CN114850277B - Hydraulic press for machining shaft sleeve type parts and machining process - Google Patents

Abstract

The application discloses a hydraulic press for machining shaft sleeve parts and a machining process, wherein the hydraulic press comprises a hydraulic press body, a lower die arranged on a workbench, an oil cylinder arranged on the hydraulic press body, an upper die connected to the oil cylinder and an extrusion cylinder connected to a punch and used for extruding a metal cylinder, positioning grooves used for limiting the metal cylinder and containing grooves used for enabling the metal cylinder to bulge outwards are formed in the lower die and the upper die, an adjusting seat is connected to the workbench, the lower die is fixed on the adjusting seat, the positioning grooves vertically penetrate through the lower die and the upper die, the extrusion cylinder is arranged in the corresponding positioning grooves in a penetrating mode, an installation groove is formed in the upper end face of the adjusting seat, an adjusting rod which is vertically arranged and penetrates through the positioning groove is arranged in a sliding mode in the installation groove, a positioning rod which penetrates through the metal cylinder is coaxially arranged at the upper end of the adjusting rod, and an adjusting mechanism used for driving the adjusting block to move in the vertical direction is arranged in the installation groove. The application has the effect of facilitating the formation of outward bulges at different positions of the metal tube.

Description

Hydraulic press for machining shaft sleeve type parts and machining process

Technical Field

The application relates to the field of hydraulic presses, in particular to a hydraulic press for machining shaft sleeve parts and a machining process.

Background

Hydraulic presses are one type of hydraulic machines that use liquid as the working medium, depending on the type of machine made to transfer energy to achieve various processes.

Fig. 1 is a metal cylinder to be processed, fig. 2 is a metal cylinder after processing, before processing, a worker firstly installs a lower die on a workbench of a hydraulic press, a positioning rod penetrating in the metal cylinder and preventing the metal cylinder from deforming inwards in the processing process is arranged in the lower die, a cylinder is also installed on the hydraulic press by the worker, an upper die is installed on the cylinder, positioning grooves which are coaxial and are attached to the outer wall of the metal cylinder are formed in the upper die and the lower die, the positioning rod is located in the positioning grooves, and a containing groove which forms an outwards bulged cavity on the metal cylinder in the extrusion process is formed in the two positioning grooves. The punch of the hydraulic press is connected with an extrusion cylinder penetrating through the positioning groove, in the machining process, a worker firstly sleeves the part on the positioning rod, the oil cylinder and the hydraulic press are started, the upper die is abutted to the lower die, then the oil cylinder stops working, the punch drives the extrusion cylinder to move downwards, the metal cylinder is extruded, after the metal cylinder is formed into a required part in the storage groove, the upper die is separated from the lower die, the extrusion cylinder is separated from the metal cylinder, and the worker takes out the metal cylinder and repeats the operation to machine the next part.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, because the depth of the positioning groove is constant, the outwards bulged position formed on the metal cylinder is always positioned at the designated position of the metal cylinder, and the specific position of the bulged cavity on the metal cylinder cannot be changed according to actual conditions.

Disclosure of Invention

In order to facilitate arranging outwards-bulged cavities at different positions on the metal cylinder, the application provides a hydraulic press for machining shaft sleeve parts and a machining process.

In a first aspect, the hydraulic press for machining shaft sleeve parts provided by the application adopts the following technical scheme:

the utility model provides a hydraulic press is used in axle sleeve class part processing, includes the hydraulic press body, sets up the lower mould on the workstation, sets up the hydro-cylinder on the hydraulic press body, connects at the hydro-cylinder output and with the last mould of lower mould combined action and connect on the drift and be used for the extrusion section of thick bamboo of metal, set up the constant head tank that is used for spacing metal section of thick bamboo and be used for making the metal section of thick bamboo form the storage tank of outwards rising in lower mould and go up the mould, be connected with the regulating seat on the workstation, the lower mould is fixed on the regulating seat, and the constant head tank runs through lower mould and last mould along vertical direction, and the extrusion section of thick bamboo wears to establish in corresponding constant head tank, the mounting groove has been seted up to the regulating seat up to the up end, the interior sliding of mounting groove is provided with the regulating block that moves in vertical direction, be fixed with on the regulating rod that is vertical setting and wears to establish in the constant head tank, the coaxial setting up of regulating rod upper end wears to establish in the metal section of thick bamboo, set up the regulating mechanism that drives the regulating block and moves in vertical direction in the mounting groove.

