CN220548081U

CN220548081U - Polishing device

Info

Publication number: CN220548081U
Application number: CN202322220876.4U
Authority: CN
Inventors: 张义新; 王鹏; 常春; 欧龙龙
Original assignee: Lianxiang Quanjiao Rail Transit Equipment Co ltd
Current assignee: Lianxiang Quanjiao Rail Transit Equipment Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-03-01
Anticipated expiration: 2033-08-16

Abstract

The utility model relates to the technical field of precoated sand shell production, in particular to a polishing device, which comprises a bottom cabinet, wherein a top plate is fixedly arranged at the top of the bottom cabinet, a central hole is formed in the middle position of the top plate, a central ring is arranged in the central position of the central hole, mounting plates are rotatably connected between two sides of the central ring and two sides of the central hole, one mounting plate is provided with a guide groove, an I-shaped sliding seat is slidably arranged on the inner wall of the guide groove, and a polishing assembly is arranged at the bottom of the I-shaped sliding seat. According to the polishing device, the handle rod is convenient to drive the polishing assembly to integrally rotate and drive the polishing assembly to integrally move, polishing operation is convenient to be carried out on the irregularly-shaped precoated sand shell-making workpiece, a polishing mode of manually holding the workpiece is replaced, the labor degree of people is effectively reduced, the polishing effect is guaranteed, and the working efficiency of the whole device is improved.

Description

Polishing device

Technical Field

The utility model relates to the technical field of precoated sand shell production, in particular to a polishing device.

Background

Precoated sand is a molding sand used in molding and core making processes in casting processes, in which the sand surface has been covered with a solid resin film, and is obtained by adding a thermoplastic phenolic resin, a curing agent, a lubricant and special additives to the raw sand. The precoated sand mould (core) has the advantages of few working procedures in the forming process, capability of manufacturing the most complex sand core, high mechanization degree, cleanness, environmental protection, difficult moisture absorption, convenience for storage and transportation, and the like. The precoated sand shell needs to be finely machined when in production, and the workpiece needs to be polished through a polishing device when in fine machining.

Through retrieving, patent publication No. CN 216029978U's a polishing device of clearance of being convenient for is used in tectorial membrane sand system shell production, includes: the backup pad can support and install equipment, the backup pad top is connected with the support frame, and the support frame can carry out grinding device to equipment and install, first motor is installed at the support frame top, and first motor can be as the basic effort of device, install the speed increaser between first motor and the support frame. In the process of realizing the scheme, the following problems in the prior art are found to be not solved well: when the precoated sand shell making workpiece polishing device in the prior art is used, because of the irregularity of the shape, the polishing treatment is needed in a manual hand-held mode, and the manual hand-held rotating operation process is matched, so that the labor degree of people is increased, the polishing effect cannot be ensured, and the working efficiency of the whole device is reduced, and therefore, the design of the polishing device is needed to solve the problems.

Disclosure of Invention

The present utility model is directed to a polishing apparatus, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the polishing device comprises a bottom cabinet, wherein a top plate is fixedly arranged at the top of the bottom cabinet, a central hole is formed in the middle position of the top plate, a central ring is arranged in the central position of the central hole, mounting plates are rotatably connected between two sides of the central ring and two sides of the central hole, one mounting plate is provided with a guide groove, an I-shaped sliding seat is slidably arranged on the inner wall of the guide groove, a polishing assembly is arranged at the bottom of the I-shaped sliding seat, a handle rod is fixed at the top of the I-shaped sliding seat, a guide rod is fixed between the inner walls of two ends of the guide groove, a guide hole for the guide rod to pass through is formed in the middle position of the I-shaped sliding seat, and a spring is fixed between one end of the I-shaped sliding seat and one end of the guide groove;

the supporting table is fixedly arranged at the middle position of the top of the bottom cabinet, and the clamping assembly right above the supporting table is arranged at the middle position of the center ring.

Further, the polishing assembly comprises a shell fixedly arranged at the bottom of the I-shaped sliding seat, a motor is fixedly arranged on the inner wall of the shell, and a polishing wheel is fixedly arranged on an output shaft of the motor.

