CN216151206U

CN216151206U - High-precision combined forming cutter

Info

Publication number: CN216151206U
Application number: CN202122056600.8U
Authority: CN
Inventors: 金秀紫
Original assignee: Changzhou Xinlu Alloy Tool Co ltd
Current assignee: Xiaogan Kaineng Precision Manufacturing Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-04-01
Anticipated expiration: 2031-08-30

Abstract

The utility model belongs to the technical field of processing cutters, and particularly relates to a high-precision combined type forming cutter which comprises a cutter holder, wherein a loop bar is fixed at the top of the cutter holder, a screw rod is connected inside the loop bar, a hexagon socket head is fixed at the bottom end of the screw rod, a limiting ring is connected at the top end of the screw rod, a sleeve is sleeved outside the loop bar, extension seats are fixed on the outer walls of four ends of the sleeve, first supporting rods are rotatably connected above two ends of each extension seat, second supporting rods are rotatably connected below two ends of each extension seat, a supporting plate is rotatably connected at one end, far away from the sleeve, of each second supporting rod, the supporting plate is rotatably connected with the first supporting rods, a lug is fixed at the bottom of the supporting plate, a cutter body is installed above the cutter holder, and a cutter head is fixed at the top of the cutter body, so that the problem that the conventional forming cutter is frequently worn or broken in the actual processing production process is solved, and the whole forming cutter mechanism needs to be replaced, cause unnecessary extravagant, and the whole change is comparatively loaded down with trivial details, influences the problem of equipment processing production easily.

Description

High-precision combined forming cutter

Technical Field

The utility model belongs to the technical field of machining cutters, and particularly relates to a high-precision combined forming cutter.

Background

The forming cutter is a rotary cutter with one or more cutter teeth for cutting off the thin metal layer on the processed surface of the hole, the forming cutter is a rotary finishing cutter with a straight edge or a spiral edge and is used for reaming or repairing the hole, the processing precision requirement of the forming cutter is usually higher than that of a drill bit due to small cutting amount, the forming cutter can be operated manually or installed on a drilling machine for working, and the forming cutter is provided with one or more cutter teeth for cutting off the thin metal layer on the processed surface of the hole. The forming cutter is used for reaming the drilled (or reamed) holes on a workpiece, mainly aims at improving the machining precision of the holes and reducing the roughness of the surfaces of the holes, is a cutter for fine machining and semi-fine machining of the holes, and has small machining allowance. The existing forming cutter is often worn or a forming blade is broken in the actual processing and production process, so that the whole forming cutter mechanism needs to be replaced, unnecessary waste is caused, the whole forming cutter mechanism is complex to replace, and the processing and production of equipment are easily influenced; in order to solve the problem of exposure of the existing forming cutter in the using process, the forming cutter needs to be structurally improved and optimized.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a high-precision combined forming cutter which has the characteristic of quickly and conveniently replacing a cutter head.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-accuracy combination formula shaping sword, includes the blade holder, the top of blade holder is fixed with the loop bar, the internal connection of loop bar has the screw rod, the bottom mounting of screw rod has interior hexagonal head, the top of screw rod is connected with the spacing ring, the outside cover of loop bar has the sleeve, telescopic four terminal outer walls are fixed with extends the seat, the both ends top of extending the seat is rotated and is connected with first branch, the both ends below of extending the seat is rotated and is connected with second branch, the telescopic one end that second branch was kept away from is rotated and is connected with the backup pad, and the backup pad rotates with first branch and is connected, the bottom of backup pad is fixed with the lug, the blade is installed to the top of blade holder, the top of blade is fixed with the tool bit.

As a preferred technical scheme of the high-precision combined forming cutter, four sliding grooves are formed in the top end of the cutter holder, and the protruding blocks are located in the sliding grooves.

As a preferred technical scheme of the high-precision combined forming cutter, the screw is in threaded connection with the sleeve rod.

As a preferred technical scheme of the high-precision combined forming cutter, the limiting ring is rotatably connected with the sleeve.

As a preferred technical scheme of the high-precision combined forming cutter, the outer end of the supporting plate is of an arc-shaped structure.

As a preferred technical scheme of the high-precision combined forming cutter, the first supporting rod and the second supporting rod are completely identical in shape and structure.

Compared with the prior art, the utility model has the beneficial effects that: rotate interior hexagon head through interior hexagonal instrument and drive the screw rod, the screw rod drives the sleeve through the spacing ring and removes, the sleeve drives the fagging through extending first branch of seat cooperation and second branch and removes, move along the spout through the lug when the fagging removes, make the fagging be parallel movement all the time, thereby make the fagging of four ends deployable, the outer end arcwall face that makes the fagging laminates with the inner wall of blade mutually, thereby pass through blade and blade holder erection joint with the tool bit, be of value to the loading and unloading change that makes things convenient for the shaping sword, it is in actual processing production process to have solved present shaping sword, wearing and tearing or the cracked condition of blade often can appear, just so need change whole shaping sword mechanism, cause unnecessary extravagant, and the whole change is comparatively loaded down with trivial details, influence the problem of equipment processing production easily.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a high precision composite molding tool according to the present invention;

FIG. 2 is a schematic sectional view of a high-precision combined forming tool according to the present invention;

FIG. 3 is a schematic view of a tool holder fixing member according to the present invention;

fig. 4 is a schematic structural view of a strut plate according to the present invention;

