CN216179248U - Circle shear holds in palm and grinds axle device - Google Patents
Circle shear holds in palm and grinds axle device Download PDFInfo
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- CN216179248U CN216179248U CN202122400155.2U CN202122400155U CN216179248U CN 216179248 U CN216179248 U CN 216179248U CN 202122400155 U CN202122400155 U CN 202122400155U CN 216179248 U CN216179248 U CN 216179248U
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Abstract
The utility model provides a circle shear support grinding shaft device, which comprises a support grinding shaft provided with a mounting surface for mounting a circle shear and a spacer ring; the disc shear also comprises two threaded rings and locking pieces, wherein the two threaded rings are sleeved on the support grinding shaft and tightly abut against the end faces of two sides of the mounting surface of the support grinding shaft, and the locking pieces are respectively sleeved on the two threaded rings and used for locking the disc shear. The application provides a circle shear holds in palm grinding shaft device can independently restore the circle shear that the machine was changed down, shortens repair cycle, improves the repair efficiency of circle shear grinding, has reduced circle shear spare part disability rate. The utility model provides a circle shear holds in palm grinding axle device, simple structure installs and removes the convenience, and the cost is lower.
Description
Technical Field
The utility model relates to the technical field of disc shear processing, in particular to a disc shear shaft supporting and grinding device.
Background
The cold rolling and pickling process in the steel rolling mill has the problem that the quality of the product is affected due to poor trimming quality, the disc shear needs to be replaced in time, and the disc shear after being taken off needs to repair the cambered surface in time in an outsourcing mode.
At present, the traditional repairing method adopts a special centre type machine tool for outsourcing to carry out processing and repairing, a circle shear is clamped on a headstock chuck, and single pieces are ground one by one. The repair period of the outcropping is long, the efficiency is low, the cost is high, and the normal use of the disc shear is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circle shear supporting and grinding shaft device, which solves the technical problems of low working efficiency and high cost of the traditional single-sheet repairing, can realize synchronous repairing of a plurality of circle shears, improves the repairing surface quality of the circle shears, and enables the repaired circle shears to be uniform and consistent.
The utility model provides a circle shear support grinding shaft device, which comprises a support grinding shaft provided with a mounting surface for mounting a circle shear and a spacer ring; the disc shear fixing device is characterized by further comprising two threaded rings and locking pieces, wherein the threaded rings are sleeved on the support grinding shaft and tightly abut against the two side end faces of the mounting surface of the support grinding shaft, the locking pieces are respectively sleeved on the threaded rings and used for locking the disc shear, external threads are arranged on the outer peripheral surfaces of the threaded rings, internal threads are arranged on the locking pieces, and the locking pieces are in threaded connection with the threaded rings.
Preferably, hold in palm the grinding axle and include two grinding machine centre frame back shafts and locate two grinding machine centre frame back shaft middle part just is used for installing the circle shear installation axle of circle shear and spacer ring, two grinding machine centre frame back shaft with circle shear installation axle coaxial setting.
Preferably, a plurality of rectangular notches which are distributed circumferentially are arranged on the edge of the locking piece.
Preferably, the rectangular notch and the locking hole of the locking piece are arranged at intervals.
Preferably, the rectangular notches and the locking holes are circumferentially distributed at equal intervals.
Preferably, the backing shaft is made of Cr5 forged steel.
The disc shear shaft supporting and grinding device provided by the utility model comprises a grinding supporting shaft, two threaded rings and two locking pieces, wherein the grinding supporting shaft is provided with an installation surface for installing the disc shears and a spacer ring, the disc shears are sleeved on the installation surface one by one, and then the spacer ring is utilized to eliminate axial gaps of the disc shears. The two thread rings are sleeved on the grinding supporting shaft and are tightly mounted on the end faces of the two sides of the mounting surface, and the locking piece is sleeved on the thread ring and used for locking the disc shear. The utility model overcomes the defect of long construction period caused by the repair of the traditional outsourcing centre machine tool, can automatically repair the circle shear at any time, is not limited by the repair period of the outsourcing completely, can be allocated according to the internal working plan among the grinding rollers, and shortens the repair time. The repairing device can meet the repairing processing of different numbers of disc shears, improve the repairing efficiency and ensure that the repairing quality of each disc shear is uniform and consistent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a shaft supporting and grinding device of a circle shear according to the present invention;
FIG. 2 is an enlarged view of the locking member of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is a schematic view of the circular shear sharpening shaft device provided by the present invention in a working state.
Wherein, 1-supporting grinding shaft, 2-thread ring, 3-locking piece, 4-disc shear, 5-grinding machine headstock, 6-grinding machine tailstock, 7-grinding wheel, 8-spacer ring, 9-core clamp and 10-machine tool support;
11-mounting surface, 31-locking hole and 32-rectangular notch.
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.
