CN113070811B - Auxiliary baffle plate for grinding - Google Patents

Auxiliary baffle plate for grinding Download PDF

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Publication number
CN113070811B
CN113070811B CN202110240269.7A CN202110240269A CN113070811B CN 113070811 B CN113070811 B CN 113070811B CN 202110240269 A CN202110240269 A CN 202110240269A CN 113070811 B CN113070811 B CN 113070811B
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fixedly connected
hole
rotating
rod
movable
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CN113070811A (en
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付丽丽
孙辉辉
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Irico Hefei LCD Glass Co Ltd
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Irico Hefei LCD Glass Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/34Accessories

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses an auxiliary baffle plate for grinding, which comprises an installation base, wherein guide slide rail mechanisms are symmetrically arranged at the left end and the right end of the installation base, movable shielding assemblies are symmetrically arranged and installed outside the guide slide rail mechanisms, rotary shielding assemblies are symmetrically arranged and installed at the two sides of the movable shielding assemblies, liquid crystal glass is fixedly installed at the top ends of the left end and the right end of the installation base, each guide slide rail mechanism comprises an L-shaped support plate and a transverse guide rod, the L-shaped support plate is fixedly connected with the left end and the right end of the installation base, and a horizontal transverse sliding groove is formed in a vertical plate of the L-shaped support plate. According to the invention, the movable shielding component and the rotary shielding component are arranged, so that the cooling grinding fluid and the scraps are shielded through movable adjustment and rotary adjustment in the working process of the machine, the environmental pollution caused by splashing of the cooling fluid is prevented, and the problems that the rusting is accelerated and the service life of the machine is shortened due to the splashing of the cooling fluid are solved.

Description

Auxiliary baffle plate for grinding
Technical Field
The invention belongs to the field of grinding equipment, and particularly relates to an auxiliary baffle for grinding.
Background
In the production process of the TFT-LCD (liquid crystal display) glass substrate, the glass substrate can be subjected to a grinding process, and huge heat can be generated in the grinding process, so that grinding cooling water is sprayed in the grinding process, and the occurrence of burn and fragment is prevented. The grinding coolant and the debris may splash during operation, may cause environmental pollution, and may cause the machine to rust at an increased rate, shortening the service life of the machine. Therefore, we improve this and propose an auxiliary baffle for grinding.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide an auxiliary baffle for grinding, which is provided with a movable shielding component and a rotary shielding component, so that cooling grinding fluid and scraps are shielded by movable adjustment and rotary adjustment in the working process of a machine, environmental pollution caused by splashing everywhere is prevented, and the problems of accelerating rusting and shortening the service life of the machine caused by splashing of the cooling fluid are solved.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
an auxiliary baffle for grinding comprises an installation base, wherein guide slide rail mechanisms are symmetrically arranged at the left end and the right end of the installation base, movable shielding components are symmetrically arranged outside the guide slide rail mechanisms, and rotary shielding components are symmetrically arranged at the two sides of the movable shielding components;
the liquid crystal glass is fixedly mounted at the top ends of the left end and the right end of the mounting base, the guide slide rail mechanism comprises an L-shaped support plate and a transverse guide rod which are fixedly connected to the left end and the right end of the mounting base, a horizontal transverse sliding groove is formed in a vertical plate of the L-shaped support plate, fixing through holes penetrating through the transverse sliding groove are formed in the left end and the right end of the L-shaped support plate, two ends of the transverse guide rod are inserted into the fixing through holes and are fixedly connected with the L-shaped support plate, and the bottom end of the L-shaped support plate is fixedly connected with a limiting lug in a linear array;
