CN213671879U

CN213671879U - Chuck bushing with spring ejector rod

Info

Publication number: CN213671879U
Application number: CN202021949470.XU
Authority: CN
Inventors: 张世秋
Original assignee: Kunshan Jialianyi Industrial Equipment Co ltd
Current assignee: Kunshan Jialianyi Industrial Equipment Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-07-13
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a take collet bush of spring ejector pin, including chuck, collet cover and collet seat, the chuck sets up the inside at the collet cover, the collet cover is installed in the top of collet seat, the chuck includes collet body, chuck lamella and screw, be equipped with the collet hole on the collet body, be equipped with three through-hole and counter bore on the pore wall of collet hole evenly, be equipped with the undercut groove on the interior pore wall in collet hole, the cross section of chuck lamella is the ring shape structure, the chuck lamella is provided with threely, the collet seat includes the ejector pin that is located collet cover below, the sleeve that the cover is located the ejector pin outside, locate the compression spring inside the sleeve, the bottom of ejector pin is connected with compression spring, the top of ejector pin extends to the telescopic outside top; the utility model discloses the adjusting block drives the gyro wheel support that is located the adjusting block and removes to the distance between the gyro wheel support that the regulation is located the kicking block both sides respectively, thereby can adjust according to the width of collet cover, can be used to the collet cover of different widths.

Description

Chuck bushing with spring ejector rod

Technical Field

The utility model relates to a chuck bush technical field, concretely relates to take spring ejector's chuck bush.

Background

In machining, the collet chuck is widely applied to clamping of workpieces (including bar materials), for workpieces with different outer diameters, collet chucks with different clamping ranges need to be used, generally, one collet chuck can only correspond to a workpiece with one outer diameter, and therefore, when workpieces with different outer diameters are clamped, the whole collet chuck needs to be repeatedly disassembled and assembled to meet production requirements. In view of the above disadvantages, it is desirable to design a collet bushing with spring ejector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take spring ejector's chuck bush to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: take spring ejector's chuck bush, including chuck, chuck cover and chuck seat, the chuck sets up the inside at the chuck cover, the top at the chuck seat is installed to the chuck cover, the chuck includes chuck body, chuck lamella and screw, be equipped with the chuck hole on the chuck body, be equipped with three through-hole and counter bore on the pore wall of chuck hole uniformly, be equipped with the undercut groove on the interior pore wall of chuck hole, the cross section of chuck lamella is the ring column structure, the chuck lamella is provided with threely, the chuck seat is located the outside sleeve of ejector pin, is located the inside compression spring of sleeve including ejector pin, the cover that is located chuck cover below, and the bottom of ejector pin is connected with compression spring, and the top of ejector pin extends to telescopic outside top, and ejector pin, chuck body and chuck lamella are located same axis.

Preferably, be equipped with on the outer wall of chuck lamella and the boss with undercut groove looks adaptation, it is three constitute the tourus chuck after the chuck lamella amalgamation, the external diameter and the chuck hole internal diameter looks adaptation of tourus chuck, the internal diameter and the work piece external diameter looks adaptation of tourus chuck, the chuck hole suit is on the tourus chuck, and undercut inslot is arranged in to the boss of chuck lamella, and the screw passes the through-hole on the chuck hole and fixes the chuck lamella on the chuck body, and the countersunk hole is arranged in to the head of screw, the screw is fluting cylinder head screw.

Preferably, the inside of the sleeve is provided with a compression spring sleeve at the top end of the compression spring, and the bottom end of the ejector rod is connected with the compression spring sleeve.

Preferably, the chuck seat further comprises a lower bottom plate, the outer wall of the top end of the sleeve is provided with a connecting flange, and the connecting flange is connected to the bottom of the lower bottom plate through a bolt.

Preferably, the ejector pin includes the activity body of rod, locates the kicking block on activity body of rod top, and the bottom of the activity body of rod is connected with compression spring through the compression spring cover, and the bottom plate is run through on the top of the activity body of rod, and the kicking block is located the top of bottom plate, and the kicking block is the integrated into one piece with the activity body of rod.

