, a second hollow column 14 is placed at the top of a limiting body 13, then a buckling plate 15 is closed to complete the limiting of the cylindrical rod 2, the cylindrical rod 2 cannot move, then a hydraulic cylinder 12 is started to contract, an output shaft of the hydraulic cylinder 12 drives a transmission plate 11 to move towards one side of the limiting body 13, the transmission plate 11 drives a push plate 3 to move, a threaded rod 1 in the push plate 3 penetrates through the first hollow column 4 and then is inserted into a threaded hole 6, the threaded rod 1 is connected with the threaded hole 6 through threads, the threaded rod 1 rotates, and the positioning sheet 5 moves towards one side of the limiting body 13 along with, the cylindrical rod 2 moves in the first hollow column 4 while rotating, when the bottom of the first hollow column 4 is jointed with the elastic gasket 17, the hydraulic cylinder 12 is closed, when the screw rod 1 is put into a required mould to lead the positioning sheet 5 to be jointed with the surface of the mould, then injection moulding is started to the mould, when the injection moulding is finished, the hydraulic cylinder 12 is started, the output shaft of the hydraulic cylinder 12 extends, the output shaft of the hydraulic cylinder 12 drives the transmission plate 11 to move, because the positioning sheet 5 is jointed with the surface of the mould, the base 18 moves to one side far away from the positioning sheet 5 through the moving wheel 19, the base 18 drives the limiting body 13, the limiting body 13 drives the second hollow column 14, the second hollow column 14 drives the cylindrical rod 2, the cylindrical rod 2 drives the threaded column to move, the threaded column is connected with the thread between the threaded hole 6 on the positioning sheet 5 through the thread, the threaded column rotates slowly and is screwed out from the mould, when the threaded column is screwed out, the device is pushed to be away from a die, then an output shaft of the hydraulic cylinder 12 moves reversely, when the bottom of the first hollow column 4 is attached to the elastic gasket 17, the hydraulic cylinder 12 is closed, the internal thread demoulding of the die is completed, the spiral angle of one end, far away from the cylindrical rod 2, of the threaded rod 1 is the angle required by the die, the spiral angle of one end, close to the cylindrical rod 2, of the threaded rod 1 is 30 degrees, one end, close to the cylindrical rod 2, of the threaded rod 1 is in threaded connection with the threaded hole 6, when the positioning sheet 5 moves on the threaded rod 1, the threaded rod 1 can rotate, when the demoulding is carried out, the positioning sheet 5 is fixed, when the threaded rod 1 moves outwards of the die, the threaded rod 1 can slowly rotate and is screwed out of the die, so that the threaded rod 1 cannot damage the internal thread in the die during demoulding, meanwhile, the demoulding speed, the improved production efficiency, this device simple structure, convenient operation, easy dismantlement, damage spare part and easily change, need not change whole device, cooperation between the gear module closes the motor when the mould internal thread drawing of patterns that this embodiment has specifically solved existence among the prior art need be used to the time, in making threaded rod 1 slowly back-out mould, not only manufacturing cost is high, and the installation accuracy requirement of device is very high moreover to spare part changes troublesome problem.

This practical theory of operation:

referring to the attached drawings 1-8 of the specification, firstly, a first hollow column 4 penetrates through a first circular ring 10 to enable the first circular ring 10 to be attached to a positioning sheet 5, then a positioning block 9 is moved, a semi-cylindrical key 8 is placed in a key groove 7, then a bolt is inserted into a through hole, then a nut is screwed on to fix the first circular ring 10 and the positioning sheet 5, a cylindrical rod 2 is moved, a second hollow column 14 is placed at the top of a limiting body 13, then a buckling plate 15 is closed to complete limiting of the cylindrical rod 2, the cylindrical rod 2 cannot move, then a hydraulic cylinder 12 is started, the hydraulic cylinder 12 contracts, an output shaft of the hydraulic cylinder 12 drives a driving plate 11 to move towards one side of the limiting body 13, the driving plate 11 drives a push plate 3 to move, a threaded rod 1 in the push plate 3 penetrates through the first hollow column 4 and then is inserted into a threaded hole 6, the threaded rod 1 is connected with the threaded hole 6 through threads, the threaded rod 1 rotates, the positioning plate 5 moves to one side of the limiting body 13, the cylindrical rod 2 moves to the first hollow column 4 while rotating, when the bottom of the first hollow column 4 is jointed with the elastic gasket 17, the hydraulic cylinder 12 is closed, during work, the threaded rod 1 is put into a required mould, so that the positioning plate 5 is jointed with the surface of the mould, then injection moulding is started to the mould, after the injection moulding is finished, the hydraulic cylinder 12 is started, the output shaft of the hydraulic cylinder 12 extends, the output shaft of the hydraulic cylinder 12 drives the transmission plate 11 to move, because the positioning plate 5 is jointed with the surface of the mould, the base 18 moves to one side far away from the positioning plate 5 through the moving wheel 19, the base 18 drives the limiting body 13, the limiting body 13 drives the second hollow column 14, the second hollow column 14 drives the cylindrical rod 2, the cylindrical rod 2 drives the threaded column to move, the threaded column slowly rotates through threaded connection with the threaded hole 6 on the positioning plate 5 and is slowly screwed out from the mould, when the threaded column is screwed out of the mold, the device is pushed to be away from the mold, then the output shaft of the hydraulic cylinder 12 moves reversely, and when the bottom of the first hollow column 4 is attached to the elastic gasket 17, the hydraulic cylinder 12 is closed, and the internal thread demolding of the mold is completed.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a simple structure's connecting rod subassembly for internal thread drawing of patterns, includes threaded rod (1), its characterized in that: the bottom of the threaded rod (1) is fixedly connected with a cylindrical rod (2), and the top of the peripheral surface of the cylindrical rod (2) is provided with a push plate (3);

