CN111761470A - Workpiece positioning workbench of numerical control grinding machine - Google Patents
Workpiece positioning workbench of numerical control grinding machine Download PDFInfo
- Publication number
- CN111761470A CN111761470A CN202010692064.8A CN202010692064A CN111761470A CN 111761470 A CN111761470 A CN 111761470A CN 202010692064 A CN202010692064 A CN 202010692064A CN 111761470 A CN111761470 A CN 111761470A
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- placing frame
- grinding machine
- motor
- screw
- workpiece
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention belongs to the technical field of numerical control grinding machines, and particularly relates to a workpiece positioning workbench of a numerical control grinding machine, which comprises a base, wherein a hydraulic rod is fixedly installed at the top of the base, a grinding machine is fixedly installed at the top end of the hydraulic rod, a transverse transmission mechanism is fixedly installed at the top of the base and comprises a first placing frame, the inner walls of two sides of the first placing frame are rotatably provided with a same first screw rod, a first ball screw rod sleeve is sleeved on the first screw rod in a threaded manner, a longitudinal transmission mechanism is fixedly installed at the top of the first ball screw rod sleeve and comprises a second placing frame, and the bottom of the second placing frame is fixedly connected with the top of the first ball screw rod sleeve. The workpiece grinding machine has wide application range, and the parts can fix workpieces with various sizes and can adjust the position of the workpiece after the workpiece is fixed so as to conveniently grind the workpiece.
Description
Technical Field
The invention relates to the technical field of numerically controlled grinders, in particular to a workpiece positioning workbench of a numerically controlled grinder.
Background
A grinding machine is a machine tool for grinding a surface of a workpiece. In the conventional grinding process, a workpiece is generally directly mounted on a carrier of a grinding machine, the carrier is in a horizontal state and is fixed with the grinding machine, and then the grinding process of the surface of the workpiece is performed according to a set program so as to achieve the required dimensional accuracy and surface accuracy, that is, the grinding machine grinds the surface to be processed of the workpiece to be in a horizontal state.
However, when the existing grinding machine is used for positioning a workpiece, the workpiece of one type can be fixed, and the application range is small, so that great inconvenience is brought to processing work.
Therefore, a workpiece positioning workbench of a numerical control grinding machine is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a workpiece positioning workbench of a numerical control grinding machine.
In order to achieve the purpose, the invention adopts the following technical scheme: a workpiece positioning workbench of a numerical control grinding machine comprises a base, wherein a hydraulic rod is fixedly mounted at the top of the base, a grinding machine is fixedly mounted at the top end of the hydraulic rod, a transverse transmission mechanism is fixedly mounted at the top of the base and comprises a first placing frame, the inner walls of two sides of the first placing frame are rotatably mounted with the same first screw rod, a first ball screw rod sleeve is sleeved on the first screw rod in a threaded manner, a longitudinal transmission mechanism is fixedly mounted at the top of the first ball screw rod sleeve and comprises a second placing frame, the bottom of the second placing frame is fixedly connected with the top of the first ball screw rod sleeve, the inner walls of two sides of the second placing frame are rotatably mounted with the same second screw rod, a second ball screw rod sleeve is sleeved on the second screw rod in a threaded manner, and a fixed positioning mechanism is fixedly mounted at the top of the second ball screw rod sleeve, the fixed positioning mechanism comprises a bedplate, and the bottom of the bedplate is fixedly connected with the top of the second ball screw rod sleeve.
Preferably, first rotation holes have been all seted up on the both sides inner wall of first rack, the inner wall in first screw rod and two first rotation holes all rotates to be connected, one side fixed mounting of first rack has first motor, first screw rod is close to the one end of first motor and the output shaft fixed connection of first motor, be equipped with two first gag lever posts on the first rack, the both ends of two first gag lever posts respectively with the both sides inner wall fixed connection of first rack, equal slidable mounting has two first sliders on two first gag lever posts, the top of four first sliders all with the bottom fixed connection of second rack.
