CN115338782A

CN115338782A - Sand blasting machine for high-hardness corrosion-resistant surface treatment of metal pot body and sand blasting method thereof

Info

Publication number: CN115338782A
Application number: CN202211042289.4A
Authority: CN
Inventors: 王强
Original assignee: Zhejiang Keland Electric Appliance Co ltd
Current assignee: Zhejiang Keland Electric Appliance Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-11-15

Abstract

The invention relates to the technical field of sand blasting machines, and discloses a sand blasting machine for high-hardness corrosion-resistant surface treatment of a metal pot body and a sand blasting method thereof. Through the inlet pipe, jet-propelled head and helical blade's setting, make helical blade when rotatory, upwards input fine sand gradually, make fine sand rise in the inlet pipe, cover the fine sand of one deck to the jet-propelled head's air jet, and the fine sand at this moment is carried by the gas that the inlet pipe jetted, the perpendicular upwards blowout in the jet-propelled head of high-speed follow, carry out sand blasting treatment to the metal pot body surface of jet-propelled head top, the fine sand covers on the jet-propelled head of jet-propelled head by oneself in this process, need not to utilize jet-propelled department air current formation vacuum to adsorb fine sand, improve gas shock efficiency.

Description

Sand blasting machine for high-hardness corrosion-resistant surface treatment of metal pot body and sand blasting method thereof

Technical Field

The invention relates to the technical field of sand blasting machines, in particular to a sand blasting machine for high-hardness corrosion-resistant surface treatment of a metal pot body and a sand blasting method thereof.

Background

The sand blasting machine adopts compressed air as power to form a high-speed blasting beam, and sprays blasting materials (steel sand quartz sand, carborundum, glass sand and resin sand) to the surface of a workpiece to be processed at a high speed to change the mechanical property of the outer surface of the workpiece, and the blasting materials have impact and cutting effects on the surface of the workpiece to ensure that the surface of the workpiece obtains certain cleanliness and different roughness, so that the mechanical property of the surface of the workpiece is improved, and the fatigue resistance of the workpiece is improved, but the sand blasting machine has some defects in the using process as follows:

in the sand blasting machine working process, because adopt compressed air as power to utilize the principle of venturi, when making compressed air blowout flow, form the negative pressure in sand pumping pipe mouth department, and then suction fine sand, but at this in-process, need consume air pressure certainly as power, carry out the sand pumping in-process, mix with the air afterwards, carried out by the air again, impact the metal pot body, the pressure of having consumed the air, lead to air impact pressure not enough, influence the sandblast effect.

Disclosure of Invention

The invention provides a sand blasting machine for treating a high-hardness corrosion-resistant surface of a metal pot body, which has the advantages of good sand blasting effect and small pollution and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a sand blasting machine for corrosion-resistant surface treatment of metal pot body high rigidity, includes the fixed box, the fixed box the top fixed mounting of fixed box has the gas transmission ring, the sealing ring has been cup jointed in the inside activity of gas transmission ring, the inboard fixed connection central siphon of sealing ring, the central siphon has four and fixedly connected with air guide plate, fixed mounting has the support ring on the air guide plate, the top fixed mounting of support ring has last shrouding, the even fixed mounting in top that just is located the air guide plate on going up the shrouding has the inlet pipe, the even fixed mounting in upper surface of air guide plate has jet head, the bottom of jet head and the inner chamber intercommunication of air guide plate, the first half of jet head cup joints the activity with the inner chamber activity of inlet pipe and cup joints, the side fixedly connected with intake pipe of gas transmission ring, the inside of fixed box just is located the below fixed mounting of air guide plate has the case, the top of material transmission box cup joints with the bottom activity of support ring, the bottom centre fixed mounting of air guide plate has the rotation axis, fixed mounting has helical blade on the rotation axis, helical blade's bottom activity cup joints with the bottom of material transmission box, the outside and fixed mounting has the inner chamber through the inner chamber intercommunication of gas transmission ring.