the movable shielding component comprises a movable baffle plate, a rolling disc positioned on the inner side of an L-shaped supporting plate, a movable block, a vertical guide rod, a rotating block, a first spring, a fixed cylinder and an L-shaped rod, wherein the outer surface of the movable baffle plate is provided with vertical sliding grooves which are arranged in bilateral symmetry, the bottom end of each vertical sliding groove is provided with a through bottom sliding hole, the outer surface of the movable baffle plate is positioned above the vertical sliding groove and is provided with a horizontally arranged rotating groove, the bottom end of the rotating groove is provided with a positioning rotating hole, the middle part of the top end of the movable baffle plate is provided with a top rotating hole through the rotating groove, the front side and the back side of the movable baffle plate are fixedly connected with fixed blocks which are in central symmetry, the top end of each fixed block is provided with a horizontally arranged T-shaped sliding groove, the center of the rolling disc is provided with a rolling hole which is rotationally connected with the movable block, the movable block sequentially penetrates through the vertical sliding grooves and is rotationally connected with the rolling disc, and the periphery of the movable block is provided with a transverse guide hole, a vertical guide hole is formed on the periphery of the moving block, a transverse guide rod penetrates through the transverse guide hole to be slidably connected with the moving block, one end of the moving block, far away from the rolling disc, is positioned outside the moving baffle and is fixedly connected with a positioning disc, a vertical guide rod penetrates through the vertical guide hole to be slidably connected with the moving block, a vertical guide rod penetrates through a bottom sliding hole to be slidably connected with the moving baffle, the top end of the vertical guide rod is fixedly connected with the top end of a vertical sliding chute, a fixed rod is arranged on the periphery of the vertical guide rod and is positioned below the moving baffle, a threaded hole in threaded connection with a rotating thread is formed in the center of the end surface of the rotating block, a first spring is movably sleeved on the periphery of the vertical guide rod, above the moving block, a through hole is formed in the end surface of the fixed cylinder, a connecting block is fixedly connected with the outer surface of the moving baffle, an L-shaped rod vertical rod penetrates through hole to be slidably connected with the fixed cylinder, and an L-shaped rod transverse rod is positioned between limiting lugs, the top end of the L-shaped rod is fixedly connected with a top disc, and a second spring is movably sleeved on the periphery of the L-shaped rod;
the rotary shielding component comprises a gear positioned in a rotary groove, a rack meshed with the gear, a rotary shaft, a rotary drum, a rotary rod and a rotary baffle plate, wherein the center of the end surface of the gear is provided with a connecting hole, the rotary shaft is fixedly connected with the gear through the connecting hole, the rotary shaft is positioned at the bottom end of the movable baffle plate and is inserted into a positioning rotary hole to be rotatably connected with the movable baffle plate, the rotary shaft is positioned at the top end of the gear and is rotatably connected with the movable baffle plate through a top rotary hole, the rotary shaft is positioned at the top end of the movable baffle plate and is fixedly connected with a grab handle, the bottom end of the rack is fixedly connected with a T-shaped track in sliding fit with a T-shaped chute, the top end of the rotary drum is provided with a steering hole, the periphery of the rotary drum is fixedly connected with a fixed connecting rod, one end of the fixed connecting rod, far away from the rotary drum, is fixedly connected with a hole ear seat, the rotary rod penetrates through the steering hole to be rotatably connected with the rotary drum, the bottom end of the rotary rod, one end of the fixed rod, far away from the rotary rod, is fixedly connected with the rotary baffle plate, the top end of the rotating rod is fixedly connected with a rotating disk, the periphery of the rotating disk is provided with a limiting groove, the middle part of the limiting clamping strip is fixedly connected with a rotating connecting rod, and the rotating connecting rod is rotatably connected with the lug seat with the hole.
Furthermore, the bottom end of the first spring is in contact connection with the peripheral side of the moving block, and the top end of the first spring is in contact connection with the top end of the vertical sliding groove.
Furthermore, the bottom end of the second spring is in contact connection with the top end of the fixed cylinder, and the top end of the second spring is in contact connection with the bottom end of the top plate.
