CN210281949U

CN210281949U - Sealing control structure for preventing nitrogen loss of freezing sand blasting machine

Info

Publication number: CN210281949U
Application number: CN201920970456.9U
Authority: CN
Inventors: 黄建融
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-04-10
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a sealed control structure that freezing sand blasting machine prevented nitrogen gas loss, it includes: a freezing sand blasting machine body, a pan feeding pipe, a discharging pipe and a cylinder, wherein, freezing sand blasting machine is inside to be formed with a workspace, is equipped with nitrogen gas blowout mouth and granule blowout mouth in this workspace, and the top is equipped with a first sluice gate and a first gate, below is equipped with a second sluice gate and a second gate, lets this physical stamina of freezing sand blasting machine connects with this first sluice gate and establishes pan feeding pipe, second sluice gate connect establishes the discharging pipe still is equipped with a discharge gate on reaching the discharge gate that still is equipped with a pan feeding gate, discharging pipe on the pan feeding mouth of this pan feeding pipe, and the cylinder is the pivot establish in the workspace, and this cylinder week side is covered with most meshs to it has one to go into, the mouth that passes through of ejection of compact usefulness to reserve. Sealing control structure can avoid freezing sand blasting machine in the use or go into, a large amount of nitrogen gas of ejection of compact in-process leak and run off.

Description

Sealing control structure for preventing nitrogen loss of freezing sand blasting machine

Technical Field

The utility model relates to a freezing sand blasting machine prevents, especially relates to a freezing sand blasting machine prevents sealed control structure of nitrogen gas loss.

Background

The freezing sand blasting machine is generally used for products made of rubber-plastic alloy materials such as plastics, silica gel, rubber, zinc alloy, magnesium alloy, aluminum alloy and the like, the action of removing burrs is completed by replacing manpower through the freezing sand blasting machine, the freezing sand blasting machine mainly utilizes a freezing low-temperature effect generated by converting liquid nitrogen into gas state from liquid state, the burrs of the products are firstly embrittled, and the burrs on the products can be smoothly removed through high-speed ejection and impact of abrasive particles (sand grains) within a time difference that the burrs are embrittled in advance and the products are not embrittled.

The known freezing sand blasting machine generally has the problem of poor sealing effect, so that a large amount of nitrogen (liquid nitrogen) is leaked and lost in the using process or the feeding and discharging process, the freezing sand blasting machine needs to be stopped frequently to supplement the nitrogen (liquid nitrogen), and the using process is not economical and cannot achieve efficient work.

Therefore, if a sealing control structure for preventing nitrogen gas loss of a freezing sand blasting machine can be developed, the nitrogen gas (liquid nitrogen) required by the freezing sand blasting machine during operation will not leak and lose at will, which is a technical problem that the present inventor intends to improve.

Therefore, the inventor of the present invention provides the present invention after designing based on years of experience, multi-party discussion, sample test and multiple amendments and improvements.

SUMMERY OF THE UTILITY MODEL

To foretell technical problem, the utility model provides a sealed control structure that freezing sand blasting machine prevented nitrogen gas loss, it includes: a freezing sand-blasting machine body, a feeding pipe, a discharging pipe and a roller, wherein the freezing sand-blasting machine body is surrounded by each side panel, a working space is formed in the freezing sand-blasting machine body, a nitrogen gas spraying opening and a particle spraying opening are arranged in the working space, nitrogen gas and abrasive particles which are converted from liquid state of liquid nitrogen into gas state can be respectively sprayed out from the nitrogen gas spraying opening and the particle spraying opening, a first gate opening and a first gate are arranged above the working space, a second gate opening and a second gate are arranged below the working space, the freezing sand-blasting machine body can be connected with the feeding pipe through the first gate opening, the discharging pipe through the second gate opening, a feeding gate is further arranged on the feeding opening of the feeding pipe, a discharging gate is further arranged on the discharging opening of the discharging pipe, when feeding, the feeding gate can be opened, the first gate is closed, and products which need to remove burrs can firstly fall into the feeding pipe, the feeding gate can be closed along with the discharging pipe, the first gate is opened, the second gate is opened during discharging, the discharging gate is closed, products which finish burr removing work can fall into the discharging pipe firstly, the second gate can be closed along with the discharging gate, the discharging gate is opened, the first gate, the second gate, the feeding gate and the discharging gate are matched in an opening and closing mode, the maximum sealing effect of the nitrogen can be achieved, the nitrogen is prevented from being leaked and lost in the using or feeding and discharging process, the roller is pivoted in the working space, the roller can rotate continuously during starting, a plurality of meshes are distributed on the periphery of the roller, a through hole for feeding and discharging is reserved, and abrasive particles and the nitrogen can be smoothly sprayed into the roller from the working space by means of the arrangement of the meshes, therefore, the sealing control structure for preventing the nitrogen from losing of the freezing sand blasting machine is obtained.

