Eccentric shaft machining equipment of precision forging machine

Abstract

The utility model discloses precision forging machine eccentric shaft machining equipment in the related technical field of eccentric shaft machining, which comprises a stable matching lantern ring and a compression matching plate, an eccentric shaft main body is clamped between a chuck and a tailstock of a horizontal lathe, the stable matching lantern ring is arranged on the outer side of a middle square section of the eccentric shaft main body, and the compression matching plate is arranged on the outer side of the middle square section of the eccentric shaft main body. Four lantern ring fixing studs are evenly distributed on the stable matching lantern ring in the circumferential direction in a square mode. When the two ends of the eccentric shaft are turned, the stable matching lantern ring is arranged on the outer side of the middle square section, the stable matching lantern ring is adjusted to be coaxial with the two end shafts, the center frame is matched to rotationally support the middle position of the stable matching lantern ring, and the stability of the eccentric shaft in the turning process can be effectively improved; and therefore, the turning rotating speed is increased, the turning surface quality is improved, the polishing treatment procedure is reduced or omitted, and the production quality and the production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to eccentric shaft machining related technical field, concretely relates to a precision forging machine eccentric shaft machining equipment. BACKGROUND

[0002] Precision forging machine is a kind of quick precision forging press equipment, mainly for the high frequency forging of metal blank. It is by several symmetrical hammer head to metal blank short-stroke pressure processing, with the characteristics of high frequency forging. Precision forging machine eccentric shaft refers to a key component in precision forging machine, mainly for forging various shaped shafts, the main function of precision forging machine eccentric shaft is to drive the slider reciprocating motion through its rotary motion, thereby driving hammer head to carry out forging operation. Precision forging machine eccentric shaft is due to the particularity of structure, middle is U-shaped structure, when turning, the center stand cannot be erected, and the counterweight is assembled on the eccentric shaft to realize the stable rotation of the eccentric shaft. Because the eccentric shaft is heavy, in order to ensure the safety and stability of machining, the speed is usually low when turning the shaft diameter at both ends, which leads to large roughness of shaft diameter machining, and subsequent polishing treatment is needed, and the product quality is unstable.

[0003] Therefore, the utility model is provided. CONTENT OF UTILITY MODEL

[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and provide a precision forging machine eccentric shaft machining equipment. To solve the above technical problems, the basic concept of the technical scheme of the utility model is:

[0005] A precision forging machine eccentric shaft machining equipment, including stable cooperation ring and compression fitting plate, chuck and tailstock between horizontal lathe are clamped with eccentric shaft main body, the outer side of the middle square section of eccentric shaft main body is equipped with stable cooperation ring, four ring fixed studs are evenly distributed on the circumferential square of stable cooperation ring, the end position of ring fixed stud inside stable cooperation ring is connected with compression fitting plate, one end of ring fixed stud outside stable cooperation ring is equipped with lock nut, one side of the square section in the middle of eccentric shaft main body is provided with open slot, corresponding compression fitting plate on open slot is provided with counterweight, counterweight is fixedly connected with corresponding compression fitting plate through counterweight mounting stud and counterweight locking nut, the middle position of the outer side of stable cooperation ring is provided with center stand main body, the lower side of center stand main body is provided with movable support base plate, movable support base plate is slidably connected and installed on the movable slide rail of horizontal lathe, which is convenient for adjusting the position of center stand main body.

[0006] As a further scheme of the utility model: the chuck is installed at the side of the lathe main machine box, the mobile sliding rail is arranged on the main machine bed platform, the side of the main machine bed platform is provided with a transmission screw rod and a guide rod, a mobile seat is arranged on the transmission screw rod and the guide rod, a tool rest structure of the horizontal lathe is arranged on the mobile seat, it is a general device matched with the horizontal lathe, not shown in the drawing.

