CN211029123U

CN211029123U - Workpiece clamping mechanism of efficient mechanical lathe

Info

Publication number: CN211029123U
Application number: CN201921934557.7U
Authority: CN
Inventors: 何琦; 何立; 朱鹏英; 黄云飞
Original assignee: Zhejiang information engineering school
Current assignee: Zhejiang information engineering school
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-17
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a high-efficient mechanical lathe's work piece fixture relates to and adds and holds the mechanism field, including the bottom plate, the middle part fixedly connected with backup pad of bottom plate upper surface, the through-hole has been seted up at the top of backup pad one side, and the inner chamber of through-hole rotates and has cup jointed the main shaft, and the fluting has been seted up to one side of main shaft, and the slider has been cup jointed in the sliding of grooved inner chamber, and the screw rod has been cup jointed to the internal thread of slider, and the bottom and the main shaft of screw rod rotate to be connected, and one side of slider is provided. The utility model discloses utilize clamping device's mode of setting, clamping device and slider fixed connection, the work piece can be fixed on clamping device, through rotating the screw rod, just can make the slider remove to make clamping device remove, thereby reach eccentric pivoted purpose, and only need transfer once, alright repeated processing with the size work piece, thereby improve the efficiency of work piece processing.

Description

Workpiece clamping mechanism of efficient mechanical lathe

Technical Field

The utility model relates to a fixture technical field especially relates to a high-efficient mechanical lathe's work piece fixture.

Background

In the field of machining, a workpiece needs a plurality of machining and detection procedures from a blank to a finished product, and the machining procedures comprise cutting, drilling and the like of a front process and polishing, grinding, wire drawing and the like of a rear process; the detection step includes detection of the size, hardness, and the like of the machined workpiece. No matter be in manufacturing procedure or detecting the process, all will carry out effectual centre gripping and fixed just can carry out corresponding operation to the work piece, but current rotation fixture when carrying out eccentric rotation to the work piece, need adjust splint just can press from both sides work piece eccentric positioning tight, and the work piece location is accurate inadequately, often need to its repeated adjustment just can the accurate positioning and fix it machining efficiency hangs down.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a high-efficient mechanical lathe's work piece fixture utilizes clamping device's mode of setting up, and clamping device and slider fixed connection, work piece can be fixed on clamping device, through rotating the screw rod, just can make the slider remove to make clamping device remove, thereby reach eccentric pivoted purpose, and only need move once, alright repeated processing with the size work piece, thereby improve the efficiency of work piece processing.

The purpose of the utility model is realized by adopting the following technical scheme:

A workpiece clamping mechanism of a high-efficiency mechanical lathe comprises a bottom plate, wherein a supporting plate is fixedly connected to the middle of the upper surface of the bottom plate, a through hole is formed in the top of one side of the supporting plate, a main shaft is rotatably sleeved in an inner cavity of the through hole, a groove is formed in one side of the main shaft, a sliding block is slidably sleeved in the inner cavity of the groove, a screw is sleeved in the inner thread of the sliding block, the bottom of the screw is rotatably connected with the main shaft, a clamping device is arranged on one side of the sliding block, and a cutting knife main body is arranged on one side; the middle part fixedly connected with motor of bottom plate upper surface one side, the output transmission of motor is connected with first gear, the fixed cover of one end of main shaft outer wall has connect the second gear, just first gear is connected with the meshing of second gear.

Through adopting above-mentioned technical scheme, can carry out position adjustment to clamping device, the work piece of being convenient for presss from both sides tightly. The motor can provide power for the first gear and the second gear.

Furthermore, a limiting groove is formed in the outer wall of the main shaft, a limiting sleeve ring is sleeved in an inner cavity of the limiting groove in a sliding mode, the outer wall of the limiting sleeve ring is located in an inner cavity of the through hole, a first bolt is sleeved in the middle of the upper surface of the supporting plate in a threaded mode, and the bottom of the first bolt is attached to the limiting sleeve ring;

Through adopting above-mentioned technical scheme, spacing lantern ring and first bolt can be to main shaft position limit.

Furthermore, a rotating disc is fixedly connected to the top of the screw, clamping grooves are formed in two sides of the inner wall of each groove, clamping blocks are sleeved in inner cavities of the clamping grooves in a sliding mode, one sides of the clamping blocks are fixedly connected with the sliding blocks, second bolts are sleeved on the outer wall of the main shaft in a symmetrical threaded mode, and one ends of the second bolts are attached to the clamping blocks;

Through adopting above-mentioned technical scheme, fixture block and second bolt can be injectd the slider position to it is injectd clamping device position.