Drawings

Fig. 1 is a perspective combination view of an embodiment of the present invention;

fig. 2 is an exploded perspective view of an embodiment of the present invention;

FIG. 3 is a schematic diagram of a feeding operation according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a feeding action according to an embodiment of the present invention;

FIG. 5 is a view showing a state of the present invention when burrs are removed;

FIG. 6 is a diagram illustrating the recovery of abrasive particles according to an embodiment of the present invention;

FIG. 7 is a first schematic view illustrating a discharging operation according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a discharging operation according to an embodiment of the present invention;

fig. 9 is another angle view of the embodiment of the present invention shown in fig. 8.

Symbolic illustration in the drawings:

the utility model discloses the part:

a freezing and sand blasting machine body 10; side panels 11;

a workspace 12; a nitrogen gas ejection port 13;

a particle ejection port 14; a first gate 15;

a first shutter 151; a second gate 16;

a second shutter 161; a particle drop outlet 17;

a recovery tank 18;

a feeding pipe 20; a feeding port 21;

a feed gate 22;

a discharge pipe 30; a discharge port 31;

a discharge gate 32;

a drum 40; a mesh 41;

a through port 42; a guide plate 43;

a product 50;

60 parts of nitrogen;

abrasive particles 70.

Detailed Description

The objects, features and functions of the present invention will be described in further detail below with reference to the following embodiments in conjunction with the accompanying drawings:

first, as shown in fig. 1 and 2, the method includes: a freezing sand-blasting machine body 10, a feeding pipe 20, a discharging pipe 30 and a roller 40, wherein the freezing sand-blasting machine body 10 is surrounded by each side panel 11, a working space 12 is formed inside the freezing sand-blasting machine body, a nitrogen gas spraying port 13 and a particle spraying port 14 are arranged in the working space 12, so that nitrogen gas 60 and abrasive particles 70 which are converted from liquid state of liquid nitrogen into gas state can be respectively sprayed out from the nitrogen gas spraying port 13 and the particle spraying port 14, a first gate 15 and a first gate 151 are arranged above the working space 12, a second gate 16 and a second gate 161 are arranged below the working space 12, the freezing sand-blasting machine body 10 can be connected with the feeding pipe 20 and the discharging pipe 30 through the first gate 15, and the feeding pipe 20 is also provided with a feeding gate 22, and the discharging pipe 30 is also provided with a discharging gate 32 on the discharging port 31, when the material inlet gate 22 is opened during material inlet, the first gate 151 is closed, the product 50 to be deburred can fall into the material inlet pipe 20, and the material inlet gate 22 can be closed therewith, then the first gate 151 is opened, the second gate 161 is opened during material outlet, the material outlet gate 32 is closed, the product 50 to be deburred can fall into the material outlet pipe 30, and the second gate 161 can be closed therewith, then the material outlet gate 32 is opened, the first gate 151, the second gate 161, the material inlet gate 22 and the material outlet gate 32 are opened and closed, so as to achieve the maximum sealing effect of the nitrogen gas 60, thereby avoiding the large amount of leakage and loss of the nitrogen gas 60 during use or material inlet and outlet processes, the roller 40 is pivoted in the working space 12, so that the roller 40 can generate continuous rotation during starting, the circumference of the drum 40 is covered with a plurality of meshes 41, and a through hole 42 for material inlet and outlet is reserved, by the arrangement of the meshes 41, the abrasive particles 70 and the nitrogen gas 60 can be smoothly sprayed into the drum 40 from the working space 12.

The utility model provides a sealed control structure that freezing sand blasting machine prevented nitrogen gas loss, wherein, the front side board 11 of freezing sand blasting machine body 10 is established to be and to open the form, utilizes opening of this side board 11, lets freezing sand blasting machine body 10 can be convenient for maintain or maintain.

The utility model provides a freezing sand blasting machine prevents sealed control structure of nitrogen gas loss, wherein, nitrogen gas blowout port 13 is established with granule blowout port 14 on freezing sand blasting machine body 10's the rear side board 11.

The utility model provides a sealed control structure that freezing sand blasting machine prevented nitrogen gas loss, wherein, first gate 151, second gate 161, pan feeding gate 22 and ejection of compact gate 32 utilize the control unit to do automatic start-stop.

The utility model provides a sealed control structure that freezing sand blasting machine prevented nitrogen gas loss, wherein, the control unit is a PLC programmable controller.

The utility model provides a sealed control structure that frozen sand blasting machine prevented nitrogen gas loss, wherein, frozen sand blasting machine body 10 below is reserved to have a granule to fall export 17 and be equipped with a recovery jar 18, lets after the use abrasive material granule 70 can be retrieved from this department and recycled (as shown in figure 6).

The utility model provides a sealed control structure that frozen sand blasting machine prevented nitrogen gas loss, wherein, the inside spiral helicine baffle 43 that is equipped with of cylinder 40, with when cylinder 40 rotated, drive with this baffle 43 product 50 toward the intermediate position of cylinder 40 is concentrated and is close to.

The utility model provides a freezing sand blasting machine prevents that nitrogen gas stream from losing sealed control structure, wherein, abrasive grain 70 is the sand grain.

