CN210731249U

CN210731249U - Tool bit assembly for preventing continuous casting deburring tool bit from being blocked

Info

Publication number: CN210731249U
Application number: CN201920974401.5U
Authority: CN
Inventors: 李文丁; 肖涛; 高新军; 刘钊; 李敏; 王运方; 何强; 李建文; 王向松; 徐刚; 王飞日; 吴丽娜
Original assignee: Anyang Iron and Steel Co Ltd
Current assignee: Anyang Iron and Steel Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-06-12
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a prevent tool bit subassembly that continuous casting burring tool bit card hinders, it includes: the main barrel body, the cutter bar and the disc type burr scraper tool bit, be provided with the wind channel of a intercommunication in the main barrel body, swing joint cutter bar in the main barrel body, the top of connecting the cutter bar is passed through fixing bolt and is connected disc type burr scraper tool bit, the cutter bar cup joints wear-resisting ring, the uide bushing is gone up in the wear-resisting ring cup joint, the gland is all connected with the bottom to main barrel body upper end. The utility model has the advantages that: the utility model has the advantages that the air channel in the main cylinder body is connected with the compressed air, and the compressed air is blown out through the gap between the wear-resisting ring and the upper guide sleeve during the operation to form positive pressure, so that accumulated slag is prevented from entering the gap of the equipment, the blockage of the tool bit can be prevented, and the deburring effect is improved; because the friction force is reduced after the inner diameter of the lower guide sleeve is increased, the power is saved, the temperature of the assembly is reduced under the cooling action of compressed air, and the fatigue life of the assembly is prolonged.

Description

Tool bit assembly for preventing continuous casting deburring tool bit from being blocked

Technical Field

The utility model relates to a tool bit assembly specifically is a prevent tool bit assembly that continuous casting burring tool bit card hinders.

Background

The fixed-length cutting of the slab caster is generally flame cutting, and the principle is as follows: the metal at the cutting seam is heated and melted by flame of mixed combustion of preheating oxygen and fuel gas, and then the energy of high-pressure cutting oxygen is utilized to blow off the melted metal to form a cutting seam, so that the casting blank is cut off. The flame cutting equipment has light weight and less investment, is not limited by the size and the temperature of the section of a casting blank, and has smooth cut section and the like; however, the flame cutting slag adheres to the lower edge of the end surface of the casting blank to form burrs. If the burrs are not processed, the quality defects of the rolled steel plate can be caused, and even the roller can be damaged. The slab caster is therefore equipped with a deburring machine for deburring. The deburring machine has a scraper type and a hammer type.

The scraper type deburring machine is characterized in that a plurality of groups of disc type tool bits are arranged on a lifting beam, a pressure spring is arranged below each tool bit, the deburring machine lifts the beam through an air bag, after the beam is lifted, the tool bits respectively push against running casting blanks tightly under the acting force of the springs, and the casting blank burrs are removed by means of shearing force generated by scraping between the tool bits and the burrs. This type of deburring requires that the disc cutter head be lifted into position, otherwise the deburring effect will be affected. However, in actual production, the jamming phenomenon of the deburring cutter head in the ascending process often occurs, so that the cutter head is not lifted in place, and burrs cannot be removed. Based on this, it is necessary to carry out optimal design to the tool bit subassembly of disc scraper formula burring machine, solves the tool bit jamming problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem of the prior art, the utility model provides a prevent tool bit subassembly that continuous casting burring tool bit card hinders has solved and has prevented disc type tool bit card and hinder the problem.

In order to achieve the purpose, the invention adopts the main technical scheme that:

a kind of tool bit assembly preventing the sticking of the deburring tool bit of the continuous casting, it includes: the improved deburring machine comprises a main barrel body, a cutter rod and a disc type burr scraper tool bit, wherein a communicated air channel is arranged in the main barrel body, the cutter rod is movably connected in the main barrel body, the top end of the connected cutter rod is connected with the disc type burr scraper tool bit through a fixing bolt, the cutter rod is sleeved with a wear-resistant ring, the wear-resistant ring is sleeved with a guide sleeve, a gland is connected with the upper end and the bottom of the main barrel body, the cutter rod is connected with a dustproof ring at the end of the disc type burr scraper tool bit, the dustproof ring is connected with a dustproof gasket, a sealing ring is arranged between the cutter rod and the upper guide sleeve, a jacking spring is connected between the main barrel body and the cutter rod in a contact mode, the lower end of the main barrel body is connected with a lower guide sleeve, one end of.

Preferably, an air duct is arranged in the main cylinder body, the main cylinder body is hollow, the air duct is connected with compressed air, a mounting hole matched with the upper guide sleeve is formed in the main cylinder body, and the diameter of the mounting hole is slightly larger than that of the upper guide sleeve and is in clearance fit.

