A nozzle adjustment mechanism for a sandblasting machine

Abstract

This utility model relates to the field of sandblasting machine technology, specifically to a nozzle adjustment mechanism for a sandblasting machine. It includes a fixed rod, with multiple mounting brackets fixedly connected to the upper surface of the fixed rod. A first adjusting block, rotatable forward and backward, is provided inside the mounting brackets. A first telescopic rod and a second telescopic rod, slidable forward and backward, are provided in front of the first adjusting block. An adjusting box is fixedly connected to the front end of the second telescopic rod. A sandblasting head is mounted on the left side of the adjusting box. An adjusting assembly is provided inside the adjusting box, including an adjusting worm gear, an adjusting worm, a positioning rod, a positioning cylinder, and an adjusting knob. The adjusting knob, positioning cylinder, positioning rod, adjusting worm, and adjusting worm gear work together to facilitate quick adjustment of the sandblasting head angle. During use, a support spring pushes the positioning cylinder upward, causing the upper surface of the adjusting knob to abut against the surface of the crossbar in the positioning bracket. The first and second magnetic blocks are magnetically attracted and fixed, improving the stability of the sandblasting head during use.

Description

Technical Field

[0001] This utility model relates to the field of sandblasting machine technology, and specifically to a nozzle adjustment mechanism for a sandblasting machine. Background Technology

[0002] A sandblasting machine uses compressed air to transport powdery particles (1-4mm in diameter) from one place to another in a pipeline. During the process of converting kinetic energy into potential energy, the high-speed moving sand particles scour the surface of the object, thereby improving the surface quality of the object.

[0003] In existing sandblasting machines, the nozzle position is mostly fixed with screws. During the nozzle adjustment process, the screws need to be removed, adjusted, and then tightened again. The adjustment process is cumbersome and inconvenient for adjusting the nozzle angle.

[0004] Therefore, it is necessary to invent a nozzle adjustment mechanism for a sandblasting machine to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a nozzle adjustment mechanism for a sandblasting machine, so as to solve the problem that the adjustment process is cumbersome and it is inconvenient to adjust the angle of the nozzle.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a nozzle adjustment mechanism for a sandblasting machine, comprising a fixed rod, with multiple sets of mounting brackets fixedly connected to the upper surface of the fixed rod, a first adjusting block that can rotate back and forth provided on the inner side of the mounting bracket, a first telescopic rod and a second telescopic rod that can slide back and forth provided on the front side of the first adjusting block, an adjusting box fixedly connected to the front end of the second telescopic rod, a sandblasting head installed on the left side of the adjusting box, and an adjusting assembly provided inside the adjusting box, the adjusting assembly including an adjusting worm gear, an adjusting worm, a positioning rod, a positioning cylinder and an adjusting knob.

[0007] By adopting the above technical solution, the first telescopic rod and the second telescopic rod cooperate to adjust the distance of the sandblasting head, the first adjusting block cooperates with the mounting bracket to adjust the vertical position of the sandblasting head, and the adjusting component is used to adjust the angle of the sandblasting head.

[0008] Optionally, the right end of the adjusting worm gear is rotatably connected to the right wall of the adjusting box, the left end of the adjusting worm gear passes through the left wall of the adjusting box and is fixedly connected to the sandblasting head, the lower end of the adjusting worm is rotatably connected to the lower wall of the adjusting box, and the adjusting worm and the adjusting worm gear are meshed together.

[0009] By adopting the above technical solution, the adjusting worm will drive the adjusting worm wheel to rotate during the rotation process, thereby adjusting the angle of the sandblasting head and improving the convenience of sandblasting head adjustment.

[0010] Optionally, the positioning rod is fixedly connected to the upper end of the adjusting worm gear, the positioning cylinder is sleeved on the surface of the positioning rod, the positioning cylinder is rotatably connected to the upper wall of the adjusting box, and the adjusting knob is fixedly connected to the upper end of the positioning cylinder.

[0011] By adopting the above technical solution, the positioning cylinder can slide up and down on the surface of the positioning rod. The adjustment knob is used to rotate the positioning cylinder. During the rotation of the positioning cylinder, the positioning rod is driven to rotate, and the positioning rod drives the adjustment worm gear to rotate.

