CN202356648U

CN202356648U - Combined type cutter bar

Info

Publication number: CN202356648U
Application number: CN201120499197XU
Authority: CN
Inventors: 杨文镛; 林原禾; 沈峯祺
Original assignee: QUANBAN INDUSTRY Co Ltd
Current assignee: QUANBAN INDUSTRY Co Ltd; Chumpower Machinery Corp
Priority date: 2011-12-05
Filing date: 2011-12-05
Publication date: 2012-08-01
Anticipated expiration: 2021-12-05

Abstract

The utility model provides a combined type cutter bar, which comprises a cutter bar body, at least one cutter holder and a positioning member, wherein the a symmetrical axis of the cutter bar body is provided with a second through hole consisting of a large-diameter section, a small-diameter section and a conical section form top to bottom in sequence, and a step face is formed between the large-diameter section and the small-diameter section; the cutter holder is provided with a combining end and a first through hole, the combining end is inserted in the conical section, and the outer wall of the combining end is jointed with the side edge of the conical section; and the first through hole is provided with a threaded section at a part corresponding to the combining end. The positioning member comprises a screw rod and a screw cap, wherein the screw cap is located on the step face, and the screw rod stretches into the conical section and is rotationally connected with the threaded section. The combined type cutter bar disclosed by the utility model is concise in structure and simple and convenient to operate.

Description

The combined type knife bar

[technical field]

The utility model relates to the knife bar that a kind of engagement tool board uses, and is specifically related to a kind of combined type knife bar person.

[background technology]

The work board of at present relevant cut uses knife bar to be used as the attaching parts between work board and the cutter head in order in process, to replace cutter through regular meeting.Existing knife bar all has second through hole that runs through; And utilize the rising-heat contracting-cold principle that cutter head closely is located in second through hole; Because this process relates to intensification repeatedly, the cooling of knife bar, therefore existing knife bar is general adopts comparatively expensive, as to be difficult in the repeated heating process, destroying metal strength material to process.

Consideration from cost; Someone has proposed a kind of combined type knife bar; Like Taiwan patent TW M284478 number " thermal expansion knife bar "; It discloses knife bar has been divided into the tool rest that the knife bar body and that supplies the tool station clamping supplies the clamping cutter, and makes tool rest be incorporated into an end of knife bar body with friction welding mode.Though this kind structure can reduce the use amount of expensive metal, need to make the knife bar body be connected, thereby its assembling comparatively bothers, and after the welding that rubs, knife bar body and tool rest can't split once more with tool rest via friction welding mode.

To above-mentioned shortcoming, the people is arranged again, and patent TW M326871 number " combination knife bar " discloses in the knife bar body internal thread has been set in Taiwan, and at an end of tool rest external screw thread is set, and the knife bar body is rotatably connected with tool rest.Because it is coaxial that this structure must be controlled to tool rest and knife bar body accurately, so this patent provides some screw lock module and fixation kit that tool rest is finely tuned the location in addition, coaxial with the knife bar body to guarantee tool rest.But, utilize some screw lock module to carry out the precision fine setting, need repeat repeatedly trimming movement, operate loaded down with trivial details, use inconvenience.

[utility model content]

The utility model technical problem to be solved is to provide a kind of combined type knife bar, and not only structure is simplified, and simple, convenient.

The utility model solves the problems of the technologies described above through following technical scheme: a kind of combined type knife bar comprises a knife bar body, positioning piece and a tool rest; Said knife bar body is fixedly connected through keeper with tool rest; Said tool rest is positioned at the below of knife bar body, and said tool rest has one first through hole; The symmetry axis place of said knife bar body is provided with one second through hole, and this second through hole comprises a big footpath section, a path section and a conical section that sets gradually from top to bottom, and forms a terrace between said big footpath section and the path section; Said tool rest also has a binding end and a working end; This binding end is inserted in the said conical section, and the lateral edges of the outer wall of this binding end and said conical section is fitted; Said working end is positioned at the below of binding end; Said first through hole is located at the symmetry axis place of tool rest, and this first through hole has a thread segment corresponding to the binding end place, and this first through hole can supply cutter head to plug and the gripping section of clamping cutter head having one corresponding to the place, working end; Said keeper comprises a screw rod and a nut, and this nut is positioned on the said terrace, and this screw rod stretches into the conical section of knife bar body and is rotatably connected with the thread segment at said binding end place.

