CN204657600U - A kind of knife bar assembly of polygon angular milling machine - Google Patents
A kind of knife bar assembly of polygon angular milling machine Download PDFInfo
- Publication number
- CN204657600U CN204657600U CN201520226870.0U CN201520226870U CN204657600U CN 204657600 U CN204657600 U CN 204657600U CN 201520226870 U CN201520226870 U CN 201520226870U CN 204657600 U CN204657600 U CN 204657600U
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- CN
- China
- Prior art keywords
- knife bar
- little
- bearing
- cutter spindle
- ring
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Abstract
The utility model discloses a kind of knife bar assembly of polygon angular milling machine, comprising: knife bar seat, cutter spindle, knife bar front bearing retainer, knife bar rear bearing cover, large bearing, little bearing, large round nut, little round nut, large inner shield ring, large outer back-up ring, little inner shield ring, little outer back-up ring, cutterhead, positioning key, latch segment, driving wheel.Have four screwed holes bottom knife bar seat and hold-down screw is installed, knife bar seat front and back end connects knife bar front bearing retainer and knife bar rear bearing cover separately, knife bar seat central upper portion installs cutter spindle, cutter spindle front end connects cutterhead, cutterhead is fixed on cutter spindle front end by two positioning keys and latch segment, cutter spindle rear portion is close to knife bar rear bearing cover and is installed driving wheel, a pair large bearing is installed between cutter spindle and knife bar base inner surface, large round nut, little a pair bearing, little round nut, wherein embed large inner shield ring and large outer back-up ring in two large bearings, little inner shield ring and little outer back-up ring is embedded in two little bearings.
Description
Technical field:
The utility model relates to milling device technical field, relates to a kind of knife bar assembly of polygon angular milling machine in particular.
Background technology:
For angular milling machine, the milling parts of its most critical---knife bar assembly is the core component of whole lathe, the duty of its parts directly determines the quality of product, but the knife bar assembly ubiquity airtight performance of angular milling machine is not good at present, knife bar rotates the shortcoming of unstable easily vibrations after using a period of time, how to design knife bar assembly and it can be made can also to keep be a problem demanding prompt solution service life of prolonged-stability knife bar under the most important condition guaranteeing milling feed.
Utility model content:
The purpose of this utility model is exactly the deficiency for prior art, and a kind of knife bar assembly of polygon angular milling machine of high stability is provided, its structure is simple, operates steadily, process easy for installation, the operation of polygon angular milling machine can be made more smooth and easy and the service life of prolongation knife bar assembly.
Technology solution of the present utility model is as follows:
A knife bar assembly for polygon angular milling machine, comprising: knife bar seat, cutter spindle, knife bar front bearing retainer, knife bar rear bearing cover, large bearing, little bearing, large round nut, little round nut, large inner shield ring, large outer back-up ring, little inner shield ring, little outer back-up ring, cutterhead, positioning key, latch segment, driving wheel.Have four screwed holes bottom knife bar seat and hold-down screw is installed, knife bar seat front and back end connects knife bar front bearing retainer and knife bar rear bearing cover separately, all use six screw fastenings respectively, cutter spindle is installed in knife bar seat central upper portion position, cutter spindle front end connects cutterhead, cutterhead is fixed on cutter spindle front end by two positioning keys and latch segment, cutter spindle rear portion is close to knife bar rear bearing cover and is installed driving wheel, a pair large bearing is separately installed with by cutterhead to driving wheel direction between cutter spindle and knife bar base inner surface, large round nut, little a pair bearing, little round nut, wherein embed large inner shield ring and large outer back-up ring in two large bearings, little inner shield ring and little outer back-up ring is embedded in two little bearings, large bearing one end contacts with knife bar front bearing retainer, little bearing one end contacts with knife bar rear bearing cover.
Preferred as technique scheme, large bearing is angular contact ball bearing 7215, and little bearing is angular contact ball bearing 7213.
Preferred as technique scheme, positioning key open M5 screwed hole and
counter sink.
Preferred as technique scheme, latch segment open M8 screwed hole and
counter sink.
Preferred as technique scheme, driving wheel opens two vertical M8 screwed holes mutually.
