Upper pressing type double-station sand blasting device

Abstract

The utility model relates to an upper pressing type double-station sand blasting device which comprises a sand blasting bin and a workpiece rotating device, and the workpiece rotating device comprises a workpiece clamp and a driving assembly. A cyclone dust removal device; the spray gun device comprises a spray gun body; and the sand separator is arranged at the bottom of the sand blasting bin. A semi-automatic working mode is adopted, a worker only needs to go up and down a workpiece, the angle and height of a spray gun body are adjusted, the single-time machining time is set, the worker places the workpiece on a workpiece clamp, after equipment is started, an air source power source of the equipment is switched on, the driving assembly drives the workpiece clamp to rotate, and then the workpiece on the workpiece clamp is driven to rotate at a constant speed. The spray gun body automatically carries out sand blasting cleaning work on the surface of a workpiece, most of sand grains directly fall into the sand separator, and a small part of sand grains are sucked out along with the cyclone dust removal device and then recycled into the sand separator for use next time.

Description

Technical Field

[0001] The utility model relates to the technical field of sandblasting equipment, in particular to an upper pressure type double-station sandblasting device. Background Art

[0002] Sandblasting machine is a machine that uses compressed air as power to form a high-speed jet beam to spray the material at high speed onto the surface of the workpiece to be processed, so that the mechanical properties of the outer surface of the workpiece surface change. The working principle of sandblasting is to use compressed air as power to form a high-speed jet beam to spray the material (copper ore sand, quartz sand, corundum, iron sand, sea sand, etc.) at high speed onto the surface of the workpiece to be processed, so that the appearance or shape of the workpiece surface changes. Due to the impact and cutting action of the abrasive on the surface of the workpiece, the surface of the workpiece obtains a certain degree of cleanliness and different roughness, so that the mechanical properties of the workpiece surface are improved, thereby improving the fatigue resistance of the workpiece, increasing the adhesion between it and the coating, extending the durability of the coating, and also facilitating the leveling and decoration of the coating. Sandblasting can also remove rust. Sandblasting rust removal is mainly a high-speed jet method formed by the principle of air compression as power. Sandblasting materials can be divided into several types, namely garnet sand, quartz sand, copper ore sand, iron sand, corundum, etc. This kind of sandblasting used on the surface of the workpiece can help it remove rust and effectively improve its surface.

[0003] The pre-treatment stage of the sandblasting process refers to the treatment that should be performed on the surface of the workpiece before the workpiece is sprayed or sprayed with a protective layer. The quality of the pre-treatment of the sandblasting process affects the adhesion, appearance, moisture resistance and corrosion resistance of the coating. If the pre-treatment work is not done well, rust will continue to spread under the coating, causing the coating to fall off in pieces. Traditional heating plate welding slag cleaning sandblasting is generally processed by manual sandblasting machines. The labor intensity of the operators is high and the efficiency is low, the product quality is unstable, and the dust pollution is large, which can easily cause damage to the workers' bodies. In view of this, we propose an upper pressure double-station sandblasting device. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art, meet the actual needs, and provide an upper pressure type double-station sandblasting device to solve the technical problems that the traditional heating plate welding slag cleaning and sandblasting generally adopts manual sandblasting machine processing, has high labor intensity, low efficiency and unstable product quality.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is:

[0006] An upper pressure type double-station sandblasting device comprises a sandblasting chamber; a workpiece rotating device, wherein the workpiece rotating device comprises a workpiece fixture arranged in the sandblasting chamber, and a driving assembly for driving the workpiece fixture to rotate;

[0007] A cyclone dust removal device is arranged at the back of the sandblasting chamber and is used to remove dust inside the sandblasting chamber;

[0008] A spray gun device, the spray gun device comprising a spray gun body installed inside a sandblasting chamber, the spray gun body being arranged above a workpiece fixture, and a nozzle center line of the spray gun body being inclined relative to an axis of the workpiece fixture;

[0009] The sand separator is arranged at the bottom of the sandblasting chamber, and the top opening of the sand separator is communicated with the bottom opening of the sandblasting chamber, and the sand pipe interface at the bottom of the sand separator is communicated with the sandblasting pipe of the spray gun body.

[0010] The utility model adopts a semi-automatic working mode. The worker only needs to raise and lower the workpiece, adjust the angle and height of the spray gun body, set the single processing time, and place the workpiece on the workpiece fixture. After the equipment is started, the air source power of the equipment is turned on, and the driving component drives the workpiece fixture to rotate, thereby driving the workpiece on the workpiece fixture to rotate at a uniform speed. The spray gun body automatically performs sandblasting and cleaning on the surface of the workpiece. Most of the sand particles fall directly into the sand separator, and a small amount of sand particles are sucked out by the cyclone dust removal device and then recovered into the sand separator. Large-grained sand materials automatically slide into the sand hopper from the sand discharge chute at the bottom of the cyclone separator for continued recycling, and fine dust is discharged from the top exhaust port.

