Shaft part sealing groove extrusion forming method and equipment

Abstract

The invention discloses an extrusion forming method and equipment for a sealing groove of a shaft part. The extrusion forming method comprises the following steps that S1, a profiling roller is designed according to the requirement of a finished product; s2, a profiling roller is installed on the thread rolling machine, and the profiling roller is connected with a transmission device on the thread rolling machine; s3, multiple sets of shaft parts to be machined are placed in the equipment, and the feeding position and the feeding position of the thread rolling machine are adjusted according to actual requirements; and S4, equipment is controlled to run, and automatic feeding operation is conducted on the shaft parts. The invention relates to the technical field of machining of sealing grooves of shaft parts, adopts a cold extrusion forming process in which a profiling roller is matched with a thread rolling machine to replace a traditional turning or forging method, realizes high-speed and continuous forming of the sealing grooves, can shorten the machining takt of a single piece to about 10 seconds, and greatly improves the production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sealing groove processing of shaft parts, in particular to a sealing groove extrusion forming method and equipment for shaft parts. BACKGROUND

[0002] Traditional sealing grooves of shaft parts are mostly processed in the following two ways: the first way is to form by turning, that is, to form by turning with a blade on a machining equipment; the second way is to form by forging, that is, to form by forging with a die in a forging process. These two ways have their own advantages and disadvantages. The machining forming way is mostly used for products with high sealing groove size requirements and complex structures, and various complex structure sealing grooves are formed by removing excess material through machining, but the machining process is additionally increased, the processing rhythm is long, and the cost is high. The forging forming way is mostly used for products with simple sealing groove structures and low size precision requirements, and the sealing groove is directly processed in the forging process without additional process, so the cost is low, but the precision is poor. SUMMARY

[0003] The present application aims to provide a sealing groove extrusion forming method and equipment for shaft parts to improve production efficiency and product processability.

[0004] To this end, the present application is implemented by the following technical scheme: a sealing groove extrusion forming method for shaft parts, comprising the following steps:

[0005] Step S1: design a profiling roller according to product requirements;

[0006] Step S2: install the profiling roller on a thread rolling machine and connect the profiling roller with a transmission device on the thread rolling machine;

[0007] Step S3: place multiple groups of shaft parts to be processed inside the equipment and adjust the feeding position and feeding position of the thread rolling machine according to actual needs;

[0008] Step S4: control the equipment to run and automatically feed the shaft parts;

[0009] Step S5: control the forming equipment to run, so that the two rotating profiling rollers start to close the gap, and after reaching the specified position, they are kept for a few seconds, and after contacting the shaft parts, they drive the shaft parts to rotate, at the same time, the material at the contact position of the shaft parts and the rollers starts to flow to both sides after being extruded, the heat generated by extrusion is taken away by the sprayed cooling oil, and the temperature of the rollers and the parts is controllable;

[0010] Step S6: after the sealing groove processing of the shaft parts is completed, control the two profiling rollers to separate and perform the unloading operation on the shaft parts.

[0011] The technical scheme also discloses a shaft part sealing groove extrusion forming equipment applied to the shaft part sealing groove extrusion forming method, and comprising a bottom plate, a support frame is arranged on one side of the bottom plate, an assembly plate is installed on the support frame, first guide grooves are arranged on the two sides of the upper side of the assembly plate, and a transmission part is slidably connected to the first guide grooves;

[0012] An angle steel is arranged on the upper side of the support frame, a second guide groove is arranged on the upper side of the angle steel, a limiting part is arranged on the upper side of the second guide groove, a rectangular through hole is formed in the assembly plate, clamping limiting assemblies are arranged on the two sides of the rectangular through hole, fixed sheets are arranged on the two sides of the upper side of the support frame, a connecting sheet is arranged on the inner side of the fixed sheet, an arc-shaped limiting sheet is arranged on one side of the connecting sheet, a conveying roller is arranged on the inner side of the arc-shaped limiting sheet, a circle of receiving grooves is uniformly formed in the conveying roller, a driving piece is arranged on the inner side of the fixed sheet, and one side of the driving piece is connected with the conveying roller;

