CN212122776U

CN212122776U - Finishing processing device for horizontal roll shaft of universal mill

Info

Publication number: CN212122776U
Application number: CN202020762298.0U
Authority: CN
Inventors: 程采金; 高安阳; 王成
Original assignee: Masteel Heavy Machinery Manufacturing Co Of Anhui
Current assignee: Masteel Heavy Machinery Manufacturing Co Of Anhui
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-11
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a finishing processingequipment of universal mill horizontal roller belongs to axle, roller class part surface machining technical field. The utility model discloses a finishing processing device of universal mill horizontal roller, including the lathe, the middle part of lathe medial surface transversely is provided with pivot I, coaxial the having cup jointed the roller on pivot I, pivot I below is provided with the balladeur train along its length direction symmetry, the board support is installed to balladeur train top adaptation formula, abrasive band grinding device passes through the lathe capstan head setting in the one end of board support, through guide rail cooperation spout, the board support can slide from side to side along the guide rail on the balladeur train to realize the function of turning; the abrasive belt grinding device comprises a driving wheel and a supporting wheel, wherein the outer surface of the driving wheel is provided with a bulge which plays a role in arc centering on the abrasive belt; the supporting wheel is characterized in that two ends of the supporting wheel are coaxially provided with baffle rings, and the outer diameter of each baffle ring is larger than the outer diameter of the wheel surface of the supporting wheel, so that the anti-falling belt is realized.

Description

Finishing processing device for horizontal roll shaft of universal mill

Technical Field

The utility model belongs to the technical field of axle, roller class part surface machining technique and specifically relates to a universal mill horizontal roller finishing processingequipment that says so.

Background

The surface finish requirement of large shafts and rollers is high, the machining is generally required to be carried out by reserving 0.15-0.2 mm allowance on a single side of a lathe, and then the grinding machining of a rotary grinding machine can meet the design requirement. Large-scale grinding machine equipment is generally not purchased in a mechanical factory, and the large-scale grinding machine has single purpose and can only be used for grinding; and the purchase cost of the grinding machine is higher, and the occupied area is larger.

The range of the abrasive belt grinding is much wider than that of a grinding wheel grinder, and all large planes which cannot be ground by the grinding wheel grinder and materials which are difficult to process, such as various thick, medium and thin steel plates and stainless steel titanium alloy plates, can be ground; it can also be used for grinding various non-metal materials, large-sized rollers and shaft parts. The abrasive belt grinding is a process of grinding a workpiece by taking an abrasive belt as a grinding tool and assisting a grinding head main body such as a contact wheel, a tension wheel, a driving wheel and the like and an offset adjusting mechanism together, and is a process of sleeving the abrasive belt on the outer surfaces of the tension wheel and the driving wheel, tensioning and adjusting the abrasive belt, and then grinding the workpiece by adopting proper grinding process parameters according to processing requirements. The existing abrasive belt polishing device generally directly drives a contact wheel by a motor shaft and then drives an abrasive belt to rotate for grinding. Belt grinding apparatuses are generally classified into a wheel press type and a belt press type, and their grinding characteristics are substantially the same.

It was retrieved that SCM GROUP SPA, a european company, in 2009, proposed a belt sander (EP2241401A) comprising a sanding unit provided with sanding elements for sanding the above-mentioned work pieces. In order to allow for quicker replacement of the sanding element, a slidable coupling element is provided for slidably coupling the sanding unit to the sander such that the sanding unit is movable between a retracted position in which the sanding element is located inside the sander for sanding the above-mentioned components, and an extracted position in which the sanding element is at least partially removed from the sander from the sanding element so as to be replaceable. The western countries seize the technical advantage in the aspect of abrasive belt grinding machine technology because of the development of precision manufacturing industry. However, the research and development of the abrasive belt grinding machine in China are late, most patent applicants are enterprises, the technical level still lags abroad, and no active overseas patent layout is performed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

