CN113909937A

CN113909937A - A anchor clamps structure for production of mechanical numerical control machine tool

Info

Publication number: CN113909937A
Application number: CN202111394952.2A
Authority: CN
Inventors: 李玉龙; 文竞成
Original assignee: Hunan Biological and Electromechanical Polytechnic
Current assignee: Hunan Biological and Electromechanical Polytechnic
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-01-11

Abstract

The invention relates to the technical field of numerically controlled lathes and discloses a fixture structure for mechanical numerically controlled machine tool production. This an anchor clamps structure for production of mechanical numerical control machine tool, the on-line screen storage device comprises a base, a housing, the connection pad, the mounting disc, the guide way, lead to the setting of groove and spacing dish isotructure, it drives initiative conical gear to start driving motor and rotates, through the meshing rotation with driven conical gear with initiative conical gear, make the wind-up roll carry out the rolling to the stay cord, the in-process of stay cord rolling drives electric putter and is close to the work piece, electric putter rotates behind suitable angle, it makes its output drive splint remove to start electric putter, when the surface of splint contact work piece, according to the actual conditions on work piece surface, corresponding angle transform is made to splint, thereby further laminating in the surface of work piece, in order to reach more stable centre gripping effect.

Description

A anchor clamps structure for production of mechanical numerical control machine tool

Technical Field

The invention relates to the technical field of numerically controlled lathes, in particular to a fixture structure for mechanical numerically controlled machine tool production.

Background

The numerically controlled lathe is one of the widely used numerically controlled machine tools, it is mainly used for cutting processing of the inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces with any taper angle, complex rotary inner and outer curved surfaces, cylinders, conical threads, etc., and can perform grooving, drilling, reaming, boring, etc., the numerically controlled machine tool automatically processes the parts to be processed according to the processing program prepared in advance, we write the processing process route, process parameters, movement track, displacement, cutting parameters and auxiliary functions of the parts into a processing program list according to the instruction code and program format specified by the numerically controlled machine tool, and then record the contents in the program list on a control medium, and then input the control medium into the numerically controlled machine tool, thereby commanding the machine tool to process the parts.

The workpiece that the in-process of mechanical numerical control machine tool production often need be treated to use anchor clamps to carry out the centre gripping fixed, and anchor clamps commonly used can only press from both sides tightly regular work piece mostly, and adds man-hour just need change corresponding heterotypic anchor clamps to some heterotypic work pieces, and the dismouting of anchor clamps is comparatively wasted time, leads to the reduction of machining efficiency, provides a anchor clamps structure for mechanical numerical control machine tool production for this reason.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a clamp structure for the production of a mechanical numerical control machine tool, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a clamp structure for mechanical numerical control machine tool production comprises a base, wherein a shell is movably mounted at the center of the upper surface of the base through a shaft seat, a connecting disc is fixedly connected to the upper surface of the shell, a mounting disc is fixedly connected to the upper surface of the connecting disc, a toothed ring is sleeved on the outer side of the mounting disc in a sliding mode, guide grooves are formed in the upper surface of the mounting disc, the number of the guide grooves is four, a clamping mechanism is connected to the insides of the four guide grooves in a sliding mode, a driving mechanism is fixedly connected to the inner bottom wall of the shell, through grooves corresponding to the positions of the clamping mechanism are formed in the surface of the connecting disc, limiting bolts used for limiting the positions of the limiting bolts are connected to the surface of the shell in a threaded mode, the clamping mechanism comprises a movable seat which is connected to the insides of the guide grooves in a sliding mode, and a connecting seat is movably mounted on the upper surface of the movable seat through a pin shaft, the last fixed surface of connecting seat is connected with electric putter, electric putter's output fixedly connected with connecting block, the fixed surface of connecting block is connected with the dwang, there is splint on the surface of dwang through bearing movable mounting.

Optionally, the clamping mechanism further comprises a limiting disc fixedly connected to one end of the rotating rod, a limiting block is connected to the inner portion of the limiting disc in a sliding mode, and a reset spring is fixedly connected to the surface of the limiting block.