Further, a first annular groove is formed in the circumferential inner wall of the central hole, a second annular groove is formed in the outer wall of the central ring, a first shaft sleeve is fixedly mounted on the inner wall of the first annular groove, a second shaft sleeve is fixedly mounted on the inner wall of the second annular groove, and the outer wall of the second shaft sleeve and the inner wall of the first shaft sleeve are fixedly connected with two ends of the two mounting plates respectively.

Further, the clamping assembly comprises an air cylinder fixedly mounted on the circumferential inner wall of the center ring, a clamping seat is fixedly mounted at the piston end of the air cylinder, a protection pad is fixed at the bottom of the clamping seat, and a plurality of anti-skid grooves are formed in the protection pad.

Further, the top of supporting bench is fixed with the backup pad that the equidistance is annular distribution, and the top surface height of backup pad is less than the bottom surface height of grinding wheel.

Further, equipment chamber has been seted up to one side intermediate position of end cabinet, and top inner wall one side fixed mounting in equipment chamber has the suction hood, and bottom inner wall one side fixed mounting in equipment chamber has the dust catcher, and fixed mounting has the dust absorption pipe between one side of dust catcher and the bottom of suction hood, the equidistance is the dust absorption through-hole that annular distributes with the bottom of end cabinet has been seted up to the brace table, and the suction hood parcel is outside at the dust absorption through-hole, and the position of dust absorption through-hole is crisscross with the position of backup pad mutually, the one end in equipment chamber is provided with the side door.

Further, the storing groove has all been seted up at the both ends of end cabinet, and the inside in storing groove all is provided with the drawer, and the equal fixed mounting in bottom four corners of end cabinet has brake universal wheel.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the precoated sand shell workpiece can be clamped and fixed on the whole device through the matching action of the clamping component and the supporting plate by utilizing the matching of the arranged base cabinet, the top plate, the center ring, the first shaft sleeve, the mounting plate, the second shaft sleeve, the I-shaped sliding seat, the spring, the handle rod, the supporting table, the supporting plate, the clamping component and the like, so that the stability of the whole precoated sand shell workpiece to be polished is kept, the rotation action of the first shaft sleeve and the second shaft sleeve and the sliding action of the I-shaped sliding seat in the guide groove can be utilized to conveniently drive the polishing component to integrally rotate, and also drive the polishing component to integrally move, thereby being convenient for polishing the irregularly-shaped precoated sand shell workpiece, replacing the polishing mode of manual holding the workpiece, effectively reducing the labor degree of people, guaranteeing the polishing effect and improving the working efficiency of the whole device;

according to the utility model, by means of the cooperation of the supporting table, the dust collection through hole, the equipment cavity, the dust collector and the dust collection cover, waste scraps generated in polishing are collected through the dust collector, the dust collection cover and the dust collection through hole in the rotary polishing process, and the problem of dust emission in the rotary process is avoided.

Drawings

Fig. 1 is a schematic overall structure of a polishing apparatus.

Fig. 2 is a schematic view of a first annular groove and equipment chamber of a polishing apparatus.

Fig. 3 is a schematic view of a dust hood and support table structure of a polishing apparatus.

Fig. 4 is a schematic view of a motor and spring structure of a polishing device.

Fig. 5 is a schematic view of a center ring and a protective pad structure of a polishing device.