The invention has the beneficial effects that: this kind of supplementary baffle is used in grinding shelters from the subassembly and the rotation through being provided with the removal and shelters from the subassembly, and removal regulation and rotation regulation through the removal shelter from cooling lapping liquid and incomplete bits in the machine course of operation, prevent to splash everywhere and cause environmental pollution and solve the coolant liquid and splash and lead to accelerating the problem of rustting and shortening machine life.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of a portion of the structure of the present invention;
FIG. 3 is an exploded view of a portion of the structure of the present invention;
FIG. 4 is an exploded view of a portion of the structure of the present invention;
FIG. 5 is an exploded view of a portion of the structure of the present invention;
fig. 6 is an exploded view of a partial structure of the present invention.
In the figure: 1. installing a base; 2. a guide slide rail mechanism; 21. an L-shaped support plate; 211. a transverse chute; 212. a fixing through hole; 22. a transverse guide rod; 23. a limiting bump; 3. moving the shielding component; 31. moving the baffle; 311. a vertical chute; 312. a bottom sliding hole; 313. a rotating tank; 3131. positioning the rotating hole; 314. a top rotation hole; 32. a fixed block; 321. a T-shaped chute; 33. a scroll wheel; 331. rolling the hole; 34. a moving block; 341. a transverse guide hole; 342. a vertical guide hole; 343. positioning a plate; 35. a vertical guide rod; 351. rotating the screw thread; 36. rotating the block; 361. a threaded hole; 37. a first spring; 38. a fixed cylinder; 381. through the hole; 382. connecting blocks; 39. an L-shaped rod; 391. a top tray; 392. a second spring; 4. rotating the shielding component; 41. a gear; 411. connecting holes; 42. a rack; 421. a T-shaped track; 43. a rotating shaft; 431. a handle; 44. a rotating drum; 441. a steering hole; 442. a fixed connecting rod; 443. the ear seat with holes; 45. rotating the rod; 451. fixing the rod; 452. a turntable; 4521. a limiting groove; 46. rotating the baffle; 47. limiting clamping strips; 471. the connecting rod is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1, the auxiliary baffle for grinding comprises an installation base 1, wherein guide sliding rail mechanisms 2 are symmetrically arranged at the left end and the right end of the installation base 1, movable shielding components 3 are symmetrically arranged at the outer sides of the guide sliding rail mechanisms 2, and rotary shielding components 4 are symmetrically arranged at the two sides of the movable shielding components 3.
As shown in fig. 2, liquid crystal glass is fixedly mounted at the top ends of the left and right ends of the mounting base 1, the guide rail mechanism 2 includes an L-shaped support plate 21 and a horizontal guide rod 22 which are fixedly connected to the left and right ends of the mounting base 1, a horizontal sliding groove 211 is formed in a vertical plate of the L-shaped support plate 21, fixing through holes 212 penetrating through the horizontal sliding groove 211 are formed in the left and right ends of the L-shaped support plate 21, the two ends of the horizontal guide rod 22 are inserted into the fixing through holes 212 and fixedly connected with the L-shaped support plate 21, and the bottom end of the L-shaped support plate 21 is fixedly connected with limiting convex blocks 23 in a linear array.
