Polishing platform for expansion joint production

Abstract

The utility model discloses a polishing platform for expansion joint production, which comprises a base, a positioning structure and a polishing structure, the positioning structure and the polishing structure are mounted on the base, the polishing structure comprises a supporting vertical plate, a polishing motor and a polishing disc, and the supporting vertical plate is vertically arranged on the base. The grinding motor is arranged on one side of the supporting vertical plate, a power output shaft of the grinding motor penetrates through the supporting vertical plate and extends to the other side of the supporting vertical plate, the grinding disc is installed on the power output shaft of the grinding motor, the positioning structure comprises an adjusting bin, an adjusting screw rod and a positioning assembly, the adjusting bin is arranged on the base and corresponds to the grinding disc, and the adjusting screw rod is arranged on the adjusting bin. A guide groove is formed in the top of the adjusting bin, the two ends of the adjusting screw rod are rotationally arranged on the opposite side walls in the adjusting bin, a rotary knob is further rotationally arranged on the side wall of the adjusting bin, and the rotary knob is connected with one end of the adjusting screw rod. The utility model relates to the technical field of polishing devices, and particularly provides a polishing platform for expansion joint production.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a grinding platform for expansion joint production. Background Art

[0002] An expansion joint is a flexible element that can effectively compensate for axial deformation. It has the advantages of saving space, saving materials, and facilitating standardization and mass production. There are many types of expansion joints, and the commonly used ones are corrugated, ring plate welding, and clamp shell structures.

[0003] Bellows expansion joint is a common expansion joint, which is composed of bellows and connecting flanges at both ends. The bellows and the connecting flanges at both ends are generally welded, and then the end faces are polished to ensure the end faces are flat and remove surface oxide scales. The existing polishing methods are mostly manual polishing, which is inefficient, and mechanical polishing and clamping of rotating body parts are more troublesome. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the manual grinding efficiency is low, the expansion joint clamping is troublesome, and it is inconvenient to use grinding equipment for mechanical grinding.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: the utility model proposes a grinding platform for expansion joint production, comprising a base and a positioning structure and a grinding structure installed on the base, the grinding structure comprising a supporting plate, a grinding motor and a grinding disc, the supporting plate is vertically arranged on the base, the grinding motor is arranged on one side of the supporting plate and the power output shaft passes through the supporting plate and extends to the other side of the supporting plate, the grinding disc is installed on the power output shaft of the grinding motor, the positioning structure comprises an adjusting bin, an adjusting screw and a positioning assembly, the adjusting bin is arranged on the base and corresponding to the grinding disc, a guide groove is opened on the top of the adjusting bin, two ends of the adjusting screw are rotatably arranged on opposite side walls in the adjusting bin, the side walls of the adjusting bin are also rotatably provided with a knob, the knob is connected to one end of the adjusting screw, the adjusting screw is also provided with a threaded block through a threaded connection, the upper end of the threaded block passes through and is slidably arranged in the guide groove, and the positioning assembly is arranged on the threaded block.

[0006] Preferred technical solution one: the positioning assembly includes a supporting column, a turntable, a driving motor and a locking assembly, the supporting column is vertically arranged on the threaded block, the turntable is rotatably arranged on one side of the supporting column, a driving groove is provided on the supporting column, the driving motor is installed in the driving groove and the power output shaft is connected to the turntable, and the locking assembly is arranged on the side wall of the turntable.

[0007] Preferred technical solution two: the locking assembly includes a locking bin, a locking screw, a sliding block and a locking arc plate, one end of the locking bin is arranged on the side wall of the turntable, and both ends of the locking screw are rotatably arranged on the opposite side walls in the locking bin, the locking bin is provided with sliding grooves at the top and bottom, the sliding block is slidably arranged in the locking bin, the sliding block is connected to the locking screw by a thread, one side of the locking bin is rotatably provided with an adjusting block, the adjusting block is connected to the locking screw, and the side wall of the turntable is also provided with a sliding groove, one end of the locking arc plate is slidably arranged in the sliding groove, the locking arc plate and the sliding block are connected by a supporting connecting rod, the supporting connecting rod passes through the sliding groove and the two ends are respectively hinged to the locking arc plate and the sliding block.

[0008] Preferred technical solution three: a protective cover is also slidably provided on the base, and an observation window and a push handle are provided on the front wall of the protective cover.

