CN220446159U - Grinding machine - Google Patents

Abstract

The utility model discloses a grinder, in particular to the field of grinders, which comprises a grinder main body, wherein a grinding disc is arranged in the grinder main body, a rotating shaft is slidably connected to the top of the grinder main body, a connecting plate is fixedly arranged at the top end of the rotating shaft, a positioning cylinder is fixedly arranged at the bottom of the connecting plate, a fixing plate is slidably connected to the inner wall of the positioning cylinder, a first screw rod is rotatably connected to the top of the fixing plate and is rotatably connected to the inside of the positioning cylinder, the first screw rod and the connecting plate are arranged in a threaded connection mode, a rotating handle is fixedly arranged at the top end of the first screw rod, and a supporting plate is slidably connected to the inside of the positioning cylinder. According to the utility model, the positioning cylinder and the fixing plate are arranged, so that the positioning cylinder descends to cover the workpiece in the positioning cylinder, the workpiece is positioned, the fixing plate contacts the workpiece when descending, and the workpiece is tightly attached to the grinding disc by continuously applying pressure to the workpiece, so that the grinding efficiency is improved.

Description

Grinding machine

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a grinding machine.

Background

The grinding machine is a grinding machine for grinding the surface of a workpiece by using a grinding tool coated with or embedded with grinding materials, and is mainly used for grinding a high-precision plane, an inner cylindrical surface, an outer cylindrical surface, a conical surface, a spherical surface, a threaded surface and other molded surfaces in the workpiece.

Chinese patent disclosure CN214642740U discloses a grinder, comprising a stand, on which a workbench and a control box are provided, and on which a grinding turntable for grinding objects placed thereon is connected, respectively. According to the utility model, the grinding turntable and the blocking limiting mechanism are arranged on the workbench, the blocking limiting mechanism comprises a plurality of blocking limiting pieces, and when the workbench is used, an object is placed into the blocking limiting mechanism for grinding, and when the grinding turntable rotates, the object is pushed to rotate. However, this arrangement is not stable enough to fix a workpiece, and when a workpiece is fixed to a slightly larger workpiece, the weight of the workpiece is insufficient, so that the grinding efficiency is lowered, and therefore, how to design a grinder for this problem is a problem that we need to solve at present.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a grinding machine, in which a positioning cylinder and a fixing plate are provided, so that the positioning cylinder descends to position a workpiece, and the fixing plate contacts the workpiece when descending, so that the workpiece is tightly attached to a grinding disc, and further the grinding efficiency is improved to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a grind machine, includes grinds the machine main part, grind the inside grinding disc that is equipped with of machine main part, the top sliding connection of grinding the machine main part has the pivot, the top fixed mounting of pivot has the connecting plate, the bottom fixed mounting of connecting plate has a positioning tube, the inner wall sliding connection of positioning tube has the fixed plate, the top of fixed plate rotates and is connected with first screw rod, first screw rod rotates the inside of connecting at the positioning tube, first screw rod is threaded connection form setting with the connecting plate, the top fixed mounting of first screw rod has the turning handle, the inside sliding connection of positioning tube has the backup pad.

In a preferred embodiment, a limit wheel is rotatably connected to the bottom of the support plate, and a nut is rotatably connected to the inside of the support plate.

In a preferred embodiment, a second screw is fixedly arranged on the outer side of the positioning cylinder, and the nut and the second screw are arranged in a threaded connection mode.

In a preferred embodiment, the top of the grinding disc is provided with a workpiece, and a gear is slidingly connected to the outer side of the rotating shaft, and the gear is rotatably connected to the top of the grinding machine body.

In a preferred embodiment, a fixing member is slidably connected to the top of the grinder body, and a limit lever is fixedly installed to the top of the grinder body.

In a preferred embodiment, the fixing member is slidably connected to the outside of the stop lever, and a spring is provided at one side of the fixing member, and is fixedly installed at the top of the grinder body.

In a preferred embodiment, the top of the grinder body is hinged with a diversion trench, one side of the diversion trench is fixedly provided with a scraping rod, and the scraping rod is arranged in a fitting manner with the grinding disc.