The beneficial effects of the utility model are: cutterhead end installs a pair large angular contact ball bearing 7215 additional, driving wheel end installs little a pair angular contact ball bearing 7213 additional and can weaken radial load suffered by handle of a knife axle and axial load, cutter spindle and cutterhead are by positioning key and latch segment assembling, tool changing is convenient, and these designs effectively extend the service life of knife bar assembly and increase the simplicity that part replaces.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is main apparent direction structural representation of the present utility model;
Fig. 3 is A-A cross section structure schematic diagram in Fig. 2;
Fig. 4 is the driving wheel structural representation in the utility model;
Fig. 5 is the locking block structure schematic diagram in the utility model;
Fig. 6 is the positioning key structure schematic diagram in the utility model.
In figure, 1, knife bar seat; 2, cutter spindle; 3, knife bar front bearing retainer; 4, knife bar rear bearing cover; 5, large bearing; 6, little bearing; 7, large round nut; 8, little round nut; 9, large inner shield ring; 10, large outer back-up ring; 11, little inner shield ring; 12, little outer back-up ring; 13, cutterhead; 14, positioning key; 15, latch segment; 16, driving wheel.
Detailed description of the invention:
Embodiment: by particular specific embodiment, embodiment of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by content disclosed in the present specification.
See shown in Fig. 1, Fig. 2 and Fig. 3, a knife bar assembly for polygon angular milling machine, comprising: knife bar seat 1, cutter spindle 2, knife bar front bearing retainer 3, knife bar rear bearing cover 4, large bearing 5, little bearing 6, large round nut 7, little round nut 8, large inner shield ring 9, large outer back-up ring 10, little inner shield ring 11, little outer back-up ring 12, cutterhead 13, positioning key 14, latch segment 15 and driving wheel 16.Have four screwed holes bottom knife bar seat 1 and hold-down screw is installed, knife bar seat 1 front and back end connects knife bar front bearing retainer 3 and knife bar rear bearing cover 4 separately, all use six screw fastenings respectively, cutter spindle 2 is installed in knife bar seat 1 central upper portion position, cutter spindle 2 front end connects cutterhead 13, cutterhead 13 is fixed on cutter spindle 2 front end by two positioning keys 14 and latch segment 15, cutter spindle 2 rear portion is close to knife bar rear bearing cover 4 and is installed driving wheel 16, a pair large bearing 4 is separately installed with by cutterhead 13 to driving wheel 16 direction between cutter spindle 1 and knife bar seat 1 inner surface, large round nut 7, little a pair bearing 5, little round nut 8, wherein embed large inner shield ring 9 and large outer back-up ring 10 in two large bearings 5, little inner shield ring 11 and little outer back-up ring 12 is embedded in two little bearings 6, large bearing 5 one end contacts with knife bar front bearing retainer 3, little bearing 6 one end contacts with knife bar rear bearing cover 4.
As shown in Figure 3, all angular contact ball bearing is adopted for the huge radial load of carrying and large and small two pairs of bearings of axial reaction force of being brought by axial feed, mounted in pairs angular contact ball bearing can bear radial direction, axially two-way connected load based on radial load, also pure radial load can be born, precompressed interference is had after installation, lasso and steel ball are in axial preload state, thus improve whole group of bearing as single support stiffness and running accuracy, large bearing 5 is angular contact ball bearing 7215, and little bearing 6 is angular contact ball bearing 7213.
See shown in Fig. 1, Fig. 3 and Fig. 6, positioning key 14 has two in knife bar assembly, and both are arranged symmetrically with, positioning key 14 for one end be rectangle, one end is semicircle, and thickness is more 1/3rd of length, and have M5 screwed hole 141 mounting screw at semicircle end, top is added with
counter sink 142, the semicircle groove face dieback of positioning key 14 half circular surfaces and cutter spindle 2, the installation groove face dieback of positioning key 14 square face and cutterhead 13, utilizes positioning key 14 like this, and cutterhead 13 is locked on cutter spindle 2 by radial direction.
See shown in Fig. 1, Fig. 2 and Fig. 5, latch segment 15 is arranged in the groove of cutterhead 13, and the bottom surface of latch segment 15 and the groove surface dieback of cutterhead 13, latch segment 15 center has M8 screwed hole 151 and installs trip bolt, and top is added with
counter sink 152, utilizes latch segment 15 like this, and cutterhead 13 is by axially locked on cutter spindle 2.
