CN114472692A - A hydraulic forming machine for transmission shaft parts - Google Patents

Abstract

The utility model belongs to the technical field of transmission shaft accessory processing equipment's technique and specifically relates to a transmission shaft accessory hydraulic forming machine is related to, which comprises a frame, be provided with forming mechanism in the frame, forming mechanism is including being used for carrying out fashioned top punch to the axial hole, set up mounting panel on the top punch and be used for driving the driving piece one of mounting panel motion, be provided with on the mounting panel and be used for carrying out the adjustment mechanism who adjusts to the aperture of axial hole, adjustment mechanism includes that the adjusting tube on the top punch is located to the slip cap and is used for driving the adjusting tube and carries out gliding driving piece two along the top punch. This application has the effect that can promote the application scope of make-up machine.

Description

A hydraulic forming machine for transmission shaft accessories

technical field

The invention relates to the technical field of processing equipment for transmission shaft parts, in particular to a hydraulic forming machine for transmission shaft parts.

Background technique

At present, the drive shaft is a high-speed, less-supported rotating body, which is usually an important component in the transmission of power in the automobile drive train. Its function is to transmit the power of the engine to the wheels together with the gearbox and the drive axle, so that the automobile can generate driving force. , among which the shaft fork, also known as the universal joint fork, is one of the key accessories commonly used in the rotating shaft. The processing of the transmission shaft accessories requires the use of a hydraulic forming machine.

The existing axle fork is usually composed of a connecting rod 01 and two arc-shaped ear structures 02 arranged on one end of the connecting rod 01. 021, when the hydroforming machine is processing, it is necessary to open an axial hole 011 on the connecting rod 01, wherein the shaft fork contains various sizes of the diameter of the axial hole 011. When the shaft fork is processed, the shaft fork is placed in a forming machine of different specifications to form the different diameters of the axial hole.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that a molding machine has a small possibility of processing axial holes with various diameters, resulting in a small application range of the molding machine.

SUMMARY OF THE INVENTION

In order to improve the applicable scope of the forming machine, the present application provides a hydraulic forming machine for a transmission shaft fitting.

A hydraulic forming machine for transmission shaft accessories provided by the application adopts the following technical solutions:

A hydraulic forming machine for transmission shaft accessories, including a frame, a forming mechanism is arranged on the frame, and the forming mechanism includes an upper punch for forming an axial hole and a mounting plate arranged on the upper punch And the first driving member for driving the movement of the mounting plate, the mounting plate is provided with an adjusting mechanism for adjusting the diameter of the axial hole, the adjusting mechanism includes an adjusting tube slidably sleeved on the upper punch and a The second driving part is used to drive the adjusting tube to slide along the upper punch.

By adopting the above technical solution, an adjusting mechanism is provided on the mounting plate, and the second driving element is activated to drive the adjusting pipe to slide. After the bottom end of the adjusting pipe is flush with the bottom end of the upper punch, the first driving element is activated to drive the upper punch. And the adjustment tube is lowered, and the shaft forks with multiple axial hole diameters can be processed, which improves the application range of the molding machine.

Optionally, a guide tube is provided on the mounting plate, the guide tube is sleeved on the adjustment tube, and the guide tube is slidably matched with the adjustment tube.

By adopting the above technical solution, through the arrangement of the guide tube, when the adjustment tube slides, it can slide along the inner wall of the guide tube to guide the guide tube, so that the sliding of the adjustment tube is more stable.

Optionally, a worktable is provided on the frame, and a mold structure is provided on the worktable, and the mold structure includes a lower mold set on the worktable and an upper mold set on the lower mold, the upper mold The mold and the lower mold are arranged opposite to each other along the height direction of the frame, the upper mold is provided with a forming hole for the connecting rod to pass through, the bottom end of the upper mold is provided with a forming plate, and the forming plate and the lower mold are A forming cavity for forming the ear structure is formed therebetween.

By adopting the above technical solution, the workpiece is placed in the forming hole, and the axial hole can be formed on the workpiece through the upper punch, and the ear structure of the workpiece can be formed through the forming cavity, thereby realizing the forming of the workpiece.

Optionally, a clamping device is provided in the upper mold, and the clamping device includes a clamping claw for clamping the outer peripheral surface of the workpiece, a clamping mechanism for driving the movement of the clamping claw, and a clamping mechanism for mounting. Clamping jaws and the housing of the clamping mechanism.

