CN214603179U

CN214603179U - Workpiece fixing device of machine tool

Info

Publication number: CN214603179U
Application number: CN202120341004.1U
Authority: CN
Inventors: 蔡楚燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-05
Anticipated expiration: 2031-02-05

Abstract

The utility model relates to a fixing device technical field specifically is a lathe work piece fixing device, including supporting the nozzle stub, it puts at the inside central point of box body to support nozzle stub activity joint, box body central point puts and has seted up the through-hole. The utility model has the advantages that: through arranging the supporting short pipe, the spring and other parts, a user puts cylindrical work materials on the inner side of the supporting short pipe, the supporting rod is inserted in the supporting rod sleeve through the first spring to be matched with the lug to jack, so that the effect of clamping the cylindrical work materials is achieved, the annular groove II on one side of the supporting short pipe is movably clamped with the gear ring, one end of the gear ring is connected with the second spring and the connecting block, the whole body is locked in a one-way mode to fix the cylindrical work materials, the adjusting process is greatly reduced, and time and labor are saved; after the cylindrical work material is processed, the handle is pulled outwards, the spring II contracts, the gear ring exits from the annular groove II, the support short pipe is not fixed, and the cylindrical work material is taken down by reversely rotating the hand wheel, so that the operation is convenient and fast.

Description

Workpiece fixing device of machine tool

Technical Field

The utility model relates to a fixing device technical field, especially a lathe work piece fixing device.

Background

Along with the continuous development of China, the mechanical manufacturing industry provides technical equipment for the whole national economy, the mechanical manufacturing industry can not leave various machine tool machining, the machine tool carries out corresponding processing treatment on a machined workpiece, the machined workpiece needs to be fixed through a fixing device in the processing process, the fixing device named as a machine tool fixer is arranged in the prior art, the fixing device adjusts the fixing of a supporting rod and a roller on a circular tube-shaped workpiece by arranging the supporting rod, the roller, a threaded rod, a fixing frame and other parts and utilizing the handle fixed at the rear end of the threaded rod to be screwed, the fixing device is low in manufacturing cost and high in use efficiency, and the fixing device can generate the following problems in the use process: the adjusting handle needs to be screwed to loosen and the bolt needs to be screwed to fix the workpiece for the round pipe type workpiece at each time, and the method is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a lathe work piece fixing device.

The purpose of the utility model is realized through the following technical scheme: a fixing device for a machine tool workpiece comprises a supporting short pipe, wherein the supporting short pipe is movably clamped in the central position inside a box body, a through hole is formed in the central position of the box body, the size of the through hole is consistent with that of the supporting short pipe, a hand wheel is fixedly connected to one end of the supporting short pipe, four through grooves are formed in the inner wall of the supporting short pipe, supporting rod sleeves are fixedly connected to the outer sides of the through grooves of the supporting short pipe, supporting rods are movably sleeved inside the four supporting rod sleeves, grooves are formed in two sides of the four supporting rods, springs I are fixedly connected to the inner wall surfaces of the two grooves, one ends of the two springs I are fixedly connected to the supporting rod sleeves, rollers are rotatably connected to two ends of the four supporting rods, an annular groove I is formed in the central position of the inner wall of the box body, and four convex blocks are fixedly connected in the annular groove I, the rollers at one ends of the four support rods are in rolling connection in the first annular groove;

the one end of supporting the nozzle stub has seted up annular groove two, the activity joint has the ring gear in the annular groove two, a plurality of connecting block of fixedly connected with on the outer wall of ring gear, the inboard fixedly connected with handle of ring gear, the handle passes the outside that the through-hole stretches out box body one end, a plurality of recess has been seted up to the inboard of box body one end, the inside all with connecting block activity joint of a plurality of recess, the equal fixedly connected with spring of one end of a plurality of connecting block, the equal fixed connection of one end of a plurality of springs is on the wall of the inside one side of box body.

Preferably, the bottom of the box body is fixedly connected with a telescopic rod, and the bottom of the telescopic rod is fixedly connected with a base.

Preferably, four of said through slots are circumferentially arrayed on the support stub.

Preferably, the inner wall surface of the support rod sleeve is symmetrically and fixedly connected with two convex blocks, and the cross sections of the two convex blocks are consistent with the cross section of the groove in size.