[0011] Preferably, a door slot is provided on the front of the sandblasting chamber; guide rails are provided on the upper and lower sides of the door slot and along the length direction of the sandblasting chamber, and a chamber door is slidably connected to the guide rail, and the chamber door can slide and close the door slot.

[0012] Preferably, the driving assembly comprises a rotating motor, a fixed base plate, a rotating bearing, a belt pulley group and a turntable; the rotating motor is installed on the back of the sandblasting chamber, and the output shaft of the rotating motor extends downward; the side of the fixed base plate is fixedly connected to the inner wall of the sandblasting chamber; the rotating bearing is fixed to the fixed base plate; the driving pulley of the belt pulley group is coaxially connected to the end of the output shaft of the rotating motor, the driven pulley of the belt pulley group is coaxially connected to the inner hole of the rotating bearing, and one end of the belt of the belt pulley group is wound around the driving pulley, and the other end extends to the inside of the sandblasting chamber and is wound around the driven pulley; the lower end of the turntable is coaxially connected to the driven pulley of the belt pulley group through a connecting shaft, and the workpiece fixture is fixedly installed on the top of the turntable.

[0013] Preferably, the cyclone dust removal device includes a dust removal cyclone separator, a top air duct interface and a sand recovery chute; the dust removal cyclone separator is installed on the back of the sandblasting chamber; one end of the top air duct interface is connected to the top inlet of the dust removal cyclone separator, and the side air outlet interface is connected to the interior of the sandblasting chamber; one end of the sand recovery chute is connected to the bottom outlet of the dust removal cyclone separator, and the other end of the sand recovery chute is connected to the interior of the sandblasting chamber.

[0014] Preferably, the spray gun device further comprises a spray gun fixing rod, one end of which is detachably connected to the inside of the sandblasting chamber via bolts, and the spray gun body is detachably connected to the other end of the spray gun fixing rod via bolts.

[0015] Preferably, it also includes an upward pressure mechanism, which includes a support column, a cylinder fixing plate, a first cylinder and a protective pressure plate; the cylinder fixing plate is supported and fixed above the fixed base plate by the support column; the first cylinder is installed on the cylinder fixing plate, and the piston rod of the first cylinder passes through the cylinder fixing plate and extends to the bottom thereof; the protective pressure plate is connected to the end of the piston rod of the first cylinder through a connecting shaft.

[0016] Preferably, it also includes a pneumatic component, which includes a second cylinder, a guide rod and a connecting frame; the second cylinder is installed at the upper end of the front side of the sandblasting chamber, and the piston rod of the second cylinder extends or contracts along the length direction of the sandblasting chamber; the guide rod is arranged in parallel on the upper side of the piston rod of the second cylinder; the upper end of the connecting frame is sleeved on the guide rod, the middle part of the connecting frame is fixedly connected to the end of the piston rod of the second cylinder, and the other end of the connecting frame is fixedly connected to the chamber door.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model adopts a semi-automatic working mode. Workers only need to raise and lower the workpiece, adjust the angle and height of the spray gun body, set the single processing time, and place the workpiece on the workpiece fixture. After the equipment is started, the air source power of the equipment is turned on. The drive component drives the workpiece fixture to rotate, and then drives the workpiece on the workpiece fixture to rotate at a uniform speed. The spray gun body automatically performs sandblasting and cleaning on the surface of the workpiece. Most of the sand particles fall directly into the sand separator, and a small amount of sand particles are sucked out by the cyclone dust removal device and then recovered into the sand separator. Large-grained sand materials automatically slide into the sand hopper from the sand discharge chute at the bottom of the cyclone separator for continued recycling, and fine dust is discharged from the top exhaust port.

[0019] 2. The spray gun body of the utility model is detachably connected to the spray gun fixing rod by bolts, so that the height and angle of the spray gun body can be adjusted by the bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of an embodiment of an upper pressure type double-station sandblasting device of the utility model;

[0021] Figure 2 It is a perspective structural diagram of an upper pressure type double-station sandblasting device according to an embodiment of the utility model;

[0022] Figure 3 It is a front view structural schematic diagram of an upper pressure type double-station sandblasting device according to an embodiment of the utility model;

[0023] Figure 4 It is a side structural schematic diagram of an upper pressure type double-station sandblasting device according to an embodiment of the utility model;

[0024] Figure 5 For the utility model embodiment Figure 2 A is an enlarged structural diagram of FIG.