[0009] Optimal technical solution four: The locking arc plate is also provided with an anti-slip rubber pad to increase the support strength and stability with the inner wall of the expansion joint during support.

[0010] Preferred technical solution five: A control display screen is also provided on the front side of the supporting vertical plate, and the driving motor and the grinding motor are both electrically connected to the control display screen.

[0011] The utility model proposes a grinding platform for expansion joint production, and the beneficial effects achieved by adopting the above structure are as follows:

[0012] (1) The support column, turntable, drive motor and locking assembly can be used to stably support expansion joints with different inner diameters. The operation is flexible and convenient. The grinding feed amount can be stably adjusted by adjusting the adjustment bin and the adjustment screw, and the grinding can be performed in cooperation with the grinding structure.

[0013] (2) The protective cover can flexibly adjust the protective position to protect the operator during the grinding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 The overall structure of a grinding platform for expansion joint production proposed by the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The overall structure of a grinding platform for expansion joint production proposed by the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3This is a schematic cross-sectional view of a grinding platform for expansion joint production proposed by the utility model;

[0018] Figure 4 for Figure 3 A partial enlarged schematic diagram of part A.

[0019] Among them, 1. base, 2. positioning structure, 3. grinding structure, 4. support plate, 5. grinding motor, 6. grinding disc, 7. adjustment bin, 8. adjustment screw, 9. guide groove, 10. knob, 11. threaded block, 12. support column, 13. turntable, 14. drive motor, 15. drive groove, 16. locking bin, 17. locking screw, 18. sliding block, 19. locking arc plate, 20. sliding groove, 21. adjusting block, 22. slide groove, 23. support connecting rod, 24. protective cover, 25. observation window, 26. push handle, 27. anti-slip rubber pad, 28. control display screen. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] Embodiment 1

[0023] like Figures 1 to 3As shown, the technical solution adopted by the utility model is as follows: a grinding platform for expansion joint production, including a base 1 and a positioning structure 2 and a grinding structure 3 installed on the base 1, the grinding structure 3 includes a supporting plate 4, a grinding motor 5 and a grinding disc 6, the supporting plate 4 is vertically arranged on the base 1, the grinding motor 5 is arranged on one side of the supporting plate 4 and the power output shaft passes through the supporting plate 4 and extends to the other side of the supporting plate 4, the grinding disc 6 is installed on the power output shaft of the grinding motor 5, the positioning structure 2 includes an adjusting bin 7, an adjusting screw 8 and a positioning assembly, and the adjusting screw 8 is provided on the adjusting plate 4. The regulating bin 7 is arranged on the base 1 and corresponds to the grinding disc 6. A guide groove 9 is opened on the top of the regulating bin 7. Both ends of the adjusting screw 8 are rotatably arranged on the opposite side walls in the regulating bin 7. The side walls of the regulating bin 7 are also rotatably provided with a knob 10, which is connected to one end of the adjusting screw 8. The adjusting screw 8 is also provided with a threaded block 11 through a threaded connection. The upper end of the threaded block 11 passes through and is slidably arranged in the guide groove 9, and the positioning assembly is arranged on the threaded block 11; a protective cover 24 is also slidably provided on the base 1, and an observation window 25 and a push handle 26 are provided on the front wall of the protective cover 24.

[0024] Embodiment 2

[0025] Based on the first embodiment, Figure 3 and Figure 4 As shown, the positioning assembly includes a support column 12, a turntable 13, a drive motor 14 and a locking assembly. The support column 12 is vertically arranged on the threaded block 11, and the turntable 13 is rotatably arranged on one side of the support column 12. A drive groove 15 is provided on the support column 12, and the drive motor 14 is installed in the drive groove 15 and the power output shaft is connected to the turntable 13. The locking assembly is arranged on the side wall of the turntable 13; the locking assembly includes a locking chamber 16, a locking screw 17, a sliding block 18 and a locking arc plate 19. One end of the locking chamber 16 is arranged on the side wall of the turntable 13, and the two ends of the locking screw 17 are rotatably arranged on the opposite side walls in the locking chamber 16. The locking chamber 16 is opened up and down. A sliding groove 20 is provided, and a sliding block 18 is slidably arranged in the locking bin 16. The sliding block 18 is connected to the locking screw 17 by threads. An adjusting block 21 is rotatably arranged on one side of the locking bin 16, and the adjusting block 21 is connected to the locking screw 17. A sliding groove 22 is also provided on the side wall of the turntable 13. One end of the locking arc plate 19 is slidably arranged in the sliding groove 22. The locking arc plate 19 and the sliding block 18 are connected by a supporting connecting rod 23. The supporting connecting rod 23 passes through the sliding groove 20 and the two ends are respectively hinged to the locking arc plate 19 and the sliding block 18; an anti-slip rubber pad 27 is also provided on the locking arc plate 19 to increase the supporting strength and stability with the inner wall of the expansion joint during support.