Preferably, said knife bar body has one and supplies the flange portion of tool station clamping, and this flange portion has the detent of at least one confession tool station location.

Preferably; Said knife bar body also has a flange, and this flanged ring is located at the opening part of said conical section, and this flange comprises an opposing face and a positive camber; This opposing face is close to the outer wall of said binding end, and said positive camber is connected between opposing face and the flange portion.

Preferably, also be provided with an adjustment screw and cutter adjustment section in said first through hole; This adjustment screw is positioned at cutter adjustment section, and said cutter adjustment section is positioned between said thread segment and the gripping section, and at least one part of this cutter adjustment section has the screw thread that matches with said adjustment screw.

The useful fruit of the utility model is: be employed in a conical section is set on the knife bar body; One outer cone identical with said conical section tapering surface is set on the tool rest; In keeper locking knife bar body and tool rest process; The keeper rotation drives the tool rest rotation simultaneously, makes the outer cone surface of tool rest be close to the conical section of knife bar body gradually, thereby realizes the same axis calibration between knife bar body and the tool rest.The utility model not only structure is simplified, and simple, convenient.

[description of drawings]

Combine embodiment that the utility model is done further to describe with reference to the accompanying drawings.

Fig. 1 is the overall diagram of the utility model.

Fig. 2 is the exploded view of the utility model.

Fig. 3 is the main cutaway view of the utility model.

Fig. 4 is the part enlarged drawing among Fig. 3.

Fig. 5 is user mode master's cutaway view of the utility model embodiment one.

Fig. 6 is user mode master's cutaway view of the utility model embodiment two.

[specific embodiment]

Embodiment one

Shown in Fig. 1-3, a kind of combined type knife bar comprises a knife bar body 10, a tool rest 20 and a positioning piece.The symmetry axis L1 place of said knife bar body 10 is provided with one second through hole 12; This second through hole 12 comprises big footpath section 121, one a path section 122 and a conical section 123 that sets gradually from top to bottom; Said path section 122 is between big directly section 121 and conical section 123, and formation one terrace 124 between big footpath section 121 and the path section 122.Said knife bar body 10 has one and supplies the flange portion 11 of tool station (not illustrating) clamping, and this flange portion 11 has the detent 13 of at least one confession tool station location.

Please consult Fig. 3-5 again, said tool rest 20 is positioned at the below of knife bar body 10, and this tool rest 20 has a binding end 22, a working end 23 and one first through hole 21; Said binding end 22 has outer cone surface 24; This outer cone surface 24 has the tapering α that equates with the conical section 123 of knife bar body 10; Said binding end 22 is inserted in the said conical section 123, and the lateral edges of the outer wall of this binding end 22 and said conical section 123 is fitted.Said working end 23 is positioned at the below of binding end 22.Said first through hole 21 is located at the symmetry axis L2 place of tool rest 20; And this first through hole 21 has a thread segment 211 corresponding to binding end 22 places, and this first through hole 21 can supply cutter head to plug and the gripping section 212 of clamping cutter head having one corresponding to 23 places, working end.Said gripping section 212 utilizes the rising-heat contracting-cold principle to assemble, dismantle cutter head 40.After the gripping section 212 of tool rest 20 is heated, after just can letting a cutter head 40 plug in it, treating its cooling again, but just this cutter head 40 of clamping of gripping section 212.Because tool rest 20 needs repeated heating; Therefore tool rest 20 generally is made by the expensive metal or the alloy that are difficult for causing destroying because of repeated heating structure; In order to reduce cost; Can make tool rest 20 adopt different materials with knife bar body 10, promptly knife bar body 10 can adopt comparatively cheap material, thereby with material cost control in the reasonable scope.

As shown in Figure 4; Said knife bar body 10 also has a flange 14, and this flange 14 is located on the opening part of said conical section 123, with the structural strength of the opening part that strengthens conical section 123; Make said opening be highly resistant to stress; This flange 14 comprises an opposing face 141 (see figure 4)s and a positive camber 142 (see figure 4)s, and this opposing face 141 (see figure 4)s are close to the outer wall of said binding end 22, and said positive camber 142 (see figure 4)s are connected between opposing face 141 and the flange portion 11; The design of this flange 14; Make the utility model in the course of the work, the active force that tool rest 20 is passed to knife bar body 10 can be disperseed equably, and then avoids conical section 123 opening part stress to concentrate and the problem of generation rhegma.

