CN213729378U

CN213729378U - Thimble for machining

Info

Publication number: CN213729378U
Application number: CN202022832585.7U
Authority: CN
Inventors: 张圣锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-20
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to a lathe thimble technical field just discloses thimble for machining, including the thimble urceolus, the inside arc head that is provided with of right-hand member of thimble urceolus, thimble urceolus left end surface swing joint has the adjusting collar, the fixed surface of adjusting collar is connected with adjustment handle, the inside swing joint of thimble urceolus has movable thimble, the left end fixedly connected with stopper of activity thimble, the right-hand member fixedly connected with thimble syringe needle of activity thimble, the surface of thimble urceolus is provided with the solid fixed cylinder. This thimble for machining is through setting up the thimble urceolus to with the inside arc head that sets up in right side of thimble urceolus, control activity thimble through setting up the adjusting collar simultaneously, when needs carry out the centre gripping to the button head work piece, cooperate through arc head and thimble needle, and adjust the position of whole device and carry out the centre gripping, avoided the exclusive use top to the insecure problem of button head work piece centre gripping.

Description

Thimble for machining

Technical Field

The utility model relates to a lathe thimble technical field specifically is thimble for machining.

Background

The ejector pin is a machine tool part in machining and comprises a fixed ejector pin and a movable ejector pin. The lathe is used for centering and bearing the gravity and cutting force of the workpiece. The front thimble of the lathe can be directly arranged in the taper hole of the lathe spindle, and the front thimble and the workpiece rotate together without relative movement, so that quenching is not needed.

When a traditional machine tool is used for processing a workpiece, one end of the traditional machine tool meets the workpiece with a round head, and the common ejector pin can not fix the workpiece well, so that the workpiece needs to be fixed again by using a clamp, and the traditional machine tool is very troublesome to operate.

Therefore, the applicant proposes a thimble for machining, which is used for solving the problem mentioned in the above background art that the traditional thimble is inconvenient for fixing a round-head workpiece.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a thimble for machining possesses advantages such as fixed button head work piece, has solved the fixed trouble problem to the button head work piece that mentions in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the thimble for machining comprises a thimble outer cylinder, wherein an arc-shaped head is arranged inside the right end of the thimble outer cylinder, the outer surface of the left end of the thimble outer cylinder is movably connected with an adjusting sleeve, and the outer surface of the adjusting sleeve is fixedly connected with an adjusting handle;

a movable thimble is movably connected inside the thimble outer cylinder, the left end of the movable thimble is fixedly connected with a limiting block, and the right end of the movable thimble is fixedly connected with a thimble head;

the outer surface of the thimble outer cylinder is provided with a fixed cylinder, the inside of the fixed cylinder is provided with a cylinder inner bearing, the inside of the cylinder inner bearing is provided with a movable ball, the outer surface bottom of the fixed cylinder is fixedly connected with a connecting clamping block, the inside of the connecting clamping block is inserted with a supporting block, the bottom of the supporting block is fixedly connected with a fixed base, the top of the fixed base is provided with a fixed hole, and the front face of the supporting block is in threaded connection with a fixing bolt.

Preferably, a cavity is formed in the ejector pin outer cylinder, a groove is formed in the axis of the outer surface of the ejector pin outer cylinder, the bottom of the arc-shaped head is a plane and is provided with a through hole, and a thread line is formed in the inner wall of the adjusting sleeve.

Preferably, the outer surface of the movable thimble is provided with threads, the threads are matched with thread lines inside the adjusting sleeve, and the diameter of the limiting block is larger than the inner diameter of the adjusting sleeve.

Preferably, the right end of the thimble head runs through the inner wall of the arc head and extends to the inside of the arc head, the right end of the thimble head is a sharp head, and the diameter of the thimble head is smaller than that of the movable thimble.

Preferably, the two sides of the front surface of the connecting clamping block are both provided with through sliding grooves, and the left side and the right side of the connecting clamping block, which are positioned on the through sliding grooves, are both provided with anti-skidding lines.

Preferably, the front surface of the supporting block is provided with a through hole matched with the through sliding groove in the front surface of the connecting clamping block, and the outer surface of the supporting block is matched with the inside of the connecting clamping block.

Preferably, the projection area of the fixing base is larger than that of the connecting clamping block, the fixing holes are long-strip-shaped and are respectively located on two sides of the supporting block, and the fixing bolts respectively penetrate through the connecting clamping block and the supporting block and are fixed through nuts.

Compared with the prior art, the utility model provides a thimble for machining possesses following beneficial effect:

1. this thimble for machining is through setting up the thimble urceolus to with the inside arc head that sets up in right side of thimble urceolus, control activity thimble through setting up the adjusting collar simultaneously, when needs carry out the centre gripping to the button head work piece, cooperate through arc head and thimble needle, and adjust the position of whole device and carry out the centre gripping, avoided the exclusive use top to the insecure problem of button head work piece centre gripping.

