TWI689379B - Grinding machine structure - Google Patents

Abstract

The invention relates to a grinding machine structure, which includes: a first main system provided with an accommodating space, a first surface and a plurality of first fitting parts; a second main system provided with a first accommodating groove; a first The three main systems are fixed in the first container, and the third main system is provided with a plurality of second nesting parts to fit with the first nesting parts, so that the second body and the third main system group It is arranged on the first body and can be separated from the first body; a fourth body group is assembled with the first body, and the fourth body group includes a fixing base, a fourth body and a Fitting piece; the fixing seat is set at the bottom of the first body, the fixing seat is provided with a first through slot; the fourth main system is provided with a plurality of first pipes and a plurality of second through slots; the sticker The joint piece is provided with a plurality of third through grooves.

Description

Grinding machine structure

The present invention is related to a grinder structure, especially a grinder structure. The grinder structure generates dust when grinding objects, the dust is sucked into the first body, and the dust is less likely Scattered everywhere. The third main system is fixedly integrated into the second main body, so that the second main body and the third main system are set on the first main body and can be separated from the first main body.

According to my previous knowledge, the conventional grinding machine structure is also a patent case that I applied for, such as the Taiwan patent case application number: 095209868, certificate number: M306911, patent name: grinding body structure, its structure lies in: a grinding The body structure is formed of a long rectangular block with a flat bottom 21 formed from a foam material. The flat bottom 21 is combined with a hook and loop layer 3, and a thin layer-shaped bonding surface 4 is combined with the outer surface 22 on the other end surface.

But the lack of the structure of this conventional grinding machine lies in:

1. The structure of the grinder is not equipped with a dust exhaust hole, that is, it does not have the effect of adsorbing dust. The structure of the grinder must produce dust when grinding objects. If the dust is scattered or accumulated too much, it will cause The inconvenience of the operation, the scattered dust will also have a certain impact on the operator's health.

2. The hand template 5 and the adhesive layer 51 are away from each other and are provided with a grip, but the grip and the grip The hand template 5 is integrally formed, that is, the hand template 5 has only one type of grip, and the expandability is insufficient.

3. The adhesive layer 51 can only be used for one-size adhesive of the abrasive body 2 and the expandability is insufficient.

In view of the lack of the above-mentioned conventional structure, the inventor, after years of experience in manufacturing, production and design in related industries, finally came up with a product that can solve the drawbacks of conventional grinding machine structure.

The structure of the conventional grinder is not provided with a dust exhaust hole, that is, it does not have the dust exhaust effect of adsorbing dust. In the grinder structure of the present invention, dust is generated when the grinder structure grinds an object, and the dust enters the first body and is less likely to be scattered around.

The invention relates to a grinding machine structure, which includes: a first main system provided with an accommodating space, a first surface and a plurality of first fitting parts; a second main system provided with a first accommodating groove; a first The three main systems are fixed in the first container, and the third main system is provided with a plurality of second nesting parts to fit with the first nesting parts, so that the second body and the third main system group It is arranged on the first body and can be separated from the first body; a fourth body group is assembled with the first body, and the fourth body group includes a fixing base, a fourth body and a Fitting piece; the fixing seat is set at the bottom of the first body, the fixing seat is provided with a first through slot; the fourth main system is provided with a plurality of first pipes and a plurality of second through slots; the sticker The joint piece is provided with a plurality of third through grooves.

When the fitting member of the grinder structure is equipped with an abrasive body and the object is polished, dust is generated, and the dust is sucked into the first pipe through the third through slot and the second through slot of the fitting member Then, the first pipe, the first slot and the accommodating space enter the dust suction structure in sequence, and the dust system is less likely to be scattered around. The third main system is fixedly coupled to the first receiving slot, and the second nesting portion can be fitted or disengaged from the first nesting portion, so that the second body and the third base The system is set on the first body and can be separated from the first body.

In order to make the members of the Jun Bureau and those skilled in the art fully understand the effect of the present invention, the structure and composition of the present invention are described below in conjunction with the drawings and figure numbers, but the following are only used to explain the implementation of the present invention For example, it is not an attempt to restrict the present invention in any form, but any modification or modification made within the spirit of the present invention should still fall within the protection scope of the present invention.