Preferably, a ratchet wheel clamping box is fixedly installed in the middle of the bottom surface of the fixing box, a ratchet wheel is fixedly sleeved inside the ratchet wheel clamping box on the rotating shaft, the ratchet wheel is movably sleeved with the ratchet wheel clamping box, one-way valves are fixedly installed on the shaft tubes, and the pressure of gas filled from the gas inlet pipe is larger than that of gas ejected from the gas ejecting head.

Preferably, the bottom surface fixed mounting of fixed case has the under casing, the bottom and the under casing swing joint of rotation axis, the bottom of rotation axis and the inside fixed cup joint that is located the under casing have the speed-limiting plate, the bilateral symmetry screw thread of under casing has cup jointed the threaded rod, the one end swing joint that the threaded rod is close to the speed-limiting plate has the speed-limiting fixture block, speed-limiting fixture block and under casing activity joint.

Preferably, the last fixed surface of gas transmission ring installs the outer container, the inside fixed mounting of outer container has the inner box, the top fixed mounting of inner box has the rack, the activity joint has the gear shaft on the rack, the right-hand member fixed mounting of gear shaft has spacing wheel, the draw-in groove has been seted up on the lateral wall of outer container, spacing wheel and draw-in groove activity joint, driving belt has been cup jointed in its top activity that is located the gear shaft in the inside of outer container, driving belt's below fixed mounting has the pulling ring, the pulling ring cup joints with the gear shaft activity, the left end fixed mounting of gear shaft has the sucking disc, the bottom surface of outer container and the left part fixed mounting who is located the fixed box have the supporting leg.

Preferably, the maximum diameter of the jet head is half the diameter of the inner circumference of the feed tube, and the top end of the jet head is located at the top two thirds of the feed tube.

Preferably, the upper sealing plate is conical, and the height of the upper surface of the air nozzle is the same as that of the vertex of the upper sealing plate.

The invention has the following beneficial effects:

1. through the inlet pipe, jet-propelled head and helical blade's setting, make helical blade when rotatory, upwards input fine sand gradually, make fine sand rise in the inlet pipe, cover the fine sand of one deck to the jet-propelled head's air jet, and the fine sand at this moment is carried by the gas that the inlet pipe jetted, spout from the jet-propelled head perpendicular upwards at a high speed, carry out sand blasting to the metal pot body surface of jet-propelled head top, at this in-process fine sand covers on the jet-propelled head's air jet by oneself, need not to utilize jet-propelled department air current to form vacuum and adsorb fine sand, improve gas shock efficiency, and then strengthen the sand blasting efficiency to metal pot body surface, and simultaneously, it rotates to drive jet-propelled head and inlet pipe, make and to carry out even sand blasting to the surface of the metal pot body, improve the sand blasting quality.

2. Through the setting of rotating vane and sealing ring, utilize and follow the high-pressure gas that driving belt got into to strike rotating vane, provide kinetic energy for rotating vane, some gas passes the check valve from the central siphon afterwards and gets into in the air guide plate, jet out from the inlet pipe afterwards, another part gas carries out the pressure boost between two rotating vane, further support the pressure to rotating vane, it is rotatory to promote rotating vane, provide the power supply of transportation fine sand promptly, the gaseous pressure of inlet pipe ejection has been guaranteed again, and simultaneously, through the setting of speed-limiting disc and speed-limiting fixture block, make increase the rotation axis rotational resistance, force the inside pressure of sealing ring to increase continuously, and then improve the internal pressure of whole gas transmission passageway, make the ejection gas pressure increase, adjust and control sandblast pressure with this, simultaneously, guarantee that helical blade's rotation rate is invariable, avoid the fine sand volume of inputing too much, block up the through-hole of inlet pipe, lead to the sandblast effect worsen.

Drawings

FIG. 1 is a schematic side view, semi-section, of the present invention;

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

FIG. 3 is a schematic front view of a half-section of the structure of the present invention;

FIG. 4 is a schematic top cross-sectional view of the inventive structure;

FIG. 5 is a top view of a partially sectioned view of the structural holding box of the present invention.