Through adopting above-mentioned technical scheme, the staff can act on actuating mechanism, make actuating mechanism drive adjust pole and locating lever in vertical direction motion, use for changing the height of adjusting pole and locating lever in vertical direction, thereby change the position at the outside cavity that bulges outward of metal section of thick bamboo appearance, after adjusting pole position adjustment, the staff can place the metal section of thick bamboo in the constant head tank, then act on hydraulic press and hydro-cylinder, make the mould down motion, go up the mould butt at the lower mould upper surface, the hydro-cylinder stops working, the hydraulic press continues to work, make the extrusion section of thick bamboo with metal section of thick bamboo extrusion, be convenient for form outside bulge on the different positions of metal section of thick bamboo.

Optionally, adjustment mechanism is including rotating the drive screw of connection in the mounting groove, the mounting groove internal fixation has the driving motor who makes drive screw pivoted, drive screw outer wall screw thread is rotated to opposite from the center to both ends, cup jointed two drive blocks on the drive screw, the drive block symmetry set up on the drive screw and with drive screw threaded connection, adjustment block sliding connection is two on the drive block, first guide surface has been seted up on the relative surface of drive block, the second guide surface that corresponds first guide surface has been seted up to the relative lateral wall of drive block, first guide surface butt makes the adjustment block move in vertical direction in corresponding second guide surface and when drive block moves towards opposite direction.

Through adopting above-mentioned technical scheme, driving motor drives the rotation of drive lead screw, and the drive lead screw drives the drive piece and moves towards opposite direction, under the effect of first guide surface and second guide surface, makes the regulating block drive regulation pole and locating lever and moves in vertical direction for change the height of regulation pole and locating lever, satisfy the demand that forms the swell cavity on the different positions of metal tube.

Optionally, be fixed with the guide bar that the cross section is "T" type on the second guide surface, the guide bar extends along corresponding second guide surface incline direction, offer the guide way that the cross section is "T" and be used for sliding the joint to correspond the guide bar on the first guide surface.

Through adopting above-mentioned technical scheme, the guide block slides the setting in the guide way, plays certain limiting displacement to the direction of motion of regulating block, prevents the in-process of regulating block upward movement, breaks away from the possibility of driving the piece.

Optionally, can dismantle on adjusting the pole and be connected with the coaxial mounting disc of adjusting the pole, the locating lever is coaxial to be fixed at the mounting disc up end, a plurality of joint grooves have been seted up along its circumference on the mounting disc, it is fixed with a plurality of joints in the joint piece that corresponds the joint groove to adjust the pole up end, joint inslot wall is fixed with the anticreep board, be fixed with on the joint piece and pass through rotation butt in anticreep board upper surface and prevent the mounting disc along its axial movement's anticreep piece.

Through adopting above-mentioned technical scheme, mounting disc demountable installation can change mounting disc and locating lever according to the circumstances of actual production on adjusting the pole, satisfies the demand of the metal cylinder of different thickness, simultaneously, when wearing and tearing appear in locating lever and mounting disc upper surface, the change of mounting disc and locating lever of being convenient for.

Optionally, the mounting plate is last to have offered along its axial and to run through mounting plate, regulation pole, regulating block's unloading groove, the sliding in mounting groove is provided with the box that gathers materials that is used for collecting unnecessary waste material and dust.

Through adopting above-mentioned technical scheme, though in the course of working, the metal section of thick bamboo produces plastic deformation, but adsorbs the dust on metal section of thick bamboo surface or after the metal section of thick bamboo takes out, and in the dust in the air entered into the constant head tank, fall on the mounting disc upper surface, can influence the processingquality of part, the setting of silo down, the workman of being convenient for makes the dust in the constant head tank fall to in the box that gathers materials through the form of blowing, improves the precision of part processing.

Optionally, the mounting plate up end has seted up with down the silo intercommunication and extend to the sliding tray of locating lever bottom, sliding tray sliding is provided with the sliding plate that is used for closing down the silo and up end and mounting plate up end flush, the sliding tray internal fixation has the sliding spring that pulls the sliding plate along the radial motion of mounting plate and open down the silo, be provided with the actuating mechanism that drives the sliding plate and move towards tensile sliding spring and be closed down the silo on the locating lever.

