Directional high and low speed operation mechanism for controlling shot blasting part

Abstract

The utility model relates to the technical field of shot blasting machines, in particular to a directional high-low speed operation mechanism for controlling shot blasting parts, which comprises a mounting base and a mounting turntable, a positioning sleeve is fixedly mounted at the top of the mounting base, and a mounting bearing matched with the positioning sleeve is fixedly mounted at the bottom of the mounting turntable. A driving assembly is fixedly mounted at the bottom of the mounting base, and an output shaft of the driving assembly is fixedly sleeved with a driving gear. According to the directional high-low-speed operation mechanism for controlling the shot blasting part, the driving assembly drives the driving gear and the transmission gear ring to rotate, the mounting rotary table and a workpiece can be driven to rotate, the relative position of the workpiece and the shot blasting device is adjusted, comprehensive treatment on the workpiece is achieved, meanwhile, the face, needing emphasized treatment, of the workpiece is positioned through the positioning long teeth, and the workpiece can be conveniently and rapidly operated. And when the photoelectric switch detects the positioning long teeth, the speed of the driving assembly driving the mounting turntable to rotate is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of shot blasting machines, in particular to a directional high- and low-speed operation mechanism for controlling shot blasting parts. Background Art

[0002] Shot blasting machine, also known as sandblasting machine, is a casting equipment that uses high-speed projectiles thrown by the shot blaster to clean or strengthen the surface of castings. Shot blasting machines are divided into drum type, chain plate type, hanging type, turntable type shot blasting machine, etc. according to the structure of the casting carrier. Its grinding methods include centrifugal grinding method, water vortex grinding method, rotary grinding method, etc., which are first used in the foundry industry to remove sand and oxide scale on the surface of cast steel and cast iron parts.

[0003] The turntable shot blasting machine is mainly composed of a chamber body, a turntable, a transmission system, a separator, an elevator, a shot conveying device, a shot blaster and other parts. Several shot blasters are set on the top or side of the chamber, and the workpiece is installed on the turntable. The turntable and the workpiece are driven by the drive component to rotate, and the relative position of the workpiece and the shot blaster is adjusted to achieve comprehensive processing of the workpiece. However, the turntable is generally driven by the drive component to rotate at a constant speed, and some surfaces of the workpiece need to be processed intensively. The turntable drives the workpiece to rotate at a constant speed, which easily leads to inadequate processing of the surfaces that need to be processed intensively. In order to ensure the processing quality of the key surfaces and increase the processing time, it is easy to cause excessive processing of other surfaces. For this reason, we propose a directional high and low speed operation mechanism for controlling shot blasting parts to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a directional high and low speed operation mechanism for controlling shot blasting parts, which solves the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a directional high and low speed operation mechanism for controlling shot blasting parts, including a mounting base and a mounting turntable, a positioning sleeve is fixedly installed on the top of the mounting base, a mounting bearing matched with the positioning sleeve is fixedly installed on the bottom of the mounting turntable, a driving assembly is fixedly installed on the bottom of the mounting base, and a driving gear is fixedly sleeved on the output shaft of the driving assembly, the inner ring of the mounting bearing is provided with a transmission gear ring matched with the driving gear, a position detection toothed disc is fixedly installed on the bottom of the mounting turntable, and a plurality of positioning short teeth are provided on the circumference of the position detection toothed disc, and a positioning long tooth is provided on the end of the positioning short tooth, a photoelectric switch matched with the positioning short tooth and the positioning long tooth is fixedly installed on the top of the mounting base, a protective cover is fixedly installed on the circumference of the mounting turntable by bolts, a limiting ring is provided on the top of the mounting base, and a rubber sealing ring matched with the protective cover is glued to the inside of the limiting ring.

[0006] Preferably, the positioning sleeve is located on the central axis of the mounting base, the positioning sleeve is fixedly mounted on the mounting base by bolts, and a mounting bearing is nested inside the positioning sleeve.

[0007] Preferably, the connecting sleeve is located on the central axis of the mounting turntable, the connecting sleeve is fixedly mounted on the mounting turntable by bolts, and the connecting sleeve is movably mounted on the positioning sleeve by mounting a bearing.

[0008] Preferably, the position detection gear disc is fixedly mounted on the bottom of the mounting turntable by bolts, and the position detection gear disc is located on the central axis of the mounting turntable.

[0009] Preferably, the positioning short teeth are evenly distributed on the circumference of the position detection gear disc, and the angle between adjacent positioning short teeth is 4-10°.

[0010] Preferably, a locking bolt is clamped inside the long positioning tooth, and the locking bolt can be threadedly connected to the short positioning tooth. A positioning rod is provided on the locking bolt, and the positioning rod can be clamped on the short positioning tooth.

