CN113523865A

CN113523865A - Composite cutter head

Info

Publication number: CN113523865A
Application number: CN202010319205.1A
Authority: CN
Inventors: 谢正军; 瞿健; 李彬; 杜宜彪; 储清亮; 朱团辉
Original assignee: Fu Ding Electronical Technology Jiashan Co Ltd
Current assignee: Fu Ding Electronical Technology Jiashan Co Ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-10-22

Abstract

The utility model provides a composite cutter head, includes the cutter arbor and connects the blade disc main part of cutter arbor, the blade disc main part is kept away from the center department of cutter arbor one end is equipped with the mounting hole, the mounting hole is used for installing cutter arbor formula cutter, the axis of mounting hole is skew blade disc main part axis.

Description

Composite cutter head

Technical Field

The application relates to a composite cutter head capable of adjusting the angle of a cutter bar type cutter.

Background

In the face of increasingly glowing market competition of the electronic industry, requirements of customers on products are more and more strict, when a plurality of products are subjected to side face machining, knife lines are not allowed to be generated, and light receiving treatment is not allowed in a post-processing procedure.

Disclosure of Invention

In view of the above, there is a need for a compound cutter head with adjustable angle of the cutter bar type cutter.

The application provides a compound blade disc, include cutter arbor and connection the blade disc main part of cutter arbor, the blade disc main part is kept away from the center department of cutter arbor one end is equipped with the mounting hole, the mounting hole is used for installing cutter arbor formula cutter, the axis of mounting hole is skew blade disc main part axis.

In an embodiment of the present application, a mounting groove is provided on the side wall of the cutter head main body, and the mounting groove is used for installing the blade type cutter.

In an embodiment of the application, compound blade disc still includes adjustment mechanism, the blade formula cutter rotationally install in the blade disc main part is last, adjustment mechanism install in on the blade disc and support the relative both sides of blade formula cutter, adjustment mechanism removes the back drive the blade formula cutter rotates, in order to adjust the angle of blade formula cutter.

In an embodiment of the present application, compound blade disc still includes the connecting piece, the mounting groove runs through the blade disc main part is kept away from the one end of cutter arbor, the connecting piece is used for court the radial direction of blade disc main part will blade formula cutter is connected to in the mounting groove, blade formula cutter can wind the axis of connecting piece rotates.

In an embodiment of the application, adjustment mechanism includes first regulating part and second regulating part, first regulating part with second regulating part screw thread wears to locate the blade disc main part to be used for respectively supporting the relative both sides of blade formula cutter.

In an embodiment of the application, compound blade disc still includes hold-down mechanism, hold-down mechanism includes a plurality of pieces that compress tightly, a plurality of pieces that compress tightly install in the blade disc main part and follow cutter arbor formula cutter symmetry sets up, hold-down mechanism is used for right cutter arbor formula cutter is exerted pressure in order to incite somebody to action cutter arbor formula cutter rigid connection is in the blade disc main part.

In an embodiment of the present application, the composite cutter head further includes a balancing weight, the balancing weight is located in the cutter head main body, and with the blade type cutter, the axis direction of the cutter head main body is a symmetrical structure.

In an embodiment of the application, the cutter head main part is close to the one end of cutter arbor still includes a plurality of dynamic balance pieces, and is a plurality of the dynamic balance piece with cutter head main part axial direction evenly distributed in a cross section of cutter head main part, the dynamic balance piece can remove in order to adjust the dynamic balance of compound cutter head.

In one embodiment of the present application, the axis of the mounting hole deviates from the distance range of the axis of the cutter head main body is 0.4-0.7 mm.

In one embodiment of the present invention, the holder-type tool includes a rake angle, a land, and a first relief angle, and the holder-type tool is rotated in the mounting hole to cut the rake angle, the land, the first relief angle, and a part of the land or the first relief angle, and the entire land, respectively.

The axis of the mounting hole of the composite cutter head deviates from the axis of the cutter head main body along the radial direction by a certain distance, and the cutting angle of the blade can be adjusted by rotating the cutter bar type cutter, so that the blade reaches an optimal cutting state, and the problem of knife lines during side processing is effectively solved.

Drawings

Fig. 1 is a perspective view of a compound cutter head according to an embodiment of the present application.

Fig. 2 is an exploded view of the compound cutter head of fig. 1.

Fig. 3 is a schematic diagram of blade angle and cutting effect.

Fig. 4 is an exploded view of the compound cutter head of fig. 1 from another perspective.

Fig. 5 is a cross-sectional view of V-V in fig. 1.

Fig. 6 is an exploded view of the compound cutter head of fig. 1 from another perspective.

