A frame sandblasting process

Abstract

This application relates to the field of sandblasting technology, and in particular to a frame-type sandblasting process, including steps such as loading, processing, rotation and switching, and unloading. The frame-type sandblasting process provided in this application enables the workpiece to be flipped during the sandblasting process, facilitating uniform sandblasting of all surfaces of the workpiece. Furthermore, the clamping states of the two sets of clamping components are switchable, ensuring that the areas of the workpiece covered by the clamping components are also sandblasted effectively.

Description

Technical Field

[0001] This application relates to the field of sandblasting technology, and in particular to a frame sandblasting process. Background Technology

[0002] Sandblasting is an industrial process for surface treatment of workpieces. Its working principle is to use compressed air as power to form a high-speed jet that propels abrasive materials (copper ore sand, quartz sand, corundum, iron sand, sea sand) at high speed onto the surface of the workpiece to be treated, thereby changing the appearance or shape of the workpiece surface.

[0003] Sandblasting machines and sandblasting guns are commonly used sandblasting tools. Sandblasting machines are typically used when processing multiple small workpieces. The workpieces are clamped using a clamping mechanism and fed into the sandblasting machine's inlet. The conveyor system on the machine carries the workpieces into the processing chamber. Inside the chamber, the sandblasting gun moves along a pre-set path to sandblast different areas of the workpiece surface. The processed workpieces are then conveyed to the outlet, completing the sandblasting process.

[0004] However, during the sandblasting process, the bottom of the workpiece is difficult to be fully sandblasted due to space limitations, resulting in uneven sandblasting between the upper and lower parts of the workpiece and affecting the sandblasting effect. Furthermore, the area where the workpiece is clamped by the clamping mechanism is also difficult to process because it cannot be exposed. Summary of the Invention

[0005] To address the aforementioned technical issues, this application provides a frame sandblasting process.

[0006] The sandblasting process for frame return provided in this application adopts the following technical solution:

[0007] A frame sandblasting process includes the following steps:

[0008] S1, Loading: Fix the workpiece to be processed using one set of clamping components, and open the other set of clamping components to place it on the sandblasting machine;

[0009] S2, processing, the conveying device of the sandblasting machine transfers the workpiece into the processing chamber for sandblasting;

[0010] S3, Rotation and Switching: After sandblasting for a period of time, the clamping components are driven to rotate, causing the workpiece to flip up and down, so that the surface of the workpiece that was originally at the bottom faces upward; the set of clamping components that was originally open is clamped, and then the set of clamping components that was originally clamped is opened, and the sandblasting process continues.

[0011] S4, unloading: The conveying device transfers the workpiece to the discharge port and removes the workpiece from the clamping assembly.

[0012] By adopting the above technical solution, the workpiece is clamped and fed into the processing chamber. After the workpiece has been sandblasted for a period of time, the clamping assembly is driven to rotate, causing the workpiece to flip over so that the surface of the workpiece that was originally at the bottom faces upwards. This improves the uniformity of sandblasting and makes the sandblasting effect better. By switching the clamping states of the two sets of clamping assemblies to fully expose the outer surface of the workpiece, the entire surface of the workpiece can be sandblasted.

[0013] Optionally, in step S1, the clamping assembly is installed on the material frame and is provided in two sets. A switching component for changing the state of the clamping assembly is provided between the two sets of clamping assemblies. Each clamping assembly includes a fixed seat, a spring, a roller, a traction rope, and two clamping rods. The clamping rods are S-shaped clamping rods, and the middle parts of the two clamping rods are hinged to each other. The fixed seat is fixed on the turntable, and the hinge shaft of the clamping rod is installed on the fixed seat. The roller is rotatably connected to the turntable. One end of the traction rope is connected to the clamping rod, and the other end passes around the roller and is connected to the switching component. The traction rope moves to drive the clamping rod to rotate.

[0014] Place the workpiece between the two clamping bars of one of the clamping components, then switch the component to pull the traction rope, causing the clamping ends of the two clamping bars to come together to clamp the workpiece.

[0015] After sandblasting for a period of time, the switching component pulls the traction rope of another set of clamping components in the opposite direction, causing the two clamping rods of the other set of clamping components to clamp. At this time, the spring of the first set of clamping components drives the two clamping rods to open, so that the workpiece is only clamped by the second set of clamping components.

