CN216226761U

CN216226761U - Forging rotary table

Info

Publication number: CN216226761U
Application number: CN202122843870.3U
Authority: CN
Inventors: 蒙思全; 蒙昌辉
Original assignee: Chongqing Baoguang Machinery Manufacturing Co ltd
Current assignee: Chongqing Baoguang Machinery Manufacturing Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-08
Anticipated expiration: 2031-11-18

Abstract

The utility model belongs to the technical field of forging, and provides a forging rotary table which comprises a connecting table, a rotary assembly, a rotary worktable and a plurality of adjustable forging die supports; the rotating assembly comprises a planetary transmission gear box, a rotating motor and a four-point contact ball bearing, the planetary transmission gear box is fixedly arranged on the lower end face of the connecting table, the input end of the planetary transmission gear box is connected with the output shaft of the rotating motor, the four-point contact ball bearing is arranged on the output end of the planetary transmission gear box and penetrates through the connecting table, and the outer ring of the four-point contact ball bearing is fixedly connected with the connecting table; the rotary worktable is fixedly connected with the inner ring of the four-point contact ball bearing; the adjustable forging die supports are arranged on the upper end face of the rotary working table, and the plurality of adjustable forging die supports are detachably connected with the rotary working table. According to the utility model, the rotary worktable drives the plurality of adjustable forging die supports to rotate, and each adjustable forging die support rotates to a corresponding station, so that a corresponding process can be processed, and the time for carrying a forging blank is greatly saved.

Description

Forging rotary table

Technical Field

The utility model relates to the technical field of forging, in particular to a forging rotary table.

Background

Forging is a process of using forging machinery to apply pressure to a metal blank to make it plastically deform to obtain a forging with certain mechanical properties, certain shape and size. The defects of as-cast porosity and the like generated in the smelting process of metal can be eliminated through forging, the microstructure is optimized, and meanwhile, because the complete metal streamline is preserved, the mechanical property of the forging is generally superior to that of a casting made of the same material. Important parts with high load and severe working conditions in related machines are mainly forged pieces except for plates, sections or welding pieces which are simple in shape and can be rolled.

In the forging production process, different forging methods have different flows, wherein the hot die forging process flow is the longest, and the general sequence is as follows: the process comprises the steps of feeding, pre-forging, forming and demolding, wherein after one step is completed, a forging blank is clamped to the next step through a manipulator, and then the next step is carried out, so that the process is very troublesome and wastes time.

Disclosure of Invention

Aiming at the problems in the prior art, the technical problems to be solved by the utility model are as follows: the forging blank is clamped to the next procedure by the manipulator and then the next procedure is carried out, which is very troublesome and wastes time.

In order to solve the technical problems, the utility model adopts the following technical scheme: a forging turret comprising: the connecting table is horizontally arranged; the slewing assembly comprises a planetary transmission gear box, a slewing motor and a four-point contact ball bearing; the planetary transmission gear box is fixedly arranged on the lower end face of the connecting table, the input end of the planetary transmission gear box is connected with the output shaft of the rotary motor, the output end of the planetary transmission gear box is provided with a four-point contact ball bearing, the four-point contact ball bearing penetrates through the connecting table, and the outer ring of the four-point contact ball bearing is fixedly connected with the connecting table; the rotary worktable is arranged above the connecting table and is fixedly connected with the inner ring of the four-point contact ball bearing; and the adjustable forging die supports are arranged on the upper end surface of the rotary worktable, and the adjustable forging die supports are detachably connected with the rotary worktable.

According to the utility model, through the action of the rotary motor, the rotary motor drives the planetary transmission gear box to act, the output end of the planetary transmission gear box drives the inner ring of the four-point contact ball bearing to rotate, the inner ring of the four-point contact ball bearing and the rotary workbench fixedly connected with the inner ring of the four-point contact ball bearing rotate, so that the rotary workbench drives the plurality of adjustable forging die supports to rotate, each adjustable forging die support rotates to a corresponding station, a corresponding process can be processed, and the time for carrying a forging blank is greatly saved.

