阅读说明：本技术 一种滚轮外圆连续化磨削装置及其使用方法 (Roller excircle continuous grinding device and using method thereof ) 是由 冯清华 库祥臣 周廷栋 冯树云 杨登斌 于 2020-07-22 设计创作，主要内容包括：本发明公开了一种滚轮外圆连续化磨削装置及其使用方法,包括圆盘上料机、进料通道、传输机构、无心磨床及托料板；所述进料通道倾斜设置,其较高一端设于圆盘上料机的出料口处；所述传输机构设于圆盘下料机与无心磨床之间,其包括机架与两个托辊,托辊并列转动连接于机架上,进料通道的较低一端延伸至托辊的端部；所述无心磨床上并列设有两个砂轮,两个托料板固接于两个砂轮之间的无心磨床上,且托料板的一端延伸至托辊的端部,另一端延伸至无心磨床外侧并连接有向下倾斜的下料通道,托料板上方的无心磨床上设有切削液喷淋机构。本发明实现了滚轮外圆连续化、不间断的磨削加工,从而极大的提高了生产效率。(The invention discloses a roller excircle continuous grinding device and a using method thereof, wherein the roller excircle continuous grinding device comprises a disc feeding machine, a feeding channel, a transmission mechanism, a centerless grinding machine and a retainer plate; the feeding channel is obliquely arranged, and the higher end of the feeding channel is arranged at the discharge port of the disc feeder; the conveying mechanism is arranged between the disc blanking machine and the centerless grinding machine and comprises a rack and two carrier rollers, the carrier rollers are connected to the rack in parallel in a rotating mode, and the lower end of the feeding channel extends to the end portion of the carrier roller; the centerless grinder is characterized in that two grinding wheels are arranged on the centerless grinder in parallel, two material supporting plates are fixedly connected to the centerless grinder between the two grinding wheels, one end of each material supporting plate extends to the end part of the carrier roller, the other end of each material supporting plate extends to the outer side of the centerless grinder and is connected with a downward-inclined blanking channel, and a cutting fluid spraying mechanism is arranged on the centerless grinder above the material supporting plates. The invention realizes the continuous and uninterrupted grinding processing of the excircle of the roller, thereby greatly improving the production efficiency.)

1. The utility model provides a gyro wheel excircle serialization grinding device which characterized in that: comprises a disc feeding machine (1), a feeding channel (2), a transmission mechanism (3), a centerless grinding machine (4) and a material supporting plate (5); the feeding channel (2) is obliquely arranged, and the higher end of the feeding channel is arranged at the discharge port of the disc feeder (1); the conveying mechanism (3) is arranged between the disc blanking machine and the centerless grinding machine (4) and comprises a rack (301) and two carrier rollers (302), the carrier rollers (302) are connected to the rack (301) in a parallel rotating mode, and the lower end of the feeding channel (2) extends to the end portion of the carrier rollers (302); the grinding machine is characterized in that two grinding wheels (401) are arranged on the centerless grinding machine (4) in parallel, two material supporting plates (5) are fixedly connected to the centerless grinding machine (4) between the two grinding wheels (401), one ends of the material supporting plates (5) extend to the end part of the carrier roller (302), the other ends of the material supporting plates extend to the outer side of the centerless grinding machine (4) and are connected with a downward-inclined blanking channel (7), and a cutting fluid spraying mechanism (6) is arranged on the centerless grinding machine (4) above the material supporting plates (5).

2. The roller outer circle continuous grinding device according to claim 1, wherein: the longitudinal section of the feeding channel (2) is V-shaped, the bottom of the feeding channel is fixedly connected with a support rod (201), and the other end of the support rod (201) is fixedly connected with the disc feeder (1); the utility model discloses a feed inlet, including bracing piece (201), bracing piece (201) top rigid coupling have U type frame (202), the blind end of U type frame (202) is located the top of feedstock channel (2) and is equipped with vertical screw hole, is equipped with stop bolt (203) in the screw hole.

3. The roller outer circle continuous grinding device according to claim 2, wherein: one end of the carrier roller (302) is rotatably connected to the supporting seat (303) through a bearing, the other end of the carrier roller is arranged in the annular groove and is arranged on the arc-shaped supporting plate (304), and the end, close to the disc feeder (1), of the carrier roller (302) is step-shaped; a circular ring (305) for material passing is placed on two small arc surfaces at the step of the carrier roller (302), and the lower end of the feeding channel (2) is positioned at the end part of the circular ring (305); a first support (306) is fixedly connected to the rack (301) at the side of the circular ring (305), a long waist-shaped hole is formed above the first support (306), a first cross rod (307) is connected to the long waist-shaped hole, and the first cross rod (307) can move up and down along the long waist-shaped hole; the front end of the first cross rod (307) is rotatably connected with a pressing wheel (308), and the pressing wheel (308) is in contact with the top end of the circular ring (305).