10‧‧‧ first body

11‧‧‧accommodation space

12‧‧‧The first side

13‧‧‧The first set

14‧‧‧ First Division

15‧‧‧ First Destiny

16‧‧‧First Joint Department

20‧‧‧Second body

21‧‧‧ Grip

22‧‧‧The first container

30‧‧‧The third body

31‧‧‧The second set

40‧‧‧ fourth body group

41‧‧‧Fixed seat

411‧‧‧First slot

412‧‧‧The second joint

42‧‧‧The fourth body

421‧‧‧Second container

422‧‧‧The first pipeline

423‧‧‧Second slot

424‧‧‧Second pipeline

425‧‧‧The third joint

43‧‧‧Fit pieces

431‧‧‧The third slot

432‧‧‧The fourth joint

44‧‧‧Combination

50‧‧‧Connecting pipe

51‧‧‧The fourth slot

52‧‧‧The second destiny

53‧‧‧The first slot

60‧‧‧Ring

61‧‧‧Second slot

The first figure is an exploded perspective view of the structure of the grinding machine of the present invention.

The second figure is a three-dimensional assembly diagram of the structure of the grinding machine of the present invention.

The third figure is a top view of the structure of the grinding machine of the present invention.

The fourth figure is a cross-sectional view at A-A of the third figure of the present invention.

The fifth figure is a perspective view of another operating state of the structure of the grinding machine of the present invention.

The sixth figure is a perspective view of a second embodiment of the present invention.

The seventh figure is a perspective view of the structure of the various grinding machines of the present invention.