[0011] Preferably, the photoelectric switch is located below the short positioning teeth and the long positioning teeth, and the photoelectric switch can detect the positions of the short positioning teeth and the long positioning teeth.

[0012] The utility model provides a directional high and low speed operation mechanism for controlling shot blasting parts, which has the following features:

[0013] Beneficial effects:

[0014] 1. The directional high and low speed operation mechanism of the shot blasting parts is driven by the driving component to drive the driving gear and the transmission gear ring to rotate, which can drive the installation turntable and the workpiece to rotate, adjust the relative position of the workpiece and the shot blasting machine, and realize the comprehensive processing of the workpiece. At the same time, the surface of the workpiece that needs to be processed is positioned by positioning the long teeth. When the photoelectric switch detects the long positioning teeth, the speed of the installation turntable driven by the driving component is reduced, and the positioning short teeth are continuously detected by the photoelectric switch. The key processing surface of the workpiece can be calibrated by detecting the number of positioning short teeth, and the workpiece rotation speed is reduced to extend the processing time of the specific surface of the workpiece, thereby improving the processing quality.

[0015] 2. The directional high and low speed operation mechanism of the shot blasting parts is controlled. The long positioning teeth are locked on the short positioning teeth by locking bolts, which is convenient for disassembly and assembly of the long positioning teeth. At the same time, the number of long positioning teeth can be adaptively adjusted according to the surface of the workpiece that needs to be processed, thereby achieving efficient and high-quality processing of each surface of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model after overall assembly;

[0017] Figure 2 It is a structural schematic diagram of the overall cross section of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the photoelectric switch and the position detection gear disc of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the top of the installation base of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the bottom of the turntable installed in the utility model;

[0021] Figure 6 This is a structural schematic diagram of the utility model for locating the installation position of the long teeth.

[0022] In the figure: 1. Install the base; 2. Install the turntable; 3. Position the sleeve; 4. Connect the sleeve; 5. Install the bearing; 6. Drive assembly; 7. Active gear; 8. Transmission gear ring; 9. Position detection gear disc; 10. Positioning short teeth; 11. Positioning long teeth; 12. Locking bolt; 13. Positioning rod; 14. Photoelectric switch; 15. Protective cover; 16. Limiting ring; 17. Rubber sealing ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1 , 23. The utility model provides a technical solution: a directional high-speed and low-speed operation mechanism for controlling shot blasting parts, including a mounting base 1 and a mounting turntable 2. A positioning sleeve 3 is fixedly installed on the top of the mounting base 1, and a mounting bearing 5 matched with the positioning sleeve 3 is fixedly installed on the bottom of the mounting turntable 2. A driving component 6 is fixedly installed on the bottom of the mounting base 1. The driving component 6 is a common existing technology at present, and is composed of a servo motor and a reducer. It can provide power for the rotation of the mounting turntable 2, and a driving gear 7 is fixedly sleeved on the output shaft of the driving component 6. The inner ring of the mounting bearing 5 is provided with a transmission gear ring matched with the driving gear 7. 8, the driving gear 7 is driven to rotate by the driving assembly 6, and the installation turntable 2 can be driven to rotate by the transmission gear ring 8, so as to drive the workpiece to rotate, adjust the relative position of the workpiece and the shot blaster, and realize the comprehensive processing of the workpiece. A position detection toothed disc 9 is fixedly installed at the bottom of the installation turntable 2, and a plurality of positioning short teeth 10 are arranged on the peripheral side of the position detection toothed disc 9. The surface of the workpiece that needs to be processed is positioned by the positioning long teeth 11. When the photoelectric switch 14 detects the positioning long teeth 11, the speed of the installation turntable 2 driven by the driving assembly 6 is reduced, and the positioning short teeth 10 are continuously detected by the photoelectric switch 14. By detecting the number of the short positioning teeth 10, the focus processing surface of the workpiece is calibrated, the rotation speed of the workpiece is reduced, the processing time of the specific surface of the workpiece is extended, and the processing quality is improved. The end of the short positioning teeth 10 is provided with long positioning teeth 11. According to the surface of the workpiece that needs to be focused on, the number of the long positioning teeth 11 can be adaptively adjusted, so as to achieve efficient and high-quality processing of each surface of the workpiece. A photoelectric switch 14 that cooperates with the short positioning teeth 10 and the long positioning teeth 11 is fixedly installed on the top of the mounting base 1. The photoelectric switch 14 detects multiple short positioning teeth 10 behind the long positioning teeth 11, and the range of the low-speed operation area can be controlled. For example, after the photoelectric switch 14 detects the long positioning teeth 11, the speed of the mounting turntable 2 is reduced. The six short positioning teeth 10 subsequently detected by the photoelectric switch 14 are in the low-speed operation area. Before the photoelectric switch 14 detects the six short positioning teeth 10, the mounting turntable 2 rotates at a low speed. A protective cover 15 is fixed on the peripheral side of the mounting turntable 2 by bolts, a limiting ring 16 is provided on the top of the mounting base 1, and a rubber sealing ring 17 cooperating with the protective cover 15 is glued to the inside of the limiting ring 16. The protective cover 15 cooperates with the rubber sealing ring 17 to seal the mounting base 1 and the mounting turntable 2, thereby improving the protection effect.

