CN215396572U

CN215396572U - A vibrations demoulding structure for high-accuracy plastic mould

Info

Publication number: CN215396572U
Application number: CN202121581098.6U
Authority: CN
Inventors: 许烨; 彭建球; 吴卫兵
Original assignee: Shenzhen Honglitai Precision Technology Co ltd
Current assignee: Quzhou Gaocai Intellectual Property Service Co.,Ltd.
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-04
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a vibration demoulding structure for high-precision plastic molds, which comprises a support frame and a vibration assembly, wherein the vibration assembly includes a rotating shaft and a cam, the cam is fixedly installed on the surface of the rotating shaft, and the rotating shaft is rotatably installed on the rotating shaft. In the support frame, a motor is installed on one end of the rotating shaft, a pneumatic suction cup is arranged in the support frame, a cylinder is fixedly connected to the top of the pneumatic suction cup, and a first spring is arranged between the cylinder and the support frame. A fixing plate is arranged under the pneumatic suction cup in the frame, and a second spring is fixedly installed between the upper surface of the fixing plate and the support frame. The motor is used to control the rotation of two sets of rotating shafts with cams to fit the mold, and the molds are installed with elastic connections. On the bottom plate of the cam, the eccentric structure of the cam is used to push the mold to float up and down, so that the mold vibrates, all of which are subjected to force, demoulding, and reducing the damage to the mold by knocking.

Description

A vibrations demoulding structure for high-accuracy plastic mould

Technical Field

The utility model belongs to the technical field of demoulding structures, and particularly relates to a vibration demoulding structure for a high-precision plastic mould.

Background

The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes. Next, the finished plastic part needs to be subjected to a mold release treatment.

At present, the demolding process is usually completed by manpower, and in the process, workers need to strike the outer edge of the mold to enable the plastic part to generate downward acting force, so that the plastic part is separated from the mold, and therefore, the demolding speed is slow, the appearance quality of the plastic part is poor, and the mold is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vibration demoulding structure for a high-precision plastic mould, which regularly pushes the mould to vibrate up and down by utilizing the joint rotation of a cam and the mould, has balanced force, does not damage the demoulding appearance, reduces the damage to the mould and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a vibration demoulding structure for a high-precision plastic mould comprises a supporting frame and a vibration assembly, wherein the vibration assembly comprises a rotating shaft and a cam, the cam is fixedly arranged on the surface of the rotating shaft, the rotating shaft is rotatably arranged in the supporting frame, and one end of the rotating shaft is provided with a motor in a transmission way;

the pneumatic sucker is arranged in the support frame, a cylinder is fixedly connected to the top of the pneumatic sucker, a first spring is arranged between the cylinder and the support frame, a fixing plate is arranged below the pneumatic sucker in the support frame, and a second spring is fixedly mounted between the upper surface of the fixing plate and the support frame.

Preferably, the support frame comprises a bottom plate, a top plate and two groups of vertical plates symmetrically arranged between the bottom plate and the top plate.

Preferably, the rotating shafts are arranged into two groups, and two ends of each group of rotating shafts are rotatably arranged between the two groups of vertical plates through deep groove ball bearings.

Preferably, two sets of pivot one end all fixed mounting have first sprocket, the output shaft end fixed mounting of motor has the second sprocket, first sprocket and second sprocket pass through chain drive and connect.

Preferably, the cams are provided with four groups, every two groups of cams are in key connection with one group of rotating shaft, and the cam surfaces are wrapped by wear-resistant rubber plates.

Preferably, the bottom of the cylinder is fixedly provided with a connecting plate, the first spring is fixedly arranged between the connecting plate and the top plate, the first spring is internally provided with a first guide rod in a penetrating manner, and the first guide rod is connected with the top plate in a sliding manner.

Preferably, the second spring is fixedly connected between the bottom plate and the fixing plate, a second guide rod penetrates through the second spring and is installed in the second spring, and the second guide rod is connected in a sliding mode.

Preferably, the pneumatic sucker is provided with eight at least groups, the top of the pneumatic sucker is fixedly communicated with an air chamber, the air chamber is fixedly connected with the output shaft end of the air cylinder, and one side of the air chamber is provided with an air hole communicated with external air supply equipment.

Preferably, the fixing plate is internally provided with mounting holes at four corners, and the four groups of mounting holes are internally provided with bolts in a rotating manner.

