CN220330586U

CN220330586U - Cutter fixture and processing equipment

Info

Publication number: CN220330586U
Application number: CN202322053558.3U
Authority: CN
Inventors: 詹日才; 李冬春; 钟丰鹏
Original assignee: Guangdong Bay Area Intelligent Terminal Industrial Design And Research Institute Co ltd
Current assignee: Guangdong Bay Area Intelligent Terminal Industrial Design And Research Institute Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-01-12
Anticipated expiration: 2033-08-01

Abstract

The utility model relates to the technical field of machining equipment, and particularly discloses a cutter clamping mechanism and machining equipment, wherein the cutter clamping mechanism is used for clamping and fixing a cutter, a clamping groove is formed in the cutter, and the cutter clamping mechanism comprises: the base body is provided with a positioning part for positioning the cutter; the clamping piece is connected to the base body in a sliding manner, and a clamping convex block matched with the clamping groove is arranged on the clamping piece; the driving assembly comprises a driving source and a driving screw rod in driving connection with the driving source; the driving screw is in driving connection with the clamping piece so as to drive the clamping convex blocks to be clamped into or withdrawn from the clamping grooves. This cutter fixture drives the regulation through the drive screw to the holder, then when the holder was in the clamping state, only need guarantee that drive screw stops rotating, just can make the holder can not produce the slip to just can guarantee to have stable, reliable cooperation relation of connection between clamping lug and the centre gripping groove, so that the cutter has better centre gripping stability.

Description

Cutter fixture and processing equipment

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a cutter clamping mechanism and machining equipment.

Background

In the machine manufacturing process, it is often necessary to cut a machine part using a machining device such as a machine tool so that the dimensional accuracy and surface roughness of the machine part are within a predetermined range of use. During cutting, a cutting tool is usually clamped and fixed by a clamping structure such as a chuck on a processing device, so that the cutting requirement is met. However, the existing clamping structure has poor clamping stability to the cutter, the cutter is easy to loosen, and even the cutter falls off, so that the cutting machining precision of the mechanical part or the safety performance of the cutting machining are affected, the damage to the mechanical part is easy to discard, and the clamping structure capable of effectively clamping and fixing the cutter is required to be designed to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a cutter clamping mechanism and processing equipment, and solves the problems that the clamping stability of the clamping mechanism to a cutter in the prior art is poor, and the cutter is easy to loosen or fall.

In order to achieve the above object, the present utility model provides the following technical solutions:

a cutter fixture for centre gripping fixed cutter, be equipped with the grip slot on the cutter, cutter fixture includes:

the base body is provided with a positioning part for positioning the cutter;

the clamping piece is connected to the base body in a sliding manner, and a clamping convex block matched with the clamping groove is arranged on the clamping piece;

the driving assembly comprises a driving source and a driving screw rod in driving connection with the driving source; the driving screw is in driving connection with the clamping piece so as to drive the clamping convex blocks to be clamped into or withdraw from the clamping grooves.

Optionally, the driving assembly further comprises a thread block and a swing rod;

the thread block is in threaded connection with the driving screw, and the axial direction of the driving screw is perpendicular to the sliding direction of the clamping piece;

the first end of the swing rod is hinged with the threaded block, the second end of the swing rod is hinged with the clamping piece, and the swing rod is obliquely arranged relative to the axis of the driving screw.

Optionally, the clamping piece and the swing rod are both provided with two pieces; the two clamping pieces are symmetrically arranged about the axis of the driving screw, and the two swing rods are symmetrically arranged about the axis of the driving screw.

Optionally, the driving assembly further comprises a first connecting shaft and a second connecting shaft which are parallel to each other; the axis of the first connecting shaft is perpendicular to the axis of the driving screw; the first connecting shaft is fixedly arranged on the threaded block, and a first connecting hole matched and connected with the first connecting shaft is formed in the first end of the swing rod; the second connecting shaft is fixedly arranged on the clamping piece, and a second connecting hole matched and connected with the second connecting shaft is formed in the second end of the swing rod.

Optionally, the cutter clamping mechanism further comprises a guide rod, the guide rod is fixedly arranged on the base body, a third connecting hole matched and connected with the guide rod is formed in the clamping piece, and the guide rod penetrates through the third connecting hole.

Optionally, the guide rod is provided with a plurality of guide rods, and the guide rods are arranged in parallel.

Optionally, the tool clamping mechanism further comprises a telescopic member and an elastic member; one end of the telescopic piece is connected with the base body, and the other end of the telescopic piece is connected with one side, far away from the guide rod, of the clamping piece; the elastic piece is sleeved on the telescopic piece, one end of the elastic piece is abutted to the seat body, and the other end of the elastic piece is abutted to the clamping piece.