[0012] Optionally, the lower end of the positioning rod is fixedly connected to an abutment plate, and a support spring is sleeved on the surface of the positioning rod. The upper and lower ends of the support spring abut against the lower end of the positioning cylinder and the abutment plate, respectively. The upper end of the adjustment knob is fixedly connected to a first magnetic block, and the upper end of the adjustment box is fixedly connected to a positioning frame. The lower surface of the crossbar in the positioning frame is fixedly connected to a second magnetic block.

[0013] By adopting the above technical solution, the support spring is used to push the positioning cylinder upward, so that the upper surface of the adjustment knob abuts against the surface of the crossbar in the positioning frame. At the same time, the first magnetic block and the second magnetic block are magnetically attracted and fixed, which improves the stability of the adjustment knob in the unused state, prevents the adjustment worm from rotating due to vibration, and thus improves the stability of the sandblasting head during use.

[0014] Optionally, the first telescopic rod is slidably connected to the upper end of the first adjusting block, a first locking screw is threadedly connected to the surface of the first adjusting block at the position on the side of the first telescopic rod, a second adjusting block is fixedly connected to the front end of the first telescopic rod, the second telescopic rod is slidably connected to the interior of the second adjusting block near the right side, and a second locking screw is threadedly connected to the right end of the second adjusting block.

[0015] By adopting the above technical solution, the first telescopic rod slides back and forth inside the first adjusting block, and the first locking screw is used to lock and fix the first telescopic rod. The second telescopic rod slides back and forth inside the second adjusting block, and the second locking screw is used to lock and fix the second telescopic rod.

[0016] Optionally, the mounting bracket includes a connecting plate, an adjusting groove, a clamping plate, a fixing plate, a bidirectional screw, a limiting block, and locking teeth. The connecting plate is fixedly connected to the surface of the fixing rod, and fixing plates are fixedly connected to both the left and right sides of the connecting plate. A bidirectional screw is rotatably connected between the two sets of fixing plates.

[0017] By adopting the above technical solution, the thread directions at both ends of the bidirectional screw are opposite, and the bidirectional screw rotates between the two sets of fixed plates.

[0018] Optionally, two sets of adjustment grooves are provided on the left and right sides of the upper surface of the connecting plate, and clamping plates are threaded to both ends of the bidirectional screw. The lower end of the clamping plate is slidably connected to the two sets of adjustment grooves on the same side, and a ring-shaped locking tooth is fixedly connected to the surface of the two sets of clamping plates that are close to each other.

[0019] By adopting the above technical solution, the bidirectional screw will drive the clamping plates on both sides to move synchronously in opposite directions during the rotation process.

[0020] Optionally, the left and right sides of the first adjusting block are provided with annular locking grooves, the axis of the first adjusting block is provided with a limiting groove, the middle of the bidirectional screw is fixedly connected to a limiting block, and the limiting block is rotatably connected to the limiting groove.

[0021] By adopting the above technical solution, the first adjusting block rotates around the limiting block, thereby adjusting the up and down position of the sandblasting head. At the same time, the locking teeth and locking groove cooperate to lock and fix the first adjusting block.

[0022] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0023] 1. This utility model utilizes an adjusting knob, a positioning cylinder, and a positioning rod to drive an adjusting worm gear to rotate. The adjusting worm gear then drives an adjusting worm wheel to rotate, facilitating quick adjustment of the sandblasting head angle and improving the ease and accuracy of adjustment. Simultaneously, in use, a support spring pushes the positioning cylinder upward, causing the upper surface of the adjusting knob to abut against the surface of the crossbar in the positioning frame. At the same time, the first and second magnetic blocks are magnetically attracted and fixed, preventing the adjusting worm gear from rotating due to vibration, thereby improving the stability of the sandblasting head during use.

[0024] 2. This utility model uses a first adjusting block to rotate around a limiting block, and uses a first telescopic rod and a second telescopic rod to adjust the up and down position of the sandblasting head. At the same time, the locking teeth and locking groove cooperate to lock and fix the first adjusting block, further improving the stability of the sandblasting head and the convenience of position adjustment during the sandblasting process. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the internal structure of the adjustment box of this utility model;

[0027] Figure 3 This is a schematic diagram of the adjusting worm gear structure of this utility model;

[0028] Figure 4 This is a schematic diagram of the mounting bracket structure of this utility model;

[0029] Figure 5 This is a schematic diagram of the first adjusting block structure of this utility model.