Preferably, a through hole for the telescopic rod of the air cylinder to penetrate through is formed in the top plate, and a through groove for the mold to penetrate through is formed in the bottom plate.

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

1. the motor is used for controlling two groups of rotating shafts with cams to be attached to the die to rotate, the die is arranged on the bottom plate in elastic connection, and the eccentric structure of the cams is used for pushing the die to float up and down, so that the die generates vibration and is subjected to uniform demolding, and the damage of knocking on the die is reduced;

2. the top of the mechanism is provided with a cylinder with a spring connection, a pneumatic sucker is fixedly connected with a telescopic rod end of the cylinder, and a molded injection mold is fixed by the sucker, so that the contact area of mold taking is increased;

3. the connecting position of the cylinder and the supporting frame is also provided with a spring which is matched with the spring on the bottom plate for use, so that the sucking disc for grabbing the injection mould is ensured to be consistent with the mould vibration frequency, and the problem of forcedly grabbing the injection mould is solved.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a side view of a portion of the cam and die of the present invention.

In the figure: 1. a support frame; 101. a base plate; 102. a top plate; 103. a vertical plate; 2. a vibration assembly; 201. a rotating shaft; 202. a cam; 203. a motor; 204. a wear-resistant rubber plate; 3. a pneumatic suction cup; 4. a cylinder; 401. a connecting plate; 402. a first guide bar; 5. a first spring; 6. a fixing plate; 601. Mounting holes; 7. a second spring; 701. a second guide bar; 8. a first sprocket; 9. a second sprocket; 10. An air chamber; 1001. air holes; 11. and (5) molding.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a vibrations demoulding structure for high-accuracy plastic mould, includes support frame 1 and vibrations subassembly 2, support frame 1 includes bottom plate 101, roof 102 and symmetry and installs two sets of risers 103 between bottom plate 101 and roof 102, set up the through-hole that the telescopic link that is used for cylinder 4 runs through in the roof 102, set up the logical groove that is used for mould 11 to run through in the bottom plate 101.

The vibration component 2 comprises a rotating shaft 201 and a cam 202, the cam 202 is fixedly arranged on the surface of the rotating shaft 201, the rotating shaft 201 is rotatably arranged in the support frame 1, a motor 203 is arranged at one end of the rotating shaft 201 in a transmission manner, the rotating shaft 201 is arranged into two groups, two ends of the rotating shaft 201 are rotatably arranged between two groups of vertical plates 103 through deep groove ball bearings, one end of the rotating shaft 201 is fixedly arranged with a first chain wheel 8, an output shaft end of the motor 203 is fixedly arranged with a second chain wheel 9, the first chain wheel 8 and the second chain wheel 9 are connected through chain transmission, the cam 202 is provided with four groups, each two groups of cams 202 are connected with one group of rotating shaft 201 in a key manner, the surface of the cam 202 is wrapped with a wear-resistant rubber plate 204, when in demolding, the mold 11 for injection molding is firstly arranged on the upper surface of a fixing plate 6 connected with a second spring 7, and the motor 203 is started, through the transmission relation of first sprocket 8 and second sprocket 9, drive two sets of pivots 201 of installing and rotate to make cam 202 laminate the mould 11 upper surface rotation of moulding plastics usefulness, utilize cam 202's eccentric structure to promote mould 11 and go on floating from top to bottom, thereby make mould 11 produce vibrations, the drawing of patterns that carries on of atress effect reduces and strikes the damage to mould 11.

The support frame 1 is internally provided with the pneumatic sucker 3, and the pneumatic sucker 3 is arranged to demold and take a mold of an injection molding product, so that the mold taking area is increased, and the appearance of the injection mold is better protected; the pneumatic suction cups 3 are provided with at least eight groups, the tops of the pneumatic suction cups 3 are fixedly communicated with an air chamber 10, the air chamber 10 is fixedly connected with an output shaft end of an air cylinder 4, one side of the air chamber 10 is provided with an air hole 1001 communicated with external air supply equipment, the tops of the pneumatic suction cups 3 are fixedly connected with the air cylinder 4, a first spring 5 is arranged between the air cylinder 4 and the support frame 1, and the first spring 5 and a second spring 7 are matched for use, so that the consistent vibration frequency of the pneumatic suction cups 3 for grabbing the injection mold and the mold 11 is ensured; be located pneumatic chuck 3 below in support frame 1 and be provided with fixed plate 6, be located its four corners department in fixed plate 6 and all seted up mounting hole 601, four groups all rotate in the mounting hole 601 and install the bolt, utilize the bolt with mould 11 fixed mounting in the upper surface of fixed plate 6 for the injection molding, 4 bottom fixed mounting of cylinder have connecting

plate

401, 5 fixed mounting of first spring are between connecting plate 401 and roof 102, run through in the first spring 5 and install first guide bar 402, first guide bar 402 and roof 102 sliding connection, and first guide bar 402 one end and connecting plate 401 fixed connection.

