阅读说明：本技术 一种带有回转式夹具组件的机床 (Machine tool with rotary clamp assembly ) 是由 耿联军 孙振 耿磊 于 2021-10-27 设计创作，主要内容包括：本发明涉及机械加工技术领域,公开了一种带有回转式夹具组件的机床,包括：工作台。转动台,转动连接在工作台上。夹持件,设置有若干,周向转动连接在转动台上表面,通过复位件向外转动复位,转动台的底部转动设置有转动轴,转动轴与夹持件之间通过传动件连接。第一电机,安装在工作台上,通过连接结构与转动轴连接,用于驱动转动轴转动。支撑架,固定连接在工作台上,支撑架上设置有加工组件,加工组件用于对放置在转动台上的工件进行加工。横向驱动件,与加工组件连接,用于加工组件横向移动。竖向驱动件,与加工组件连接,用于驱动加工组件竖向移动。以及控制器。通过转动轴和夹持件的配合,完成了工件的夹持自动转化为转动台的转动。(The invention relates to the technical field of machining, and discloses a machine tool with a rotary clamp assembly, which comprises: a work bench. The rotating platform is rotatably connected to the workbench. The holder is provided with a plurality ofly, and circumferential direction connects at the rotation bench surface, through the piece that resets outwards rotates and resets, rotates the bottom of platform and rotates and be provided with the axis of rotation, is connected through the driving medium between axis of rotation and the holder. The first motor is arranged on the workbench, is connected with the rotating shaft through a connecting structure and is used for driving the rotating shaft to rotate. The support frame, fixed connection is provided with the processing subassembly on the support frame on the workstation, and the processing subassembly is used for processing the work piece of placing on the revolving stage. And the transverse driving piece is connected with the processing assembly and is used for transversely moving the processing assembly. And the vertical driving piece is connected with the processing assembly and used for driving the processing assembly to vertically move. And a controller. Through the cooperation of the rotating shaft and the clamping piece, the clamping of the workpiece is automatically converted into the rotation of the rotating table.)

1. A machine tool having a rotary clamp assembly for holding and rotating a workpiece for machining, said machine tool comprising:

a work table;

the rotating table is rotatably connected to the workbench and used for placing the workpiece;

the clamping pieces are arranged in a plurality of numbers, are connected to the upper surface of the rotating table in a circumferential rotating mode and are reset by the reset pieces in an outward rotating mode, the rotating table is rotatably provided with a rotating shaft at the bottom, and the rotating shaft is connected with the clamping pieces through transmission pieces;

the first motor is arranged on the workbench, is connected with the rotating shaft through a connecting structure and is used for driving the rotating shaft to rotate;

the support frame is fixedly connected to the workbench, and a processing assembly is arranged on the support frame and used for processing a workpiece placed on the rotating table;

the transverse driving piece is connected with the processing assembly and is used for driving the processing assembly to transversely move;

the vertical driving piece is connected with the machining assembly and used for driving the machining assembly to vertically move;

the controller is used for controlling the first motor to drive the rotating shaft to rotate and drive the clamping piece to rotate; the clamping piece rotates to clamp and position the workpiece placed on the rotating table; the rotating shaft drives the rotating table to rotate; the transverse driving piece drives the machining assembly to transversely move, and the radial machining position of the machining assembly is adjusted; the vertical driving piece drives the machining assembly to lift, and machining depth is adjusted.

2. The machine tool with the rotary fixture assembly as claimed in claim 1, wherein the four corners of the bottom of the worktable are provided with support legs, and the bottoms of the support legs are fixedly connected with backing plates.

3. The machine tool with the rotary fixture assembly of claim 1, wherein the transmission member comprises a driving gear and a driven gear, the driving gear is coaxially and fixedly connected with the rotating shaft, the driven gear is coaxially and fixedly connected with the clamping member, the driven gear is engaged with the driving gear, the friction force of the rotating shaft is smaller than the rotation friction force of the driven gear, and the rotation friction force of the driven gear is smaller than the rotation friction force of the rotating table.