Optionally, the surface of the limiting block is clamped with a limiting shell, the limiting shell is fixedly connected to the surface of the clamping plate, and the surface of the electric push rod is fixedly connected with a pull rope.

Optionally, one side fixedly connected with arc of sliding seat upper surface, the inside sliding connection of arc is in the arc ring, the fixed surface of arc is connected with the spring, and the spring is convenient for the removal of arc ring and resets.

Optionally, the driving mechanism includes a driving motor fixedly connected to the inner bottom wall of the housing, and an output end of the driving motor is fixedly connected to the driving bevel gear.

Optionally, the outer side of the driving bevel gear is engaged with four driven bevel gears.

Optionally, four the wind-up roll that the equal fixedly connected with in one side of driven bevel gear was used for carrying out the rolling to the stay cord, there is the L template one side of wind-up roll through axle bed movable mounting, L template fixed connection has the lower surface in connection pad, through the setting of L template, has improved the stability when wind-up roll rotates.

Optionally, one end of the pull rope is fixedly connected to the surface of the winding roller, a winding groove matched with the pull rope is formed in the surface of the winding roller, and a tooth socket matched with the tooth ring is formed in the lower surface of the movable seat.

(III) advantageous effects

The invention provides a clamp structure for mechanical numerical control machine tool production, which has the following beneficial effects:

1. this an anchor clamps structure for production of mechanical numerical control machine tool, the on-line screen storage device comprises a base, a housing, the connection pad, the mounting disc, the guide way, lead to the setting of groove and spacing dish isotructure, it drives initiative conical gear to start driving motor and rotates, through the meshing rotation with driven conical gear with initiative conical gear, make the wind-up roll carry out the rolling to the stay cord, the in-process of stay cord rolling drives electric putter and is close to the work piece, electric putter rotates behind suitable angle, it makes its output drive splint remove to start electric putter, when the surface of splint contact work piece, according to the actual conditions on workpiece surface, corresponding angle transform is made to splint, thereby further laminating in the surface of work piece, in order to reach more stable centre gripping effect, make it be difficult for droing in the course of working.

2. This an anchor clamps structure for production of mechanical numerical control machine tool, through the annular arc board, the arc ring, a spring, the dwang, the setting of connecting block and splint isotructure, elastic force effect through the spring, both can carry on spacingly to electric putter when not using, make it keep vertical state, rotation after the while convenient to use again resets, the centre gripping of being convenient for next time is used, and the use through reset spring, can make the stopper joint in spacing shell, the angle that makes splint is difficult for changing by oneself, thereby be favorable to among the centre gripping process splint and the rotation laminating of work piece surface, make its opposite sex work piece that is applicable to different forms more use.

3. This an anchor clamps structure for production of mechanical numerical control machine tool through the setting of connection pad, mounting disc, ring gear, guide way and sliding seat isotructure, rotates the ring gear, through the screw-thread fit of its bottom and sliding seat surface tooth's socket, can adjust the position of sliding seat in the guide way to can be according to the work piece of equidimension not, the holistic centre gripping scope of this anchor clamps of reasonable adjustment, and then the regulation under the different situation of being convenient for is used.

Drawings

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

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

FIG. 3 is a schematic view of the driving mechanism of the present invention;

FIG. 4 is a schematic view of a clamping mechanism according to the present invention;

FIG. 5 is a schematic cross-sectional view of a clamping mechanism according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 7 is a schematic view of the internal structure of the position-limiting housing of the present invention;

FIG. 8 is a schematic cross-sectional view of the clamp plate, rotation and limit housing of the present invention;

FIG. 9 is a schematic structural view of a first aspect of the present invention;

FIG. 10 is a schematic structural view of a second aspect of the present invention.