See shown in Fig. 1, Fig. 3 and Fig. 4, driving wheel 16 is connected to motor by Timing Belt, and the rotation of motor is driven to cutterhead, and band movable knife disc 13 pairs of workpiece carry out polygon Milling Process.Driving wheel 16 is having two M8 screwed holes 161, two screwed hole mutually vertically near knife bar rear bearing cover 4 place, two screwed holes install trip bolt respectively makes driving wheel 16 can fit tightly with cutter spindle 2.
See shown in Fig. 1 and Fig. 3, the material of cutter spindle 2 is 40Cr, modifier treatment.40Cr after modifier treatment has good comprehensive mechanical property, good low-temperature impact toughness and low notch sensitivity, may be used for manufacturing the main shaft part with high case hardness and wearability.
Described embodiment in order to illustrative the utility model, but not for limiting the utility model.Any those skilled in the art all without prejudice under spirit of the present utility model and category, can modify to described embodiment, therefore rights protection scope of the present utility model, should listed by claim of the present utility model.
Claims (6)
1. a knife bar assembly for polygon angular milling machine, is characterized in that, comprising: knife bar seat (1), cutter spindle (2), knife bar front bearing retainer (3), knife bar rear bearing cover (4), large bearing (5), little bearing (6), large round nut (7), little round nut (8), large inner shield ring (9), large outer back-up ring (10), little inner shield ring (11), little outer back-up ring (12), cutterhead (13), positioning key (14), latch segment (15) and driving wheel (16), knife bar seat (1) bottom has four screwed holes and installs hold-down screw, knife bar seat (1) front and back end connects knife bar front bearing retainer (3) and knife bar rear bearing cover (4) separately, all use six screw fastenings respectively, cutter spindle (2) is installed in knife bar seat (1) central upper portion position, cutter spindle (2) front end connects cutterhead (13), cutterhead (13) is fixed on cutter spindle (2) front end by two positioning keys (14) and latch segment (15), cutter spindle (2) rear portion is close to knife bar rear bearing cover (4) and is installed driving wheel (16), a pair large bearing (4) is separately installed with by cutterhead (13) to driving wheel (16) direction between cutter spindle (1) and knife bar seat (1) inner surface, large round nut (7), little a pair bearing (5), little round nut (8), wherein embed large inner shield ring (9) and large outer back-up ring (10) in two large bearings (5), little inner shield ring (11) and little outer back-up ring (12) is embedded in two little bearings (6), large bearing (5) one end contacts with knife bar front bearing retainer (3), and little bearing (6) one end contacts with knife bar rear bearing cover (4).
2. the knife bar assembly of polygon angular milling machine according to claim 1, is characterized in that: large bearing (5) is angular contact ball bearing 7215, and little bearing (6) is angular contact ball bearing 7213.
3. the knife bar assembly of polygon angular milling machine according to claim 1, is characterized in that: positioning key (14) open M5 screwed hole (141) and
counter sink (142).
4. the knife bar assembly of polygon angular milling machine according to claim 1, is characterized in that: latch segment (15) open M8 screwed hole (151) and
counter sink (152).
5. the knife bar assembly of polygon angular milling machine according to claim 1, is characterized in that: driving wheel (16) opens two mutual vertical M8 screwed holes (161).
6. the knife bar assembly of polygon angular milling machine according to claim 1, is characterized in that: the material of cutter spindle (2) is 40Cr, modifier treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226870.0U CN204657600U (en) | 2015-04-15 | 2015-04-15 | A kind of knife bar assembly of polygon angular milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226870.0U CN204657600U (en) | 2015-04-15 | 2015-04-15 | A kind of knife bar assembly of polygon angular milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204657600U true CN204657600U (en) | 2015-09-23 |
Family
ID=54128035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520226870.0U Expired - Fee Related CN204657600U (en) | 2015-04-15 | 2015-04-15 | A kind of knife bar assembly of polygon angular milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204657600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772512A (en) * | 2015-04-15 | 2015-07-15 | 吴江市宏宇机械有限公司 | Cutter bar assembly of multi-edge angle-milling machine |
-
2015
- 2015-04-15 CN CN201520226870.0U patent/CN204657600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772512A (en) * | 2015-04-15 | 2015-07-15 | 吴江市宏宇机械有限公司 | Cutter bar assembly of multi-edge angle-milling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160415 |