[0026] A control display screen 28 is also provided on the front side of the support vertical plate 4 , and the drive motor 14 and the grinding motor 5 are both electrically connected to the control display screen 28 .

[0027] During specific use, one end of the expansion joint is inserted into the locking bin 16 and contacted with the turntable 13, and then the adjusting block 21 is rotated to drive the locking screw 17 to rotate, thereby driving the sliding block 18 to move, and the sliding block 18 drives the supporting connecting rod 23 to move, so that the locking arc plate 19 moves and contacts and presses the inner wall of the expansion joint, and the knob 10 is turned to drive the adjusting screw 8 to rotate, and the support column 12 is driven to move by the threaded block 11 to control the feed amount, and the grinding motor 5 is started to drive the grinding disk 6 to rotate. During the grinding process, the protective cover 24 is used to protect the splashes generated by the grinding. At the same time, the turntable 13 is driven to rotate by the driving motor 14, so that the grinding disk 6 can evenly grind different positions of the flange of the expansion joint, and the grinding is accurate and efficient.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0029] 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 grinding platform for expansion joint production, comprising a base and a positioning structure and a grinding structure installed on the base, characterized in that: The grinding structure includes a supporting plate, a grinding motor and a grinding disc, the supporting plate is vertically arranged on the base, the grinding motor is arranged on one side of the supporting plate and the power output shaft passes through the supporting plate and extends to the other side of the supporting plate, the grinding disc is installed on the power output shaft of the grinding motor, the positioning structure includes an adjusting bin, an adjusting screw and a positioning assembly, the adjusting bin is arranged on the base and corresponding to the grinding disc, a guide groove is opened on the top of the adjusting bin, two ends of the adjusting screw are rotatably arranged on opposite side walls in the adjusting bin, the side walls of the adjusting bin are also rotatably provided with a knob, the knob is connected to one end of the adjusting screw, and a threaded block is also provided on the adjusting screw through a threaded connection, the upper end of the threaded block passes through and is slidably arranged in the guide groove, and the positioning assembly is arranged on the threaded block.

2. A grinding platform for expansion joint production according to claim 1, characterized in that: The positioning assembly includes a supporting column, a turntable, a driving motor and a locking assembly. The supporting column is vertically arranged on the threaded block, the turntable is rotatably arranged on one side of the supporting column, a driving groove is provided on the supporting column, the driving motor is installed in the driving groove and the power output shaft is connected to the turntable, and the locking assembly is arranged on the side wall of the turntable.

3. A grinding platform for expansion joint production according to claim 2, characterized in that: The locking assembly includes a locking bin, a locking screw, a sliding block and a locking arc plate, one end of the locking bin is arranged on the side wall of the turntable, two ends of the locking screw are rotatably arranged on the opposite side walls in the locking bin, the locking bin is provided with sliding grooves at the top and bottom, the sliding block is slidably arranged in the locking bin, the sliding block is threadedly connected to the locking screw, one side of the locking bin is rotatably provided with an adjusting block, the adjusting block is connected to the locking screw, the side wall of the turntable is also provided with a sliding groove, one end of the locking arc plate is slidably arranged in the sliding groove, the locking arc plate and the sliding block are connected by a supporting connecting rod, the supporting connecting rod passes through the sliding groove and the two ends are respectively hinged to the locking arc plate and the sliding block.

4. A grinding platform for expansion joint production according to claim 3, characterized in that: A protective cover is also slidably provided on the base, and an observation window and a pushing handle are provided on the front wall of the protective cover.

5. A grinding platform for expansion joint production according to claim 4, characterized in that: The locking arc plate is also provided with an anti-skid rubber pad.

6. A grinding platform for expansion joint production according to claim 5, characterized in that: A control display screen is also provided on the front side of the supporting vertical plate, and the driving motor and the grinding motor are both electrically connected to the control display screen.

Images