In the figure: 1. a fixed box; 2. a gas delivery ring; 3. a seal ring; 4. a gas guide plate; 5. a support ring; 6. an upper sealing plate; 7. a feed pipe; 8. a gas showerhead; 9. an outer box; 10. an inner box; 11. supporting legs; 12. a gear shaft; 13. a limiting wheel; 14. a drive belt; 15. pulling the ring; 16. a rotating shaft; 17. a material conveying box; 18. a helical blade; 19. a bottom box; 20. a ratchet wheel clamping box; 21. a speed limiting disc; 22. a threaded rod; 23. a speed limiting fixture block; 24. an air inlet pipe; 25. the blades are rotated.

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. 1-2, a sand-blasting machine for high-hardness corrosion-resistant surface treatment of a metal pot body comprises a fixed box 1, a gas transmission ring 2 is fixedly mounted on the top of the fixed box 1, a sealing ring 3 is movably sleeved on the inside of the gas transmission ring 2, the inner side of the sealing ring 3 is fixedly connected with a shaft tube, the shaft tube is provided with four gas guide plates 4, the gas guide plates 4 are fixedly provided with a support ring 5, the top of the support ring 5 is fixedly provided with an upper sealing plate 6, the upper sealing plate 6 is uniformly and fixedly provided with a feed pipe 7 above the gas guide plates 4, the upper surface of the gas guide plates 4 is uniformly and fixedly provided with an air nozzle 8, the bottom end of the air nozzle 8 is communicated with the inner cavity of the gas guide plates 4, the upper half part of the air nozzle 8 is movably sleeved with the inner cavity of the feed pipe 7, the side surface of the gas transmission ring 2 is fixedly connected with an air inlet pipe 24, the inside of the fixed box 1 and the lower part of the gas guide plates 4 are fixedly provided with a box 17, the top of a material conveying box 17 is movably sleeved with the bottom of a support ring 5, a rotating shaft 16 is fixedly installed in the center of the bottom surface of a gas guide plate 4, a spiral blade 18 is fixedly installed on the rotating shaft 16, the upper half part of the spiral blade 18 is movably sleeved with the bottom of the material conveying box 17, rotating blades 25 are uniformly and fixedly installed on the outer side of a sealing ring 3 and positioned in a gas conveying ring 2, a gas nozzle 8 is communicated with an inner cavity of the sealing ring 3 through the gas guide plate 4, fine sand is filled into the fixed box 1, high-pressure gas is filled into the gas conveying ring 2 through a transmission belt 14, the high-pressure gas enters the sealing ring 3, then the gas nozzle 8 is filled through the gas guide plate 4 and is vertically and upwards sprayed from the gas nozzle 8, in the process, the high-pressure gas impacts the rotating blades 25 to drive the rotating blades 25 to rotate, and then sequentially passes through the sealing ring 3, the air guide plate 4 and the rotating shaft 16 drive the spiral blades 18 to rotate, so that the fine sand in the fixed box 1 is gradually filled into the material conveying box 17, the fine sand gradually rises into the material conveying pipe 7, the air jet opening of the air jet head 8 is covered with a layer of fine sand, the fine sand at the moment is carried by the gas sprayed by the material conveying pipe 7 and is sprayed out from the air jet head 8 vertically upwards at a high speed, the surface of the metal pot body above the air jet head 8 is subjected to sand blasting treatment, the fine sand automatically covers the air jet opening of the air jet head 8 in the process, the air flow at the air jet position is not required to be utilized to form vacuum to adsorb the fine sand, the gas impact efficiency is improved, the sand blasting efficiency on the surface of the metal pot body is further enhanced, meanwhile, the air jet head 8 and the material conveying pipe 7 are driven to rotate, the surface of the metal pot body is subjected to uniform sand blasting, and the sand blasting quality is improved; the middle part of the bottom surface of the fixed box 1 is fixedly provided with a ratchet clamping box 20, a ratchet gear is fixedly sleeved in the rotating shaft 16 and positioned in the ratchet clamping box 20, the ratchet gear is movably sleeved with the ratchet clamping box 20, the shaft tubes are fixedly provided with one-way valves, the pressure of gas filled from the gas inlet pipe 24 is greater than the pressure of gas ejected from the gas ejecting head 8, the rotation of the rotating shaft 16 is limited by the ratchet gear and the ratchet clamping box 20, so that after the gas is filled into the sealing ring 3 from the gas inlet pipe 24 and impacts the rotating blades 25, the pressure is gradually increased in the sealing ring 3 and between the two rotating blades 25, the pressure is gradually increased, and due to the limitation of the ratchet gear and the ratchet clamping box 20, the rotating blades 25 are further pushed to rotate towards one direction, and the spiral blades 18 are ensured to be driven to transport fine sand upwards;