To the higher large-scale axle type of finish requirement, roller class part use cylindrical grinder grinding to add man-hour, large-scale grinding machine can only be used for grinding and the great scheduling problem of area, the utility model discloses a universal mill horizontal roller finishing processingequipment installs abrasive band grinding device on existing equipment such as lathe, realizes replacing the mill with the car, improves horizontal roller surface finish to satisfy design and operation requirement.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the finishing machining device for the horizontal roller shaft of the universal rolling mill comprises a lathe, wherein a rotating shaft I is transversely arranged in the middle of the inner side surface of the lathe, a roller shaft is coaxially sleeved on the rotating shaft I, sliding frames are symmetrically arranged below the rotating shaft I along the length direction of the rotating shaft I, and the end parts of the sliding frames are fixedly arranged on the inner side surface of the lathe; a plate support is arranged above the sliding frame in a matching mode, and the plate support can be arranged at different positions of the sliding frame along the length direction of the sliding frame on a lathe; the plate support is characterized in that a machine tool rotating tower is fixedly arranged at one end of the plate support, an abrasive belt grinding device is detachably arranged at the upper end of the machine tool rotating tower, and the abrasive belt grinding device is arranged on the existing equipment such as a lathe and the like to realize turning instead of grinding, so that the surface smoothness of a roll shaft is improved, and the problems of high purchase cost of a grinding machine, large floor area and the like can be solved.

According to a further technical scheme, the abrasive belt grinding device comprises a base, the base comprises a base frame, the base frame is detachably connected with a rotary table on the upper portion of a machine tool turret, and the relative position of the base and the machine tool turret is fixed through a compression screw; a support plate I is horizontally arranged at the upper part of the underframe, a motor support is fixedly arranged on the support plate I, a motor is fixedly arranged on the motor support, and a motor output shaft of the motor is externally connected with a driving wheel through a key; the outer surface of the driving wheel is provided with a bulge to ensure that the abrasive belt is tensioned in the power transmission process and play a role in arc centering, the size of the bulge is related to the width of the driving wheel, and the size of the bulge is about 0.25-0.3 times of the width of the driving wheel; the diameter of the driving wheel is calculated according to the rotating speed of the motor and the maximum linear speed of the abrasive belt, and the maximum linear speed is controlled to be 40 m/s; a support plate II is arranged on one side, close to the output shaft of the motor, of the support plate I, a support frame is fixedly mounted on the outer side of the support plate II and comprises two groups of supports which are arranged in parallel, each support is of a V-shaped structure, a clamping groove is transversely formed in the outer end of each support, a rotating shaft II extending outwards from the end of each support wheel can be clamped in the clamping groove and fixed through a nut, and therefore the support wheels are fixed on the support frames and can rotate around the rotating shafts II; the abrasive belt centering device is characterized in that two ends of the supporting wheel are coaxially provided with baffle rings, abrasive belts are wound on the wheel surface of the supporting wheel between the baffle rings, the outer diameter of each baffle ring is larger than that of the wheel surface of the supporting wheel, the baffle rings play a centering and guiding role on the transmitted abrasive belts and further play a role in belt falling prevention, and the supporting wheel is in transmission connection with a driving wheel through the abrasive belts; when the grinding machine works, the underframe is arranged at the position where the tool rest of the machine tool is placed, the motor drives the driving wheel to rotate, the abrasive belt drives the supporting wheel to rotate, the machine tool drives the roll shaft to rotate, the rotation direction of the abrasive belt is opposite to that of the roll shaft, and the abrasive belt is in uniform contact with a workpiece to grind. The range of the abrasive belt grinding is much wider than that of a grinding wheel grinder, and all large planes which cannot be ground by the grinding wheel grinder and materials which are difficult to process, such as various thick, medium and thin steel plates and stainless steel titanium alloy plates, can be ground; it can also be used for grinding various non-metal materials, large-sized rollers and shaft parts.