[0013] The limiting part comprises an L-shaped base, an L-shaped piece is arranged on the L-shaped base, an inclined rod is arranged on the L-shaped piece, fixed bolts are inserted into the L-shaped base, a horizontal plate is arranged on the lower side of the angle steel, a fixed nut is arranged on the lower side of the horizontal plate, and the fixed bolts respectively penetrate through the second guide groove and the horizontal plate and are threadedly connected with the fixed bolts;

[0014] The transmission part comprises a moving frame, the moving frame is slidably connected with the second guide groove, a lead screw module is arranged on the lower side of the assembly plate, and the transmission frame is slidably connected with the lead screw module;

[0015] A machine body is arranged on the bottom plate, an extrusion forming part is arranged on the machine body, a transmission device is arranged on one side of the machine body, and the transmission device is connected with the extrusion forming part.

[0016] In the above scheme, the extrusion forming part comprises a fixed table, a first hydraulic cylinder is arranged on one side of the fixed table, a driving end of the first hydraulic cylinder penetrates through the fixed table and is connected with a mounting seat, the mounting seat is in a U shape, and a profiling roller is arranged in the mounting seat;

[0017] A horizontal rod is connected with the upper side of the fixed table, a collecting groove is arranged on the upper side of the machine body, conveying pumps are arranged on the two sides of the machine body, a conveying pipe is connected with one side of the conveying pump, a nozzle is arranged on one side of the conveying pipe, and the transmission device is rotationally connected with the profiling roller.

[0018] In the above scheme, the clamping limiting assembly comprises a second hydraulic cylinder, the second hydraulic cylinder is installed on one side of the assembly plate, a moving block is connected with an output end of the second hydraulic cylinder, and the output end of the second hydraulic cylinder extends into the rectangular through hole;

[0019] The assembling frame is connected with arc-shaped blocks, and the inner side of the arc-shaped blocks is uniformly provided with clamping wheels.

[0020] In the above scheme: the middle part of the upper side of the assembling plate is provided with an arc-shaped groove.

[0021] In the above scheme: the upper and lower sides of the arc-shaped limiting piece are provided with vertical plates.

[0022] In the above scheme: the upper side of the moving frame is provided with an arc-shaped push plate, which matches the arc-shaped groove.

[0023] In the above scheme: the inner upper side of the collecting groove is provided with a filter plate.

[0024] In the above scheme: the lower side of the L-shaped piece is provided with an inclined surface.

[0025] In the above scheme: the transmission device is provided with a control panel on one side.

[0026] The present application provides a kind of shaft parts sealing groove extrusion forming method and equipment, with following beneficial effects:

[0027] 1, using the cold extrusion forming process of profiled roller and thread rolling machine cooperation, replace traditional turning or forging method, realize the high-speed, continuous forming of sealing groove, single piece processing pace can be shortened to about 10 seconds, greatly improve production efficiency, simultaneously, this method does not need to remove material, reduce raw material waste, and profiled roller service life is as long as 500,000 times, significantly reduce single piece cost and production energy consumption, it is suitable for mass production scene, with outstanding economic and energy saving advantage;

[0028] 2, forming equipment integrates automatic feeding, clamping positioning, cooling lubrication and forming control in one, compact structure, easy operation, can be quickly to shaft parts automatic feeding, feeding, clamping and forming operation, overall operation efficiency is high, and different sealing groove type can be realized by changing profiled roller Quick change production, with good process adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the first three-dimensional structure schematic diagram of the present application.

[0030] Figure 2 It is the second three-dimensional structure schematic diagram (part) of the present application.

[0031] Figure 3 It is the third three-dimensional structure schematic diagram (part) of the present application.

[0032] Figure 4 It is the fourth three-dimensional structure schematic diagram (part) of the present application.

[0033] Figure 5 It is the fifth schematic view (part) of the application.

[0034] Figure 6 It is the sixth schematic view (part) of the application.