[0007] As a further scheme of the utility model: the tailstock is provided with a sliding plate structure matched with the mobile sliding rail below, the center rest main body is provided with a center rest adjusting screw and a center rest locking screw, the center rest adjusting screw is used for adjusting the center of the stable matching collar, and the coaxiality with the eccentric shaft main body two end shafts is ensured.

[0008] As a further scheme of the utility model: the stable matching collar is provided with a matching table top at the positions corresponding to the four side faces of the eccentric shaft main body, the matching table top is parallel with the corresponding pressing matching plate, the matching table top position is provided with the collar fixing stud through threaded connection, and the relative position of the stable matching collar is adjusted and locked.

[0009] As a further scheme of the utility model: the outer side of the pressing matching plate is provided with a rotating matching seat, one end of the collar fixing stud is rotationally connected with the rotating matching seat, and the rotating matching seat and the pressing matching plate position are moved through the rotation of the collar fixing stud.

[0010] As a further scheme of the utility model: the pressing matching plate where the counterweight block is installed is processed with a fixed mounting hole, a counterweight mounting stud is arranged in the fixed mounting hole, a counterweight locking nut is mounted at the outer end of the counterweight mounting stud, and the counterweight locking nut and the counterweight mounting stud are arranged, so that counterweight adjustment is facilitated.

[0011] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art.

[0012] When the eccentric shaft is subjected to turning processing at both ends, the stable matching collar is arranged outside the square section in the middle, the stable matching collar is adjusted to the coaxial state with the two end shafts, the center rest supports the middle position of the stable matching collar in rotation, the stability of the eccentric shaft turning processing process can be effectively improved, the turning processing speed is further improved, the turning surface quality is improved, the polishing process is reduced or omitted, and the production quality and production efficiency are improved.

[0013] The utility model discloses an eccentric shaft's open slot position's compression fit plate is provided with counterweight block, and counterweight block can be adjusted through counterweight mounting stud and counterweight locking nut, can be adapted to various models eccentric shaft turning processing in the adjustment range of stable cooperation with the ring, simple and practical structure.

[0014] The utility model discloses an eccentric shaft's open slot position's compression fit plate is provided with counterweight block, and counterweight block can be adjusted through counterweight mounting stud and counterweight locking nut, can be adapted to various models eccentric shaft turning processing in the adjustment range of stable cooperation with the ring, simple and practical structure. ACCOMPA

[0015] The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, and shall not constitute improper limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0016] Fig. 1 It is the structural schematic diagram of the utility model;

[0017] Fig. 2 It is the front view of the utility model;

[0018] Fig. 3 It is the side view of the utility model in stable cooperation with the ring use state;

[0019] Fig. 4 It is the main sectional view of the utility model.

[0020] In the drawings: 1, lathe main machine box;2, chuck;3, mobile slide rail;4, transmission screw;5, guide rod;6, mobile seat;7, tailstock;8, center frame main body;9, mobile support bottom plate;10, stable cooperation with the ring;11, ring fixed stud;12, locking nut;13, cooperation mesa;14, rotation cooperation seat;15, compression fit plate;16, main machine bed platform;17, center frame locking screw;18, center frame adjusting screw;19, eccentric shaft main body;20, open slot;21, counterweight block;22, counterweight mounting stud;23, counterweight locking nut;24, fixed mounting hole.

[0021] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model but not to limit the scope of the utility model.