Description of the main elements

Composite cutter head 100

Tool bar 200

Blade 300

Workpiece 400

Cutter head body 10

Mounting hole 11

Mounting groove 12

Fixing hole 12a

Tool shank type tool 20

Blade type cutter 30

First through hole 31

Adjusting mechanism 40

First adjusting member 41a

Second adjusting member 41b

Connecting piece 50

Pressing mechanism 60

Counterweight block 70

Dynamic balance member 80

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 and 2, the composite cutter head 100 includes a cutter bar 200 and a cutter head body 10 connected to the cutter bar 200. The composite cutter head 100 is used for fixing the cutter bar type cutter 20 and the blade type cutter 30. The center of the end of the cutter head body 10 far away from the cutter bar 200 is provided with a mounting hole 11, the cutter bar type cutter 20 is rotatably mounted in the mounting hole 11, and the end of the cutter bar type cutter 20 far away from the cutter head body 10 is used for processing the side elevation of a product. The axis of the mounting hole 11 is radially offset from the axis of the cutter head body 10 by a distance that an operator can adjust the cutting angle of the blade 300 by rotating the cutter bar type cutter 20.

Referring to fig. 3, in the present embodiment, the center of the cutter bar type cutter 20 is deviated from the rotation center of the cutter head body 10 by a distance in the range of 0.4 to 0.7 mm, and the optimum distance is 0.5 mm after the test. As shown in fig. 3 (a), when the bar cutter 20 is rotated in the mounting hole 11 to the extent that the insert 300 is at minus 90 degrees, the rake angle of the insert 300 participates in cutting the workpiece 400, as shown in fig. 3 (b), when the bar cutter 20 is rotated in the mounting hole 11 to the extent that the insert 300 is at minus α degrees, the relief angle and 3/2 margin of the insert 300 participate in cutting the workpiece 400; as shown in fig. 3 (c), when the bar cutter 20 rotates within the mounting hole 11 until the insert 300 is at a negative β degree, the relief angle and the entire margin of the insert 300 participate in cutting the workpiece 400. An operator can adjust the angle of the cutter by utilizing an eccentric principle to enable the first back angle and the blade to reach an optimal cutting state, so that the problem of knife lines is effectively solved. Here, the α and β angles are adjusted as necessary.

Referring to fig. 1 and 2, a mounting groove 12 is formed in a side wall of the cutter head main body 10, the insert type cutter 30 is rotatably mounted in the mounting groove 12, and an end of the insert type cutter 30 away from the cutter head main body 10 is used for processing a plane of a product.

Referring to fig. 4, the compound cutter 100 further includes an adjustment mechanism 40. The knife 30 is rotatably mounted on the main body 10, and the adjusting mechanism 40 is mounted on the main body 10 and abuts against two opposite sides of the knife 30 for urging the knife 30 to rotate so as to adjust the angle of the knife 300. In some embodiments, adjustment mechanism 40 includes a first adjustment member 41a and a second adjustment member 41 b. The first and

second adjusting members

41a and 41b are mounted on both sides of the mounting groove 12 of the cutter head body 10 and are respectively used to abut against opposite sides of the insert cutter 30, and the angle of the insert cutter 30 is adjusted by rotating the first and

second adjusting members

41a and 41 b.

Referring to fig. 4, the composite cutter head 100 further includes a connecting member 50. The mounting groove 12 extends through an end of the cutter head body 10 remote from the cutter bar 200, and the coupling member 50 is used to couple the insert type cutter 30 into the mounting groove 12 in a radial direction of the cutter head body 10 and to allow the insert type cutter 30 to rotate about an axis of the coupling member 50. In some embodiments, the connection means of the connection member 50 is: the insert type cutter 30 is provided with a first through hole 31, a fixing hole 12a is provided on the bottom surface of the mounting groove 12, and the connecting member 50 is a screw for passing through the first through hole 31 and the fixing hole 12a to connect the insert type cutter 30 to the cutter head main body 10.

Referring to fig. 5, the compound cutter 100 further includes a pressing mechanism 60. The pressing mechanisms 60 are mounted on the cutter head body 10 and are arranged on two opposite sides of the cutter bar type cutter 20, and the pressing mechanisms 60 are used for applying pressure to the cutter bar type cutter 20 so as to be rigidly connected to the cutter head body 10. In some embodiments, the pressing mechanism 60 includes four pressing members, the pressing members are threaded through the cutter head body 10, two pressing members are respectively disposed on two opposite sides of the cutter head body 10, and the pressing members are configured to abut against and fix the knife bar type cutter 20.