Preferably, the lifting structure is further included, and the lifting structure includes: the rack is arranged below the connecting table, and a cavity is formed in the rack; the four lifting assemblies each comprise a lead screw and a nut, the lead screw is arranged above the rack, the lower end of the lead screw extends into the cavity and is in sliding connection with the rack, the upper end of the lead screw is rotatably connected with the lower end of the connecting table, the nuts are sleeved on the lead screw, the nuts are connected with the lead screw through a ball nut pair, and the nuts are rotatably connected with the upper end surface of the rack; the transmission assembly comprises four first chain wheels, a chain, a second chain wheel and a lifting motor, the four first chain wheels are sleeved on the nut in a one-to-one correspondence manner, the four first chain wheels are all meshed with the chain, the second chain wheel is connected with an output shaft of the lifting motor, and the second chain wheel is meshed with the chain; and the clamping blocks correspond to the adjustable forging die supports one by one, and each clamping block is provided with a clamping groove which is matched with the adjustable forging die supports.

The lifting motor acts to drive the second chain wheel to rotate, the second chain wheel drives the four first chain wheels to rotate through the chain, each first chain wheel drives the nut to rotate on the frame, the nut drives the screw rod connected with the nut pair through the ball to move up and down, so that the screw rod drives the connecting table to move up and down, the connecting table drives the rotary assembly, the rotary working table and the plurality of adjustable forging die supports to move up and down, and the upper and lower positions of the adjustable forging die supports are adjusted; when the adjustable forging die support descends, the adjustable forging die support is clamped into the clamping groove in the clamping block, so that the adjustable forging die support is fixed, the load borne by the adjustable forging die support can be increased, the impact on the adjustable forging die support is relieved, and the service life of the adjustable forging die support is prolonged; when the adjustable forging die support rises, the rotary motor drives the adjustable forging die support to move to the next procedure through a series of transmission, and then the adjustable forging die support is clamped into the clamping groove in the next clamping block.

Preferably, the lifting motor and the second chain wheel are connected through a lifting reducer. The rotation speed of the second chain wheel is reduced through the lifting speed reducer, and meanwhile, a larger torque is obtained.

Preferably, the chain tensioner further comprises a plurality of tensioning sprockets, each of which meshes with the chain. The tightness of the chain is adjusted through the tensioning chain wheel, so that the chain can be effectively prevented from loosening and falling off, and the abrasion of the first chain wheel, the second chain wheel and the chain is reduced; and the service life of the first chain wheel, the second chain wheel and the chain is prolonged.

Preferably, a flange is arranged at the joint of the input end of the planetary transmission gear box and the output shaft of the rotary motor. When the rotary motor is operated, the torque can be transmitted by the aid of the flange, so that the service life of the connection between the input end of the planetary transmission gear box and the output shaft of the rotary motor is prolonged.

Preferably, each adjustable forging die support comprises a supporting block, a plurality of bolts and a base; the bolt penetrates through the supporting block, the bolt is in threaded connection with the supporting block, and the lower end of the bolt is rotatably connected with the base. The die is arranged on the supporting block, and the vertical height of the supporting block is adjusted by rotating the bolt, so that the height of the forging die is adjusted.

Compared with the prior art, the utility model has at least the following advantages:

1. greatly saving the time for transporting the forging blank. According to the utility model, through the action of the rotary motor, the rotary motor drives the planetary transmission gear box to act, the output end of the planetary transmission gear box drives the inner ring of the four-point contact ball bearing to rotate, the inner ring of the four-point contact ball bearing and the rotary workbench fixedly connected with the inner ring of the four-point contact ball bearing rotate, so that the rotary workbench drives the plurality of adjustable forging die supports to rotate, each adjustable forging die support rotates to a corresponding station, a corresponding process can be processed, and the time for carrying a forging blank is greatly saved.

2. The load born by the adjustable forging die support can be increased, and the service life of the adjustable forging die support is prolonged. The lifting motor acts to drive the second chain wheel to rotate, the second chain wheel drives the four first chain wheels to rotate through the chain, each first chain wheel drives the nut to rotate on the frame, the nut drives the screw rod connected with the nut pair through the ball to move up and down, so that the screw rod drives the connecting table to move up and down, the connecting table drives the rotary assembly, the rotary working table and the plurality of adjustable forging die supports to move up and down, and the upper and lower positions of the adjustable forging die supports are adjusted; when the adjustable forging die support descends, the adjustable forging die support is clamped into the clamping groove in the clamping block, so that the adjustable forging die support is fixed, the load borne by the adjustable forging die support can be increased, the impact on the adjustable forging die support is relieved, and the service life of the adjustable forging die support is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a front view of a forging turret according to an embodiment of the utility model.