According to the further technical scheme, a waist-shaped groove is transversely formed in the support plate II, the included angle between the waist-shaped groove and the horizontal plane is 10-15 degrees, and the waist-shaped groove inclined to the horizontal plane is arranged to play a role in lifting the support frame; on the other hand, when the support frame moves horizontally along the waist-shaped groove left and right, the abrasive belt is tangent to the surface to be ground of the roll shaft. A support frame is fixedly arranged on the outer side of the support plate II through the waist-shaped groove and the bolt I, and the tightness degree of the abrasive belt is adjusted through moving the support frame; the two brackets are fixedly connected through a connecting block, the outer end of the connecting block is detachably connected with a positioning block through a bolt I, and the positioning block is arranged between the support frame and the support plate II; and a tensioning adjusting screw hole is transversely formed in the support plate II, a tensioning screw is coaxially arranged in the tensioning adjusting screw hole, and the end part of the tensioning screw is in contact with the outer surface of the connecting block so as to tightly press the support frame, so that the longitudinal feeding amount is controlled.

According to a further technical scheme, a guide rail is arranged in the middle of the upper surface of the sliding frame along the length direction of the sliding frame; the board holds in the palm the lower surface and corresponds the guide rail position symmetry and has seted up the spout, the spout can adaptation formula block with the guide rail, the board holds in the palm and can follow the guide rail horizontal slip on the balladeur train to realize the function of turning, the utility model discloses a sand belt is executed pressure and is carried out the grinding in workpiece surface, and its contact pressure is less relatively, and the metal surplus of getting rid of in the unit interval is very little.

According to the further technical scheme, the supporting plate is also vertically and symmetrically provided with lifting ring bolt holes for lifting the whole abrasive belt grinding device.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a finishing processing device for horizontal roll shafts of universal rolling mills, which is characterized in that an abrasive belt grinding device is arranged on the prior equipment such as a lathe and the like, so as to realize the replacement of grinding by turning, improve the surface smoothness of the horizontal roll shaft and solve the problems of higher purchase cost of the grinding machine, larger occupied area and the like;

(2) the utility model discloses a universal mill horizontal roller finishing processingequipment, the symmetry is provided with the balladeur train below the lathe, the board holds in the palm is installed to the adaptation formula above the balladeur train, abrasive band grinding device passes through the lathe capstan head setting in the one end of board support, through guide rail cooperation spout, the board holds in the palm can slide from side to side along the guide rail on the balladeur train to realize the function of turning;

(3) the utility model discloses a universal mill horizontal roller finishing processing device, one side that is close to the motor output shaft on the backup pad I is provided with backup pad II, the outside fixed mounting of backup pad II has the support frame, the support frame includes two sets of supports that set up in parallel, the support is the V-arrangement structure, the outer end of support has transversely seted up the draw-in groove, can block in the draw-in groove the overhanging pivot II of supporting wheel tip, and fix through the nut, thereby fix the supporting wheel on the support frame, and can realize that the supporting wheel rotates around its pivot II;

(4) the utility model relates to a finishing processing device for a horizontal roller shaft of a universal mill, wherein, an abrasive belt is wound on the periphery of a supporting wheel and is in transmission connection with a driving wheel through the abrasive belt; when the grinding machine works, the underframe is arranged at the tool rest placing position of a machine tool, the driving wheel is driven to rotate by the motor, and the supporting wheel is driven to rotate by the abrasive belt, so that the abrasive belt is in contact with a workpiece for grinding;

(5) the utility model discloses a finishing processing device for horizontal roller shafts of universal rolling mills, a waist-shaped groove is transversely arranged on a support plate II, the included angle between the waist-shaped groove and a horizontal plane is 10-15 degrees, the waist-shaped groove inclined to the horizontal plane is arranged to play a role of raising a support frame on one hand, and on the other hand, the support frame can be ensured to be in a tangent state with the surface to be ground of the roller shaft all the time when the support frame translates along the waist-shaped groove on the left and right; the tightness degree of the abrasive belt is controlled by moving the support frame;