4. The rotary jig apparatus as claimed in claim 3, wherein the rotary table is provided with a first housing, and the first housing covers the driven gear and the driving gear.

5. The machine tool with the rotary clamp assembly as claimed in claim 1, wherein the connecting structure comprises a driven gear and a driving pulley, the driven gear is coaxially and fixedly connected with the rotating shaft, the driving pulley is coaxially and fixedly connected with the output shaft of the first motor, and the driven gear and the driving pulley are connected through a belt.

6. The rotary jig apparatus as claimed in claim 5, wherein a second housing is provided on the table to cover the driven gear and the driving pulley.

7. The machine tool with the rotary clamp assembly according to claim 1, wherein the transverse driving member comprises a sliding groove, a sliding block, a screw rod and a second motor, the supporting frame is provided with the sliding groove, the sliding block is slidably arranged inside the sliding groove, the screw rod is rotatably arranged inside the sliding groove, the sliding block is nested on the screw rod in a matching manner, the vertical driving member is installed on the sliding block, and one end of the screw rod is coaxially and fixedly connected with an output shaft of the second motor.

8. The machine tool with the rotary clamp assembly according to any one of claims 1 to 7, wherein the clamping member comprises a rotating rod, a clamping rod and a clamping plate, the rotating rod is rotatably connected to the upper surface of the rotating table, the rotating rod is coaxially and fixedly connected with the driven gear, the top of the rotating rod is fixedly connected to one end of the clamping rod, the other end of the clamping rod is rotatably connected to the rotating rod, one end of the rotating rod is connected to the clamping plate, and the rotating rod rotates to drive the clamping rod to rotate.

9. The machine tool with the rotary fixture assembly as claimed in claim 8, wherein a connecting rod is fixedly connected to one end of the rotating rod, a protrusion is connected to the lower end of the connecting rod, a guide groove is formed in the upper surface of the rotating table, the protrusion is slidably nested in the guide groove, the clamping rod rotates, and the rotating wheel slides in the guide groove, so that the rotating rod faces the center of the workpiece.

10. The rotary clamp assembly as claimed in claim 9, wherein a spring is disposed between the clamp plate and the rotating rod.

Technical Field

The invention relates to the technical field of machining, in particular to a machine tool with a rotary clamp assembly.

Background

With the development of science and technology and the progress of society, the use of various modern devices in life can be seen most obviously, and the development of science and technology is unavailable. Machine tools are machines for machining metal blanks into machine parts, which are machines for manufacturing machines, and are also called machine tools or machine tools, and are conventionally called machine tools for short. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. When some circular parts are machined, a workpiece needs to be machined in a rotating mode, the parts need to be positioned before machining and then fixed manually, and the fixing operation is complex.

Disclosure of Invention

In order to solve the above technical problem, the present invention provides a machine tool with a rotary jig assembly for clamping and rotating a workpiece for machining, the machine tool with the rotary jig assembly comprising:

a work table;

the rotating table is rotatably connected to the workbench and used for placing the workpiece;

the clamping pieces are arranged in a plurality of numbers, are connected to the upper surface of the rotating table in a circumferential rotating mode and are reset by the reset pieces in an outward rotating mode, the rotating table is rotatably provided with a rotating shaft at the bottom, and the rotating shaft is connected with the clamping pieces through transmission pieces;

the first motor is arranged on the workbench, is connected with the rotating shaft through a connecting structure and is used for driving the rotating shaft to rotate;

the support frame is fixedly connected to the workbench, and a processing assembly is arranged on the support frame and used for processing a workpiece placed on the rotating table;

the transverse driving piece is connected with the processing assembly and is used for driving the processing assembly to transversely move;

the vertical driving piece is connected with the machining assembly and used for driving the machining assembly to vertically move;

the controller controls the first motor to drive the rotating shaft to rotate and drive the clamping piece to rotate, and the clamping piece rotates to clamp and position a workpiece placed on the rotating table; the rotating shaft drives the rotating table to rotate; the transverse driving piece drives the machining assembly to transversely move, and the radial machining position of the machining assembly is adjusted; the vertical driving piece drives the machining assembly to lift, and machining depth is adjusted.

