CN202763188U - Quick change and locking device used for circle shear cutter - Google Patents
Quick change and locking device used for circle shear cutter Download PDFInfo
- Publication number
- CN202763188U CN202763188U CN201220490121.5U CN201220490121U CN202763188U CN 202763188 U CN202763188 U CN 202763188U CN 201220490121 U CN201220490121 U CN 201220490121U CN 202763188 U CN202763188 U CN 202763188U
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- CN
- China
- Prior art keywords
- cutter shaft
- quick change
- upper cutter
- interstage sleeve
- steel bushing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a quick change and locking device used for circle shear cutter, and the device comprises an upper cutter shaft and a lower cutter shaft. The upper cutter shaft comprises a sleeve joint section and a working section. The sleeve joint section and a rack are in sleeved joint support. An excircle of the working section is sleeved with a steel jacket. Both ends of the steel jacket are provided with an inner circle baffle ring and an excircle baffle ring. A disc spring is installed between the inner end surface of the inner circle baffle ring and the working section step of the upper cutter shaft. A spacer sleeve is arranged on the outside end surface of the inner circle baffle ring. A closed vessel is composed of the space formed by the excircle of the working section of the upper cutter shaft, the spacer sleeve and the steel jacket. The excircle of the steel jacket is sequentially sleeved with a quick change steel ring, a combinational ring and a cutter. The inner circle of the spacer sleeve is sleeved with a nut A. The axis of the nut A is opened with an oil duct, and the oil duct is communicated with the closed vessel. The structural composition of the lower cutter shaft also comprises all the components in the upper cutter shaft, wherein the disc spring is arranged between the spacer sleeve and the nut A. The linking structure among other components are in line with that of the upper cutter shaft. The quick change and locking device used for circle shear cutter has the advantages of being simple in structure, convenient to operate and safe and reliable.
Description
Technical field
The utility model belongs to the steel rolling equipment technical field, relates to a kind of quick change for disc shear cutter head and locking device.
Background technology
Circle shear is the key equipment on the finishing slitter line, and its use is directly connected to the trimming quality with steel.At present, mostly the locking of disc shear cutter head is to lock by hydraulic nut, but since cutterhead change frequent, such repeated disassembled and assembled hydraulic nut, very easily very fast damage, and dismounting bothers, and wastes time and energy, and also affects production efficiency.
Summary of the invention
The purpose of this utility model provides a kind of quick change for disc shear cutter head and locking device, has solved prior art by locking with hydraulic nut, locks unstablely, and disassembly procedure is frequent, the problem that wastes time and energy.
The technical scheme that the utility model adopts is, a kind of quick change and locking device for disc shear cutter head are provided with circle shear in frame, comprise cutter shaft and lower cutter shaft,
Described upper cutter shaft comprises two sections, and one section that stretches in the frame is called the socket section, and another section that exposes outside frame is called active section, and the axle cylindrical of socket section supports by bearing and frame socket, and the socket section termination of upper cutter shaft is connected with actuating unit;
The active section outer round surface of upper cutter shaft is set with steel bushing by key, the two ends of steel bushing are respectively arranged with inner circle baffle ring and cylindrical baffle ring, between the active section step of inner circle baffle ring inner side end and upper cutter shaft the dish spring is installed, inner circle baffle ring outside end face is provided with interstage sleeve, the active section of interstage sleeve and upper cutter shaft is threaded connection, interstage sleeve part cylindrical and steel bushing part inner circle are for being tightly connected, and the space between active section cylindrical, interstage sleeve and the steel bushing of upper cutter shaft consists of a closed containing cavity; Be set with successively quick change steel loop, associative ring and cutterhead on the steel bushing cylindrical from the outer end to the inner, the outside end face of quick change steel loop contacts with the interstage sleeve inner side end, quick change steel loop inner side end and associative ring outside end contact, associative ring inner side end and cutterhead outside end contact, the cutterhead inner side end contacts with the cylindrical baffle ring outer face of steel bushing;
The interstage sleeve inner circle is set with nut A, and nut A axle center has oil duct, and the active section axle center blind hole of upper cutter shaft has radial hole, after the active section axle center blind hole and radial hole of oil duct by upper cutter shaft, with closed containing cavity UNICOM;
The structure of described lower cutter shaft also comprises all parts all in the cutter shaft in forming, dish spring in the lower cutter shaft wherein is arranged between interstage sleeve and the nut A, space between active section cylindrical, interstage sleeve and the steel bushing of lower cutter shaft consists of a closed containing cavity, consistent in miscellaneous part syndeton each other and the upper cutter shaft.
The beneficial effects of the utility model are, by cooperating a manual simplified hydraulic pump oil-feed, can implement to dismantle cutterhead, and are simple to operate, save time, laborsaving.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model quick change and locking device;
Fig. 2 is the structural representation of the lower cutter shaft 12 in the utility model device;
Fig. 3 is the structural representation of the interstage sleeve 2 in the utility model device;
Fig. 4 is the structural representation of the quick change steel loop 3 in the utility model device.