First, please refer to the first figure. The first figure is an exploded perspective view of the structure of the grinding machine of the present invention. The invention relates to a structure of a grinding machine, which includes: a first body 10 in which the first body 10 is provided. There is an accommodating space 11, a first surface 12 is provided at the top of the first body 10, the first surface 12 is planar, and a plurality of first fitting portions 13 are convexly formed on the first surface 12 The plurality of first fitting portions 13 are arranged at intervals, and each first fitting portion 13 is in the shape of a rectangular bump. The length direction of the first fitting portion 13 in the shape of a rectangular bump is different. The first body 10 is provided with a first set portion 14 on the one side, the first set portion 14 is in communication with the accommodating space 11, the first set portion 14 is in the shape of a circular hole, and the accommodating space 11 A first abutting edge 15 is provided between the first set portion 14, the first body 10 is provided with a plurality of first coupling portions 16, and the plurality of first coupling portions 16 are wound around the accommodating space at intervals At the inner edge of 11, the plurality of first coupling portions 16 are disposed in the accommodating space 11, the first coupling portions 16 are internally threaded; a second body 20, the second body 20 is assembled in On the first body 10, the end of the second body 20 abuts against the first surface 12. One end of the second body 20 is protrudingly provided with a grip 21, the grip 21 is for the user For holding, the holding portion 21 can be in the shape of a round body or a bump of various shapes. The other end of the second body 20 is provided with a first accommodating groove 22 which is connected to the first The surface 12 is relatively positive. The first accommodating groove 22 is a non-circular groove. The first accommodating groove 22 is a concave rectangular groove. A third body 30 is fixed to the second body. In the first receiving groove 22 of the body 20, the shape of the third body 30 is matched with the first receiving groove 22, and the third body 30 is in the shape of a rectangular block. The third body 30 and the contact surface of the first container 22 can be bonded with an adhesive. The third body 30 is provided with a plurality of second fitting portions 31. The second fitting portion 31 is fitted with the first fitting portion 13 of the first body 10 so that the second body 20 and the third body 30 are assembled on the first body 10 and can be The first body 10 is separated from each other, the number and shape of the second fitting portion 31 are matched with the first fitting portion 13, and the second fitting portion 31 is in the shape of a rectangular slot passing through; Four body groups 40, the fourth body group 40 is assembled with the first body 10, the fourth body group 40 includes a fixing base 41, a fourth body 42, a fitting member 43 and a plurality of combination members 44; The fixing seat 41 is set at the bottom of the first body 10, the fixing seat 41 is provided with a first through groove 411, the first through groove 411 is in communication with the accommodating space 11, the The first through groove 411 is a rectangular groove passing through. The fixing seat 41 is provided with a plurality of second coupling portions 412, each second coupling portion 412 is opposite to each first coupling portion 16, and the plurality of The two coupling portions 412 are wound around the first through-slot 411, the second coupling portion 412 is circularly perforated, the fixing seat 41 is rectangular, and the material of the fixing seat 41 is preferably a harder material Assembled with the first body 10; the fourth body 42 is combined with the fixing base 41; the fourth body 42 and the fixing base 41 are bonded with an adhesive; the top of the fourth body 42 A second accommodating groove 421 is provided. The second accommodating groove 421 is compatible with the fixing seat 41. The shape of the second accommodating groove 421 is matched with the fixing seat 41. The fourth body 42 is provided with A plurality of first pipes 422, the plurality of first pipes 422 do not penetrate the fourth body 42, the first pipes 422 are in communication with the first through groove 411, the plurality of first pipes 422 are connected to the second volume The groove 421 is in communication, and the plurality of first pipes 422 are in phase Symmetrically arranged, the plurality of first pipes 422 are arranged vertically and horizontally, the fourth body 42 is provided with a plurality of second through grooves 423, the second through grooves 423 are in the form of through grooves, part of the second through The groove 423 is in communication with the first through groove 411, each second through groove 423 is in communication with the first pipe 422, and part of the second through groove 423 is in communication with the first through the first pipe 422 A through slot 411 communicates with each other, a plurality of second pipes 424 are provided on both sides of the fourth body 42, each second pipe 424 is in communication with the first pipe 422, and the plurality of second pipes 424 are symmetric The second pipe 424 is horizontally inclined, and the fourth body 42 is provided with a plurality of third joint parts 425, each third joint part 425 is opposite to each second joint part 412, each A third coupling portion 425 penetrates the fourth body 42 in a straight direction, four third coupling portions 425 are in communication with the second receiving groove 421, and two third coupling portions 425 are in communication with the first pipe 422 In the same shape, the number of the third coupling portion 425 matches the number of the second coupling portion 412, the fourth body 42 is a softer material than the fixing base 41 and has the effect of shock absorption; the fitting 43 is Combined with the fourth body 42, the bonding member 42 is a double-sided adhesive structure, the bonding member 43 and the fourth body 42 are combined with a double-sided adhesive structure, and the fourth body 42 is Between the fixing base 41 and the fitting 43, the fitting 43 is provided with a plurality of third through grooves 431, the third through groove 431 is opposite to the second through groove 423, the third through The groove 431 is circularly perforated. The bonding member 43 is provided with a plurality of fourth bonding portions 432. Each fourth bonding portion 432 is opposite to each third bonding portion 425. The other side of the bonding member 43 It is combined with an abrasive body to grind; each coupling member 44 is passed through each second coupling portion 412 and combined with each first coupling portion 16 of the first body 10 to make the fourth body The group 40 is combined with the first body 10, the coupling member 44 is externally threaded, and the head of the coupling member 44 is hidden from the third coupling portion 425 Inside; a connecting pipe 50, the connecting pipe 50 is sleeved and pivotally arranged at the first set portion 14 of the first body 10, the connecting pipe 50 is provided with a fourth through groove 51, the fourth through groove 51 It is in communication with the accommodating space 11, the fourth through groove 51 penetrates the connecting tube 50, the fourth through groove 51 is in the shape of a circular groove, and one end of the connecting tube 50 is provided with a second resisting edge 52, The second abutting edge 52 abuts against the first abutting edge 15, so that the connecting pipe 50 is restricted by the first abutting edge 15 and the second abutting edge 52 without being separated from the first body 10 The connecting pipe 50 is provided with at least one first groove 53. Each first groove 53 is in communication with the fourth through groove 51. The first groove 53 is located near the second resisting edge 52 The number of the first grooves 53 is three, the plurality of first grooves 53 are arranged at intervals, the first grooves 53 are in the form of long hole grooves; the connecting pipe 50 is assembled with a dust suction structure, namely The connecting pipe 50 is disposed between the first body 10 and the dust suction structure. When the lamination body 43 of the grinder structure is assembled with the abrasive body, dust will be generated when grinding the object. The dust is generated by the first The third through slot 431, the second through slot 423 and the second duct 424 of the four body groups 40 are sucked into the first duct 422, and then the first duct 422, the first through slot 411, The accommodating space 11 and the fourth through slot 51 are sucked into the dust suction structure; a set of rings 60 is pivotally provided on the connecting pipe 50, and the set of rings 60 can be attached to the connecting pipe 50 Rotate upward, the collar 60 is provided with at least one second groove 61, each second groove 61 can be opposite to each first groove 53, rotate the collar 60 to adjust the second groove 61 and the first groove A relatively positive number of slots 53 to adjust the amount of air outside the structure of the grinder from the first slot 53 into the fourth through slot 51, the number of the second slots 61 is three, each second slot The 61 series is slot-shaped.

