CN212121230U

CN212121230U - Guide and guard guiding device of finishing mill

Info

Publication number: CN212121230U
Application number: CN201922474783.8U
Authority: CN
Inventors: 李海强; 张标; 李鹏; 张立新; 杨峰
Original assignee: Shanxi Gaoyi Steel Co ltd
Current assignee: Shanxi Gaoyi Steel Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-11
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a finishing mill guide guider relates to mechanical equipment technical field, including casing and wedge, the interior diapire fixedly connected with sleeve pipe of casing, the middle part sliding connection of sleeve pipe inside wall has the slider, the equal fixedly connected with overload protection spring in both sides of slider, and the slope rack has all been welded to the both sides of wedge lower surface, and the indent groove has been seted up to the upper surface of wedge. The utility model discloses a set up the overload protection spring, alleviated the great impact force that the guide and guard support body brought, prevent this device and guide and guard support body rigid contact and directly block and die, through horizontal rack, gear, the cooperation setting between slope rack and the wedge, the gear is rotatory, the wedge is to the operation below one side, the high reduction of this device, the trafficability characteristic of guide and guard support body has been improved, through setting up roof and base, the degree of can changing is great, flexibility is higher, effectively reduce the guide and guard support body can't normally slide the possibility.

Description

Guide and guard guiding device of finishing mill

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically a guiding device is led to finishing mill.

Background

In the steel rolling equipment, the main function of the entry guide of the finishing mill is to guide and center the strip steel, when in the rolling state, the entry guide of the finishing mill enters the stand to play the role of guiding and centering, when changing the roll, the entry guide of the finishing mill exits the stand to ensure the normal operation of the roll changing, when in the rolling state or the roll changing state of the finishing mill, if the exit limit of the entry guide of the finishing mill has a problem, the accident can be directly caused, if in the rolling state of the finishing mill, the exit limit is lost, the rolling mill stops, even the steel piling and other vicious accidents can be directly caused, when in the roll changing, the exit limit is lost, the roll changing can not be carried out according to the normal sequence, the program must be found manually to carry out the point sealing operation, if the entry guide of the finishing mill does not exit completely, the exit of the cooling frame of the finishing mill can be easily caused, the accident of collision between the working roll and the cooling frame is caused, the accident is quite difficult to process, the accident is easily expanded, the serious accidents such as casting stoppage, production stoppage and the like are caused, the replacement of the working roll in the work of finish rolling steel is conventional operation, the working roll is arranged on the guide frame body, in the roll replacement working process, the guide frame body needs to be withdrawn from a finish rolling machine frame, the guide frame body is easy to break down in the process, the working process of roll replacement is seriously influenced by the fault, the effective operation of equipment is further influenced, the faults of the guide frame body are all generated between the guide frame body and the guide blocks through analysis, the existing graphite self-lubricating guide blocks cannot meet the lubricating effect of the equipment in normal operation, the guide frame body and the guide blocks are blocked, and the guide frame body is normally withdrawn from the finish rolling machine frame body.

The finishing mill that discloses in chinese utility model patent application laid-open specification CN208275947U leads and defends guider, the device is provided with the rolling member at the guide block surface, make the rolling member with lead and defend the contact of support body, become sliding contact with rolling contact, the dead trouble of guide support body card because of sliding friction leads to has effectively been reduced, the rolling member on the device is less, lead and defend the support body still have certain sliding resistance when slideing, less rolling member bears great pressure, therefore, the volume of wearing and tearing is more after long-time the use, still have the dead possibility of card, in addition, the device is not convenient for according to the degree height-adjusting of chucking, the trafficability of guide support body is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a finishing mill leads and defends guider has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including casing and wedge, the interior diapire fixedly connected with sleeve pipe of casing, the middle part sliding connection of sleeve pipe inside wall has the slider, the equal fixedly connected with overload protection spring in both sides of slider, the slope rack has all been welded to the both sides of wedge lower surface, the indent has been seted up to the upper surface of wedge.

Optionally, a connecting rod and a fixing pin are welded on the upper surface and one side of the sliding block respectively, the fixing pin penetrates through the sleeve and the shell, the connecting rod penetrates through the sleeve, and a horizontal rack is fixedly connected to the upper end of the connecting rod.

Optionally, the upper portion of the inner side wall of the shell is rotatably connected with two gears which are coaxial, gear transmission holes are formed in two sides of the upper surface of the shell, the two gears penetrate through the gear transmission holes, the lower portion of each gear is meshed with a horizontal rack, and the upper portions of the two gears are respectively meshed with two inclined racks.

Optionally, a sliding groove is formed in the middle of the upper surface of the shell, a sliding rail is fixedly connected to the middle of the lower surface of the wedge-shaped block, and the sliding rail is slidably connected to the inside of the sliding groove.

