CN213471224U

CN213471224U - Grabbing device for lathe

Info

Publication number: CN213471224U
Application number: CN202022547553.2U
Authority: CN
Inventors: 高良焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-18
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a grabbing device for lathe relates to the machine tool machining field, the utility model discloses a base is provided with the mounting groove in the middle of the top of base, and pivot and a driving motor are installed respectively to the inside below of mounting groove, and the top of pivot is connected with the carousel, and the surface of pivot is provided with driven gear, and a driving motor's output is connected with the driving gear. The utility model discloses when the turnover closely, for example, on transferring the part on the lathe A to lathe B, the staff puts grabbing device and between lathe A and the lathe B, the staff starts first driving motor after pressing from both sides the part, first driving motor is rotatory to make the driving gear drive driven gear rotatory, one side makes the pivot drive the carousel rotatory, the carousel is rotatory to be made the solid fixed cylinder take place to rotate, thereby make the part of centre gripping can rotate to lathe B on, this grabbing device's flexibility has been improved, need not remove whole device, and the work efficiency is improved.

Description

Grabbing device for lathe

Technical Field

The utility model relates to a machine tool machining field specifically is a grabbing device for lathe.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, and are conventionally called machine tools for short, and generally include metal cutting machine tools, forging machine tools, woodworking machine tools and the like; the methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, stamping, extruding and the like are also available, but all parts with high precision requirements and fine surface roughness requirements generally need to be finally machined by cutting on a machine tool, and the machine tool plays an important role in the construction of national economy and modernization.

The prior art discloses a machine tool gripping device with application number CN201920938310.6, which comprises a bottom plate, wherein the four corners of the lower end of the bottom plate are fixedly connected with self-locking universal wheels, the upper end of the bottom plate is rotatably connected with a vertical plate, the upper end of the vertical plate is fixedly connected with a transverse plate, the upper end of the transverse plate is fixedly connected with a first motor, the transverse plate slides leftwards and rightwards and is provided with a first threaded rod, the first threaded rod is connected with the first motor through a gear set in a transmission way, the right end of the first threaded rod is fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly connected with a second motor, the mounting plate slides upwards and downwards and is provided with a second threaded rod in a penetrating way, the second threaded rod is connected with the second motor through a gear set in a transmission way, the lower end of the second threaded rod, the utility model discloses a can have enough to meet the need the part on the lathe, and easy operation, but the device need just can be with the part transports suitable position through removing the whole device of wheel when having enough to meet the need, to closely speaking, this kind of turnover mode is not practical, secondly, the device's second threaded rod lacks limit structure, the second threaded rod is because meshing mutually with a second thread section of thick bamboo, certain rotation also can take place so at a second thread section of thick bamboo rotation in-process second threaded rod, thereby make the angle of holder take place the change of one end, and then very inconvenient to the centre gripping, and, the device's fixture is not convenient for change, be not convenient for carry out the centre gripping to the part of different shapes, application scope is little.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the turnover mode is not used, the clamping piece can produce the skew and fixture is not convenient for change, a grabbing device for lathe is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a grabbing device for a machine tool comprises a base, wherein a mounting groove is formed in the middle of the top of the base, a rotating shaft and a first driving motor are respectively mounted below the inner portion of the mounting groove, a rotating disc is connected to the top end of the rotating shaft, a driven gear is arranged on the outer surface of the rotating shaft, an output end of the first driving motor is connected with a driving gear, a fixed cylinder is arranged on the top end of the rotating disc, a first servo motor is mounted at the top end of the fixed cylinder, an output end of the first servo motor is connected with a first lead screw extending into the fixed cylinder, a first thread sleeve is sleeved on the outer surface of the first lead screw, sliding sleeves are fixed on two sides of the first thread sleeve through movable blocks, a fixed frame is fixed on one side of each sliding sleeve, a second servo motor is mounted on one side of the fixed frame, and an output end, the surface of second lead screw has cup jointed the second thread bush, second driving motor is installed to the bottom of second thread bush, second driving motor's output is connected with the install bin, third servo motor is installed to one side of install bin, third servo motor's output is connected with the two-way lead screw that extends to the install bin inside, two sets of third thread bushes have been cup jointed, and is two sets of to the surface of two-way lead screw the bottom of third thread bush has the installed part through the activity post connection, one side of installed part is connected with the holder, the opposite side of installed part has run through the gag lever post, the spring has been cup jointed to the surface of gag lever post, the spacing groove has been seted up to one side of holder.