As shown in fig. 3 and 4, the movable shielding assembly 3 includes a movable baffle 31, a rolling disc 33 located inside the L-shaped supporting plate 21, a movable block 34, a vertical guiding rod 35, a rotating block 36, a first spring 37, a fixed cylinder 38, and an L-shaped rod 39, wherein the outer surface of the movable baffle 31 is provided with vertical sliding slots 311 symmetrically arranged left and right, the bottom end of the vertical sliding slot 311 is provided with a through bottom sliding hole 312, the outer surface of the movable baffle 31 is provided with a horizontally arranged rotating slot 313 above the vertical sliding slot 311, the bottom end of the rotating slot 313 is provided with a positioning rotating hole 3131, the middle part of the top end of the movable baffle 31 is provided with a top rotating hole 314 through the rotating slot 313, the front and back sides of the movable baffle 31 are fixedly connected with fixed blocks 32 symmetrically, the top end of the fixed block 32 is provided with a horizontally arranged T-shaped sliding slot 321, the center of the rolling disc 33 is provided with a rolling hole 331 rotatably connected with the movable block 34, the moving block 34 sequentially passes through the vertical sliding groove 311 and the transverse sliding groove 211 to be rotatably connected with the rolling disc 33, a transverse guide hole 341 is formed in the peripheral side of the moving block 34, a vertical guide hole 342 is formed in the peripheral side of the moving block 34, the transverse guide rod 22 passes through the transverse guide hole 341 to be slidably connected with the moving block 34, one end of the moving block 34, far away from the rolling disc 33, is positioned at the outer side of the moving baffle 31 and is fixedly connected with a positioning disc 343, the vertical guide rod 35 passes through the vertical guide hole 342 to be slidably connected with the moving block 34, the vertical guide rod 35 passes through the bottom sliding hole 312 to be slidably connected with the moving baffle 31, the top end of the vertical guide rod 35 is fixedly connected with the top end of the vertical sliding groove 311, a fixing rod 451 is formed in the peripheral side of the moving baffle 31, a threaded hole 361 in threaded connection with the rotating thread 351 is formed in the center of the end face of the rotating block 36, a first spring 37 is movably sleeved on the peripheral side of the moving block 34, a through hole 381 is formed in the end face of the fixing cylinder 38, fixed cylinder 38 week side fixedly connected with connecting block 382, connecting block 382 keeps away from fixed cylinder 38 one end and removes baffle 31 outer fixed surface and be connected, L type pole 39 montant passes through hole 381 and fixed cylinder 38 sliding connection, L type pole 39 horizontal pole is located between spacing lug 23, L type pole 39 top fixedly connected with top plate 391, L type pole 39 week side movable sleeve is equipped with second spring 392, first spring 37 bottom and 34 week side contact connection of movable block, first spring 37 top and the contact connection of vertical spout 311 top, second spring 392 bottom and fixed cylinder 38 top contact connection, second spring 392 top and top plate 391 bottom contact connection.
As shown in fig. 5 and 6, the rotary shielding assembly 4 includes a gear 41 located in a rotary groove 313, a rack 42 engaged with the gear 41, a rotary shaft 43, a rotary drum 44, a rotary rod 45, and a rotary baffle 46, wherein a connection hole 411 is formed in the center of the end surface of the gear 41, the rotary shaft 43 is fixedly connected to the gear 41 through the connection hole 411, the rotary shaft 43 is located at the bottom end of the movable baffle 31 and is inserted into a positioning rotary hole 3131 and rotatably connected to the movable baffle 31, the rotary shaft 43 is located at the top end of the gear 41 and is rotatably connected to the movable baffle 31 through a top rotary hole 314, a grip 431 is fixedly connected to the rotary shaft 43 at the top end of the movable baffle 31, a T-shaped rail 421 slidably engaged with the T-shaped sliding groove 321 is fixedly connected to the bottom end of the rack 42, a turning hole 441 is formed at the top end of the rotary drum 44, a fixed connection rod 442 is fixedly connected to the periphery of the rotary drum 44, a holed ear seat 443 is fixedly connected to the periphery of the rotary drum 44, dwang 45 passes and turns to hole 441 and is connected with the rotation of rotary drum 44, dwang 45 bottom fixedly connected with dead lever 451, and dwang 45 one end and rotating baffle 46 fixed connection are kept away from to dead lever 451, and dwang 45 top fixedly connected with carousel 452 has seted up spacing groove 4521 around the carousel 452, and spacing card strip 47 middle part fixedly connected with rotates connecting rod 471, rotates connecting rod 471 and foraminiferous ear seat 443 and rotates and be connected.
