CN212682462U

CN212682462U - Cutter clamping device

Info

Publication number: CN212682462U
Application number: CN202021528016.7U
Authority: CN
Inventors: 刘汉成
Original assignee: Shanghai Handi Mechanical Equipment Co ltd
Current assignee: Shanghai Handi Mechanical Equipment Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-12
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a cutter clamping device, which relates to the technical field of cutter clamping and comprises a fixed seat and a clamping mechanism, wherein the cutter is provided with a fixed hole, and the fixed seat is provided with a mounting groove; the clamping mechanism comprises a positioning column vertically arranged on the fixed seat, a guide column fixed in the mounting groove, a first spring sleeved on the guide column and a sliding seat arranged in the mounting groove; the sliding seat is sleeved on the guide post and arranged in a sliding manner along the length direction of the guide post; one end of the first spring is abutted against the sliding seat, and the other end of the first spring is abutted against the mounting groove; a butting plate is formed on one side of the sliding seat, and one end of the butting plate extends towards the direction close to the positioning column and is in sliding fit with the fixed seat; one side of the abutting plate close to the positioning column is provided with a V-shaped notch; a pressing block for pressing the cutter is arranged on one side, away from the sliding seat, of the abutting plate; the pressing block and the butt plate are fixed through a first bolt. The utility model discloses have the effect that improves the stability after the cutter installation.

Description

Cutter clamping device

Technical Field

The utility model belongs to the technical field of the cutter centre gripping technique and specifically relates to a cutter clamping device is related to.

Background

At present, a tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool. The tool is widely applied to machining of a machine tool, and is often used after being fixedly clamped through a clamping device.

When an existing turning tool is fixed, the turning tool is generally compressed and fixed only through a longitudinal pressing disc, and the turning tool can generate micro-rotation deviation when being actually machined and used, so that the machined product is unqualified.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cutter clamping device is favorable to improving the stability after the cutter installation.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a cutter clamping device comprises a fixed seat and a clamping mechanism which is arranged on the fixed seat and used for fixing a cutter, wherein the cutter is provided with a fixed hole, and a mounting groove is formed in the position, close to one end of the fixed seat, on the fixed seat; the clamping mechanism comprises a positioning column which is vertically arranged on the fixed seat and is used for positioning the cutter, a guide column which is fixed in the mounting groove, a first spring which is sleeved on the guide column and a sliding seat which is arranged in the mounting groove; the positioning column is positioned on one side of the mounting groove close to the end part of the fixed seat; the length direction of the guide post is consistent with that of the fixed seat; the sliding seat is sleeved on the guide post and arranged in a sliding manner along the length direction of the guide post; one end of the first spring is abutted against the sliding seat, and the other end of the first spring is abutted against the mounting groove; a butting plate is formed on one side of the sliding seat, and one end of the butting plate extends towards the direction close to the positioning column and is in sliding fit with the fixed seat; one side of the abutting plate close to the positioning column is provided with a V-shaped notch; a pressing block for pressing the cutter is arranged on one side, away from the sliding seat, of the abutting plate; the pressing block and the butt plate are fixed through a first bolt.

Through adopting above-mentioned technical scheme, when fixing the cutter, at first press the saddle to the one side that deviates from the reference column, make first spring compressed, place the cutter on the fixing base, reference column and fixed orifices grafting cooperation, loosen pressing down to the slide, under the effect of first spring, make the inboard of V-arrangement breach and the tip butt of cutter on the butt plate, fix a position and the restriction to the cutter, make the cutter difficult emergence rotation in the course of working, and the extrusion of butt plate to cutter tip can make the pore wall of fixed orifices and the week side of reference column support tightly, make the cutter install ground more stable. The pressing block is fixed on one side of the abutting plate through the first bolt, so that the pressing block abuts against the side face of the cutter, the cutter is clamped and fixed, the cutter is more stably installed and fixed, the cutter is not prone to offset rotation, and the quality of the cutter for cutting workpieces is improved.

The present invention may be further configured in a preferred embodiment as: one end of the fixed seat close to the positioning column is provided with a jack; a threaded hole is formed in the groove wall of the fixing seat, which is located on the mounting groove and away from the positioning column; the center lines of the jack and the threaded hole are overlapped; and the end part of the guide post is provided with an external thread in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, place the slide in the mounting groove, peg graft in the jack with the guide post from the one end of fixing base again for the tip that the guide post was provided with the external screw thread passes the slide and with screw hole threaded connection, thereby be fixed in the mounting groove with the guide post, make the slide can slide along the length direction of guide post.