(6) the utility model discloses a finishing processing device for horizontal roller shafts of universal rolling mills, a tensioning adjusting screw hole is transversely arranged on a support plate II, a tensioning screw is coaxially arranged in the tensioning adjusting screw hole, and the end part of the tensioning screw presses the outer surface of a connecting block to fix a support frame, thereby controlling the longitudinal feeding amount;

(7) the utility model discloses a finishing processingequipment of universal mill horizontal roller, the grinding degree of depth to high rigidity, difficult grinding material is: 0.02-0.03 mm; the grinding depth of the common material is as follows: 0.03-0.05 mm; during coarse grinding, a coarse-grained abrasive belt is adopted, and a workpiece which is ground by using larger longitudinal feeding and larger grinding pressure has a larger surface roughness value; when in fine grinding, a fine-grained abrasive belt, smaller longitudinal feeding amount and smaller grinding pressure are needed, so that the surface roughness value of the ground workpiece is smaller;

(8) the utility model discloses a finishing processing device for horizontal roller shafts of universal rolling mills, baffle rings are coaxially arranged at two ends of a supporting wheel, an abrasive belt is wound on the wheel surface of the supporting wheel between the baffle rings, the baffle rings are arranged at two ends of the supporting wheel, and the outer diameter of the baffle rings is larger than the outer diameter of the wheel surface of the supporting wheel, so that the belt falling prevention effect is achieved, and the centering guiding effect is achieved on the conveyed abrasive belt;

(9) the utility model discloses a finishing processingequipment of universal mill horizontal roller, the drive wheel adopts key and motor output shaft, the surface of drive wheel is provided with the arch to guarantee to transmit power in-process tensioning abrasive band, play the effect of circular arc centering moreover, the size of protruding volume is relevant with the drive wheel width, and the size of protruding volume is about 0.25 ~ 0.3 times drive wheel width.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a finishing device for a horizontal roll shaft of a universal rolling mill of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic view of the structure of the lathe and the roll shaft of the present invention in an assembled state;

fig. 4 is a schematic structural view of a belt grinding apparatus according to the present invention;

FIG. 5 is a front view of FIG. 4;

FIG. 6 is a rear view of FIG. 4;

fig. 7 is a schematic view of a base assembly structure of the middle abrasive belt grinding device of the present invention;

fig. 8 is a schematic structural view of a support frame of the middle abrasive belt grinding device of the present invention;

fig. 9 is a schematic view of a three-dimensional structure of the driving wheel of the present invention;

FIG. 10 is a longitudinal cross-sectional view of FIG. 9;

fig. 11 is a schematic structural view of a middle support wheel of the utility model.

In the figure: 1-turning machine; 2-a roll shaft; 3-supporting the plate; 4-a machine tool turret; 5-abrasive belt grinding device; 11-rotating shaft I; 12-a carriage; 31-a chute; 41-a turntable; 42-compression screw; 51-a base; 52-a motor; 53-a transmission wheel; 54-a support frame; 55-a support wheel; 56-abrasive band; 57-tensioning screws; 121-a guide rail; 511-chassis; 512-support plate I; 513-motor mount; 514-support plate II; 515-waist type groove; 516 tensioning the adjusting screw hole; 517-eye bolt hole; 531-bumps; 541-a scaffold; 542-card slot; 543-connecting block; 544-locating blocks; 545-bolt I; 551-rotating shaft II; 552-baffle ring; 553-supporting the tread.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