Through adopting above-mentioned technical scheme, after installation metal cylinder installation is accomplished, the sliding plate makes down the silo closed, and sliding plate upper surface and metal cylinder lower terminal surface butt reduce the course of working and lead to metal cylinder change direction because of down the existence of silo to influence metal cylinder fashioned quality.

Optionally, the drive tooth's socket has been seted up to the sliding plate up end, actuating mechanism is including rotating the drive gear who connects in the locating lever and with drive tooth's socket meshing, the locating lever internal sliding is provided with perpendicular to locating lever and with drive gear meshing's drive rack, drive rack end connection has the actuating lever that is on a parallel with drive rack, actuating lever and locating lever sliding connection and when the sliding plate seals down the silo, the actuating lever end is connected with the locating lever outer wall is smooth.

Through adopting above-mentioned technical scheme, when the inner wall of metal cylinder lower extreme is equipped with the chamfer, the staff can be directly with on the metal cylinder installation locating lever, in the effect of chamfer, promote actuating lever and drive rack motion to drive gear and rotate, make the sliding plate with the silo closure down, when the chamfer is not seted up to metal cylinder lower extreme inner wall, at the in-process of installing the metal cylinder, the staff can act on the actuating lever, make the actuating lever drive rack motion, thereby make drive gear drive sliding plate with the silo closure down.

Optionally, the drive gear is fixed with the drive gear pivot on the same axis, slide on the locating lever and be provided with the press lever, press lever is parallel to the locating lever, press lever lower extreme be fixed with drive gear engagement's drive rack and upper end protrusion in the locating lever up end.

Through adopting above-mentioned technical scheme, at the in-process of installation metal section of thick bamboo, the staff can push down the depression bar, and drive rack drives drive gear and drive gear rotation to it is closed to drive the slide plate with the silo down.

Optionally, the workstation upper surface is fixed with the base, be fixed with a plurality of locating pieces on the base, the adjustment seat butt is in the base upper surface and is located between a plurality of locating pieces, threaded connection has the locating screw that is the level setting on the locating piece, locating screw one end is fixed with the butt piece of butt in the lower mould lateral wall, and the other end is fixed with the hand wheel of being convenient for locating screw pivoted.

Through adopting above-mentioned technical scheme, install the base upper surface with adjusting seat, the staff can act on the hand wheel, makes the locating piece support tightly on the lower mould to realize the installation and the location of lower mould and adjusting seat.

In a second aspect, the application provides a processing technology of a hydraulic press for processing shaft sleeve parts, which comprises the following steps:

s1, acting on an adjusting block according to a bulge position to be molded, so that the adjusting block drives the adjusting rod and the positioning rod to move in the vertical direction until the positioning rod moves to a specified position;

s2, placing the metal cylinder to be processed into a positioning groove;

s3, starting the hydraulic machine body and the oil cylinder simultaneously, and enabling the upper die to move downwards until the upper die is abutted with the lower die, wherein the oil cylinder stops working;

s4, the hydraulic press body continues to work to drive the extrusion cylinder to move downwards until the metal cylinder is processed into a required part;

s5, starting the oil cylinder, enabling the upper die and the extrusion cylinder to move upwards, and taking out the machined part by a worker.

Through adopting above-mentioned technical scheme, the staff adjusts the locating lever to appointed position earlier, then installs the constant head tank with the metal cylinder in, hydraulic press and hydro-cylinder start, and the extrusion section of thick bamboo extrudees the metal cylinder to make the metal cylinder extrude the required part of formation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving motor drives the driving screw rod to rotate, the driving screw rod drives the driving block to move towards opposite directions, and the adjusting block is driven to move in the vertical direction under the action of the first guide surface and the second guide surface, so that the heights of the adjusting rod and the positioning rod are conveniently changed, and further, outwards bulged bulges are conveniently formed at different positions of the metal cylinder in a processing mode;

2. the setting of silo is convenient for clearance of impurity such as dust in the lower mould.

Drawings

Fig. 1 is a schematic structural view of a metal cylinder to be processed.

Fig. 2 is a schematic structural view of the finished metal cylinder.