[0035] Figure 7 It is the seventh schematic view (part) of the application.

[0036] Figure 8 It is the eighth schematic view (part) of the application.

[0037] Figure 9 It is a partial front view of the application.

[0038] In the figure: 1, bottom plate, 2, support frame, 3, assembly plate, 4, first guide groove, 5, angle steel, 6, second guide groove, 7, fixing piece, 8, connecting piece, 9, arc limiting piece, 10, conveying roller, 11, driving part, 12, L-shaped base, 13, L-shaped part, 14, inclined rod, 15, fixing bolt, 16, cross plate, 17, fixing nut, 18, moving frame, 19, lead screw module, 20, machine body, 21, transmission device, 22, fixing table, 23, first hydraulic cylinder, 24, mounting seat, 25, profiling roller, 26, cross rod, 27, collecting groove, 28, conveying pump, 29, conveying pipe, 30, nozzle, 31, second hydraulic cylinder, 32, moving block, 33, assembly frame, 34, arc block, 35, clamping wheel, 36, arc slot, 37, vertical plate, 38, arc push plate, 39, filter plate, 40, control panel. DETAILED DESCRIPTION

[0039] All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor fall within the scope of protection of the present application.

[0040] As Figures 1-9 A shaft part sealing groove extrusion forming method, comprising the following steps:

[0041] Step S1: design the profiling roller 25 according to the finished product requirements;

[0042] Step S2: install the profiling roller 25 on the thread rolling machine, and connect the profiling roller 25 with the transmission device 21 on the thread rolling machine;

[0043] Step S3: place multiple groups of shaft parts to be processed inside the equipment, and adjust the feeding position and feeding position of the thread rolling machine according to actual needs;

[0044] Step S4: control the equipment to run, and automatically feed the shaft parts;

[0045] Step S5: control the forming equipment to run, make two rotating profiling rollers 25 start to close the gap, and keep pressure for a few seconds after reaching the specified position, and drive the shaft part to rotate after contacting with the shaft part, at the same time, the material at the contact position of the shaft part and the roller starts to flow to both sides after being extruded, the heat generated by extrusion is taken away by the sprayed cooling oil, and the temperature of the roller and the part is controllable;

[0046] Step S6: after the sealing groove machining of the shaft part is completed, control the two profiling rollers 25 to separate, and carry out the blanking operation on the shaft part.

[0047] The technical scheme also discloses an axial part sealing groove extrusion forming equipment applied to the axial part sealing groove extrusion forming method, which comprises a bottom plate 1, a supporting frame 2 is arranged on one side of the bottom plate 1, an assembly plate 3 is installed on the supporting frame 2, first guide grooves 4 are arranged on the upper sides of the two sides of the assembly plate 3, and transmission parts are slidably connected with the first guide grooves 4.

[0048] An angle steel 5 is arranged on the upper side of the supporting frame 2, a second guide groove 6 is arranged on the upper side of the angle steel 5, a limiting part is arranged on the upper side of the second guide groove 6, a rectangular through hole is formed in the assembly plate 3, clamping limiting assemblies are arranged on the two sides of the rectangular through hole, fixed sheets 7 are arranged on the upper sides of the two sides of the supporting frame 2, a connecting sheet 8 is arranged on the inner side of each fixed sheet 7, arc-shaped limiting sheets 9 are arranged on one side of the connecting sheet 8, conveying rollers 10 are arranged on the inner sides of the arc-shaped limiting sheets 9, a circle of accommodating grooves are uniformly formed in each conveying roller 10, drive parts 11 are arranged on the inner sides of the fixed sheets 7, and the driving ends of the drive parts 11 are located on one side of the conveying rollers 10.

[0049] The limiting part comprises an L-shaped base 12, an L-shaped part 13 is arranged on the L-shaped base 12, an inclined rod 14 is arranged on the L-shaped part 13, fixed bolts 15 are inserted into the L-shaped base 12, a horizontal plate 16 is arranged on the lower side of the angle steel 5, fixed nuts 17 are arranged on the lower side of the horizontal plate 16, and the fixed bolts 15 respectively pass through the second guide groove 6 and the horizontal plate 16 and are in threaded connection with the fixed bolts 15.