Preferably, the clamping pieces are provided with two groups, and the inner sides of the two groups of clamping pieces are in a sawtooth shape.

Preferably, the other end of the limiting rod is fixed with a pull ring, and the outer surface of the pull ring is sleeved with a rubber sleeve.

Preferably, the front section of the rotary table is in an inverted convex shape.

Preferably, the driving gear is engaged with the driven gear, and the outer surfaces of the driving gear and the driven gear are coated with lubricating oil.

Preferably, the mounting member is provided separately from the clamping member.

Preferably, the limiting rod is matched with the limiting groove.

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

1. the utility model discloses be provided with the mounting groove, first driving motor, the driving gear, driven gear, pivot and carousel, when having enough to meet the need closely, for example, transfer the part on the lathe A to lathe B, the staff puts grabbing device and between lathe A and lathe B, the staff starts first driving motor after pressing from both sides the part, first driving motor rotates and makes the driving gear drive driven gear rotatory, one side makes the pivot drive the carousel rotatory, the carousel rotation makes the solid fixed cylinder take place the rotation, thereby make the part of centre gripping can rotate to lathe B, the flexibility of this grabbing device has been improved, need not move whole device, the work efficiency has been improved;

2. the utility model is provided with a first servo motor, a first screw rod, a first screw sleeve, a movable block and a sliding sleeve, when the height needs to be reduced, a worker starts the first servo motor and the first servo motor drives the first screw rod to rotate, so that the first screw sleeve moves downwards, the first screw sleeve drives the sliding sleeve to slide downwards through the movable block, so that the height of the clamping piece is reduced, the mode is more stable in ascending or descending, the clamping piece is not easy to shift, and the operation is more convenient;

3. the utility model is provided with a mounting part, a clamping part, a limiting rod, a limiting groove, a spring and a pull ring, when clamping parts with different shapes or the clamping part needs to be replaced, a worker can pull the pull ring to shrink the spring, the limiting rod is separated from the limiting groove, at the time, the worker can slide the clamping part and the mounting part to separate, thereby completing the disassembly work, the worker finds the clamping part with proper or intact shape, when the assembly is carried out, the worker pulls the pull ring again to shrink the limiting rod and the spring, the worker slides one side of the clamping part to the inner side of the mounting part, then the user loosens the pull ring, the limiting rod is inserted into the limiting groove again due to the resetting property of the spring, thereby playing a fixing role for the clamping part, preventing the clamping part from separating during the operation, and improving the stability of the clamping part, the clamping mechanism can be replaced at will, the grabbing work of objects in different shapes can be met, and the maintenance work is greatly facilitated.

Drawings

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

FIG. 2 is a schematic view of the structure of the installation box of the present invention;

FIG. 3 is an exploded view of the mounting member and the clamping member of the present invention;

fig. 4 is a schematic view of the sectional structure of the mounting member of the present invention.

In the figure: 1. a base; 2. mounting grooves; 3. a rotating shaft; 4. a driven gear; 5. a first drive motor; 6. a driving gear; 7. a turntable; 8. a fixed cylinder; 9. a first servo motor; 10. a first lead screw; 11. a first threaded sleeve; 12. a movable block; 13. a sliding sleeve; 14. a fixed mount; 15. a second servo motor; 16. a second lead screw; 17. a second threaded sleeve; 18. a second drive motor; 19. installing a box; 20. a third servo motor; 21. a bidirectional screw rod; 22. a third thread bush; 23. a movable post; 24. a mounting member; 25. a clamping member; 26. a limiting rod; 27. a spring; 28. a pull ring; 29. a limiting groove.

