CN214135509U - A inseparable three-jaw manual grinding machine for grinding inside and outside footpath of work piece - Google Patents

Abstract

The utility model discloses an inseparable three-jaw manual grinding machine that is used for inside and outside footpath of work piece to grind relates to and grinds quick-witted equipment technical field, including workstation, slewing mechanism, kayser mechanism, the top one end of workstation is provided with the slide rail, the one end that the slide rail was kept away from on the workstation top is provided with the fixed bolster, the outer wall side that the fixed bolster is close to slide rail one end is provided with the scale. The utility model discloses a set up the workstation, the bearing base, the three-jaw chuck, the fixed bolster, spacing spout, the scale, the roof, the threaded rod, the rotary disk, the elevating platform, spacing slider, motor and grinding drill bit can realize the position quick adjustment who grinds the drill bit, it grinds drill bit height and equals work piece outer wall radius when carrying out the grinding of work piece outer wall and grinds drill bit radius in addition, it grinds drill bit height and equals work piece outer wall radius when carrying out the grinding of work piece inner wall and subtracts grinding drill bit radius, can effectively improve the work efficiency that the work piece ground through mutually supporting of above a plurality of parts.

Description

A inseparable three-jaw manual grinding machine for grinding inside and outside footpath of work piece

Technical Field

The utility model relates to a grind quick-witted equipment technical field, specifically be a manual machine that grinds of inseparable three-jaw that is used for the inside and outside footpath of work piece to grind.

Background

Grinding is an important processing method in precision machining, and is to precisely process a machined surface by utilizing abrasive grains coated or embedded on a grinding tool and through relative motion of the grinding tool and a workpiece under certain pressure.

When the existing grinding machine grinds the inner cylindrical surface and the outer cylindrical surface of a workpiece, the position between a grinding tool and the workpiece cannot be quickly arranged at the top end, the position of the grinding tool can be determined only through multiple times of adjustment, and the grinding efficiency of the workpiece is greatly influenced.

Therefore, the invention discloses a compact three-jaw manual grinding machine for grinding the inner diameter and the outer diameter of a workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that a grinding tool cannot be quickly positioned, a tight three-jaw manual grinding machine for grinding the inner diameter and the outer diameter of a workpiece is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a tight three-jaw manual grinding machine for grinding the inner diameter and the outer diameter of a workpiece comprises a workbench, a rotating mechanism and a clamping mechanism, wherein a slide rail is arranged at one end of the top end of the workbench, a fixed support is arranged at one end, far away from the slide rail, of the top end of the workbench, a graduated scale is arranged on the side surface, close to one end of the slide rail, of the fixed support, a limiting chute is arranged on one side of the outer wall of the fixed support, a limiting block is arranged at the position, close to one end of the fixed support, of the top end of the workbench, the rotating mechanism is positioned at the top end of the workbench and is mutually sleeved with the slide rail, the clamping mechanism is positioned inside the rotating mechanism, a top plate is arranged at the top end of the fixed support, a threaded rod is arranged at the top end of the top plate, a rotating disk is arranged at the top end of the threaded rod, a lifting table is arranged below the top plate and on one side of the fixed support, and the bottom end of the threaded rod penetrates through the top plate and extends through the lifting table to be connected with the top end of the workbench, the top of elevating platform is located the one end of threaded rod and is provided with the motor, the output of motor is connected with the grinding bit, the outer wall both sides of elevating platform are provided with spacing slider.