[0050] The transmission part comprises a moving frame 18, the moving frame 18 is slidably connected with the second guide groove 6, a lead screw module 19 is arranged on the lower side of the assembly plate 3, and the transmission frame is slidably connected with the lead screw module 19.

[0051] A machine body 20 is arranged on the bottom plate 1, an extrusion forming part is arranged on the machine body 20, a transmission device 21 is arranged on one side of the machine body 20, and the transmission device 21 is connected with the extrusion forming part.

[0052] The extrusion forming part comprises a fixed table 22, a first hydraulic cylinder 23 is arranged on one side of the fixed table 22, the driving end of the first hydraulic cylinder 23 penetrates through the fixed table 22 and is connected with a mounting seat 24, the mounting seat 24 is in a U shape and is provided with the profiling roller 25 arranged inside.

[0053] The upper side of the fixed table 22 is connected with a cross rod 26, the upper side of the machine body 20 is provided with a collecting groove 27, both sides of the machine body 20 are provided with conveying pumps 28, one side of the conveying pump 28 is connected with a conveying pipe 29, one side of the conveying pipe 29 is provided with a nozzle 30, and the transmission device 21 is rotationally connected with the profiling roller 25.

[0054] The clamping and limiting assembly comprises a second hydraulic cylinder 31 installed on one side of the assembly plate 3, and the output end of the second hydraulic cylinder 31 extends into the rectangular through hole, and the output end of the second hydraulic cylinder 31 is connected with a moving block 32.

[0055] The moving seat is provided with an assembly frame 33, the assembly frame 33 is connected with arc-shaped blocks 34, and the inner sides of the arc-shaped blocks 34 are uniformly provided with clamping wheels 35.

[0056] It should be noted that in the use process, first, the position of the L-shaped base 12 is adjusted along the first guide groove 4 according to the length of the shaft parts, the number of the L-shaped base 12 is four, after the adjustment of the L-shaped base 12 is completed, the L-shaped base 12 is fixed at the specified position by the cooperation of the fixing bolt 15, the fixing nut 17 and the cross plate 16, and the upper side of the L-shaped base 12 is also provided with an L-shaped part 13 and an inclined rod 14, after the fixing of the L-shaped base 12 is completed, the operator places a plurality of shaft parts between the two L-shaped parts 13, at this time, the plurality of shaft parts are distributed in an inverted triangular shape, and there is an interval between the two L-shaped parts 13, so that the shaft parts located at the lowermost side enter the inner sides of the two arc-shaped limiting pieces 9 through the vertical plates 37 on the upper sides of the arc-shaped limiting pieces 9, and the gap between the vertical plates 37 is small, so as to limit the number of falling shaft parts, thereby preventing the occurrence of the jamming condition;

[0057] Then the control driving part 11 operates to drive the conveying roller 10 to rotate, and cooperates with the arc-shaped groove 36 to drive the falling shaft parts to descend, along with the operation of the driving part 11, the shaft parts will fall into the arc-shaped groove 36 on the middle part of the upper side of the assembly plate 3, and the vertical plates 37 on the lower sides of the arc-shaped limiting pieces 9 can limit the shaft parts to prevent the shaft parts from deviating;

[0058] At this time, the lead screw module 19 operates to drive the moving frame 18 to move along the first guide groove 4, and the arc-shaped push plate 38 on the moving frame 18 can push the shaft parts located in the arc-shaped groove 36 to move, so that one side of the shaft parts moves to the upper side of the machine body 20, after the required machining part of the shaft parts reaches the specified position, the lead screw module 19 stops operating, wherein the upper side of the moving frame 18 is staggered with the vertical plate 37 to prevent motion interference;

[0059] At the same time, the second hydraulic cylinder 31 operates to drive the moving block 32 to move, and drives the arc-shaped block 34 to move through the assembly frame 33, and the two arc-shaped blocks 34 cooperate to clamp the shaft parts to prevent the shaft parts from deviating;