Preferably: supporting legs are arranged at four corners of the bottom of the workbench, and base plates are fixedly connected to the bottoms of the supporting legs.

Preferably: the transmission part comprises a driving gear and a driven gear, the driving gear is coaxially and fixedly connected with the rotating shaft, the driven gear is coaxially and fixedly connected with the clamping piece, the driven gear is meshed with the driving gear, the friction force of the rotating shaft is smaller than the rotating friction force of the driven gear, and the rotating friction force of the driven gear is smaller than the rotating friction force of the rotating platform.

Preferably: the rotating table is provided with a first cover casing, and the driven gear and the driving gear are covered in the first cover casing.

Preferably: the connecting structure comprises a driven gear and a driving belt pulley, the driven gear is fixedly connected with the rotating shaft in a coaxial mode, the driving belt pulley is fixedly connected with the output shaft of the first motor in a coaxial mode, and the driven gear is connected with the driving belt pulley through a belt.

Preferably: the workbench is provided with a second cover shell, and the driven gear and the driving belt pulley are covered by the second cover shell.

Preferably: the transverse driving piece comprises a sliding groove, a sliding block, a screw rod and a second motor, the sliding groove is formed in the support frame, the sliding block is arranged in the sliding groove in a sliding mode, the screw rod rotates to be arranged in the sliding groove, the sliding block is nested on the screw rod in a matching mode, the vertical driving piece is installed on the sliding block, and one end of the screw rod is fixedly connected with the output shaft of the second motor in a coaxial mode.

Preferably: the holder include dwang, supporting rod and grip block, the dwang rotates to be connected at the upper surface of revolving stage, dwang and the coaxial fixed connection of driven gear, the one end of the top fixed connection supporting rod of dwang, the other end of supporting rod rotates and is connected with the dwang, the one end of dwang is connected with the grip block, the dwang rotates and drives the supporting rod and rotate.

Preferably: the one end fixedly connected with connecting rod of dwang, the lower extreme of connecting rod is connected with the protrusion, and the guide way has been seted up to the upper surface of revolving stage, and the protrusion slides the nestification in the inside of guide way, and the supporting rod rotates, rotates the inside slip of wheel at the guide way, makes the dwang put towards the central point of work piece.

Preferably: and a spring is arranged between the clamping plate and the rotating rod.

The invention has the technical effects and advantages that: through the cooperation of axis of rotation and holder, accomplished the centre gripping of work piece, the centre gripping is accomplished the back and has realized the rotation of revolving stage, realizes work piece centre gripping, pivoted order linkage operation, has avoided manual centre gripping to automatic conversion has been realized. The clamping and rotating operation is completed through one motor, so that the device is simple in structure, the production and manufacturing cost is reduced, the sequential linkage operation is realized, and the structural energy is saved.

Drawings

Fig. 1 is a schematic perspective view of a machine tool with a rotary clamp assembly according to the present invention.

Fig. 2 is a schematic top view of a machine tool with a rotary clamping assembly according to the present invention.

Fig. 3 is a schematic bottom view of a machine tool with a rotary clamping assembly according to the present invention.

Fig. 4 is a partial sectional structural view of the section a in fig. 2.

Fig. 5 is a schematic perspective view of a clamping member of a machine tool with a rotary clamp assembly according to the present invention.

Description of reference numerals: the automatic clamping device comprises a workbench 1, supporting legs 2, a rotating table 3, a clamping piece 4, a workpiece 5, a machining assembly 6, a supporting frame 7, a transverse driving piece 9, a driving belt pulley 10, a driven gear 11, a driving gear 12, a driven gear 13, a first motor 14, a vertical driving piece 15, a sliding groove 16, a sliding block 17, a screw rod 18, a second motor 19, a rotating rod 20, a clamping rod 21, a rotating rod 22, a clamping plate 23, a spring 24, a rubber pad 25, a connecting rod 26 and a rotating wheel 27.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 4, in the present embodiment, a machine tool with a rotary clamp assembly is provided for clamping and rotating a workpiece 5 for machining, the machine tool with the rotary clamp assembly includes: the working table 1, the rotating table 3, the processing assembly 6, a transmission piece and a first motor 14.

