Sand blasting equipment for surface treatment of machined part

Abstract

The utility model discloses sand blasting equipment for processing the surface of a workpiece, an electroplated workpiece is placed in a sand blasting box to complete sand blasting cleaning operation, a pressure air pipe is connected above the sand blasting box in a penetrating manner, a spray gun is mounted below the pressure air pipe, and the side of the spray gun is connected with a feeding pipe; a workbench is mounted in the middle of the bottom surface in the sand blasting box; a cleaning direction control mechanism is mounted between the spray gun and the sand blasting box, so that the sand blasting cleaning range is regulated and controlled, and the surface treatment effect of the electroplated workpiece is improved; a working frame is fixedly installed on the lower surface of the sand blasting box, a sand grain separating mechanism is installed on the inner side of the working frame, and waste sand obtained after sand blasting treatment is screened out, so that follow-up sand grains can be reused. According to the sand blasting equipment for surface treatment of the machined part, a self-cleaning structure is arranged in the sand blasting equipment, residual sand grains and stains on the surface of the workpiece can be removed, and the use function of the equipment is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of electroplating sandblasting surface treatment, in particular to sandblasting equipment for surface treatment of processed parts. Background Art

[0002] During the production and processing of the workpiece, the surface contains some burrs and corrosion reactants. The sandblasting equipment can quickly remove the burrs and corrosion reactants on the surface of the workpiece, revealing the original material of the workpiece. After the surface of the workpiece is processed, it can continue to be processed and produced;

[0003] The application number is CN213999122U, which is a sandblasting device for hardware electroplating. The structure includes a cylinder, a control switch, an observation window, a spray gun, a cover plate, an operating hole, a bracket, a sewage outlet, and a hanging chain. The cylinder is fixed at the upper end of the control switch, the spray gun is fixed at the inner position of the observation window, the cover plate and the hanging chain are movably matched, the operating hole and the cover plate are nested and connected, the sewage outlet is fixed at the lower end of the spray gun, and the bracket is fixed at the lower end of the cover plate. The inside of the observation window is composed of a motor, a clamping device, a transmission rod, a sleeve, an inner glass, and a scraper. The motor and the transmission rod are movably matched, and the clamping device is threadedly connected to the transmission rod. The observation window is cleaned by the clamping device and the scraper, and the movable match drives it to move. When moving, the glass in the observation window is scraped and wiped to avoid granular materials splashing to the top, and the object processing situation cannot be observed. The utility model effectively solves the problem of blurring when the observation window is used through the movable match; however, the sandblasting device is not convenient for cleaning the sand particles remaining on the surface of the workpiece during use, and the processed workpiece needs to be processed again, which increases the processing technology;

[0004] After the existing workpiece surface is sandblasted, some sand particles adhere to the workpiece surface, which requires workers to clean it, increasing the workpiece processing steps. In addition, some sandblasting devices directly discharge the processed sand particles, resulting in a large amount of sand waste, which increases the process cost.

[0005] Therefore, it is necessary to design a sandblasting equipment for surface treatment of workpieces in view of the above problems. Utility Model Content

[0006] The utility model aims to provide a sandblasting device for surface treatment of workpieces, so as to solve the problems raised in the above background technology that after the existing surface of some workpieces is sandblasted, some sand particles adhere to the surface of the workpiece, and the staff need to clean it, which increases the workpiece processing steps, and some sandblasting devices directly discharge the processed sand particles, resulting in a large amount of sand waste and increased process costs.

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a sandblasting device for surface treatment of workpieces, wherein the electroplated workpiece is placed inside a sandblasting box to complete the sandblasting cleaning operation, a pressure air pipe is connected through the top of the sandblasting box, a spray gun is installed below the pressure air pipe, and a feed pipe is connected to the side of the spray gun;

[0008] A sandblasting device for surface treatment of a workpiece, comprising:

[0009] A workbench is installed in the middle of the inner bottom surface of the sandblasting box, and an internal threaded shaft is rotatably connected through the middle of the inner top surface of the sandblasting box, and a threaded rod is connected through the lower part of the internal threaded shaft, a press table is fixedly installed on the lower surface of the threaded rod, and the upper surface side of the press table is connected to the top surface of the sandblasting box through a lifting rod;

[0010] The lower surface of the sandblasting box is symmetrically provided with a discharge groove and an inclined groove on both sides, and the discharge groove is distributed through the bottom surface of the sandblasting box, and the inclined groove and the discharge groove are connected to each other;

[0011] A cleaning control mechanism is installed between the spray gun and the sandblasting box to adjust the sandblasting cleaning range and improve the surface treatment effect of the electroplated workpiece;

[0012] A working frame is fixedly mounted on the lower surface of the sandblasting box, and a sand separation mechanism is mounted on the inner side of the working frame to screen out the waste sand from the sandblasting process so that the subsequent sand can be reused.

