CN214920612U

CN214920612U - Lathe fixture with special-shaped workpiece clamping function

Info

Publication number: CN214920612U
Application number: CN202121270648.2U
Authority: CN
Inventors: 孟庆玲; 李雷
Original assignee: Anhui Dongchuang Electromechanical Technology Co ltd
Current assignee: Anhui Dongchuang Electromechanical Technology Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-30
Anticipated expiration: 2031-06-08

Abstract

The application relates to the technical field of numerical control lathes, and discloses a lathe fixture with a function of clamping a special-shaped workpiece, which comprises a support and an annular frame, wherein the annular frame is provided with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a clamping block, the inner side of the clamping block is embedded with a movable rod used for controlling the hydraulic cylinder to move or not, the tail end of the movable rod is elastically connected with the clamping block through an extrusion spring, a collecting cover is arranged above the support, and a leakage net is rotatably connected above the collecting cover, the annular frame is arranged on the support, the hydraulic cylinder is arranged on the annular frame, the movable rod which is embedded in the clamping block to slide is utilized to contact with the workpiece, the movable rod slides into the clamping block, the contact block is contacted with a conducting strip, so that the position of the hydraulic cylinder is controlled, and the clamping effect on the special-shaped workpiece is realized, and the preprocessing position of the special-shaped workpiece can be conveniently controlled, and the practicability of the device is improved.

Description

Lathe fixture with special-shaped workpiece clamping function

Technical Field

The application relates to the field of numerical control lathes, in particular to a lathe fixture with a function of clamping special-shaped workpieces.

Background

The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting tool is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like.

When the numerical control lathe is used for processing a workpiece, the workpiece is clamped by the clamp, but the clamp of the existing clamp to a non-standard part is poor in applicability, so that the position for clamping the part is not beneficial to processing, the existing clamp needs to be improved to a certain degree, and the clamping effect is improved.

In view of the above-mentioned related technologies, the inventor believes that the existing lathe clamping piece has a defect of poor clamping effect on non-standard parts.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem provided above, the present application provides a turning attachment with function is got to heterotypic work piece clamp.

The application provides a turning attachment with function is got to heterotypic work piece clamp adopts following technical scheme:

the utility model provides a turning attachment with function is got to heterotypic work piece clamp, includes the support, be provided with the annular frame on the support, and support outside bolt fixedly connected with and annular frame one side fixed connection's a driving motor, annular array has the pneumatic cylinder on the annular frame, and the output fixedly connected with grip block of pneumatic cylinder, the inboard sliding embedding of grip block has the movable rod that is used for controlling whether the pneumatic cylinder moves, and the end of movable rod passes through elastic connection between extrusion spring and the grip block, the top of support is provided with collects the cover, and the top of collecting the cover rotates and is connected with the hourglass net.

Through adopting above-mentioned technical scheme, inside the movable rod slided into the grip block, restricted the activity of pneumatic cylinder to guarantee that the grip block removes to the equidistant position department in the special-shaped workpiece outside, the going on of the follow-up centre gripping of being convenient for, the hourglass net is used for accepting the piece, and carries out the solid-liquid separation operation.

Preferably, the tail end of the movable rod is fixedly connected with a contact block, the clamping block is in sliding embedded connection with a conducting strip at the tail end of a sliding groove of the contact block, and the conducting strip is electrically connected with the contact block.

Through adopting above-mentioned technical scheme, when the contact between contact block and the conducting strip, the control circuit of disconnection pneumatic cylinder to position at present to the pneumatic cylinder is stabilized, guarantees that the grip block is located equidistant position in the special-shaped workpiece outside.

Preferably, a second driving motor is arranged below the middle position of the support, an electric telescopic rod fixedly connected with the second driving motor is arranged below the second driving motor, a connecting rod is fixedly connected with the output end of the second driving motor, the connecting rod is embedded in the center of the support in a sliding mode, and a limiting block is arranged at the top end of the connecting rod in an annular array mode.

Through adopting above-mentioned technical scheme, second driving motor passes through the radial spacing between connecting rod and the support, makes it can transmit the support in radial ascending direction to change the angle of anchor clamps.

Preferably, the collecting cover is arranged on the outer side of the perforated net in a wrapping mode, the middle position of the collecting cover is arranged in an inclined mode towards the outer side, the central position of the collecting cover is in sliding connection with the connecting rod, and the collecting cover is fixedly connected with the support.

Through adopting above-mentioned technical scheme, collect the cover and be used for collecting the coolant liquid that leaks to the hourglass net to carry to outside processing mechanism.