the push plate (3) comprises a first hollow column (4), the top of the first hollow column (4) is fixedly connected with a positioning plate (5), a threaded hole (6) is formed in the positioning plate (5), the threaded hole (6) is in threaded connection with a threaded rod (1), the inner circumferential surface of the first hollow column (4) is in sliding connection with the outer circumferential surface of a cylindrical rod (2), a key groove (7) is formed in the top of the positioning plate (5), a semi-cylindrical key (8) is arranged in the key groove (7), one end of the semi-cylindrical key (8) is fixedly connected with a positioning block (9), a first circular ring (10) is arranged at the bottom of the positioning block (9), the inner circumferential surface of the first circular ring (10) is in sliding connection with the outer circumferential surface of the first hollow column (4), the upper surface of the first circular ring (10) is attached to the lower surface of the positioning plate (5), a through hole is formed in the first, the through hole penetrates through the positioning block (9) and the first circular ring (10), a bolt is connected inside the through hole in a sliding mode, a nut is connected to the top of the bolt in a threaded mode, and a transmission plate (11) is fixedly connected to one side of the outer wall of the first circular ring (10).

2. The simple-structure connecting rod assembly for internal thread demoulding as claimed in claim 1, wherein: the pneumatic cylinder (12) is arranged on one side of the outer wall of the transmission plate (11), the output end of the pneumatic cylinder (12) is fixedly connected with the transmission plate (11), and the hydraulic cylinder (12) is far away from the limiting body (13) which is fixedly connected with one end of the transmission plate (11).

3. The simple-structure connecting rod assembly for internal thread demoulding as claimed in claim 2, wherein: the top of the limiting body (13) is provided with a second hollow column (14), the second hollow column (14) is rotatably connected with the cylindrical rod (2), the top of the limiting body (13) can be hinged with a buckling plate (15), and the inner wall of the buckling plate (15) is attached to the outer peripheral surface of the second hollow column (14).

4. The simple-structure connecting rod assembly for internal thread demoulding as claimed in claim 3, wherein: the outer peripheral surface of the cylindrical rod (2) is fixedly connected with a limiting ring (16), the limiting ring (16) is located between the push plate (3) and the second hollow column (14), one side, close to the push plate (3), of the limiting ring (16) is provided with an elastic gasket (17), and the elastic gasket (17) is connected with the cylindrical rod (2) in a sliding mode.

5. The simple-structure connecting rod assembly for internal thread demoulding as claimed in claim 2, wherein: the limiting device is characterized in that a base (18) is fixedly connected to the bottom of the limiting body (13), and a moving wheel (19) is fixedly connected to the bottom of the base (18).

6. The simple-structure connecting rod assembly for internal thread demoulding as claimed in claim 5, wherein: the number of the moving wheels (19) is four, and the four moving wheels (19) are distributed at the bottom of the base (18) in a rectangular array.

7. The simple-structure connecting rod assembly for internal thread demoulding as claimed in claim 1, wherein: threaded rod (1) and spacer (5) are stainless steel material component, the helix angle that cylindrical bar (2) one end was kept away from in threaded rod (1) is the required angle of mould, the helix angle that threaded rod (1) is close to cylindrical bar (2) one end is 30, threaded angle is 30 one end and screw hole (6) threaded connection on threaded rod (1).