[0023] As shown in the figure, Figs. 1 to 4 A kind of eccentric shaft machining equipment of precision forging machine, stable fitting collar 10 and pressing fitting plate 15, chuck 2 between tailstock 7 of horizontal lathe is clamped with eccentric shaft body 19, stable fitting collar 10 is installed on the outside of the middle square section of eccentric shaft body 19, four sleeve ring fixing studs 11 are evenly distributed along the circumference square of stable fitting collar 10, the end position of sleeve ring fixing stud 11 at the inside of stable fitting collar 10 is connected with pressing fitting plate 15, locking nut 12 is installed at one end of sleeve ring fixing stud 11 at the outside of stable fitting collar 10, open slot 20 is arranged on one side of the square section in the middle of eccentric shaft body 19, counterweight block 21 is arranged on corresponding pressing fitting plate 15, counterweight block 21 is fixedly connected with corresponding pressing fitting plate 15 by counterweight mounting stud 22 and counterweight locking nut 23, center rest body 8 is arranged at the middle position of the outside of stable fitting collar 10, moving support base plate 9 is arranged below center rest body 8, moving support base plate 9 is slidably connected and installed on the moving slide rail 3 of horizontal lathe, so as to facilitate the adjustment of the position of center rest body 8.

[0024] Among them, chuck 2 is installed at the side of lathe main machine box 1, moving slide rail 3 is arranged on main machine bed platform 16, transmission screw 4 and guide rod 5 are arranged at the side of main machine bed platform 16, moving seat 6 is arranged on transmission screw 4 and guide rod 5, tool rest structure of horizontal lathe is arranged on moving seat 6, it is the general device matched with horizontal lathe, not shown in the drawing.

[0025] Tailstock 7 is arranged with slide plate structure matched with moving slide rail 3, center rest adjusting screw 18 and center rest locking screw 17 are arranged on center rest body 8, center rest adjusting screw 18 is used to adjust the center of stable fitting collar 10, to ensure that the two ends of eccentric shaft body 19 are coaxial with shaft.

[0026] Stable fitting collar 10 is arranged with cooperation mesa 13 at the position corresponding to the four sides of eccentric shaft body 19, cooperation mesa 13 is parallel to corresponding pressing fitting plate 15, sleeve ring fixing stud 11 is threadedly connected and installed at the position of cooperation mesa 13, to adjust and lock the relative position of stable fitting collar 10.

[0027] Pressing fitting plate 15 is arranged with rotating cooperation seat 14 at the outside, one end of sleeve ring fixing stud 11 is rotatably connected with rotating cooperation seat 14, the position of rotating cooperation seat 14 and pressing fitting plate 15 is moved by the rotation of sleeve ring fixing stud 11.

[0028] The pressing fit plate 15 provided with the counterweight 21 is provided with a fixed mounting hole 24, a counterweight mounting stud 22 is arranged in the fixed mounting hole 24, and a counterweight locking nut 23 is arranged at the outer end of the counterweight mounting stud 22.

[0029] The working principle of the utility model is: when the eccentric shaft of the precision forging machine is turned, first, the stable fit collar 10 is sleeved and arranged in the middle square section of the eccentric shaft body 19, the pressing fit plate 15 provided with the counterweight 21 is located at one side of the open groove 20, the coaxiality of the stable fit collar 10 and the two ends of the eccentric shaft body 19 is determined by marking and aligning, the adjustment is carried out by adjusting the collar fixing stud 11 in the process, the locking nut 12 is used for locking the adjustment state, the counterweight 21 is adjusted by dynamic balance test;

[0030] When the balance deviation is more, other specifications of the counterweight 21 can be replaced, when the balance deviation is less, a counterweight gasket can be arranged between the counterweight locking nut 23 and the pressing fit plate 15 to realize fine adjustment, ensure that the eccentric shaft body 19 is in a balanced state during rotation, and then ensure the turning machining quality, the outer side of the stable fit collar 10 is effectively supported by the erected center frame body 8 after adjustment, the stability of the eccentric shaft body 19 during turning is effectively improved by arranging the center frame body 8 at the middle position of the eccentric shaft body 19, and then the turning speed is improved, and proper speed can effectively improve machining efficiency and machining surface quality, avoid too slow lathe speed and insufficient turning cutting force, avoid the conditions that the machining surface is not smooth or burrs appear, effectively improve surface turning quality, and reduce or eliminate subsequent polishing treatment;