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. 1-4, a grabbing device for a machine tool comprises a base 1, a mounting groove 2, a rotating shaft 3, a driven gear 4, a first driving motor 5, a driving gear 6, a rotary table 7, a fixed cylinder 8, a first servo motor 9, a first screw rod 10, a first thread bush 11, a movable block 12, a sliding bush 13, a fixed frame 14, a second servo motor 15, a second screw rod 16, a second thread bush 17, a second driving motor 18, a mounting box 19, a third servo motor 20, a bidirectional screw rod 21, a third thread bush 22, a movable column 23, a mounting piece 24, a clamping piece 25, a limiting rod 26, a spring 27, a pull ring 28 and a limiting groove 29, wherein the mounting groove 2 is arranged in the middle of the top of the base 1, the rotating shaft 3 and the first driving motor 5 are respectively arranged below the inner part of the mounting groove 2, the top end of the rotating shaft 3 is connected with the rotary table 7, the driven gear 4 is arranged on, the output end of a first driving motor 5 is connected with a driving gear 6, the top end of a rotary table 7 is provided with a fixed cylinder 8, the top end of the fixed cylinder 8 is provided with a first servo motor 9, the output end of the first servo motor 9 is connected with a first screw rod 10 extending into the fixed cylinder 8, the outer surface of the first screw rod 10 is sleeved with a first threaded sleeve 11, two sides of the first threaded sleeve 11 are fixed with a sliding sleeve 13 through a movable block 12, one side of the sliding sleeve 13 is fixed with a fixed frame 14, one side of the fixed frame 14 is provided with a second servo motor 15, the output end of the second servo motor 15 is connected with a second screw rod 16, the outer surface of the second screw rod 16 is sleeved with a second threaded sleeve 17, the bottom of the second threaded sleeve 17 is provided with a second driving motor 18 which is convenient for adjusting the clamping angle of a clamping piece 25 and enables clamping to be more stable, the output end of the second driving motor 18 is connected with a mounting box, the output of third servo motor 20 is connected with the two-way lead screw 21 that extends to 19 insides of installation box, two sets of third thread bush 22 have been cup jointed to two-way lead screw 21's surface, the bottom of two sets of third thread bush 22 is connected with installed part 24 through activity post 23, one side of installed part 24 is connected with holder 25, the opposite side of installed part 24 runs through gag lever post 26, spring 27 has been cup jointed to the surface of gag lever post 26, spacing groove 29 has been seted up to one side of holder 25, cooperation through gag lever post 26 and spacing groove 29, make holder 25 install more firmly.

Please refer to fig. 1-4, two sets of clamping members 25 are provided, and the inner sides of the two sets of clamping members 25 are zigzag, so as to increase the friction force with the part, so that the part is more firmly grabbed, a pull ring 28 is fixed at the other end of the limiting rod 26, and a rubber sleeve is sleeved on the outer surface of the pull ring 28, so as to facilitate pulling the limiting rod 26 to move.

Please refer to fig. 1, the front cross-sectional view of the rotary table 7 is inverted "convex" shape, so that the rotary table 7 is more stable when rotating, the driving gear 6 is engaged with the driven gear 4, and the outer surfaces of the driving gear 6 and the driven gear 4 are coated with lubricant, so that the rotary table is smoother and not easy to rust.

Referring to fig. 1-4, the mounting member 24 is detachably disposed on the clamping member 25 for replacing the clamping member 25, and the limiting rod 26 is adapted to the limiting groove 29 for limiting the clamping member 25, so that the clamping member 25 is more firmly fixed.