Preferably, the second rotating holes are formed in the inner walls of the two sides of the second placing frame, the two ends of the second screw rod are respectively connected with the inner walls of the corresponding second rotating holes in a rotating mode, a second motor is fixedly mounted on one side of the second placing frame, one end, close to the second motor, of the second screw rod is fixedly connected with the output shaft of the second motor, two second limiting rods are arranged in the second placing frame, two second sliding blocks are slidably mounted on the two second limiting rods, and the tops of the four second sliding blocks are fixedly connected with the bottom of the bedplate.
Preferably, the top fixed mounting of platen has four fixed blocks that are the rectangle and arrange, rotates on two adjacent fixed blocks and installs same arm lock, two recesses have been seted up at the top of platen, have all seted up the round hole on the one side inner wall that two recesses kept away from each other, all rotate in two round holes and install the third screw rod, the one end that two third screw rods are close to each other rotates with the one side inner wall that two recesses are close to each other respectively and is connected, equal slidable mounting has articulated piece in two recesses, two articulated piece respectively with the third screw rod threaded connection that corresponds, the top of two articulated pieces all articulates there is the connecting rod, the top of two connecting rods is articulated mutually with the arm lock that corresponds respectively.
Preferably, one side of the first placing frame close to the first motor is fixedly provided with a first annular block, the inner wall of the first motor is fixedly connected with the inner wall of the first annular block, one side of the first annular block close to the first placing frame is provided with three second round bars, and two ends of each of the three first round bars are respectively fixedly connected with the first annular block and the first placing frame.
Preferably, one side of the second placing frame, which is close to the second motor, is fixedly provided with a second annular block, the inner walls of the second motor and the second annular block are fixedly connected, one side of the second annular block, which is close to the second placing frame, is provided with three second round bars, and two ends of each of the three second round bars are respectively fixedly connected with the second annular block and the second placing frame.
Preferably, a rotating groove is formed in the inner wall of one side, close to each other, of each groove, one end, close to each other, of each of the two third screw rods is connected with the inner wall of the corresponding rotating groove in a rotating mode, and one end, far away from each other, of each of the two third screw rods extends to the corresponding round hole and is fixedly provided with a hand wheel.
Preferably, a bearing is arranged in the circular hole, an outer ring of the bearing is fixedly connected with the inner wall of the circular hole, and an inner ring of the bearing is fixedly sleeved on the third screw rod.
Preferably, the bottom of the hinge block is nested with a ball, and the ball is in rolling connection with the inner wall of the groove.
Preferably, two mounting plates are fixedly mounted on one sides of the two clamping arms far away from each other, and one ends of the two connecting rods close to each other are respectively and rotatably connected with the two corresponding mounting plates.
Compared with the prior art, the invention has the beneficial effects that: when a workpiece is polished, the workpiece is placed on a bedplate, the bedplate is positioned between two clamping arms, then two hand wheels are rotated anticlockwise, the two hand wheels drive corresponding third screw rods to rotate respectively, the two third screw rods drive two hinging blocks to rotate in corresponding grooves and approach each other, the two hinging blocks drive the two clamping arms to rotate in opposite directions and approach each other respectively through two connecting rods, so that the workpiece is tightly fixed on the bedplate by the two clamping arms, one side of a base is connected with an external power supply, a first reversing switch and a second reversing switch, wherein the external power supply of a first motor and the first reversing switch are sequentially connected through a conducting wire and form a loop, the second motor, the external power supply and the second reversing switch are sequentially connected through conducting wires and form the loop, when the workpiece needs to be moved transversely, the first motor is controlled to rotate through the first reversing switch, the first motor rotates and drives the first screw to rotate, along with the rotation of the first screw, the first ball screw sleeve transversely moves on the first screw, the first ball screw sleeve transversely moves the second placing frame under the limitation of the two first sliding blocks, when a workpiece needs to be longitudinally moved, the second motor is controlled to rotate through the second reversing switch, the second motor rotates and drives the second screw to rotate, along with the rotation of the second screw, the second ball screw sleeve transversely moves on the second screw, and under the limitation of the two second sliding blocks, the second ball screw sleeve longitudinally moves the bedplate, so that the workpiece located on the bedplate can be moved to any needed position.