[0031] The utility model is based on the existing horizontal lathe, the turning machining process of the eccentric shaft is optimized by arranging the auxiliary device, and the basic structure of the horizontal lathe is not completely shown in the drawings;

[0032] The utility model has the advantages of reasonable structure, convenient installation and use, and the following advantages are realized: when the eccentric shaft is turned at both ends, the stable fit collar 10 is arranged outside the middle square section, the stable fit collar 10 is adjusted to the coaxial state with both ends of the shaft, the middle position of the stable fit collar 10 is rotationally supported by the center frame, the stability of the eccentric shaft turning process is effectively improved, then the turning machining speed is improved, the turning surface quality is improved, the polishing treatment process is reduced or eliminated, the production quality and production efficiency are improved, the counterweight 21 is arranged on the pressing fit plate 15 at the position of the open groove 20 of the eccentric shaft, the counterweight 21 can be adjusted through the counterweight mounting stud 22 and the counterweight locking nut 23, a plurality of types of eccentric shafts can be matched in the adjustment range of the stable fit collar 10, and the structure is simple and practical.

[0033] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A machining device for an eccentric shaft of a swager, which stably fits a collar (10) and a press-fit plate (15), characterized in that, The chuck (2) and tailstock (7) of the horizontal lathe are clamped with eccentric shaft body (19), the middle square section outside of the eccentric shaft body (19) is installed with the stable matching sleeve ring (10), the stable matching sleeve ring (10) is evenly distributed with four sleeve ring fixed studs (11) along the circumferential square, the end of the sleeve ring fixed stud (11) located inside the stable matching sleeve ring (10) is connected with the pressing matching plate (15), the end of the sleeve ring fixed stud (11) located outside the stable matching sleeve ring (10) is installed with the locking nut (12), the side of the square section in the middle of the eccentric shaft body (19) is provided with the open slot (20), the corresponding pressing matching plate (15) is provided with the counterweight block (21), the counterweight block (21) is fixedly connected with the corresponding pressing matching plate (15) through the counterweight mounting stud (22) and the counterweight locking nut (23), the middle position of the outside of the stable matching sleeve ring (10) is provided with the center frame body (8), the lower side of the center frame body (8) is provided with the moving support bottom plate (9), the moving support bottom plate (9) is slidingly connected and installed on the moving slide rail (3) of the horizontal lathe.

2. The precision forging machine eccentric shaft machining apparatus according to claim 1, characterized by, The chuck (2) is installed on the side of the lathe main machine box (1), the moving slide rail (3) is arranged on the main machine bed platform (16), the side of the main machine bed platform (16) is provided with a transmission screw (4) and a guide rod (5), the transmission screw (4) and the guide rod (5) are provided with a moving seat (6).

3. The precision forging machine eccentric shaft machining apparatus according to claim 2, characterized by, The lower side of the tailstock (7) is provided with a slide plate structure matched with the moving slide rail (3), the center frame body (8) is provided with a center frame adjusting screw (18) and a center frame locking screw (17).

4. The precision forging machine eccentric shaft machining apparatus according to claim 3, characterized by, The stable matching sleeve ring (10) is provided with a matching table (13) at the position corresponding to the four sides of the eccentric shaft body (19), the matching table (13) is parallel to the corresponding pressing matching plate (15), and the matching table (13) is provided with the sleeve ring fixed stud (11) through threaded connection.

5. The precision forging machine eccentric shaft machining apparatus according to claim 4, characterized by, The outer side of the pressing matching plate (15) is provided with a rotating matching seat (14), and one end of the sleeve ring fixed stud (11) is rotatably connected with the rotating matching seat (14).

6. A precision forging machine eccentric shaft machining apparatus according to claim 5, wherein, The pressing matching plate (15) on which the counterweight block (21) is installed is processed with a fixed mounting hole (24), the fixed mounting hole (24) is provided with a counterweight mounting stud (22), and the outer end of the counterweight mounting stud (22) is provided with a counterweight locking nut (23).

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