Among the figure, 1. nut A, 2. interstage sleeve, 3. quick change steel loop, 4. steel bushing, 5. dish spring, 6. associative ring, 7. cutterhead is 8. gone up cutter shaft, 9. bearing, 10. collar, 11. nut B, 12. times cutter shafts, 13. frame, 14. oil ducts, 15. break slots, 16. spacing block sets, 17. inner circle baffle rings, 18. cylindrical baffle rings.
The specific embodiment
With reference to Fig. 1, Fig. 2, the structure of quick change of the present utility model and locking device is, is provided with circle shear in frame 13, comprises cutter shaft 8 and lower cutter shaft 12.
Upper cutter shaft 8 wherein comprises two sections, one section that stretches in the frame 13 is called the socket section, another section that exposes outside frame 13 is called active section, the axle cylindrical of socket section supports by bearing 9 and frame 13 sockets, the socket section of bearing 9 towards frame 13 inboards also is equipped with collar 10 and nut B11, and the socket section termination of upper cutter shaft 8 is connected with actuating unit;
The active section outer round surface of upper cutter shaft 8 is set with steel bushing 4 by key, the two ends of steel bushing 4 are respectively arranged with inner circle baffle ring 17 and cylindrical baffle ring 18, between the active section step of inner circle baffle ring 17 inner side ends and upper cutter shaft 8 dish spring 5 is installed, inner circle baffle ring 17 outside end faces are provided with interstage sleeve 2, interstage sleeve 2 is threaded connection with the active section of upper cutter shaft 8, the position is relatively fixing, interstage sleeve 2 part cylindricals and steel bushing 4 part inner circles are for being tightly connected, and the space between the active section cylindrical of upper cutter shaft 8, interstage sleeve 2 and the steel bushing 4 consists of a closed containing cavity; Be set with successively quick change steel loop 3, associative ring 6 and cutterhead 7 on steel bushing 4 cylindricals from the outer end to the inner, the outside end face of quick change steel loop 3 contacts with interstage sleeve 2 inner side ends, quick change steel loop 3 inner side ends and associative ring 6 outside end contacts, associative ring 6 inner side ends and cutterhead 7 outside end contacts, cutterhead 7 inner side ends contact with cylindrical baffle ring 18 outer faces of steel bushing 4;
With reference to Fig. 2, the structure of lower cutter shaft 12 also comprises all parts all in the cutter shaft 8 in forming, and upper cutter shaft 8 syndeton differences are embodied in: the dish spring 5 in the lower cutter shaft 12 is arranged between interstage sleeve 2 and the nut A1, space between the active section cylindrical of lower cutter shaft 12, interstage sleeve 2 and the steel bushing 4 consists of a closed containing cavity, consistent such as in oil duct 14, nut A1, interstage sleeve 2, quick change steel loop 3, steel bushing 4, associative ring 6 and cutterhead 7 syndeton each other and the upper cutter shaft 8 of miscellaneous part.Among its dish spring of cutterhead on the upper cutter shaft 8 locking force direction such as Fig. 1 axially left, and among its dish spring locking force direction of the cutterhead on the lower cutter shaft 12 such as Fig. 1 axially to the right, opposite direction just in time.But the principle of work and power is identical, all is by hydraulic coupling compact disc spring, and then handmade rotary quick change steel bushing 4 makes it reach the effect of quick change and locking.
With reference to Fig. 3, the outer toroid of interstage sleeve 2 is provided with axial break slot 15, and break slot 15 is symmetrical arranged along circumference.
With reference to Fig. 4, the internal circular surfaces of quick change steel bushing 3 is provided with axial spacing block set 16, the quantity of spacing block set 16 and size are all corresponding with break slot 15, when spacing block set 16 and break slot 15 circumferentially to timing, quick change steel bushing 3 can withdraw from the outer toroid of interstage sleeve 2, associative ring 6 and cutterhead 7 also just and then withdraw from steel bushing 4, realize the replacing of associated components.
