CN214109592U

CN214109592U - Tool collet convenient for adjusting clamping depth

Info

Publication number: CN214109592U
Application number: CN202023274023.1U
Authority: CN
Inventors: 鄂福大
Original assignee: Baidafumei Intelligent Technology Jiangsu Co ltd
Current assignee: Baidafumei Intelligent Technology Jiangsu Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-03
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a cutter collet chuck convenient to adjust centre gripping degree of depth, including barrel, screw hole, handle of a knife, fastening bolt, snap ring, flexible cover, internal thread, pivot, axle screw thread, axle fluted disc, driving fluted disc, regulation outer pole, axle groove, base and through-hole. The utility model has the advantages that: screw hole and fastening bolt all have four, can fix the handle of a knife centre gripping in the barrel, the fixed arrangement in flexible cover top has circular rubber pad, avoid the cutter to be because of rotating the too big machining precision that influences of vibration amplitude, flexible cover and pivot are the screw thread and rotate the connection, be convenient for adjust the centre gripping degree of depth, axle fluted disc is the gear interlock with the initiative fluted disc and is connected, be convenient for rotate the pivot through outside regulation outer pole, the through-hole is provided with four, and the through-hole is in base evenly distributed, be convenient for be in the same place collet chuck and lathe fixed connection, the atress is even simultaneously, it is not hard up to avoid long-time use to produce.

Description

Tool collet convenient for adjusting clamping depth

Technical Field

The utility model relates to a collet chuck specifically is a cutter collet chuck convenient to adjust the centre gripping degree of depth belongs to cutter centre gripping equipment technical field.

Background

The cutting tool is a tool used for cutting machining in machine manufacturing, and is also used manually, and since the cutting tools used in machine manufacturing are basically used for cutting metal materials, the term cutting tool is generally understood as a metal cutting tool, and a cutting tool used for cutting wood is known as a woodworking tool, and a cutting tool used for geological exploration, well drilling and mine drilling is also known as a mine cutting tool, and the cutting tool needs to be fixed when in use, so the cutting tool is often mounted through a cylindrical clamping device.

The existing collet chuck is simple in structure, one of the collet chuck is simple, a positioning part arranged at the joint of a tool handle and a cylinder body is too single, a tool cannot be stably milled easily, certain potential safety hazards exist while the machining precision of mechanical parts is influenced, the other one of the collet chuck is simple, the used tool collet chuck cannot adjust the depth of the cylinder according to actual machining process requirements, certain limitation exists, the third one of the collet chuck is that the traditional collet chuck is often connected with a machine tool through threads, although the collet chuck is firm in connection, whether the rotation direction of the machine tool is inconsistent with the rotation direction of the threads or not needs to be considered when the collet chuck is installed, and meanwhile, the threads are easily screwed up and damaged due to the rotation of the collet chuck, so that certain abrasion is caused to the joint.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cutter collet chuck convenient to adjust the centre gripping degree of depth in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a tool collet convenient for adjusting clamping depth comprises a cylinder body, a threaded hole, a tool shank, a fastening bolt, a clamping ring, a telescopic sleeve, an internal thread, a rotating shaft, a shaft thread, a shaft fluted disc, a driving fluted disc, an adjusting outer rod, a shaft groove, a base and a through hole; the cylinder body, the fastening bolt, the telescopic sleeve, the rotating shaft, the shaft fluted disc, the driving fluted disc and the base form a main body structure of the tool collet chuck, the upper end of the cylinder body is provided with a threaded hole, the knife handle is arranged in the cylinder body, the fastening bolt is arranged at the threaded hole on the outer side of the cylinder body, the snap ring is fixedly arranged on the inner wall of the middle part of the cylinder body, the telescopic sleeve is arranged in the snap ring, the internal thread is arranged at the bottom end of the inner wall of the telescopic sleeve, the top end of the rotating shaft is arranged in a groove at the bottom of the telescopic sleeve, the shaft threads are uniformly distributed on the surface of the rotating shaft, the shaft fluted disc is arranged at the lower end of the rotating shaft, the driving fluted disc is connected with the shaft fluted disc, the adjusting outer rod is connected with the driving fluted disc through a connecting rod, and the adjusting outer rod is arranged outside the cylinder body, the bottom end of the rotating shaft is clamped in the shaft groove, the base is welded and fixed on the bottom surface of the cylinder body, and the through hole is formed in the edge of the surface of the base.

Preferably, in order to enable the fastening bolts to penetrate through the threaded holes to clamp and fix the tool shank in the barrel, the number of the threaded holes and the number of the fastening bolts are four, and the threaded holes and the fastening bolts are uniformly distributed on the side face of the barrel at the same horizontal height.

Preferably, in order to avoid the cutter to influence the machining precision because of the rotation amplitude is too big, the bottom of handle of a knife supports on the telescope tube, and the fixed arrangement in telescope tube top has circular rubber pad.

Preferably, in order to facilitate the adjustment of the clamping depth of the cylinder, the top end of the telescopic sleeve penetrates through the clamping ring, and the telescopic sleeve and the rotating shaft are in threaded rotary connection through internal threads and shaft threads.