[0013] Preferably, the press platform and the workbench are correspondingly distributed up and down, and a threaded transmission structure is formed above the press platform through a threaded rod and an internal threaded shaft.

[0014] Preferably, the cleaning control mechanism includes an electric cylinder fixedly mounted on the inner wall of the sandblasting box, and a control frame is fixed to the upper lifting end of the electric cylinder, and a damping slide disc is embedded in the interior of the control frame, and the damping slide disc is sleeved and mounted on the outside of the spray gun.

[0015] Preferably, the damping slide plate and the direction control frame form a snap-fit ​​sliding structure, and five groups of damping slide plates and spray guns are correspondingly arranged in the direction control frame, and the pressure air pipe and feed pipe connected to the side of the spray gun are hose structures;

[0016] The feed pipe connected to the left side of the spray gun controls the flow of clean water, and the feed pipe connected to the right side of the spray gun controls the flow of sand in and out.

[0017] Preferably, the sand separation mechanism includes a water tank embedded and fixed on the inner side of the working frame, a sieve plate frame is installed above the water tank, and a fixing plate is fixedly installed on the inner wall of the water tank, a sliding rod is connected to the inside of the fixing plate, and a vibration frame is fixedly installed on the upper surface of the sliding rod, and a vibration spring is installed on the outer sleeve of the sliding rod, a transmission shaft is rotatably connected to the lower inner side of the water tank, a cam is fixed to the outside of the transmission shaft, and a transmission disk is fixedly installed on the outer side of the transmission shaft, and the front and rear sets of transmission disks are connected to each other by belts.

[0018] Preferably, the sieve frame and the water tank form a snap-fit ​​assembly structure, and the left and right sides of the sieve frame are inclined structures, and the water tank is connected to the inside of the sandblasting box through a discharge chute.

[0019] Preferably, the upper surface of the vibration frame and the lower surface of the sieve plate frame are in contact with each other, and the vibration frame forms an elastic sliding structure through a vibration spring, a slide rod and a fixed plate, and the slide rod and the cam are correspondingly distributed up and down.

[0020] Compared with the prior art, the beneficial effects of the utility model are as follows: the sandblasting equipment for surface treatment of workpieces has the following specific contents:

[0021] 1. There are two groups of spray guns on the left and right sides of the sandblasting box. The feed pipe connected to the side of the left spray gun controls the flow of clean water, and the feed pipe connected to the side of the right spray gun controls the flow of sand in and out. The high-pressure spray of the right spray gun can sandblast the surface of the workpiece, and the high-pressure spray of the left spray gun can clean the residual sand on the surface of the workpiece. The cleaned workpiece can be directly taken out for the next step of processing;

[0022] The outside of the spray gun is provided with structures such as a damping slide plate and a control frame. By sliding and adjusting the position of the damping slide plate inside the control frame, the distance between two adjacent groups of spray guns can be adjusted to control the sandblasting range;

[0023] At the same time, the electric cylinder can push the control frame up and down, and during the up and down movement, the spray gun penetrating inside can be driven to move up and down synchronously, further adjusting the range of the spray gun sandblasting processing;

[0024] 2. A water tank is provided under the sandblasting box. After the workpiece inside the sandblasting box is cleaned, the waste liquid flushed by the water flow enters the water tank. Under the filtering effect of the sieve tray, the sand particles and the water flow can be separated, and the separated sand particles can be recycled and reused;

[0025] A vibration structure composed of a vibration frame, a vibration spring, a sliding rod, a cam and a transmission shaft is arranged below the sieve frame. The vibration structure can accelerate the sieve frame to achieve solid-liquid separation, so that the sand particles are concentrated and quickly collected on the sieve frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the vertical structure of the sandblasting box of the utility model;