Example 1

The finishing device for the horizontal roller shaft of the universal rolling mill in the embodiment, as shown in fig. 1-3, includes a lathe 1, a rotating shaft i 11 is transversely provided in the middle of the inner side surface of the lathe 1, a roller shaft 2 is coaxially sleeved on the rotating shaft i 11, carriages 12 are symmetrically provided below the rotating shaft i 11 along the length direction thereof, and the end portions of the carriages 12 are fixedly mounted on the inner side surface of the lathe 1; a plate support 3 is installed above the sliding frame 12 in a matching mode, and a guide rail 121 is arranged in the middle of the upper surface of the sliding frame 12 along the length direction of the sliding frame; the lower surface of the plate support 3 is symmetrically provided with sliding grooves 31 corresponding to the guide rails 121, the sliding grooves 31 and the guide rails 121 can be clamped in an adaptive manner, the plate support 3 can slide left and right on the sliding frame 12 along the guide rails 121, so that the turning function is realized, the surface of the roller shaft 2 is ground by applying pressure on the abrasive belt 56, the contact pressure is relatively small, the metal allowance removed in unit time is small, and the plate support 3 can be arranged at different positions of the sliding frame 12 along the length direction of the sliding frame 12; a machine tool rotating tower 4 is fixedly installed at one end of the plate support 3, an abrasive belt grinding device 5 is detachably installed at the upper end of the machine tool rotating tower 4, and the abrasive belt grinding device 5 is installed on existing equipment such as a lathe and the like, so that turning instead of grinding is realized, the surface smoothness of the roll shaft 2 is improved, and the problems of high purchase cost of a grinding machine, large occupied area and the like can be solved.

In this embodiment, the abrasive belt grinding device 5 can perform cylindrical grinding on a horizontal lathe, perform inner and outer cylindrical grinding and end face grinding on a vertical lathe, and also can perform plane grinding on a gantry planer, and the mounting and clamping directions are different when the abrasive belt grinding device is used on various machine tools, so that the cost is effectively saved, and the purchase cost of the grinding machine is reduced.

Example 2

The basic structure of the finishing device for the horizontal roller shaft of the universal rolling mill is the same as that of the finishing device of the embodiment 1, and the finishing device is different and improved in that: as shown in fig. 4-6, the belt grinding device 5 comprises a base 51, the base 51 comprises a base frame 511, the base frame 511 is detachably connected with a turntable 41 on the upper part of the machine turret 4, and the relative position of the base 51 and the machine turret 4 is fixed by a compression screw 42; a support plate I512 is horizontally arranged at the upper part of the bottom frame 511, a motor support 513 is fixedly arranged on the support plate I512, and a motor 52 is fixedly arranged on the motor support 513; as shown in fig. 9-10, the output shaft of the motor 52 is externally connected with a transmission wheel 53 through a key, the outer surface of the transmission wheel 53 is provided with a protrusion 531, and the protrusion amount is calculated according to the following formula: f is (0.25-0.3) H, wherein f is the projection amount, H is the width of the driving wheel 53, and if the projection amount is smaller than the range in the test, the phenomena of unobvious centering and falling off of the abrasive belt 56 are caused; if the amount of the protrusion is larger than the range, the transmission effect is not good, and even the phenomenon of slipping and the like can be caused. The diameter of the driving wheel 53 is calculated according to the rotating speed of the motor 52 and the maximum linear speed of the abrasive belt: d is V60/n Pi, wherein D is the maximum outer diameter of the transmission wheel, V is the maximum linear speed of the abrasive belt, n is the rotation speed (revolution/minute) of the motor, Pi is a circumferential rate value, and the maximum linear speed is controlled at 40 m/s. The driving wheel 53 is a main part of the abrasive belt polishing device, is made of aluminum materials, is light in weight, not only transmits power and tensions the abrasive belt, but also has the function of controlling the abrasive belt 56 not to fall off in high-speed rotation, and is ensured by the protrusion amount of the outer surface of the driving wheel 53. A support plate II 514 is arranged on one side, close to the output shaft of the motor, of the support plate I512, a support frame 54 is fixedly mounted on the outer side of the support plate II 514, the support frame 54 comprises two groups of supports 541 which are arranged in parallel, each support 541 is of a V-shaped structure, a clamping groove 542 is transversely formed in the outer end of each support 541, and a rotating shaft II 551 extending out of the end of the support wheel 55 can be clamped in the clamping groove 542 and fixed through a nut, so that the support wheel 55 is fixed on the support frame 54, and the support wheel 55 can rotate around the rotating shaft II 551; as shown in fig. 11, two ends of the supporting wheel 55 are coaxially provided with a baffle ring 552, a wheel surface 553 of the supporting wheel between the baffle rings 552 is wound with the abrasive belt 56, the outer diameter of the baffle ring 552 is larger than the outer diameter of the wheel surface 553 of the supporting wheel, the baffle ring 552 plays a centering and guiding role on the transmitted abrasive belt 56, and further plays a role in preventing belt dropping, and the supporting wheel 55 is in transmission connection with the transmission wheel 53 through the abrasive belt 56;