FIG. 5 is a schematic view of the interior of the tool holder according to the present invention;

in the figure: 1. a tool apron; 2. a loop bar; 3. a screw; 4. a hexagon socket head; 5. a limiting ring; 6. a sleeve; 7. an extension base; 8. a first support bar; 9. a second support bar; 10. a supporting plate; 11. a bump; 12. a chute; 13. a blade body; 14. a cutter head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a high-precision combined forming cutter comprises a cutter holder 1, a loop bar 2 is fixed at the top of the cutter holder 1, a screw 3 is connected inside the loop bar 2, a hexagon socket head 4 is fixed at the bottom end of the screw 3, a limiting ring 5 is connected at the top end of the screw 3, a sleeve 6 is sleeved outside the loop bar 2, extension seats 7 are fixed on the outer walls of four ends of the sleeve 6, first supporting rods 8 are rotatably connected above two ends of the extension seats 7, second supporting rods 9 are rotatably connected below two ends of the extension seats 7, a supporting plate 10 is rotatably connected at one end, far away from the sleeve 6, of each second supporting rod 9, the supporting plate 10 is rotatably connected with the first supporting rods 8, a convex block 11 is fixed at the bottom of the supporting plate 10, a cutter body 13 is installed above the cutter holder 1, a cutter head 14 is fixed at the top of the cutter body 13, in the embodiment, the hexagon socket head 4 is rotated by a hexagon socket tool to drive the screw 3, the screw 3 drives the sleeve 6 to move through the limiting ring 5, the sleeve 6 drives the bracing plate 10 to move through the extending seat 7 matched with the first support rod 8 and the second support rod 9, so that the bracing plate 10 at four ends can be tightened and unfolded.

Specifically, four sliding grooves 12 are formed in the top end of the tool apron 1, and the protruding block 11 is located inside the sliding grooves 12, so that the supporting plate 10 moves along the sliding grooves 12 through the protruding block 11 when the supporting plate 10 moves in the embodiment, and the supporting plate 10 always moves in parallel.

Specifically, screw rod 3 and loop bar 2 are threaded connection, and the inside along loop bar 2 when making screw rod 3 rotate in this embodiment removes, through screw thread auto-lock nature, makes screw rod 3 can drive spacing ring 5 and remove, also can fix the position of spacing ring 5.

Specifically, the limiting ring 5 is rotatably connected with the sleeve 6, and in this embodiment, the screw rod 3 is rotated and displaced to drive the sleeve 6 to move through the limiting ring 5.

Specifically, the outer end of the supporting plate 10 is of an arc-shaped structure, and the arc-shaped surface of the outer end of the supporting plate 10 at four ends is attached to the inner wall of the knife body 13 when the supporting plate 10 moves in this embodiment.

Specifically, the shape and structure of the first support rod 8 and the second support rod 9 are completely the same, and according to the parallelogram linkage principle, the angular displacement, the angular velocity and the angular acceleration of the first support rod 8 and the second support rod 9 are always equal in this embodiment, so as to drive the support plate 10 to move in parallel.

The working principle and the using process of the utility model are as follows: at first fixed component will insert blade 13 inside, hexagonal head 4 drives screw rod 3 in rotating through the hexagon socket head instrument, screw rod 3 drives sleeve 6 through spacing ring 5 and removes, sleeve 6 drives fagging 10 through extending the first branch 8 of seat 7 cooperation and second branch 9 and removes, move along spout 12 through lug 11 when fagging 10 removes, make fagging 10 be parallel movement all the time, thereby make fagging 10 of four ends deployable, make the outer end arcwall face of fagging 10 laminate mutually with blade 13's inner wall, thereby pass through blade 13 and blade holder 1 erection joint with tool bit 14.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy combination formula shaping sword, includes blade holder (1), its characterized in that: the top of the cutter holder (1) is fixed with a loop bar (2), the inner connection of the loop bar (2) is provided with a screw (3), the bottom end of the screw (3) is fixed with an inner hexagon head (4), the top end of the screw (3) is connected with a limit ring (5), the outer sleeve of the loop bar (2) is provided with a sleeve (6), four outer walls of the sleeve (6) are fixed with an extension seat (7), the upper parts of two ends of the extension seat (7) are rotatably connected with a first supporting rod (8), the lower parts of two ends of the extension seat (7) are rotatably connected with a second supporting rod (9), one end of the sleeve (6) far away from the second supporting rod (9) is rotatably connected with a supporting plate (10), the supporting plate (10) is rotatably connected with the first supporting rod (8), the bottom of the supporting plate (10) is fixed with a convex block (11), the cutter body (13) is installed above the cutter holder (1), the top of the knife body (13) is fixed with a knife head (14).

2. A high precision combination forming tool as claimed in claim 1, wherein: four sliding grooves (12) are formed in the top end of the tool apron (1), and the protruding block (11) is located inside the sliding grooves (12).

3. A high precision combination forming tool as claimed in claim 1, wherein: the screw rod (3) is in threaded connection with the sleeve rod (2).

4. A high precision combination forming tool as claimed in claim 1, wherein: the limiting ring (5) is rotationally connected with the sleeve (6).

5. A high precision combination forming tool as claimed in claim 1, wherein: the outer end of the supporting plate (10) is of an arc-shaped structure.

6. A high precision combination forming tool as claimed in claim 1, wherein: the shape and structure of the first supporting rod (8) and the second supporting rod (9) are completely the same.