[0025] Description of the numbers in the figure:

[0026] 1. Sandblasting chamber; 11. Door slot; 12. Guide rail; 13. Chamber door; 2. Workpiece rotating device; 21. Workpiece fixture; 22. Driving assembly; 221. Rotating motor; 222. Fixed bottom plate; 223. Rotating bearing; 224. Belt and pulley assembly; 225. Turntable; 3. Cyclone dust removal device; 31. Dust removal cyclone separator; 32. Top air duct interface; 33. Sand recovery slide; 4. Spray gun device; 41. Spray gun body; 42. Spray gun fixing rod; 5. Sand separator; 6. Upper pressure mechanism; 61. Support column; 62. Cylinder fixing plate; 63. First cylinder; 64. Protective pressure plate; 7. Pneumatic assembly; 71. Second cylinder; 72. Guide rod; 73. Connecting frame. DETAILED DESCRIPTION

[0027] In order to facilitate those skilled in the art to understand the technical solution of the present invention, the technical solution of the present invention is further described in conjunction with the accompanying drawings of the specification.

[0028] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0029] Example 1

[0030] like Figure 1-4As shown, this embodiment provides an upper pressure type double-station sandblasting device, including a sandblasting chamber 1, a workpiece rotating device 2, a cyclone dust removal device 3, a spray gun device 4, a sand separator 5, an upper pressure mechanism 6 and a pneumatic component 7.

[0031] like Figure 1-4 As shown, and specifically Figure 1 With reference to the orientation of , the sandblasting chamber 1 of the present embodiment is supported by a bracket, and the bracket is a frame structure formed by welding or fixing with screws using steel pipes, and the sandblasting chamber 1 is welded or fixed on the top of the bracket by screws; and the sandblasting chamber 1 of the present embodiment has two door slots 11 on the front, the two door slots 11 are symmetrical and divide the interior of the sandblasting chamber 1 into two sandblasting chambers, and guide rails 12 distributed along the length direction of the entire sandblasting chamber 1 are provided on the upper and lower sides of the door slots 11, and two chamber doors 13 are slidably connected to the guide rails 12, and the two chamber doors 13 can slide on the guide rails 12 at the same time and can close the two door slots 11 respectively.

[0032] like Figure 2 , Figure 4 and Figure 5 As shown, and specifically Figure 1 Taking the orientation as a reference, in this embodiment, a workpiece rotating device 2 is respectively provided in the two sandblasting chambers, and the structures of the two workpiece rotating devices 2 are the same and symmetrical. Therefore, this embodiment is introduced based on the structure of one of the workpiece rotating devices 2. Specifically, the workpiece rotating device 2 includes a workpiece fixture 21 and a driving assembly 22, wherein the driving assembly 22 includes a rotating motor 221, a fixed base plate 222, a rotating bearing 223, a belt pulley group 224 and a turntable 225, the rotating motor 221 is installed on the back of the sandblasting chamber 1, and the output shaft of the rotating motor 221 extends downward; the side of the fixed base plate 222 is fixedly connected to the inner wall of the sandblasting chamber 1; the rotating bearing 223 is fixed on the fixed base plate 222; the driving pulley of the belt pulley group 224 is coaxially connected to the output shaft end of the rotating motor 221, the driven pulley of the belt pulley group 224 is coaxially connected to the inner hole of the rotating bearing 223, and one end of the belt of the belt pulley group 224 is wound around the driving pulley, and the other end extends to the inside of the sandblasting chamber 1 and is wound around the driven pulley; the lower end of the turntable 225 is coaxially connected to the driven pulley of the belt pulley group 224 through a connecting shaft, and the workpiece fixture 21 is fixedly installed on the top of the turntable 225.

[0033] like Figure 1 As shown, and specifically Figure 1With reference to the orientation of , two groups of cyclone dust removal devices 3 of the present embodiment are arranged opposite to each other. The two groups of cyclone dust removal devices 3 are respectively arranged on the back of the sandblasting chamber 1, and are respectively used to remove dust from the two sandblasting chambers of the sandblasting chamber 1; specifically, one of the cyclone dust removal devices 3 is introduced, and the cyclone dust removal device 3 includes a dust removal cyclone separator 31, a top air duct interface 32 and a sand recovery chute 33; the dust removal cyclone separator 31 is installed on the back of the sandblasting chamber 1; one end of the top air duct interface 32 is connected to the top inlet of the dust removal cyclone separator 31, and the other end of the top air duct interface 32 is connected to the inside of the sandblasting chamber 1; one end of the sand recovery chute 33 is connected to the bottom outlet of the dust removal cyclone separator 31,