4. The roller outer circle continuous grinding device according to claim 3, wherein: an L-shaped second support (309) is fixedly connected to the rack (301), a roller seat (310) is fixedly connected to the top end of the second support (309), a pressing roller (311) is rotatably connected to the bottom of the roller seat (310), and the pressing roller (311) is located above the space between the two carrier rollers (302); a third support (312) is fixedly connected to the frame (301) between the first support (306) and the second support (309), a long waist-shaped hole is formed in the upper portion of the third support (312), a second cross rod (313) is connected to the long waist-shaped hole, a limiting rod A (314) is fixedly connected to the bottom end of the second cross rod (313), and the limiting rod A (314) is located above the carrier roller (302) between the pressing roller (308) and the pressing roller (311).

5. The roller outer circle continuous grinding device according to claim 4, wherein: two transition plates (315) in an arc shape are further arranged between the material supporting plate (5) and the carrier roller (302), and the two transition plates (315) are fixedly connected to the frame (301) and are arranged in a back-to-back manner to form a material supporting groove for material passing; the transition plate is characterized in that an L-shaped fourth support (316) is fixedly connected to the frame (301) on the side portion of the transition plate (315), a third cross rod (317) is fixedly connected to the top end of the fourth support (316), long waist-shaped holes are formed in the two vertical rods (318) and connected to the two ends of the third cross rod (317), a limiting rod B (319) is fixedly connected to the bottom of each vertical rod (318), and the limiting rod B (319) is located above the material supporting plate (5) and the carrier roller (302).

6. The roller outer circle continuous grinding device according to claim 1, wherein: the cutting fluid spraying mechanism (6) comprises a fluid inlet pipe (601) and a spray header (602); the liquid inlet pipe (601) is fixedly connected to the centerless grinding machine (4) through a pipe clamp, and the other end of the liquid inlet pipe is fixedly connected to the spray header (602); the end face of the spray header (602) is in a water drop shape with a large upper part and a small lower part, and a liquid outlet (603) is arranged at the bottom of the spray header.

7. The roller outer circle continuous grinding device according to claim 1, wherein: the length dimension of a liquid outlet (603) of the spray header (602) is not less than the thickness dimension of the grinding wheel (401).

8. The roller outer circle continuous grinding device according to claim 3, wherein: the end part of the carrier roller (302) is connected with a driving device, and a spiral convex line (321) is arranged on the large arc surface of the carrier roller (302).

9. The roller outer circle continuous grinding device according to claim 8, wherein: the driving device is a speed reducing motor (320), an output shaft of the speed reducing motor (320) is connected with the carrier roller (302) through a coupler, and the speed reducing motor (320) is fixedly connected to the supporting seat (303).

10. The use method of the roller outer circle continuous grinding device according to any one of claims 1 to 9 is characterized by comprising the following specific steps:

firstly, starting a disc feeding machine (1) and a centerless grinding machine (4), pouring rollers (9) into the disc feeding machine (1), and arranging the rollers (9) in order by the disc feeding machine (1) and sliding the rollers into a circular ring (305) from a feeding channel (2);

secondly, under the pushing of the roller (9) at the rear part of the roller (9), the roller (9) in the circular ring (305) moves to the position above the two carrier rollers (302), the motor drives the carrier rollers (302) to rotate, and the carrier rollers (302) convey the roller (9) to the direction of the centerless grinding machine (4);

thirdly, under the limiting action of the limiting rod A (314), the pressing roller (311) and the limiting rod B (319), the roller (9) moves on the carrier roller (302), the transition plate (315) and the material supporting plate (5) in sequence and is not easy to warp or fall;

and fourthly, when the roller (9) moves between the two grinding wheels (401), the grinding wheels (401) grind the outer circular surfaces of the rollers, and the processed rollers (9) are pushed by the rear rollers (9) to fall into the material box (8) through the material discharging channel (7).

Technical Field

The invention relates to the field of machining equipment, in particular to a roller excircle continuous grinding device and a using method thereof.

Background

The roller tappet is an important part in a high-pressure fuel system of a direct injection engine, is arranged between a high-pressure oil pump and a driving cam lobe, and changes the rotation motion of a cam into the reciprocating motion of the high-pressure oil pump. Because modern new diesel engines need higher fuel injection pressure to meet the requirements of dynamic performance, fuel economy and emission indexes, the plungers are required to provide larger thrust, so that the loads of the rollers and the cams are increased, and the requirements on the dimensional accuracy of the rollers and the cams are also high.