Preferably, in order to facilitate the rotation of the rotating shaft through the external adjusting outer rod, the bottom end of the rotating shaft is clamped and arranged in the shaft groove, and a shaft fluted disc at the lower end of the rotating shaft is in meshed connection with a driving fluted disc at the outer side.

Preferably, in order to conveniently and fixedly connect the collet chuck with the machine tool, four through holes are arranged, and the through holes are uniformly distributed on the base.

The utility model has the advantages that: the tool collet convenient for adjusting the clamping depth is reasonable in design, the number of the threaded holes and the number of the fastening bolts are four, the threaded holes and the fastening bolts are uniformly distributed on the side face of the cylinder body at the same horizontal height, the fastening bolts penetrate through the threaded holes to clamp and fix the tool shank in the cylinder body, the fastening bolts are simultaneously unscrewed to facilitate the tool to be taken out for maintenance or replacement, the bottom end of the tool shank is abutted against the telescopic sleeve, the top end of the telescopic sleeve is fixedly provided with a circular rubber pad, the tool is prevented from influencing the processing precision due to overlarge rotating amplitude, further, the abrasion of parts per se is reduced, the top end of the telescopic sleeve penetrates through the snap ring, the telescopic sleeve and the rotating shaft are in threaded rotating connection through internal threads and shaft threads, the telescopic sleeve is adjusted to be telescopic in the cylinder body through the rotating shaft, the clamping depth of the cylinder body is adjusted, the bottom end of the rotating shaft is clamped and arranged in the shaft groove, and a shaft gear disc at the lower end of the rotating shaft is in gear meshing connection with a driving gear disc at the outer side, the rotating shaft is convenient to rotate through the external adjusting outer rod, so that the operation and the use of personnel are facilitated, the number of the through holes is four, the through holes are uniformly distributed on the base, the collet chuck is conveniently and fixedly connected with a machine tool, the stress is uniform, and the looseness caused by long-time use is avoided.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is a top view of the present invention.

In the figure: 1. barrel, 2, screw hole, 3, handle of a knife, 4, fastening bolt, 5, snap ring, 6, telescopic sleeve, 7, internal thread, 8, pivot, 9, axle screw thread, 10, axle fluted disc, 11, drive fluted disc, 12, regulation outer lever, 13, axle groove, 14, base and 15, through-hole.

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. 1-2, a tool collet convenient for adjusting clamping depth includes a cylinder 1, a threaded hole 2, a tool shank 3, a fastening bolt 4, a snap ring 5, a telescopic sleeve 6, an internal thread 7, a rotating shaft 8, a shaft thread 9, a shaft toothed disc 10, a driving toothed disc 11, an adjusting outer rod 12, a shaft groove 13, a base 14 and a through hole 15; the cylinder body 1, the fastening bolt 4, the telescopic sleeve 6, the rotating shaft 8, the shaft fluted disc 10, the driving fluted disc 11 and the base 14 form a main body structure of the tool collet chuck, the upper end of the cylinder body 1 is provided with a threaded hole 2, the tool shank 3 is arranged in the cylinder body 1, the fastening bolt 4 is arranged at the threaded hole 2 on the outer side of the cylinder body 1, the snap ring 5 is fixedly arranged on the inner wall of the middle part of the cylinder body 1, the telescopic sleeve 6 is arranged in the snap ring 5, the internal thread 7 is arranged at the bottom end of the inner wall of the telescopic sleeve 6, the top end of the rotating shaft 8 is arranged in a groove at the bottom of the telescopic sleeve 6, the shaft threads 9 are uniformly distributed on the surface of the rotating shaft 8, the shaft fluted disc 10 is arranged at the lower end of the rotating shaft 8, the driving fluted disc 11 is connected with the shaft fluted disc 10, the adjusting outer rod 12 is connected with the driving fluted disc 11 through a connecting rod, the adjusting outer rod 12 is arranged on the outer side of the cylinder body 1, the bottom end of the rotating shaft 8 is clamped in a shaft groove 13, the base 14 is welded and fixed on the bottom surface of the cylinder body 1, and the through hole 15 is formed in the edge of the surface of the base 14.

The four threaded holes 2 and the four fastening bolts 4 are uniformly distributed on the side surface of the barrel 1 at the same horizontal height, so that the fastening bolts 4 can penetrate through the threaded holes 2 to clamp and fix the tool shank 3 in the barrel 1, the fastening bolts 4 are loosened at the same time, the tool is convenient to take out for maintenance or replacement, the bottom end of the tool shank 3 is abutted against the telescopic sleeve 6, the top end of the telescopic sleeve 6 is fixedly provided with a circular rubber pad, the problem that the machining precision is greatly influenced by the rotation amplitude of the tool and the abrasion of parts of the tool is reduced is avoided, the top end of the telescopic sleeve 6 penetrates through the snap ring 5, the telescopic sleeve 6 and the rotating shaft 8 are in threaded rotation connection through the internal thread 7 and the shaft thread 9, the telescopic sleeve 6 is adjusted to be telescopic in the barrel 1 through the rotating shaft 8, the clamping depth of the barrel 1 is adjusted, and the bottom end of the rotating shaft 8 is clamped and arranged in the shaft groove 13, and the shaft fluted disc 10 at the lower end of the rotating shaft 8 is in gear engagement connection with the driving fluted disc 11 at the outer side, so that the rotating shaft 8 can be conveniently rotated through the external adjusting outer rod 12, the operation and the use of personnel are facilitated, the four through holes 15 are uniformly distributed on the base 14, the collet chuck is conveniently and fixedly connected with a machine tool, the stress is uniform, and the looseness caused by long-time use is avoided.