The workpiece grinding machine has wide application range, and the parts can fix workpieces with various sizes and can adjust the position of the workpiece after the workpiece is fixed so as to conveniently grind the workpiece.
Drawings
Fig. 1 is a schematic perspective view of a workpiece positioning table of a numerically controlled grinder according to the present invention;
FIG. 2 is a schematic structural view of a cross-sectional front view of a transverse transmission mechanism in a workpiece positioning table of a numerically controlled grinder according to the present invention;
FIG. 3 is a schematic structural view of a longitudinal transmission mechanism in a workpiece positioning table of a numerically controlled grinder according to the present invention;
FIG. 4 is a schematic structural view of a fixed positioning mechanism in a workpiece positioning table of a numerically controlled grinder according to the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 4.
In the figure: 1. a base; 2. a hydraulic lever; 3. a sander; 4. a transverse transmission mechanism; 401. a first placing rack; 402. a first limit rod; 403. a first slider; 404. a first rotation hole; 405. a first screw; 406. a first ball screw sleeve; 407. a first motor; 5. a longitudinal transmission mechanism; 501. a second rack; 502. a second limiting rod; 503. a second slider; 504. a second rotation hole; 505. a second screw; 506. a second ball screw sleeve; 507. a second motor; 6. a fixed positioning mechanism; 601. a platen; 602. a fixed block; 603. clamping arms; 604. a groove; 605. a hinged block; 606. a connecting rod; 607. a circular hole; 608. and a third screw.
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.
Examples
Referring to fig. 1 to 5, the embodiment provides a workpiece positioning workbench of a numerically controlled grinder, which includes a base 1, a hydraulic rod 2 is fixedly installed on the top of the base 1, a grinder 3 is fixedly installed on the top of the hydraulic rod 2, a transverse transmission mechanism 4 is fixedly installed on the top of the base 1, the transverse transmission mechanism 4 includes a first rack 401, the same first screw 405 is rotatably installed on the inner walls of the two sides of the first rack 401, a first ball screw sleeve 406 is threadedly sleeved on the first screw 405, a longitudinal transmission mechanism 5 is fixedly installed on the top of the first ball screw sleeve 406, the longitudinal transmission mechanism 5 includes a second rack 501, the bottom of the second rack 501 is fixedly connected with the top of the first ball screw sleeve 406, the same second screw 505 is rotatably installed on the inner walls of the two sides of the second rack 501, a second ball screw sleeve 506 is threadedly sleeved on the second screw 505, the top of the second ball screw sleeve 506 is fixedly provided with a fixed positioning mechanism 6, the fixed positioning mechanism 6 comprises a bedplate 601, and the bottom of the bedplate 601 is fixedly connected with the top of the second ball screw sleeve 506;
the inner walls of two sides of the first placing frame 401 are both provided with first rotating holes 404, a first screw 405 is rotatably connected with the inner walls of the two first rotating holes 404, one side of the first placing frame 401 is fixedly provided with a first motor 407, one end of the first screw 405 close to the first motor 407 is fixedly connected with an output shaft of the first motor 407, the first placing frame 401 is provided with two first limiting rods 402, two ends of the two first limiting rods 402 are respectively fixedly connected with the inner walls of two sides of the first placing frame 401, the two first limiting rods 402 are respectively and slidably provided with two first sliding blocks 403, the top ends of the four first sliding blocks 403 are respectively and fixedly connected with the bottom of the second placing frame 501, the inner walls of two sides of the second placing frame 501 are both provided with second rotating holes 504, two ends of the second screw 505 are respectively and rotatably connected with the corresponding inner walls of the second rotating holes 504, one side of the second placing frame 501 is fixedly provided with a second motor 507, one end of a second screw 505 close to a second motor 507 is fixedly connected with an output shaft of the second motor 507, two second limiting rods 502 are arranged in a second placing frame 501, two second sliding blocks 503 are respectively and slidably mounted on the two second limiting rods 502, the tops of the four second sliding blocks 503 are respectively and fixedly connected with the bottom of the bedplate 601, four fixed blocks 602 which are arranged in a rectangular shape are fixedly mounted on the top of the bedplate 