Workstation 1 forms supporting platform, and the bottom four corners of workstation 1 is provided with supporting leg 2, and supporting leg 2's bottom fixedly connected with backing plate, supporting leg 2 support workstation 1 to appointed height, and the setting of backing plate has increased the stability that supporting leg 2 supported. The base plate is provided with through holes, and the support legs 2 are fixed conveniently through screws due to the through holes, so that the machine tool is fixed.

The rotating platform 3 is rotatably connected to the workbench 1, the rotating platform 3 is of a cylindrical structure, and the workpiece 5 is placed conveniently due to the arrangement of the rotating platform 3. The upper surface of the rotating table 3 is provided with a plurality of clamping pieces 4 in a circumferential rotating manner, and the clamping pieces 4 rotate outwards through the reset pieces and are limited at specific positions. The clamping piece 4 can be connected with a tension spring, and the tension spring enables the clamping piece 4 to rotate outwards, so that the workpiece 5 can be conveniently released. When the clamping piece 4 rotates to a certain position, the clamping piece 4 stops rotating, and the clamping piece 4 is prevented from rotating beyond the range. The bottom of the rotating table 3 is rotatably provided with a rotating shaft, and a transmission part is arranged between the rotating shaft and the clamping piece 4. Referring to fig. 3, the transmission part may include a driving gear 12 and a driven gear 11, the driving gear 12 is coaxially and fixedly connected with the rotation shaft, the driven gear 11 is coaxially and fixedly connected with the clamping member 4, the driven gear 11 is engaged with the driving gear 12, so as to complete the driving of the clamping member 4, and of course, the driving gear may be connected with the driving gear 12 through a belt, and the axial thickness increase is avoided by the cooperation of the driven gear 11 and the driving gear 12. The frictional force of the rotating shaft is smaller than the rotational frictional force of the driven gear 11, and the rotational frictional force of the driven gear 11 is smaller than the rotational frictional force of the rotating table 3, thereby completing the sequential rotating operation. The rotating table 3 can be provided with a first cover, the driven gear 11 and the driving gear 12 are covered by the first cover, so that transmission obstruction caused by the fact that sundries enter between the driven gear 11 and the driving gear 12 is avoided, and meanwhile, the safety of the machine tool is improved.

And the first motor 14 is arranged on the workbench 1, is connected with the rotating shaft through a connecting structure and is used for driving the rotating shaft to rotate. The connecting structure can comprise a driven gear 13 and a driving pulley 10, wherein the driven gear 13 is fixedly connected with the rotating shaft in a coaxial mode, the driving pulley 10 is fixedly connected with the output shaft of the first motor 14 in a coaxial mode, and the driven gear 13 is connected with the driving pulley 10 through a belt, so that transmission is achieved. The second cover shell is arranged on the workbench 1, the driven gear 13 and the driving belt pulley 10 are covered by the second cover shell, the situation that sundries enter the space between the belt and the driven gear 13 and between the belt and the driving belt pulley 10 to influence transmission is avoided, and meanwhile, the safety of the machine tool is improved.

Support frame 7, fixed connection is provided with processing subassembly 6 on support frame 7 on the workstation 1, and processing subassembly 6 can be for polishing wheel, drilling spare, turning, milling head etc.. The support frame 7 may be of an L-shaped configuration so that the processing assembly 6 is above the turntable 3. The machining assembly 6 is used for machining the workpiece 5 placed on the rotating table 3. The transverse driving piece 9 is connected with the processing assembly 6 and used for transversely moving the processing assembly 6, and the vertical driving piece 15 is connected with the processing assembly 6 and used for driving the processing assembly 6 to vertically move.