Preferably, the rotating mechanism comprises a movable base, a rotating handle, a rotating column, a first gear, a second gear, a connecting bearing, a fixed column and a three-jaw chuck, a moving chute is arranged at the bottom end of the movable base, the inner wall of the moving chute is sleeved with the outer wall of a sliding rail, a locking bolt is arranged on one side of the outer wall of the movable base, one side of the locking bolt penetrates through the moving chute and is attached to the sliding rail, a rotating bin, a telescopic bin and a square connecting slot are arranged in the movable base, the square connecting slot is positioned on one side of the rotating bin, the telescopic bin is positioned on one side of the square connecting slot far away from the rotating bin, the rotating column is positioned at one end of the outer wall of the movable base, the three-jaw chuck is positioned at one end of the movable base far away from the rotating column, one end of the rotating column penetrates through the inside of the rotating bin and extends to the other end of the movable base to be connected with the three-jaw chuck, the rotating handle is located at one end, far away from the movable base, of the rotating column, the first gear, the second gear, the connecting bearing and the fixing column are located inside the rotating bin, the first gear is sleeved with the outer wall of the rotating column, the second gear is located below the first gear and meshed with the first gear, the connecting bearing is sleeved with the inner wall of the second gear, the fixing column is sleeved with the inner wall of the connecting bearing, one end, far away from the connecting bearing, of the fixing column is fixedly connected with the inner wall of the rotating bin, and the locking mechanism is located inside the telescopic bin.

Preferably, the locking mechanism includes spliced pole, flexible piece, square fixture block and expanding spring, square fixture block is located the inside one side that is close to square spread groove in flexible storehouse, flexible piece is located one side that square spread groove was kept away from to square fixture block, spliced pole, expanding spring are located one side that square fixture block was kept away from to flexible piece, expanding spring's inner wall cup joints each other with the outer wall of spliced pole, one side that flexible piece was kept away from to the spliced pole runs through to the outside of activity base.

Preferably, workstation and threaded rod bottom contact position are provided with bearing base, the inner wall of elevating platform and threaded rod contact position is provided with the internal thread, the external screw thread phase-match of internal thread and threaded rod, the outer wall of spacing slider cup joints each other with the inner wall of spacing spout.

Preferably, the central line of the grinding drill bit and the top end of the lifting table are located on the same horizontal plane, and the scale value of the graduated scale is the height difference between the top end of the lifting table and the central line of the three-jaw chuck.

Preferably, the outer wall of the square clamping block is matched with the inner wall of the square connecting groove, and the thickness of the telescopic spring is matched with the pitch of the first gear.

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

1. the utility model can realize the rapid position adjustment of the grinding drill bit by arranging the workbench, the bearing base, the three-jaw chuck, the fixed bracket, the limiting chute, the dividing ruler, the top plate, the threaded rod, the rotating disk, the lifting platform, the limiting slide block, the motor and the grinding drill bit, the lifting platform can move up and down along the track of the inner wall of the limiting sliding groove by the mutual matching of the rotating disk, the threaded rod and the bearing base, thereby realizing the rapid adjustment of the height of the grinding drill bit, rapidly judging the height of the grinding drill bit through the graduated scale, when the outer wall of the workpiece is ground, the height of the grinding drill bit is equal to the radius of the outer wall of the workpiece plus the radius of the grinding drill bit, when the inner wall of the workpiece is ground, the height of the grinding drill bit is equal to the radius of the outer wall of the workpiece minus the radius of the grinding drill bit, and the working efficiency of grinding the workpiece can be effectively improved through the mutual matching of the parts;

2. the utility model discloses a set up the stopper, a slide rail, slewing mechanism, the movable base, remove the spout, rotate the storehouse, flexible storehouse, square spread groove, the rotation handle, the rotation post, a gear, No. two gears, connect the bearing, the fixed column, the three-jaw chuck, the spliced pole, flexible piece, square fixture block, the quick fixed and location grinding of work piece can be realized to expanding spring and locking bolt, can realize the quick fixed of work piece through the three-jaw chuck, through rotating the handle, the rotation post, a gear, No. two gears, connect the bearing, the fixed column, the manual rotation of work piece can be realized to mutually supporting of three-jaw chuck, thereby realize that 360 degrees no dead angles of work piece grind, through the spliced pole, flexible piece, square fixture block, expanding spring's mutually supporting can fix a gear, thereby realize the fixed position grinding operation of work piece.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is an enlarged view of the position A of the present invention;

fig. 4 is a cross-sectional exploded view of the rotating mechanism of the present invention;

fig. 5 is an enlarged view of the position B of the present invention.