In the prior art, the outer circle of the roller is ground by a grinding machine as shown in fig. 7. During processing, the roller is clamped on a clamp and then ground through a grinding wheel; after machining, the roller needs to be detached from the jig. Therefore, the time and labor are consumed for clamping the workpiece, and particularly, the production efficiency is greatly influenced during batch production.

Therefore, it is necessary to develop a roller outer circle continuous grinding device and a method for using the same to solve the above problems.

Disclosure of Invention

The invention aims to provide a roller outer circle continuous grinding device and a using method thereof, which realize continuous and uninterrupted grinding processing of the roller outer circle, thereby greatly improving the production efficiency and solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a continuous grinding device for the excircle of a roller comprises a disc feeding machine, a feeding channel, a transmission mechanism, a centerless grinding machine and a retainer plate; the feeding channel is obliquely arranged, and the higher end of the feeding channel is arranged at the discharge port of the disc feeder; the conveying mechanism is arranged between the disc blanking machine and the centerless grinding machine and comprises a rack and two carrier rollers, the carrier rollers are connected to the rack in parallel in a rotating mode, and the lower end of the feeding channel extends to the end portion of the carrier roller; the centerless grinder is characterized in that two grinding wheels are arranged on the centerless grinder in parallel, two material supporting plates are fixedly connected to the centerless grinder between the two grinding wheels, one end of each material supporting plate extends to the end part of the carrier roller, the other end of each material supporting plate extends to the outer side of the centerless grinder and is connected with a downward-inclined blanking channel, and a cutting fluid spraying mechanism is arranged on the centerless grinder above the material supporting plates.

The invention has the further improvement scheme that the longitudinal section of the feeding channel is V-shaped, the bottom of the feeding channel is fixedly connected with a supporting rod, and the other end of the supporting rod is fixedly connected with a disc feeding machine; the utility model discloses a feed inlet, including bracing piece, blind end, feed channel, the bracing piece top rigid coupling has U type frame, and the blind end of U type frame is located feed channel's top and is equipped with vertical screw hole, is equipped with spacing bolt in the screw hole.

The invention has the further improvement scheme that one end of the carrier roller is rotatably connected to the supporting seat through a bearing, the other end of the carrier roller is arranged in the annular groove and is arranged on the arc-shaped supporting plate, and the end, close to the disc feeder, of the carrier roller is in a step shape; a circular ring for passing materials is placed on the two small arc surfaces at the step of the carrier roller, and the lower end of the feeding channel is positioned at the end part of the circular ring; a first support is fixedly connected to the rack on the side of the circular ring, a long waist-shaped hole is formed above the first support, a first cross rod is connected to the long waist-shaped hole, and the first cross rod can move up and down along the long waist-shaped hole; the front end of the first cross rod is rotatably connected with a pressing wheel, and the pressing wheel is in contact with the top end of the circular ring.

The improved scheme of the invention is that an L-shaped second support is fixedly connected to the frame, a roller seat is fixedly connected to the top end of the second support, a press roller is rotatably connected to the bottom of the roller seat, and the press roller is positioned above the space between the two carrier rollers; a third support is fixedly connected to the rack between the first support and the second support, a long waist-shaped hole is formed in the upper portion of the third support, a second cross rod is connected to the long waist-shaped hole, a limiting rod A is fixedly connected to the bottom end of the second cross rod, and the limiting rod A is located above a carrier roller between the pressing roller and the pressing roller.

The invention has the further improvement scheme that two transition plates in an arc shape are arranged between the material supporting plate and the carrier roller, and the two transition plates are fixedly connected on the frame and are arranged back to form a material supporting groove for material passing; the frame of crossing the cab apron lateral part is gone up the rigid coupling and is had the fourth support of L type, and the top rigid coupling of fourth support has the third horizontal pole, is equipped with long waist type hole on two montants and connects in the both ends of third horizontal pole, and the bottom rigid coupling of montant has gag lever post B, and gag lever post B is located the top of holding in the palm flitch and bearing roller.

The further improvement scheme of the invention is that the cutting fluid spraying mechanism comprises a liquid inlet pipe and a spraying head; the liquid inlet pipe is fixedly connected to the centerless grinder through a pipe clamp, and the other end of the liquid inlet pipe is fixedly connected to the spray header; the end face of the spray header is in a water drop shape with a large upper part and a small lower part, and a liquid outlet is arranged at the bottom of the spray header.