In the figure: 1. a base; 2. a housing; 3. a connecting disc; 4. mounting a disc; 5. a toothed ring; 6. a guide groove; 7. a through groove; 8. a limit bolt; 9. a movable seat; 10. a connecting seat; 11. an electric push rod; 12. connecting blocks; 13. rotating the rod; 14. a splint; 15. a limiting disc; 16. a limiting block; 17. a return spring; 18. a limiting shell; 19. an arc-shaped plate; 20. an arc-shaped ring; 21. a spring; 22. a drive motor; 23. a driving bevel gear; 24. a driven bevel gear; 25. a wind-up roll; 26. an L-shaped plate; 27. and pulling a rope.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.

Referring to fig. 1 to 10, the present invention provides a technical solution: a clamp structure for mechanical numerical control machine tool production comprises a base 1, a shell 2 is movably mounted at the center of the upper surface of the base 1 through a shaft seat, the shell 2 can rotate relative to the base 1, so that the clamping angle of a clamp plate 14 can be adjusted, adjustment and use under different special-shaped clamps are facilitated, a connecting disc 3 is fixedly connected to the upper surface of the shell 2, a mounting disc 4 is fixedly connected to the upper surface of the connecting disc 3, a toothed ring 5 is sleeved on the outer side of the mounting disc 4 in a sliding mode, guide grooves 6 are formed in the upper surface of the mounting disc 4, the number of the guide grooves 6 is four, the four guide grooves 6 are arranged on the surface of the mounting disc 4 in an annular array mode at equal intervals, the guide grooves 16 facilitate sliding of a movable seat 9, so that the plurality of clamp plates 14 can be driven to be adjusted synchronously through sliding of the movable seat 9, and the positions of the plurality of clamp plates 14 can be changed, the adjustment of different clamping ranges is achieved, the application range of the clamp is further enlarged, clamping mechanisms are connected inside the four guide grooves 6 in a sliding mode, a driving mechanism is fixedly connected to the inner bottom wall of the shell 2, through grooves 7 corresponding to the clamping mechanisms are formed in the surface of the connecting disc 3, the through grooves 7 are arc-shaped, smooth coatings are arranged on the surfaces of the through grooves 7 and used for reducing friction force when the through grooves are in contact with a pull rope 27, the through grooves 7 facilitate rolling and paying-off of the pull rope 27, limiting bolts 8 used for limiting the positions of the through grooves are connected to the surface of the shell 2 in a threaded mode, the positions of the clamping mechanisms can be limited and fixed by rotating the limiting bolts 8, the clamping mechanisms comprise movable seats 9 connected inside the guide grooves 6 in a sliding mode, connecting seats 10 are movably mounted on the upper surfaces of the movable seats 9 through pin shafts, and electric push rods 11 are fixedly connected to the upper surfaces of the connecting seats 10, the output end of the electric push rod 11 is fixedly connected with a connecting block 12, the surface of the connecting block 12 is fixedly connected with a rotating rod 13, and the surface of the rotating rod 13 is movably provided with a clamping plate 14 through a bearing.