referring to fig. 2 to 5, a bottom box 19 is fixedly installed on the bottom surface of the fixed box 1, the bottom end of the rotating shaft 16 is movably connected with the bottom box 19, a speed-limiting disc 21 is fixedly sleeved inside the bottom box 19 at the bottom of the rotating shaft 16, threaded rods 22 are symmetrically and threadedly sleeved on two sides of the bottom box 19, one end of each threaded rod 22 close to the speed-limiting disc 21 is movably connected with a speed-limiting fixture block 23, and the speed-limiting fixture block 23 is movably clamped with the bottom box 19; the upper surface of the gas transmission ring 2 is fixedly provided with an outer box 9, the inner box 10 is fixedly arranged inside the outer box 9, the top end of the inner box 10 is fixedly provided with a rack, a gear shaft 12 is movably clamped on the rack, a limiting wheel 13 is fixedly arranged at the right end of the gear shaft 12, a clamping groove is formed in the side wall of the outer box 9, the limiting wheel 13 is movably clamped with the clamping groove, a transmission belt 14 is movably sleeved on the inner part of the outer box 9 above the gear shaft 12, a pulling ring 15 is fixedly arranged below the transmission belt 14, the pulling ring 15 is movably sleeved with the gear shaft 12, a sucking disc is fixedly arranged at the left end of the gear shaft 12, a supporting leg 11 is fixedly arranged on the bottom surface of the outer box 9 and at the left part of the fixed box 1, the metal pot body is adsorbed by the sucking disc, the gear shaft 12 is driven to advance inside the outer box 9 through the transmission belt 14 and the pulling ring 15, and the gear shaft 12 is matched with the rack, the metal pot body is driven to rotate through the gear shaft 12, on the one hand, the clamping of the metal pot body is convenient, the processing speed of the metal pot body is improved, and on the other hand, the metal body uniformly passes through the air injection head 8, and the grinding efficiency is effectively improved; the maximum diameter of the gas nozzle 8 is half of the diameter of the inner ring of the feeding pipe 7, the top end of the gas nozzle 8 is positioned at the top two thirds of the feeding pipe 7, on one hand, the fine sand has enough space to rise to the height of the top of the gas nozzle 8 when rising in the feeding pipe 7, and then can be impacted by gas, and an increased impact force is generated, on the other hand, when the fine sand does not reach the top end of the feeding pipe 7, the gas blown out from the feeding pipe 7 forms a certain vacuum in the gas nozzle 8, and then the fine sand is attracted and rises to impact outwards together with the gas; go up shrouding 6 and be conical, the upper surface of air nozzle 8 is the same with the summit place height of last shrouding 6, and then makes spun fine sand lose kinetic energy after striking the metal pot body to descend under the effect of gravity, fall into again in fixed case 1, so that used repeatedly reduces the waste of resource.