Preferably, the four convex blocks are fixedly connected in the first annular groove in a circumferential array mode, and chamfers are arranged at two ends of the four convex blocks.

Preferably, six connecting blocks are fixedly connected to the outer wall of the gear ring in a circumferential array mode.

Preferably, the internal circumference array of the second annular groove is fixedly connected with a plurality of tooth sockets, and the tooth sockets are engaged and clamped with the gear ring.

The utility model has the advantages of it is following:

1. the fixing device for the machine tool workpiece is characterized in that a supporting short pipe, a supporting rod, a first annular groove, a lug, a spring and other parts are arranged, a user puts cylindrical workpiece on the inner side of the supporting short pipe, a hand wheel is rotated to drive the supporting short pipe to rotate in a box body, the supporting short pipe drives the supporting rod and a roller to roll in the first annular groove of the box body, the lug is arranged in the first annular groove, so that the supporting rod is matched with the lug to jack the lug in a supporting rod sleeve through the expansion and contraction of the spring, the gap between the rollers on the inner side of the supporting short pipe is reduced, the effect of clamping the cylindrical workpiece is achieved, a gear ring is movably clamped in the second annular groove on one side of the supporting short pipe and is mutually clamped with a tooth groove in the second annular groove, one end of the gear ring is connected with a second spring and a connecting block, the connecting block is clamped in the second groove on the box body, and plays a role of unidirectional locking integrally, therefore, the cylindrical work material is fixed, and compared with the prior art that the tightness is adjusted by screwing the adjusting handle and the bolt is screwed to fix the workpiece, the whole process of adjustment is greatly reduced, and time and labor are saved;

2. this lathe work piece fixing device, through setting up the ring gear, ring channel two, spare part such as spring, it has the ring gear to support activity joint in short pipe one side annular groove two, the mutual joint of tooth's socket in ring gear and the ring channel two, the one end of ring gear is connected with spring two and connecting block, the connecting block joint is in the recess two on the box body, after having processed cylindrical work material, outwards pull out the handle, two shrink of spring that make the box body set up, fixed connection's ring gear withdraws from annular groove two on the spring two, it is not fixed to supporting the short pipe, cylindrical work material is taken down to the contra rotation hand wheel, and is convenient and swift again.

Drawings

FIG. 1 is a schematic structural view of a conventional workpiece fixture apparatus "machine tool holder" for a machine tool;

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

FIG. 3 is a schematic structural view of the inside of the box body of the workpiece fixing device for machine tool according to the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;

fig. 5 is the structural schematic diagram of the cutting of the box body of the machine tool workpiece fixing device of the utility model.

In the figure: 1-support short pipe, 2-box body, 3-through hole, 4-through groove, 5-support loop bar, 6-support bar, 7-groove I, 8-spring I, 9-roller, 10-ring groove I, 11-lug, 12-ring groove II, 13-gear ring, 14-connecting block, 15-handle, 16-groove II, 17-spring II, 18-telescopic rod, 19-base and 20-hand wheel.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in figures 1-5, a machine tool workpiece fixing device comprises a supporting short pipe 1, the supporting short pipe 1 is movably clamped in the central position inside a box body 2, the central position of the box body 2 is provided with a through hole 3, the size of the through hole 3 is consistent with that of the supporting short pipe 1, one end of the supporting short pipe is fixedly connected with a hand wheel 20, the inner wall of the supporting short pipe 1 is provided with four through grooves 4, the outer sides of the through grooves 4 of the supporting short pipe 1 are fixedly connected with supporting rod sleeves 5, supporting rods 6 are movably sleeved inside the four supporting rod sleeves 5, two sides of the four supporting rods 6 are respectively provided with a groove 7, the inner wall surfaces of the two grooves 7 are respectively and fixedly connected with a spring I8, one end of the two spring I8 is fixedly connected on the supporting rod sleeve 5, two ends of the four supporting rods 6 are respectively and rotatably connected with a roller 9, and the central position of the inner wall of the box body 2 is provided with an annular groove I10, four lugs 11 are fixedly connected in an annular groove I10, rollers 9 at one ends of four support rods 6 are all connected in the annular groove 10 in a rolling manner, a user puts cylindrical work materials on the inner side of the support short tube 1 by arranging the support short tube 1, the support rod 6, the annular groove I10, the lugs 11, a spring I8 and other parts, the hand wheel 20 is rotated to drive the support short tube 1 to rotate in the box body, the support short tube 1 drives the support rod 6 and the rollers 9 to roll in the annular groove I10 of the box body 2, the lugs 11 are arranged in the annular groove I10, so that the support rod 6 is matched with the jacking movement of the lugs 11 by the expansion of the spring I8 in the support rod sleeve 5, the gaps between the rollers 9 on the inner side of the support short tube 1 are reduced, and the cylindrical work materials are clamped, a gear ring 13 is movably clamped in the annular groove II 12 on one side of the support short tube 1, and the gear ring 13 is mutually clamped with a tooth groove II 12, one end of the gear ring 13 is connected with a second spring 17 and a connecting block 14, the connecting block 14 is clamped in a second groove 16 on the box body 2, and the whole body plays a role of one-way locking, so that cylindrical work materials are fixed, and compared with the original method that tightness is adjusted by screwing an adjusting handle and a bolt is screwed to fix the work materials, the whole body greatly reduces the adjusting process and saves time and labor;