Preferably, the chuck base is still including locating the top of bottom plate and being located the kicking block both sides be used for the spacing gyro wheel support of chuck cover, the gyro wheel support includes left support, locates the right branch seat of left support one side, is connected with the round pin axle between left support and the right branch seat, and the cover is equipped with the gyro wheel on the round pin axle.

Preferably, the chuck base further comprises an adjusting block movably connected to the lower base plate and located on two sides of the top block, the roller support is arranged on the adjusting block, and the roller support and the adjusting block are integrally formed.

Preferably, the lower bottom plate is provided with a sliding groove, two sides of the lower bottom plate are both connected with a jacking seat plate, and the jacking seat plate is connected with the side wall of the lower bottom plate through a bolt.

Preferably, a puller bolt is arranged on the puller seat plate and penetrates through the puller seat plate, one end of the puller bolt is abutted against one side of the adjusting block, and the other end of the puller bolt is connected with a puller nut.

Compared with the prior art, the chuck bushing with the spring ejector rod has simple structure and convenient use; the clamping of workpieces with different outer diameters can be realized only by replacing the chuck flaps, so that the clamping precision of the workpieces is ensured, and the manufacturing cost of the spring chuck is reduced; the utility model discloses the relative spout lateral sliding of adjusting block to the gyro wheel support that the drive is located the adjusting block removes, with the distance between the gyro wheel support that the regulation is located the kicking block both sides respectively, thereby can carry out adaptability according to the width of collet cover and adjust, can be used to the collet cover of different width.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of the chuck bushing with a spring ejector rod of the present invention.

In the drawings:

1. a chuck; 11. a chuck body; 12. a collet flap; 13. a screw; 2. a clip sleeve; 3. a chuck base; 31. A top rod; 310. a movable rod body; 311. a top block; 32. a sleeve; 33. a compression spring; 34. a compression spring sleeve; 35. a lower base plate; 351. a chute; 4. a roller support; 41. a left support; 42. a right support; 43. A pin shaft; 44. a roller; 6. tightly supporting the seat board; 61. jacking the bolt; 62. tightly pushing the nut; 7. and adjusting the block.

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, the present invention provides a technical solution: the chuck bushing with the spring ejector rod comprises a chuck 1, a chuck sleeve 2 and a chuck seat 3, wherein the chuck 1 is arranged inside the chuck sleeve 2, the chuck sleeve 2 is arranged above the chuck seat 3, the chuck 1 comprises a chuck body 11, chuck flaps 12 and screws 13, a chuck hole is formed in the chuck body 11, three through holes and counter bores are uniformly formed in the hole wall of the chuck hole, and a counter sink groove is formed in the inner hole wall of the chuck hole; the cross section of each chuck segment 12 is of a circular structure, the number of the chuck segments 12 is three, bosses matched with the undercut grooves are arranged on the outer wall of each chuck segment 12, the three chuck segments 12 are spliced to form a circular ring chuck, the outer diameter of the circular ring chuck is matched with the inner diameter of a chuck hole, and the inner diameter of the circular ring chuck is matched with the outer diameter of a workpiece; the chuck hole is sleeved on the annular body chuck, the boss of the chuck clack 12 is arranged in the undercut groove, the screw 13 penetrates through the through hole on the chuck hole to fix the chuck clack 12 on the chuck body 11, the head of the screw 13 is arranged in the undercut hole, and the screw 13 is a slotted cylindrical head screw.

In this embodiment, the chuck base 3 includes a top rod 31 located below the chuck sleeve, a sleeve 32 sleeved outside the top rod 31, and a compression spring 33 located inside the sleeve 32, the bottom end of the top rod 31 is connected to the compression spring 33, the top end of the top rod 31 extends to the outside of the sleeve 32, the top rod 31, the chuck body 11, and the chuck flap 12 are located on the same axis, and by disposing the lower portion of the top rod 31 and the compression spring 33 inside the sleeve 32, the lateral direction of the compression spring 33 can be limited, so as to prevent the compression spring 33 from being stressed and transversely bent and deformed when the chuck body 11 is pressed down and the top rod 31 is driven to be pressed down, so that the compression spring 33 is stably compressed and restored along the axial direction thereof, thereby ensuring that the top rod 31 stably moves along the axial direction thereof, preventing the chuck body 11 from being unstable due to lateral deviation and movement of the top rod 31, and.

