Mold closing mechanism of blow molding machine for producing modified plastic products

Abstract

The utility model belongs to the technical field of blow molding machines, and particularly relates to a mold closing mechanism of a blow molding machine for producing modified plastic products. The first electric push rod is fixedly mounted at the top of the bottom plate; the bottom of the mounting plate is fixedly mounted on an output shaft of the first electric push rod; the mold closing assembly comprises two second electric push rods, two rectangular pipes, two molds and two rectangular blocks, the two second electric push rods are fixedly installed on the top of the installation plate, and output shafts of the two second electric push rods are fixedly installed on the sides, away from each other, of the two rectangular pipes correspondingly; according to the mold assembly and disassembly device, rapid assembly and disassembly of the molds are achieved through a simple structure, the molds of different models can be replaced at will for use according to needs, tools do not need to be used for assisting in assembly and disassembly, personnel operation is facilitated, limitation is small, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of blow molding machines, in particular to a mold clamping mechanism of a blow molding machine for producing modified plastic products. Background Art

[0002] A blow molding machine is a plastic processing machine. After the liquid plastic is sprayed out, the wind force blown out by the machine is used to blow the plastic body into a mold cavity of a certain shape to make a product. This machine is called a blow molding machine. Blow molding is also called hollow blow molding, a rapidly developing plastic processing method. In order to facilitate the operator's material taking process, the blow molding machine is often used in conjunction with a mold opening and closing device.

[0003] In the prior art, existing molds are basically fixed by structures such as bolts. When producing plastic products of different shapes or sizes, different molds need to be selected. The molds fixed by bolts cannot be replaced quickly, and matching tools need to be used to disassemble and assemble the bolts, which has great limitations and reduces the use efficiency. Therefore, we propose a mold clamping mechanism for a blow molding machine for producing modified plastic products to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that molds in the prior art are basically fixed by structures such as bolts. When producing plastic products of different shapes or sizes, different molds need to be selected, and the molds fixed by bolts cannot be quickly replaced. Matching tools need to be used to disassemble and assemble the bolts, which has great limitations and reduces the use efficiency. A clamping mechanism for a blow molding machine for producing modified plastic products is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A mold clamping mechanism for a blow molding machine for producing modified plastic products, comprising:

[0007] Base plate;

[0008] A first electric push rod, wherein the first electric push rod is fixedly mounted on the top of the bottom plate;

[0009] A mounting plate, the bottom of which is fixedly mounted on the output shaft of the first electric push rod;

[0010] A mold clamping assembly, the mold clamping assembly comprising: two second electric push rods, two rectangular tubes, two molds and two rectangular blocks, the two second electric push rods are fixedly mounted on the top of the mounting plate, the output shafts of the two second electric push rods are respectively fixedly mounted on the sides of the two rectangular tubes that are away from each other, the bottoms of the two molds are in sliding contact with the top of the mounting plate, the ends of the two rectangular blocks that are close to each other are respectively fixedly connected to the sides of the two molds that are away from each other, and the rectangular blocks can be detached and inserted into the corresponding rectangular tubes;

[0011] The mounting components are provided in two numbers, and the mounting components cooperate with the corresponding rectangular tubes and rectangular blocks, and are used for the assembly and disassembly operations of the mold.

[0012] As a preferred solution of the utility model, four telescopic rods are fixedly connected to the top of the base plate, and the top ends of the four telescopic rods are fixedly connected to the bottom of the mounting plate.

[0013] As a preferred solution of the utility model, the mounting assembly includes two L-shaped rods, two plug rods and a rectangular ring. Slide grooves are provided at the top and bottom of the rectangular tube. The ends of the two L-shaped rods close to each other extend into the two slide grooves respectively and are slidably connected to the inner walls of the slide grooves. The ends of the two plug rods away from each other are fixedly connected to the two L-shaped rods respectively. The ends of the two plug rods close to each other penetrate the top and bottom of the rectangular tube respectively and extend to the interior of the rectangular tube. Slots are provided at the top and bottom of the rectangular block. The ends of the two plug rods close to each other can be detached and plugged into the two slots respectively. The rectangular ring is slidably sleeved on the rectangular tube, and the top inner wall and the bottom inner wall of the rectangular ring are respectively in contact with the side of the two L-shaped rods away from each other.