2. This thimble for machining supports the thimble through setting up connection fixture block and supporting shoe to set up a section of thick bamboo inner bearing in the inside of fixed cylinder, whole thimble urceolus also can rotate along with the work piece when carrying out work, thereby reduces the injury of turning to the thimble, and can adapt to work piece, convenient to use's effect through the position of adjusting connection fixture block and supporting shoe.

Drawings

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

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

fig. 3 is a schematic view of the movable thimble structure of the present invention.

Wherein: 1. a thimble outer cylinder; 2. an arc-shaped head; 3. an adjusting sleeve; 4. an adjusting handle; 5. a movable thimble; 6. a limiting block; 7. a thimble head; 8. a fixed cylinder; 9. an in-barrel bearing; 10. a movable ball; 11. connecting a clamping block; 12. a support block; 13. a fixed base; 14. a fixing hole; 15. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a thimble for machining comprises a thimble outer cylinder 1, wherein an arc-shaped head 2 is arranged inside the right end of the thimble outer cylinder 1, the arc-shaped head 2 is used for limiting the top end of a round-head workpiece, so that the part of the round-head workpiece is prevented from sliding to influence the stability, an adjusting sleeve 3 is movably connected to the outer surface of the left end of the thimble outer cylinder 1, the adjusting sleeve 3 is used for adjusting the position of a movable thimble 5, an adjusting handle 4 is fixedly connected to the outer surface of the adjusting sleeve 3, and the adjusting handle 4 is used for facilitating an operator to adjust the movable thimble 5;

a movable thimble 5 is movably connected inside the thimble outer cylinder 1, the movable thimble 5 is used for being matched with the adjusting sleeve 3 to adjust the position of a thimble head 7 so as to clamp a workpiece, a limiting block 6 is fixedly connected to the left end of the movable thimble 5, the limiting block 6 is used for preventing excessive adjustment during use, the right end of the movable thimble 5 is fixedly connected with the thimble head 7, and the thimble head 7 is used for clamping the workpiece;

the surface of thimble urceolus 1 is provided with solid fixed cylinder 8, and the inside of solid fixed cylinder 8 is provided with a section of thick bamboo inner bearing 9, this novel section of thick bamboo inner bearing 9 be used for reducing the frictional force between the device, thereby increase the use of device and have a high hand, the inside of section of thick bamboo inner bearing 9 is provided with movable ball 10, the surface bottom fixedly connected with of solid fixed cylinder 8 connects fixture block 11, it has supporting shoe 12 to connect the inside grafting of fixture block 11, in the utility model, connect fixture block 11 and supporting shoe 12 mutually support and can realize the adjustment to the thimble height, the bottom fixedly connected with unable adjustment base 13 of supporting shoe 12, unable adjustment base 13 is used for supporting whole device, thereby more stable when making the device connect, unable adjustment base 13 top has begun to have fixed orifices 14, fixed orifices 14 are used for conveniently installing the device on the lathe, and the front threaded connection of supporting shoe 12 has fixing bolt 15.

Through the technical scheme, set up thimble urceolus 1, and set up thimble urceolus 1's right side inside to arc head 2, control activity thimble 5 simultaneously through setting up adjusting collar 3, when needs carry out the centre gripping to the button head work piece, cooperate through arc head 2 and thimble head 7, and adjust the position of whole device and carry out the centre gripping, the insecure problem of tip to the centre gripping of button head work piece has been avoided using alone, and simultaneously, connect fixture block 11 and supporting shoe 12 to support the thimble through setting up, and set up a section of thick bamboo inner bearing 9 in the inside of fixed section of thick bamboo 8, whole thimble urceolus 1 also can rotate along with the work piece when carrying out work, thereby reduce the injury of turning to the thimble, and can adapt to the work piece through the position of adjusting connection fixture block 11 and supporting shoe 12, high durability and convenient use's effect.

Specifically, a cavity is formed in the thimble outer cylinder 1, a groove is formed in the axis of the outer surface of the thimble outer cylinder 1, the bottom of the arc-shaped head 2 is a plane and is provided with a through hole, and a thread line is formed in the inner wall of the adjusting sleeve 3.

Through above-mentioned technical scheme, the recess of 1 surface of thimble urceolus is used for spacing movable ball 10, and arc head 2 is used for spacing the button head work piece to prevent that the work piece from rocking at work.

Specifically, the outer surface of the movable thimble 5 is provided with threads, the threads are matched with the thread line inside the adjusting sleeve 3, and the diameter of the limiting block 6 is larger than the inner diameter of the adjusting sleeve 3.

Through the technical scheme, this practicality can cooperate through the screw thread that rotates adjusting collar 3 and activity thimble 5 surfaces when using to only need rotate adjusting collar 3 can adjust the position of activity thimble 5 when using.

Specifically, the right end of the thimble head 7 penetrates through the inner wall of the arc-shaped head 2 and extends into the arc-shaped head 2, the right end of the thimble head 7 is a sharp head, and the diameter of the thimble head 7 is smaller than that of the movable thimble 5.