[0016] By adopting the above technical solution, the traction rope pulls one end of the clamping rod inward. Since the clamping rod is S-shaped, the other end also moves inward, thus stabilizing the workpiece between the two clamping rods. The rollers provide a fulcrum for the traction rope. Furthermore, because the rollers can rotate relative to the turntable, they rotate under friction during the movement of the traction rope, avoiding relative friction with the traction rope. This reduces wear on the traction rope, extending its service life, and also improves the smoothness of the traction rope's movement, reducing the likelihood of jamming.

[0017] Furthermore, as the clamps close during the traction rope process, the movement of the clamps compresses the springs. When the clamps need to open, the traction rope moves towards the clamps, the springs return to their original state, and under the action of elasticity, the clamps are driven away from each other, thus automatically opening the clamps and improving installation efficiency.

[0018] Optionally, each clamping assembly has two sets of traction ropes and rollers. The two rollers are coaxially arranged between the two clamping rods, and the two traction ropes are respectively connected to the two clamping rods on the same side. The two traction ropes pass around the two rollers respectively, and two springs are also provided accordingly.

[0019] By adopting the above technical solution, the closing and opening of the clamping rods are both carried out by the two clamping rods together, which can reduce the moving distance of a single clamping rod, reduce the length required for the traction rope, and thus reduce the space occupied by the clamping mechanism.

[0020] Optionally, the switching component includes a moving block and a moving drive. The turntable has a sliding groove between two sets of clamping components. The moving block is slidably connected in the sliding groove. The end of the traction rope away from the clamping rod is connected to the moving block, and the traction rope is elastic. The moving drive is used to drive the moving block to move in the sliding groove.

[0021] The moving block moves to one side of the chute, causing the traction rope to pull a set of clamping rods moving in the opposite direction to the moving block until the other set of clamping rods releases the workpiece.

[0022] By adopting the above technical solution, when the moving block is at one end of the chute, the first set of clamping components (the one furthest from the moving block) clamps the workpiece under the tension of the traction rope, while the traction rope of the second set of clamping components is completely relaxed, and the clamping rods are moved away from the workpiece under the action of the spring. When the moving block moves to the other end of the chute, the elasticity on the traction rope of the first set of clamping components gradually decreases, but still exerts a pulling effect on the clamping rods, maintaining the clamping effect of the first set of clamping components on the workpiece. At the same time, the elasticity of the traction rope of the second set of clamping components gradually increases, pulling the clamping rods closer together. When the moving block moves to the middle of the chute, the traction ropes of both sets of clamping components remain taut and can both drive the clamping rods to clamp the workpiece. As the moving block continues to move, the tension on the traction rope of the first set of clamping components gradually decreases, the springs return to their original state, and the clamping rods gradually release the workpiece. At the same time, the elasticity on the traction rope of the second set of clamping components continues to increase, continuously driving the clamping rod to clamp the workpiece, thus completing the switching of the workpiece clamping state between the two sets of clamping components, and the operation is convenient.

[0023] Optionally, in step S3, a rotary drive is provided to drive the workpiece to rotate. The rotary drive is set on the material frame and includes a turntable and a first motor. The turntable is rotatably connected inside the material frame, and the first motor is set on the material frame to drive the turntable to rotate. The clamping assembly and the switching assembly are both mounted on the turntable.

[0024] By adopting the above technical solution, the first motor starts and drives the turntable to rotate, which can easily drive the clamping component and the switching component to rotate, thereby realizing the flipping of the workpiece.

[0025] Optionally, the moving drive includes a lead screw, a first bevel gear, a second bevel gear, and a second motor. The lead screw, the first bevel gear, and the second bevel gear are all rotatably connected inside the turntable. The lead screw and the slide groove are opened in the same direction, and the lead screw is threadedly connected to the moving block. The second bevel gear is coaxially fixedly connected to the lead screw. The first bevel gear and the second bevel gear mesh. The second motor is used to drive the first bevel gear to rotate.

[0026] By adopting the above technical solution, the second motor drives the first bevel gear to rotate, and under the action of gear meshing, the second bevel gear rotates, which in turn drives the lead screw to rotate. Since the moving block is inserted into the slide groove, the moving block cannot rotate with the lead screw, but can only move along the slide groove under the action of threaded engagement, thereby realizing the switching of the states of the two sets of clamping components.