In order to facilitate the matching of the ejector rod 31 and the compression spring 33, further, a compression spring sleeve 34 is arranged inside the sleeve 32 and positioned at the top end of the compression spring 33, the bottom end of the ejector rod 31 is connected with the compression spring sleeve 34, and the compression spring 33 is pressed by the compression spring sleeve 34 when the ejector rod 31 is pressed downwards, so that the compression spring 33 can be compressed along the axial direction more stably, and the stability of the ejector rod 31 moving along the axial direction is improved.

In order to facilitate the matching between the top rod 31 and the sleeve 32, further, the holder seat 3 further includes a lower base plate 35, a connecting flange 321 is disposed on an outer wall of a top end of the sleeve 32, the connecting flange 321 is connected to a bottom of the lower base plate 35 through a bolt, the sleeve 32 is more convenient to mount and dismount, the top rod 31 includes a movable rod body 310 and a top block 311 disposed at a top end of the movable rod body 310, a bottom end of the movable rod body 310 is connected to a compression spring 33 through a compression spring sleeve 34, a top end of the movable rod body 310 penetrates through the lower base plate 35, the top block 311 is located above the lower base plate 25, the top block 311 and the movable rod body 310 are integrally formed, the top rod 31 is in a T shape by integral combination, the holder 1 presses down the holder sleeve 2 and the top rod 31 to move down the top block 311 and the movable rod body 310, the movable rod body 310 presses down the compression spring 33, the top block 311 presses down to the extreme, a, the chuck sleeve 2 cooperates with the top block 311 to clamp the chuck 1, and then the chuck body 11 and the chuck flaps 12 move back and forth, and the compression spring 33 elastically restores to move the top block 311 and the movable rod 310 upward to restore.

In this embodiment, the chuck base 3 further includes a roller support 4 disposed above the lower base plate 35 and located on two sides of the top block 311, the roller support 4 is used for limiting the chuck sleeve 2, the roller support 4 includes a left support 41 and a right support 42 disposed on one side of the left support 41, a pin shaft 43 is connected between the left support 41 and the right support 42, and a roller 44 is sleeved on the pin shaft 43. When the ejector rod 31 is in a natural state, the ejector block 311 and the roller support 4 are in the same level, the chuck sleeve 2 is arranged on the ejector block 311, two sides of the chuck sleeve 2 are located on rollers 44 of the roller supports 4 on two sides of the ejector block 311, the chuck 1 is pressed downwards to drive the chuck sleeve 2 and the ejector rod 31 to be pressed downwards, the movable rod body 310 abuts against the pressure spring sleeve 34 and the compression spring 33 and is pressed downwards, the roller 44 rolls along with the chuck sleeve 2 when the chuck sleeve 2 is pressed downwards, the chuck sleeve is prevented from being laterally deviated, and the pressing stability of the chuck 1 and the chuck sleeve 2 can be improved.

In this embodiment, the chuck base 3 further includes an adjusting block 7 movably connected to the lower bottom plate 35 and located at two sides of the top block 311, the roller support 4 is disposed on the adjusting block 7, and the roller support 4 and the adjusting block 7 are integrally formed.

In this embodiment, be provided with spout 351 on the lower plate 35, the both sides of lower plate 35 all are connected with the tight bedplate in top 6, the tight bedplate in top 6 is connected with the lateral wall of lower plate through the bolt, be provided with the tight bolt in top 61 on the tight bedplate in top 6, the tight bedplate in top 6 is run through to the tight bolt in top 61, the one end of the tight bolt in top 61 and one side looks butt of adjusting block 7, the other end of the tight bolt in top 61 is connected with a tight nut 62 in top, when clamp 7 shaping is pushed down the bending, 3 atress on the gyro wheel support makes adjusting block 7 atress produce the trend of keeping away from die kicking block 311, can make tight bolt 61 in top tight adjusting block 7 in top through screwing tight bolt 61, effectively improve the steadiness of adjusting block 7, prevent that adjusting block 7 from removing. The relative spout 351 lateral sliding of adjusting block 7 to the drive is located the gyro wheel support 4 on adjusting block 7 and moves, so as to adjust the distance that is located respectively between the gyro wheel support 4 of kicking block 311 both sides, thereby can carry out adaptability according to the width of chuck cover 2 and adjust, can be used to the chuck cover 2 of different width, and adaptability is wide.