one end of the support short pipe 1 is provided with an annular groove II 12, a gear ring 13 is movably clamped in the annular groove II 12, the outer wall of the gear ring 13 is fixedly connected with a plurality of connecting blocks 14, the inner side of the gear ring 13 is fixedly connected with a handle 15, the handle 15 extends out of one end of the box body 2 through the through hole 3, the inner side of one end of the box body 2 is provided with a plurality of groove II 16, the inner parts of the plurality of groove II 16 are movably clamped with the connecting blocks 14, one end of the plurality of connecting blocks 14 is fixedly connected with a spring II 17, one end of the plurality of springs II 17 is fixedly connected with the wall surface of one side in the box body 2, the gear ring 13, the annular groove II 12, the spring II 17 and other parts are arranged, the gear ring 13 is movably clamped in the annular groove II 12 on one side of the support short pipe 1, the gear ring 13 is mutually clamped with a tooth groove in the annular groove II 12, one end of the gear ring 13 is connected with the spring II 17 and the connecting blocks 14, the connecting blocks 14 are clamped in the groove II 16 on the box body 2, after the cylindrical work material is processed, the handle 15 is pulled outwards, the second spring 17 arranged in the box body 2 is contracted, the gear ring 13 fixedly connected to the second spring 17 is withdrawn from the second annular groove 12 and is not fixed to the short support pipe 1, and the cylindrical work material is taken down by reversely rotating the hand wheel 20, so that the operation is convenient and fast.

As a preferred technical scheme of the utility model, the bottom fixedly connected with telescopic link 18 of box body 2, the bottom fixedly connected with base 19 of telescopic link 18.

As an optimized technical proposal of the utility model, four through grooves 4 are circumferentially arrayed on the supporting short pipe 1.

As a preferred technical scheme of the utility model, two lugs of symmetry fixedly connected with on the inside wall of bracing piece cover 5, the cross section size of two lugs all is unanimous with a 7 cross section sizes of recess.

As a preferred technical scheme of the utility model, 11 circumference array fixed connection of four lugs are in annular groove 10, and the chamfer has all been seted up at four lugs 11's both ends.

As an optimized technical scheme of the utility model, six connecting blocks 14 of circumference array fixedly connected with are gone up to the outer wall of ring gear 13.

As a preferred technical scheme of the utility model, a plurality of tooth's sockets of the inside circumference array fixedly connected with of two 12 annular grooves, tooth's socket and the 13 meshing joints of ring gear.