The working principle is that firstly, a sufficient amount of fine sand is filled into the fixed box 1, and high-pressure gas is introduced into the gas transmission ring 2 through the transmission belt 14, the high-pressure gas enters the sealing ring 3 to impact the rotating blades 25, then, a part of the high-pressure gas flows from the shaft pipe to the gas guide plate 4, and finally, the high-pressure gas is uniformly sprayed out from the feed pipe 7, in the process, the amount of the gas entering from the transmission belt 14 is ensured to be larger than the amount of the gas sprayed out from the feed pipe 7, the other part of the gas is gradually pressurized in the sealing ring 3 and positioned in the two rotating blades 25, the rotating blades 25 are pushed to rotate along with the increase of the pressure, and the rotating blades 25 rotate and are respectively provided with the supporting ring 5 and the rotating shaft 16 through the transmission of the sealing ring 3 and the shaft pipe gas guide plate 4. Rotating, the rotation shaft 16 drives the helical blade 18 to rotate, the helical blade 18 gradually inputs the fine sand in the fixed box 1 to the inside of the material conveying box 17, so that the fine sand gradually spreads into the feeding pipe 7 and gradually reaches the top end of the air jet head 8, then the metal pot body is adsorbed by the suction disc, the gear shaft 12 is driven to advance in the outer box 9 through the transmission belt 14 and the pulling ring 15, due to the matching of the gear shaft 12 and the rack, the metal pot body is driven to rotate through the gear shaft 12 and finally rotates while being circulated above the feeding pipe 7, the fine sand gradually rises to the top end of the air jet head 8, the air jet port of the air jet head 8 is covered with a layer of fine sand, the fine sand is met with the vertically upward-jetted gas, the gas is jetted vertically and upwards from the feeding pipe 7 at high speed, the fine sand is collided with the surface of the metal pot body for sand blasting, finally, after the metal pot body is 180 degrees above the feeding pipe 7, the sand blasting process is completed, the fine sand reaches the outer box 9 along with the transmission belt 14, the pot body is replaced, and the next piece is jetted out, and the action of the kinetic energy of the metal pot body falls down again after the turnover, and the outer box is lost, and the kinetic energy of the lower limit box is lowered again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a corrosion-resistant surface treatment of metal pot body high rigidity is with sand blasting machine, includes fixed case (1), its characterized in that: the fixed box (1), the top fixed mounting of fixed box (1) has gas transmission ring (2), sealing ring (3) has been cup jointed in the inside activity of gas transmission ring (2), the inboard fixed connection central siphon of sealing ring (3), the central siphon has four and fixedly connected with air guide plate (4), fixed mounting has support ring (5) on air guide plate (4), the top fixed mounting of support ring (5) has last shrouding (6), the even fixed mounting in top that goes up shrouding (6) and be located air guide plate (4) has inlet pipe (7), the even fixed mounting in upper surface of air guide plate (4) has jet head (8), the bottom and the inner chamber intercommunication of air guide plate (4) of jet head (8), the first half portion of jet head (8) cup joints the activity with the inner chamber activity of inlet pipe (7) and cup joints, the side fixed connection of gas transmission ring (2) intake pipe (24), the inside of fixed box (1) just is located the below fixed mounting of air guide plate (4) and is cup joints case (17), the top fixed mounting of gas transmission ring (17) has the spiral blade (16) and the rotation axis (18) of spiral fixed mounting on the central blade (16), the inside even fixed mounting that the outside of sealing ring (3) just is located gas transmission ring (2) has rotating vane (25), air jet head (8) are through air guide plate (4) and the inner chamber intercommunication of sealing ring (3).

2. The sand blasting machine for high-hardness corrosion-resistant surface treatment of the metal pot body according to claim 1, characterized in that: the ratchet wheel clamping box is characterized in that a ratchet wheel clamping box (20) is fixedly installed in the middle of the bottom face of the fixed box (1), a ratchet wheel is fixedly sleeved inside the ratchet wheel clamping box (20) on the rotating shaft (16), the ratchet wheel is movably sleeved with the ratchet wheel clamping box (20), one-way valves are fixedly installed on the shaft tubes, and the pressure of gas filled into the gas inlet pipe (24) is greater than the pressure of gas ejected from the gas ejecting head (8).

3. The sand blasting machine for high-hardness corrosion-resistant surface treatment of the metal pot body according to claim 1, characterized in that: the bottom surface fixed mounting of fixed case (1) has under casing (19), the bottom and under casing (19) swing joint of rotation axis (16), the bottom of rotation axis (16) and the inside fixed cup joint that is located under casing (19) have speed limit dish (21), threaded rod (22) have been cup jointed to the bilateral symmetry screw thread of under casing (19), threaded rod (22) are close to the one end swing joint of speed limit dish (21) and have speed limit fixture block (23), speed limit fixture block (23) and under casing (19) activity joint.