[0027] Figure 2 This is a schematic diagram of the elevation structure of the workbench and the press table of the utility model;

[0028] Figure 3 This is a schematic diagram of the vertical structure of the spray gun of the utility model;

[0029] Figure 4 This is a schematic diagram of the vertical structure of the control frame of the utility model;

[0030] Figure 5 This is a schematic diagram of the vertical structure of the water tank of the utility model;

[0031] Figure 6 This is a schematic diagram of the cross-sectional structure of the sieve tray frame of the utility model;

[0032] Figure 7 It is a schematic diagram of the vertical structure of the cam of the utility model.

[0033] In the figure: 1. sandblasting box; 2. pressure air pipe; 3. spray gun; 4. feed pipe; 5. workbench; 6. internal threaded shaft; 7. threaded rod; 8. press table; 9. lifting rod; 10. discharge chute; 11. inclined chute; 12. electric cylinder; 13. control frame; 14. damping slide plate; 15. work frame; 16. water tank; 17. sieve plate frame; 18. fixing plate; 19. slide rod; 20. vibration frame; 21. vibration spring; 22. transmission shaft; 23. cam; 24. transmission plate; 25. belt. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Embodiment 1

[0036] like Figure 1-Figure 2 As shown, the sandblasting equipment is provided with a workpiece limiting mechanism, which can maintain the stability of the workpiece sandblasting processing. The specific structure is as follows:

[0037] The electroplated workpiece is placed inside the sandblasting box 1 to complete the sandblasting cleaning operation. A pressure air pipe 2 is connected to the top of the sandblasting box 1, and a spray gun 3 is installed below the pressure air pipe 2, and a feeding pipe 4 is connected to the side of the spray gun 3; a workbench 5 is installed in the middle of the inner bottom surface of the sandblasting box 1, and an internal threaded shaft 6 is rotatably connected to the middle of the inner top surface of the sandblasting box 1, and a threaded rod 7 is connected to the bottom of the internal threaded shaft 6, a press table 8 is fixedly installed on the lower surface of the threaded rod 7, and the upper surface side of the press table 8 is connected to the top surface of the sandblasting box 1 through a lifting rod 9; the lower surface of the sandblasting box 1 is symmetrical on both sides. A discharge trough 10 and an inclined trough 11 are provided, and the discharge trough 10 and the bottom surface of the sandblasting box 1 are distributed throughout, and the inclined trough 11 and the inside of the discharge trough 10 are mutually connected; a cleaning control mechanism is installed between the spray gun 3 and the sandblasting box 1 to adjust the range of sandblasting cleaning and improve the surface treatment effect of the electroplating workpiece; a working frame 15 is fixedly installed on the lower surface of the sandblasting box 1, and a sand separation mechanism is installed on the inner side of the working frame 15 to screen out the waste sand from the sandblasting treatment so that the subsequent sand can be reused; the pressing platform 8 and the working platform 5 are correspondingly distributed up and down, and a threaded transmission structure is formed above the pressing platform 8 through a threaded rod 7 and an internal threaded shaft 6;

[0038] Place the workpiece on the workbench 5, adjust the corresponding position of the pressing platform 8 according to the height of the workpiece, run the motor to control the internal threaded shaft 6 to rotate, and under the action of the threaded transmission structure, control the threaded rod 7 and the pressing platform 8 to move downward, and the lifting rod 9 connected between the pressing platform 8 and the sandblasting box 1 is automatically raised and lowered to control the pressing platform 8 to move downward and press and reinforce the surface of the workpiece, so as to achieve the processing limit effect on the workpiece;

[0039] Embodiment 2

[0040] like Figure 1 , Figure 3 and Figure 4 As shown, the sandblasting range can be adjusted according to the processing conditions of the workpiece to improve the effect of the sandblasting processing of the workpiece, and it can be self-cleaned after the sandblasting process. The specific structure is as follows:

[0041] The cleaning control mechanism includes an electric cylinder 12 fixedly mounted on the inner wall of the sandblasting box 1, and a control frame 13 is fixed on the upper lifting end of the electric cylinder 12, and a damping slide plate 14 is embedded and installed inside the control frame 13, and the damping slide plate 14 is sleeved and installed on the outside of the spray gun 3; the damping slide plate 14 and the control frame 13 constitute a snap-fit ​​sliding structure, and the damping slide plate 14 and the spray gun 3 are correspondingly arranged in five groups in the control frame 13, and the pressure air pipe 2 and the feed pipe 4 connected to the side of the spray gun 3 are hose structures; the feed pipe 4 connected to the side of the left spray gun 3 controls the flow of cleaning water, and the feed pipe 4 connected to the side of the right spray gun 3 controls the flow of sand particles in and out;

[0042] The spray gun 3 on the right side controls the sand to be sprayed outward at a high speed under the action of high pressure, and the sand is sprayed onto the surface of the workpiece. The sprayed sand can clean the burrs and some corrosion layers on the surface of the workpiece. The workpiece after sandblasting is reversely arranged between the worktable 5 and the press table 8, and the spray gun 3 on the left side is controlled to start spraying clean water to act on the surface of the workpiece, so as to clean the sand and stains remaining on the surface of the workpiece;

[0043] According to the shape and size of the workpiece, the spray range of the spray gun 3 can be adjusted, and the damping slide plate 14 is controlled to slide inside the control frame 13, and the damping slide plate 14 drives the spray gun 3 to slide synchronously, and the distance between two adjacent groups of spray guns 3 is adjusted, so as to adjust the horizontal spray range, and the electric cylinder 12 is operated to push the control frame 13 to move up and down, and the control frame 13 drives the spray gun 3 to move up and down synchronously, so as to expand the longitudinal spray range of the spray gun 3;

[0044] Embodiment 3

[0045] like Figure 1-Figure 2 and Figure 5-Figure 7 As shown, the sandblasting equipment can separate and recycle the cleaning waste liquid and improve the utilization rate of process sand. The specific structure is as follows:

[0046] The sand separation mechanism includes a water tank 16 embedded and fixed on the inner side of the working frame 15, a sieve plate frame 17 is installed above the water tank 16, and a fixing plate 18 is fixedly installed on the inner wall of the water tank 16, a sliding rod 19 is connected to the inside of the fixing plate 18, and a vibration frame 20 is fixedly installed on the upper surface of the sliding rod 19, and a vibration spring 21 is installed on the outer sleeve of the sliding rod 19, a transmission shaft 22 is rotatably connected to the lower inner side of the water tank 16, and a cam 23 is fixed to the outside of the transmission shaft 22, and the outer side of the transmission shaft 22 A transmission disc 24 is fixedly installed on the side, and the front and rear sets of transmission discs 24 are connected to each other through a belt 25; the sieve frame 17 and the water tank 16 form a snap-fit ​​assembly structure, and the left and right sides of the sieve frame 17 are inclined, and the water tank 16 is connected to the inside of the sandblasting box 1 through the discharge chute 10; the upper surface of the vibration frame 20 and the lower surface of the sieve frame 17 are in contact with each other, and the vibration frame 20 forms an elastic sliding structure with the fixed plate 18 through the vibration spring 21 and the slide rod 19, and the slide rod 19 and the cam 23 are correspondingly distributed up and down;

[0047] The waste liquid from the workpiece surface cleaning treatment enters the water tank 16 below through the chute 11 and the discharge chute 10. After the waste liquid is filtered by the sieve plate frame 17, the sand particles are isolated on the surface of the sieve plate frame 17 and in the water tank 16 where the waste water is concentrated, so as to achieve solid-liquid separation, so as to facilitate the subsequent recovery and reuse of the sand particles.

[0048] The running motor controls the transmission disc 24 to rotate. Under the transmission action of the two sets of transmission discs 24 and the belt 25, the two sets of transmission shafts 22 can be driven to rotate. The transmission shaft 22 controls the rotation of the cam 23. During the rotation of the cam 23, the slide bar 19 is pushed to slide upward through the inside of the fixed plate 18. The slide bar 19 pushes the vibration frame 20 to move upward synchronously. When the cam 23 is separated from the bottom of the slide bar 19, under the elastic thrust of the vibration spring 21, the vibration frame 20 vibrates on the surface of the sieve plate frame 17, so that the sieve plate frame 17 vibrates and screens, thereby accelerating the speed of solid-liquid separation.