Preferably, the central position of the screen is fixedly connected with an intermediate block, the inner side of the intermediate block is provided with a limiting groove, the limiting groove and the connecting rod are matched in a sliding and embedding manner, and the limiting groove and the connecting rod are radially limited.

By adopting the technical scheme, the limit groove in the middle block of the leaking net is in butt joint with the connecting rod, so that the second driving motor can drive the leaking net, and the leaking net can move centrifugally.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the annular frame is arranged on the support, the hydraulic cylinder is arranged on the annular frame, the movable rod is made to slide into the clamping block by utilizing the contact between the movable rod embedded in the clamping block and the workpiece, and the contact block is in contact with the conducting strip, so that the position of the hydraulic cylinder is controlled, the clamping effect on the special-shaped workpiece is realized, the preprocessing position of the special-shaped workpiece can be conveniently controlled, and the practicability of the device is improved;

2. through set up the hourglass net on the support for to clastic accepting, the hourglass net is used for the separation to piece and coolant liquid, utilizes joint between electric telescopic rod transmission connecting rod and the spacing groove, accomplishes the transmission to the hourglass net, when leaking the net and rotate, utilizes the effect of centrifugal force, peels off coolant liquid from the piece, convenient completion solid-liquid separation operation.

Drawings

FIG. 1 is a schematic top view of an embodiment of the present application.

FIG. 2 is a schematic sectional view at A of the application example.

FIG. 3 is a schematic diagram of the structure of the application in vertical section and front view.

Fig. 4 is an enlarged schematic structural diagram at B of the application example.

Description of reference numerals: 1. a support; 2. an annular frame; 3. a hydraulic cylinder; 4. a first drive motor; 5. a collection hood; 6. a leakage net; 7. a middle block; 701. a limiting groove; 8. a clamping block; 9. a movable rod; 10. a compression spring; 11. a contact block; 12. a conductive sheet; 13. a second drive motor; 1301. a connecting rod; 14. an electric telescopic rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses turning attachment with function is got to heterotypic work piece clamp. Referring to fig. 1 and 2, a lathe fixture with a function of clamping a special-shaped workpiece comprises a support 1, wherein an annular frame 2 is arranged on the support 1, a first driving motor 4 fixedly connected with one side of the annular frame 2 through a bolt is fixedly connected to the outer side of the support 1, the axis of the first driving motor 4 and the diameter of the top view surface of the annular frame 2 are arranged in a collinear manner, a hydraulic cylinder 3 is arranged on the annular frame 2 in an annular array manner, a clamping block 8 is fixedly connected to the output end of the hydraulic cylinder 3, a movable rod 9 used for controlling the hydraulic cylinder 3 to move or not is embedded in the inner side of the clamping block 8 in a sliding manner, when a contact block 11 at the tail end of the movable rod 9 is in contact with a conducting strip 12, the hydraulic cylinder 3 stops moving, otherwise, the hydraulic cylinder 3 continuously extends, the tail end of the movable rod 9 is elastically connected with the clamping block 8 through an extrusion spring 10, and the elasticity of the extrusion spring 10 is smaller than the friction force between the workpiece and a supporting rod on the inner side of the annular frame 2, guarantee that extrusion spring 10 and movable rod 9 can not promote the position of work piece, the terminal fixedly connected with contact block 11 of

movable rod

9, and 8 cunning scarf joint contact block 11's the terminal fixedly connected with conducting strip 12 of spout to electric connection between conducting strip 12 and the contact block 11, electric connection between the control circuit of contact block 11 and conducting strip 12 all and pneumatic cylinder 3 realizes the convenient control to pneumatic cylinder 3.

Referring to fig. 3, the top of support 1 is provided with collects cover 5, and the top of collecting cover 5 is rotated and is connected with the hourglass net 6, collect cover 5 package and locate the outside of leaking net 6, and the intermediate position of collecting cover 5 inclines to the outside and sets up, guarantee that the coolant liquid that drips at the intermediate position flows to the outside by the centre, and collect sliding connection between the central point of cover 5 and the connecting rod 1301, guarantee that the connecting rod 1301 can pass and collect and dock between the central point of cover 5 and the spacing groove 701, collect fixed connection between cover 5 and the support 1, guarantee to collect the position stability of cover 5.

