CN210498421U

CN210498421U - Multi-station cutter clamping device

Info

Publication number: CN210498421U
Application number: CN201920831207.1U
Authority: CN
Inventors: 尚耀龙; 刘迎
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-05-12
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a multi-station tool clamping device, which comprises a tool holder main body, a tool apron and a fastening assembly; the tool holder main body is positioned on the side surface of the tool holder, and the fastening assembly is positioned on the tool holder main body; the end part of the cutter holder main body is provided with a first groove part; a positioning assembly is arranged at the end part of the tool apron, one end of the positioning assembly is fixedly connected with the tool apron, the other end of the positioning assembly can be inserted into the first groove part, a plurality of tool mounting holes are formed in the tool apron, and tools can be accommodated in the tool mounting holes; the fastening assembly is used for fixing or loosening the tool holder body and the positioning assembly. The utility model discloses a device is made simply, and positioning accuracy is high, and easy dismounting has avoided frequent change cutter in the course of working, has improved the machining precision and the production efficiency of part.

Description

Multi-station cutter clamping device

Technical Field

The utility model relates to a center lathe cutter clamping field, concretely relates to multistation cutter clamping device.

Background

When the common lathe is used for processing special-shaped parts, the multiple cutters at the same position need to be clamped and processed at one time, but at most 4 cutters can be clamped and processed at one time by the tool apron of the common lathe. The processing of such different-property parts can only be carried out by using an assembling clamp on a common lathe, a plurality of cutters such as an outer circular cutter, a boring cutter, an inner groove cutter, an outer threaded cutter, an inner groove cutter and a drill bit are often required in the processing process, the cutters need to be replaced repeatedly when a batch of parts are processed, the workload of workers is increased, the working efficiency of the workers is reduced, and the processing precision of the parts can be influenced by repeated clamping. Therefore, aiming at the processing of the special-shaped parts, the common lathe is limited by the tool rest and cannot meet the clamping requirement. The utility model provides a convenience, provides a high accuracy, the cutter clamping device of multistation in order to adapt to different processing demands, and on the other hand to the processing of these special-shaped parts, has designed a multistation cutter clamping device specially, can the centre gripping firm, avoids frequent tool changing, improves work efficiency, becomes the problem that an eager needs to be solved.

Disclosure of Invention

The utility model provides a multi-station tool clamping device, aiming at the problems, and comprising a tool holder main body, a tool apron and a fastening component;

the tool holder main body is positioned on the side surface of the tool holder, and the fastening assembly is positioned on the tool holder main body;

the end part of the cutter holder main body is provided with a first groove part;

a positioning assembly is arranged at the end part of the tool apron, one end of the positioning assembly is fixedly connected with the tool apron, the other end of the positioning assembly can be inserted into the first groove part, a plurality of tool mounting holes are formed in the tool apron, and tools can be accommodated in the tool mounting holes;

the fastening assembly is used for fixing or loosening the tool holder body and the positioning assembly.

Furthermore, a second sawtooth is arranged on the outer side of the fastening assembly, a first sawtooth is arranged on the positioning assembly, and the first sawtooth is meshed with the second sawtooth.

Still further, the fastening assembly includes a tension bolt.

Still further, the positioning component is a positioning pin.

Furthermore, the number of the tool mounting holes is three, and the tool mounting holes comprise a first tool mounting hole, a second tool mounting hole and a third tool mounting hole.

Furthermore, the first cutter mounting hole is a cuboid with the height of 20mm and the width of 20 mm; the second cutter mounting hole is a cylindrical through hole with the diameter of 20 mm; the third cutter mounting hole is a cylindrical through hole with the diameter of 16 mm.

Further, the first tool mounting hole is used for clamping one of an outer cutter and a self-grinding tool; the second cutter mounting hole is used for clamping one of a boring cutter and a drill bit with the diameter of below 20 mm; the third cutter mounting hole is used for clamping one of a boring cutter, a drill bit, a center drill and a screw tap with the diameter of below 16 mm.

Still further, the tool comprises one or more of an outer circle tool, a self-sharpening tool, a boring tool, a drill bit, a center drill, and a tap.

Furthermore, a fastener is arranged on the cutter mounting hole.

Furthermore, the multi-station tool clamping device further comprises a positioning block, the positioning block is located on the tool apron, a third groove is formed in the tool holder main body, and the size of the third groove is matched with that of the positioning block.