Fixed mounting has second spring 7 between 6 upper surfaces of fixed plate and the support frame 1, second spring 7 fixed connection is between bottom plate 101 and fixed plate 6, run through in the second spring 7 and install second guide bar 701, second guide bar 701 sliding connection utilizes second guide bar 701 to increase the stability of 6 luffing floats of fixed plate to improve the stability of 11 vibrations structures of mould, second guide bar 701 one end fixed mounting is in the lower surface of bottom plate 101.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vibration demolding structure for high-precision plastic molds, comprising a support frame (1) and a vibration assembly (2), wherein the vibration assembly (2) comprises a rotating shaft (201) and a cam (202) , the cam (202) is fixedly installed on the surface of the rotating shaft (201), the rotating shaft (201) is rotatably installed in the support frame (1), and a motor (203) is installed on one end of the rotating shaft (201);

A pneumatic suction cup (3) is arranged in the support frame (1), a cylinder (4) is fixedly connected to the top of the pneumatic suction cup (3), and a first cylinder (4) is arranged between the cylinder (4) and the support frame (1). A spring (5), a fixing plate (6) is arranged in the support frame (1) below the pneumatic suction cup (3), and a second fixing plate (6) is fixedly installed between the upper surface of the fixing plate (6) and the support frame (1). Spring (7).

2. A vibration demolding structure for a high-precision plastic mold according to claim 1, characterized in that: the support frame (1) comprises a bottom plate (101), a top plate (102) and a symmetrically mounted on the bottom plate (101). 101) and two sets of vertical plates (103) between the top plate (102).

3. A vibration demolding structure for high-precision plastic molds according to claim 2, characterized in that: the rotating shafts (201) are arranged in two groups, and both ends of the rotating shafts (201) in the two groups pass through The deep groove ball bearing is rotatably installed between the two sets of vertical plates (103).

4. A vibration demolding structure for high-precision plastic molds according to claim 1, wherein the first sprocket (8) is fixedly installed at one end of the two sets of rotating shafts (201). A second sprocket (9) is fixedly mounted on the output shaft end of the motor (203), and the first sprocket (8) and the second sprocket (9) are connected through a chain drive.

5. A vibration demolding structure for high-precision plastic molds according to claim 1, characterized in that: the cams (202) are provided with four groups, and each two groups of the cams (202) and one group The rotating shafts (201) are connected by keys, and the surfaces of the cams (202) are all wrapped with wear-resistant rubber plates (204).

6. A vibration demolding structure for a high-precision plastic mold according to claim 2, characterized in that: a connecting plate (401) is fixedly installed at the bottom of the cylinder (4), and the first spring (5) ) is fixedly installed between the connecting plate (401) and the top plate (102), a first guide rod (402) is installed through the first spring (5), the first guide rod (402) and the top plate (102) ) sliding connection.

7. A vibration demolding structure for a high-precision plastic mold according to claim 1, characterized in that: the second spring (7) is fixedly connected between the bottom plate (101) and the fixing plate (6) A second guide rod (701) is installed through the second spring (7), and the second guide rod (701) is slidably connected.

8. A vibration demolding structure for high-precision plastic molds according to claim 1, characterized in that: the pneumatic suction cups (3) are provided with at least eight groups, and the top of the pneumatic suction cups (3) is fixedly connected with An air chamber (10), the air chamber (10) is fixedly connected with the output shaft end of the cylinder (4), and an air hole (1001) communicated with an external air supply device is opened on one side of the air chamber (10).

9. A vibration demolding structure for high-precision plastic molds according to claim 1, characterized in that: said fixing plate (6) is provided with mounting holes (601) at its four corners, and four groups Bolts are rotatably installed in the installation holes (601).

10. A vibration demolding structure for high-precision plastic molds according to claim 2, characterized in that: the top plate (102) is provided with a through hole through which the telescopic rod of the air cylinder (4) penetrates, so that the The bottom plate (101) is provided with a through groove for the mold to pass through.