By adopting the above technical solution, the upper mold is provided with a clamping device, and the diameter of the forming hole is usually larger than the diameter of the workpiece, so that the workpiece can be placed in the forming hole more conveniently. After the workpiece is placed in the forming hole, the clamping mechanism is activated. The clamping claws are driven to hold the workpiece fixedly, which can realize the positioning of the workpiece, reduce the phenomenon that the workpiece is offset during the forming process, and thus make the machining accuracy of the position of the axial hole of the workpiece on the workpiece higher.

Optionally, the clamping mechanism includes a linkage assembly for driving the clamping claw to clamp the workpiece and a drive assembly for driving the linkage assembly to rotate.

By adopting the above technical solution, the driving component can be activated, and the linkage component can be driven to move, and then the clamping claws can be driven to clamp the workpiece.

Optionally, the driving assembly includes a rotating gear for driving the linkage assembly to rotate and a driver for driving the rotating gear to rotate.

By adopting the above technical solution, starting the driver can drive the rotating gear to rotate, thereby driving the linkage assembly to rotate, and the operation is convenient.

Optionally, the linkage assembly includes a rotating disk and rotating teeth meshing with the rotating gear, the rotating teeth are arranged on one side of the rotating disk, and the other side of the rotating disk is provided with a plane thread, and the clamping The bottom end of the claw is provided with sliding teeth which are threadedly matched with the plane thread, and the clamping claw is slidably matched with the casing.

By adopting the above technical solution, when the rotating gear rotates, it can drive the rotating teeth to rotate, drive the rotating plate to rotate, and then drive the plane thread to rotate, so that the sliding teeth slide, and drive the clamping claws to fix and clamp the workpiece, and the operation is convenient.

Optionally, a forming assembly for forming the ear structure is provided on the worktable, and the forming assembly includes a side punch for forming the ear hole and a driving member 3 for driving the movement of the side punch.

By adopting the above technical solution, the third driving member can be activated to drive the side punch to be inserted into the lower mold, so as to realize the ear hole forming process for the ear structure.

Optionally, a guide device is provided on the worktable, and the guide device includes a sliding plate disposed between the side punch and the output shaft of the third driving member and a sliding rail disposed on the worktable, the sliding plate Sliding fit with slide rail.

By adopting the above technical solution, through the setting of the guide device, when the side punch slides, the sliding plate can be driven to slide along the slide rail, so that the sliding of the side punch is more stable, and the forming process of the ear hole is more accurate. .

Optionally, a lifting device is provided on the frame, and the lifting device includes a lifting plate for driving the upper mold to rise and fall and a driving member 4 for driving the lifting plate to rise and fall.

By adopting the above technical solution, through the setting of the lifting device, the driving member 4 can be activated, which can drive the lifting plate to rise and fall, and then drive the upper mold to lift and lower, and the processed shaft fork can be easily taken out.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. By setting the adjusting mechanism on the mounting plate, the second driving member can be activated to drive the adjusting tube to slide. After the bottom end of the adjusting tube is flush with the bottom end of the upper punch, the first driving member is activated to drive the upper punch and adjust The tube is lowered, and the shaft forks with multiple axial hole diameters can be processed, which improves the application range of the forming machine;

2. By setting the clamping device in the upper mold, the diameter of the forming hole is usually larger than the diameter of the workpiece, so that the workpiece can be placed in the forming hole more conveniently. After the workpiece is placed in the forming hole, the clamping mechanism is activated to drive the clamping mechanism. The claw can fix and clamp the workpiece, which can realize the positioning of the workpiece, reduce the phenomenon of workpiece offset during the forming process, and further improve the machining accuracy of the position of the axial hole of the workpiece on the workpiece.

Description of drawings

Fig. 1 is the structural representation of the background technology of the present application;

Fig. 2 is the overall structure schematic diagram of the present application;

Figure 3 is a partial cross-sectional view of the application;

Fig. 4 is the partial enlarged view of A place in Fig. 3;

Fig. 5 is the partial enlarged view of B place in Fig. 3;

Figure 6 is a partial cross-sectional view showing the clamping device;

FIG. 7 is a schematic structural diagram showing the connection relationship between the workbench and the molding assembly;

FIG. 8 is a partial enlarged view of C in FIG. 7 .

Description of reference numerals: 01, connecting rod; 011, axial hole; 02, ear structure; 021, ear hole; 1, frame; 2, forming mechanism; 21, upper punch; 22, mounting plate; 23 , driving part one; 3, adjusting mechanism; 31, adjusting tube; 32, driving part two; 4, guide tube; 5, worktable; 6, mold structure; 61, lower mold; 62, upper mold; 621, forming hole ; 63, forming plate; 64, forming cavity; 7, clamping device; 71, clamping claw; 711, sliding tooth; 72, clamping mechanism; 73, linkage assembly; 731, rotating plate; 732, rotating tooth; 733 , plane thread; 74, drive assembly; 741, rotating gear; 742, driver; 75, housing; 8, forming assembly; 81, side punch; 82, drive part three; 9, guide device; 91, sliding plate; 92, slide rail; 10, lift device; 101, lift plate; 102, drive part four; 103, limit block; 104, give way hole; 105, abutment block;

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-8.