[0060] At this time, the first hydraulic cylinder 23 operates, so that the two rotating profiling rollers 25 begin to close the gap, and after reaching the specified position, the pressure is maintained for a few seconds. After the shaft part is contacted and rotated, the material at the contact position of the shaft part and the roller begins to flow to both sides after being extruded, and the heat generated by extrusion is taken away by the sprayed cooling oil, so that the temperature of the roller and the part is controllable. The lower side of the machine body 20 is provided with a collecting groove 27, which can collect the cooling oil. The inside of the collecting groove 27 can be provided with a refrigeration device to recool the cooling oil. The upper side of the collecting groove 27 is provided with a filter plate 39, which can remove impurities in the cooling oil. The re-cooled and filtered cooling oil can be transported through the delivery pump 28 and the delivery pipe 29, and then sprayed out from the nozzle 30, so as to form a refrigeration cycle.

[0061] The transmission device 21 can drive the profiling roller 25 to rotate. The transmission device 21 is a technology known to those skilled in the art, and thus will not be described here. While the profiling roller 25 rotates, the arc-shaped blocks 34 on the inside are uniformly provided with clamping wheels 35, which can clamp the shaft part without affecting the rotation of the shaft part. After the shaft part is extruded and formed in the sealing groove, the shaft part can be taken out from the discharge port of the transmission device 21. The transmission device 21 is provided with a control panel 40 on one side, which is convenient for the operator to control the equipment.

[0062] In summary, the method uses the cold extrusion forming process of the profiling roller 25 cooperating with the thread rolling machine to replace the traditional turning or forging method, realizes the high-speed and continuous forming of the sealing groove, and shortens the single-piece processing cycle to about 10 seconds, greatly improving the production efficiency. At the same time, the method does not need to remove the material, reduces the waste of raw materials, and the service life of the profiling roller 25 is as long as 500,000 times, which significantly reduces the single-piece cost and production energy consumption, and is suitable for mass production scenes, has outstanding economic and energy-saving advantages. The forming equipment integrates automatic feeding, clamping positioning, cooling and lubrication, and forming control in one, has compact structure and simple operation, can quickly perform automatic feeding, feeding, clamping and forming operations on the shaft part, has high overall operation efficiency, and can realize rapid production change of different sealing groove types by replacing the profiling roller 25, and has good process adaptability.

[0063] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A method of extrusion molding a sealing groove of a shaft part, characterized by, It comprises the following steps: Step S1: design the profiling roller (25) according to the finished product requirements; Step S2: install the profiling roller (25) on the thread rolling machine, and connect the profiling roller (25) with the transmission device (21) on the thread rolling machine; Step S3: place multiple groups of shaft parts to be processed inside the equipment, and adjust the feeding position and feeding position of the thread rolling machine according to actual needs; Step S4: control the equipment to run and automatically feed the shaft parts; Step S5: control the forming equipment to run, so that the two rotating profiling rollers (25) start to close the gap, and after reaching the specified position, they are kept for a few seconds, and after contacting with the shaft parts, they drive the shaft parts to rotate, at the same time, the material at the contact position of the shaft parts and the rollers starts to flow to both sides after being extruded, the heat generated by extrusion is taken away by the sprayed cooling oil, ensuring that the temperature of the rollers and the parts is controllable; Step S6: after the sealing groove machining of the shaft parts is completed, control the two profiling rollers (25) to separate, and carry out the discharging operation of the shaft parts.