[0049] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sandblasting device for surface treatment of a workpiece, the sandblasting device comprising a sandblasting box (1), characterized in that: A pressure air pipe (2) is connected to the top of the sandblasting box (1), a spray gun (3) is installed below the pressure air pipe (2), and a feed pipe (4) is connected to the side of the spray gun (3); A workbench (5) is installed in the middle of the inner bottom surface of the sandblasting box (1), and an internal threaded shaft (6) is rotatably connected to the middle of the inner top surface of the sandblasting box (1), and a threaded rod (7) is connected to the lower part of the internal threaded shaft (6), and a pressing table (8) is fixedly installed on the lower surface of the threaded rod (7), and the upper surface side of the pressing table (8) is connected to the top surface of the sandblasting box (1) through a lifting rod (9); a discharge trough (10) and an inclined trough (11) are symmetrically opened on the left and right sides of the lower surface of the sandblasting box (1), and the discharge trough (10) is distributed through the bottom surface of the sandblasting box (1), and the inclined trough (11) and the inside of the discharge trough (10) are connected to each other; A working frame (15) is fixedly mounted on the lower surface of the sandblasting box (1), and a sand separation mechanism is mounted on the inner side of the working frame (15) to screen out waste sand from the sandblasting process so that the sand can be reused in subsequent processes; A cleaning direction control mechanism is installed between the spray gun (3) and the sandblasting box (1) to adjust the sandblasting cleaning range and improve the surface treatment effect of the electroplated workpiece.

2. The sandblasting equipment for surface treatment of workpiece according to claim 1, characterized in that: The pressing platform (8) and the working platform (5) are arranged correspondingly up and down, and a threaded transmission structure is formed above the pressing platform (8) through a threaded rod (7) and an internal threaded shaft (6).

3. The sandblasting equipment for surface treatment of workpiece according to claim 1, characterized in that: The cleaning direction control mechanism comprises an electric cylinder (12) fixedly mounted on the inner wall of the sandblasting box (1), a direction control frame (13) is fixedly mounted on the upper lifting end of the electric cylinder (12), and a damping sliding disc (14) is embedded and mounted inside the direction control frame (13); The damping sliding disc (14) is sleeved and installed on the outside of the spray gun (3).

4. The sandblasting equipment for surface treatment of workpiece according to claim 3, characterized in that: The damping sliding disc (14) and the control frame (13) form a snap-fit ​​sliding structure, and five groups of the damping sliding disc (14) and the spray gun (3) are arranged in the control frame (13) correspondingly, and the pressure air pipe (2) and the feed pipe (4) connected to the side of the spray gun (3) are hose structures; The feed pipe (4) connected to the side of the left spray gun (3) controls the flow of clean water, and the feed pipe (4) connected to the side of the right spray gun (3) controls the flow of sand particles in and out.

5. The sandblasting equipment for surface treatment of workpiece according to claim 1, characterized in that: The sand separation mechanism comprises a water tank (16) embedded and fixed on the inner side of the working frame (15), a sieve plate frame (17) is installed above the water tank (16), and a fixing plate (18) is fixedly installed on the inner wall of the water tank (16), a sliding rod (19) is connected to the inside of the fixing plate (18), a vibration frame (20) is fixedly installed on the upper surface of the sliding rod (19), and a vibration spring (21) is sleeved and installed on the outside of the sliding rod (19), a transmission shaft (22) is rotatably connected to the lower side of the inner side of the water tank (16), a cam (23) is fixed to the outside of the transmission shaft (22), and a transmission plate (24) is fixedly installed on the outer side of the transmission shaft (22), and the front and rear sets of transmission plates (24) are connected to each other via a belt (25).

6. The sandblasting equipment for surface treatment of workpiece according to claim 5, characterized in that: The sieve frame (17) and the water tank (16) form a snap-fit ​​assembly structure, and the left and right sides of the sieve frame (17) are inclined structures, and the water tank (16) is connected to the inside of the sandblasting box (1) through the discharge chute (10); The upper surface of the vibration frame (20) and the lower surface of the sieve plate frame (17) are in contact with each other, and the vibration frame (20) forms an elastic sliding structure with the vibration spring (21) and the slide rod (19) and the fixed plate (18), and the slide rod (19) and the cam (23) are correspondingly distributed up and down.

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