The invention has the further improvement scheme that the length dimension of the liquid outlet of the spray header is not less than the thickness dimension of the grinding wheel.

The invention has the further improvement scheme that the end part of the carrier roller is connected with a driving device, and the large circular arc surface of the carrier roller is provided with spiral convex lines.

The invention has the further improvement scheme that the driving device is a speed reducing motor, an output shaft of the speed reducing motor is connected with the carrier roller through a coupler, and the speed reducing motor is fixedly connected to the supporting seat.

The specific application method of the invention is as follows:

firstly, starting a disc feeding machine and a centerless grinding machine, pouring rollers into the disc feeding machine, and arranging the rollers in order by the disc feeding machine and sliding the rollers into a circular ring from a feeding channel;

secondly, the idler wheels in the circular ring move to the positions above the two carrier rollers under the gravity pushing of the idler wheels at the rear part, the motor drives the carrier rollers to rotate, and the carrier rollers convey the idler wheels to the centerless grinding machine;

the idler wheels orderly move on the carrier roller, the transition plate and the retainer plate under the limiting action of the limiting rod A, the compression roller and the limiting rod B, and are not easy to warp or fall;

and fourthly, when the roller moves between the two grinding wheels, the grinding wheels grind the outer circular surfaces of the rollers, and the processed rollers fall into the material box through the discharging channel under the pushing of the rear rollers.

The invention has the beneficial effects that:

firstly, the roller excircle continuous grinding device and the use method thereof realize the continuous and uninterrupted grinding processing of the roller excircle, thereby greatly improving the production efficiency.

Secondly, according to the roller excircle continuous grinding device and the using method thereof, the limiting bolt is arranged above the supporting rod, and the limiting screw plays a role in stabilizing the roller in the falling process of the roller.

Thirdly, according to the roller excircle continuous grinding device and the using method thereof, the ring is added at the front end of the carrier roller, so that the roller is prevented from jumping out of the inherent track at the moment of the turning transmission of the roller from the feeding channel to the carrier roller.

Fourthly, under the limiting action of the limiting rod A, the compression roller and the limiting rod B, the roller orderly moves on the carrier roller, the transition plate and the material supporting plate and is not easy to warp or fall.

Fifthly, according to the roller excircle continuous grinding device and the using method thereof, two transition plates in an arc shape are arranged between the material supporting plate and the carrier roller, the two transition plates are fixedly connected to the frame and are arranged in a back-to-back manner to form a material supporting groove for material passing, and the problem that the roller at the annular groove at the end part of the carrier roller can be clamped is solved.

Sixthly, the roller excircle continuous grinding device and the using method thereof have the advantages that the end face of the spray head is in a water-drop shape with a large upper part and a small lower part, and the bottom of the spray head is provided with a liquid outlet, so that the flow of cutting liquid is ensured.

Seventh, according to the roller outer circle continuous grinding device and the use method thereof, the length dimension of the liquid outlet of the spray head is not less than the thickness dimension of the grinding wheel, and it can be ensured that all the grinding rollers can be covered by the cutting fluid.

Eighth, according to the roller outer circle continuous grinding device and the use method thereof, the end part of the carrier roller is connected with the driving device, and the large circular arc surface of the carrier roller is provided with the spiral convex line, so that the clamping stagnation phenomenon of the roller in the transmission process can be effectively prevented.

Drawings

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

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a top view taken along direction T in fig. 1.

Fig. 5 is a schematic structural view of the cutting fluid spraying mechanism in fig. 4 after installation.

Fig. 6 is a schematic view of a spray head structure according to the present invention.

Fig. 7 is a schematic structural view of the roller.

In the figure: 1-disc feeding machine, 2-feeding channel, 201-supporting rod, 202-U-shaped frame, 203-limit bolt, 3-transmission mechanism, 301-frame, 302-carrier roller, 303-supporting seat, 304-supporting plate, 305-ring, 306-first support, 307-first cross rod, 308-pressure roller, 309-second support, 310-roller seat, 311-pressure roller, 312-third support, 313-second cross rod, 314-limiting rod A, 315-transition plate, 316-fourth support, 317-third cross rod, 318-vertical rod, 319-limiting rod B, 320-speed reducing motor, 321-convex pattern, 4-centerless grinding machine, 401-grinding wheel, 5-material supporting plate, 6-cutting fluid spraying mechanism, 601-liquid inlet pipe, 602-spray header, 603-liquid outlet, 7-blanking channel, 8-material box and 9-roller.

Detailed Description

The invention is further elucidated with reference to the drawings and the embodiments.