[0027] Optionally, the inner side of each clamping rod is provided with an anti-slip pad.

[0028] By adopting the above technical solution, the anti-slip pad can increase the friction between the clamping rod and the workpiece, thereby improving the stability of the workpiece. In addition, because the anti-slip pad has a certain degree of elasticity, it can prevent the clamping rod from clamping too tightly and causing damage to the workpiece.

[0029] Optionally, the first motor is provided with a protective casing.

[0030] By adopting the above technical solution, the protective shell can protect the first motor, thereby preventing damage to the first motor during the sandblasting process.

[0031] In summary, this application includes at least one of the following beneficial technical effects:

[0032] 1. By driving the workpiece to rotate, the workpiece can be rotated during the sandblasting process, so that all surfaces of the workpiece can be treated evenly.

[0033] 2. By setting a switching component, it is easy to switch the clamping state of the two sets of clamping components, which also makes it easy to sandblast the position where the workpiece contacts the clamping components. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0035] Figure 2 yes Figure 1 The partial structural diagram is intended to illustrate the structural features of the rotary drive and clamping mechanism;

[0036] Figure 3 yes Figure 2 The cross-sectional view of the central turntable is intended to illustrate the structural features of the mobile drive.

[0037] Explanation of reference numerals in the attached drawings: 1. Material frame; 2. Sandblasting machine; 3. Rotary drive; 4. Clamping assembly; 5. Switching assembly; 6. Turntable; 7. First motor; 8. Fixed base; 9. Spring; 10. Roller; 11. Traction rope; 12. Clamping rod; 13. Moving block; 14. Slide groove; 15. Lead screw; 16. Bevel gear one; 17. Bevel gear two; 18. Second motor; 19. Anti-slip pad; 20. Protective shell. Detailed Implementation

[0038] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0039] This application discloses a frame sandblasting process, referring to... Figure 1 and Figure 2 A sandblasting device is employed. The sandblasting device includes a material frame 1, which is mounted on the conveying device of the sandblasting machine 2. The material frame 1 is equipped with a clamping mechanism for holding workpieces and a rotary drive 3 for rotating the clamping mechanism. The clamping mechanism includes clamping components 4 and a switching component 5. Two sets of clamping components 4 are provided, both used for clamping workpieces. The switching component 5 drives at least one set of clamping components 4 to clamp a workpiece. The rotary drive 3 includes a vertically arranged turntable 6 and a first motor 7. The turntable 6 is rotatably connected inside the material frame 1, and the rotation axis of the turntable 6 is horizontally positioned. The first motor 7 is located outside the material frame 1 to drive the turntable 6 to rotate. The clamping mechanism is mounted on the turntable 6.

[0040] The workpiece is fixed using a set of clamping components 4. During sandblasting, the first motor 7 drives the turntable 6 to rotate, causing the workpiece to flip and allowing all surfaces of the workpiece to be treated. The switching component 5 switches the clamping states of the two sets of clamping components 4 so that the workpiece surface initially in contact with the clamping components 4 is exposed.

[0041] Each clamping assembly 4 includes a fixed base 8, a spring 9, rollers 10, traction ropes 11, and clamping rods 12. Two sets of each component are provided, each corresponding to the other. The clamping rods 12 are S-shaped, and the two clamping rods 12 are hinged together at their midpoints. The fixed base 8 is fixed to the turntable 6, and the hinge axis of the clamping rods 12 is vertically mounted on the fixed base 8. Two rollers 10 are coaxially arranged between the two clamping rods 12, rotatably connected to the turntable 6, and each roller 10 can rotate independently. One end of each traction rope 11 is connected to the same end of the clamping rod 12, and the other end passes over the two rollers 10 and is connected to the switching assembly 5. The movement of the traction rope 11 drives the clamping rod 12 to rotate.

[0042] Two springs 9 are respectively located on both sides of the roller 10. One end of the spring 9 is connected to the clamping rod 12, and the other end is connected to the fixed seat 8. The spring 9 is used to drive the clamping rod 12 to open.