Preferably, the upper end and the lower end of the main cylinder body are designed into horizontal planes for convenient installation, and the installation surface is matched with the pressing covers installed at the upper end and the lower end.

Preferably, the cutter arbor is the design of cylinder type, the cutter arbor is the notch cuttype design.

Preferably, the cutter bar is connected with a wear-resistant ring clamping sleeve, the wear-resistant ring clamping sleeve is connected with an upper guide sleeve, and the cutter bar, the wear-resistant ring and the upper guide sleeve are coaxially designed.

Preferably, three mounting screw holes distributed in a triangular shape are designed on the disc type burr scraper tool bit, and the disc type burr scraper tool bit is fixedly connected with one end of the cutter bar through three hexagon socket head bolts.

Preferably, the designed diameter of the lower guide sleeve is larger than that of one end of the cutter bar, and the lower guide sleeve is in clearance fit with the cutter bar.

Advantageous effects

The utility model has the advantages that: the utility model discloses a prevent tool bit subassembly that continuous casting burring tool bit card hinders, the wind channel in the main cylinder body is connected with compressed air, and compressed air blows off through the clearance between wear ring and the upper guide sleeve during operation, forms the malleation, can prevent that the long-pending sediment from getting into the card and hindering the tool bit, and then improves the burring effect; because the friction force is reduced after the inner diameter of the lower guide sleeve is increased, the power is saved, the temperature of the assembly is reduced under the cooling action of compressed air, and the fatigue life of the assembly is prolonged.

Drawings

Fig. 1 is a schematic view of the overall plane structure of the present invention.

[ description of reference ]

1. A main cylinder; 2. an air duct; 3. a cutter bar; 4. a disc type burr scraper head; 5. a hexagon socket head cap screw; 6. a wear ring; 7. an upper guide sleeve; 8. a gland; 9. a dust ring; 10. a dust-proof gasket; 11. a seal ring; 12. a jacking spring; 13. a lower guide sleeve; 14. clamping the nut; 15. pre-tightening the butterfly spring; 16. anti-loosening spare cap.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

Referring to fig. 1, the present invention provides a technical solution: a kind of tool bit assembly preventing the sticking of the deburring tool bit of the continuous casting, it includes: the main barrel body 1, cutter arbor 3 and disc type burr scraper tool bit 4, be provided with the wind channel 2 of a intercommunication in the main barrel body 1, swing joint cutter arbor 3 in the main barrel body 1, connect the top of cutter arbor 3 to pass through hexagon socket head cap screw 5 and connect disc type burr scraper tool bit 4, cutter arbor 3 cup joints wear-resisting ring 6, wear-resisting ring 6 cup joints uide bushing 7, gland 8 is all connected with the bottom to main barrel body 1 upper end, cutter arbor 3 is connected a dust ring 9 with disc type burr scraper tool bit 4 link, dust ring 9 connects dust washer 10, set up a sealing washer 11 between cutter arbor 3 and the last uide bushing 7, contact connection jacking spring 12 between main barrel body 1 and the cutter arbor 3, uide bushing 13 under the main barrel body 1 lower extreme is connected, 3 one end of cutter arbor is connected with

clamping nut

14, 3 one end of cutter arbor and

pretension butterfly spring

15, 3 one end of.

Further, an air duct 2 is arranged in the main cylinder body 1, the main cylinder body 1 is hollow, the air duct 2 is connected with compressed air, a mounting hole matched with the upper guide sleeve 7 is formed in the main cylinder body 1, the diameter of the mounting hole is slightly larger than that of the upper guide sleeve 7, and the mounting hole is in clearance fit.

In this embodiment, let in compressed air through in the wind channel 2, flow out through the gap from between cutter arbor 3 and the upper guide sleeve 7 when the subassembly is worked, carry out wind-force to the piece and clear away, avoided the jam of tool bit.

Further, the upper end and the lower end of the main cylinder body 1 are both provided with horizontal installation planes, and the installation planes are matched with the glands 8 installed at the upper end and the lower end.

In this embodiment, the upper end and the lower end of the main cylinder 1 are both designed with horizontal mounting planes and have corresponding grooves, which is convenient for mounting the gland 8.

Further, the cutter arbor 3 is the design of cylinder type, and cutter arbor 3 is the notch cuttype design.

In this embodiment, the cutter bar 3 arranged in a ladder shape is convenient for clamping the jacking spring 12, and the jacking spring 12 provides restoring elasticity for the cutter bar 3.

Further, the cutter bar 3 is connected with the wear-resistant ring 6 in a clamping manner, the wear-resistant ring 6 is connected with the upper guide sleeve 7 in a clamping manner, and the cutter bar 3, the wear-resistant ring 6 and the upper guide sleeve 7 are designed coaxially.