Please continue to refer to the second to fourth figures. The second figure is a three-dimensional assembled view of the structure of the grinding machine of the present invention, the third figure is a top view of the structure of the grinding machine of the present invention, and the fourth figure is the third picture AA of the present invention The cross-sectional view at the place can be clearly shown by the illustration, the second body 20 is assembled on the first body 10, the third body 30 is fixed on the first receiving slot 22, and the second sleeve The portion 31 is fitted with the first fitting portion 13 so that the second body 20 and the third body 30 are arranged and separable from the first body 10, and the fourth body group 40 is Combined at the bottom of the first body 10, the connecting pipe 50 is pivotally arranged at the first set portion 14, and the collar 60 is pivotally arranged at the connecting pipe 50.

Please refer to the fifth figure, the fifth figure is a perspective view of another operating state of the structure of the grinding machine of the present invention, the second sleeve portion 31 can be engaged with or disengaged from the first sleeve portion 13, and The second body 20 is assembled on the first surface 12 of the first body 10 or separated from the first body 10.

Please refer to the sixth figure, the sixth figure is a perspective view of the second embodiment, please supplement the comparison between the second figure and the fifth figure, the fourth body group 40 is a plurality, each fourth body group 40 Both can be set with the first body 10, the specifications of each fourth body group 40 are different, the fourth body group 40 is smaller than the first embodiment of the second and fifth figures That is, the first body 10 can be combined with each fourth body group 40, and the fourth body 42 is not provided with the plurality of second pipes 424.

Please refer to the seventh figure. The seventh figure is a perspective view of the structure of the grinding machine of various specifications of the present invention. As can be clearly seen from the illustration, the first body 10 can be in phase with the fourth body group 40 of different specifications. In combination, the second body 20 may be plural, each second body 20 is different in shape but has the same first receiving groove 22, and each grip portion 21 may be a bump of various shapes In this case, both sides of the fourth body 42 may be provided with the plurality of second pipes 424 or not provided with the plurality of second pipes 424.

The advantages of the grinding machine structure of the present invention are:

1. Dust will be generated when the grinder structure is used to grind objects. The connecting pipe 50 is assembled with a dust suction structure, that is, the connecting pipe 50 is located between the first body 10 and the dust suction structure. The dust The third through slot 431 and the second through slot 423 of the fourth body group 40 or the second duct 424 are sucked into the first duct 422, and then the first duct 422, the first The through slot 411, the accommodating space 11 and the fourth through slot 51 enter the dust suction structure, and the dust is less likely to be scattered around.

2. Please refer to the fifth figure, the third body 30 is fixedly coupled to the first receiving slot 22, and the second sleeve portion 31 can be sleeved with the first sleeve portion 13 or The second body 20 and the third body 30 are assembled on the first body 10 and can be separated from the first body 10, that is, the second bodies 20 of different shapes are all If the same first receiving groove 22 is provided and combined with the third body 30, the second body 20 and the first body 10 of various shapes can be replaced according to their needs.

3. The second body 20 can be a soft material to facilitate hand-holding, and the third body 30 can be a harder material, so that the second sleeve portion 31 and the first sleeve portion 13 fit together It takes a little force to disengage, and the different materials of the second body 20 and the third body 30 can meet different needs.

4. The fourth body group 40 is a plurality, each fourth body group 40 is combined with the first coupling body 44 by the plurality of coupling members 44, and the fourth coupling group 44 can be unscrewed to make the fourth The body group 40 is separated from the first body 10, and the first body 10 can be separated from the fourth body group of various sizes 40 combined.

5. The first body 10 and the third body 30 are fixed structures, so that they can be combined with the second body 20 having a plurality of different shapes and the fourth body group 40 having a plurality of different specifications to have product diversity .

6. The fourth body group 40 is the fixing base 41, the fourth body 42 and the fitting 43, and the material of the fixing base 41 is set with the first body 10 and the second body 42 The material is preferably a material that absorbs shock during grinding. The fixing base 41 and the fourth body 42 select the best material for different purposes.