[0014] As a preferred solution of the utility model, first springs are fixedly connected to the inner walls of the two sliding grooves on the sides close to each other, and the ends of the two first springs that are far away from each other are respectively fixedly connected to the ends of the two L-shaped rods that are close to each other.

[0015] As a preferred solution of the utility model, rollers are rotatably connected to the top inner wall and the bottom inner wall of the rectangular ring, and the two rollers are respectively rollingly connected to the top and the bottom of the rectangular tube.

[0016] As a preferred solution of the utility model, the top and the bottom of the rectangular ring are fixedly connected with second springs, and one end of the two second springs is fixedly connected to the rectangular ring. Beneficial Effects

[0017] 1. By starting the first electric push rod, the mold clamping assembly can be driven to adjust its height, so that the mold can be matched with the blow molding machine according to the size of the mold, which is convenient for the blow molding machine to use molds of different models. Then, by starting the second electric push rod, the two molds can be driven to move closer to or away from each other, so that the two molds can be automatically opened and closed;

[0018] 2. By setting the installation components, the rectangular tube and the rectangular block can be quickly installed, fixed or unlocked, so that the mold can be quickly disassembled and assembled, which greatly improves the efficiency of mold replacement. Different types of molds can be replaced as needed, which is convenient for personnel operation;

[0019] The utility model realizes the rapid disassembly and assembly of the mold through a simple structure, and can arbitrarily replace molds of different models for use according to needs, without the need to use tools to assist in disassembly and assembly, which is convenient for personnel to operate, has little limitation and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the structural front view of the utility model;

[0021] Figure 2 For the utility model Figure 1 Schematic diagram of the structure of part A;

[0022] Figure 3 This is a main cross-sectional view of the structure of the rectangular tube and rectangular block of the utility model;

[0023] Figure 4 It is a three-dimensional structural diagram of the L-shaped rod and the insertion rod of the utility model.

[0024] In the figure: 1, bottom plate; 2, first electric push rod; 3, mounting plate; 4, telescopic rod; 5, second electric push rod; 6, rectangular tube; 7, mold; 8, rectangular block; 9, slot; 10, slide groove; 11, L-shaped rod; 12, first spring; 13, plug rod; 14, rectangular ring; 15, second spring; 16, roller. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example

[0026] Reference Figure 1-Figure 4 , a mold clamping mechanism of a blow molding machine for producing modified plastic products, comprising:

[0027] Bottom plate 1;

[0028] A first electric push rod 2, which is fixedly mounted on the top of the base plate 1;

[0029] A mounting plate 3, the bottom of which is fixedly mounted on the output shaft of the first electric push rod 2;

[0030] The mold clamping assembly includes: two second electric push rods 5, two rectangular tubes 6, two molds 7 and two rectangular blocks 8. The two second electric push rods 5 are fixedly mounted on the top of the mounting plate 3. The output shafts of the two second electric push rods 5 are fixedly mounted on the sides of the two rectangular tubes 6 that are away from each other. The bottoms of the two molds 7 are in sliding contact with the top of the mounting plate 3. The ends of the two rectangular blocks 8 that are close to each other are welded to the sides of the two molds 7 that are away from each other. The rectangular blocks 8 can be detached and inserted into the corresponding rectangular tubes 6.

[0031] There are two mounting components, which cooperate with the corresponding rectangular tubes 6 and rectangular blocks 8 and are used for assembly and disassembly operations of the mold 7 .