[0025] See also Figure 2 , 34. The positioning sleeve 3 is located on the central axis of the mounting base 1. The positioning sleeve 3 is fixed to the mounting base 1 by bolts to ensure that the positioning sleeve 3 is firmly connected to the mounting base 1 and that the positioning sleeve 3 is easy to disassemble and assemble. A mounting bearing 5 is embedded inside the positioning sleeve 3. The connecting sleeve 4 is restricted by the positioning sleeve 3 and the mounting bearing 5 to ensure that the connecting sleeve 4 is firmly connected to the positioning sleeve 3 and that the connecting sleeve 4 and the mounting turntable 2 can rotate stably.

[0026] The connecting sleeve 4 is located on the central axis of the mounting turntable 2. The connecting sleeve 4 is fixed on the mounting turntable 2 by bolts to ensure that the connecting sleeve 4 is firmly connected to the mounting turntable 2 and facilitate the disassembly and assembly of the connecting sleeve 4. The connecting sleeve 4 is movably installed on the positioning sleeve 3 by installing the bearing 5. The bearing 5 is installed to limit the connecting sleeve 4 to ensure that the connecting sleeve 4 is firmly connected to the positioning sleeve 3 and the connecting sleeve 4 and the mounting turntable 2 can rotate stably.

[0027] See also Figure 5 , 6 The position detection gear disc 9 is fixedly installed on the bottom of the mounting turntable 2 by bolts, ensuring that the position detection gear disc 9 is firmly connected to the mounting turntable 2, and at the same time it is convenient to disassemble and assemble the position detection gear disc 9, and the position detection gear disc 9 is located on the central axis of the mounting turntable 2, ensuring that the position detection gear disc 9 and the mounting turntable 2 can rotate on the same central axis, ensuring that the photoelectric switch 14 can accurately detect the position of the mounting turntable 2 through the position detection gear disc 9.

[0028] The positioning short teeth 10 are evenly distributed on the circumference of the position detection gear disc 9. The positioning short teeth 10 behind the positioning long teeth 11 are detected by the photoelectric switch 14. The rotation speed of the mounting turntable 2 can be controlled according to the number of positioning short teeth 10 in the low-speed operation area. The angle between adjacent positioning short teeth 10 is 4-10°. The more the number of positioning short teeth 10, the higher the detection accuracy. The spacing angle and number of the positioning short teeth 10 can be set according to needs.

[0029] A locking bolt 12 is clamped inside the long positioning tooth 11, and the locking bolt 12 can be threadedly connected to the short positioning tooth 10. The long positioning tooth 11 is locked at the end of the short positioning tooth 10 by the locking bolt 12, which is convenient for disassembly and assembly of the long positioning tooth 11, and at the same time, it is convenient to adjust the position of the long positioning tooth 11 according to the key processing surface of the workpiece. A positioning rod 13 is provided on the locking bolt 12, and the positioning rod 13 can be clamped on the short positioning tooth 10. The positioning rod 13 is used to limit the long positioning tooth 11 to ensure the stability of the long positioning tooth 11 after installation on the short positioning tooth 10, and to prevent the long positioning tooth 11 from rotating.

[0030] See also Figure 3The photoelectric switch 14 is located below the positioning short teeth 10 and the positioning long teeth 11. The position of the positioning long teeth 11 is detected by the photoelectric switch 14. When the photoelectric switch 14 detects the positioning long teeth 11, the surface of the workpiece that needs to be processed is rotated to the initial position of the shot blasting machine. The photoelectric switch 14 detects multiple positioning short teeth 10 behind the positioning long teeth 11, and the range of the low-speed operation area can be controlled. For example, after the photoelectric switch 14 detects the positioning long teeth 11, the speed of the installation turntable 2 is reduced. The 6 positioning short teeth 10 detected by the photoelectric switch 14 in the subsequent detection are in the low-speed operation area. Before the photoelectric switch 14 detects the 6 positioning short teeth 10, the installation turntable 2 is all rotating at a low speed. The photoelectric switch 14 can detect the positions of the positioning short teeth 10 and the positioning long teeth 11. The photoelectric switch 14 is a common existing technology at present, and Schneider's products can be selected.