In the figure: 1. a work table; 101. a bearing base; 2. a limiting block; 3. a slide rail; 4. a rotating mechanism; 401. a movable base; 4011. a moving chute; 4012. rotating the bin; 4013. a telescopic bin; 4014. a square connecting groove; 402. rotating the handle; 403. rotating the column; 404. a first gear; 405. a second gear; 406. connecting a bearing; 407. fixing a column; 408. a three-jaw chuck; 5. fixing a bracket; 501. a limiting chute; 502. a graduated scale; 6. a top plate; 7. a threaded rod; 8. rotating the disc; 9. a lifting platform; 901. a limiting slide block; 10. a motor; 11. grinding the drill bit; 12. a latch mechanism; 1201. connecting columns; 1202. a telescopic block; 1203. a square fixture block; 1204. a tension spring; 13. and locking the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-5, a tight three-jaw manual grinding machine for grinding the inner and outer diameters of a workpiece comprises a workbench 1, a rotating mechanism 4 and a locking mechanism 12, wherein a slide rail 3 is arranged at one end of the top end of the workbench 1, a fixed support 5 is arranged at one end of the top end of the workbench 1 away from the slide rail 3, a graduated scale 502 is arranged on the side surface of the outer wall of one end of the fixed support 5 close to the slide rail 3, a limit chute 501 is arranged on one side of the outer wall of the fixed support 5, a limit block 2 is arranged at the position of the top end of the workbench 1, which is positioned at one end of the slide rail 3 close to the fixed support 5, the rotating mechanism 4 is positioned at the top end of the workbench 1 and is sleeved with the slide rail 3, the locking mechanism 12 is positioned inside the rotating mechanism 4, a top plate 6 is arranged at the top end of the fixed support 5, a threaded rod 7 is arranged at the top end of the top plate 6, a rotating disk 8 is arranged at the top end of the threaded rod 7, a lifting platform 9 is arranged at one side of the fixed support 5 below the top plate 6, the bottom of threaded rod 7 runs through roof 6 and extends and runs through elevating platform 9 and be connected with the top of workstation 1, and the one end that the top of elevating platform 9 is located threaded rod 7 is provided with motor 10, and the output of motor 10 is connected with grinding bit 11, and the outer wall both sides of elevating platform 9 are provided with limiting slide 901.

Referring to fig. 4-5, the rotating mechanism 4 includes a movable base 401, a rotating handle 402, a rotating column 403, a first gear 404, a second gear 405, a connecting bearing 406, a fixing column 407, and a three-jaw chuck 408, a moving chute 4011 is disposed at the bottom end of the movable base 401, an inner wall of the moving chute 4011 is sleeved with an outer wall of the slide rail 3, a locking bolt 13 is disposed at one side of the outer wall of the movable base 401, one side of the locking bolt 13 penetrates into the moving chute 4011 and is attached to the slide rail 3, a rotating bin 4012, a telescopic bin 4013, a square connecting slot 4014 is disposed inside the movable base 401, the square connecting slot 4014 is located at one side of the rotating bin 4012, the rotating column 403 is located at one end of the outer wall of the movable base 401, the one end of the rotating column 408 is located at one end of the movable base 401 far from the rotating column 403, one end of the rotating column penetrates through the inside the rotating bin 4012 and extends to the other end of the movable base 401 to connect with the three-jaw chuck 408, the rotating handle 402 is located at one end of the rotating column 403 far away from the movable base 401, the first gear 404, the second gear 405, the connecting bearing 406 and the fixed column 407 are located inside the rotating bin 4012, the first gear 404 is sleeved with the outer wall of the rotating column 403, the second gear 405 is located below the first gear 404 and meshed with the first gear 404, the connecting bearing 406 is sleeved with the inner wall of the second gear 405, the fixed column 407 is sleeved with the inner wall of the connecting bearing 406, one end of the fixed column 407 far away from the connecting bearing 406 is fixedly connected with the inner wall of the rotating bin 4012, the locking mechanism 12 is located inside the telescopic bin 4013, a workpiece to be processed can be quickly fixed through the three-jaw chuck 408, the movable base 401 can move along the track of the sliding rail 3 through the moving sliding chute 4011, and the three-jaw chuck 408 can be manually rotated to perform grinding operation through the rotating handle 402 and the rotating column 403.