FIG. 2 is a top view of a forging turret provided in accordance with an embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Reference numerals:

1-a connection table; 2-a rotary component, 21-a planetary transmission gear box, 22-a rotary motor, 23-a four-point contact ball bearing and 24-a flange; 3-a rotary table; 4-adjustable forging die support, 41-support block, 42-bolt and 43-base; 5-frame, 51-cavity; 6-lifting component, 61-screw rod, 62-nut; 7-transmission assembly, 71-first chain wheel, 72-chain, 73-second chain wheel, 74-lifting motor, 75-lifting reducer, 76-tension chain wheel; 8-forging the die.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

In the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, embodiments of the present invention are provided: a forging turret comprising: the connecting table 1 is horizontally arranged; the rotary component 2, the rotary component 2 includes the planetary transmission gear box 21, the rotary motor 22 and the four-point contact ball bearing 23; the planetary transmission gear box 21 is fixedly arranged on the lower end face of the connecting table 1, and the input end of the planetary transmission gear box 21 is connected with the output shaft of the rotary motor 22; further, in order to prolong the service life of the connection between the input end of the planetary transmission gear box 21 and the output shaft of the rotary motor 22, a flange 24 is installed at the connection between the input end of the planetary transmission gear box 21 and the output shaft of the rotary motor 22, and the rotary motor 22 can transmit torque in an auxiliary manner through the flange 24 when moving. The output end of the planetary transmission gear box 21 is provided with a four-point contact ball bearing 23, the four-point contact ball bearing 23 penetrates through the connecting table 1, and the outer ring of the four-point contact ball bearing 23 is fixedly connected with the connecting table 1; the rotary worktable 3 is arranged above the connecting table 1, and the rotary worktable 3 is fixedly connected with the inner ring of the four-point contact ball bearing 23; and the adjustable forging die supports 4 are arranged on the upper end surface of the rotary worktable 3, and the adjustable forging die supports 4 are detachably connected with the rotary worktable 3.

In yet another embodiment, the system further comprises a lifting structure, the lifting structure comprising: the rack 5 is arranged below the connecting table 1, and a cavity 51 is arranged in the rack 5; the four lifting assemblies 6 are arranged, each lifting assembly 6 comprises a screw rod 61 and a nut 62, the screw rod 61 is arranged above the rack 5, the lower end of the screw rod 61 extends into the cavity 51, the screw rod 61 is connected with the rack 5 in a sliding mode, the upper end of the screw rod 61 is rotatably connected with the lower end of the connecting table 1, the nut 62 is sleeved on the screw rod 61, the nut 62 is connected with the screw rod 61 through a ball nut pair, and the nut 62 is rotatably connected with the upper end face of the rack 5; the transmission assembly 7 comprises four first chain wheels 71, a chain 72, a second chain wheel 73 and a lifting motor 74, the four first chain wheels 71 are sleeved on the nuts 62 in a one-to-one correspondence manner, the four first chain wheels 71 are all meshed with the chain 72, the second chain wheel 73 is connected with an output shaft of the lifting motor 74, and the second chain wheel 73 is meshed with the chain 72; further, in order to reduce the rotation speed of the second sprocket 73 and obtain a large torque, the lift motor 74 and the second sprocket 73 are connected by a lift reducer 75. The forging die support structure further comprises a plurality of clamping blocks, the clamping blocks correspond to the adjustable forging die supports 4 one to one, each clamping block is provided with a clamping groove, and the clamping grooves are matched with the adjustable forging die supports 4.

Further, in order to effectively prevent the chain 72 from loosening, a plurality of tension sprockets 76 are included, and each of the plurality of tension sprockets 76 engages with the chain 72. The tightness of the chain 72 is adjusted through the tension chain wheel 76, and the abrasion of the first chain wheel 71, the second chain wheel 73 and the chain 72 is also reduced; and the service life of the first sprocket 71, the second sprocket 73 and the chain 72 is prolonged.

In other embodiments, each adjustable die support 4 may further comprise a support block 41, a plurality of bolts 42 and a base 43; the bolt 42 penetrates through the supporting block 41, the bolt 42 is in threaded connection with the supporting block 41, and the lower end of the bolt 42 is rotatably connected with the base 43. The die 8 is mounted on the supporting block 41, and the vertical height of the supporting block 41 is adjusted by rotating the bolt 42, thereby adjusting the height of the forging die 8.

The working principle and the using process of the utility model are as follows:

the lifting motor 74 acts, the lifting motor 74 drives the second chain wheel 73 to rotate through the lifting reducer 75, the second chain wheel 73 drives the four first chain wheels 71 to rotate through the chain 72, each first chain wheel 71 drives the nut 62 to rotate on the frame 5, the nut 62 drives the screw rod 61 connected with the nut through the ball nut pair to move up and down, so that the screw rod 61 drives the connecting table 1 to move up and down, the connecting table 1 drives the rotary assembly 2, the rotary working table 3 and the adjustable forging die supports 4 to move up and down, and the up and down positions of the adjustable forging die supports 4 are adjusted.