[0031] In summary, the directional high and low speed operation mechanism for controlling the shot blasting parts is installed in the shot blasting machine chamber through the installation base 1 when in use, and the photoelectric switch 14 is made to correspond to the initial position of the shot blasting of the shot blasting machine, and the drive component 6 and the photoelectric switch 14 are electrically connected to the control system of the shot blasting machine, and the mounting mechanism such as the hanger for mounting the workpiece is installed on the mounting turntable 2, and the workpiece is installed on the mounting turntable 2 through the mounting mechanism such as the hanger, and the number of positioning short teeth 10 corresponding to the focus processing surface of the workpiece is set according to the number of positioning short teeth 10 corresponding to the rear of the positioning long teeth 11 through the control system. When performing shot blasting, the drive component 6 drives the active gear 7 and the transmission gear ring 8 to rotate, thereby driving the installation The turntable 2 and the workpiece rotate at a constant speed. When the photoelectric switch 14 detects the long positioning teeth 11, it indicates that the surface of the workpiece that needs to be processed has rotated to the initial position of the shot blasting machine. The photoelectric switch 14 transmits a signal to the control system. The control system controls the drive component 6 to reduce the rotation speed of the turntable 2 according to the signal. The photoelectric switch 14 continues to detect the short positioning teeth 10. When the photoelectric switch 14 detects that the number of short positioning teeth 10 corresponding to the low-speed operation area has exceeded, the control system controls the drive component 6 to return to normal speed, reduces the workpiece speed to extend the processing time of a specific surface of the workpiece, and adaptively adjusts the number of long positioning teeth 11 according to the surface of the workpiece that needs to be processed, so as to achieve efficient and high-quality processing of each surface of the workpiece.

[0032] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0033] Although 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 mechanism for controlling the directional high and low speed operation of shot blasting parts, comprising a mounting base (1) and a mounting turntable (2), characterized in that: A positioning sleeve (3) is fixedly mounted on the top of the mounting base (1), a mounting bearing (5) matched with the positioning sleeve (3) is fixedly mounted on the bottom of the mounting turntable (2), a driving assembly (6) is fixedly mounted on the bottom of the mounting base (1), and a driving gear (7) is fixedly sleeved on the output shaft of the driving assembly (6), a transmission gear ring (8) matched with the driving gear (7) is provided on the inner ring of the mounting bearing (5), and a position detection gear disc (9) is fixedly mounted on the bottom of the mounting turntable (2), and the position detection gear disc (9) is fixedly mounted on the bottom of the mounting base (1). A plurality of short positioning teeth (10) are arranged on the circumferential side of the disk (9), and long positioning teeth (11) are arranged at the ends of the short positioning teeth (10). A photoelectric switch (14) cooperating with the short positioning teeth (10) and the long positioning teeth (11) is fixedly installed on the top of the mounting base (1). A protective cover (15) is fixedly installed on the circumferential side of the mounting turntable (2) by means of bolts. A limiting ring (16) is arranged on the top of the mounting base (1), and a rubber sealing ring (17) cooperating with the protective cover (15) is glued inside the limiting ring (16).

2. A mechanism for controlling the directional high and low speed operation of shot blasting parts according to claim 1, characterized in that: The positioning sleeve (3) is located on the central axis of the mounting base (1); the positioning sleeve (3) is fixedly mounted on the mounting base (1) by means of bolts; a mounting bearing (5) is embedded inside the positioning sleeve (3).

3. A mechanism for controlling the directional high and low speed operation of shot blasting parts according to claim 2, characterized in that: The connecting sleeve (4) is located on the central axis of the mounting turntable (2); the connecting sleeve (4) is fixedly mounted on the mounting turntable (2) by means of bolts; the connecting sleeve (4) is movably mounted on the positioning sleeve (3) by means of a mounting bearing (5).

4. A mechanism for controlling the directional high and low speed operation of shot blasting parts according to claim 1, characterized in that: The position detection toothed disc (9) is fixedly mounted on the bottom of the mounting turntable (2) by means of bolts, and the position detection toothed disc (9) is located on the central axis of the mounting turntable (2).

5. A mechanism for controlling the directional high and low speed operation of shot blasting parts according to claim 1, characterized in that: The positioning short teeth (10) are evenly distributed on the circumference of the position detection toothed disc (9), and the angle between adjacent positioning short teeth (10) is 4-10°.

6. A mechanism for controlling the directional high and low speed operation of shot blasting parts according to claim 1, characterized in that: A locking bolt (12) is clamped inside the long positioning tooth (11), and the locking bolt (12) can be threadedly connected to the short positioning tooth (10). A positioning rod (13) is provided on the locking bolt (12), and the positioning rod (13) can be clamped on the short positioning tooth (10).

7. A mechanism for controlling the directional high and low speed operation of shot blasting parts according to claim 1, characterized in that: The photoelectric switch (14) is located below the short positioning teeth (10) and the long positioning teeth (11), and the photoelectric switch (14) can detect the positions of the short positioning teeth (10) and the long positioning teeth (11).

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