阅读说明：本技术 一种真空密封机 (Vacuum sealing machine ) 是由 夏朋 于 2019-11-28 设计创作，主要内容包括：本发明公开一种真空密封机,包括抽气组件、压合组件,抽气组件、压合组件均设置在机体上,抽气组件用于实现对袋体内的抽真空,压合组件用于实现对袋体上袋口的热合密封；压合组件包括热封装置、密封装置,热封装置包括第一上压部、热封部,密封装置包括第二上压部、固定部,第一上压部和热封部对应设置,第二上压部和固定部对应设置,第一上压部和第二上压部连接且通过制动组件与机体连接,热封部和固定部固定设置在机体上；本发明通过压合组件的结构设置,在抽气完成热封的过程中,第二上压部和固定部始终处于夹持密封状态,保证袋体内的真空状态,且降低抽气组件移动的影响,极大的提高了袋体的抽真空效果,提高产品合格率。(The invention discloses a vacuum sealing machine which comprises an air extracting component and a pressing component, wherein the air extracting component and the pressing component are both arranged on a machine body, the air extracting component is used for realizing the vacuum extraction of a bag body, and the pressing component is used for realizing the heat seal sealing of an upper bag opening of the bag body; the pressing assembly comprises a heat sealing device and a sealing device, the heat sealing device comprises a first pressing part and a heat sealing part, the sealing device comprises a second pressing part and a fixing part, the first pressing part and the heat sealing part are correspondingly arranged, the second pressing part and the fixing part are correspondingly arranged, the first pressing part and the second pressing part are connected and are connected with the machine body through a braking assembly, and the heat sealing part and the fixing part are fixedly arranged on the machine body; according to the invention, through the structural arrangement of the pressing component, in the process of finishing heat sealing by air extraction, the second upper pressing part and the fixing part are always in a clamping and sealing state, so that the vacuum state in the bag body is ensured, the influence of the movement of the air extraction component is reduced, the vacuum extraction effect of the bag body is greatly improved, and the product percent of pass is improved.)

1. A vacuum sealing machine is characterized by comprising an air extracting component and a pressing component, wherein the air extracting component and the pressing component are both arranged on a machine body, the air extracting component is used for realizing the vacuum extraction of a bag body, and the pressing component is used for realizing the heat seal sealing of an upper bag opening of the bag body; the pressing assembly comprises a heat sealing device and a sealing device, the heat sealing device comprises a first pressing portion and a heat sealing portion, the sealing device comprises a second pressing portion and a fixing portion, the first pressing portion and the heat sealing portion are correspondingly arranged, the second pressing portion and the fixing portion are correspondingly arranged, the first pressing portion and the second pressing portion are connected and are connected with the machine body through a braking assembly, and the heat sealing portion and the fixing portion are fixedly arranged on the machine body.

2. The vacuum sealing machine according to claim 1, wherein the first pressing part comprises a first pressing block, the first pressing block is arranged in a rectangular parallelepiped structure, and the first pressing block is connected with the braking component; the second upper pressing part comprises a connecting block, a movable shaft, an elastic piece and a second pressing block, the connecting block is connected with the first pressing block, a vertically arranged movable hole is formed in the connecting block, and the movable shaft is arranged in the movable hole and can move freely; the lower end of the movable shaft is connected with the second pressing block, and the elastic piece is arranged between the connecting block and the second pressing block and provides elastic repulsion force for the connecting block and the second pressing block; the upper end of the movable shaft is provided with a limiting block, and the position of the movable shaft is fixed under the action of the elastic force of the elastic piece through the limiting block.

3. The vacuum sealing machine according to claim 2, wherein a first flexible block is arranged on the lower end surface of the first upper pressing part, and a second flexible block is further arranged on the lower end surface of the second pressing block; the fixed part comprises a fixed block, and a third flexible block is arranged on the upper end face of the fixed block.