Please refer to fig. 4-5, the locking mechanism 12 includes a connection column 1201, a retractable block 1202, a square block 1203 and a retractable spring 1204, the square block 1203 is located on one side of the inside of the retractable bin 4013 close to the square connection groove 4014, the retractable block 1202 is located on one side of the square block 1203 far away from the square connection groove 4014, the connection column 1201, the retractable spring 1204 is located on one side of the retractable block 1202 far away from the square block 1203, the inner wall of the retractable spring 1204 is sleeved with the outer wall of the connection column 1201, one side of the connection column 1201 far away from the retractable block 1202 runs through to the outside of the movable base 401, the locking mechanism 12 can lock and fix the rotating mechanism 4, thereby assisting the rotating mechanism 4 to perform workpiece grinding operation.

Please refer to fig. 1-3, a bearing base 101 is disposed at a position where the workbench 1 contacts with the bottom end of the threaded rod 7, an inner thread is disposed on an inner wall of a position where the lifting platform 9 contacts with the threaded rod 7, the inner thread is matched with an outer thread of the threaded rod 7, an outer wall of the limiting slider 901 is sleeved with an inner wall of the limiting chute 501, the threaded rod 7 can rotate around the bearing base 101, and the threaded rod 7 can drive the lifting platform 9 to move up and down along an inner wall track of the limiting chute 501 when rotating.

Referring to fig. 1-2, the center line of the grinding bit 11 and the top end of the lifting table 9 are located on the same horizontal plane, the scale value of the scale 502 is the height difference between the top end of the lifting table 9 and the center line of the three-jaw chuck 408, the height difference between the center line of the grinding bit 11 and the center line of the workpiece can be determined by the position of the scale 502 corresponding to the top end of the lifting table 9, and then the position height of the grinding bit 11 can be determined by the radius of the workpiece and the radius of the grinding bit 11.

Referring to fig. 4 to 5, the outer wall of the square latch 1203 is matched with the inner wall of the square connecting groove 4014, the thickness of the extension spring 1204 is matched with the pitch of the first gear 404, and the square latch 1203 can enter the rotating chamber 4012 along the square connecting groove 4014 and be clamped with the first gear 404, so as to fix the first gear 404.