When the adjustable forging die support 4 descends, the adjustable forging die support 4 is clamped into the clamping groove in the clamping block, so that the adjustable forging die support 4 is fixed, the load borne by the adjustable forging die support 4 can be increased, the impact on the adjustable forging die support 4 is relieved, and the service life of the adjustable forging die support 4 is prolonged.

When the adjustable forging die supports 4 ascend, the rotary motor 22 acts, the rotary motor 22 drives the planetary transmission gear box 21 to act, the output end of the planetary transmission gear box 21 drives the inner ring of the four-point contact ball bearing 23 to rotate, the inner ring of the four-point contact ball bearing 23 and the rotary workbench 3 fixedly connected with the four-point contact ball bearing rotate, so that the rotary workbench 3 drives the adjustable forging die supports 4 to rotate, each adjustable forging die support 4 rotates to the next station, the next procedure can be processed, and the time for carrying a forging blank is greatly saved; and then the adjustable forging die support 4 is clamped into a clamping groove in the next clamping block, and the forging process is carried out on the forging blank in such a way of circulating.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A forging turret, comprising:

the connecting table (1), the connecting table (1) is horizontally arranged;

a slewing assembly (2), the slewing assembly (2) comprising a planetary transmission gearbox (21), a slewing motor (22) and a four-point contact ball bearing (23); the planetary transmission gear box (21) is fixedly arranged on the lower end face of the connecting table (1), the input end of the planetary transmission gear box (21) is connected with the output shaft of the rotary motor (22), a four-point contact ball bearing (23) is mounted on the output end of the planetary transmission gear box (21), the four-point contact ball bearing (23) penetrates through the connecting table (1), and the outer ring of the four-point contact ball bearing (23) is fixedly connected with the connecting table (1);

the rotary worktable (3) is arranged above the connecting table (1), and the rotary worktable (3) is fixedly connected with the inner ring of the four-point contact ball bearing (23); and

the forging die comprises a plurality of adjustable forging die supports (4), the adjustable forging die supports (4) are arranged on the upper end face of a rotary workbench (3), and the adjustable forging die supports (4) are detachably connected with the rotary workbench (3).

2. The forging turret of claim 1, further comprising an elevation structure, the elevation structure comprising:

the rack (5) is arranged below the connecting table (1), and a cavity (51) is formed in the rack (5);

the lifting device comprises four lifting components (6), each lifting component (6) comprises a screw rod (61) and a nut (62), the screw rods (61) are arranged above the rack (5), the lower ends of the screw rods (61) extend into the cavities (51), the screw rods (61) are in sliding connection with the rack (5), the upper ends of the screw rods (61) are rotatably connected with the lower end of the connecting table (1), the nuts (62) are sleeved on the screw rods (61), the nuts (62) are connected with the screw rods (61) through ball nut pairs, and the nuts (62) are rotatably connected to the upper end face of the rack (5);

the transmission assembly (7) comprises four first chain wheels (71), chains (72), a second chain wheel (73) and a lifting motor (74), the four first chain wheels (71) are sleeved on the nuts (62) in a one-to-one correspondence mode, the four first chain wheels (71) are all meshed with the chains (72), the second chain wheel (73) is connected with an output shaft of the lifting motor (74), and the second chain wheel (73) is meshed with the chains (72); and

the adjustable forging die comprises a plurality of clamping blocks, wherein the clamping blocks correspond to a plurality of adjustable forging die supports (4) one to one, each clamping block is provided with a clamping groove, and the clamping grooves are matched with the adjustable forging die supports (4).

3. A forging turret according to claim 2, wherein the lift motor (74) and the second sprocket (73) are connected by a lift reducer (75).

4. A forging turret according to claim 2 further comprising a plurality of tension sprockets (76), each tension sprocket (76) engaging a chain (72).

5. A forging turret according to claim 1 wherein a flange (24) is mounted at the connection of the input of the planetary gearbox (21) to the output shaft of the rotary motor (22).

6. A forging turret according to claim 1, wherein each of said adjustable die supports (4) comprises a support block (41), a plurality of bolts (42) and a base (43); the bolt (42) penetrates through the supporting block (41), the bolt (42) is in threaded connection with the supporting block (41), and the lower end of the bolt (42) is rotatably connected with the base (43).