[0032] By means of the above structure: by starting the first electric push rod 2, the mold closing assembly can be driven to adjust the height, so that the mold 7 can be matched with the blow molding machine according to the size of the mold 7, which is convenient for the blow molding machine to use molds 7 of different models, and then by starting the second electric push rod 5, the two molds 7 can be driven to move closer to or away from each other, thereby realizing automatic opening and closing of the two molds 7.

[0033] As a preferred solution of the utility model, four telescopic rods 4 are welded to the top of the base plate 1, and the top ends of the four telescopic rods 4 are welded to the bottom of the mounting plate 3. By providing the telescopic rods 4, the lifting and lowering stability of the mounting plate 3 and the mold clamping assembly can be improved.

[0034] As a preferred solution of the utility model, the installation assembly includes two L-shaped rods 11, two plug rods 13 and a rectangular ring 14. The top and bottom of the rectangular tube 6 are provided with a slide groove 10. The ends of the two L-shaped rods 11 close to each other extend into the two slide grooves 10 and are slidably connected with the inner wall of the slide groove 10. The ends of the two plug rods 13 away from each other are welded to the two L-shaped rods 11. The ends of the two plug rods 13 close to each other penetrate the top and bottom of the rectangular tube 6 and extend to the inside of the rectangular tube 6. The top and bottom of the rectangular block 8 are provided with There are slots 9, and the ends of the two insertion rods 13 that are close to each other can be detached and inserted in the two slots 9 respectively. The rectangular ring 14 is slidably sleeved on the rectangular tube 6, and the top inner wall and the bottom inner wall of the rectangular ring 14 are respectively in contact with the side of the two L-shaped rods 11 that are away from each other. By setting the installation component, the rectangular tube 6 and the rectangular block 8 can be quickly installed, fixed or unlocked, so that the mold 7 can be quickly disassembled and assembled, which greatly improves the replacement efficiency of the mold 7. Different models of molds 7 can be arbitrarily replaced according to needs, which is convenient for personnel to operate.

[0035] As a preferred solution of the utility model, first springs 12 are welded on the inner walls of the two slide grooves 10 on the side close to each other, and the ends of the two first springs 12 that are away from each other are respectively welded to the ends of the two L-shaped rods 11 that are close to each other. By setting the first springs 12, the L-shaped rods 11 can be driven to move and reset.

[0036] As a preferred solution of the utility model, rollers 16 are rotatably connected to the top inner wall and the bottom inner wall of the rectangular ring 14 through an axis, and the two rollers 16 are respectively rollingly connected to the top and bottom of the rectangular tube 6. By setting the rollers 16, sliding support can be provided between the rectangular ring 14 and the rectangular tube 6 to ensure stable positioning of the L-shaped rod 11 by the rectangular ring 14.

[0037] As a preferred solution of the utility model, second springs 15 are welded on the top and bottom of the rectangular ring 14, and one end of the two second springs 15 are welded to the rectangular ring 14. By providing the second springs 15, the rectangular ring 14 can be driven to slide and reset.

[0038] It should be noted that the specific types of the first electric push rod 2 and the second electric push rod 5 to be used are selected by relevant technicians familiar with the field, and the above-mentioned first electric push rod 2 and the second electric push rod 5 are all existing technologies and will not be elaborated in this solution.