The working principle is as follows: when the compact three-jaw manual grinding machine for grinding the inner diameter and the outer diameter of a workpiece is used, the workpiece can be quickly fixed through the three-jaw chuck 408, the grinding drill bit 11 can be adjusted in height after the workpiece is fixed, the threaded rod 7 can be driven to rotate through the rotating rotary disk 8, the lifting platform 9 can be driven to move up and down along the track of the inner wall of the limiting sliding groove 501 when the threaded rod 7 rotates, so that the height of the grinding drill bit 11 is adjusted, the number value of the scale corresponding to the top end of the lifting platform 9 is the height of the grinding drill bit 11, which is determined according to the size of the workpiece, if the inner wall of the workpiece is ground, the height of the grinding drill bit 11 is equal to the radius of the inner wall of the workpiece minus the radius of the grinding drill bit, if the outer wall of the workpiece is ground, the height of the grinding drill bit 11 is equal to the radius of the outer wall of the workpiece plus the radius of the grinding drill bit, and the height adjustment of the grinding drill bit 11 can be quickly completed through the above operations, after the height of the grinding drill bit 11 is adjusted, the locking bolt 13 on one side of the movable base 401 can be unscrewed, then the movable base 401 moves along the track of the slide rail 3 towards the grinding drill bit 11, so that the workpiece and the grinding drill bit 11 are contacted and attached to each other, at the moment, the locking bolt 13 can be screwed down to fix the movable base 401 at the position, after the movable base 401 is fixed, an external power supply of the motor 10 can be connected, the motor 10 can drive the grinding drill bit 11 to rotate and grind the workpiece, at the moment, the first gear 404 and the square fixture block 1203 are clamped and fixed with each other, the workpiece cannot rotate, the connecting column 1201 can be pulled towards the direction far away from the movable base 401, the connecting column 1201 can drive the square fixture block 1203 to shrink into the telescopic bin 4013 along the track of the inner wall of the square connecting slot 4014 through the telescopic block 1202, and the connecting column can be rotated 90 degrees when the square fixture block 1203 completely enters the telescopic bin 4013, at the moment, a 90-degree state is formed between the square fixture block 1203 and the square connecting groove 4014, the square fixture block 1203 cannot enter the square connecting groove 4014, the square fixture block 1203 and the first gear 404 are separated, the first gear 404 can rotate, then the rotation of the workpiece can be realized through the mutual matching of the rotating handle 402, the rotating column 403 and the three-jaw chuck 408, namely, the 360-degree dead-angle-free grinding of the workpiece is realized, in the process, the rotation of the workpiece can be more stable through the mutual meshing rotation of the first gear 404 and the second gear 405, so that the grinding quality of the workpiece is improved, if the grinding of a specific position of the workpiece is required to be carried out, the connecting column 1201 can be rotated to enable the square fixture block 1203 and the square connecting groove 4014 to be in a parallel state, when the connecting column 1201 is loosened, the square fixture block 1203 automatically passes through the square connecting groove 4014 to enter the rotating bin 4012 under the action of the extension spring 1204, and the side surface of the outer wall of the connecting column 1201 is provided with a pointer corresponding to the square fixture block 1203, so that the angle of the square fixture block 1203 can be quickly judged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a inseparable three-jaw manual grinding machine for inside and outside footpath grinding of work piece, includes workstation (1), slewing mechanism (4), kayser mechanism (12), its characterized in that: a sliding rail (3) is arranged at one end of the top end of the workbench (1), a fixing support (5) is arranged at one end, far away from the sliding rail (3), of the top end of the workbench (1), a graduated scale (502) is arranged on the side face, close to the end of the sliding rail (3), of the outer wall of the fixing support (5), a limiting sliding groove (501) is arranged on one side of the outer wall of the fixing support (5), a limiting block (2) is arranged at the position, close to the fixing support (5), of the top end of the workbench (1), a rotating mechanism (4) is arranged at the top end of the workbench (1) and is mutually sleeved with the sliding rail (3), a clamping mechanism (12) is arranged inside the rotating mechanism (4), a top plate (6) is arranged at the top end of the fixing support (5), a threaded rod (7) is arranged at the top end of the top plate (6), a rotating disc (8) is arranged at the top end of the threaded rod (7), the drill bit is characterized in that a lifting table (9) is arranged on one side, located on the fixed support (5), of the lower portion of the top plate (6), the bottom end of the threaded rod (7) penetrates through the top plate (6) and extends to penetrate through the lifting table (9) to be connected with the top end of the workbench (1), a motor (10) is arranged at one end, located on the threaded rod (7), of the top end of the lifting table (9), the output end of the motor (10) is connected with a grinding drill bit (11), and limiting sliders (901) are arranged on two sides of the outer wall of the lifting table (9).