In the figure: 1. a bottom cabinet; 2. a side door; 3. a support table; 4. a top plate; 5. grinding wheel; 6. a handle bar; 7. a central bore; 8. a cylinder; 9. a center ring; 10. a first sleeve; 11. a mounting plate; 12. a drawer; 13. a clamping seat; 14. a first annular groove; 15. an equipment chamber; 16. a dust collector; 17. a dust hood; 18. a dust collection through hole; 19. a support plate; 20. a motor; 21. a housing; 22. i-shaped sliding seat; 23. a guide groove; 24. a spring; 25. a second sleeve; 26. and a protective pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, in the embodiment of the utility model, a polishing device comprises a bottom cabinet 1, a top plate 4 is fixedly installed at the top of the bottom cabinet 1, a central hole 7 is formed in the middle position of the top plate 4, a central ring 9 is arranged in the central position of the central hole 7, mounting plates 11 are rotatably connected between two sides of the central ring 9 and two sides of the central hole 7, one mounting plate 11 is provided with a guide groove 23, an i-shaped slide 22 is slidably arranged on the inner wall of the guide groove 23, a polishing component is arranged at the bottom of the i-shaped slide 22, the polishing component comprises a shell 21 fixedly installed at the bottom of the i-shaped slide 22, a motor 20 is fixedly installed on the inner wall of the shell 21, a polishing wheel 5 is fixedly installed on an output shaft of the motor 20, a handle bar 6 is fixed at the top of the i-shaped slide 22, guide bars are fixed between the inner walls of two ends of the guide groove 23, a spring 24 is fixed between one end of the i-shaped slide 22 and one end of the guide groove 23, the whole rotation of the polishing component is conveniently driven by the handle bar 6, the polishing component is conveniently driven to move integrally, the polishing component is conveniently and the polishing efficiency of a manual polishing device is conveniently improved, the whole polishing device is used for polishing work, and the work efficiency is effectively improved, and a manual work is guaranteed, and a work efficiency is effectively is reduced;

the supporting table 3 is fixedly arranged at the middle position of the top of the bottom cabinet 1, the clamping assembly is arranged at the middle position of the center ring 9 and is arranged right above the supporting table 3, the clamping assembly comprises a cylinder 8 fixedly arranged on the inner circumferential wall of the center ring 9, a clamping seat 13 is fixedly arranged at the piston end of the cylinder 8, a protection pad 26 is fixed at the bottom of the clamping seat 13, a plurality of anti-skid grooves are formed in the protection pad 26, a supporting plate 19 which is distributed annularly is fixed at the top of the supporting table 3, the top surface of the supporting plate 19 is lower than the bottom surface of the polishing wheel 5, the precoated sand shell making workpiece can be clamped and fixed on the whole device through the cooperation of the clamping assembly and the supporting plate 19, and the stability of the whole precoated sand shell making workpiece needing polishing is kept.

Specifically, the first annular groove 14 is formed in the circumferential inner wall of the central hole 7, the second annular groove is formed in the outer wall of the central ring 9, the first shaft sleeve 10 is fixedly mounted on the inner wall of the first annular groove 14, the second shaft sleeve 25 is fixedly mounted on the inner wall of the second annular groove, the outer wall of the second shaft sleeve 25 and the inner wall of the first shaft sleeve 10 are fixedly connected with the two ends of the two mounting plates 11 respectively, and the mounting plates 11 are convenient to rotate through the rotation action of the first shaft sleeve 10 and the second shaft sleeve 25.

Specifically, equipment chamber 15 has been seted up to one side intermediate position of cabinet 1, and top inner wall one side fixed mounting in equipment chamber 15 has dust hood 17, bottom inner wall one side fixed mounting in equipment chamber 15 has dust catcher 16, fixed mounting has the dust absorption pipe between one side of dust catcher 16 and the bottom of dust hood 17, the equidistance is annular distribution's dust absorption opening 18 has been seted up with the bottom of cabinet 1 on the brace table 3, and dust hood 17 parcel is in the outside of dust absorption opening 18, the position of dust absorption opening 18 is crisscrossed with the position of backup pad 19, one end in equipment chamber 15 is provided with side door 2, collect the sweeps that produce when will polishing through dust catcher 16, dust hood 17 and dust absorption opening 18, avoid the problem that produces the raise dust in the rotation process.

Example 2

Referring to fig. 1, unlike embodiment 1, storage slots are formed at two ends of the base cabinet 1, drawers 12 are provided in the storage slots, brake universal wheels are fixedly mounted at four corners of the bottom of the base cabinet 1, and the whole device has a storage function through the storage slots and the drawers 12.

The working principle of the utility model is as follows: when the device is used, a user places the precoated sand shell making workpiece on the supporting plate 19, the height of the clamping seat 13 and the protecting pad 26 is reduced through the air cylinder 8 in the clamping assembly, the precoated sand shell making workpiece can be clamped and fixed on the whole device, the user drives the grinding wheel 5 to rotate through the motor 20 in the grinding assembly, the rotation of the first shaft sleeve 10 and the second shaft sleeve 25 and the sliding action of the I-shaped sliding seat 22 in the guide groove 23 can facilitate the integral rotation of the grinding assembly through the handle rod 6, the integral displacement of the grinding assembly is also driven, the grinding operation on the precoated sand shell making workpiece with an irregular shape is facilitated, and in the rotary grinding process, scraps generated in the grinding process are collected through the dust collector 16, the dust suction hood 17 and the dust suction through hole 18, so that the problem of dust raising in the rotary process is avoided.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims

1. Grinding device, including end cabinet (1), its characterized in that: the top of the bottom cabinet (1) is fixedly provided with a top plate (4), the middle position of the top plate (4) is provided with a central hole (7), the central position of the central hole (7) is provided with a central ring (9), two sides of the central ring (9) are rotationally connected with mounting plates (11) between two sides of the central hole (7), one mounting plate (11) is provided with a guide groove (23), the inner wall of the guide groove (23) is provided with an I-shaped sliding seat (22) in a sliding manner, the bottom of the I-shaped sliding seat (22) is provided with a polishing component, the top of the I-shaped sliding seat (22) is fixedly provided with a handle rod (6), a guide hole for the guide rod to pass through is formed between the inner walls of two ends of the guide groove (23), and a spring (24) is fixedly arranged between one end of the I-shaped sliding seat (22) and one end of the guide groove (23);

the supporting table (3) is fixedly arranged at the middle position of the top of the bottom cabinet (1), and a clamping assembly right above the supporting table (3) is arranged at the middle position of the center ring (9).

2. A polishing apparatus as set forth in claim 1 wherein: the polishing assembly comprises a shell (21) fixedly arranged at the bottom of the I-shaped sliding seat (22), a motor (20) is fixedly arranged on the inner wall of the shell (21), and a polishing wheel (5) is fixedly arranged on an output shaft of the motor (20).

3. A grinding device according to claim 2, wherein: the circumference inner wall of centre bore (7) has seted up first ring channel (14), and the outer wall of centre ring (9) has seted up the second ring channel, and the inner wall fixed mounting of first ring channel (14) has first axle sleeve (10), and the inner wall fixed mounting of second ring channel has second axle sleeve (25), the outer wall of second axle sleeve (25) and the inner wall of first axle sleeve (10) respectively with the both ends fixed connection of two mounting panels (11).

4. A grinding apparatus as defined in claim 3, wherein: the clamping assembly comprises an air cylinder (8) fixedly arranged on the circumferential inner wall of the center ring (9), a clamping seat (13) is fixedly arranged at the piston end of the air cylinder (8), a protection pad (26) is fixed at the bottom of the clamping seat (13), and a plurality of anti-skid grooves are formed in the protection pad (26).

5. A polishing apparatus as set forth in claim 4 wherein: the top of the supporting table (3) is fixedly provided with supporting plates (19) which are distributed in an annular mode at equal distances, and the top surface of the supporting plates (19) is lower than the bottom surface of the polishing wheel (5).

6. A polishing apparatus as set forth in claim 5 wherein: the utility model discloses a dust collection device is characterized in that a device cavity (15) is arranged at one side intermediate position of a bottom cabinet (1), a dust collection cover (17) is fixedly arranged on one side of the top inner wall of the device cavity (15), a dust collector (16) is fixedly arranged on one side of the bottom inner wall of the device cavity (15), a dust collection pipe is fixedly arranged between one side of the dust collector (16) and the bottom of the dust collection cover (17), dust collection through holes (18) which are distributed in an annular mode are formed in the supporting table (3) and the bottom of the bottom cabinet (1), the dust collection cover (17) wraps the outside of the dust collection through holes (18), the positions of the dust collection through holes (18) are staggered with the positions of a supporting plate (19), and one end of the device cavity (15) is provided with a side door (2).

7. A polishing apparatus as set forth in claim 1 wherein: storage grooves are formed in two ends of the bottom cabinet (1), drawers (12) are arranged in the storage grooves, and brake universal wheels are fixedly mounted at four corners of the bottom cabinet (1).