7. The fourth body 42 is provided with the plurality of first pipes 422 and the plurality of second through grooves 423, the plurality of first pipes 422 do not penetrate the fourth body 42, and the second through groove 423 is a through groove Shape, so that the dust can pass through the plurality of first pipes 422 and the plurality of second through slots 423, and the fourth body 42 has better structural strength, so that the fourth body 42 is balanced under the passage of dust and structural strength structure.

Therefore, the structure of the grinding machine of the present invention has industrial applicability, novelty, and progress, and can truly meet the requirements of the invention patent application, and the application is submitted according to law.

10‧‧‧ first body

11‧‧‧accommodation space

12‧‧‧The first side

13‧‧‧The first set

14‧‧‧ First Division

15‧‧‧ First Destiny

16‧‧‧First Joint Department

20‧‧‧Second body

21‧‧‧ Grip

22‧‧‧The first container

30‧‧‧The third body

31‧‧‧The second set

40‧‧‧ fourth body group

41‧‧‧Fixed seat

411‧‧‧First slot

412‧‧‧The second joint

42‧‧‧The fourth body

421‧‧‧Second container

422‧‧‧The first pipeline

423‧‧‧Second slot

424‧‧‧Second pipeline

425‧‧‧The third joint

43‧‧‧Fit pieces

431‧‧‧The third slot

432‧‧‧The fourth joint

44‧‧‧Combination

50‧‧‧Connecting pipe

51‧‧‧The fourth slot

52‧‧‧The second destiny

53‧‧‧The first slot

60‧‧‧Ring

61‧‧‧Second slot

Claims (14)