Through above-mentioned technical scheme, adjust the position of thimble needle 7 and can realize carrying out the centre gripping to the work piece, can carry out the centre gripping to the work piece when can adjusting department arc head 2 with thimble needle 7 when fixed regular work piece simultaneously.

Specifically, the two sides of the front surface of the connecting clamping block 11 are both provided with through sliding grooves, and the left side and the right side of the connecting clamping block 11, which are positioned on the through sliding grooves, are both provided with anti-skid lines.

Through above-mentioned technical scheme, the spout both sides that run through on connecting the fixture block 11 set up anti-skidding line, can prevent that fixing bolt 15 from skidding when fixing bolt 15 is fixed to promote the steadiness of connecting.

Specifically, the front surface of the supporting block 12 is provided with a through hole matched with the through sliding groove in the front surface of the connecting clamping block 11, and the outer surface of the supporting block 12 is matched with the inside of the connecting clamping block 11.

Specifically, the projection area of the fixing base 13 is larger than that of the connecting fixture block 11, the fixing holes 14 are elongated and located on two sides of the supporting block 12 respectively, and the fixing bolts 15 penetrate through the connecting fixture block 11 and the supporting block 12 respectively and are fixed through nuts.

Through the technical scheme, the fixing hole 14 is arranged to be long-strip-shaped, so that the device can be more conveniently adjusted in position when being fixed on a machine tool, and the fixing bolt 15 is used for fixedly connecting the fixture block 11 and the supporting block 12 to conveniently adjust the height of the thimble.

When the adjustable ejector pin machine is used, the fixing base 13 is fixed on the machine tool through the fixing hole 14, the connecting clamping block 11 is connected to the outer surface of the supporting block 12 in an inserting mode through the fixing bolt 15, the height is adjusted to be suitable, when a workpiece needs to be machined, the position of the movable ejector pin 5 is adjusted by rotating the adjusting sleeve 3, the ejector pin needle 7 clamps the workpiece, and when the round-head workpiece is fixed, the round head of the workpiece is fixed inside the arc-shaped head 2 and fixed through the ejector pin needle 7.

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. Thimble for machining, including thimble urceolus (1), its characterized in that: an arc-shaped head (2) is arranged inside the right end of the ejector pin outer cylinder (1), an adjusting sleeve (3) is movably connected to the outer surface of the left end of the ejector pin outer cylinder (1), and an adjusting handle (4) is fixedly connected to the outer surface of the adjusting sleeve (3);

a movable thimble (5) is movably connected inside the thimble outer cylinder (1), the left end of the movable thimble (5) is fixedly connected with a limiting block (6), and the right end of the movable thimble (5) is fixedly connected with a thimble head (7);

the outer surface of the thimble outer cylinder (1) is provided with a fixed cylinder (8), the inside of the fixed cylinder (8) is provided with an inner cylinder bearing (9), the inside of the inner cylinder bearing (9) is provided with movable balls (10), the outer surface bottom of the fixed cylinder (8) is fixedly connected with a connecting clamping block (11), a supporting block (12) is inserted in the connecting clamping block (11), the bottom of the supporting block (12) is fixedly connected with a fixed base (13), a fixed hole (14) is formed in the top of the fixed base (13), and a fixing bolt (15) is connected with the front face of the supporting block (12) through threads.

2. The thimble for machining according to claim 1, wherein: the thimble structure is characterized in that a cavity is formed in the thimble outer cylinder (1), a groove is formed in the axis of the outer surface of the thimble outer cylinder (1), the bottom of the arc-shaped head (2) is a plane and is provided with a through hole, and a thread line is formed in the inner wall of the adjusting sleeve (3).

3. The thimble for machining according to claim 1, wherein: the outer surface of the movable thimble (5) is provided with threads, the threads are matched with thread lines inside the adjusting sleeve (3), and the diameter of the limiting block (6) is larger than the inner diameter of the adjusting sleeve (3).

4. The thimble for machining according to claim 1, wherein: the right-hand member of thimble needle (7) runs through the inner wall of arc head (2) and extends to the inside of arc head (2), the right-hand member of thimble needle (7) is sharp-pointed head, just the diameter of thimble needle (7) is less than the diameter of activity thimble (5).

5. The thimble for machining according to claim 1, wherein: the front two sides of the connecting clamping block (11) are provided with through sliding grooves, and the left side and the right side of the connecting clamping block (11) which are located through the sliding grooves are provided with anti-skidding lines.

6. The thimble for machining according to claim 1, wherein: the front surface of the supporting block (12) is provided with a through hole matched with the through sliding groove in the front surface of the connecting clamping block (11), and the outer surface of the supporting block (12) is matched with the inside of the connecting clamping block (11).

7. The thimble for machining according to claim 1, wherein: the projection area of the fixed base (13) is larger than that of the connecting clamping block (11), the fixed holes (14) are long-strip-shaped and are respectively located on two sides of the supporting block (12), and the fixed bolts (15) respectively penetrate through the connecting clamping block (11) and the supporting block (12) and are fixed through nuts.