In the invention, the rotating block 36 is rotated, the rotating block 36 is in threaded connection with the rotating thread 351 to adjust the height of the movable baffle 31, the top plate 391 is pressed down, the cross rod of the L-shaped rod 39 leaves the limiting lug 23 to push the movable baffle 31 to a proper position, the movable baffle 31 drives the movable block 34 to move, the movable block 34 drives the rolling disc 33 to roll, the rolling disc 33 rolls, the rolling disc 33 and the L-shaped support plate 21 to perform rolling friction, the handle 431 is held and rotates, the rotating shaft 43 drives the gear 41 to rotate, the gear 41 drives the rack 42 to move outwards, the rack 42 drives the rotating drum 44 to move outwards, the rotating drum 44 drives the rotating baffle 46 to move outwards through the rotating rod 45, the limiting clamping strip 47 leaves the limiting groove 4521 when the bottom end of the limiting clamping strip 47 is pressed down, and the rotating rod 45 is rotated to a proper angle, so that the grinding fluid and scraps can be prevented from splashing by the rotating baffle 46 and the movable baffle 31 during grinding.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (3)

1. An auxiliary baffle plate for grinding is characterized by comprising an installation base (1), wherein guide slide rail mechanisms (2) are symmetrically arranged at the left end and the right end of the installation base (1), movable shielding components (3) are symmetrically arranged and installed at the outer sides of the guide slide rail mechanisms (2), and rotary shielding components (4) are symmetrically arranged and installed at the two sides of each movable shielding component (3);
liquid crystal glass is fixedly mounted at the top ends of the left end and the right end of the mounting base (1), the guide slide rail mechanism (2) comprises an L-shaped support plate (21) and a transverse guide rod (22) which are fixedly connected to the left end and the right end of the mounting base (1), a horizontal transverse sliding groove (211) is formed in the vertical plate of the L-shaped support plate (21), fixing through holes (212) penetrating through the transverse sliding groove (211) are formed in the left end and the right end of the L-shaped support plate (21), the two ends of the transverse guide rod (22) are inserted into the fixing through holes (212) and fixedly connected with the L-shaped support plate (21), and limiting lugs (23) in a linear array are fixedly connected to the bottom end of the L-shaped support plate (21);
the movable shielding component (3) comprises a movable baffle plate (31), a rolling disc (33) positioned on the inner side of an L-shaped supporting plate (21), a movable block (34), a vertical guide rod (35), a rotating block (36), a first spring (37), a fixed cylinder (38) and an L-shaped rod (39), wherein vertical sliding grooves (311) which are arranged in bilateral symmetry are formed in the outer surface of the movable baffle plate (31), a through bottom sliding hole (312) is formed in the bottom end of each vertical sliding groove (311), a horizontally arranged rotating groove (313) is formed in the outer surface of the movable baffle plate (31) above the vertical sliding grooves (311), a positioning rotating hole (3131) is formed in the bottom end of each rotating groove (313), a top rotating hole (314) which penetrates through the rotating groove (313) is formed in the middle of the top end of the movable baffle plate (31), fixed blocks (32) which are in central symmetry are fixedly connected to the front side and the rear side of the movable baffle plate (31), and a horizontally arranged T-shaped sliding groove (321) is formed in the top end of the fixed blocks (32), a rolling hole (331) which is rotatably connected with a moving block (34) is formed in the center of the rolling disc (33), the moving block (34) sequentially penetrates through a vertical sliding groove (311), a transverse sliding groove (211) is rotatably connected with the rolling disc (33), transverse guide holes (341) are formed in the peripheral side of the moving block (34), vertical guide holes (342) are formed in the peripheral side of the moving block (34), transverse guide rods (22) penetrate through the transverse guide holes (341) and are slidably connected with the moving block (34), one end, far away from the rolling disc (33), of the moving block (34) is positioned outside