Fig. 3 is a schematic overall structure of an embodiment of the present application.

Fig. 4 is a schematic view of the mounting structure of the upper and lower molds.

Fig. 5 is a schematic diagram of a connection structure of the adjusting mechanism with the lower die and the adjusting seat.

Fig. 6 is a schematic diagram of a connection structure of the adjusting block and the driving block.

Fig. 7 is a bottom view of the mounting plate.

Fig. 8 is a schematic view of the connection structure of the driving mechanism to the mounting plate.

Reference numerals illustrate:

1. a hydraulic machine body; 2. an oil cylinder; 3. an extrusion cylinder; 4. a lower die; 5. an upper die; 6. a positioning groove; 7. a storage groove; 8. a base; 9. an adjusting seat; 10. a mounting groove; 11. an adjusting block; 12. an adjusting rod; 13. a mounting plate; 14. a positioning rod; 15. driving a screw rod; 16. a driving motor; 17. a driving block; 18. a first guide surface; 19. a second guide surface; 20. a guide rod; 21. a guide groove; 22. a clamping groove; 23. a clamping block; 24. an anti-drop plate; 25. an anti-falling block; 26. discharging groove; 27. a moving groove; 28. a collection box; 29. a sliding groove; 30. a sliding plate; 31. a sliding spring; 32. driving the tooth slot; 33. a drive gear; 34. a drive rack; 35. a driving rod; 36. a transmission gear; 37. pressing a pressing rod; 38. a drive rack; 39. a positioning block; 40. positioning a screw; 41. a hand wheel; 42. and abutting the block.

Detailed Description

The application is described in further detail below with reference to fig. 3-8.

The embodiment of the application discloses a hydraulic press for machining shaft sleeve parts. Referring to fig. 3 and 4, the hydraulic press comprises a hydraulic press body 1 fixed on the ground, a lower die 4 arranged on a workbench of the hydraulic press body 1, a plurality of oil cylinders 2 fixed on the hydraulic press body 1, an upper die 5 connected on the oil cylinders 2 and opposite to the lower die 4, and an extrusion cylinder 3 fixed on a punch of the hydraulic press body 1. The oil cylinder 2 is vertically arranged, the cylinder body is fixed on the hydraulic machine body 1 through bolts, and the upper die 5 is fixed at the output end of the oil cylinder 2 and drives the upper die 5 to move in the vertical direction under the action of the oil cylinder 2.

Referring to fig. 4 and 5, the upper end surface of the lower die 4 and the lower end surface of the upper die 5 are provided with positioning grooves 6 with the same inner diameter along the vertical direction, when the upper die 5 and the lower die 4 are installed, the two positioning grooves 6 are coaxial, the inner side walls of the two positioning grooves 6 are provided with storage grooves 7, the horizontal surfaces where the joint surfaces of the upper die 4 and the lower die 5 are located above the two storage grooves 7 are symmetrically arranged, and the largest inner diameter position of the storage grooves 7 is located on the horizontal surface. The positioning groove 6 penetrates through the upper die 5 and the lower die 4 along the vertical direction, the extrusion barrel 3 penetrates through the positioning groove 6 in the upper die 5, and when the metal barrel is installed in the positioning groove 6, the outer side wall of the metal barrel is attached to the inner side wall of the positioning groove 6 to limit the deformation direction of the metal barrel.

Referring to fig. 4 and 5, a base 8 horizontally arranged is fixed on the upper surface of a workbench of the hydraulic machine body 1 through bolts, an adjusting seat 9 is detachably connected to the base 8, and the lower die 4 is fixed on the adjusting seat 9. The mounting groove 10 has been seted up to regulation seat 9 up end, and the interior sliding of mounting groove 10 is provided with the regulating block 11 that moves in vertical direction, and regulating block 11 up end is fixed with and is the regulation pole 12 of vertical setting, in regulating pole 12 wears to establish the constant head tank 6 of lower mould 4, and regulation pole 12 lateral wall and constant head tank 6 inside wall laminating. The adjusting rod 12 is detachably connected with an installing disc 13 which is coaxial with the adjusting rod 12 and has the same diameter, the upper end surface of the installing disc 13 is coaxially fixed with a positioning rod 14, the positioning rod 14 is arranged in the metal cylinder in a penetrating way, the side wall of the positioning rod 14 is attached to the inner side wall of the metal cylinder, the bending direction of the metal cylinder is limited, and the metal cylinder is prevented from being bent inwards to cause that the metal cylinder cannot be processed into a required shape.