[0043] The switching component 5 includes a movable block 13 and a movement drive. A slide groove 14 is provided on the turntable 6, located between the two sets of clamping components 4. The movable block 13 is slidably connected within the slide groove 14. The end of the traction rope 11 furthest from the clamping rod 12 is connected to the movable block 13, and the traction rope 11 is elastic. The movement drive is used to drive the movable block 13 to move within the slide groove 14.

[0044] When the moving block 13 is at one end of the slide 14, the first set of clamping components 4, away from the moving block 13, clamps the workpiece under the tension of the traction rope 11, while the traction rope 11 of the other set of clamping components 4 (the second set) is completely relaxed, and the clamping rod 12 is away from the workpiece under the action of the spring 9. When the moving block 13 moves to the other end of the slide 14, the elasticity on the traction rope 11 of the first set of clamping components 4 gradually decreases, but still has a pulling effect on the clamping rod 12, maintaining the clamping effect of the first set of clamping components 4 on the workpiece. At the same time, the elasticity of the traction rope 11 of the second set of clamping components 4 gradually increases, pulling the clamping rod 12 closer together. When the moving block 13 moves to the middle of the slide 14, the traction ropes 11 of both sets of clamping components 4 are still taut, and both can drive the clamping rod 12 to clamp the workpiece. As the moving block 13 continues to move, the tension on the traction rope 11 of the first clamping assembly 4 gradually decreases, causing the spring 9 to return to its original state and driving the clamping rod 12 to gradually release the workpiece. At the same time, the elasticity on the traction rope 11 of the second clamping assembly 4 continues to increase, continuously driving the clamping rod 12 to clamp the workpiece, thus completing the switching of the workpiece clamping state between the two sets of clamping assemblies 4.

[0045] Reference Figure 2 and Figure 3 The moving drive includes a lead screw 15, a first bevel gear 16, a second bevel gear 17, and a second motor 18. The lead screw 15, first bevel gear 16, and second bevel gear 17 are all rotatably connected within the turntable 6. The lead screw 15 is oriented in the same direction as the slide groove 14, and is threadedly connected to the moving block 13. The second bevel gear 17 is coaxially fixedly connected to the lead screw 15, and the first bevel gear 16 meshes with the second bevel gear 17. The second motor 18 drives the first bevel gear 16 to rotate.

[0046] To improve the stability of the workpiece, anti-slip pads 19 are provided on the inner side of the clamping rod 12.

[0047] To prevent damage to the first motor 7 and the second motor 18, a protective shell 20 is provided on both the first motor 7 and the second motor 18.

[0048] The sandblasting process includes the following steps:

[0049] S1, feeding, the second motor 18 starts, driving the moving block 13 to move to one end of the slide 14, so that one set of clamping components 4 opens and the other set of clamping components 4 closes, placing the workpiece on the open clamping components 4, and then driving the moving block 13 to move to the other end of the slide 14, thereby fixing the workpiece on one set of clamping components 4, and then placing the material frame 1 at the feed port of the sandblasting machine 2.

[0050] S2, processing, the conveying device of the sandblasting machine 2 transfers the material frame 1 into the processing chamber for sandblasting;

[0051] S3, Rotation and Switching: Start the first motor 7 to drive the turntable 6 to rotate, so that the surface of the workpiece that was originally below faces upward; the second motor 18 drives the moving block 13 to move, so that both sets of clamping rods 12 clamp the workpiece. The moving block 13 continues to move, so that the clamping rods 12 that fixed the workpiece in the initial position open, and only the other set of clamping rods 12 fixes the workpiece, so that the position of the workpiece that was originally covered by the clamping rods 12 is exposed, and then sandblasting is performed.

[0052] S4, unloading: the conveying device transfers the material frame 1 to the discharge port, and the clamping rod 12 is manually opened to remove the workpiece from the clamping assembly 4.