The transverse driving piece 9 comprises a sliding groove 16, a sliding block 17, a screw rod 18 and a second motor 19, the sliding groove 16 is formed in the support frame 7, the sliding block 17 is arranged in the sliding groove 16 in a sliding mode, the screw rod 18 rotates to be arranged inside the sliding groove 16, the sliding block 17 is nested on the screw rod 18 in a matching mode, and the vertical driving piece 15 is installed on the sliding block 17. One end of the screw 18 is coaxially and fixedly connected with an output shaft of a second motor 19, and the screw 18 rotates under the driving of the second motor 19, so that the sliding block 17 is driven to rotate in the sliding groove 16, and the transverse position of the machining assembly 6 is adjusted. Vertical driving piece 15 can be hydraulic stem, electric telescopic handle, pneumatic stem etc. and 15 one end of vertical driving piece are connected on transverse driving piece 9, and the other end is connected on processing subassembly 6 to can drive processing subassembly 6 and go up and down.

And the controller is electrically connected with the processing assembly 6, the transverse driving piece 9, the vertical driving piece 15 and the first motor 14. The controller controls the first motor 14 to rotate, the first motor 14 drives the rotating shaft to rotate through the connecting structure, the rotating shaft drives the clamping piece 4 to rotate through the transmission piece, and the clamping piece 4 rotates to clamp and position the workpiece 5 placed on the rotating table 3 at the middle position of the rotating table 3. When the holding member 4 cannot rotate, the rotating shaft cannot rotate relative to the rotating table 3. The rotating shaft drives the rotating table 3 to rotate, and the second motor 19 drives the machining assembly 6 to move transversely, so that the radial position of machining of the machining assembly 6 is adjusted. The controller controls the vertical driving piece 15 to drive the machining assembly 6 to ascend and descend, so that the machining depth is adjusted. The rotating table 3 rotates to complete the rotating machining of the workpiece 5. The clamping of the workpiece 5 is completed through the matching of the rotating shaft and the clamping piece 4, and the rotation of the rotating table 3 is realized after the clamping is completed, so that the rotation processing is realized. The sequential linkage operation of clamping and rotating the workpiece 5 is realized through the arranged friction sequencing, so that the manual clamping is avoided, and the automatic conversion is realized. The clamping and rotating operation is completed through the first motor 14, so that the device is simple in structure, the production and manufacturing cost is reduced, the sequential linkage operation is realized, and the structural energy is saved.

Example 2

Referring to fig. 5, the holder 4 include dwang 20, clamping rod 21 and grip block 23, dwang 20 rotates the upper surface of connection at the revolving stage 3, dwang 20 and the coaxial fixed connection of driven gear 11, the top fixed connection of dwang 20 is in the one end of clamping rod 21, the other end of clamping rod 21 rotates and is connected with dwang 22, the one end of dwang 22 is connected with grip block 23, dwang 22 rotates and drives clamping rod 21 and rotate, thereby drive grip block 23 removes and grasps work piece 5, thereby be convenient for the fixed of work piece 5. The one end fixedly connected with connecting rod 26 of dwang 22, the lower extreme of connecting rod 26 is connected with the protrusion, and the guide way has been seted up to the upper surface of revolving stage 3, and the protrusion slides nestedly in the inside of guide way, and supporting rod 21 rotates, rotates wheel 27 and slides in the inside of guide way, makes dwang 22 towards the central point of work piece 5 and puts to the centre gripping of grip block 23 of being convenient for. The protrusion may be a rotating lever, a rotating wheel 27, a ball, etc. A spring 24 is arranged between the clamping plate 23 and the rotating rod 22, and the spring 24 enables the clamping plate 23 to be connected in a rotating mode at a fixed angle, so that the stability of clamping angle positioning of the clamping plate 23 is improved. The rubber pads 25 are arranged on the clamping surfaces of the clamping plates 23, and the rubber pads 25 are arranged to increase the clamping stability of the clamping plates 23.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.