the moving baffle plate (31) and is fixedly connected with a positioning disc (343), vertical guide rods (35) penetrate through the vertical guide holes (342) and are slidably connected with the moving block (34), the vertical guide rods (35) penetrate through bottom sliding holes (312) and are slidably connected with the moving baffle plate (31) and are fixedly connected with the top end of the vertical sliding groove (311), fixing rods (451) are formed below the vertical guide rods (35) which are positioned below the moving baffle plate (31), a threaded hole (361) in threaded connection with a rotating thread (351) is formed in the center of the end face of the rotating block (36), a first spring (37) is movably sleeved on the periphery of the vertical guide rod (35) above the moving block (34), a through hole (381) is formed in the end face of the fixed cylinder (38), a connecting block (382) is fixedly connected with the periphery of the fixed cylinder (38), one end, far away from the fixed cylinder (38), of the connecting block (382 is fixedly connected with the outer surface of the moving baffle plate (31), an L-shaped rod (39) penetrates through the through hole (381) to be in sliding connection with the fixed cylinder (38), a cross rod of the L-shaped rod (39) is located between limiting convex blocks (23), a top disc (391) is fixedly connected to the top end of the L-shaped rod (39), and a second spring (392) is movably sleeved on the periphery of the L-shaped rod (39);
the rotary shielding component (4) comprises a gear (41) positioned in a rotary groove (313), a rack (42) meshed with the gear (41), a rotating shaft (43), a rotary drum (44), a rotating rod (45) and a rotary baffle (46), wherein a connecting hole (411) is formed in the center of the end face of the gear (41), the rotating shaft (43) is fixedly connected with the gear (41) through the connecting hole (411), the rotating shaft (43) is positioned at the bottom end of the movable baffle (31) and inserted into a positioning rotary hole (3131) to be rotatably connected with the movable baffle (31), the rotating shaft (43) is positioned at the top end of the gear (41) and rotatably connected with the movable baffle (31) through a top rotary hole (314), a grab handle (431) is fixedly connected at the top end of the movable baffle (31), a T-shaped track (421) in sliding fit with a T-shaped sliding groove (321) is fixedly connected at the bottom end of the rack (42), a steering hole (441) is formed in the top end of the rotary drum (44), all sides fixedly connected with fixed link rod (442) of rotary drum (44), rotary drum (44) one end and rack (42) fixed connection are kept away from to fixed link rod (442), foraminiferous ear seat (443) of all sides fixedly connected with of rotary drum (44), dwang (45) pass and turn to hole (441) and are rotated with rotary drum (44) and be connected, dwang (45) bottom fixedly connected with dead lever (451), dwang (45) one end and rotating baffle (46) fixed connection are kept away from to dead lever (451), dwang (45) top fixedly connected with carousel (452), spacing groove (4521) have been seted up to carousel (452) all sides, spacing card strip (47) middle part fixedly connected with rotates connecting rod (471), it rotates connecting rod (471) and foraminiferous ear seat (443) and is connected.
2. The auxiliary baffle plate for grinding as claimed in claim 1, wherein the bottom end of the first spring (37) is in contact connection with the peripheral side of the moving block (34), and the top end of the first spring (37) is in contact connection with the top end of the vertical chute (311).
3. The auxiliary baffle for grinding as claimed in claim 1, wherein the bottom end of the second spring (392) is in contact with the top end of the fixed cylinder (38), and the top end of the second spring (392) is in contact with the bottom end of the top plate (391).
CN202110240269.7A 2021-03-04 2021-03-04 Auxiliary baffle plate for grinding Active CN113070811B (en)

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CN113070811B true CN113070811B (en) 2022-08-30

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CN111644894A (en) * 2020-07-01 2020-09-11 泰州天融科技有限公司 Prevent portable numerically-controlled drilling machine that iron fillings splashes everywhere
CN112318193A (en) * 2020-11-10 2021-02-05 常德菲尔美化工技术有限公司 Chip removing device for machining

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