Furthermore, the clamping device comprises a sleeve, one end of the sleeve is fixedly connected with the sliding block, the other end of the sleeve is provided with three connecting grooves in an annular array and the like, a clamping plate is sleeved in an inner cavity of each connecting groove in a sliding mode, a plurality of clamping teeth are fixedly connected to the back face of the clamping plate at equal intervals, limiting rods are fixedly connected to two sides of the clamping plate, and the outer wall of each limiting rod is sleeved with the sleeve in a sliding mode;

Through adopting above-mentioned technical scheme, three splint can be processed the work piece of different shapes, improve its application scope.

Further, a bearing groove is formed in an inner cavity of the sleeve, a third gear is rotatably sleeved in the inner cavity of the bearing groove, the third gear is meshed with the clamping plate through a clamping tooth, a groove is formed in the sleeve, a fourth gear is rotatably sleeved in the inner cavity of the groove, and the fourth gear is meshed with the third gear;

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

The utility model discloses utilize clamping device's mode of setting, clamping device and slider fixed connection, the work piece can be fixed on clamping device, through rotating the screw rod, just can make the slider remove to make clamping device remove, thereby reach eccentric pivoted purpose, and only need transfer once, alright repeated processing with the size work piece, thereby improve the efficiency of work piece processing, and the second bolt can be to slider rigidity, improve its eccentric location's stability, avoid the work piece to add the clamping device and take place to remove man-hour.

Drawings

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

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

FIG. 3 is a schematic view of the internal structure of the sleeve according to the present invention;

Fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a main shaft; 4. a slider; 5. a screw; 6. a clamping device; 61. a sleeve; 62. a splint; 63. a third gear; 64. a groove; 65. a fourth gear; 66. a limiting rod; 7. a cutting knife main body; 8. a motor; 9. a first gear; 10. a second gear; 11. a limiting lantern ring; 12. a first bolt; 13. a turntable; 14. a card slot; 15. a clamping block; 16. and a second bolt.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

With reference to fig. 1-4, the utility model comprises a base plate 1, a support plate 2 is fixedly connected to the middle part of the upper surface of the base plate 1, a through hole is opened at the top of one side of the support plate 2, a main shaft 3 is sleeved to the inner cavity of the through hole in a rotating manner, a slot is opened at one side of the main shaft 3, a slider 4 is sleeved to the slotted inner cavity in a sliding manner, a screw 5 is sleeved to the inner thread of the slider 4, the bottom of the screw 5 is rotatably connected with the main shaft 3, a clamping device 6 is arranged at one side of the slider 4, a cutting knife main body 7 is arranged at one side of the upper surface of the base plate 1, a motor 8 is fixedly connected to the middle part of one side of the upper surface of the base plate 1, a first gear 9 is connected;

The outer wall of the main shaft 3 is provided with a limiting groove, an inner cavity of the limiting groove is sleeved with a limiting sleeve ring 11 in a sliding mode, the outer wall of the limiting sleeve ring 11 is located in an inner cavity of the through hole, a first bolt 12 is sleeved on the middle thread of the upper surface of the supporting plate 2, the bottom of the first bolt 12 is attached to the limiting sleeve ring 11, the top of the screw 5 is fixedly connected with a rotary table 13, the rotary table 13 can facilitate the rotation of the screw 5, clamping grooves 14 are formed in two sides of the inner wall of the groove, clamping blocks 15 are sleeved on the inner cavity of the clamping grooves 14 in a sliding mode, the positions of the sliding blocks 4 can be limited through the clamping blocks 15, one sides of the clamping blocks 15 are fixedly connected with the sliding blocks 4, second bolts;

The clamping device 6 comprises a sleeve 61, one end of the sleeve 61 is fixedly connected with the sliding block 4, the other end of the sleeve 61 is in an annular array and the like, three connecting grooves are formed in the inner cavity of each connecting groove in a sliding mode, a clamping plate 62 is sleeved on the inner cavity of each connecting groove in a sliding mode, a plurality of clamping teeth are fixedly connected to the back face of the clamping plate 62 at equal intervals, limiting rods 66 are fixedly connected to two sides of each clamping plate 62, the outer wall of each limiting rod 66 is sleeved on the sleeve 61 in a sliding mode, a bearing groove is formed in the inner cavity of the sleeve 61, a third gear 63 is sleeved on the inner cavity of the bearing groove in a rotating mode, the third gear 63 is meshed and connected with the clamping plate 62 through the clamping teeth, the three clamping plates 62 can synchronously move through the third gear 63, a groove 64 is formed in the sleeve 61, a rotating groove is formed in one side of the outer wall of the sleeve 61, under the action of no external force, the fourth gear 65 can limit the position of the third gear 63 to prevent the third gear from rotating to cause the workpiece to move and fall off, and the fourth gear 65 is meshed with the third gear 63;

The motor 8 is electrically connected with an external power supply through an external motor switch.