The embodiment of the present application discloses a hydraulic forming machine for a transmission shaft fitting. Referring to FIG. 1 and FIG. 1, it includes a frame 1, a worktable 5 is fixedly arranged on the frame 1, a mold structure 6 is fixedly arranged on the worktable 5, and a forming mechanism 2 is arranged on the frame 1, which is used for forming the shaft fork. In the forming process, the forming mechanism 2 includes an upper punch 21 for forming the axial hole 011, a mounting plate 22 arranged on the upper punch 21, and a driving member 23 for driving the movement of the mounting plate 22. The driving member 1 23 can directly use the oil cylinder, the cylinder of the driving part 23 is fixed on the frame 1, the piston rod of the driving part 23 is fixedly connected with the mounting plate 22, and the upper punch 21 is set along the height direction of the frame 1. The top end of the upper punch 21 is set on the mounting plate 22 for the cylindrical rod. When the round bar-shaped workpiece needs to be processed, the workpiece is placed in the mold structure 6, and then the driving member 1 23 is activated to drive the mounting plate 22 and the upper punch 21 to descend, and the upper punch 21 is inserted into the workpiece to form the workpiece. .

3 and 4 , the lower surface of the mounting plate 22 is provided with a connecting plate 11 , the connecting plate 11 and the mounting plate 22 are detachably connected by bolts and nuts, and the upper punch 21 is fixedly mounted on the connecting plate 11 . A guide tube 4 is fixed on the connecting plate 11, and the guide tube 4 is sleeved on the upper punch 21. Referring to FIG. 1, the connecting plate 11 is provided with an adjusting mechanism 3 for adjusting the diameter of the axial hole 011. The adjusting mechanism 3 is located between the upper punch 21 and the guide tube 4 .

3 and 4 , the adjustment mechanism 3 includes an adjustment tube 31 slidably sleeved on the upper punch 21 and a driving member 32 for driving the adjustment tube 31 to slide along the upper punch 21 . The driving member 2 32 can directly use a hydraulic cylinder, the cylinder of the driving member 32 is fixedly arranged on the connecting plate 11, the adjusting pipe 31 is located between the upper punch 21 and the guide pipe 4, and the guide pipe 4 and the adjusting pipe 31 are slidably matched, and the driving member The piston rod of the second 32 is fixedly connected with the top end of the regulating tube 31 . When the axial hole 011 needs to be formed, the second driving member 32 is activated to drive the adjusting tube 31 to retract into the guide tube 4, and the upper punch 21 is used for processing. Another diameter of the axial hole 011 needs to be formed. At this time, the second driving member 32 is activated to drive the regulating tube 31 to descend along the guide tube 4. After the bottom end of the regulating tube 31 is flush with the bottom end of the upper punch 21, the driving member 1 23 drives the upper punch 21 and adjusts the At the same time, the pipe 31 is lowered to form the workpiece.

7 and 8 , the mold structure 6 includes a lower mold 61 disposed on the worktable 5 and an upper mold 62 disposed on the lower mold 61 . The upper mold 62 and the lower mold 61 are along the height direction of the frame 1 The upper molds 62 are arranged opposite to each other. The upper mold 62 has a rectangular structure. The upper mold 62 is provided with a molding hole 621 for the connecting rod to pass through. The molding hole 621 is arranged along the height direction of the frame 1. Forming plate 63, two forming plates 63 are oppositely arranged, and the inner wall of forming plate 63 is flush with the inner wall of forming hole 621, lower mold 61 is provided with a mold corresponding to forming plate 63, with reference to FIG. 1, upper mold 62 After abutting on the lower mold 61 , the molding plate 63 and the mold of the lower mold 61 are vertically spaced apart, and a molding cavity 64 for molding the ear structure 02 is formed between the molding plate 63 and the lower mold 61 .