Referring to fig. 5 and 6, an adjusting mechanism for driving the adjusting block 11 to move in the vertical direction is arranged in the mounting groove 10, the adjusting mechanism comprises a driving screw rod 15 rotatably connected in the mounting groove 10, the driving screw rod 15 is horizontally arranged, a driving motor 16 is fixed in the mounting groove 10 through a bolt, and an output shaft of the driving motor 16 is fixed on the driving screw rod 15 and drives the driving screw rod 15 to rotate. The screw threads on the outer wall of the driving screw rod 15 are reversely rotated from the center to the two ends, two driving blocks 17 are sleeved on the driving screw rod 15, the driving blocks 17 are symmetrically arranged on the driving screw rod 15, the driving blocks 17 are in threaded connection with the driving screw rod 15, and when the driving motor 16 drives the driving screw rod 15 to rotate, the two driving blocks 17 move in opposite directions.

Referring to fig. 5 and 6, the adjusting block 11 is slidably connected to the two driving blocks 17, the opposite surfaces of the two driving blocks 17 are provided with first guide surfaces 18, the opposite side walls of the driving blocks 17 are provided with second guide surfaces 19, the first guide surfaces 18 are parallel to the corresponding second guide surfaces 19, and the first guide surfaces 18 are abutted to the corresponding second guide surfaces 19, when the driving blocks 17 move in opposite directions, the adjusting block 11 is moved in the vertical direction, so that the heights of the adjusting rod 12 and the positioning rod 14 in the vertical direction are changed, and corresponding bulges are formed at different positions of the metal cylinder conveniently. The second guide surface 19 is integrally provided with a guide rod 20 with a T-shaped cross section, the guide rod 20 extends along the inclined direction corresponding to the second guide surface 19, the first guide surface 18 is provided with a guide groove 21 with a T-shaped cross section, the guide rod 20 is slidably arranged in the guide groove 21, and when the two driving blocks 17 move in opposite directions, the guide rod 20 slides in the corresponding guide groove 21. The guide bar 20 is provided to limit the movement direction of the adjustment block 11, preventing the adjustment block 11 from being separated from the driving block 17 during the upward movement.

Referring to fig. 7 and 8, a plurality of clamping grooves 22 are formed in the lower end surface of the mounting plate 13 along the circumferential direction of the mounting plate, a plurality of clamping blocks 23 which are clamped in the corresponding clamping grooves 22 are fixed on the upper end surface of the adjusting rod 12, a drop-off preventing plate 24 extending along the circumferential direction of the mounting plate 13 is fixed on one side inner wall of the clamping grooves 22, a drop-off preventing block 25 is bonded on the clamping blocks 23, the mounting plate 13 is mounted on the adjusting rod 12, the clamping blocks 23 and the drop-off preventing block 25 extend into the clamping grooves 22, the lower end surface of the drop-off preventing block 25 is abutted against the upper surface of the drop-off preventing plate 24 by rotating the mounting plate 13, and further the mounting plate 13 is prevented from moving along the axial direction of the mounting plate 13, so that the mounting plate 13 is connected, and the mounting plate 13 is convenient to replace.

Referring to fig. 5 and 6, the mounting plate 13 is provided with a blanking groove 26 penetrating through the mounting plate 13, the adjusting rod 12 and the adjusting block 11 along the axial direction thereof, the side wall of the adjusting block 11 is provided with a moving groove 27 communicated with the mounting groove 10, the moving groove 27 is slidably provided with a collecting box 28 for collecting waste or dust, and the collecting box 28 is positioned below the driving screw 15 and can be pulled out from the moving groove 27.