Please consult Fig. 4 again, said keeper can be bolt 30, and this bolt 30 comprises a screw rod 31 and a nut 32; This nut is positioned on the said terrace 124; Said screw rod stretches into the conical section 123 of knife bar body 10 and is rotatably connected with the thread segment 211 at said binding end 22 places.In addition; Bolt 30 is at the thread segment 211 of binding end 22 gradually in the rotary course; The outer cone surface 24 that can drive tool rest 20 closely is affixed on the conical section 123 of knife bar body 10; And then it is coaxial that second through hole 12 and first through hole 21 are formed, even the symmetry axis L2 essence of the symmetry axis L1 of second through hole 12 and first through hole 21 is overlapping.

Please consult Fig. 5 again, also be provided with an adjustment screw 214 and cutter adjustment section 213 in first through hole 21 of said tool rest 20; This adjustment screw 214 is positioned at cutter adjustment section 213, and said cutter adjustment section 213 is between said thread segment 211 and gripping section 212, and these cutter adjustment section 213 at least one parts have the screw thread that matches with said adjustment screw 214.When the degree of depth of adjustment screw 214 in cutter adjustment section 213 changes, can change the degree of depth that cutter 40 is inserted in said gripping section 212 simultaneously, thus the position of adjustment cutter free end 41.

With reference to shown in Figure 5, in the present embodiment, the gripping section 212 of said tool rest 20 has a diameter D1, and the diameter D1 of this gripping section 212 sets according to the cutter 40 of different size.

Embodiment two

With reference to shown in Figure 6, this part and embodiment one difference are:

The gripping section 212 ' of said tool rest 20 ' has a diameter D2, and wherein D2 is greater than D1, in order to the cutter 40 ' of clamping large-size.

The utility model is provided with a conical section 123 on knife bar body 10; One outer cone identical with said conical section 123 taperings surface 24 is set on the tool rest; In keeper locking knife bar body 10 and tool rest process, the keeper rotation drives the tool rest rotation simultaneously, makes the outer cone surface 24 of tool rest be close to the conical section 123 of knife bar body 10 gradually; Realize the same axis calibration between knife bar body 10 and the tool rest, and parts such as screw lock module need not be set separately.This shows that the utility model not only structure is simplified, and simple, convenient.

Claims

1. a combined type knife bar comprises a knife bar body, positioning piece and a tool rest; Said knife bar body is fixedly connected through keeper with tool rest; Said tool rest is positioned at the below of knife bar body, and said tool rest has one first through hole; It is characterized in that: the symmetry axis place of said knife bar body is provided with one second through hole, and this second through hole comprises a big footpath section, a path section and a conical section that sets gradually from top to bottom, and forms a terrace between said big footpath section and the path section; Said tool rest also has a binding end and a working end; This binding end is inserted in the said conical section, and the lateral edges of the outer wall of this binding end and said conical section is fitted; Said working end is positioned at the below of binding end; Said first through hole is located at the symmetry axis place of tool rest, and this first through hole has a thread segment corresponding to the binding end place, and this first through hole can supply cutter head to plug and the gripping section of clamping cutter head having one corresponding to the place, working end; Said keeper comprises a screw rod and a nut, and this nut is positioned on the said terrace, and this screw rod stretches into the conical section of knife bar body and is rotatably connected with the thread segment at said binding end place.

2. combined type knife bar as claimed in claim 1 is characterized in that: said knife bar body has one and supplies the flange portion of tool station clamping, and this flange portion has the detent of at least one confession tool station location.

3. according to claim 1 or claim 2 combined type knife bar; It is characterized in that: said knife bar body also has a flange; This flanged ring is located at the opening part of said conical section; And this flange comprises an opposing face and a positive camber, and this opposing face is close to the outer wall of said binding end, and said positive camber is connected between opposing face and the flange portion.

4. combined type knife bar as claimed in claim 1 is characterized in that: also be provided with an adjustment screw and cutter adjustment section in said first through hole; This adjustment screw is positioned at cutter adjustment section, and said cutter adjustment section is positioned between said thread segment and the gripping section, and at least one part of this cutter adjustment section has the screw thread that matches with said adjustment screw.