[0030] Explanation of reference numerals in the attached figures:

[0031] 1. Fixed rod; 2. Mounting bracket; 21. Connecting plate; 22. Adjusting groove; 23. Clamping plate; 24. Fixed plate; 25. Bidirectional screw; 26. Limiting block; 27. Locking tooth; 3. First adjusting block; 31. Locking groove; 32. Limiting groove; 33. First locking screw; 34. First telescopic rod; 35. Second adjusting block; 36. Second locking screw; 37. Second telescopic rod; 4. Adjusting box; 41. Adjusting worm gear; 42. Sandblasting head; 43. Adjusting worm; 44. Positioning rod; 45. Abutment plate; 46. Support spring; 47. Positioning cylinder; 48. Adjusting knob; 49. First magnetic block; 410. Positioning bracket; 411. Second magnetic block. Detailed Implementation

[0032] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0033] This utility model provides, for example Figures 1 to 5 The illustrated nozzle adjustment mechanism for a sandblasting machine includes a fixed rod 1. Multiple mounting brackets 2 are fixedly connected to the upper surface of the fixed rod 1. A first adjusting block 3, rotatable back and forth, is provided on the inner side of the mounting bracket 2. A first telescopic rod 34 and a second telescopic rod 37, slidable back and forth, are provided on the front side of the first adjusting block 3. The first telescopic rod 34 is slidably connected to the upper end of the first adjusting block 3. A first locking screw 33 is threadedly connected to the surface of the first adjusting block 3 at a position on the side of the first telescopic rod 34. A second adjusting block 35 is fixedly connected to the front end of the first telescopic rod 34. The second telescopic rod 37 is slidably connected to the interior of the second adjusting block 35 near the right side. A second locking screw 36 is threadedly connected to the right end of the second adjusting block 35. An adjusting box 4 is fixedly connected to the front end of the second telescopic rod 37. A sandblasting head 42 is installed on the left side of the adjusting box 4. An adjusting assembly is provided inside the adjusting box 4, including an adjusting worm gear 41, an adjusting worm 43, a positioning rod 44, a positioning cylinder 47, and an adjusting knob 48.

[0034] During use, the first adjusting block 3 rotates around the mounting frame 2, which in turn drives the first telescopic rod 34, the second telescopic rod 37, the adjusting box 4, and the sandblasting head 42 to rotate around the mounting frame 2, thereby adjusting the height of the sandblasting head 42. At the same time, the first telescopic rod 34 slides back and forth inside the first adjusting block 3, and the second telescopic rod 37 slides back and forth inside the second adjusting block 35, thereby adjusting the distance between the sandblasting head 42 and the base. At this time, the first locking screw 33 is rotated to lock and fix the first telescopic rod 34, and the second locking screw 36 is rotated to lock and fix the second telescopic rod 37, thereby locking and fixing the distance between the sandblasting head 42 and the base. Then, the angle of the sandblasting head 42 is adjusted by the adjusting assembly.

[0035] See Figure 2 and Figure 3 The right end of the adjusting worm gear 41 is rotatably connected to the right wall of the adjusting box 4, and the left end of the adjusting worm gear 41 passes through the left wall of the adjusting box 4 and is fixedly connected to the sandblasting head 42. The lower end of the adjusting worm 43 is rotatably connected to the lower wall of the adjusting box 4, and the adjusting worm 43 is meshed with the adjusting worm gear 41. The positioning rod 44 is fixedly connected to the upper end of the adjusting worm 43. The positioning cylinder 47 is sleeved on the surface of the positioning rod 44 and is rotatably connected to the upper wall of the adjusting box 4. The adjusting knob 48 is fixedly connected to the upper end of the positioning cylinder 47. The lower end of the positioning rod 44 is fixedly connected to the abutment plate 45. The surface of the positioning rod 44 is sleeved with a support spring 46. The upper and lower ends of the support spring 46 abut against the lower end of the positioning cylinder 47 and the abutment plate 45, respectively. The upper end of the adjusting knob 48 is fixedly connected to the first magnetic block 49. The upper end of the adjusting box 4 is fixedly connected to the positioning frame 410. The lower surface of the crossbar in the positioning frame 410 is fixedly connected to the second magnetic block 411.