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. Take spring ejector's chuck bush, its characterized in that: including chuck (1), chuck cover (2) and chuck seat (3), chuck (1) sets up the inside at chuck cover (2), the top at chuck seat (3) is installed in chuck cover (2), chuck (1) includes chuck body (11), chuck lamella (12) and screw (13), be equipped with the chuck hole on chuck body (11), be equipped with three through-hole and counter bore on the pore wall of chuck hole uniformly, be equipped with the undercut groove on the interior pore wall of chuck hole, the cross section of chuck lamella (12) is the ring shape structure, chuck lamella (12) are provided with threely, chuck seat (3) are including ejector pin (31) that is located chuck cover below, overlap and locate ejector pin (31) outside sleeve (32), locate sleeve (32) inside compression spring (33), the bottom of ejector pin (31) is connected with compression spring (33), and the top of ejector pin (31) extends to the outside top of sleeve (32), the ejector rod (31), the chuck body (11) and the chuck clack (12) are positioned on the same axis.

2. The collet bushing with spring ram of claim 1, wherein: be equipped with on the outer wall of chuck lamella (12) with the boss of undercut groove looks adaptation, three constitute the tourus chuck after chuck lamella (12) amalgamation, the external diameter and the chuck hole internal diameter looks adaptation of tourus chuck, the internal diameter and the work piece external diameter looks adaptation of tourus chuck, the chuck hole suit is on the tourus chuck, and the undercut inslot is arranged in to the boss of chuck lamella (12), and screw (13) pass the through-hole on the chuck hole and fix chuck lamella (12) on chuck body (11), and the countersunk hole is arranged in to the head of screw (13), screw (13) are fluting cylinder head screw.

3. The collet bushing with spring ram of claim 1, wherein: the inside of the sleeve (32) is provided with a compression spring sleeve (34) at the top end of the compression spring (33), and the bottom end of the ejector rod (31) is connected with the compression spring sleeve (34).

4. The collet bushing with spring ram of claim 1, wherein: the chuck base (3) further comprises a lower bottom plate (35), a connecting flange (321) is arranged on the outer wall of the top end of the sleeve (32), and the connecting flange (321) is connected to the bottom of the lower bottom plate (35) through a bolt.

5. The collet bushing with spring ram of claim 1, wherein: the ejector rod (31) comprises a movable rod body (310) and an ejector block (311) arranged on the top end of the movable rod body (310), the bottom end of the movable rod body (310) is connected with a compression spring (33) through a compression spring sleeve (34), the top end of the movable rod body (310) penetrates through a lower base plate (35), the ejector block (311) is located above the lower base plate (35), and the ejector block (311) and the movable rod body (310) are integrally formed.

6. The collet bushing with spring ram of claim 1, wherein: the utility model discloses a clamp head seat, including the top of locating bottom plate (35) and lie in ejector pad (311) both sides be used for the spacing gyro wheel support (4) of chuck cover (2), gyro wheel support (4) include left support (41), locate right support (42) of left support (41) one side, are connected with round pin axle (43) between left support (41) and right support (42), and the cover is equipped with gyro wheel (44) on round pin axle (43).

7. The collet bushing with spring ram of claim 1, wherein: the clamp head seat (3) further comprises adjusting blocks (7) movably connected to the lower bottom plate (35) and located on two sides of the top block (311), the roller support (4) is arranged on the adjusting blocks (7), and the roller support (4) and the adjusting blocks (7) are integrally formed.

8. The spring ejector pin cartridge bushing of claim 4, wherein: the lower bottom plate (35) is provided with a sliding groove (351), the two sides of the lower bottom plate (35) are connected with a jacking seat plate (6), and the jacking seat plate (6) is connected with the side wall of the lower bottom plate through bolts.

9. The spring ejector pin cartridge bushing of claim 8, wherein: the jacking seat plate (6) is provided with a jacking bolt (61), the jacking bolt (61) penetrates through the jacking seat plate (6), one end of the jacking bolt (61) is abutted against one side of the adjusting block (7), and the other end of the jacking bolt (61) is connected with a jacking nut (62).