The utility model discloses a theory of operation:

When the clamping device works, a workpiece is firstly inserted into the sleeve 61, then a tool is inserted into the rotating groove and clamped with the fourth gear 65, then the fourth gear 65 rotates, the fourth gear 65 drives the third gear 63 to rotate, and the third gear 63 enables the three clamping plates 62 to synchronously move towards the circle center to clamp the workpiece;

After the workpiece is clamped, loosening the second bolt 16 according to the requirement of the workpiece, rotating the rotary table 13 to enable the screw rod 5 to rotate, lifting the sliding block 4, and fastening the second bolt 16 after the clamping device 6 is lifted for a certain position to limit the position of the sliding block 4;

After the position of the clamping device 6 is adjusted, a motor switch is turned on, the motor 8 is electrified to work, the main shaft 3 rotates by matching the first gear 9 with the second gear 10, the main shaft 3 drives a workpiece to eccentrically rotate through the clamping device 6, then the cutting knife main body 7 processes the workpiece, and after the processing is finished, the workpiece is dismounted, and the clamping step is repeated to process a plurality of workpieces with the same size.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a work piece fixture of high-efficient mechanical lathe, includes bottom plate (1), its characterized in that: the middle part of the upper surface of the bottom plate (1) is fixedly connected with a supporting plate (2), the top of one side of the supporting plate (2) is provided with a through hole, an inner cavity of the through hole is rotatably sleeved with a main shaft (3), one side of the main shaft (3) is provided with a slot, the inner cavity of the slot is slidably sleeved with a sliding block (4), an internal thread of the sliding block (4) is sleeved with a screw rod (5), the bottom of the screw rod (5) is rotatably connected with the main shaft (3), one side of the sliding block (4) is provided with a clamping device (6), and one side of the upper surface of the bottom plate (1) is provided with a; the middle part fixedly connected with motor (8) of bottom plate (1) upper surface one side, the output transmission of motor (8) is connected with first gear (9), the fixed cover of one end of main shaft (3) outer wall has connect second gear (10), just first gear (9) are connected with second gear (10) meshing.

2. The workpiece holding mechanism of a high-efficiency mechanical lathe as set forth in claim 1, wherein: the outer wall of main shaft (3) has seted up the spacing groove, the inner chamber of spacing groove slides and has cup jointed spacing lantern ring (11), the outer wall of spacing lantern ring (11) is located the inner chamber of through-hole, the middle part screw thread of backup pad (2) upper surface has cup jointed first bolt (12), the bottom and the spacing lantern ring (11) of first bolt (12) are laminated mutually.

3. The workpiece holding mechanism of a high-efficiency mechanical lathe as set forth in claim 1, wherein: the top fixedly connected with carousel (13) of screw rod (5), draw-in groove (14) have all been seted up to the both sides of fluting inner wall, fixture block (15) have been cup jointed in the inner chamber slip of draw-in groove (14), one side and slider (4) fixed connection of fixture block (15), the outer wall symmetry screw thread of main shaft (3) has cup jointed second bolt (16), the one end and the fixture block (15) of second bolt (16) are laminated mutually.

4. The workpiece holding mechanism of a high-efficiency mechanical lathe as set forth in claim 1, wherein: clamping device (6) include sleeve (61), the one end and slider (4) fixed connection of sleeve (61), the other end of sleeve (61) is annular array etc. and has seted up three spread groove, splint (62) have been cup jointed in the inner chamber slip of spread groove, a plurality of latches of back equidistance fixedly connected with of splint (62), the equal fixedly connected with gag lever post (66) in both sides of splint (62), the outer wall and the sleeve (61) slip of gag lever post (66) cup joint.

5. The workpiece holding mechanism of a high-efficiency mechanical lathe as set forth in claim 4, wherein: the bearing groove is formed in the inner cavity of the sleeve (61), the third gear (63) is sleeved in the rotating mode of the inner cavity of the bearing groove, the third gear (63) is meshed with the clamping plate (62) through the clamping teeth, the groove (64) is formed in the sleeve (61), the fourth gear (65) is sleeved in the rotating mode of the inner cavity of the groove (64), and the fourth gear (65) is meshed with the third gear (63).