The present invention may be further configured in a preferred embodiment as: an avoidance hole is formed in the abutting plate and is positioned at the tip end of the V-shaped notch; the avoiding hole is communicated with the V-shaped notch.

Through adopting above-mentioned technical scheme, can avoid the afterbody and the butt board of cutter to produce the interference, set up and dodge the hole, one side of cutter can be laminated with the surface of fixing base, is favorable to guaranteeing that the cutter is by more stable of centre gripping.

The present invention may be further configured in a preferred embodiment as: a second bolt fixed with the abutting plate is arranged on the pressing block; the second bolt and the first bolt are arranged side by side along the length direction of the pressing block.

Through adopting above-mentioned technical scheme, set up the second bolt, can carry on spacingly to the compact heap for the compact heap is in fixed back, and difficult emergence is rotated, can keep compressing tightly to the cutter reliably, further improves the stability after the cutter installation is fixed.

The present invention may be further configured in a preferred embodiment as: and a second spring is arranged on the first bolt and between the abutting plate and the pressing block.

Through adopting above-mentioned technical scheme, the second spring is established to the cover on first bolt, when needs change the cutter, through unscrewing first bolt and second bolt for leave certain interval between compact heap and the butt board, peg graft on the reference column with the fixed orifices of cutter in order to be convenient, simultaneously under the effect of second spring, make the compact heap can keep with the interval of butt board, need not take off the compact heap completely and remove the installation cutter, be favorable to improving the efficiency of installation cutter. After the first bolt is screwed up, due to the effect of the second spring, the first bolt is screwed up and then a force is given to the first bolt, the friction force between the first bolt and the abutting plate is increased, the looseness of the first bolt caused by vibration in the use of the cutter is prevented, the fixing effect on the pressing block can be improved, the cutter is fixed stably, and meanwhile, the damage of the cutter caused by the overlarge extrusion force of the pressing block to the cutter can be avoided.

The present invention may be further configured in a preferred embodiment as: two guide posts are arranged at intervals along the width direction of the sliding seat.

Through adopting above-mentioned technical scheme, set up two guide posts, can improve the slide along the gliding stability of guide post for the tight effect of supporting of butt board to the cutter is better.

The present invention may be further configured in a preferred embodiment as: a groove is formed in one side of the sliding seat, which is close to the bottom of the mounting groove; the two guide posts are respectively positioned on two sides of the width direction of the groove.

Through adopting above-mentioned technical scheme, set up the recess in one side of slide, can reduce the material of slide, alleviate the holistic quality of slide, under the effect of first spring, loosen the back of pressing to the slide, the butt board can butt in the tip of cutter fast.

The present invention may be further configured in a preferred embodiment as: two sides of the mounting groove respectively penetrate through two side walls of the fixed seat; handles are arranged on two sides of the sliding seat in the width direction.

Through adopting above-mentioned technical scheme, set up the handle, can conveniently press the butt joint board, further improve the efficiency to the cutter installation.

To sum up, the utility model discloses following beneficial effect has:

1. the pressing mechanism is arranged to position and limit the cutter, so that the cutter is not easy to rotate in the machining process, and the pressing of the abutting plate to the end part of the cutter can enable the hole wall of the fixing hole to abut against the periphery of the positioning column, so that the cutter is more stably installed;

2. the second bolt is arranged, so that the compressing block can be limited, the compressing block is not easy to rotate after being fixed, the compressing of the cutter can be reliably kept, and the stability of the cutter after being installed and fixed is further improved;

3. set up the handle, can conveniently press the butt joint board, further improve the efficiency to the cutter installation.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

fig. 2 is a schematic structural view of a clamping mechanism of the embodiment.