Referring to fig. 3 and 4, a second driving motor 13 is disposed below the middle position of the bracket 1, an electric telescopic rod 14 fixedly connected to the second driving motor 13 is disposed below the second driving motor 13, the electric telescopic rod 14 is used for transmitting the axial position of the connecting rod 1301 so as to convey the limiting block at the top end thereof to the limiting groove 701 or the middle position of the bracket 1, a connecting rod 1301 is fixedly connected to the output end of the second driving motor 13, the connecting rod 1301 is slidably inserted into the center position of the bracket 1, the limiting block is annularly arrayed at the top end of the connecting rod 1301, a middle block 7 is fixedly connected above the center position of the screen 6, a limiting groove 701 is formed on the inner side of the middle block 7, the limiting groove 701 and the limiting block are correspondingly shaped, the limiting groove 701 and the connecting rod 1301 are slidably inserted and matched, the radial limiting between the limiting groove 701 and the connecting rod 1301 is achieved by the radial limiting between the limiting groove and the connecting rod 701, the second driving motor 13 can drive the leakage net 6, and the position of the leakage net 6 is fixed through the top end of the collecting cover 5, so that the axial displacement and the radial displacement are avoided.

The implementation principle of the lathe fixture with the function of clamping the special-shaped workpiece is as follows: placing a special-shaped workpiece on a support rod in the middle of an annular frame 2, starting a hydraulic cylinder 3 to extend forwards, enabling a movable rod 9 on the inner side of a clamping block 8 to be in contact with the workpiece firstly, enabling the movable rod 9 to slide towards the inner side of the clamping block 8, enabling the corresponding hydraulic cylinder 3 to stop moving when a contact block 11 is in contact with a conducting strip 12, and controlling all the hydraulic cylinders 3 to synchronously move forwards for the same distance by a controller when all the hydraulic cylinders 3 stop moving, so that the clamping force of all the clamping blocks 8 on the workpiece is ensured to be the same, further, the processing position of the workpiece can be preselected, and the adjustment of the processing angle is realized by the transmission of a first driving motor 4 and a second driving motor 13 on a support 1 and the annular frame 2; the electric telescopic rod 14 is started to extend, the connecting rod 1301 on the second driving motor 13 is inserted into the limiting groove 701 of the middle block 7, the second driving motor 13 rotates to drive the leakage net 6, the leakage net 6 supports the processing chips above, meanwhile, the cooling liquid and the like enter the collecting cover 5 through the connecting rod, the cooling liquid is recovered through the collecting cover 5, the rotating leakage net 6 has a certain centrifugal effect on the chips inside, the rotating leakage net 6 drives the chips to the periphery of the leakage net 6 and throws out the cooling liquid inside the leakage net, and the separation operation between the two is completed, so that the good recovery effect on the cooling liquid is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a turning attachment with function is got to heterotypic work piece clamp, includes support (1), be provided with annular frame (2) on support (1), and support (1) outside bolt fixedly connected with and annular frame (2) one side fixed connection's first driving motor (4), its characterized in that: the hydraulic cylinder (3) is arranged on the annular frame (2) in an annular array mode, the clamping block (8) is fixedly connected with the output end of the hydraulic cylinder (3), a movable rod (9) used for controlling the hydraulic cylinder (3) to move or not is embedded in the inner side of the clamping block (8) in a sliding mode, the tail end of the movable rod (9) is connected with the clamping block (8) in an elastic mode through an extrusion spring (10), a collection cover (5) is arranged above the support (1), and a leakage net (6) is connected to the upper portion of the collection cover (5) in a rotating mode.

2. The lathe fixture with the function of clamping the special-shaped workpiece as claimed in claim 1, wherein: the terminal fixedly connected with contact block (11) of movable rod (9), and terminal fixedly connected with conducting strip (12) of spout that clamping block (8) cunning scarf joint contact block (11) to electric connection between conducting strip (12) and contact block (11).

3. The lathe fixture with the function of clamping the special-shaped workpiece as claimed in claim 1, wherein: the lower portion of the middle position of the support (1) is provided with a second driving motor (13), an electric telescopic rod (14) fixedly connected with the second driving motor is arranged below the second driving motor (13), the output end of the second driving motor (13) is fixedly connected with a connecting rod (1301), the connecting rod (1301) is embedded in the center of the support (1) in a sliding mode, and the top end of the connecting rod (1301) is annularly arrayed with a limiting block.

4. The lathe fixture with the function of clamping the special-shaped workpiece as claimed in claim 1, wherein: the outer side of the perforated net (6) is covered with the collecting cover (5), the middle position of the collecting cover (5) is inclined outwards, the central position of the collecting cover (5) is connected with the connecting rod (1301) in a sliding mode, and the collecting cover (5) is fixedly connected with the support (1).

5. The lathe fixture with the function of clamping the special-shaped workpiece as claimed in claim 4, wherein: the central position of leaking net (6) top fixedly connected with intermediate block (7), and the inboard of intermediate block (7) has seted up spacing groove (701), sliding fit between spacing groove (701) and connecting rod (1301) just radially spacing between spacing groove (701) and connecting rod (1301).