In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, fig. 1 is a schematic view of a shaft supporting and grinding device of a circle shear according to the present invention; FIG. 2 is an enlarged view of the locking member of FIG. 1; FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is a schematic view of the circular shear sharpening shaft device provided by the present invention in a working state.
The utility model provides a disc shear supporting and grinding shaft device which mainly comprises a supporting and grinding shaft 1, wherein the supporting and grinding shaft 1 is of a revolving body structure, an installation surface 11 for installing a disc shear 4 and a spacer ring 8 is arranged on the supporting and grinding shaft 1, and the installation surface 11 is a circumferential surface and is arranged in the middle of the supporting and grinding shaft 1. Still include two screw rings 2 and two retaining members 3, two screw ring 2 suits are on holding in the palm and grind axle 1, and lean on two side end face installations of the installation face 11 of the support grinding axle 1 of tight, and the welding of screw ring 2 is in two side end faces, and the inner peripheral surface of screw ring 2 is interior circle for smooth, and the outer peripheral surface is equipped with the external screw thread. Retaining member 3 is equipped with the internal thread, retaining member 3 and the 2 looks threaded connection of screw ring, and retaining member 3 suit is on screw ring 2 from this for locking rotary shear 4. Specifically, retaining member 3 is equipped with a plurality of locking hole that circumference distributes, utilizes retaining member 3 such as screw to pass the locking hole and realizes the fastening of retaining member 3 and circle shear 4 and lock the clearance of eliminating repeatedly.
When the supporting and grinding shaft 1 is machined, the transmission operation precision of the disc shear 4 on a grinding machine is considered, the full-length roundness of the working surface of the supporting and grinding shaft 1 is controlled within 0.01mm, the coaxiality is controlled within 0.02mm, the full-length diameter error is controlled within 0.01mm, the fit deviation of the inner holes of the supporting and grinding shaft 1 and the disc shear 4 is controlled within 0.05mm-0.07mm, and the supporting and grinding position of a center frame of the grinding machine is controlled within 0.005 mm.
Considering the convenient problem of different numbers of pieces grinding and dismouting of circle shear 4, according to holding in the palm 1 length of grinding axle, make a plurality of spacer rings 8, play the auxiliary action that separates the fender between the circle shear 4 when grinding different numbers, also play lathe support 10 strong point auxiliary action when dismantling simultaneously.
Specifically, when the spacer ring 8 is manufactured, the spacer ring 8 is manufactured according to the scrapping size of the disc shear 4 and the outer diameter size of the working surface of the supporting grinding shaft 1, and the spacer ring 8 and the disc shear 4 are sleeved on the supporting grinding shaft 1 together, so that the spacer ring not only can play a role in spacing and blocking when the disc shear 4 with different numbers is ground, but also is used for storing and supporting when the disc shear 4 is disassembled.
The use steps are as follows:
firstly, welding and fixing threaded rings 2 on two end surfaces of a working surface of a supporting grinding shaft 1, and mounting locking nuts to form a disc shear supporting grinding shaft device;
step two, installing the disc shear 4: placing the supporting grinding shaft 1 on a machine tool support 10, removing a locking nut at one end, and installing the disc shear 4 (the maximum number of grinding pieces in the design is 40, and the specific number of the disc shear 4 can be determined according to actual requirements);
thirdly, after the ground disc shear 4 is installed, blocking is carried out on two sides by using a spacer ring 8;
step four, after the circle shear 4 is installed, locking nuts at two ends are locked, and then locking pieces 3 on the end faces of the locking nuts are fastened to eliminate installation gaps among the circle shear 4;
and fifthly, installing a core clamp 9 at the eccentric position of the grinding support shaft 1, hoisting the disc shear shaft support device with the disc shear 4 after being installed to a support tile of a central frame of the grinding machine, enabling the eccentric position to face a headstock 5 of the grinding machine, pushing the grinding support device of the disc shear 4 by using a telescopic sleeve of a tailstock 6 of the grinding machine, driving the core clamp 9 by using a poke grab of the grinding machine head so as to drive the grinding support device of the disc shear 4 to transmit, selecting a grinding program, and performing repair grinding through the back-and-forth axial movement of a grinding wheel 7.
And step six, after the grinding and repairing are finished, hoisting the supporting and grinding device with the disc shear 4 to a position for storing the machine tool support 10, loosening a locking screw and a locking nut at one end, and completely disassembling the disc shear 4 on the supporting and grinding device for standby use.
The circle shear supporting and grinding shaft device provided by the utility model is not limited by the period, is convenient and quick to install and simple to operate, can realize automatic grinding by compiling the specific circle shear 4 processing program and grinding technological parameters through the roll numerical control grinding machine, can measure in real time and can ensure the grinding precision; according to the capacity of the grinding machine and the designed length of the supporting and grinding shaft 1, multiple pieces can be ground simultaneously at one time during repair, and the working efficiency is greatly improved; the number of grinding sheets can be flexibly mastered in the maximum grinding capacity, and the spacer ring 8 can not be limited by the minimum number of grinding sheets so as to meet the requirements of processing and repairing of different quantities, shorten the repairing period of the disc shear 4, improve the grinding and repairing work efficiency of the disc shear 4, ensure the turnover use amount of the disc shear 4 and reduce the repairing cost.