Optionally, the inner bottom wall of the indentation groove is fixedly connected with a plurality of first anti-blocking springs, the upper ends of the first anti-blocking springs are fixedly connected with a top plate, and a plurality of balls are embedded in the upper surface of the top plate.

Optionally, the lower surface of the shell is fixedly connected with a plurality of second anti-blocking springs, the lower ends of the second anti-blocking springs are fixedly connected with a base, and the lower surface of the base is rotatably connected with a plurality of rollers.

(III) advantageous effects

The utility model provides a finishing mill guide guider possesses following beneficial effect:

1. this guiding device is led to finishing mill, through setting up the overload protection spring, the casing receives when leading the great transverse impact force that defends the support body and bring, the shrink of overload protection spring, the casing moves one section distance along with leading the defending support body in the horizontal direction, the great impact force that leads the defending support body and bring has been alleviated, prevent this device and lead defending support body rigid contact and direct card dies, furthermore, through horizontal rack, the gear, cooperation setting between slope rack and the wedge, when leading the defending support body on one side remove with this device chucking, the casing receives thrust and then horizontal migration, the gear is rotatory, the slope rack slip of meshing connection with it, wedge below operation to one side, the height of this device reduces, and lead the space grow between the defending support body, the trafficability of leading the defending support body has been improved.

2. This guiding device is led to finishing mill through setting up roof and base, and when this device received great clamp force in the vertical direction, the dead spring of first anti-sticking all takes place the shrink with the dead spring of second anti-sticking, makes roof and base be close to the casing, and the whole height of this device shortens, and the changeable degree is great, and is flexible higher, effectively reduces and leads the unable normal possibility that slides of guarding support body.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic perspective view of the sleeve of the present invention;

fig. 3 is a schematic perspective view of the wedge-shaped block of the present invention;

fig. 4 is a schematic perspective view of the housing of the present invention.

In the figure: 1. a housing; 2. a sleeve; 3. a slider; 4. an overload protection spring; 5. a connecting rod; 6. a fixing pin; 7. a gear drive bore; 8. a gear; 9. a chute; 10. a slide rail; 11. a wedge block; 12. tilting the rack; 13. retracting into the groove; 14. a first anti-seize spring; 15. a top plate; 16. a ball bearing; 17. a second anti-seize spring; 18. a roller; 19. a base; 20. a horizontal rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a guiding device for a finishing mill comprises a shell 1 and a wedge block 11, wherein a sleeve 2 is fixedly connected to the inner bottom wall of the shell 1, a sliding block 3 is connected to the middle part of the inner side wall of the sleeve 2 in a sliding manner, a connecting rod 5 and a fixing pin 6 are respectively welded on the upper surface and one side of the sliding block 3, the fixing pin 6 penetrates through the sleeve 2 and the shell 1, the connecting rod 5 penetrates through the sleeve 2, a horizontal rack 20 is fixedly connected to the upper end of the connecting rod 5, overload protection springs 4 are fixedly connected to both sides of the sliding block 3, the overload protection springs 4 contract when the shell 1 is subjected to large transverse impact force caused by a guide frame body, the shell 1 moves for a certain distance along with the guide frame body in the horizontal direction, large impact force caused by the guide frame body is relieved, the device is prevented from being directly clamped due to rigid contact with the guide frame body, and the upper part, two gears 8 are coaxial, gear transmission holes 7 are formed in two sides of the upper surface of a shell 1, the two gears 8 penetrate through the gear transmission holes 7, the lower portion of each gear 8 is connected with a horizontal rack 20 in a meshed mode, inclined racks 12 are welded on two sides of the lower surface of a wedge block 11, the upper portions of the two gears 8 are connected with the two inclined racks 12 in a meshed mode respectively, through the matching arrangement of the horizontal racks 20, the gears 8, the inclined racks 12 and the wedge block 11, when a guide frame moves and is clamped with the device, the shell 1 is pushed to horizontally move, the gears 8 rotate, the inclined racks 12 connected with the gears 8 in a meshed mode slide, the wedge block 11 runs obliquely downwards, the height of the device is reduced, the gap between the guide frame and the guide frame is increased, the passing capacity of the guide frame is improved, a sliding groove 9 is formed in the middle of the upper surface of the shell 1, a sliding rail 10 is fixedly connected, the slide rail 10 is connected inside the slide groove 9 in a sliding manner, the upper surface of the wedge block 11 is provided with a retraction groove 13, the inner bottom wall of the retraction groove 13 is fixedly connected with a plurality of first anti-blocking springs 14, the upper ends of the plurality of first anti-blocking springs 14 are fixedly connected with a top plate 15, the upper surface of the top plate 15 is embedded with a plurality of balls 16, the lower surface of the shell 1 is fixedly connected with a plurality of second anti-blocking springs 17, the lower ends of the plurality of second anti-blocking springs 17 are fixedly connected with a base 19, the lower surface of the base 19 is rotatably connected with a plurality of rollers 18, and by arranging the top plate 15 and the base 19, when the device is subjected to a larger clamping force in the vertical direction, the first anti-blocking spring 14 and the second anti-blocking spring 17 are contracted, so that the top plate 15 and the base 19 are close to the shell 1, the whole height of the device is shortened, the variable degree is great, and the flexibility is higher, effectively reduces the unable normal possibility that slides of guide support body.