The utility model has the advantages that:

the utility model discloses a multistation cutter clamping device can realize the clamping of the last many cutters of a sword position of center lathe. In order to better exert the effective processing range of the cutter and avoid interference among stations, workers need to reasonably select the stations according to the type and specification of the cutter and then rotate the cutter through the cutter holder to switch the cutter; the positioning block in the tool apron is connected with the tool holder main body, so that the repeated positioning precision of the tool apron is improved; the positioning component is matched with the saw teeth of the fastening component to realize free connection and loosening of the tool apron and the tool holder main body. The multi-station tool clamping device can realize the clamping effect of a plurality of tools at one tool position on a common lathe, avoid frequent tool setting when the tools are replaced in the machining process, reduce the time for replacing the tools and improve the machining precision and the production efficiency of parts.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic perspective view of a multi-station tool clamping device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a multi-station tool clamping device according to an embodiment of the present invention, which is rotated 180 degrees in fig. 1;

fig. 3 is a schematic left side view of fig. 2 of a multi-station tool clamping device according to an embodiment of the present invention;

fig. 4 is an exploded view of a multi-station tool clamping device according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a multi-station tool clamping device according to an embodiment of the present invention along a horizontal plane;

fig. 6 is a schematic bottom view of a multi-station tool clamping device and a clamping manner of a tool according to an embodiment of the present invention;

fig. 7 is a schematic view of a mounting manner of the multi-station tool clamping device and the lathe tool rest according to the embodiment of the present invention.

Reference numerals:

1 is a tool holder main body, 11 is a first groove portion, 12 is a threaded hole, 2 is a tool holder, 21 is a second groove portion, 22 is a positioning component, 221 is a first saw tooth, 3 is a fastener, 4 is a tool mounting hole, 41 is a first tool mounting hole, 42 is a second tool mounting hole, 43 is a third tool mounting hole, 5 is a positioning block, 6 is a fastening component, 61 is an outer cylinder, 611 is a second saw tooth, 62 is a first body, 63 is a second body, and 7 is a lathe tool rest.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 5, as shown in fig. 1 to 5, the multi-station tool clamping device includes a tool holder body 1, a tool seat 2, and a fastening assembly 6, wherein the tool holder body 1 is located on the side of the tool seat 2, and the fastening assembly 6 is located on the tool holder body 1. The end of the holder body 1 is provided with a first groove portion 11. The end portion of the tool apron 2 is provided with a positioning component 22, one end of the positioning component 22 is fixedly connected with the tool apron 2, the other end of the positioning component 22 can be inserted into the first groove portion 11, the tool apron 2 is provided with a plurality of tool mounting holes 4, and the tools can be accommodated in the tool mounting holes 4. The fastening assembly 6 is used for fixing or loosening the holder body 1 and the positioning assembly 22.

The multi-station tool clamping device can well realize the clamping effect of a plurality of tools at one tool position on a common lathe, avoid frequent tool setting when the tools are replaced in the machining process, reduce the time for replacing the tools and improve the machining precision and the production efficiency of parts.

Wherein, the cutter comprises one or more of an outer circle cutter, a self-grinding cutter, a boring cutter, a drill bit, a center drill and a screw tap. Should be applicable to multiple cutter, improved the utilization ratio of whole device.

The positioning assembly 22 is a positioning pin, the positioning pin is selected as the positioning assembly 22, and the positioning accuracy is higher.

Referring to fig. 4, as shown in fig. 4, further, a second saw tooth 611 is provided on the outer side of the fastening component 6, a first saw tooth 221 is provided on the positioning component 22, and the first saw tooth 221 and the second saw tooth 611 are engaged.

Specifically, the holder body 1 is provided with a threaded hole 12, and the positioning assembly 22 has a first sawtooth 221 on a surface thereof near one end of the holder body 1. The fastening assembly comprises a tension bolt comprising an outer cylinder 61, a first body 62, a second body 63. The outer side of the outer cylinder 61 is provided with a second sawtooth 611, the second sawtooth 611 is meshed with the first sawtooth 221 on the positioning component 22, the first body 62 is coaxially sleeved in the outer cylinder 61, at least one section of the second body 63 extends out of the outer cylinder 61, the second body 63 is provided with a thread, and the thread is matched with a threaded hole on the tool holder main body. The first body 62 and the second body 63 are coaxially arranged, wherein the first body 62 and the second body 63 are integrally formed or fixedly connected, preferably, the first body 62 and the second body 63 are an integral body, and the first body 62 and the second body 63 are hexagonal internal screws. In order to save labor and facilitate installation, a fourth groove is disposed at the top end of the first body 62, and the fourth groove may be an inner hexagon, an inner corner square, an inner triangle, or the like, which is not limited herein. When fastening, the tightening is achieved by aligning the second serrations 611 with the first serrations 221 and then installing the draw bolt in the threaded hole of the holder body by means of an external tool. The clamping is more stable, and the machining precision of the parts can be improved well.