Referring to fig. 7 and 8, a sliding groove 29 is formed in the upper end surface of the mounting plate 13, the sliding groove 29 is communicated with the blanking groove 26 and extends to the bottom of the positioning rod 14, a sliding plate 30 is slidably arranged in the sliding groove 29, the sliding plate 30 is used for closing the blanking groove 26 and protruding out of the positioning rod 14 in the horizontal direction, the upper end surface of the sliding plate 30 is flush with the upper end surface of the mounting plate 13, a sliding spring 31 which is horizontally arranged is fixed in the sliding groove 29, one end of the sliding spring 31 is fixed on the inner wall of the sliding groove 29, the other end of the sliding spring 31 is fixed on the side wall of the sliding plate 30 and pulls the sliding plate 30 to move radially along the mounting plate 13, when the sliding spring 31 is in a natural state, the blanking groove 26 is opened, and impurities such as dust in the positioning groove 6 can fall from the blanking groove 26 conveniently.

Referring to fig. 7 and 8, a driving mechanism for driving the sliding plate 30 to move towards the extension direction of the extension sliding spring 31 is provided on the positioning rod 14, a driving tooth slot 32 is provided on the upper end surface of the sliding plate 30, the driving mechanism comprises a driving gear 33 rotatably connected in the positioning rod 14, the driving gear 33 is meshed with the driving tooth slot 32, a driving rack 34 perpendicular to the positioning rod 14 is slidably provided in the positioning rod 14, the driving rack 34 is meshed with the driving gear 33, a driving rod 35 parallel to the driving rack 34 is integrally formed at the end part of the driving rack 34, the end part of the driving rod 35 far away from the driving rack 34 extends out of the positioning rod 14 and is smoothly connected with the outer wall of the positioning rod 14 when the driving rod 35 is accommodated in the positioning rod 14, and the forming of holes on the outer wall of the positioning rod 14 is prevented from affecting the molding quality of the metal cylinder. The staff can act on actuating lever 35, makes actuating lever 35 towards locating lever 14 internal motion, and actuating lever 35 tip is connected with locating lever 14 outer wall is smooth, and sliding plate 30 is closed with lower silo 26 and the outside sliding groove 29 of horizontal direction protrusion outside locating lever 14, and mounting disc 13 upper surface and good sliding plate 30 upper surface coaction form smooth plane, be convenient for with the butt of metal cylinder lower extreme face, reduce because of the mounting disc 13 up end has the hole and influence the quality of metal cylinder shaping.

Referring to fig. 7 and 8, a transmission gear 36 is coaxially fixed on a rotating shaft of the driving gear 33, a pressing rod 37 is slidably arranged on the positioning rod 14, the pressing rod 37 is parallel to the positioning rod 14, a vertically arranged transmission rack 38 is integrally formed at the lower end of the pressing rod 37, the transmission rack 38 is meshed with the transmission gear 36, and the upper end of the pressing rod 37 protrudes out of the upper end face of the positioning rod 14.

When the chamfer is formed in the inner wall of the lower end of the metal cylinder, a worker can directly sleeve the metal cylinder on the positioning rod 14, the driving rod 35 is pushed to move inwards under the effect of the chamfer, the blanking groove 26 is closed by the sliding plate 30, when the chamfer is not formed in the inner wall of the lower end of the metal cylinder, the worker can act on the pressing rod 37 firstly in the process of installing the metal cylinder, the pressing rod 37 drives the driving rack 38 to move, the driving gear 36 and the driving gear 33 are enabled to rotate, and the blanking groove 26 is closed by the sliding plate 30 conveniently.

Referring to fig. 4 and 5, a plurality of positioning blocks 39 are fixed on the upper surface of the base 8, the adjusting seat 9 is abutted to the upper surface of the base 8 and is located between the plurality of positioning blocks 39, a positioning screw 40 horizontally arranged is connected to the positioning blocks 39 in a threaded manner, the positioning screw 40 points to the adjusting block 11, a hand wheel 41 which is convenient for the positioning screw 40 to rotate is fixed at one end of the positioning screw 40, and an abutting block 42 which abuts against the side wall of the lower die 4 seat and prevents the adjusting seat 9 and the lower die 4 from moving is fixed at the other end of the positioning screw 40.