[0034] like Figure 1 , Figure 4 As shown, and specifically Figure 1 With reference to the orientation, the spray gun devices 4 of this embodiment are relatively arranged in two groups, and the two groups of spray gun devices 4 are respectively arranged in the two sandblasting chambers of the sandblasting chamber 1; specifically, the structure of one of the spray gun devices 4 is introduced, the spray gun device 4 includes a spray gun body 41 and a spray gun fixing rod 42, one end of the spray gun fixing rod 42 is detachably connected to the inside of the sandblasting chamber 1 by bolts, the spray gun body 41 is detachably connected to the other end of the spray gun fixing rod 42 by bolts, and the center line of the nozzle of the spray gun body 41 is inclined relative to the axis of the workpiece clamp 21.

[0035] like Figure 1-4 As shown, and specifically Figure 1 Taking the orientation as a reference, two sand separators 5 are provided in this embodiment. The two sand separators 5 are respectively arranged at the bottom of the sand blasting chamber 1 and are respectively connected with the two sand blasting chambers. The sand pipe interface at the bottom of the sand separator 5 is connected with the sand blasting pipe of the spray gun body 41, and the other end of the sand recovery slide 33 is connected to the inside of the sand separator 5.

[0036] like Figure 2 , Figure 3 and Figure 5 As shown, and specifically Figure 1 With reference to the orientation, two groups of upper pressing mechanisms 6 are correspondingly arranged in this embodiment, and the two groups of upper pressing mechanisms 6 are respectively located above the two groups of workpiece rotating devices 2; specifically, the structure of one of the upper pressing mechanisms 6 is introduced, and the upper pressing mechanism 6 includes a support column 61, a cylinder fixing plate 62, a first cylinder 63 and a protective pressing plate 64; the cylinder fixing plate 62 is supported and fixed above the fixed bottom plate 222 by the support column 61; the first cylinder 63 is installed on the cylinder fixing plate 62, and the piston rod of the first cylinder 63 passes through the cylinder fixing plate 62 and extends to the bottom thereof; the protective pressing plate 64 is connected to the end of the piston rod of the first cylinder 63 through a connecting shaft.

[0037] like Figure 1 , Figure 3 and Figure 4 As shown, and specifically Figure 1 With the orientation as a reference, the pneumatic components 7 of this embodiment are provided with two groups, and the two groups of pneumatic components 7 are respectively used to drive the two bin doors 13 to slide; specifically, the structure of one of the pneumatic components 7 is introduced, and the pneumatic component 7 includes a second cylinder 71, a guide rod 72 and a connecting frame 73; the second cylinder 71 is installed at the upper end of the front side of the sandblasting bin 1, and the piston rod of the second cylinder 71 extends or contracts along the length direction of the sandblasting bin 1; the guide rod 72 is arranged in parallel on the upper side of the piston rod of the second cylinder 71; the upper end of the connecting frame 73 is sleeved on the guide rod 72, the middle part of the connecting frame 73 is fixedly connected to the end of the piston rod of the second cylinder 71, and the other end of the connecting frame 73 is fixedly connected to the bin door 13.

[0038] Working principle: This embodiment provides an upper pressure type double-station sandblasting device. When in use, the worker places the workpiece on the workpiece fixture 21, and then starts the second cylinder 71 to push the connecting frame 73 to move the chamber door 13 left and right along the guide track 12, thereby closing the sandblasting chamber 1 to prevent dust from overflowing; start the first cylinder 63, the piston rod of the first cylinder 63 extends and then drives the protective pressure plate 64 to press on the workpiece, and then starts to connect the equipment air source power supply, the output shaft of the rotating motor 221 rotates and then drives the turntable 225 to rotate through the belt pulley group 224, thereby driving the workpiece fixture 21 to rotate, and then drives the workpiece on the workpiece fixture 21 to rotate at a uniform speed, the spray gun body 41 automatically sandblasts and cleans the surface of the workpiece, most of the sand particles directly fall into the sand separator 5, and a small part of the sand particles are sucked out with the cyclone dust removal device 3 and then recovered into the sand separator 5 for next use.