The working process of the utility model is as follows: the work material that this use novel lathe fixing device is suitable for is unanimous with the work material that former lathe fixing device was suitable for, is cylindrical work material. A user firstly utilizes the telescopic rod 18 to adjust the height of the fixing device to a proper position, cylindrical work materials are placed on the inner side of the support short pipe 1, the hand wheel 20 is rotated, the hand wheel 20 drives the support short pipe 1 to rotate in the box body 2, the support short pipe 1 drives the support rod 6 and the idler wheel 9 to roll in the annular groove I10 of the box body 2, the lug 11 is arranged in the annular groove I10, the support rod 6 is matched with the jacking movement of the lug 11 in the support rod sleeve 5 through the expansion and contraction of the spring I8, so that the gap between the idler wheels 9 on the inner side of the support short pipe 1 is reduced, the cylindrical work materials are clamped tightly, the gear ring 13 is movably clamped in the annular groove II 12 on one side of the support short pipe 1, the gear ring 13 is mutually clamped with the tooth groove in the annular groove II 12, one end of the gear ring 13 is connected with the spring II 17 and the connecting block 14, the connecting block 14 is clamped in the groove II 16 on the box body 2, and plays a role of unidirectional locking as a whole, thereby securing the cylindrical work material. After the cylindrical work material is processed, the handle 15 is pulled outwards, the second spring 17 arranged in the box body 2 is contracted, the gear ring 13 fixedly connected to the second spring 17 exits the second annular groove 12 and is not fixed to the short support pipe 1, and the hand wheel 20 is rotated reversely to take down the cylindrical work material.

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 lathe work piece fixing device which characterized in that: the support sleeve comprises a support short pipe (1), the support short pipe (1) is movably clamped in the central position inside a box body (2), a through hole (3) is formed in the central position of the box body (2), the size of the through hole (3) is consistent with that of the support short pipe (1), a hand wheel (20) is fixedly connected to one end of the support short pipe, four through grooves (4) are formed in the inner wall of the support short pipe (1), support rod sleeves (5) are fixedly connected to the outer sides of the through grooves (4) of the support short pipe (1), support rods (6) are movably sleeved inside the four support rod sleeves (5), two grooves (7) are formed in two sides of each support rod (6), springs (8) are fixedly connected to the inner wall surfaces of the two grooves (7), and one ends of the two springs (8) are fixedly connected to the support rod sleeves (5), the two ends of the four support rods (6) are rotatably connected with idler wheels (9), an annular groove I (10) is formed in the center of the inner wall of the box body (2), four convex blocks (11) are fixedly connected in the annular groove I (10), and the idler wheels (9) at one end of the four support rods (6) are rotatably connected in the annular groove I (10);

annular groove two (12) have been seted up to the one end of support nozzle stub (1), the activity joint has ring gear (13) in annular groove two (12), a plurality of connecting block (14) of fixedly connected with on the outer wall of ring gear (13), inboard fixedly connected with handle (15) of ring gear (13), handle (15) pass through-hole (3) and stretch out the outside of box body (2) one end, a plurality of recess two (16) have been seted up to the inboard of box body (2) one end, the inside all with connecting block (14) activity joint of a plurality of recess two (16), the equal fixedly connected with spring two (17) of one end of a plurality of connecting block (14), the equal fixed connection of one end of a plurality of spring two (17) is on the wall surface of the inside one side of box body (2).

2. A workpiece holding device for a machine tool as defined in claim 1, wherein: the bottom fixedly connected with telescopic link (18) of box body (2), the bottom fixedly connected with base (19) of telescopic link (18).

3. A workpiece holding device for a machine tool as defined in claim 1, wherein: the four through grooves (4) are circumferentially arrayed on the support short pipe (1).

4. A workpiece holding device for a machine tool as defined in claim 1, wherein: two convex blocks are symmetrically and fixedly connected to the inner wall surface of the support rod sleeve (5), and the sizes of the cross sections of the two convex blocks are consistent with that of the cross section of the first groove (7).

5. A workpiece holding device for a machine tool as defined in claim 1, wherein: the four lugs (11) are fixedly connected in the first annular groove (10) in a circumferential array mode, and chamfers are arranged at two ends of the four lugs (11).

6. A workpiece holding device for a machine tool as defined in claim 1, wherein: six connecting blocks (14) are fixedly connected to the outer wall of the gear ring (13) in a circumferential array mode.

7. A workpiece holding device for a machine tool as defined in claim 1, wherein: and a plurality of tooth grooves are fixedly connected to the inner circumference array of the second annular groove (12), and the tooth grooves are engaged and clamped with the gear ring (13).