4. The vacuum sealing machine according to claim 3, wherein the fixing block and the second pressing block are both provided as a U-shaped member, and the second flexible block and the third flexible block are clamped by two side edges of the U-shaped member to fix the positions of the second pressing block, the second flexible block, the fixing block and the third flexible block.

5. The vacuum sealing machine of claim 3, wherein said first flexible block, said second flexible block, and said third flexible block are all made of sponge.

6. The vacuum sealing machine according to claim 3, wherein the heat seal portion includes a housing frame, an electric heating element and a heat conducting fin, the housing frame is fixedly disposed on the machine body, a placement groove with an upward opening is disposed in the housing frame, the electric heating element is disposed in the placement groove, the heat conducting fin is disposed at an opening position of the placement groove, and the electric heating element and the heat conducting fin are connected in contact.

7. The vacuum sealing machine according to claim 6, wherein the heat-conducting sheet is provided in a plate-like or sheet-like structure, and an upper end surface of the heat-conducting sheet is higher than an upper end surface of the housing.

8. The vacuum sealing machine according to claim 7, wherein when the elastic member, the first flexible piece, the second flexible piece, and the third flexible piece are all in a free state, a lower end surface of the first pressing portion is higher than a lower end surface of the second pressing portion, and an upper end surface of the fixing portion is higher than an upper end surface of the heat-seal portion.

9. The vacuum sealing machine according to claim 8, wherein a separator is further provided on the heat sealing device, and the separator is a separator paper or a separator cloth; the isolating piece is arranged on the lower end face of the first flexible block and the upper end face of the heat conducting plate.

10. The vacuum sealing machine according to claim 9, wherein the heat sealing portion is provided with a first pressing bar and a second pressing bar, the first pressing bar and the second pressing bar are both in a cylindrical bar shape, both sides of the spacer are respectively wound around the first pressing bar and the second pressing bar, the first pressing bar is fixed on the machine body by a fixing member, and the second pressing bar is arranged on the fixing portion by a fixing member; the fixed part sets up to L type structure, promptly the fixed part bottom is provided with lacks the groove and is used for placing the second depression bar.

Technical Field

The invention relates to the technical field of sealed packaging, in particular to a vacuum sealing machine.

Background

The vacuum air pumping equipment is utilized to pump away the air in the plastic bag, and the hot melting device is matched to carry out hot melting sealing at the opening of the plastic bag so as to achieve the purpose of vacuum sealing in the plastic bag, so that the whole plastic bag package is kept to be the reduced volume after vacuum pumping, and the product transportation is convenient to realize.

The structure of locating in the plastic bag is inserted to the exhaust tube adoption exhaust tube of current packaging sealing machine, need stretch into the plastic bag with the exhaust tube before bleeding, still need take the exhaust tube manual work out after bleeding, and the operation is extremely inconvenient to be difficult to seal synchronous completion with the hot melt in the operation, easily produce the defective products.

In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.

Disclosure of Invention

In order to solve the technical defects, the technical scheme adopted by the invention is that the vacuum sealing machine comprises an air extracting component and a pressing component, wherein the air extracting component and the pressing component are both arranged on a machine body, the air extracting component is used for realizing the vacuum extraction of a bag body, and the pressing component is used for realizing the heat seal sealing of an upper bag opening of the bag body; the pressing assembly comprises a heat sealing device and a sealing device, the heat sealing device comprises a first pressing portion and a heat sealing portion, the sealing device comprises a second pressing portion and a fixing portion, the first pressing portion and the heat sealing portion are correspondingly arranged, the second pressing portion and the fixing portion are correspondingly arranged, the first pressing portion and the second pressing portion are connected and are connected with the machine body through a braking assembly, and the heat sealing portion and the fixing portion are fixedly arranged on the machine body.