601, the two adjacent fixed blocks 602 are rotatably mounted with the same clamping arm 603, the top of the bedplate 601 is provided with two grooves 604, the inner walls of the sides of the two grooves 604 far away from each other are respectively provided with a round hole 607, a third screw 608 is respectively and rotatably mounted in the two round holes 607, the ends of the two third screws 608 close to each other are respectively and rotatably connected with the inner walls of the sides of the two grooves 604 close to each other, hinged blocks 605 are respectively and slidably mounted in the two grooves 604, and the two hinged blocks are, the top ends of the two hinged blocks 605 are hinged with connecting rods 606, the top ends of the two connecting rods 606 are hinged with corresponding clamping arms 603 respectively, one side of the first placing frame 401 close to the first motor 407 is fixedly provided with a first annular block, the first motor 407 is fixedly connected with the inner wall of the first annular block, one side of the first annular block close to the first placing frame 401 is provided with three second round rods, two ends of the three first round rods are fixedly connected with the first annular block and the first placing frame 401 respectively, one side of the second placing frame 501 close to the second motor 507 is fixedly provided with a second annular block, the second motor 507 is fixedly connected with the inner wall of the second annular block, one side of the second annular block close to the second placing frame 501 is provided with three second round rods, two ends of the three second round rods are fixedly connected with the second annular block and the second placing frame 501 respectively, the inner walls of one side of the two grooves 604 close to each other are provided with rotating grooves, the ends, close to each other, of the two third screw rods 608 are respectively and rotatably connected with the inner walls of the corresponding rotating grooves, the ends, far away from each other, of the two third screw rods 608 respectively extend out of the corresponding round holes 607 and are fixedly provided with hand wheels, bearings are arranged in the round holes 607, the outer rings of the bearings are fixedly connected with the inner walls of the round holes 607, the inner rings of the bearings are fixedly sleeved on the third screw rods 608, the bottoms of the hinge blocks 605 are nested with balls which are in rolling connection with the inner walls of the grooves 604, the sides, far away from each other, of the two clamping arms 603 are respectively and fixedly provided with two mounting plates, the ends, close to each other, of the two connecting rods 606 are respectively and rotatably connected with the two corresponding mounting plates, when a workpiece is polished, the workpiece is firstly placed on the bedplate 601, the bedplate 601 is positioned between the two clamping arms 603, the two third screws 608 further drive the two hinge blocks 605 to rotate in the corresponding grooves 604 and approach each other, the two hinge blocks 605 further drive the two clamp arms 603 to rotate in opposite directions and approach each other through the two connecting rods 606, respectively, so that the two clamp arms 603 tightly fix the workpiece on the platen 601, one side of the base 1 is connected with an external power supply, a first reversing switch and a second reversing switch, wherein the external power supply of the first motor 407 and the first reversing switch are sequentially connected through a conducting wire and form a loop, wherein the second motor 507, the external power supply and the second reversing switch are sequentially connected through a conducting wire and form a loop, when the workpiece needs to be moved transversely, the first motor 407 is controlled to rotate through the first reversing switch, the first motor 407 rotates and drives the first screw 405 to rotate, and along with the rotation of the first screw 405, the first ball screw sleeve 406 moves transversely on the first screw 405, under the limit of the two four first sliding blocks 403, the first ball screw rod sleeve 406 drives the second placing rack 501 to move transversely, when a workpiece needs to be moved longitudinally, the second motor 507 is controlled to rotate by the second reversing switch, the second motor 507 rotates and drives the second screw rod 505 to rotate, the second ball screw rod sleeve 506 moves transversely on the second screw rod 505 along with the rotation of the second screw rod 505, and under the limit of the two four second sliding blocks 503, the second ball screw rod sleeve 506 drives the bedplate 601 to move longitudinally, so that the workpiece on the bedplate 601 can move to any required position.