Referring to fig. 6 and 7, as shown in fig. 6 and 7, the number of the tool mounting holes 4 is three, and the tool mounting holes 4 include a first tool mounting hole 41, a second tool mounting hole 42 and a third tool mounting hole 43, so that the clamping effect of one tool position and multiple tools on a common lathe can be well realized, frequent tool replacement in the machining process is avoided, and the machining precision and the production efficiency of parts are improved.

Further, after the first tool mounting hole 41, the third tool mounting hole 43 and the second tool mounting hole 42 are provided with tools, the positions of tool bits deviate from each other, so that the effective processing range of the tools can be well played in the working process of stations, and interference among the stations can be avoided.

Specifically, the first tool mounting hole 41 is a cuboid with a height of 20mm and a width of 20 mm; the second cutter mounting hole 42 is a cylindrical through hole with the diameter of 20 mm; the third tool mounting hole 43 is a cylindrical through hole with a diameter of 16 mm.

The first tool mounting hole 41 is used for clamping one of an outer circular tool and a self-grinding tool; the second tool mounting hole 42 is used for clamping one of a boring cutter and a drill bit with the diameter of below 20 mm; the third tool mounting hole 43 is used for clamping one of a boring cutter, a drill, a center drill and a screw tap with the diameter of below 16mm, can clamp various tools, avoids the trouble of repeatedly replacing the tools in the machining process, and can indirectly improve the machining precision of parts.

Referring to fig. 2, as shown in fig. 2, a fastening member 3 is disposed on each of the tool mounting holes 4, the fastening member 3 is used for fixing and stabilizing the tool on each of the tool mounting holes 4, so as to avoid instability in the working process, influence on the machining precision and the production efficiency of the machined part, and avoid the falling-off phenomenon of frequent operation of the tool, and the fastening member 3 on each of the tool mounting holes is a plurality of. The fastening member 3 is a bolt, but not limited thereto.

Referring to fig. 4, as shown in fig. 4, the multi-station tool clamping device further includes a positioning block 5, and the positioning block 5 is located on the tool apron 2. And a third groove is formed in the tool holder main body 1 and is matched with the positioning block 5 in size. Specifically, the positioning block is trapezoidal, and the interface of the third groove is also trapezoidal. Of course, the positioning block 5 may also be connected by a snap ring or a buckle, or other positioning devices with fastening function, which is not limited herein. Can match blade holder 2 and cutter holder main part 1 together well through locating piece 5, more make things convenient for the installation of whole device, positioning accuracy is high, easy dismounting easily operates, has reduced workman's intensity of labour.

Referring to fig. 1 and 7, as shown in fig. 1 and 7, the multi-station tool clamping device includes 6

fasteners

3, 1

fastening assembly

6, 1

positioning pin

22, 1

tool holder body

1, 1 tool seat 2, one

positioning block

5, 3 tool mounting holes, the tool seat 2 is located on the left side of the

tool holder body

1, and 1 fastening assembly 6 is located on the tool holder body 1. The locating block 5 is trapezoidal, 3 cutter mounting holes 4 are located on the tool apron 2, the 3 cutter mounting holes 4 comprise a first cutter mounting hole 41, a second cutter mounting hole 42 and a third cutter mounting hole 43, the first cutter mounting hole 41 and the third cutter mounting hole 43 deviate from the tool bit position of the second cutter mounting hole 42 respectively, after the cutters are mounted in the 3 cutter mounting holes, the fastening screws 3 on the side edges of the cutters are screwed, and the device can be mounted on the lathe tool rest 7 to work.