[0039] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. Upper pressure type double-station sandblasting device, characterized in that: include: Sandblasting chamber (1); A workpiece rotating device (2), the workpiece rotating device (2) comprising a workpiece fixture (21) arranged in a sandblasting chamber (1), and a driving component (22) for driving the workpiece fixture (21) to rotate; A cyclone dust removal device (3) is arranged on the back of the sandblasting chamber (1) and is used to remove dust from the interior of the sandblasting chamber (1); A spray gun device (4), the spray gun device (4) comprising a spray gun body (41) installed inside a sandblasting chamber (1), the spray gun body (41) being arranged above a workpiece fixture (21), and a nozzle center line of the spray gun body (41) being inclined relative to an axis of the workpiece fixture (21); The sand separator (5) is arranged at the bottom of the sandblasting chamber (1), and the top opening of the sand separator (5) is connected to the bottom opening of the sandblasting chamber (1), and the sand pipe interface at the bottom of the sand separator (5) is connected to the sandblasting pipe of the spray gun body (41).

2. The upper pressure type double-station sandblasting device according to claim 1 is characterized in that: The front of the sandblasting chamber (1) is provided with a door slot (11); guide rails (12) are provided on the upper and lower sides of the door slot (11) and along the length direction of the sandblasting chamber (1); a chamber door (13) is slidably connected to the guide rail (12); and the chamber door (13) can slide and close the door slot (11).

3. The upper pressure type double-station sandblasting device according to claim 1 is characterized in that: The driving assembly (22) comprises a rotating motor (221), a fixed base plate (222), a rotating bearing (223), a belt pulley assembly (224) and a rotating disk (225); the rotating motor (221) is mounted on the back of the sandblasting chamber (1), and the output shaft of the rotating motor (221) extends downward; the side edge of the fixed base plate (222) is fixedly connected to the inner wall of the sandblasting chamber (1); the rotating bearing (223) is fixed on the fixed base plate (222); the active shaft of the belt pulley assembly (224) is The pulley is coaxially connected to the end of the output shaft of the rotating motor (221), the driven pulley of the belt pulley group (224) is coaxially connected to the inner hole of the rotating bearing (223), and one end of the belt of the belt pulley group (224) is wound around the driving pulley, and the other end extends to the inside of the sandblasting chamber (1) and is wound around the driven pulley; the lower end of the turntable (225) is coaxially connected to the driven pulley of the belt pulley group (224) through a connecting shaft, and the workpiece fixture (21) is fixedly installed on the top of the turntable (225).

4. The upper pressure type double-station sandblasting device according to claim 1 is characterized in that: The cyclone dust removal device (3) comprises a dust removal cyclone separator (31), a top air duct interface (32) and a sand recovery chute (33); the dust removal cyclone separator (31) is installed on the back of the sand blasting chamber (1); one end of the top air duct interface (32) is connected to the top inlet of the dust removal cyclone separator (31), and the other end of the top air duct interface (32) is connected to the inside of the sand blasting chamber (1); one end of the sand recovery chute (33) is connected to the bottom outlet of the dust removal cyclone separator (31), and the other end of the sand recovery chute (33) is connected to the inside of the sand separator (5).

5. The upper pressure type double-station sandblasting device according to claim 1 is characterized in that: The spray gun device (4) further comprises a spray gun fixing rod (42), one end of which is detachably connected to the inside of the sandblasting chamber (1) via bolts, and the spray gun body (41) is detachably connected to the other end of the spray gun fixing rod (42) via bolts.

6. The upper pressure type double-station sandblasting device according to claim 3 is characterized in that: It also includes an upper pressing mechanism (6), which includes a support column (61), a cylinder fixing plate (62), a first cylinder (63) and a protective pressing plate (64); the cylinder fixing plate (62) is supported and fixed above the fixed bottom plate (222) by the support column (61); the first cylinder (63) is installed on the cylinder fixing plate (62), and the piston rod of the first cylinder (63) passes through the cylinder fixing plate (62) and extends to the bottom thereof; the protective pressing plate (64) is connected to the end of the piston rod of the first cylinder (63) via a connecting shaft.

7. The upper pressure type double-station sandblasting device according to claim 2 is characterized in that: It also comprises a pneumatic assembly (7), the pneumatic assembly (7) comprising a second cylinder (71), a guide rod (72) and a connecting frame (73); the second cylinder (71) is mounted on the upper front end of the sandblasting chamber (1), and the piston rod of the second cylinder (71) extends or contracts along the length direction of the sandblasting chamber (1); the guide rod (72) is arranged in parallel on the upper side of the piston rod of the second cylinder (71); the upper end of the connecting frame (73) is sleeved on the guide rod (72), the middle part of the connecting frame (73) is fixedly connected to the end of the piston rod of the second cylinder (71), and the other end of the connecting frame (73) is fixedly connected to the chamber door (13).

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