Optionally, the driving source is a servo motor or a rotary cylinder.

The utility model also provides processing equipment, which comprises a machine base and the cutter clamping mechanism; the base body of the cutter clamping mechanism is rotatably connected to the base.

Optionally, the stand comprises a base, a first electric push rod, a second electric push rod and a driving motor; the first electric push rod is vertically and fixedly arranged on the base; the second electric push rod and the first electric push rod are mutually perpendicular; one end of the second electric push rod is connected with the first electric push rod, and the other end of the second electric push rod is fixedly connected with the driving motor; the driving end of the driving motor is connected with the seat body.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a cutter clamping mechanism and processing equipment, wherein the cutter clamping mechanism drives and adjusts a clamping piece through a driving screw rod, so that when the clamping piece is in a clamping state, the clamping piece can not slide only by ensuring that the driving screw rod stops rotating, thereby ensuring that a stable and reliable matching connection relation exists between a clamping convex block and a clamping groove, ensuring that a cutter has better clamping stability and is not easy to generate risks of loosening and falling, and further being beneficial to ensuring the safety of cutting processing and the cutting processing precision, so as to facilitate processing and use.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a prior art tool configuration;

FIG. 2 is a schematic view of the whole structure of the tool holding mechanism according to the present utility model;

FIG. 3 is a left side view of the tool holding mechanism provided by the present utility model;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3, provided by the present utility model;

FIG. 5 is a schematic view of a seat according to the present utility model;

fig. 6 is a schematic diagram of the overall structure of the processing apparatus provided by the present utility model.

In the above figures: 1. a cutter; 11. a clamping groove; 2. a base; 21. a positioning part; 3. a clamping member; 31. clamping the protruding blocks; 4. a drive assembly; 41. a driving source; 42. driving a screw; 43. a screw block; 44. swing rod; 45. a first connecting shaft; 46. a second connecting shaft; 5. a guide rod; 6. a telescoping member; 7. an elastic member; 8. a base; 81. a base; 82. a first electric push rod; 83. a second electric push rod; 84. and driving the motor.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. Wherein the exemplary embodiments are described as processes or methods depicted as flowcharts; although a flowchart depicts various operations or step processes as a certain order, many of the operations or steps can be performed in parallel, concurrently or simultaneously, and the order of the various operations can be rearranged. When its operations or steps are completed, the corresponding process may be terminated, and there may be additional steps not included in the drawings. The processes described above may correspond to methods, functions, procedures, subroutines, and the like, and embodiments of the utility model and features of the embodiments may be combined with one another without conflict.

The term "comprising" and variants thereof as used herein is intended to be open ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings; it is to be understood that for convenience of description, only some, but not all of the structures relevant to the present utility model are shown in the drawings.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a tool clamping mechanism for clamping and fixing a tool 1, wherein a clamping groove 11 is formed on the tool 1, and the tool clamping mechanism includes:

a base body 2, wherein a positioning part 21 for positioning the cutter 1 is arranged on the base body 2; the positioning part 21 is arranged in a groove-shaped structure;

the clamping piece 3, the clamping piece 3 is connected to the base 2 in a sliding way, and the clamping piece 3 is provided with a clamping convex block 31 which is matched with the clamping groove 11;

a drive assembly 4, the drive assembly 4 comprising a drive source 41 and a drive screw 42 drivingly connected to the drive source 41; the driving screw 42 is in driving connection with the clamping member 3 to drive the clamping projection 31 to be clamped into or out of the clamping groove 11. In this embodiment, the driving source 41 may be a servo motor or a rotary cylinder.

According to the above scheme, the mounting end of the cutter 1 is matched with the positioning part 21, and then the driving source 41 drives the driving screw 42 to rotate, so that the clamping piece 3 can be driven to slide on the base 2 until the clamping convex block 31 is clamped into the clamping groove 11, and the clamping and fixing of the cutter 1 can be realized, so as to meet the mounting and use requirements; moreover, as the clamping piece 3 is driven and regulated by the driving screw 42, when the clamping piece 3 is in a clamping state, the clamping piece 3 can not slide only by ensuring that the driving screw 42 stops rotating, so that the clamping piece 1 has a stable and reliable matching connection relationship with the clamping groove 11, the cutter 1 has better clamping stability, the risks of loosening and falling are not easy to generate, and the safety and the cutting precision of cutting processing are ensured, so that the cutter is convenient to process and use; on the contrary, the driving source 41 drives the driving screw 42 to rotate reversely, so as to drive the clamping piece 3 to slide in the direction until the clamping convex block 31 is withdrawn out of the clamping groove 11, and the cutter 1 can be taken down from the base body 2.