Referring to fig. 6, the composite cutter head 100 further includes a weight 70, and the weight 70 is disposed on the cutter head main body 10 and is symmetrical to the blade type cutter 30 along the axial direction of the cutter head main body 10. That is, the weight 70 is also rotatably connected to the cutter head main body 10 via the connecting member 50 and is angularly adjusted by the adjusting mechanism 40. While the weight 70 is substantially the same shape as the blade 30.

Referring to fig. 1, one end of the cutterhead main body 10, which is close to the cutter bar 200, further includes a plurality of dynamic balancing members 80, and the dynamic balancing members 80 are uniformly distributed in a cross section of the cutterhead main body 10 in the axial direction of the composite cutterhead 100. A plurality of dynamic balance members 80 are threaded through the cutter head body 10. The compound impeller 100 may be adjusted for dynamic balance by twisting a plurality of dynamic balancing members 80.

It is understood that in other embodiments of the present application, the blade cutter 30 and the connecting member 50 may be rotatably mounted in the mounting groove 12 by other structures.

In the composite cutter head 100, because the axis of the mounting hole 11 deviates from the axis of the cutter head main body 10 along the radial direction by a certain distance, the cutting angle of the blade 300 can be adjusted by rotating the cutter bar type cutter 20, so that the first back angle and the edge zone of the blade 300 reach an optimal cutting state, thereby effectively solving the problem of knife lines during side processing; the composite cutter head 100 can also adjust the cutting angle of the blade 300 by rotating the blade type cutter 30, thereby effectively solving the problem of knife lines in plane processing.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application. Those skilled in the art can make other changes and the like in the design of the present application within the spirit of the present application as long as they do not depart from the technical effects of the present application. Such variations are intended to be included within the scope of this disclosure as claimed.

Claims

1. The utility model provides a compound blade disc, includes the cutter arbor and connects the blade disc main part of cutter arbor, its characterized in that: the cutter head main body is far away from the center of cutter bar one end and is provided with a mounting hole, the mounting hole is used for installing a cutter bar type cutter, and the central axis of the mounting hole deviates from the central axis of the cutter head main body.

2. The compound cutter head of claim 1 wherein: the side wall of the cutter head main body is provided with a mounting groove, and the mounting groove is used for mounting a blade type cutter.

3. The compound cutter head of claim 2 wherein: the composite cutter head further comprises an adjusting mechanism, the adjusting mechanism is mounted on the cutter head and abuts against two opposite sides of the blade type cutter, and the adjusting mechanism can adjust the angle of the blade type cutter.

4. The compound cutter head of claim 3 wherein: the composite cutter head further comprises a connecting piece, the mounting groove is formed in the cutter head main body, the cutter head main body is far away from one end of the cutter rod, and the connecting piece is used for facing the radial direction of the cutter head main body to connect the blade type cutters to the inside of the mounting groove.

5. The compound cutter head of claim 3 wherein: the adjusting mechanism comprises a first adjusting piece and a second adjusting piece, the first adjusting piece and the second adjusting piece are arranged on the cutter head main body and are used for abutting against two opposite sides of the blade type cutter respectively, and the angle of the blade type cutter can be adjusted by moving the first adjusting piece and the second adjusting piece.

6. The compound cutter head of claim 1 wherein: the compound blade disc still includes hold-down mechanism, hold-down mechanism includes a plurality of pieces that compress tightly, a plurality of pieces that compress tightly install in follow in the blade disc main part the cutter arbor formula cutter symmetry sets up, hold-down mechanism is used for right the cutter arbor formula cutter exerts pressure with cutter arbor formula cutter rigid connection is in the blade disc main part.

7. The compound cutter head of claim 2 wherein: the composite cutter head further comprises a balancing weight, and the balancing weight is arranged on the cutter head main body and is in a symmetrical structure with the blade type cutter in the axis direction of the cutter head main body.

8. The compound cutter head of claim 1 wherein: the cutter head main body is close to one end of the cutter bar further comprises a plurality of dynamic balance pieces, the dynamic balance pieces are uniformly distributed in the cross section of the cutter head main body in the axial direction of the cutter head main body, and the dynamic balance pieces can move to adjust the dynamic balance of the composite cutter head.

9. The compound cutter head of claim 2 wherein: the distance range of the central axis of the mounting hole deviating from the central axis of the cutter head main body is 0.4-0.7 mm.

10. The compound cutter head of claim 1 wherein: the cutter bar type cutter comprises a front angle, a blade zone and a first back angle, and the cutter bar type cutter rotates in the mounting hole to cut the front angle, the blade zone, the first back angle and part of the blade zone or the first back angle and all the blade zone.