when the grinding machine works, the bottom frame 511 is arranged at the position where a tool rest of the machine tool is placed, the motor 52 drives the transmission wheel 53 to rotate, the abrasive belt 56 drives the supporting wheel 55 to rotate, the machine tool drives the roller shaft 2 to rotate, the rotating direction of the abrasive belt 56 is opposite to that of the roller shaft 2, and the abrasive belt 56 is in uniform contact with a workpiece to grind. Compared with the wheel-pressing type abrasive belt grinding, the wheel-pressing type grinding method uses the contact wheel to apply pressure on the surface of a workpiece for grinding, and the grinding mode has large contact pressure, large metal removal amount in unit time and high efficiency; the belt pressing type grinding method is to grind the surface of a workpiece by pressing with an abrasive belt, the contact pressure is relatively small, and the metal allowance removed in unit time is small.

In this embodiment, abrasive belt 56 is formed by applying sand to a substrate using both gravity and electrostatic methods. The range of the abrasive belt grinding is much wider than that of a grinding wheel grinder, and all large planes which cannot be ground by the grinding wheel grinder and materials which are difficult to process, such as various thick, medium and thin steel plates and stainless steel titanium alloy plates, can be ground; it can also be used for grinding various non-metal materials, large-sized rollers and shaft parts.

Example 3

The basic structure of the finishing device for the horizontal roller shaft of the universal rolling mill in the embodiment is the same as that of the embodiment 2, and the difference and the improvement are that: as shown in fig. 7, a waist-shaped groove 515 is transversely formed in the support plate ii 514, an included angle between the waist-shaped groove 515 and a horizontal plane is 10-15 degrees, so that the support frame 54 can horizontally move left and right along the waist-shaped groove 515, the support frame 54 is fixedly mounted on the outer side of the support plate ii 514 through the waist-shaped groove 515 and a bolt i 545, and the tightness degree of the abrasive belt 56 is adjusted by moving the support frame 54; as shown in fig. 8, the two brackets 541 are fixedly connected through a connecting block 543, the outer end of the connecting block 543 is detachably connected with a positioning block 544 through a bolt i 545, and the positioning block 544 is disposed between the supporting frame 54 and the supporting plate ii 514; a tension adjusting screw hole 516 is transversely formed in the support plate II 514, a tension screw 57 is coaxially arranged in the tension adjusting screw hole 516, and the end part of the tension screw 57 is in contact with the outer surface of the connecting block 543 to press the support frame 54, so that the longitudinal feeding amount is controlled.

Example 4

The basic structure of the finishing device for the horizontal roller shaft of the universal rolling mill of the embodiment is the same as that of the embodiment 3, and the difference and the improvement are that: as shown in fig. 7, the support plate i 512 is also vertically and symmetrically provided with lifting ring bolt holes 517 for lifting the whole belt grinding device 5.