The working process is as follows:

1. the clamping position of the tool holder main body 1 of the device is fixedly arranged at the position where a lathe tool rest 7 clamps a tool;

2. tools (including an outer circular tool, a boring tool, a drill bit and the like) required for machining are installed in a first tool installation hole 41, a second tool installation hole 42 and a third tool installation hole 43 of the device;

(1) the first tool mounting hole 41 is a cuboid station with the size of 20mm multiplied by 20mm, and is suitable for clamping an outer circular tool, a self-grinding tool and the like;

(2) the second cutter mounting hole 42 is a cylindrical through hole with the diameter of 20mm and is suitable for clamping a boring cutter, a drill bit and the like with the diameter of below 20 mm;

(3) the third tool mounting hole 43 is a cylindrical through hole with a diameter of 16mm, and is suitable for clamping a boring cutter, a drill, a center drill, a screw tap and the like with a diameter of less than 16 mm.

The device is installed and fixed at the position where a lathe tool rest 7 clamps a tool, the tool apron 2 and the positioning component 22 are fixed on the tool holder main body 1 through the fastening component 6, the machining can be started, when the tool needs to be replaced, the fastening component 6 is loosened, and after the tool apron 2 is rotated, the tool apron 2 and the positioning component 22 are fixed on the tool holder main body 1 through the fastening component 6, so that the station is replaced.

The multi-station tool clamping device of the utility model has simple manufacture, high positioning precision, convenient assembly and disassembly and easy operation, and reduces the labor intensity of workers; by using the device, the clamping effect of a plurality of cutters at one cutter position on a common lathe can be realized, frequent cutter setting during cutter replacement in the machining process is avoided, the cutter replacement time is reduced, and the machining precision and the production efficiency of parts are improved. The device practicality is strong, has good economic benefits, is suitable for the popularization.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The multi-station tool clamping device is characterized by comprising a tool holder main body (1), a tool apron (2) and a fastening assembly (6);

the tool holder main body (1) is positioned on the side surface of the tool holder (2), and the fastening assembly (6) is positioned on the tool holder main body (1);

the end part of the tool holder main body (1) is provided with a first groove part (11);

a positioning component (22) is arranged at the end part of the tool apron (2), one end of the positioning component (22) is fixedly connected with the tool apron (2), the other end of the positioning component (22) can be inserted into the first groove part (11), a plurality of tool mounting holes (4) are formed in the tool apron (2), and tools can be accommodated in the tool mounting holes (4);

the fastening assembly (6) is used for fixing or loosening the tool holder body (1) and the positioning assembly (22).

2. A multi-station tool clamping device according to claim 1, wherein said fastening member (6) is provided with second serrations (611) on the outside thereof, and said positioning member (22) is provided with first serrations (221), said first serrations (221) and said second serrations (611) engaging with each other.

3. A multi-station tool clamping device according to claim 1 or 2, wherein the fastening assembly (6) comprises a tension bolt.

4. A multi-station tool clamping device according to claim 1 or 2, wherein the positioning assembly (22) is a positioning pin.

5. A multi-station tool clamping device according to claim 1, wherein said tool mounting holes (4) are three, and said tool mounting holes (4) comprise a first tool mounting hole (41), a second tool mounting hole (42), and a third tool mounting hole (43).

6. The multi-station tool clamping device according to claim 5, wherein the first tool mounting hole (41) is a rectangular parallelepiped with a height of 20mm and a width of 20 mm; the second cutter mounting hole (42) is a cylindrical through hole with the diameter of 20 mm; the third cutter mounting hole (43) is a cylindrical through hole with the diameter of 16 mm.

7. A multi-station tool clamping device according to claim 5 or 6, wherein said first tool mounting hole (41) is adapted to hold one of an outer cutter, a autogenous grinding tool; the second cutter mounting hole (42) is used for clamping one of a boring cutter and a drill bit with the diameter of below 20 mm; the third tool mounting hole (43) is used for clamping one of a boring cutter, a drill, a center drill and a screw tap with the diameter of 16mm or less.

8. The multi-station tool clamping device according to claim 1, wherein said tools comprise one or more of an outside circular tool, a autogenous grinding tool, a boring tool, a drill bit, a center drill, a tap.

9. A multi-station tool clamping device according to claim 1, wherein said tool mounting aperture (4) is provided with a fastener (3).

10. The multi-station tool clamping device according to claim 1 or 2, further comprising a positioning block (5), wherein the positioning block (5) is located on the tool holder (2), and a third groove is formed in the tool holder body (1) and is matched with the positioning block (5) in size.