The working principle is as follows: firstly, a worker places the device at a designated position, then the power supply is switched on, when grabbing parts, the worker firstly starts the second servo motor 15, the second servo motor 15 rotates to enable the second screw rod 16 to rotate, then the second screw sleeve 17 is driven to move, further the clamping piece 25 is positioned right above the parts, then the second driving motor 18 is started to adjust the grabbing angle of the clamping piece 25, then the first servo motor 9 rotates to enable the first screw rod 10 to rotate, so that the first screw sleeve 11 drives the sliding sleeve 13 to slide downwards through the movable block 12, when the sliding position reaches a certain position, the third servo motor 20 rotates to enable the bidirectional screw rod 21 to rotate, so that the third screw sleeve 22 relatively moves, the two groups of clamping pieces 25 clamp the parts, the first servo motor 9 reversely rotates to enable the parts to be lifted to a certain height, the first driving motor 5 rotates to enable the driving gear 6 to rotate, so that the driven gear 4 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the fixed cylinder 8 to rotate through the turntable 7, and then the part is transferred to another machine tool, when clamping parts of different shapes are clamped or the clamping part 25 needs to be replaced, a worker can pull the pull ring 28 to enable the spring 27 to contract, the limiting rod 26 is separated from the limiting groove 29, at the moment, the worker can slide the clamping part 25 to be separated from the mounting part 24, so that the dismounting work is completed, then the worker finds the clamping part 25 with a proper shape or good shape, when the mounting is carried out, the worker pulls the pull ring 28 again to enable the limiting rod 26 and the spring 27 to contract, then the worker slides one side of the clamping part 25 to the inner side of the mounting part 24, then the user loosens the pull ring 28, due to the resetting performance of the spring 27, the limiting rod 26 is inserted into the limiting groove 29 again, so that a fixing effect is achieved on the, preventing the clamp 25 from disengaging during operation.

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

1. The utility model provides a grabbing device for lathe, includes base (1), its characterized in that: the improved structure of the screw driver is characterized in that a mounting groove (2) is arranged in the middle of the top of the base (1), a rotating shaft (3) and a first driving motor (5) are respectively installed below the inside of the mounting groove (2), a rotating disc (7) is connected to the top end of the rotating shaft (3), a driven gear (4) is arranged on the outer surface of the rotating shaft (3), a driving gear (6) is connected to the output end of the first driving motor (5), a fixed cylinder (8) is arranged on the top end of the rotating disc (7), a first servo motor (9) is installed on the top end of the fixed cylinder (8), a first screw rod (10) extending into the fixed cylinder (8) is connected to the output end of the first servo motor (9), a first thread sleeve (11) is sleeved on the outer surface of the first screw rod (10), and sliding sleeves (13) are fixed to the two sides of the first thread sleeve, a fixing frame (14) is fixed on one side of the sliding sleeve (13), a second servo motor (15) is installed on one side of the fixing frame (14), the output end of the second servo motor (15) is connected with a second lead screw (16), a second thread sleeve (17) is sleeved on the outer surface of the second lead screw (16), a second driving motor (18) is installed at the bottom of the second thread sleeve (17), the output end of the second driving motor (18) is connected with a mounting box (19), a third servo motor (20) is installed on one side of the mounting box (19), the output end of the third servo motor (20) is connected with a bidirectional lead screw (21) extending into the mounting box (19), two sets of third thread sleeves (22) are sleeved on the outer surface of the bidirectional lead screw (21), and the bottoms of the two sets of third thread sleeves (22) are connected with a mounting piece (24) through a movable column (23), one side of installed part (24) is connected with holder (25), gag lever post (26) has been run through to the opposite side of installed part (24), spring (27) have been cup jointed to the surface of gag lever post (26), spacing groove (29) have been seted up to one side of holder (25).

2. The grasping apparatus for a machine tool according to claim 1, characterized in that: the clamping pieces (25) are provided with two groups, and the inner sides of the two groups of clamping pieces (25) are in a sawtooth shape.

3. The grasping apparatus for a machine tool according to claim 1, characterized in that: the other end of the limiting rod (26) is fixed with a pull ring (28), and the outer surface of the pull ring (28) is sleeved with a rubber sleeve.

4. The grasping apparatus for a machine tool according to claim 1, characterized in that: the front section of the rotary table (7) is in an inverted convex shape.

5. The grasping apparatus for a machine tool according to claim 1, characterized in that: the driving gear (6) is meshed with the driven gear (4), and lubricating oil is coated on the outer surfaces of the driving gear (6) and the driven gear (4).

6. The grasping apparatus for a machine tool according to claim 1, characterized in that: the mounting piece (24) and the clamping piece (25) are arranged in a detachable mode.

7. The grasping apparatus for a machine tool according to claim 1, characterized in that: the limiting rod (26) is matched with the limiting groove (29).