Example 5

The basic structure of the finishing method for the horizontal roller shaft of the universal rolling mill in the embodiment is the same as that of the embodiment 4, and the difference and the improvement are that: as shown in fig. 1-3, comprising the steps of:

step one, installing a manufactured tool: after the roll shaft 2 is finished in finish turning, removing a turning tool, symmetrically mounting sliding frames 12 below the roll shaft 2 on the basis of an original lathe, installing a plate support 3 on the sliding frames 12 in an adaptive mode, and detachably mounting an abrasive belt grinding device 5 on a machine tool turret 4 at one end of the plate support 3;

step two, semi-fine grinding: the abrasive belt 56 of the abrasive belt grinding device 5 is made of corundum abrasive and has granularity GB 100-120 #, the position of the abrasive belt grinding device 5 is adjusted until the abrasive belt 56 is in contact with the roll shaft 2, and then the abrasive belt is fixed by the compression screw 42; starting a motor 52 to drive an abrasive belt 56, starting a machine tool part operating button, driving the plate support 3 to slide on the sliding frame 12 along the guide rail 121, and grinding by uniformly contacting the abrasive belt 56 and the roller shaft 2 by adopting a longitudinal feeding amount of 3-5 mm/r to remove turning marks so as to realize longitudinal feeding;

step three, fine grinding: the abrasive belt 56 is made of corundum abrasive, the granularity GB 180-GB 240, the bolt I545 is unscrewed, and for high-hardness and difficult-to-grind materials, the bolt I545 is fastened after the support frame 54 is translated to the direction close to the roller shaft 2 by 0.02-0.03 mm; for the grinding of common materials, after the support frame 54 is translated to the direction close to the roller shaft 2 by 0.03-0.05 mm, a bolt I545 is fastened, and finally a tensioning screw 57 is fastened, so that the abrasive belt 56 is tensioned and attached to the periphery of the roller shaft 2; when the grinding machine works, the motor 52 is started, the cooling liquid is poured to improve the surface quality of a workpiece, so that the grinding service life and the grinding efficiency of the abrasive belt 56 are correspondingly improved, meanwhile, the longitudinal feeding amount of 1-3 mm/r is adopted for fine grinding, and the linear speed is controlled to be 30-40 m/s due to the fact that the strength of the abrasive belt 56 is limited, so that the roughness requirement is met.

In the embodiment, a force is required to be given to the workpiece to grind in the belt grinding, the given force is called grinding pressure or contact force, the magnitude of the contact force is determined by the grinding depth and the surface quality of the ground workpiece, the grinding pressure is larger when the grinding is deeper, the surface roughness value is larger, and the maximum grinding allowance left after metal cutting is about 0.10 mm. During rough grinding, a coarse-grained abrasive belt 56 is adopted, and large longitudinal feeding and large grinding pressure are used, but the surface roughness value of a ground workpiece is large; when in fine grinding, the fine-grained abrasive belt 56, smaller longitudinal feeding amount and smaller grinding pressure are needed, so that the surface roughness value of the ground workpiece is smaller.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a universal mill horizontal roller finishing processingequipment, includes lathe (1), the middle part of lathe (1) medial surface transversely is provided with pivot I (11), coaxial roll axle (2), its characterized in that have cup jointed on pivot I (11): sliding frames (12) are symmetrically arranged below the rotating shaft I (11) along the length direction of the rotating shaft I, and the end parts of the sliding frames (12) are fixedly arranged on the inner side surface of the lathe (1); a plate support (3) is fittingly installed above the sliding frame (12), and the plate support (3) can be arranged at different positions of the sliding frame (12) along the length direction of the sliding frame (12); and a machine tool turret (4) is fixedly mounted at one end of the plate support (3), and an abrasive belt grinding device (5) is detachably mounted at the upper end of the machine tool turret (4).