In this embodiment, when a workpiece is polished, the workpiece is placed on the platen 601, the platen 601 is located between the two clamping arms 603, then the two hand wheels are rotated counterclockwise, the two hand wheels drive the corresponding third screws 608 to rotate, the two third screws 608 drive the two hinge blocks 605 to rotate in the corresponding grooves 604 and approach each other, the two hinge blocks 605 drive the two clamping arms 603 to rotate in opposite directions and approach each other with the corresponding fixing blocks 602 through the two connecting rods 606, and thus the workpiece is tightly fixed on the platen 601 by the two clamping arms 603.
In this embodiment, an external power source, a first reversing switch and a second reversing switch are connected to one side of the base 1, wherein the external power source of the first motor 407 and the first reversing switch are sequentially connected through a conducting wire to form a loop, wherein the second motor 507, the external power source and the second reversing switch are sequentially connected through a conducting wire to form a loop, when a workpiece needs to be moved transversely, the first motor 407 is controlled to rotate through the first reversing switch, the first motor 407 rotates and drives the first screw 405 to rotate, the first ball screw sleeve 406 moves transversely on the first screw 405 along with the rotation of the first screw 405, the first ball screw sleeve 406 drives the second rack 501 to move transversely under the limit of the two first sliders 403, when a workpiece needs to be moved longitudinally, the second motor 507 is controlled to rotate through the second reversing switch, the second motor 507 rotates and drives the second screw 505 to rotate, with the rotation of the second screw 505, the second ball screw sleeve 506 will move transversely on the second screw 505, and under the limit of the two second sliding blocks 503, the second ball screw sleeve 506 will drive the platen 601 to move longitudinally, so that the workpiece on the platen 601 can move to any required position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The workpiece positioning workbench of the numerical control grinding machine comprises a base (1) and is characterized in that a hydraulic rod (2) is fixedly mounted at the top of the base (1), a grinding machine (3) is fixedly mounted at the top of the hydraulic rod (2), a transverse transmission mechanism (4) is fixedly mounted at the top of the base (1), the transverse transmission mechanism (4) comprises a first placing frame (401), the inner walls of two sides of the first placing frame (401) are rotatably mounted with a same first screw (405), a first ball screw sleeve (406) is sleeved on the first screw (405) in a threaded manner, a longitudinal transmission mechanism (5) is fixedly mounted at the top of the first ball screw sleeve (406), the longitudinal transmission mechanism (5) comprises a second placing frame (501), the bottom of the second placing frame (501) is fixedly connected with the top of the first ball screw sleeve (406), the utility model discloses a table top, including platen (601), fixed positioning mechanism (6), the both sides inner wall of second rack (501) is gone up to rotate and is installed same second screw rod (505), threaded sleeve is equipped with second ball screw cover (506) on second screw rod (505), the top fixed mounting of second ball screw cover (506) has fixed positioning mechanism (6), fixed positioning mechanism (6) including platen (601), the bottom of platen (601) and the top fixed connection of second ball screw cover (506).
2. A workpiece-positioning table for a numerically controlled grinding machine as recited in claim 1, the inner walls of the two sides of the first placing frame (401) are both provided with first rotating holes (404), the first screw (405) is rotationally connected with the inner walls of the two first rotating holes (404), a first motor (407) is fixedly mounted on one side of the first placing frame (401), one end of the first screw (405) close to the first motor (407) is fixedly connected with an output shaft of the first motor (407), be equipped with two first gag lever posts (402) on first rack (401), the both ends of two first gag lever posts (402) respectively with the both sides inner wall fixed connection of first rack (401), equal slidable mounting has two first sliders (403) on two first gag lever posts (402), the top of four first sliders (403) all with the bottom fixed connection of second rack (501).