Reference numerals: 1. a fixed seat; 11. mounting grooves; 12. a jack; 13. a threaded hole; 2. a clamping mechanism; 21. a positioning column; 22. a guide post; 23. a slide base; 231. a guide hole; 232. a groove; 24. a first spring; 25. a handle; 26. a butt joint plate; 261. a V-shaped notch; 262. avoiding holes; 27. a compression block; 271. a pressing part; 28. a first bolt; 281. a second spring; 29. and a second bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a tool clamping device, including fixing base 1 and fixture 2. The fixing base 1 is rectangular. The fixing seat 1 is provided with a mounting groove 11 at a position close to one end of the fixing seat 1, and two groove walls of the mounting groove 11 respectively penetrate through two side walls of the fixing seat 1 in the width direction. The clamping mechanism 2 is fixedly arranged on the fixed seat 1 and used for clamping and fixing the cutter. The cutter is provided with a fixing hole. The clamping mechanism 2 includes a positioning post 21, a guide post 22, a slide 23, and a first spring 24.

Referring to fig. 2, the positioning column 21 is vertically welded on the fixing base 1, the positioning column 21 is located on one side of the mounting groove 11 close to the end of the fixing base 1, and the positioning column 21 is in insertion fit with the fixing hole.

Referring to fig. 2, two guide posts 22 are spaced apart from each other in the width direction of the slider 23, so that the slider 23 can move more stably and reliably. Two guide posts 22 are all fixed in mounting groove 11, and the length direction of guide post 22 is unanimous with the length direction of fixing base 1. The fixing base 1 is close to the one end of reference column 21 and has seted up jack 12, and the last mounting groove 11 that just is located of fixing base 1 is seted up threaded hole 13 on deviating from the cell wall of reference column 21. The centre lines of the socket 12 and the threaded hole 13 coincide. The end of the guide post 22 is tapped with an external thread to be in threaded engagement with the threaded hole 13.

Referring to fig. 2, a guide hole 231 is formed at one end of the slider 23, and the guide hole 231 is formed along the length direction of the slider 23. The end of the guide post 22, which is externally threaded, passes through the insertion hole 12 and the guide hole 231 and is threadedly coupled to the threaded hole 13. The length of the sliding seat 23 is less than that of the mounting groove 11, so that the sliding seat 23 can be arranged in a sliding manner along the length direction of the guide column 22. One side of the sliding seat 23 close to the bottom of the mounting groove 11 is provided with a groove 232, and the two guide posts 22 are respectively positioned on two sides of the groove 232 in the width direction. Handles 25 are welded on two sides of the sliding seat 23 in the width direction, the handles 25 are of a cylindrical rod structure, and the length direction of the handles 25 is perpendicular to the length direction of the fixed seat 1.

Referring to fig. 1 and 2, the first spring 24 is sleeved on the guide post 22, one end of the first spring 24 abuts against the sliding seat 23, and the other end of the first spring 24 abuts against a groove wall of the mounting groove 11.

Referring to fig. 1 and 2, a contact plate 26 is formed on one side of the sliding seat 23 away from the mounting groove 11, and one end of the contact plate 26 extends towards a direction close to the positioning column 21 and is in sliding fit with the surface of the fixing seat 1. One side of the abutting plate 26 close to the positioning column 21 is provided with a V-shaped notch 261. An avoiding hole 262 is formed in the abutting plate 26 and located at the tip of the V-shaped notch 261, and the avoiding hole 262 is communicated with the V-shaped notch 261.

With reference to fig. 2, the side of the abutment plate 26 facing away from the slide 23 is formed with a pressing block 27. The pressing block 27 is rectangular, inclined surfaces are arranged on two sides of the pressing block 27 in the width direction and at positions close to the positioning columns 21, and a pressing portion 271 is formed on one side of the pressing block 27 close to the fixed seat 1.

Referring to fig. 2, the pressing block 27 and the abutting plate 26 are fixed by the first bolt 28, and the second spring 281 is sleeved on the first bolt 28 and at a position between the abutting plate 26 and the pressing block 27, after the pressing block 27 and the abutting plate 26 are fixed by the first bolt 28, the first bolt 28 is pressed by the elastic force of the second spring 281, so that the friction force between the first bolt 28 and the abutting plate 26 is increased, the first bolt 28 is prevented from loosening due to vibration during the use of the cutter, the fixing effect on the pressing block 27 can be improved, and the cutter is stably fixed. A second bolt 29 fixed to the abutment plate 26 is also screwed to the pressing block 27. The second bolt 29 and the first bolt 28 are arranged side by side along the length direction of the pressing block 27, and can limit the pressing block 27, so that the pressing block 27 is not easy to rotate after being fixed, the pressing of the cutter can be reliably kept, and the stability of the cutter after being installed and fixed is further improved. After the first bolt 28 and the second bolt 29 pass through the pressing block 27 to fix the pressing block 27 on the abutting plate 26, the pressing portion 271 abuts against the cutter.