2. The tight three-jaw manual grinder for grinding the inner and outer diameters of a workpiece according to claim 1, wherein: the rotating mechanism (4) comprises a movable base (401), a rotating handle (402), a rotating column (403), a first gear (404), a second gear (405), a connecting bearing (406), a fixing column (407) and a three-jaw chuck (408), wherein a moving sliding groove (4011) is formed in the bottom end of the movable base (401), the inner wall of the moving sliding groove (4011) is mutually sleeved with the outer wall of a sliding rail (3), a locking bolt (13) is arranged on one side of the outer wall of the movable base (401), one side of the locking bolt (13) penetrates into the moving sliding groove (4011) to be mutually attached to the sliding rail (3), a rotating bin (4012), a telescopic bin (4013) and a square connecting groove (4014) are arranged inside the movable base (401), the square connecting groove (4014) is located on one side of the rotating bin (4012), the telescopic bin (4013) is located on one side, far away from the square connecting groove (4014), of the rotating bin (4012), the rotating column (403) is located at one end of the outer wall of the movable base (401), the three-jaw chuck (408) is located at one end, far away from the rotating column (403), of the movable base (401), one end of the rotating column (403) penetrates through the interior of the rotating bin (4012) and extends to the other end of the movable base (401) to be connected with the three-jaw chuck (408), the rotating handle (402) is located at one end, far away from the movable base (401), of the rotating column (403), the first gear (404), the second gear (405), the connecting bearing (406) and the fixing column (407) are located in the rotating bin (4012), the first gear (404) and the outer wall of the rotating column (403) are mutually sleeved, the second gear (405) is located below the first gear (404) and is mutually meshed with the first gear (404), and the connecting bearing (406) and the inner wall of the second gear (405) are mutually sleeved, the inner walls of the fixed column (407) and the connecting bearing (406) are mutually sleeved, one end, far away from the connecting bearing (406), of the fixed column (407) is fixedly connected with the inner wall of the rotating bin (4012), and the locking mechanism (12) is located inside the telescopic bin (4013).

3. The tight three-jaw manual grinder for grinding the inner and outer diameters of the workpiece as claimed in claim 2, wherein: kayser mechanism (12) are including spliced pole (1201), flexible piece (1202), square fixture block (1203) and expanding spring (1204), square fixture block (1203) is located flexible storehouse (4013) inside one side that is close to square connecting groove (4014), flexible piece (1202) are located one side that square connecting groove (4014) was kept away from to square fixture block (1203), spliced pole (1201), expanding spring (1204) are located one side that square fixture block (1203) was kept away from to flexible piece (1202), the inner wall of expanding spring (1204) cup joints with the outer wall of spliced pole (1201) each other, one side that flexible piece (1202) were kept away from to spliced pole (1201) is run through to the outside of activity base (401).

4. The tight three-jaw manual grinder for grinding the inner and outer diameters of a workpiece according to claim 1, wherein: workstation (1) and threaded rod (7) bottom contact position are provided with bearing base (101), elevating platform (9) and threaded rod (7) contact position's inner wall is provided with the internal thread, the external screw thread phase-match of internal thread and threaded rod (7), the outer wall of spacing slider (901) cup joints each other with the inner wall of spacing spout (501).

5. The tight three-jaw manual grinder for grinding the inner and outer diameters of the workpiece as claimed in claim 2, wherein: the central line of the grinding drill bit (11) and the top end of the lifting platform (9) are located on the same horizontal plane, and the scale numerical value of the graduated scale (502) is the height difference between the top end of the lifting platform (9) and the central line of the three-jaw chuck (408).

6. A compact three-jaw hand grinder for grinding the inside and outside diameters of workpieces as set forth in claim 3, wherein: the outer wall of the square fixture block (1203) is matched with the inner wall of the square connecting groove (4014), and the thickness of the telescopic spring (1204) is matched with the pitch of the first gear (404).

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