A grinding machine structure includes: a first body, the first body is provided with an accommodating space, a first surface is provided at the top of the first body, and a plurality of A set part, a side of the first body is provided with a first set of parts, the first set of parts is in communication with the accommodating space; a second body, the second system is set on the On the first body, the end of the second body abuts against the first surface, the second system has a first receiving groove, the first receiving groove is opposite to the first surface; a third The main body, the third main system is fixed in the first container, the third main system is provided with a plurality of second fitting parts, the second fitting part is fitted with the first fitting part, so that The second body and the third system group are set on the first body and can be separated from the first body; a fourth body group, the fourth body group is set in phase with the first body, The fourth body group includes a fixing base, a fourth body and a fitting member; the fixing base is disposed at the bottom of the first body, the fixing base is provided with a first through slot, the first The penetrating groove is in communication with the accommodating space; the fourth main system is combined with the fixing seat, and a second accommodating groove is provided on the top of the fourth body, and the second accommodating groove is provided for the fixing seat , The fourth main system is provided with a plurality of first pipelines, the plurality of first pipelines does not penetrate the fourth body, the first pipeline is in communication with the first through groove, the plurality of first pipelines and the first The two holding slots are in communication, the fourth system is provided with a plurality of second through slots, the second through slots are in the form of through slots, and part of the second through slots are in communication with the first through slots, each The second slot is in communication with the first pipe, and part of the second slot is in communication with the first slot because of the first pipe; The fitting piece is combined with the fourth body. The fourth system is disposed between the fixing base and the fitting piece. The fitting piece is provided with a plurality of third through grooves. The second through-groove is relatively positive, and the other surface of the bonding member is combined with an abrasive body for grinding; the first set portion is connected to a dust suction structure, and the bonding member is assembled with the abrasive body and then ground Dust is generated when the object is in use. The dust is sucked into the first duct from the third slot and the second slot, and then is sequentially received by the first duct, the first slot and the accommodating space Inhale the dust suction structure. The polishing machine structure according to claim 1, wherein the first surface is planar, the plurality of first fitting portions are arranged at intervals, and each of the first fitting portions is shaped like a rectangular bump and is rectangular The length direction of the first sleeve-shaped portion of the bump is different, the number and shape of the second sleeve-shaped portion are matched with the first sleeve-shaped portion, and the second sleeve-shaped portion is a rectangular slot that penetrates shape. The polishing machine structure according to claim 1, wherein the first set portion is in the form of a round hole groove, and a first abutment is provided between the accommodating space and the first set portion; a connection is provided The connecting pipe is sleeved and pivoted at the first set portion, the connecting pipe is provided with a fourth through slot, the fourth through slot is in communication with the accommodating space, the fourth through slot The fourth through groove is in the shape of a circular groove, and a second abutting edge is provided at one end of the connecting pipe. The second abutting edge abuts against the first abutting edge to make the connecting pipe system Limited by the first abutting edge and the second abutting edge without being separated from the first body, the connecting pipe is provided with at least one first groove, each of the first groove and the fourth through groove In the same shape, the first groove is provided near the second abutment, the number of the first grooves is three, the plurality of first grooves are arranged at intervals, and the first grooves are in the form of long hole grooves; The connection pipe is assembled with the dust suction structure, that is, the connection pipe is provided between the first body and the dust suction structure, when the bonding member of the grinder structure is assembled with the grinding body and then the object is ground Will produce dust, the dust is caused by The third slot and the second slot are drawn into the first duct, and then the first duct, the first slot, the accommodating space and the fourth slot are sucked into the dust suction structure in sequence Office. The grinding machine structure according to claim 3, wherein a set of rings is provided, the set of rings is pivotally provided on the connecting tube, the set of rings can rotate on the connecting tube, and the set of rings is provided with at least one The second groove, each second groove can be opposite to each first groove, rotate the collar to adjust the number of the second groove and the first groove, to adjust the air outside the grinder structure by the The amount of air entering the fourth slot through the first slot, the number of the second slot is three, and each second slot is in the form of a slot with a long hole. The polishing machine structure according to claim 1, wherein the first main system is provided with a plurality of first joint parts, the plurality of first joint parts are wound around the inner edge of the accommodating space at intervals, and the plurality of first The coupling part is arranged in the accommodating space, the first coupling part is in the form of an internal thread; the fixing seat is provided with a plurality of second coupling parts, each second coupling part is opposite to each first coupling part , The plurality of second coupling parts are wound around the first through groove, and the second coupling part is circular perforated; the fourth system has a plurality of third coupling parts, each third coupling part is connected with each The second coupling portion is relatively positive, each third coupling portion penetrates the fourth body straightly, four of the third coupling portions are in communication with the second receiving slot, and the other three coupling portions are connected with the first The pipes are connected, and the number of the third joints matches the number of the second joints; the fitting is provided with a plurality of fourth joints, each fourth joint is opposite to each third joint Positive; the fourth body group is provided with a plurality of coupling members, each coupling member is passed through each second coupling part and combined with each first coupling part, so that the fourth body group and the first When the body is combined, the coupling member is in the form of an external thread, and the head of the coupling member is hidden in the third coupling portion. The grinding machine structure according to claim 1, wherein one end of the second body is convexly provided with a A gripping part is provided for the user to grip, and the gripping part may be a round body or a bump of various shapes. The grinding machine structure according to claim 1, wherein the first receiving groove is a non-circular groove or a concave rectangular groove; the shape of the third body is matched with the first receiving groove, the third The system is in a non-circular or rectangular block shape, and the third body and the contact surface of the first container can be bonded with an adhesive. The polishing machine structure according to claim 1, wherein the first through-groove is in the form of a rectangular groove passing through, the fixing seat is in the shape of a rectangular body, and an adhesive is used between the fourth body and the fixing seat When they are bonded together, the shape of the second accommodating groove is matched with the fixing seat, and the third through-groove is round and perforated. The polishing machine structure according to claim 1, wherein the material of the fixing base is preferably a harder material to be assembled with the first body, and the fourth body is a softer material than the fixing base And has the effect of shock absorption. The grinding machine structure according to claim 1, wherein the plurality of first pipes are arranged symmetrically, and the plurality of first pipes are arranged vertically and horizontally. The grinding machine structure according to claim 1, wherein a plurality of second pipes are provided on both sides of the fourth body, each second pipe is in communication with the first pipe, and the plurality of second pipes are Relatively symmetrically arranged, the second pipe is in the shape of a transverse chute. The grinding machine structure according to claim 1, wherein the bonding member is a double-sided adhesive structure, and a double-sided adhesive structure is combined between the bonding member and the fourth body. The polishing machine structure according to claim 1, wherein the fourth body group is plural, each fourth body group can be set with the first body, and the size of each fourth body group is different. The grinding machine structure according to claim 1, wherein the second system can be plural, and each second body has the same first tank.

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