The application also discloses a processing technology of the hydraulic machine for processing the shaft sleeve parts, which comprises the following steps:

s1, according to the bulge position required to be formed, a worker can act on a driving motor 16, the driving motor 16 drives a driving screw rod 15 to rotate, the driving screw rod 15 drives a driving block 17 to move in the opposite direction, and under the action of a first guide surface 18 and a second guide surface 19, the driving screw rod 15 acts on an adjusting block 11 to enable the adjusting block 11 to drive an adjusting rod 12 and a positioning rod 14 to move in the vertical direction until the positioning rod 14 moves to a specified position;

s2, cleaning the positioning groove 6 in a blowing mode, so that impurities in the positioning groove 6 fall into the collecting box 28 below from the blanking groove 26;

s3, placing a metal cylinder to be processed into the positioning groove 6, penetrating the positioning rod 14 into the metal cylinder, and enabling the blanking groove 26 to be in a closed state;

s4, simultaneously starting the hydraulic machine body 1 and the oil cylinder 2, and enabling the upper die 5 to move downwards until the upper die 5 is abutted with the lower die 4, wherein the oil cylinder 2 stops working;

s5, the hydraulic press body 1 continues to work to drive the extrusion cylinder 3 to move downwards, the metal cylinder deforms in the storage groove 7 under the combined action of the extrusion cylinder 3, the mounting plate 13 and the positioning rod 14, and the metal cylinder forms a required bulge;

s6, starting the oil cylinder 2, enabling the upper die 5 to move upwards, enabling the hydraulic press body 1 to drive the extrusion cylinder 3 to move upwards, separating the upper die 5 from the lower die 4, and facilitating the staff to take out the machined parts.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (6)

1. The utility model provides a hydraulic press is used in axle sleeve class part processing, includes hydraulic press body (1), lower mould (4) of setting on the workstation, sets up hydro-cylinder (2) on hydraulic press body (1), connects at hydro-cylinder (2) output and with lower mould (4) coaction go up mould (5) and connect on hydraulic press body (1) drift and be used for extrusion cylinder (3) of metal tube, lower mould (4) and last mould (5) are opened and are seted up constant head tank (6) that are used for spacing metal tube and are used for making the metal tube form take in groove (7) that outwards swells, its characterized in that: the automatic feeding device is characterized in that an adjusting seat (9) is connected to the workbench, the lower die (4) is fixed on the adjusting seat (9), a positioning groove (6) vertically penetrates through the lower die (4) and the upper die (5), an extrusion cylinder (3) is arranged in the positioning groove (6) in a penetrating manner in the upper die (5), an installation groove (10) is formed in the upper end face of the adjusting seat (9), an adjusting block (11) moving in the vertical direction is slidably arranged in the installation groove (10), an adjusting rod (12) which is vertically arranged and penetrates through the positioning groove (6) is fixed on the adjusting block (11), a positioning rod (14) penetrating through the metal cylinder is coaxially arranged at the upper end of the adjusting rod (12), and an adjusting mechanism for driving the adjusting block (11) to move in the vertical direction is arranged in the installation groove (10); the adjusting mechanism comprises a driving screw (15) rotationally connected in a mounting groove (10), a driving motor (16) for enabling the driving screw (15) to rotate is fixed in the mounting groove (10), threads on the outer wall of the driving screw (15) rotate oppositely from the center to two ends, two driving blocks (17) are sleeved on the driving screw (15), the driving blocks (17) are symmetrically arranged on the driving screw (15) and are in threaded connection with the driving screw (15), the adjusting blocks (11) are slidingly connected on the two driving blocks (17), first guide surfaces (18) are formed on the opposite surfaces of the two driving blocks (17), second guide surfaces (19) parallel to the corresponding first guide surfaces (18) are formed on the opposite side walls of the driving blocks (17), and the first guide surfaces (18) are abutted to the corresponding second guide surfaces (19) and enable the adjusting blocks (11) to move in the vertical direction when the driving blocks (17) move in opposite directions; the second guide surface (19) is fixedly provided with a guide rod (20) with a T-shaped cross section, the guide rod (20) extends along the inclined direction corresponding to the second guide surface (19), and the first guide surface (18) is provided with a guide groove (21) with a T-shaped cross section and used for sliding and clamping the corresponding guide rod (20); the mounting plate (13) coaxial with the adjusting rod (12) is detachably connected to the adjusting rod (12), the positioning rod (14) is coaxially fixed to the upper end face of the mounting plate (13), a plurality of clamping grooves (22) are formed in the mounting plate (13) along the circumferential direction of the mounting plate, a plurality of clamping blocks (23) which are clamped in the corresponding clamping grooves (22) are fixed to the upper end face of the adjusting rod (12), an anti-falling plate (24) is fixed to the inner wall of the clamping grooves (22), and an anti-falling block (25) which is abutted to the upper surface of the anti-falling plate (24) through rotation and prevents the mounting plate (13) from moving along the axial direction of the mounting plate is fixed to the clamping blocks (23); the mounting plate (13) is axially provided with a blanking groove (26) penetrating through the mounting plate (13), the adjusting rod (12) and the adjusting block (11), and the mounting groove (10) is slidably provided with a collecting box (28) for collecting redundant waste materials and dust.