[0036] Specifically, during the adjustment of the angle of the sandblasting head 42, the adjustment knob 48 is first pressed down to separate the first magnetic block 49 from the second magnetic block 411. At this time, the positioning cylinder 47 slides down on the surface of the positioning rod 44 and presses the support spring 46. Then, the adjustment knob 48 is rotated, and the adjustment knob 48 drives the positioning rod 44 to rotate through the positioning cylinder 47. The positioning rod 44 drives the adjusting worm gear 43 to rotate, and the adjusting worm gear 43 and the adjusting worm wheel 41 work together to drive the sandblasting head 42 to rotate, thus improving the convenience of adjusting the angle of the sandblasting head 42.

[0037] At the same time, when the adjustment is reached at the specified angle, the adjustment knob 48 is released directly. With the pressure from the top gone, the support spring 46 will push the positioning cylinder 47 upward, which in turn will push the adjustment knob 48 upward, so that the upper end of the adjustment knob 48 is pressed tightly against the upper end of the positioning frame 410. At the same time, the first magnetic block 49 and the second magnetic block 411 will be magnetically attracted and fixed, thereby locking and fixing the adjustment knob 48 to prevent the adjustment knob 48 from rotating during the sandblasting process.

[0038] See Figure 1 , Figure 4 and Figure 5 The mounting bracket 2 includes a connecting plate 21, an adjusting groove 22, a clamping plate 23, a fixing plate 24, a bidirectional screw 25, a limiting block 26, and locking teeth 27. The connecting plate 21 is fixedly connected to the surface of the fixing rod 1. Fixing plates 24 are fixedly connected to both sides of the connecting plate 21. A bidirectional screw 25 is rotatably connected between the two sets of fixing plates 24. Two sets of adjusting grooves 22 are opened on both sides of the upper surface of the connecting plate 21. The clamping plates 23 are threaded to both ends of the bidirectional screw 25. The lower end of the clamping plate 23 is slidably connected to the two sets of adjusting grooves 22 on the same side. A ring-shaped locking teeth 27 are fixedly connected to the surface of the two sets of clamping plates 23 that are close to each other. A ring-shaped locking groove 31 is opened on both sides of the first adjusting block 3. A limiting groove 32 is opened at the axis of the first adjusting block 3. A limiting block 26 is fixedly connected to the middle of the bidirectional screw 25. The limiting block 26 is rotatably connected to the limiting groove 32.

[0039] In addition, during the height adjustment of the sandblasting head 42, first rotate the bidirectional screw 25 clockwise. The bidirectional screw 25 will slide the two sets of clamping plates 23 apart, causing the locking teeth 27 to disengage from the inside of the locking groove 31. At this time, rotating the first adjusting block 3 can adjust the up and down position of the sandblasting head 42. After adjusting to the specified height, rotate the bidirectional screw 25 counterclockwise to push the clamping plates 23 on both sides inward at the same time, clamping and fixing the two sides of the first adjusting block 3. At the same time, the locking teeth 27 will re-engage into the inside of the locking groove 31, improving the stability of the first adjusting block 3 during the sandblasting process and preventing the first adjusting block 3 from rotating due to vibration, thereby improving the stability of the sandblasting head 42 during use.

[0040] The working principle of this utility model is as follows: The adjusting knob 48, positioning cylinder 47, and positioning rod 44 work together to drive the adjusting worm gear 43 to rotate. The adjusting worm gear 43 and adjusting worm wheel 41 work together to quickly adjust the angle of the sandblasting head 42, improving the convenience and accuracy of adjustment. At the same time, in use, the support spring 46 pushes the positioning cylinder 47 upward, so that the upper surface of the adjusting knob 48 abuts against the surface of the crossbar in the positioning frame 410. At the same time, the first magnetic block 49 and the second magnetic block 411 are magnetically attracted and fixed, preventing the adjusting worm gear 43 from rotating due to vibration, thereby improving the stability of the sandblasting head 42 during use. In addition, the locking tooth 27 and the locking groove 31 work together to lock and fix the first adjusting block 3, further improving the stability of the sandblasting head 42 during sandblasting and the convenience of position adjustment.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A nozzle adjustment mechanism for a sandblasting machine, comprising a fixing rod (1), characterized in that: The upper surface of the fixed rod (1) is fixedly connected to multiple sets of mounting brackets (2). The inner side of the mounting bracket (2) is provided with a first adjusting block (3) that can rotate back and forth. The front side of the first adjusting block (3) is provided with a first telescopic rod (34) and a second telescopic rod (37) that can slide back and forth. The front end of the second telescopic rod (37) is fixedly connected to an adjusting box (4). A sandblasting head (42) is installed on the left side of the adjusting box (4). An adjusting assembly is provided inside the adjusting box (4). The adjusting assembly includes an adjusting worm gear (41), an adjusting worm (43), a positioning rod (44), a positioning cylinder (47), and an adjusting knob (48).