The utility model provides a sealed control structure that freezing sand blasting machine prevented nitrogen gas loss, wherein, abrasive grain 70 is the polymer granule.

When the material is actually used, the material inlet gate 22 is opened, the first gate 151 is closed (as shown in fig. 3), so that the product 50 to be deburred can fall into the material inlet pipe 20 and be collected, and after the material inlet gate 22 is closed, the first gate 151 is opened and viewed from the fourth drawing, the product 50 can smoothly fall into the roller 40 by aligning the first gate opening 15 with the through opening 42, the rotation of the roller 40 is utilized to cooperate with the ejection of the nitrogen gas 60 and the abrasive particles 70 to deburre the burr on the product 50 (as shown in fig. 5), when the burr is deburred and the material is to be discharged, the second gate 161 is opened, the material outlet gate 32 is closed (as shown in fig. 7), so that the product 50 to be deburred can fall into the material outlet pipe 30, and the second gate 161 can be closed with it, and then the discharge gate 32 is opened (as shown in fig. 8 and fig. 9), so that the product 50 can be taken out smoothly, and the maximum sealing effect of the nitrogen gas 60 can be achieved by utilizing the opening and closing cooperation of the first gate 151, the second gate 161, the feeding gate 22 and the discharge gate 32, so as to avoid the large amount of nitrogen gas 60 leaking and losing in the using process or the feeding and discharging process, so that the freezing sand-blasting machine does not need to be stopped frequently to supplement the nitrogen gas 60, and the freezing sand-blasting machine is economical in use and can achieve more efficient work.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby; all equivalent changes and modifications made according to the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. the sealing control structure that a freezing sandblasting machine prevents nitrogen loss, it is characterized in that, comprise: a freezing sandblasting machine body, a feeding pipe, a discharging pipe and a drum, wherein:

The body of the refrigerated sandblasting machine is surrounded by side panels, and a working space is formed inside it. The working space is provided with a nitrogen ejection port and a particle ejection port, so that the liquid state of liquid nitrogen is converted into nitrogen and abrasives in a gaseous state. Particles can be ejected from the nitrogen ejection port and particle ejection port respectively, a first gate and a first gate are arranged above the working space, and a second gate and a second gate are arranged below, so that the freezing sandblasting machine The main body can be connected to the feeding pipe by the first gate, and the discharge pipe can be connected to the second gate, and the feeding port of the feeding pipe is also provided with a feeding gate, and the discharging port of the discharging pipe is also provided. There is a discharge gate, which will be opened when feeding, and the first gate will be closed, so that the products that need to remove burrs can fall into the feeding pipe first, and make the input After the material gate can be closed, the first gate will be opened, the second gate will be opened when the material is discharged, and the discharge gate will be closed, so that the products that have completed the burr removal work can first fall into the concentrated area. In the discharge pipe, and after the second gate can be closed, the discharge gate is opened, and the opening and closing of the first gate, the second gate, the feeding gate and the discharging gate cooperate with each other. , the maximum sealing effect of the nitrogen can be achieved, so as to avoid a large amount of leakage and loss of the nitrogen during use or in the process of feeding and discharging;

The drum is pivoted in the working space, so that the drum can generate continuous rotation when it is started. The circumference of the drum is covered with many mesh holes, and a through port for feeding and discharging is reserved. The arrangement of the mesh holes enables the abrasive particles and nitrogen gas to be smoothly sprayed into the drum from the working space.

2. The sealing control structure for preventing nitrogen loss of a refrigerated sandblasting machine as claimed in claim 1, wherein the front side panel of the refrigerated sandblasting machine body is designed to be openable, and by opening the side panel, The refrigerated sandblaster body is made accessible for repair or maintenance.

3 . The sealing control structure for preventing nitrogen loss of a refrigerated sandblaster according to claim 1 , wherein the nitrogen ejection port and the particle ejection port are provided on the rear side panel of the refrigerated sandblaster body. 4 .

4. The sealing control structure of the refrigerated sandblasting machine as claimed in claim 1 to prevent nitrogen loss, wherein the first gate, the second gate, the feeding gate and the discharging gate are automatically opened and closed by using a control unit .

5. The airtight control structure for preventing nitrogen loss of a refrigerated sandblaster according to claim 4, wherein the control unit is a PLC programmable controller.

6. The sealing control structure for preventing nitrogen loss of the refrigerated sandblasting machine as claimed in claim 1, characterized in that, a particle drop outlet is reserved at the bottom of the refrigerated sandblasting machine body and a recovery tank is connected, so that after use of the abrasive particles can be recycled from there.

7. The sealing control structure for preventing nitrogen loss in a refrigerated sandblaster according to claim 1, wherein a spiral guide plate is arranged inside the drum, so that when the drum rotates, the guide plate is used to drive the said drum. The product is concentrated and approached to the middle position of the drum.

8. The sealed control structure for preventing nitrogen loss in a refrigerated sandblaster according to claim 1, wherein the abrasive particles are sand particles.

9 . The sealing control structure for preventing nitrogen loss in a refrigerated sandblaster according to claim 1 , wherein the abrasive particles are polymer particles. 10 .