4. The sand blasting machine for high-hardness corrosion-resistant surface treatment of the metal pot body according to claim 1, characterized in that: the last fixed surface of gas transmission ring (2) installs outer container (9), the inside fixed mounting of outer container (9) has inner box (10), the top fixed mounting of inner box (10) has the rack, movable joint has gear shaft (12) on the rack, the right-hand member fixed mounting of gear shaft (12) has spacing wheel (13), the draw-in groove has been seted up on the lateral wall of outer container (9), spacing wheel (13) and draw-in groove activity joint, drive belt (14) have been cup jointed in its top activity that is located gear shaft (12) of the inside of outer container (9), the below fixed mounting of drive belt (14) has pull ring (15), pull ring (15) and cup joint in the activity of gear shaft (12), the left end fixed mounting of gear shaft (12) has the sucking disc, the bottom surface of outer container (9) and the left part fixed mounting who is located fixed box (1) have supporting leg (11).

5. The sand blasting machine for high-hardness corrosion-resistant surface treatment of the metal pot body according to claim 1, characterized in that: the maximum diameter of the air nozzle (8) is half of the diameter of the inner ring of the feeding pipe (7), and the top end of the air nozzle (8) is positioned at the top two thirds position of the feeding pipe (7).

6. The sand blasting machine for high-hardness corrosion-resistant surface treatment of the metal pot body according to claim 1, characterized in that: the upper sealing plate (6) is conical, and the height of the upper surface of the air nozzle (8) is the same as that of the vertex of the upper sealing plate (6).

7. A blasting method for treating a high-hardness corrosion-resistant surface of a metal pot body according to any one of claims 1 to 6, comprising the steps of:

s1, filling a sufficient amount of fine sand into the fixed box (1), introducing high-pressure gas into the gas transmission ring (2) through the transmission belt (14), enabling the high-pressure gas to enter the sealing ring (3) to impact the rotating blades (25), enabling a part of the high-pressure gas to flow from the shaft pipe to the gas guide plate (4), and finally uniformly spraying the high-pressure gas upwards from the feeding pipe (7), ensuring that the gas amount entering from the transmission belt (14) is larger than the gas amount sprayed from the feeding pipe (7), gradually pressurizing the other part of the gas in the sealing ring (3) and positioned between the two rotating blades (25), and pushing the rotating blades (25) to rotate along with the increase of the pressure;

s2, the rotating blades (25) rotate, and the supporting ring (5) and the rotating shaft (16) are respectively driven by the sealing ring (3) and the shaft tube air guide plate (4). The rotating shaft (16) drives the helical blade (18) to rotate, and the helical blade (18) gradually inputs the fine sand in the fixed box (1) into the conveying box (17) so that the fine sand gradually spreads into the feeding pipe (7) and gradually reaches the top end of the air nozzle (8);

s3, adsorbing the metal pot body by using a sucking disc, driving a gear shaft (12) to advance in an outer box (9) through a transmission belt (14) and a pulling ring (15), driving the metal pot body to rotate through the gear shaft (12) due to the matching of the gear shaft (12) and a rack, and finally rotating while revolving above a feeding pipe (7);

s4, after the fine sand gradually rises to the top end of the jet head (8), covering a layer of fine sand on the jet port of the jet head (8) to meet the gas jetted vertically upwards, wherein the gas impacts the fine sand and is jetted vertically upwards from the feed pipe (7) at a high speed to impact the surface of the metal pot body;

s5, after the metal pot body rotates 180 degrees above the feeding pipe (7), the sand blasting process is completed, the pot body is replaced along with the fact that the transmission belt (14) reaches the opening of the outer box (9), sand blasting is conducted on the next piece, and the sprayed fine sand loses kinetic energy after impacting the metal pot body, descends under the action of gravity and limits the outer box (9), and falls into the fixing box (1) again.