2. The hydraulic machine for machining shaft sleeve parts according to claim 1, wherein: the utility model discloses a blanking device is characterized by comprising a mounting plate (13), a locating rod (14) and a locating plate (26), wherein the upper end face of the mounting plate (13) is provided with a sliding groove (29) which is communicated with the blanking groove (26) and extends to the bottom of the locating rod (14), a sliding plate (30) which is used for closing the blanking groove (26) and is flush with the upper end face of the mounting plate (13) is arranged in the sliding groove (29), a sliding spring (31) which pulls the sliding plate (30) to move radially along the mounting plate (13) and open the blanking groove (26) is fixed in the sliding groove (29), and a driving mechanism which drives the sliding plate (30) to move towards the stretching sliding spring (31) and close the blanking groove (26) is arranged on the locating rod (14).

3. The hydraulic machine for machining shaft sleeve parts according to claim 2, wherein: the driving tooth groove (32) is formed in the upper end face of the sliding plate (30), the driving mechanism comprises a driving gear (33) which is rotationally connected in the positioning rod (14) and meshed with the driving tooth groove (32), a driving rack (34) which is perpendicular to the positioning rod (14) and meshed with the driving gear (33) is slidably arranged in the positioning rod (14), a driving rod (35) which is parallel to the driving rack (34) is connected to the end portion of the driving rack (34), the driving rod (35) is in sliding connection with the positioning rod (14) and is connected with the lower groove (26) when the sliding plate (30) is closed, and the end portion of the driving rod (35) is connected with the outer wall of the positioning rod (14) in a smooth mode.

4. A hydraulic machine for machining shaft sleeve parts according to claim 3, characterized in that: the driving gear (33) is coaxially fixed with a transmission gear (36) in a rotating shaft, the positioning rod (14) is slidably provided with a pressing rod (37), the pressing rod (37) is parallel to the positioning rod (14), the lower end of the pressing rod (37) is fixedly provided with a transmission rack (38) meshed with the transmission gear (36), and the upper end of the pressing rod protrudes out of the upper end face of the positioning rod (14).

5. The hydraulic machine for machining shaft sleeve parts according to claim 1, wherein: the workbench is characterized in that a base (8) is fixed on the upper surface of the workbench, a plurality of positioning blocks (39) are fixed on the base (8), the adjusting seat (9) is abutted to the upper surface of the base (8) and located between the positioning blocks (39), a positioning screw (40) which is horizontally arranged is connected to the positioning blocks (39) in a threaded mode, an abutting block (42) which is abutted to the side wall of the lower die (4) is fixed at one end of the positioning screw (40), and a hand wheel (41) which is convenient for the positioning screw (40) to rotate is fixed at the other end of the positioning screw.

6. A processing technology using the hydraulic machine for processing shaft sleeve parts according to claim 5, which is characterized by comprising the following steps:

s1, acting on the adjusting block (11) according to the bulge position required to be formed, so that the adjusting block (11) drives the adjusting rod (12) and the positioning rod (14) to move in the vertical direction until the positioning rod (14) moves to a specified position;

s2, placing the metal cylinder to be processed into a positioning groove (6);

s3, starting the hydraulic machine body (1) and the oil cylinder (2) simultaneously, and enabling the upper die (5) to move downwards until the upper die (5) is abutted with the lower die (4), wherein the oil cylinder (2) stops working;

s4, the hydraulic machine body (1) continues to work to drive the extrusion cylinder (3) to move downwards until the metal cylinder is processed into a required part;

s5, starting the oil cylinder (2), enabling the upper die (5) and the extrusion cylinder (3) to move upwards, and taking out the machined parts by workers.