The working principle is as follows: when the tool collet convenient for adjusting the clamping depth is used, the bottom end of a rotating shaft 8 is clamped and arranged in a shaft groove 13, the top end of the rotating shaft 8 is in threaded connection with a telescopic sleeve 6 through an internal thread 7 and a shaft thread 9, a clamping ring 5 is fixedly arranged in the middle of the inner wall of a cylinder body 1, a driving gear disc 11 at the inner end of an adjusting outer rod 12 is connected with a shaft gear disc 10 through gear meshing, finally a tool shank 3 is arranged in the cylinder body 1, fastening bolts 4 are connected onto the cylinder body 1 through threaded holes 2, so that the inner ends of the fastening bolts 4 respectively clamp the tool shank 3, a base 14 is fixedly arranged at the connection position of a machine tool through holes 15, during the period, the tool shank 3 can be stably clamped and fixed in the cylinder body 1 through the uniformly distributed four fastening bolts 4, the base 14 is uniformly stressed on the machine tool through the through holes 15, the looseness caused by long-time use is avoided, and the tool collet can be required by a processing technology before use, the outer rod 12 is adjusted to rotate the driving fluted disc 11, so as to drive the shaft fluted disc 10 and the rotating shaft 8 to rotate, so that the telescopic sleeve 6 is in a telescopic state in the cylinder 1 through threads, and the clamping depth of the cylinder 1 is adjusted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A tool collet convenient for adjusting clamping depth is characterized in that: the tool comprises a cylinder body (1), a threaded hole (2), a tool shank (3), a fastening bolt (4), a clamping ring (5), a telescopic sleeve (6), an internal thread (7), a rotating shaft (8), a shaft thread (9), a shaft toothed disc (10), a driving toothed disc (11), an adjusting outer rod (12), a shaft groove (13), a base (14) and a through hole (15); the main structure of the tool collet is composed of the barrel body (1), the fastening bolt (4), the telescopic sleeve (6), the rotating shaft (8), the shaft fluted disc (10), the driving fluted disc (11) and the base (14), a threaded hole (2) is formed in the upper end of the barrel body (1), the tool holder (3) is arranged in the barrel body (1), the fastening bolt (4) is arranged at the threaded hole (2) in the outer side of the barrel body (1), the clamping ring (5) is fixedly arranged on the inner wall in the middle of the barrel body (1), the telescopic sleeve (6) is arranged in the clamping ring (5), the internal thread (7) is arranged at the bottom end of the inner wall of the telescopic sleeve (6), the top end of the rotating shaft (8) is arranged in a groove in the bottom of the telescopic sleeve (6), the shaft threads (9) are uniformly distributed on the surface of the rotating shaft (8), the shaft fluted disc (10) is arranged at the lower end of the rotating shaft (8), and the driving fluted disc (11) is connected with the shaft fluted disc (10), adjust outer pole (12) and be connected through connecting rod and initiative fluted disc (11), just adjust outer pole (12) and arrange the barrel (1) outside in, the bottom card of pivot (8) is in axle slot (13), base (14) welded fastening is in barrel (1) bottom surface, through-hole (15) are seted up in base (14) surface edge.

2. The tool collet of claim 1, wherein the depth of grip is adjustable by: the threaded holes (2) and the fastening bolts (4) are four in number, and the threaded holes (2) and the fastening bolts (4) are uniformly distributed on the side face of the barrel body (1) at the same horizontal height.

3. The tool collet of claim 1, wherein the depth of grip is adjustable by: the bottom of handle of a knife (3) supports on telescope tube (6), and fixed the arrangement in telescope tube (6) top has circular rubber pad.

4. The tool collet of claim 1, wherein the depth of grip is adjustable by: the top end of the telescopic sleeve (6) penetrates through the clamping ring (5), and the telescopic sleeve (6) and the rotating shaft (8) are in threaded rotation connection through the internal thread (7) and the shaft thread (9).

5. The tool collet of claim 1, wherein the depth of grip is adjustable by: the bottom end of the rotating shaft (8) is clamped and arranged in the shaft groove (13), and a shaft fluted disc (10) at the lower end of the rotating shaft (8) is in meshed connection with a driving fluted disc (11) at the outer side through a gear.

6. The tool collet of claim 1, wherein the depth of grip is adjustable by: the number of the through holes (15) is four, and the through holes (15) are uniformly distributed on the base (14).