The implementation principle of the embodiment is as follows: when the cutter is fixed, firstly, the sliding seat 23 is pressed to one side away from the positioning column 21 through the handle 25, so that the first spring 24 is compressed, the cutter is placed on the fixing seat 1, the positioning column 21 is in insertion fit with the fixing hole, the pressing of the sliding seat 23 is released, under the action of the first spring 24, the inner side of the V-shaped notch 261 on the abutting plate 26 is abutted to the end part of the cutter, the cutter is positioned and limited, the cutter is not easy to rotate in the machining process, and the abutting plate 26 can tightly abut to the peripheral side of the fixing hole and the positioning column 21 by extruding the end part of the cutter, so that the cutter is more stably installed. The pressing block 27 is fixed on one side of the abutting plate through the first bolt 28 and the second bolt 29, so that the pressing portion 271 on the pressing block 27 abuts against one side of the cutter, the clamping and fixing of the cutter are completed, the cutter is more stably installed and fixed, the deviation rotation is not easy to generate, and the quality of cutting and machining of the cutter is guaranteed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a cutter clamping device, includes fixing base (1), sets up fixture (2) on fixing base (1) and be used for fixed cutter, be equipped with the fixed orifices on the cutter, its characterized in that: the fixed seat (1) is provided with a mounting groove (11); the clamping mechanism (2) comprises a positioning column (21) which is vertically arranged on the fixed seat (1) and matched with the fixed hole, a guide column (22) fixed in the installation groove (11), a first spring (24) sleeved on the guide column (22) and a sliding seat (23) arranged in the installation groove (11); the positioning column (21) is positioned on one side of the mounting groove (11) close to the end part of the fixed seat (1); the length direction of the guide column (22) is consistent with that of the fixed seat (1); the sliding seat (23) is sleeved on the guide post (22) and is arranged in a sliding manner along the length direction of the guide post (22); one end of the first spring (24) is abutted against the sliding seat (23), and the other end of the first spring (24) is abutted against the mounting groove (11); one side of the sliding seat (23) is formed with a butt joint plate (26), and one end of the butt joint plate (26) extends towards the direction close to the positioning column (21) and is in sliding fit with the fixed seat (1); one side of the abutting plate (26) close to the positioning column (21) is provided with a V-shaped notch (261); a pressing block (27) for pressing the cutter is arranged on one side of the abutting plate (26) departing from the sliding seat (23); the pressing block (27) and the abutting plate (26) are fixed through a first bolt (28).

2. A tool holding apparatus according to claim 1, wherein: one end of the fixed seat (1) close to the positioning column (21) is provided with an insertion hole (12); a threaded hole (13) is formed in the groove wall, which is positioned on the mounting groove (11) and is far away from the positioning column (21), of the fixing seat (1); the center lines of the insertion hole (12) and the threaded hole (13) are overlapped; and the end part of the guide post (22) is provided with an external thread in threaded connection with the threaded hole (13).

3. A tool holding apparatus according to claim 1, wherein: an avoidance hole (262) is formed in the abutting plate (26) and is positioned at the tip of the V-shaped notch (261); the avoiding hole (262) is communicated with the V-shaped notch (261).

4. A tool holding apparatus according to claim 1, wherein: the pressing block (27) is provided with a second bolt (29) fixed with the abutting plate (26); the second bolt (29) and the first bolt (28) are arranged side by side along the length direction of the pressing block (27).

5. A tool holding apparatus according to claim 1, wherein: and a second spring (281) is arranged on the first bolt (28) and positioned between the abutting plate (26) and the pressing block (27).

6. A tool holding apparatus according to claim 1, wherein: two guide posts (22) are arranged at intervals along the width direction of the sliding seat (23).

7. A tool holding apparatus according to claim 6, wherein: a groove (232) is formed in one side of the sliding seat (23) close to the bottom of the mounting groove (11); the two guide columns (22) are respectively positioned on two sides of the width direction of the groove (232).

8. A tool holding apparatus according to claim 1, wherein: two sides of the mounting groove (11) respectively penetrate through two side walls of the fixing seat (1); handles (25) are arranged on two sides of the sliding seat (23) in the width direction.