In this embodiment, the cutter bar 3 is connected with the wear-resistant ring 6, and the wear-resistant ring 6 can increase the wear resistance, delay the wear of the cutter bar 3 in the use process of the assembly, and prolong the service life.

Furthermore, three mounting screw holes distributed in a triangular shape are formed in the disc type burr scraping cutter head 4, and the disc type burr scraping cutter head 4 is fixedly connected with one end of the cutter rod 3 through three hexagon socket head bolts 5.

In this embodiment, make disc type burr scraper tool bit 4 firmly connect 3 one ends of cutter arbor through three hexagon socket head cap screws 5, be convenient for change when disc type burr scraper tool bit 4 wearing and tearing simultaneously, it is convenient to use.

Further, the diameter of the lower guide sleeve 13 is larger than that of one end of the cutter bar 3, and the lower guide sleeve is in clearance fit with the cutter bar.

In the present embodiment, the frictional force between the blade holder 3 and the lower guide sleeve 13 is reduced.

The utility model discloses a theory of operation: air duct 2 in the main barrel 1 is connected with compressed air, cutter arbor 3 carries out the displacement under power device promotes, compressed air blows off through the clearance between wear ring 6 and the last uide bushing 7 at disc type burr scraper tool bit 4 during operation, clear away the long-pending sediment, can prevent the tool bit card and hinder, improve burring effect simultaneously, the dirt ring 9 of 3 one ends of cutter arbor avoids the long-pending sediment to splash into the subassembly, when the subassembly is out of work, raise cutter arbor 3 by jacking spring 12, wear ring 6 carries out gas seal with the cooperation of sealing washer 11 simultaneously, guarantee the gas tightness, because reduce frictional force after 13 internal diameters of uide bushing increase down, power has been practiced thrift, under compressed air cooling effect, the temperature of subassembly has been reduced, the fatigue life of subassembly has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent that continuous casting burring tool bit card hinders tool bit subassembly which characterized in that, it includes: the device comprises a main cylinder body (1), a cutter bar (3) and a disc type burr scraper tool bit (4);

the dust-proof device is characterized in that a communicated air duct (2) is arranged in the main cylinder body (1), the main cylinder body (1) is internally movably connected with a cutter bar (3), the top end of the connecting cutter bar (3) is connected with a disc type burr scraper tool bit (4) through an inner hexagon bolt (5), the cutter bar (3) is sleeved with a wear-resistant ring (6), the wear-resistant ring (6) is sleeved with an upper guide sleeve (7), the upper end and the bottom of the main cylinder body (1) are both connected with a gland (8), the connecting end of the cutter bar (3) and the disc type burr scraper tool bit (4) is connected with a dust-proof ring (9), the dust-proof ring (9) is connected with a dust-proof gasket (10), a sealing ring (11) is arranged between the cutter bar (3) and the upper guide sleeve (7), a jacking spring (12) is connected between the main cylinder body (1) and the cutter, one end of the cutter bar (3) is connected with a clamping nut (14), one end of the cutter bar (3) is connected with a pre-tightening butterfly spring (15), and one end of the cutter bar (3) is connected with a locking spare cap (16).

2. The bit assembly of claim 1, wherein the bit assembly is configured to prevent jamming of the continuous casting deburring bit, and further comprising: set up wind channel (2) in main barrel (1), main barrel (1) is the cavity setting, and wind channel (2) are connected with compressed air, main barrel (1) is gone up and is set up and go up uide bushing (7) assorted mounting hole, and the mounting hole diameter is greater than go up uide bushing (7) diameter 0.2 mm.

3. The bit assembly of claim 1, wherein the bit assembly is configured to prevent jamming of the continuous casting deburring bit, and further comprising: the upper end and the lower end of the main cylinder body (1) are both provided with horizontal mounting planes, and the mounting planes are matched with the pressing covers (8) mounted at the upper end and the lower end.

4. The bit assembly of claim 1, wherein the bit assembly is configured to prevent jamming of the continuous casting deburring bit, and further comprising: the cutter arbor (3) are designed for a cylinder, and the cutter arbor (3) is designed for a ladder shape.

5. The bit assembly of claim 1, wherein the bit assembly is configured to prevent jamming of the continuous casting deburring bit, and further comprising: the cutter bar (3) is connected with the wear-resistant ring (6) in a clamping manner, the wear-resistant ring (6) is connected with the upper guide sleeve (7) in a clamping manner, and the cutter bar (3), the wear-resistant ring (6) and the upper guide sleeve (7) are coaxially designed.

6. The bit assembly of claim 1, wherein the bit assembly is configured to prevent jamming of the continuous casting deburring bit, and further comprising: the disc type burr scraper is characterized in that three mounting screw holes which are uniformly distributed are formed in the disc type burr scraper tool bit (4), and the disc type burr scraper tool bit (4) is fixedly connected with the upper end of the cutter bar (3) through three inner hexagon bolts (5).