2. A shaft part seal groove extrusion molding apparatus for use in the shaft part seal groove extrusion molding method as set forth in claim 1, characterized by, It comprises a bottom plate (1), one side of the bottom plate (1) is provided with a support frame (2), the support frame (2) is installed with an assembly plate (3), both sides of the upper side of the assembly plate (3) are provided with first guide grooves (4), the first guide grooves (4) are slidably connected with transmission parts; The upper side of the support frame (2) is provided with an angle steel (5), the upper side of the angle steel (5) is provided with a second guide groove (6), the upper side of the second guide groove (6) is provided with a limiting part, a rectangular through hole is formed in the assembly plate (3), clamping limiting assemblies are arranged on both sides of the rectangular through hole, the upper sides of both sides of the support frame (2) are provided with fixed sheets (7), the inner sides of the fixed sheets (7) are provided with connecting sheets (8), one side of the connecting sheet (8) is provided with an arc-shaped limiting sheet (9), the inner side of the arc-shaped limiting sheet (9) is provided with a conveying roller (10), a circle of receiving grooves are uniformly formed in the conveying roller (10), the inner side of the fixed sheet (7) is provided with a driving piece (11), and the driving end of the driving piece (11) is located on one side of the conveying roller (10); The limiting part comprises an L-shaped base (12), the L-shaped base (12) is provided with an L-shaped part (13), the L-shaped part (13) is provided with an inclined rod (14), the L-shaped base (12) is inserted with a fixed bolt (15), the lower side of the angle steel (5) is provided with a horizontal plate (16), the lower side of the horizontal plate (16) is provided with a fixed nut (17), and the lower side of the fixed bolt (15) penetrates the second guide groove (6) and the horizontal plate (16) respectively and is in threaded connection with the fixed bolt (15); The transmission part comprises a moving frame (18), the moving frame (18) is slidably connected with the second guide groove (6), and the lower side of the assembly plate (3) is provided with a lead screw module (19); the transmission frame is slidably connected with the lead screw module (19); The bottom plate (1) is provided with a machine body (20), the machine body (20) is provided with an extrusion forming part, one side of the machine body (20) is provided with a transmission device (21), and the transmission device (21) is connected with the extrusion forming part.

3. The apparatus for extrusion molding of a sealing groove of a shaft part according to claim 2, wherein The extrusion part includes a fixed table (22), one side of the fixed table (22) is provided with a first hydraulic cylinder (23), the driving end of the first hydraulic cylinder (23) penetrates the fixed table (22) and is connected with a mounting seat (24), the mounting seat (24) is U-shaped, and the mounting seat (24) is provided with a profiling roller (25) inside; The fixed table (22) is connected with a cross rod (26) on the upper side, the machine body (20) is provided with a collecting groove (27) on the upper side, the machine body (20) is provided with a conveying pump (28) on both sides, one side of the conveying pump (28) is connected with a conveying pipe (29), one side of the conveying pipe (29) is provided with a nozzle (30), and the transmission device (21) is rotatably connected with the profiling roller (25).

4. The apparatus according to claim 2, wherein The clamping limiting assembly includes a second hydraulic cylinder (31), the second hydraulic cylinder (31) is installed on one side of the assembly plate (3), the output end of the second hydraulic cylinder (31) extends into the rectangular through hole, and the output end of the second hydraulic cylinder (31) is connected with a moving block (32). The moving seat is provided with an assembly frame (33), the assembly frame (33) is connected with an arc-shaped block (34), and the arc-shaped block (34) is uniformly provided with clamping wheels (35) on the inner side.

5. The apparatus for extrusion molding of a sealing groove of a shaft part according to claim 2, wherein The assembly plate (3) is provided with an arc-shaped groove (36) in the middle portion on the upper side.

6. The apparatus for extrusion molding of a sealing groove of a shaft part according to claim 2, wherein The arc-shaped limiting piece (9) is provided with vertical plates (37) on both sides.

7. The apparatus according to claim 2, wherein The moving frame (18) is provided with an arc-shaped push plate (38) on the upper side, and the arc-shaped push plate (38) is matched with the arc-shaped groove (36).

8. The apparatus according to claim 3, wherein The collecting groove (27) is provided with a filter plate (39) on the upper side inside.

9. The apparatus according to claim 2, wherein The L-shaped piece (13) is provided with an inclined surface on the lower side.

10. The apparatus according to claim 2, wherein One side of the transmission device (21) is provided with a control panel (40).

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