Further, in order to facilitate the driving connection between the driving screw 42 and the clamping member 3, so as to meet the use requirement, the driving assembly 4 further includes a threaded block 43 and a swing rod 44;

the thread block 43 is in threaded connection with the driving screw 42, and the axial direction of the driving screw 42 is mutually perpendicular to the sliding direction of the clamping piece 3;

the first end of the swing rod 44 is hinged with the threaded block 43, the second end of the swing rod 44 is hinged with the clamping piece 3, and the swing rod 44 is obliquely arranged relative to the axis of the driving screw 42.

In this embodiment, the driving source 41 drives the driving screw 42 to rotate, so that the threaded block 43 can move along the axial direction of the driving screw 42, and the inclination angle of the swing rod 44 relative to the axial direction of the driving screw 42 can be changed, so that the projection length of the two end portions of the swing rod 44 in the sliding direction of the clamping piece 3 can be changed, and the clamping piece 3 can slide to meet the use requirement.

It can be appreciated that when the axial direction of the driving screw 42 is parallel to the sliding direction of the clamping member 3, the clamping member 3 can be driven to slide on the seat 2 by the threaded connection of the driving screw 42 and the clamping member 3, so as to meet the use requirement.

Further, in order to facilitate the improvement of the clamping stability of the cutter 1, the clamping piece 3 and the swing rod 44 are provided with two pieces; the two clamping pieces 3 are symmetrically arranged about the axis of the driving screw 42, and the two swing rods 44 are symmetrically arranged about the axis of the driving screw 42; at this time, the two clamping protrusions 31 are respectively clamped into the two clamping grooves 11 of the cutter 1, so that the cutter 1 can be more stably and reliably fixed on the seat body 2.

Further, in order to facilitate the hinging of the two ends of the swing rod 44 to the threaded block 43 and the clamping member 3 respectively, so as to meet the use requirement, the driving assembly 4 further comprises a first connecting shaft 45 and a second connecting shaft 46 which are parallel to each other; the axis of the first connecting shaft 45 and the axis of the driving screw 42 are arranged perpendicular to each other; the first connecting shaft 45 is fixedly arranged on the threaded block 43, and a first connecting hole which is matched and connected with the first connecting shaft 45 is formed in the first end of the swing rod 44; the second connecting shaft 46 is fixedly arranged on the clamping piece 3, and a second connecting hole which is matched and connected with the second connecting shaft 46 is arranged on the second end of the swing rod 44.

Further, in order to make the clamping piece 3 only can follow the direction sliding adjustment of predetermineeing on the pedestal 2 to be convenient for realize that clamping lug 31 is connected with clamping groove 11 cooperation, in order to satisfy the user demand, this cutter fixture still includes guide bar 5, and guide bar 5 sets firmly on the pedestal 2, is equipped with the third connecting hole of being connected with guide bar 5 cooperation on the clamping piece 3, and guide bar 5 runs through the third connecting hole.

In this embodiment, guide bar 5 is equipped with many, and many guide bars 5 mutual parallel arrangement to can be favorable to promoting the slip steady performance of holder 3 on pedestal 2, in order to avoid holder 3 to produce the situation of slope or skew, and then facilitate the use.

Further, in order to facilitate the improvement of the stability of the clamping member 3 during sliding, the tool clamping mechanism further comprises a telescopic member 6 and an elastic member 7; one end of the telescopic piece 6 is connected with the seat body 2, and the other end of the telescopic piece is connected with one side of the clamping piece 3 away from the guide rod 5; the elastic piece 7 is sleeved on the telescopic piece 6, one end of the elastic piece 7 is abutted with the seat body 2, and the other end is abutted with the clamping piece 3.

In this embodiment, the expansion and contraction member 6 can automatically perform expansion and contraction adjustment when receiving a force in the axial direction. The elastic member 7 is preferably a compression spring; the telescopic part 6 is arranged at the upper end of the clamping part 3, the guide rod 5 is arranged at the lower end of the clamping part 3, so that the stress at the upper end and the lower end of the clamping part 3 can be balanced by arranging the telescopic part 6 and the elastic part 7, the sliding stability of the clamping part 3 on the base body 2 can be improved, and the service life of the clamping part 3 can be prolonged.