The clamping mechanism further comprises a limiting disc 15 fixedly connected to one end of the rotating rod 13, a limiting block 16 is connected to the inside of the limiting disc 15 in a sliding mode, a reset spring 17 is fixedly connected to the surface of the limiting block 16, the limiting block 16 can be clamped in the limiting shell 18 through the reset spring 17, the angle of the clamping plate 14 is not prone to changing automatically under the condition of no external force, accordingly, the clamping mechanism is beneficial to the rotating and attaching of the clamping plate 14 and the surface of a workpiece in the clamping process, the clamping mechanism is more suitable for different-shape workpieces, when the rotating rod 13 is subjected to the external force, the limiting block 16 is partially moved inside the rotating rod 13 under the action of the rotating force, the limiting block 16 is not in contact with the limiting shell 18, the position of the clamping plate 14 is convenient to adjust, one end of the reset spring 17 is fixedly connected to the inside of the limiting disc 15, and the limiting shell 18 is clamped on the surface of the limiting block 16, the limiting shell 18 is fixedly connected to the surface of the clamping plate 14, the surface of the electric push rod 11 is fixedly connected with a pull rope 27, one side of the upper surface of the movable seat 9 is fixedly connected with an arc plate 19, the inner part of the arc plate 19 is connected with an arc ring 20 in a sliding manner, the surface of the arc plate 19 is fixedly connected with a spring 21, through the elastic force action of the spring 21, the electric push rod 11 can be limited when not in use, so that the electric push rod is kept in a vertical state, meanwhile, the electric push rod is convenient to rotate and reset after use, the next clamping and use are convenient, one end of the spring 21 is fixedly connected to the inner part of the arc plate 19, the arc ring 20 is fixedly connected to the surface of the connecting seat 10, the circle centers of the arc ring 20 and the arc plate 19 and the rotating point of the connecting seat 10 when rotating are on the same axis, the driving mechanism comprises a driving motor 22 fixedly connected to the inner bottom wall of the shell 2, and the output end of the driving motor 22 is fixedly connected with a driving bevel gear 23, the outer side of the driving bevel gear 23 is engaged with four driven bevel gears 24, the four driven bevel gears 24 are in equal-interval engagement with the surface of the driven bevel gear 24 in a rectangular array mode, one side of each of the four driven bevel gears 24 is fixedly connected with a winding roller 25 for winding a pull rope 27, one side of each winding roller 25 is movably provided with an L-shaped plate 26 through a shaft seat, each L-shaped plate 26 is fixedly connected to the lower surface of the connecting disc 3, each L-shaped plate 26 improves the stability of the plurality of winding rollers 25 during rotation and enables the plurality of winding rollers 25 not to shake easily, winding of the pull rope 27 is facilitated, one end of each pull rope 27 is fixedly connected to the surface of each winding roller 25, a winding groove matched with the pull rope 27 is formed in the surface of each winding roller 25, the winding groove facilitates winding of the pull rope 27 on the surface of each winding roller 25 during rotation of each winding roller 25, and a tooth groove matched with the tooth ring 5 is formed in the lower surface of the movable seat 8, the tooth socket facilitates the threaded matching of the movable seat 8 and the toothed ring 5.

The detailed description of the known functions and the known components is omitted in the embodiment of the disclosure, and in order to ensure the compatibility of the equipment, the adopted operation means are consistent with the parameters of the instruments on the market.

In summary, the operation steps of the clamp structure for the mechanical numerical control machine tool production are as follows;

1. when the special-shaped workpiece clamping device is used, a user places a workpiece in the middle of the upper surface of the connecting disc 3, rotates the shell 2 to drive the clamping plate 14 to move in a proper direction to the greatest extent at a position where the surface of the workpiece is relatively flat according to the concave-convex actual condition of the surface of the special-shaped workpiece, and then rotates the limiting bolt 8 to fix the workpiece;

2. the driving motor 22 is started to drive the driving bevel gear 23 to rotate, the driving bevel gear 23 is meshed with the driven bevel gear 24 to rotate, the winding roller 25 is enabled to wind the pull rope 27, the electric push rod 11 is driven to approach to a workpiece in the winding process of the pull rope 27, the arc-shaped ring 20 slides in the arc-shaped plate 19 in the rotating process of the electric push rod 11, the spring 21 is enabled to generate tensile deformation, after the electric push rod 11 rotates at a proper angle, the electric push rod 11 is started to enable the output end of the electric push rod 11 to drive the clamping plate 14 to move, when the clamping plate 14 contacts the surface of the workpiece, the clamping plate 14 performs corresponding angle transformation according to the actual condition of the surface of the workpiece, so that the clamping plate 14 is further attached to the surface of the workpiece, the clamping plates 14 are mutually abutted to the workpiece, so that the workpiece can be fixed on the surface of the connecting plate 3, and subsequent machining is facilitated;

3. the position of the movable seat 9 in the guide groove 6 can be adjusted by rotating the toothed ring 5 and matching the bottom of the toothed ring with the thread of the tooth groove on the surface of the movable seat 9, so that the clamping range formed by a plurality of clamping plates 14 can be reasonably adjusted according to workpieces with different sizes, and the adjustable movable seat is convenient to adjust under different conditions.