3. The workpiece positioning workbench of the numerically controlled grinding machine according to claim 1, wherein the inner walls of the two sides of the second placing frame (501) are respectively provided with a second rotating hole (504), the two ends of the second screw (505) are respectively connected with the inner walls of the corresponding second rotating holes (504) in a rotating manner, one side of the second placing frame (501) is fixedly provided with a second motor (507), one end of the second screw (505) close to the second motor (507) is fixedly connected with the output shaft of the second motor (507), the second placing frame (501) is internally provided with two second limiting rods (502), the two second limiting rods (502) are respectively provided with two second sliding blocks (503) in a sliding manner, and the tops of the four second sliding blocks (503) are respectively fixedly connected with the bottom of the platen (601).
4. The workpiece positioning workbench of the numerical control grinding machine as recited in claim 1, characterized in that four fixing blocks (602) are fixedly mounted at the top of the platen (601) and arranged in a rectangular shape, the same clamping arm (603) is rotatably mounted on two adjacent fixing blocks (602), two grooves (604) are formed at the top of the platen (601), circular holes (607) are formed in the inner walls of the two grooves (604) at the sides far away from each other, third screws (608) are rotatably mounted in the two circular holes (607), the ends of the two third screws (608) close to each other are rotatably connected with the inner walls of the two grooves (604) at the sides close to each other, hinge blocks (605) are slidably mounted in the two grooves (604), the two hinge blocks (605) are respectively in threaded connection with the corresponding third screws (608), and connecting rods (606) are hinged to the top ends of the two hinge blocks (605), the top ends of the two connecting rods (606) are respectively hinged with the corresponding clamping arms (603).
5. The workpiece positioning workbench of the numerically controlled grinding machine as claimed in claim 2, wherein a first annular block is fixedly mounted on one side, close to the first motor (407), of the first placing frame (401), the first motor (407) is fixedly connected with the inner wall of the first annular block, three second round rods are arranged on one side, close to the first placing frame (401), of the first annular block, and two ends of the three first round rods are respectively fixedly connected with the first annular block and the first placing frame (401).
6. The workpiece positioning workbench of the numerically controlled grinding machine as claimed in claim 3, wherein a second annular block is fixedly mounted on one side, close to the second motor (507), of the second placing frame (501), the second motor (507) is fixedly connected with the inner wall of the second annular block, three second round rods are arranged on one side, close to the second placing frame (501), of the second annular block, and two ends of the three second round rods are respectively fixedly connected with the second annular block and the second placing frame (501).
7. The workpiece positioning workbench of the numerical control grinding machine as recited in claim 4, wherein the inner walls of the two adjacent grooves (604) are provided with rotating grooves, the ends of the two third screw rods (608) adjacent to each other are respectively and rotatably connected with the inner walls of the corresponding rotating grooves, and the ends of the two third screw rods (608) away from each other respectively extend out of the corresponding round holes (607) and are fixedly provided with hand wheels.
8. The workpiece positioning workbench of the numerically controlled grinder as claimed in claim 4, wherein a bearing is arranged in the circular hole (607), an outer ring of the bearing is fixedly connected with an inner wall of the circular hole (607), and an inner ring of the bearing is fixedly sleeved on the third screw rod (608).
9. A workpiece positioning table of a numerically controlled grinding machine according to claim 4, characterized in that balls are nested at the bottom of the hinge block (605), and the balls are in rolling connection with the inner wall of the groove (604).
10. A workpiece positioning table of a numerically controlled grinding machine as claimed in claim 4, characterized in that two mounting plates are fixedly mounted on the sides of the two clamping arms (603) away from each other, and the ends of the two connecting rods (606) close to each other are rotatably connected with the two corresponding mounting plates respectively.
Priority Applications (1)
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CN202010692064.8A CN111761470A (en) | 2020-07-17 | 2020-07-17 | Workpiece positioning workbench of numerical control grinding machine |
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CN202010692064.8A CN111761470A (en) | 2020-07-17 | 2020-07-17 | Workpiece positioning workbench of numerical control grinding machine |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112453593A (en) * | 2020-12-08 | 2021-03-09 | 陈秀燕 | Tapping device capable of being positioned quickly for machining automobile parts |
CN114654345A (en) * | 2022-03-29 | 2022-06-24 | 安徽锐锋电器有限公司 | Be used for motor stator processing apparatus |
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Application publication date: 20201013 |