[0053] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A frame sandblasting process, characterized in that: Includes the following steps: S1, Loading: Fix the workpiece to be processed using a set of clamping components (4), and open another set of clamping components (4) and place it on the sandblasting machine (2); S2, processing, the conveying device of the sandblasting machine (2) transfers the workpiece into the processing chamber for sandblasting; S3, Rotation and Switching: After sandblasting for a period of time, drive the clamping assembly (4) to rotate and rotate the workpiece up and down, so that the surface of the workpiece that was originally at the bottom faces up; clamp the set of clamping assemblies (4) that was originally open, and then open the set of clamping assemblies (4) that was originally clamped, and continue the sandblasting process. S4, unloading, the conveying device transfers the workpiece to the discharge port and removes the workpiece from the clamping assembly (4); In step S1, the clamping assembly (4) is installed on the material frame (1) and there are two sets. A switching assembly (5) for changing the state of the clamping assembly (4) is provided between the two sets of clamping assemblies (4). Each clamping assembly (4) includes a fixed base (8), a spring (9), a roller (10), a traction rope (11), and two clamping rods (12). The clamping rods (12) are S-shaped clamping rods (12), and the middle parts of the two clamping rods (12) are hinged to each other. The fixed base (8) is fixed on the turntable (6), and the clamping rods (12) are... The hinge shaft is mounted on the fixed seat (8), the roller (10) is rotatably connected to the turntable (6), one end of the traction rope (11) is connected to the clamp rod (12), and the other end passes around the roller (10) and is connected to the switching assembly (5). The traction rope (11) moves to drive the clamp rod (12) to rotate. Two springs (9) are provided, and the two springs (9) are respectively located on both sides of the roller (10). One end of the spring (9) is connected to the clamp rod (12), and the other end is connected to the fixed seat (8). The spring (9) is used to drive the clamp rod (12) to open. The workpiece is placed between the two clamping rods (12) of one of the clamping components (4), and then the switching component (5) pulls the traction rope (11) to drive the clamping ends of the two clamping rods (12) to come together to clamp the workpiece. After sandblasting for a period of time, the switching component (5) pulls the traction rope (11) of another set of clamping components (4) in the opposite direction, causing the two clamping rods (12) of the other set of clamping components (4) to clamp. At this time, the spring (9) of the first set of clamping components (4) drives the two clamping rods (12) to open, so that the workpiece is only clamped by the second set of clamping components (4).

2. The frame sandblasting process according to claim 1, characterized in that: Each clamping assembly (4) has two sets of traction ropes (11) and rollers (10). The two rollers (10) are coaxially arranged between the two clamping rods (12). The two traction ropes (11) are respectively connected to the two clamping rods (12) on the same side, and the two traction ropes (11) pass around the two rollers (10) respectively. The springs (9) are also provided in two corresponding ways.

3. The frame sandblasting process according to claim 2, characterized in that: The switching component (5) includes a moving block (13) and a moving drive. The turntable (6) has a groove (14) between the two clamping components (4). The moving block (13) is slidably connected in the groove (14). The end of the traction rope (11) away from the clamping rod (12) is connected to the moving block (13). The traction rope (11) is elastic. The moving drive is used to drive the moving block (13) to move in the groove (14). The moving block (13) moves to one side of the slide (14), causing the traction rope (11) to pull a set of clamping rods (12) moving in the opposite direction to the moving block (13) until the other set of clamping rods (12) releases the workpiece.

4. The frame sandblasting process according to claim 3, characterized in that: In step S3, a rotary drive (3) is provided to drive the workpiece to rotate. The rotary drive (3) is set on the material frame (1). The rotary drive (3) includes a turntable (6) and a first motor (7). The turntable (6) is rotatably connected inside the material frame (1). The first motor (7) is set on the material frame (1) to drive the turntable (6) to rotate. The clamping assembly (4) and the switching assembly (5) are both installed on the turntable (6).

5. The frame sandblasting process according to claim 4, characterized in that: The moving drive includes a lead screw (15), a first bevel gear (16), a second bevel gear (17), and a second motor (18). The lead screw (15), the first bevel gear (16), and the second bevel gear (17) are all rotatably connected in the turntable (6). The lead screw (15) and the slide groove (14) are opened in the same direction. The lead screw (15) is threadedly connected to the moving block (13). The second bevel gear (17) is coaxially fixedly connected to the lead screw (15). The first bevel gear (16) meshes with the second bevel gear (17). The second motor (18) is used to drive the first bevel gear (16) to rotate.

6. The frame sandblasting process according to claim 1, characterized in that: The inner side of each clamp (12) is provided with an anti-slip pad (19).

7. The frame sandblasting process according to claim 4, characterized in that: The first motor (7) is provided with a protective shell (20).

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