Referring to FIGS. 3 and 5 , a lifting device 10 is provided on the frame 1. The lifting device 10 includes a lifting plate 101 for driving the upper mold 62 to rise and fall, and a driving member 4 102 for driving the lifting plate 101 to rise and fall. The driving member 4 102 It is fixedly arranged on the frame 1, the driving member 4 102 is arranged along the height direction of the frame 1, the piston rod of the driving member 4 102 is fixedly connected with the lifting plate 101, the lifting plate 101 is slidably matched with the frame 1, and the upper mold is 62 is detachably connected to the lift plate 101 through bolts and nuts. Referring to FIG. 4 , the lifting plate 101 is provided with an escape hole 104 for the guide tube 4 to pass through, the upper surface of the lifting plate 101 is fixedly provided with a limit block 103 , and the connecting plate 11 is fixedly provided with a corresponding limit block 103 . The abutting block 105 and the limiting block 103 are used to limit the descending movement of the abutting block 105 . When the workpiece needs to be formed, the driving member 4 102 is activated first, which drives the lifting plate 101 to descend, and drives the upper mold 62 to abut on the lower mold 61 . Then, the driving member 1 23 is started, and the upper punch 21 is driven to pass through the vacant hole 104 and then inserted into the forming hole 621 , and the workpiece in the forming hole 621 is formed and processed, and the workpiece is impacted at the same time, and the bottom of the workpiece is in the forming cavity 64 . The forming process of the ear structure 02.

3 and 5 , in order to make the workpiece more stable when the workpiece is inserted into the molding hole 621 for processing, and reduce the phenomenon of the workpiece being offset in the molding hole 621, the upper mold 62 is provided with a clamping device 7, and the workpiece is inserted into the upper mold 621. After being placed in the mold 62 , the workpiece is fixedly clamped by the clamping device 7 . The clamping device 7 includes a clamping claw 71 for clamping the outer peripheral surface of the workpiece, a clamping mechanism 72 for driving the clamping claw 71 to move, and a housing 75 for installing the clamping claw 71 and the clamping mechanism 72 . Referring to FIG. 6 , the casing 75 is of a ring-shaped structure, the clamping claws 71 are slidably fitted on the casing 75 , and three clamping claws 71 are evenly arranged in the casing 75 .

5 and 6 , the clamping mechanism 72 includes a linkage assembly 73 for driving the clamping claw 71 to clamp the workpiece and a drive assembly 74 for driving the linkage assembly 73 to rotate. The drive assembly 74 includes a drive assembly for driving A rotating gear 741 for rotating the linkage assembly 73 and a driver 742 for driving the rotating gear 741 to rotate. The driver 742 can directly use a motor, the driver 742 is fixedly installed on the housing 75, and the rotating gear 741 is coaxially fixed on the output shaft of the driver 742 . The linkage assembly 73 includes a rotating disk 731 and a rotating tooth 732 engaged with the rotating gear 741 . The rotating disk 731 is a disc-shaped structure. The lower surface of the rotating disk 731 is fixedly provided with a plane thread 733, the plane thread 733 is surrounded by a plurality of turns, and the bottom end of the clamping claw 71 is fixedly provided with a sliding tooth 711 which is threadedly matched with the plane thread 733. When the workpiece needs to be fixedly clamped, the driver 742 is activated, and the rotating gear 741, the rotating tooth 732, the rotating disk 731 and the plane thread 733 are rotated in turn, and the three clamping claws 71 are driven to slide close to the workpiece and squeeze the workpiece. After locking, the fixed clamping of the workpiece is completed, and then the workpiece is formed.

Referring to FIGS. 7 and 8 , the workbench 5 is provided with forming assemblies 8 for forming the ear structure 02 , and two forming assemblies 8 are arranged opposite to each other along the length direction of the frame 1 . In conjunction with FIG. 1 , the upper punch 21 When forming the workpiece, the forming assembly 8 is activated to form the ear hole 021 on the ear structure 02 . The forming assembly 8 includes a side punch 81 for forming the ear hole 021 and a driving member 82 for driving the movement of the side punch 81. The driving member 82 can directly use an oil cylinder, and the side punch 81 is installed on the driving member 82. On the piston rod, the side punch 81 is a T-shaped rod.

Referring to FIGS. 7 and 8 , a guide device 9 is fixedly arranged on the workbench 5 , and the guide device 9 includes a sliding plate 91 fixedly arranged between the side punch 81 and the piston rod of the third driving member 82 , and a sliding plate 91 fixedly arranged on the workbench 5 . The sliding rails 92 are L-shaped plates, two sliding rails 92 are arranged opposite to each other along the length direction of the sliding plate 91 , and the side surfaces of the sliding plate 91 are slidingly fitted between the two sliding rails 92 . Referring to FIG. 1 , when the workpiece is being formed, the driving member 3 82 is activated to drive the sliding plate 91 to slide along the slide rail 92 , and the side punch 81 is inserted into the lower die 61 to make the ear hole 021 for the ear structure 02 . forming process. After the forming process is completed, the third driving member 82 drives the side punch 81 away from the lower die 61 .