Referring to fig. 6, the embodiment of the present utility model further provides a machining apparatus, which includes a stand 8 and the tool clamping mechanism described above; the base body 2 of the cutter clamping mechanism is rotatably connected to the base 8.

In this embodiment, the stand 8 includes a base 81, a first electric push rod 82, a second electric push rod 83, and a driving motor 84; the first electric push rod 82 is vertically fixed on the base 81; the second electric push rod 83 and the first electric push rod 82 are arranged perpendicular to each other; one end of the second electric push rod 83 is connected with the first electric push rod 82, and the other end is fixedly connected with the driving motor 84; the driving end of the driving motor 84 is connected to the base 2. By providing the first electric push rod 82, the second electric push rod 83 and the driving motor 84, the cutting tool 1 can be used at different heights and directions.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A tool clamping mechanism for clamping and fixing a tool (1), wherein a clamping groove (11) is formed in the tool (1), and the tool clamping mechanism comprises:

the cutter comprises a base body (2), wherein a positioning part (21) for positioning the cutter (1) is arranged on the base body (2);

the clamping piece (3), the clamping piece (3) is connected to the base body (2) in a sliding manner, and the clamping piece (3) is provided with a clamping convex block (31) matched with the clamping groove (11);

a drive assembly (4), the drive assembly (4) comprising a drive source (41) and a drive screw (42) in driving connection with the drive source (41); the driving screw (42) is in driving connection with the clamping piece (3) so as to drive the clamping convex block (31) to be clamped into or out of the clamping groove (11).

2. The tool clamping mechanism according to claim 1, wherein the drive assembly (4) further comprises a threaded block (43) and a swing link (44);

the thread block (43) is in threaded connection with the driving screw (42), and the axial direction of the driving screw (42) is perpendicular to the sliding direction of the clamping piece (3);

the first end of the swing rod (44) is hinged with the threaded block (43), the second end of the swing rod is hinged with the clamping piece (3), and the swing rod (44) is obliquely arranged relative to the axis of the driving screw (42).

3. Tool clamping mechanism according to claim 2, characterized in that the clamping member (3) and the pendulum rod (44) are provided in two pieces; the two clamping pieces (3) are symmetrically arranged about the axis of the driving screw (42), and the two swinging rods (44) are symmetrically arranged about the axis of the driving screw (42).

4. The tool clamping mechanism according to claim 2, wherein the drive assembly (4) further comprises a first connecting shaft (45) and a second connecting shaft (46) parallel to each other; the axis of the first connecting shaft (45) and the axis of the driving screw (42) are mutually perpendicular; the first connecting shaft (45) is fixedly arranged on the threaded block (43), and a first connecting hole which is matched and connected with the first connecting shaft (45) is formed in the first end of the swing rod (44); the second connecting shaft (46) is fixedly arranged on the clamping piece (3), and a second connecting hole which is matched and connected with the second connecting shaft (46) is formed in the second end of the swing rod (44).

5. The tool clamping mechanism according to claim 1, further comprising a guide rod (5), wherein the guide rod (5) is fixedly arranged on the base body (2), a third connecting hole matched and connected with the guide rod (5) is formed in the clamping piece (3), and the guide rod (5) penetrates through the third connecting hole.

6. Tool clamping mechanism according to claim 5, characterized in that the guide bar (5) is provided with a plurality of pieces, the guide bars (5) being arranged parallel to each other.

7. The tool clamping mechanism according to claim 5, further comprising a telescoping member (6) and an elastic member (7); one end of the telescopic piece (6) is connected with the seat body (2), and the other end of the telescopic piece is connected with one side, far away from the guide rod (5), of the clamping piece (3); the elastic piece (7) is sleeved on the telescopic piece (6), one end of the elastic piece (7) is abutted to the base body (2), and the other end of the elastic piece is abutted to the clamping piece (3).

8. Tool clamping mechanism according to claim 1, characterized in that the drive source (41) is a servo motor or a rotary cylinder.

9. A machining apparatus, characterized by comprising a housing (8) and a tool clamping mechanism according to any one of claims 1 to 8; the base body (2) of the cutter clamping mechanism is rotatably connected to the base (8).

10. The processing apparatus according to claim 9, wherein the housing (8) comprises a base (81), a first electric push rod (82), a second electric push rod (83) and a drive motor (84); the first electric push rod (82) is vertically and fixedly arranged on the base (81); the second electric push rod (83) and the first electric push rod (82) are mutually perpendicular; one end of the second electric push rod (83) is connected with the first electric push rod (82), and the other end of the second electric push rod is fixedly connected with the driving motor (84); the driving end of the driving motor (84) is connected with the seat body (2).