As shown in fig. 1. The supporting and grinding shaft 1 comprises two grinding machine center frame supporting shafts and a disc shear mounting shaft, the disc shear mounting shaft is arranged in the middle of the two grinding machine center frame supporting shafts, the diameter of the disc shear mounting shaft is larger than that of the grinding machine center frame supporting shafts, the two grinding machine center frame supporting shafts and the disc shear mounting shaft are coaxially arranged, and the two grinding machine center frame supporting shafts and the disc shear mounting shaft are integrally machined, so that a revolving body structure is formed. The circle shear mounting shaft is used for mounting the circle shear 4 and the spacer ring 8, and the machine tool support 10 is supported and fixed on a supporting shaft of a center frame of the grinding machine.
The edge of retaining member 3 is equipped with a plurality of rectangle breach 32, and rectangle breach 32 circumference distributes in retaining member 3, and rectangle breach 32 is used for supplying the iron rod to strike fastening retaining member 3.
That is to say, for guaranteeing that the locking between retaining member 3 and the screw ring 2 is firm, the back is installed to retaining member 3, and the staff utilizes tools such as iron rod to strike rectangle breach 32, locks retaining member 3 and screw ring 2 through strikeing, and circle shear 4 receives grinding force to lead to following the commentaries on classics when avoiding the grinding.
Preferably, the rectangular notch 32 is spaced from the locking hole 31 to ensure that the striking force is uniformly applied and the locking is more secure.
Furthermore, the rectangular notches 32 and the locking holes 31 are circumferentially distributed at equal intervals, so that the processing is convenient, and the appearance is attractive.
In order to ensure that the backing shaft 1 has a certain hardness and corrosion resistance, the backing shaft 1 is preferably made of, but not limited to, a roll of Cr5 forged steel. Therefore, the anti-corrosion performance of the grinding support shaft 1 is improved, and the matching precision of the matching working surface with the inner hole of the disc shear 4 is avoided.
In conclusion, the present application utilizes the on-site grinding machine equipment to grind the circle shear 4 through the shaft grinding device, and can realize the automatic grinding of the circle shear 4.
The shaft supporting and grinding device of the disc shear provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A circle shear support grinding shaft device is characterized by comprising a support grinding shaft (1) provided with a mounting surface (11) for mounting a circle shear (4) and a spacer ring (8); the disc shear fixing device is characterized by further comprising two threaded rings (2) and locking pieces (3), wherein the threaded rings are sleeved on the two side end faces of the mounting surface (11) of the supporting grinding shaft (1) and tightly attached to the two side end faces of the supporting grinding shaft (1), the locking pieces (3) are respectively sleeved on the threaded rings (2) and used for locking the disc shear (4), external threads are arranged on the outer peripheral faces of the threaded rings (2), internal threads are arranged on the locking pieces (3), and the locking pieces (3) are in threaded connection with the threaded rings (2).
2. A disc shear truing shaft assembly according to claim 1, wherein the truing shaft (1) comprises two grinding machine center frame support shafts and a disc shear mounting shaft disposed at the middle of the two grinding machine center frame support shafts for mounting a disc shear (4) and a spacer ring (8), and the two grinding machine center frame support shafts are coaxially disposed with the disc shear mounting shaft.
3. A disc shear cradle grinding shaft arrangement according to claim 1 or 2, characterized in that the edge of the locking piece (3) is provided with several rectangular notches (32) distributed circumferentially.
4. A disc shear cradle grinding shaft arrangement according to claim 3, characterized in that the rectangular notch (32) is arranged spaced from the locking hole (31) of the locking piece (3).
5. A disc shear truing shaft assembly as set forth in claim 4 wherein said rectangular notches (32) and said locking holes (31) are equally circumferentially spaced.
6. A disc shear truing shaft assembly as defined in claim 1, characterized in that said truing shaft (1) is made of Cr5 forged steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400155.2U CN216179248U (en) | 2021-09-30 | 2021-09-30 | Circle shear holds in palm and grinds axle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400155.2U CN216179248U (en) | 2021-09-30 | 2021-09-30 | Circle shear holds in palm and grinds axle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216179248U true CN216179248U (en) | 2022-04-05 |
Family
ID=80860042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122400155.2U Active CN216179248U (en) | 2021-09-30 | 2021-09-30 | Circle shear holds in palm and grinds axle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216179248U (en) |
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2021
- 2021-09-30 CN CN202122400155.2U patent/CN216179248U/en active Active
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