The utility model has the technical effects and advantages that:

1. according to the utility model, the positioning cylinder and the fixing plate are arranged, so that the positioning cylinder descends to cover a workpiece in the positioning cylinder, the workpiece is positioned, the fixing piece is in reset clamping connection with the outer side of the gear, the gear is limited, the rotating shaft is limited, the positioning cylinder fixes the workpiece at the position, the rotating handle is rotated to enable the first screw rod to rotate, the fixing plate descends to be in contact with the workpiece, and pressure is continuously applied to the workpiece, so that the workpiece is tightly attached to the grinding disc, the grinding efficiency is improved, and the stability of the workpiece is improved;

2. according to the utility model, the guide groove and the scraping rod are arranged, the scraping rod is attached to the grinding disc by overturning the guide groove, when the grinding disc rotates and the chips are contacted with the scraping rod, the chips and part of the grinding liquid enter the guide groove through the inclined surface of the scraping rod, and as the guide groove is internally provided with the inclined groove with a certain gradient, the chips and the grinding liquid entering the guide groove flow to the tail part of the guide groove along the inclined groove, and flow out of the guide groove, so that the chips are guided out from the top of the grinding disc, and damage to a workpiece is avoided.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an enlarged view of the structure of the portion a of fig. 1 according to the present utility model.

Fig. 3 is an enlarged view of the B part structure of fig. 1 according to the present utility model.

The reference numerals are: 1. a grinder body; 2. a grinding disc; 3. a rotating shaft; 4. a connecting plate; 5. a positioning cylinder; 6. a fixing plate; 7. a first screw; 8. a rotating handle; 9. a support plate; 10. a limiting wheel; 11. a screw cap; 12. a second screw; 13. a workpiece; 14. a gear; 15. a fixing member; 16. a limit rod; 17. a spring; 18. a diversion trench; 19. a scraping rod.

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.

Referring to fig. 1-3 of the specification, as shown in fig. 1, a grinder in the embodiment of the utility model comprises a grinder main body 1, wherein a grinding disc 2 is arranged in the grinder main body 1, a rotating shaft 3 is connected to the top of the grinder main body 1 in a sliding manner, a connecting plate 4 is fixedly arranged at the top end of the rotating shaft 3, a positioning cylinder 5 is fixedly arranged at the bottom of the connecting plate 4, a fixing plate 6 is connected to the inner wall of the positioning cylinder 5 in a sliding manner, a first screw rod 7 is connected to the top of the fixing plate 6 in a rotating manner, the first screw rod 7 is in threaded connection with the connecting plate 4, a rotating handle 8 is fixedly arranged at the top end of the first screw rod 7, a supporting plate 9 is connected to the inner side of the positioning cylinder 5 in a sliding manner, a limiting wheel 10 is connected to the bottom of the supporting plate 9 in a rotating manner, a nut 11 is connected to the inner side of the supporting plate 9 in a rotating manner under the condition of not obstructing workpiece grinding, and the supporting plate 9 is pushed to slide by the arrangement of the nut 11.

It should be noted that, wherein, when needs are fixed to work piece 13, through placing work piece 13 at the top of grinding disc 2, pulling mounting 15 and gear 14 separation, thereby make gear 14 lose spacingly, rotate pivot 3 and make positioning cylinder 5 remove to the top of work piece 13, and press the inside that connecting plate 4 made pivot 3 descend the slip to grind machine body 1, thereby make positioning cylinder 5 descend and cover work piece 13 in the inside of positioning cylinder 5, thereby fix a position work piece 13, can shrink at the gag lever post 16 when pulling mounting 15, loosen mounting 15 and make gag lever post 16 stretch and promote mounting 15 reset at this moment, because pivot 3 can carry out synchronous rotation at gear 14 when rotating, at this moment mounting 15 reset joint is in the outside of gear 14, thereby carry out spacingly to gear 14, and then make positioning cylinder 5 fix work piece 13 this position, make first screw rod 7 rotate through rotating handle 8, thereby make fixed plate 6 descend, contact with work piece 13 when descending, thereby make work piece 13 and grinding disc 2 laminate closely, when pulling mounting 15, thereby the pressure need be exerted to lift nut 10 when lifting the pressure to lift up the mounting 5, thereby the stability is small, and when need to fix a position nut 10 is added to work piece 5, thereby the stability is improved, and more stable is required to be fixed to work piece 5, and is fixed in the inside the position is moved through the inside the roller 10.

Further, as shown in fig. 3, the second screw 12 is fixedly installed on the outer side of the positioning cylinder 5, the nut 11 and the second screw 12 are in threaded connection, the workpiece 13 is arranged at the top of the grinding disc 2, as shown in fig. 2, the gear 14 is slidingly connected with the outer side of the rotating shaft 3, the gear 14 is rotationally connected with the top of the grinding disc body 1, the fixing piece 15 is slidingly connected with the top of the grinding disc body 1, the gear 14 is limited and fixed through the arrangement of the fixing piece 15, the limit rod 16 is fixedly installed at the top of the grinding disc body 1, the fixing piece 15 is slidingly connected with the outer side of the limit rod 16, a spring 17 is arranged on one side of the fixing piece 15, the spring 17 is fixedly installed at the top of the grinding disc body 1, as shown in fig. 3, a guide groove 18 is hinged at the top of the grinding disc 1, a scraper 19 is fixedly installed on one side of the guide groove 18, and the scraper 19 is in fit with the grinding disc 2.

It should be noted that, when the grinding disc 2 rotates to grind the workpiece 13, when the particles ground by the workpiece 13 contact with the workpiece 13 again, damage is caused to the workpiece 13, so that scratches appear on the workpiece 13, at this time, the scraping rod 19 is attached to the grinding disc 2 by overturning the guide groove 18, when the grinding disc 2 rotates, grinding fluid contacts with the scraps and the scraping rod 19, the scraps and part of the grinding fluid enter the guide groove 18 through the inclined plane of the scraping rod 19 under the action of the scraping rod 19, and as the inclined groove with a certain gradient is formed in the guide groove 18, the scraps and the grinding fluid entering the guide groove 18 flow to the tail part of the guide groove 18 along the inclined groove, and flow out of the top of the grinding disc 2, so that damage to the workpiece 13 is avoided.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. A grinding mill comprising a mill body (1), characterized in that: grind the inside abrasive disc (2) that is equipped with of machine main part (1), the top sliding connection who grinds machine main part (1) has pivot (3), the top fixed mounting of pivot (3) has connecting plate (4), the bottom fixed mounting of connecting plate (4) has positioning tube (5), the inner wall sliding connection of positioning tube (5) has fixed plate (6), the top rotation of fixed plate (6) is connected with first screw rod (7), first screw rod (7) rotate the inside of connecting at positioning tube (5), first screw rod (7) are threaded connection form setting with connecting plate (4), the top fixed mounting of first screw rod (7) has rotating handle (8), the inside sliding connection of positioning tube (5) has backup pad (9).

2. A grinding mill according to claim 1, characterized in that: the bottom of backup pad (9) rotates and is connected with spacing wheel (10), the inside rotation of backup pad (9) is connected with nut (11).

3. A grinding mill according to claim 2, characterized in that: the second screw (12) is fixedly arranged on the outer side of the positioning cylinder (5), and the screw cap (11) and the second screw (12) are in threaded connection.

4. A grinding mill according to claim 3, characterized in that: the top of grinding disc (2) is equipped with work piece (13), the outside sliding connection of pivot (3) has gear (14), gear (14) rotate the top of connecting at grinding machine main part (1).

5. A grinding mill according to claim 4, characterized in that: the top of the grinder main body (1) is connected with a fixing piece (15) in a sliding mode, and a limiting rod (16) is fixedly arranged at the top of the grinder main body (1).

6. A grinding mill according to claim 5, characterized in that: the fixing piece (15) is slidably connected to the outer side of the limiting rod (16), a spring (17) is arranged on one side of the fixing piece (15), and the spring (17) is fixedly installed at the top of the grinding machine main body (1).

7. A grinding mill according to claim 6, characterized in that: the top of the grinder main body (1) is hinged with a diversion trench (18), one side of the diversion trench (18) is fixedly provided with a scraping rod (19), and the scraping rod (19) and the grinding disc (2) are arranged in a fitting mode.