[0039] The working principle of the utility model is as follows: when in use, firstly, the first electric push rod 2 and the second electric push rod 5 are connected to an external power supply, and then the first electric push rod 2 is started to drive the mold clamping assembly to adjust the height, so that the mold 7 can be matched with the blow molding machine according to the size of the mold 7, which is convenient for the blow molding machine to use molds 7 of different models, and then the second electric push rod 5 is started to drive the two molds 7 to move closer to or away from each other, so that the two molds 7 can be automatically opened and closed, and then the rectangular ring 14 is pushed to the side close to the mold 7 to release the rectangular ring 1 4. The limit of the L-shaped rod 11. At this time, the elastic reset characteristic of the first spring 12 can drive the two L-shaped rods 11 to move away from each other, thereby driving the two plug rods 13 to move away from each other. At this time, the two plug rods 13 can release the plug-in fixation between the slots 9, and then the rectangular block 8 and the rectangular tube 6 can be separated, so that the mold 7 can be disassembled. Here, the mold 7 can be quickly disassembled and assembled in this way, and different types of molds 7 can be replaced as needed. There is no need to use tools to assist in disassembly and assembly, which is convenient for personnel to operate, has small limitations, and is highly practical.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mold clamping mechanism for a blow molding machine for producing modified plastic products, characterized in that: include: Bottom plate (1); A first electric push rod (2), the first electric push rod (2) being fixedly mounted on the top of the base plate (1); A mounting plate (3), the bottom of the mounting plate (3) being fixedly mounted on the output shaft of the first electric push rod (2); A mold clamping assembly, the mold clamping assembly comprising: two second electric push rods (5), two rectangular tubes (6), two molds (7) and two rectangular blocks (8), the two second electric push rods (5) are fixedly mounted on the top of the mounting plate (3), the output shafts of the two second electric push rods (5) are respectively fixedly mounted on the sides of the two rectangular tubes (6) that are away from each other, the bottoms of the two molds (7) are both in sliding contact with the top of the mounting plate (3), the ends of the two rectangular blocks (8) that are close to each other are respectively fixedly connected to the sides of the two molds (7) that are away from each other, and the rectangular blocks (8) can be detached and inserted into the corresponding rectangular tubes (6); The mounting components are provided in two pieces, the mounting components cooperate with the corresponding rectangular tubes (6) and rectangular blocks (8), and the mounting components are used for the assembly and disassembly operations of the mold (7).

2. A mold clamping mechanism for a blow molding machine for producing modified plastic products according to claim 1, characterized in that: Four telescopic rods (4) are fixedly connected to the top of the base plate (1), and the top ends of the four telescopic rods (4) are fixedly connected to the bottom of the mounting plate (3).

3. The mold clamping mechanism of a blow molding machine for producing modified plastic products according to claim 1, characterized in that: The mounting assembly comprises two L-shaped rods (11), two plug rods (13) and a rectangular ring (14); the top and bottom of the rectangular tube (6) are both provided with slide grooves (10); the ends of the two L-shaped rods (11) close to each other extend into the two slide grooves (10) and are slidably connected to the inner walls of the slide grooves (10); the ends of the two plug rods (13) away from each other are respectively fixedly connected to the two L-shaped rods (11); the ends of the two plug rods (13) close to each other penetrate the top and bottom of the rectangular tube (6) and extend into the interior of the rectangular tube (6); the top and bottom of the rectangular block (8) are both provided with slots (9); the ends of the two plug rods (13) close to each other can be detached and inserted into the two slots (9); the rectangular ring (14) is slidably sleeved on the rectangular tube (6); the top inner wall and the bottom inner wall of the rectangular ring (14) are respectively in contact with the sides of the two L-shaped rods (11) away from each other.

4. A mold clamping mechanism for a blow molding machine for producing modified plastic products according to claim 3, characterized in that: A first spring (12) is fixedly connected to the inner walls of the two sliding grooves (10) on the sides close to each other, and the ends of the two first springs (12) that are away from each other are respectively fixedly connected to the ends of the two L-shaped rods (11) that are close to each other.

5. The mold clamping mechanism of a blow molding machine for producing modified plastic products according to claim 3, characterized in that: Rollers (16) are rotatably connected to the top inner wall and the bottom inner wall of the rectangular ring (14), and the two rollers (16) are respectively rotatably connected to the top and bottom of the rectangular tube (6).

6. The mold clamping mechanism of a blow molding machine for producing modified plastic products according to claim 3, characterized in that: The top and bottom of the rectangular ring (14) are both fixedly connected to second springs (15), and one end of the two second springs (15) is both fixedly connected to the rectangular ring (14).

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