2. The nozzle adjustment mechanism for a sandblasting machine according to claim 1, characterized in that: The right end of the adjusting worm gear (41) is rotatably connected to the right wall of the adjusting box (4), the left end of the adjusting worm gear (41) passes through the left wall of the adjusting box (4) and is fixedly connected to the sandblasting head (42), the lower end of the adjusting worm (43) is rotatably connected to the lower wall of the adjusting box (4), and the adjusting worm (43) is meshed with the adjusting worm gear (41).

3. The nozzle adjustment mechanism for a sandblasting machine according to claim 2, characterized in that: The positioning rod (44) is fixedly connected to the upper end of the adjusting worm (43), the positioning cylinder (47) is sleeved on the surface of the positioning rod (44), the positioning cylinder (47) is rotatably connected to the upper wall of the adjusting box (4), and the adjusting knob (48) is fixedly connected to the upper end of the positioning cylinder (47).

4. The nozzle adjustment mechanism for a sandblasting machine according to claim 3, characterized in that: The lower end of the positioning rod (44) is fixedly connected to an abutment plate (45), and a support spring (46) is sleeved on the surface of the positioning rod (44). The upper and lower ends of the support spring (46) abut against the lower end of the positioning cylinder (47) and the abutment plate (45) respectively. The upper end of the adjustment knob (48) is fixedly connected to a first magnetic block (49), and the upper end of the adjustment box (4) is fixedly connected to a positioning frame (410). The lower surface of the crossbar in the positioning frame (410) is fixedly connected to a second magnetic block (411).

5. The nozzle adjustment mechanism for a sandblasting machine according to claim 1, characterized in that: The first telescopic rod (34) is slidably connected to the upper end of the first adjusting block (3). The first adjusting block (3) is threaded with a first locking screw (33) at the position on the side of the first telescopic rod (34). The front end of the first telescopic rod (34) is fixedly connected to a second adjusting block (35). The second telescopic rod (37) is slidably connected to the inside of the second adjusting block (35) near the right side. The right end of the second adjusting block (35) is threaded with a second locking screw (36).

6. The nozzle adjustment mechanism for a sandblasting machine according to claim 1, characterized in that: The mounting bracket (2) includes a connecting plate (21), an adjusting groove (22), a clamping plate (23), a fixing plate (24), a bidirectional screw (25), a limiting block (26), and a locking tooth (27). The connecting plate (21) is fixedly connected to the surface of the fixing rod (1). Fixing plates (24) are fixedly connected to both the left and right sides of the connecting plate (21). The two sets of fixing plates (24) are rotatably connected to each other by a bidirectional screw (25).

7. The nozzle adjustment mechanism for a sandblasting machine according to claim 6, characterized in that: Two sets of adjustment grooves (22) are provided on the left and right sides of the upper surface of the connecting plate (21). The two ends of the bidirectional screw (25) are threaded with clamping plates (23). The lower end of the clamping plate (23) is slidably connected to the two sets of adjustment grooves (22) on the same side. The two sets of clamping plates (23) are fixedly connected with annular locking teeth (27) on the side surface that is close to each other.

8. The nozzle adjustment mechanism for a sandblasting machine according to claim 7, characterized in that: The first adjusting block (3) has annular locking grooves (31) on both sides of its left and right surfaces. A limiting groove (32) is provided at the center of the first adjusting block (3). A limiting block (26) is fixedly connected to the middle of the bidirectional screw (25). The limiting block (26) is rotatably connected to the limiting groove (32).

Images