Preferably, the first pressing part comprises a first pressing block, the first pressing block is of a cuboid structure, and the first pressing block is connected with the braking assembly; the second upper pressing part comprises a connecting block, a movable shaft, an elastic piece and a second pressing block, the connecting block is connected with the first pressing block, a vertically arranged movable hole is formed in the connecting block, and the movable shaft is arranged in the movable hole and can move freely; the lower end of the movable shaft is connected with the second pressing block, and the elastic piece is arranged between the connecting block and the second pressing block and provides elastic repulsion force for the connecting block and the second pressing block; the upper end of the movable shaft is provided with a limiting block, and the position of the movable shaft is fixed under the action of the elastic force of the elastic piece through the limiting block.

Preferably, a first flexible block is arranged on the lower end face of the first upper pressing part, and a second flexible block is further arranged on the lower end face of the second pressing block; the fixed part comprises a fixed block, and a third flexible block is arranged on the upper end face of the fixed block.

Preferably, the fixed block and the second pressing block are both arranged as a U-shaped piece, and the second flexible block and the third flexible block are clamped on two side edges of the U-shaped piece to fix the positions of the second pressing block, the second flexible block, the fixed block and the third flexible block.

Preferably, the first flexible block, the second flexible block and the third flexible block are all made of sponge.

Preferably, the heat-seal part includes a housing, an electric heating element and a heat conducting fin, the housing is fixedly disposed on the machine body, a placing groove with an upward opening is disposed in the housing, the electric heating element is disposed in the placing groove, the heat conducting fin is disposed at an opening of the placing groove, and the electric heating element is in contact with the heat conducting fin.

Preferably, the heat conducting fins are arranged in a plate-shaped or sheet-shaped structure, and the upper end faces of the heat conducting fins are higher than the upper end face of the shell frame.

Preferably, when the elastic member, the first flexible block, the second flexible block, and the third flexible block are all in a free state, the lower end surface of the first pressing portion is higher than the lower end surface of the second pressing portion, and the upper end surface of the fixing portion is higher than the upper end surface of the heat-seal portion.

Preferably, the heat sealing device is further provided with a separator, and the separator is made of separating paper or separating cloth; the isolating piece is arranged on the lower end face of the first flexible block and the upper end face of the heat conducting plate.

Preferably, the heat-sealing part is provided with a first pressure lever and a second pressure lever, the first pressure lever and the second pressure lever are both cylindrical rod-shaped, two sides of the isolating piece are respectively rolled on the first pressure lever and the second pressure lever, the first pressure lever is fixed on the machine body through a fixing piece, and the second pressure lever is arranged on the fixing part through a fixing piece; the fixed part sets up to L type structure, promptly the fixed part bottom is provided with lacks the groove and is used for placing the second depression bar.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the structural arrangement of the pressing component, in the process of finishing heat sealing by air extraction, the second pressing part and the fixing part are always in a clamping and sealing state, so that the vacuum state in the bag body is ensured, the influence of movement of the air extraction component is reduced, the vacuum extraction effect of the bag body is greatly improved, and the product percent of pass is improved.

Drawings

FIG. 1 is a front view of the vacuum sealing machine;

FIG. 2 is a side view of the vacuum sealing machine;

fig. 3 is a structural view of the pressing assembly.

The figures in the drawings represent:

1-an air extraction assembly; 2-pressing the assembly; 3-a support frame; 4-body; 11-an air extraction head; 21-a first upper pressing part; 22-heat seal; 23-a second pressing part; 24-a stationary part; 25-a brake assembly; 26-a spacer; 211-first briquetting; 212-a first flexible block; 213-a platen; 221-a shell frame; 222-an electric heating element; 223-a thermally conductive sheet; 224-a first plunger; 225-a second compression bar; 226-a fixture; 231-connecting block; 232-movable shaft; 233-an elastic member; 234-second briquetting; 235-a limiting block; 236-a second flexible block; 241-fixed block; 242-third flexible block.

Detailed Description

The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.