During the use, install this device on the finishing mill support body through fixed pin 6, when the guide support body withdraws from the finishing mill support body, in case the guide support body blocks gradually with this device, first anti-sticking dead spring 14 all takes place to shrink with second anti-sticking dead spring 17 receives pressure, roof 15 and base 19 all are close to casing 1, the whole height of this device shortens, avoid this device to be blocked after excessive friction, improved the trafficability characteristic of guide support body, effectively reduce the unable normal possibility that slides of guide support body, if the guide support body still can't pass through, and this device is continued the chucking, receive the great thrust of guide support body after, the overload protection spring 4 of slider 3 one side contracts, make casing 1 and guide support body together move one end distance, reduced the great that guide support body brought, drive gear 8 horizontal migration when casing 1 removes, and horizontal rack 20 passes through connecting rod 5, Slider 3 and fixed pin 6 are fixed on the finishing mill support body, and horizontal rack 20 is static for the finishing mill support body, consequently, rotates when 8 horizontal migration of gear from this drive slope rack 12 and remove, and wedge 11 moves to the below that inclines, and the height of this device further reduces, avoids this device and guide support body card dead effectively.

The utility model discloses a theory of operation and beneficial effect: in summary, by arranging the overload protection spring 4, when the housing 1 receives a large transverse impact force from the guide frame, the overload protection spring 4 contracts, the housing 1 moves a distance along with the guide frame in the horizontal direction, so as to alleviate the large impact force from the guide frame, and prevent the device from directly blocking due to rigid contact with the guide frame, furthermore, by the matching arrangement of the horizontal rack 20, the gear 8, the inclined rack 12 and the wedge block 11, when the guide frame moves and blocks with the device while moving, the housing 1 receives thrust force and then moves horizontally, the gear 8 rotates, the inclined rack 12 engaged with the gear slides, the wedge block 11 moves obliquely downwards, the height of the device is reduced, the gap between the device and the guide frame is increased, so as to improve the passing capacity of the guide frame, by arranging the top plate 15 and the base 19, when the device receives a large clamping force in the vertical direction, first anti-sticking dead spring 14 and the dead spring 17 of second anti-sticking all take place the shrink, make roof 15 and base 19 be close to casing 1, and the whole height of this device shortens, and the changeable degree is great, and the flexibility is higher, effectively reduces the unable normal possibility that slides of guide support body.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a finishing mill guide guider, includes casing (1) and wedge (11), its characterized in that: inner diapire fixedly connected with sleeve pipe (2) of casing (1), the middle part sliding connection of sleeve pipe (2) inside wall has slider (3), the equal fixedly connected with overload protection spring (4) in both sides of slider (3), slope rack (12) have all been welded to the both sides of wedge (11) lower surface, indent (13) have been seted up to the upper surface of wedge (11).

2. A finishing mill guide as claimed in claim 1, wherein: connecting rod (5) and fixed pin (6) have been welded respectively to the upper surface and one side of slider (3), sleeve pipe (2) and casing (1) are run through in fixed pin (6), sleeve pipe (2) are run through in connecting rod (5), the upper end fixedly connected with horizontal rack (20) of connecting rod (5).

3. A finishing mill guide as claimed in claim 1, wherein: the upper portion of casing (1) inside wall rotates and is connected with two gear (8), two gear (8) are coaxial, gear transmission hole (7), two have all been seted up to the both sides of casing (1) upper surface gear (8) all run through gear transmission hole (7), the lower part and the horizontal rack (20) meshing of gear (8) are connected, two the upper portion of gear (8) is connected with two slope rack (12) meshing respectively.

4. A finishing mill guide as claimed in claim 1, wherein: the middle part of casing (1) upper surface has seted up spout (9), middle part fixedly connected with slide rail (10) of wedge (11) lower surface, slide rail (10) sliding connection is in the inside of spout (9).

5. A finishing mill guide as claimed in claim 1, wherein: the inner bottom wall of indentation groove (13) is fixedly connected with a plurality of first anti-sticking dead springs (14), and is a plurality of the upper end fixedly connected with roof (15) of first anti-sticking dead spring (14), the upper surface of roof (15) is inlayed and is connect with a plurality of balls (16).

6. A finishing mill guide as claimed in claim 1, wherein: the lower surface fixedly connected with of casing (1) is a plurality of second anti-sticking dead spring (17), and is a plurality of the lower extreme fixedly connected with base (19) of second anti-sticking dead spring (17), the lower surface of base (19) rotates and is connected with a plurality of roller (18).