The implementation principle of a hydraulic forming machine for a transmission shaft fitting according to an embodiment of the present application is as follows: when the workpiece needs to be processed, the lifting device 10 is first activated, the upper mold 62 is driven to abut the lower mold 61 , and then the workpiece is placed in the forming hole 621 Inside, the clamping device 7 is activated to fix and clamp the workpiece, and then the driving element 1 23 is activated to drive the upper punch 21 to descend. The forming process is carried out, and at the same time, the upper punch 21 impacts the workpiece to form the ear structure 02 , and then the forming assembly 8 is activated to drive the side punch 81 to insert into the lower mold 61 to align the ear hole 021 of the ear structure 02 The forming process is carried out. After the processing is completed, the forming component 8 is started to drive the side punch 81 away from the lower die 61, and the driving member 1 23 is started to drive the upper punch 21 to rise, and the lifting device 10 is started to drive the upper die 62 to rise. The upper mold 62 is taken out to complete the forming process of the workpiece.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (10)

1. The utility model provides a transmission shaft accessory hydraulic forming machine, includes frame (1), its characterized in that: be provided with forming mechanism (2) on frame (1), forming mechanism (2) including be used for carrying out fashioned last drift (21), setting up mounting panel (22) on last drift (21) and being used for driving piece (23) of mounting panel (22) motion to the axial hole, be provided with on mounting panel (22) and be used for carrying out adjustment mechanism (3) adjusted to the aperture of axial hole, adjustment mechanism (3) are including sliding sleeve locate adjusting tube (31) on last drift (21) and be used for driving adjusting tube (31) and carry out gliding driving piece two (32) along last drift (21).

2. The hydraulic molding machine of claim 1, wherein: be provided with stand pipe (4) on mounting panel (22), on stand pipe (4) cover was located regulating tube (31), and stand pipe (4) and regulating tube (31) sliding fit.

3. The hydraulic molding machine of claim 1, wherein: be provided with workstation (5) on frame (1), be provided with mould structure (6) on workstation (5), mould structure (6) are including setting up bed die (61) on workstation (5) and setting up last mould (62) on bed die (61), it sets up relatively on the direction of height of frame (1) with bed die (61) to go up mould (62), upward set up on mould (62) and supply shaping hole (621) that the connecting rod passed, the bottom of going up mould (62) is provided with forming plate (63), form between forming plate (63) and bed die (61) and supply the fashioned shaping chamber (64) of ear's structure.

4. The hydraulic molding machine of claim 3, wherein: a clamping device (7) is arranged in the upper die (62), and the clamping device (7) comprises a clamping claw (71) for clamping the peripheral surface of the workpiece, a clamping mechanism (72) for driving the clamping claw (71) to move and a shell (75) for installing the clamping claw (71) and the clamping mechanism (72).

5. The hydraulic molding machine of claim 4, wherein: the clamping mechanism (72) comprises a linkage assembly (73) for driving the clamping claw (71) to clamp the workpiece and a driving assembly (74) for driving the linkage assembly (73) to rotate.

6. The hydraulic molding machine of claim 5, wherein: the driving assembly (74) comprises a rotating gear (741) for driving the linkage assembly (73) to rotate and a driver (742) for driving the rotating gear (741) to rotate.

7. The hydraulic molding machine of claim 6, wherein: the linkage assembly (73) comprises a rotating disc (731) and a rotating tooth (732) meshed with a rotating gear (741), the rotating tooth (732) is arranged on one side of the rotating disc (731), a plane thread (733) is arranged on the other side of the rotating disc (731), a sliding tooth (711) in threaded fit with the plane thread (733) is arranged at the bottom end of the clamping claw (71), and the clamping claw (71) is in sliding fit with the shell (75).

8. The hydraulic molding machine of claim 3, wherein: be provided with on workstation (5) and be used for the fashioned forming assembly (8) of ear's structure, forming assembly (8) are including being used for fashioned side drift (81) of ear's hole and being used for driving piece three (82) of drive side drift (81) motion.

9. The hydraulic molding machine of claim 8, wherein: the guide device (9) is arranged on the workbench (5), the guide device (9) comprises a sliding plate (91) arranged between the side punch (81) and an output shaft of the driving piece III (82) and a sliding rail (92) arranged on the workbench (5), and the sliding plate (91) is in sliding fit with the sliding rail (92).

10. A drive shaft fitting hydroforming machine according to claim 3, wherein: the lifting device (10) is arranged on the rack (1), and the lifting device (10) comprises a lifting plate (101) for driving the upper die (62) to lift and a driving piece IV (102) for driving the lifting plate (101) to lift.

Images