The above description is only a 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 within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept thereof are also within the scope of the present invention, wherein the standard parts used can be purchased from the market, and can be customized according to the description and the accompanying drawings, the concrete connection manner of each part adopts the conventional means of bolt, rivet, welding, etc. mature in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, and the structure and principle of the parts known to those skilled in the art can be known to those skilled in the art through the technical manual or through the conventional experimental method in the description of the present specification, the terms "connect", "mount", "fix", "set", and the like are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention or the invention can be understood according to specific situations.

Claims

1. The utility model provides a fixture structure for mechanical numerical control machine tool production, includes base (1), its characterized in that: the center of the upper surface of the base (1) is movably provided with a shell (2) through a shaft seat, the upper surface of the shell (2) is fixedly connected with a connecting disc (3), the upper surface of the connecting disc (3) is fixedly connected with a mounting disc (4), a toothed ring (5) is sleeved on the outer side of the mounting disc (4) in a sliding manner, guide grooves (6) are formed in the upper surface of the mounting disc (4), the number of the guide grooves (6) is four, clamping mechanisms are connected to the insides of the four guide grooves (6) in a sliding manner, a driving mechanism is fixedly connected to the inner bottom wall of the shell (2), through grooves (7) corresponding to the positions of the clamping mechanisms are formed in the surface of the connecting disc (3), limiting bolts (8) used for limiting the positions of the limiting bolts are connected to the surface of the shell (2) in a threaded manner, each clamping mechanism comprises a movable seat (9) connected to the inside of each guide groove (6) in a sliding manner, the upper surface of sliding seat (9) has connecting seat (10) through round pin axle movable mounting, the last fixed surface of connecting seat (10) is connected with electric putter (11), the output fixedly connected with connecting block (12) of electric putter (11), the fixed surface of connecting block (12) is connected with dwang (13), there is splint (14) on the surface of dwang (13) through bearing movable mounting.

2. The structure of a clamp for the production of mechanical numerical control machine tools according to claim 1, characterized in that: fixture still includes spacing dish (15) of fixed connection in dwang (13) one end, the inside sliding connection of spacing dish (15) has stopper (16), the fixed surface of stopper (16) is connected with reset spring (17).

3. The structure of a clamp for the production of mechanical numerical control machine tools according to claim 2, characterized in that: the surface joint of stopper (16) has spacing shell (18), spacing shell (18) fixed connection is in the surface of splint (14), the fixed surface of electric putter (11) is connected with stay cord (27).

4. A structure of a clamp for the production of a mechanical numerical control machine according to claim 3, characterized in that: one side fixedly connected with arc (19) of sliding seat (9) upper surface, the inside sliding connection in arc ring (20) of arc (19), the fixed surface of arc (19) is connected with spring (21).

5. A structure of a clamp for the production of a mechanical numerical control machine according to claim 3, characterized in that: the driving mechanism comprises a driving motor (22) fixedly connected to the inner bottom wall of the shell (2), and the output end of the driving motor (22) is fixedly connected with a driving bevel gear (23).

6. The structure of a clamp for the production of mechanical numerical control machine tools according to claim 5, characterized in that: driven bevel gears (24) are meshed with the outer sides of the driving bevel gears (23), and the number of the driven bevel gears (24) is four.

7. The structure of a clamp for the production of mechanical numerical control machine tools according to claim 6, characterized in that: four equal fixedly connected with in one side of driven bevel gear (24) is used for carrying out wind-up roll (25) of rolling to stay cord (12), there are L template (26) one side of wind-up roll (25) through axle bed movable mounting, L template (26) fixed connection is in the lower surface of connection pad (3).

8. The structure of a clamp for the production of mechanical numerical control machine tools according to claim 7, characterized in that: one end of the pull rope (27) is fixedly connected to the surface of the winding roller (25), a winding groove matched with the pull rope (27) is formed in the surface of the winding roller (25), and a tooth groove matched with the tooth ring (5) is formed in the lower surface of the movable seat (8).