2. The finishing device for the horizontal roller shaft of the universal rolling mill as claimed in claim 1, wherein: the abrasive belt grinding device (5) comprises a base (51), wherein the base (51) is detachably arranged on a rotary table (41) at the upper part of a machine tool turret (4), and the relative position of the base (51) and the machine tool turret (4) is fixed through a compression screw (42).

3. The finishing device for the horizontal roller shaft of the universal rolling mill as claimed in claim 2, wherein: base (51) include chassis (511), chassis (511) can be dismantled with revolving stage (41) and be connected, the upper portion horizontal installation of chassis (511) has backup pad I (512), fixed mounting has motor support (513) on backup pad I (512), fixed mounting has motor (52) on motor support (513), motor (52) are external through the motor output shaft and have drive wheel (53), the surface of drive wheel (53) is provided with arch (531), and the size of the arch volume is calculated according to following formula:

f＝(0.25～0.3)H，

wherein f is the projection amount, and H is the width of the driving wheel (53);

the diameter of the driving wheel (53) is calculated according to the rotating speed of the motor (52) and the maximum linear speed of the abrasive belt:

D＝V*60/n*Pi，

in the formula, D is the maximum outer diameter of the driving wheel, V is the maximum linear velocity of the abrasive belt, n is the rotating speed of the motor, and Pi is a circumferential rate value.

4. The finishing device for the horizontal roller shaft of the universal rolling mill as claimed in claim 3, wherein: one side, close to the motor output shaft, of the support plate I (512) is provided with a support plate II (514), a waist-shaped groove (515) is transversely formed in the support plate II (514), an included angle between the waist-shaped groove and the horizontal plane is 10-15 degrees, and a support frame (54) is fixedly mounted on the outer side of the support plate II (514) through the waist-shaped groove (515) in cooperation with the bolt I (545).

5. The finishing device for the horizontal roller shaft of the universal rolling mill as claimed in claim 4, wherein: the supporting frame (54) comprises two groups of supports (541) which are arranged in parallel, the supports (541) are of V-shaped structures, clamping grooves (542) are transversely formed in the outer ends of the supports (541), supporting wheels (55) are clamped in the clamping grooves (542) through a rotating shaft II (551) and are fixed through nuts; two ends of the supporting wheel (55) are coaxially provided with baffle rings (552), an abrasive belt (56) is wound on a wheel surface (553) of the supporting wheel between the two baffle rings (552), the supporting wheel (55) is in transmission connection with a transmission wheel (53) through the abrasive belt (56), and the outer diameter of the baffle rings (552) is larger than that of the wheel surface (553) of the supporting wheel.

6. The finishing device for the horizontal roller shaft of the universal rolling mill as claimed in claim 5, wherein: the two brackets (541) are fixedly connected through a connecting block (543); the outer end of the connecting block (543) is detachably connected with a positioning block (544) through a bolt I (545), and the positioning block (544) is arranged between the supporting frame (54) and the supporting plate II (514); a tensioning adjusting screw hole (516) is transversely formed in the support plate II (514), a tensioning screw (57) is coaxially arranged in the tensioning adjusting screw hole (516), and the end part of the tensioning screw (57) is in contact with the outer surface of the connecting block (543).

7. The finishing device for the horizontal roller shaft of the universal rolling mill as claimed in claim 6, wherein: a guide rail (121) is arranged in the middle of the upper surface of the sliding frame (12) along the length direction of the sliding frame; the sliding grooves (31) are symmetrically formed in the positions, corresponding to the guide rails (121), of the lower surface of the plate support (3), the sliding grooves (31) and the guide rails (121) can be clamped in an adaptive mode, and the plate support (3) can slide on the sliding frame (12) along the guide rails (121) in the left and right directions.

8. The finishing device for the horizontal roller shaft of the universal rolling mill as claimed in claim 7, wherein: and hoisting ring bolt holes (517) are also vertically and symmetrically formed in the support plate I (512).