The operation principle of the utility model device is,
With reference to Fig. 1, pass into hydraulic oil from upper cutter shaft 8 left end oil ducts 14 first, after hydraulic oil passes into sealed volume, the inner circle baffle ring 17 of action of hydraulic force on steel bushing 4, inner circle baffle ring 17 recompression dish springs 5, steel bushing 4 and interstage sleeve 2 thrusts are disappeared produce the free gap, quick change steel bushing 3 all disappears with the thrust of cutterhead 7 with associative ring 6, associative ring 6 simultaneously, makes between quick change steel bushing 3, associative ring 6 and the cutterhead 7 and all produces the free gap;
This moment, the rotary quick change steel bushing 3, after the inner circle projection 16 that makes quick change steel bushing 3 aligns with the break slot 15 of interstage sleeve 2, quick change steel bushing 3 outwards withdrawed from by interstage sleeve 2 take away, successively associative ring 6 and cutterhead 7 are withdrawed from by interstage sleeve 2 again and take away, thereby realize fast dismantling tool changing dish 7;
After installing new cutterhead 7, give the sealed volume pressure release, dish spring 5 is upheld and is compressed steel bushing 4 inner circle end faces, thereby makes steel bushing 4 cylindrical inner faces compress cutterhead 7, and cutterhead 7 compresses successively with associative ring 6, quick change steel bushing 3, interstage sleeve 2, realizes the locking of cutterhead 7.
Change the cutterhead 7 of lower cutter shaft 12, its operation principle and operating procedure and upper cutter shaft 8 are similar.
Claims (3)
1. quick change and locking device that is used for disc shear cutter head is characterized in that: be provided with circle shear in frame (13), comprise cutter shaft (8) and lower cutter shaft (12),
Described upper cutter shaft (8) comprises two sections, one section that stretches in the frame (13) is called the socket section, another section that exposes outside frame (13) is called active section, the axle cylindrical of socket section supports by bearing (9) and frame (13) socket, and the socket section termination of upper cutter shaft (8) is connected with actuating unit;
The active section outer round surface of upper cutter shaft (8) is set with steel bushing (4) by key, the two ends of steel bushing (4) are respectively arranged with inner circle baffle ring (17) and cylindrical baffle ring (18), dish spring (5) is installed between the active section step of inner circle baffle ring (17) inner side end and upper cutter shaft (8), inner circle baffle ring (17) outside end face is provided with interstage sleeve (2), interstage sleeve (2) is threaded connection with the active section of upper cutter shaft (8), interstage sleeve (2) part cylindrical and steel bushing (4) part inner circle are for being tightly connected the active section cylindrical of upper cutter shaft (8), space between interstage sleeve (2) and the steel bushing (4) consists of a closed containing cavity; Be set with successively quick change steel loop (3), associative ring (6) and cutterhead (7) on steel bushing (4) cylindrical from the outer end to the inner, the outside end face of quick change steel loop (3) contacts with interstage sleeve (2) inner side end, quick change steel loop (3) inner side end and associative ring (6) outside end contact, associative ring (6) inner side end and cutterhead (7) outside end contact, cutterhead (7) inner side end contacts with cylindrical baffle ring (18) outer face of steel bushing (4);
Interstage sleeve (2) inner circle is set with nut A(1), nut A(1) axle center has oil duct (14), the active section axle center blind hole of upper cutter shaft (8) has radial hole, after the active section axle center blind hole and radial hole of oil duct (14) by upper cutter shaft (8), with closed containing cavity UNICOM;
The structure of described lower cutter shaft (12) also comprises all parts in the cutter shaft (8) in forming, dish spring (5) in the lower cutter shaft (12) wherein is arranged on interstage sleeve (2) and nut A(1) between, space between the active section cylindrical of lower cutter shaft (12), interstage sleeve (2) and the steel bushing (4) consists of a closed containing cavity, consistent in miscellaneous part syndeton each other and the upper cutter shaft (8).
2. quick change and locking device for disc shear cutter head according to claim 1, it is characterized in that: the outer toroid of described interstage sleeve (2) is provided with axial break slot (15), and break slot (15) is symmetrical arranged along circumference.
3. quick change and locking device for disc shear cutter head according to claim 1, it is characterized in that: the internal circular surfaces of described quick change steel bushing (3) is provided with axial spacing block set (16), and the quantity of spacing block set (16) and size are all corresponding with break slot (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220490121.5U CN202763188U (en) | 2012-09-24 | 2012-09-24 | Quick change and locking device used for circle shear cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220490121.5U CN202763188U (en) | 2012-09-24 | 2012-09-24 | Quick change and locking device used for circle shear cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202763188U true CN202763188U (en) | 2013-03-06 |
Family
ID=47769789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220490121.5U Expired - Lifetime CN202763188U (en) | 2012-09-24 | 2012-09-24 | Quick change and locking device used for circle shear cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202763188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921807A (en) * | 2016-07-07 | 2016-09-07 | 江苏亚威机床股份有限公司 | Cutter head locking mechanism for slitting machine |
-
2012
- 2012-09-24 CN CN201220490121.5U patent/CN202763188U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921807A (en) * | 2016-07-07 | 2016-09-07 | 江苏亚威机床股份有限公司 | Cutter head locking mechanism for slitting machine |
| CN105921807B (en) * | 2016-07-07 | 2018-02-02 | 江苏亚威机床股份有限公司 | A kind of banding machine cutterhead retaining mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |