Automatic spline machining device

Abstract

The application provides an automatic spline machining device. The automatic spline machining device comprises a base, two side frame plates are fixedly installed on the top of the base, the same top plate is fixedly installed on the top of the two side frame plates, the oil cylinder one is fixedly installed on the top of the top plate, the output shaft of the oil cylinder one penetrates through the top plate and is movably connected with the top plate, the connecting seat one is fixedly installed on the output shaft of the oil cylinder one, the connecting seat two is arranged above the base, the insertion slots are arranged on the sides of the connecting seat one and the connecting seat two which are close to each other, the connecting blocks are fixedly installed on the top end and the bottom end of the broach, and the top of the upper connecting block extends into the insertion slot on the connecting seat one. The automatic spline machining device has the advantages of being capable of greatly reducing the manual operation time and improving the spline drawing efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the spline machining technical field, and particularly relates to an automatic spline machining equipment. BACKGROUND

[0002] The spline connection is mostly composed of inner splines and outer splines. The inner splines and the outer splines are both multi-toothed parts. The splines on the inner cylindrical surface are inner splines, and the splines on the outer cylindrical surface are outer splines. The inner splines and the outer splines can be matched to form spline connection, so that two cylinders can be connected through sliding, and synchronous rotation can be formed when rotating. In the production and manufacturing of splines, a broach is usually directly inserted into an inner circle from top to bottom in a linear manner to pull the inner circle wall through the teeth on the broach, so as to finally form splines.

[0003] However, it is found in actual operation that the operations such as taking products and inserting broaches need to be manually performed. The operation time of the staff is long, the process is many, and each process needs to be manually operated, so the efficiency is low. When pulling splines, one person pulls splines, and one person maintains the broach by applying oil, so that the overall work efficiency is low.

[0004] Therefore, it is necessary to provide an automatic spline machining equipment to solve the above technical problems. SUMMARY

[0005] The technical problem solved by the present application is to provide an automatic spline machining equipment which can greatly reduce the manual operation time and improve the spline pulling efficiency.

[0006] To solve the above technical problems, the automatic spline machining equipment provided by the present application comprises a base, two side frame plates are fixedly installed on the top of the base, the same top plate is fixedly installed on the top of the two side frame plates, the oil cylinder one is fixedly installed on the top of the top plate, the output shaft of the oil cylinder one penetrates through the top plate and is movably connected with the top plate, the connecting seat one is fixedly installed on the output shaft of the oil cylinder one, the connecting seat two is arranged above the base, the insertion slots are formed on the sides of the connecting seat one and the connecting seat two, the pull broach is arranged below the connecting seat one, the connecting blocks are fixedly installed on the top end and the bottom end of the pull broach, the top of the upper connecting block extends into the insertion slot on the connecting seat one, the bearing table is arranged above the connecting seat two, the sliding table is slidably installed above the bearing table, the placing seat is fixedly installed on the top of the sliding table, the connecting frame is fixedly installed on the bottom of the bearing table, the two oil cylinder twos are fixedly installed on the top of the base, the output shafts of the two oil cylinder twos are fixedly connected with the connecting frame, the two rodless cylinders are fixedly installed on the bottom of the bearing table, the guide rods are fixedly installed on the sliding blocks of the two rodless cylinders, the same adapter plate is fixedly installed on the same direction ends of the two guide rods, the two adapter rods are fixedly installed on the side of the adapter plate close to the bearing table, the same direction ends of the two adapter rods are fixedly connected with the sliding table, and the oil injection pipe is slidably installed on one of the side frame plates.

[0007] By adopting the above technical scheme, relative movement can be formed between the workpiece and the pull broach, so that the automatic pull broach process can be realized.

[0008] Preferably, the positioning grooves are formed on the two sides of the two connecting blocks, the telescopic cylinders one are fixedly installed on the two sides of the connecting seat one, the positioning columns one are fixedly installed on the output shafts of the two telescopic cylinders one, the same direction ends of the two positioning columns one extend into the corresponding positioning grooves, and the positioning columns one are slidably connected with the connecting seat one, the telescopic cylinders two are fixedly installed on the two sides of the connecting seat two, the positioning columns two are fixedly installed on the output shafts of the two telescopic cylinders two, the positioning columns two are slidably connected with the connecting seat two, and the positioning columns one and the positioning columns two are matched with the corresponding positioning grooves, the two support columns are fixedly installed on the top of the base, the same support table is fixedly installed on the top ends of the two support columns, and the support table is fixedly connected with the connecting seat two.

[0009] By adopting the above technical scheme, reliable and stable fixed connection can be formed on the pull broach.

[0010] Preferably, the top of the base is fixedly provided with a receiving hopper, the two oil cylinders and the two struts are all penetrating through the receiving hopper and are sealingly fixedly connected with the receiving hopper, the bottom end of the receiving hopper is fixedly provided with a waste liquid pipe, and one end of the waste liquid pipe penetrates through the corresponding side frame plate.

[0011] By adopting the technical scheme, the used cutting oil can be collected and recycled.

[0012] Preferably, two protective covers are fixedly arranged on the two side frame plates, two protective doors are slidingly arranged on the sides away from each other of the two protective covers, and the two protective doors are in contact with each other, two telescopic cylinders are fixedly arranged on the two protective covers, and connecting plates are fixedly arranged on the output shafts of the telescopic cylinders.

[0013] By adopting the technical scheme, the iron filings can be prevented from splashing and causing damage to the human body.

[0014] Preferably, an oil pump is fixedly arranged on the corresponding side frame plate, one end of a bellows is fixedly arranged on the oil outlet of the oil pump, and the other end of the bellows is fixedly connected with the oil injection pipe.

[0015] By adopting the technical scheme, the oil injection pipe can be lifted and lowered along with the lifting of the bearing table.

[0016] Preferably, the bearing table and the connecting frame are both provided with a first avoiding hole, the broach is matched with the first avoiding hole, the slide table is provided with two second avoiding holes, the second avoiding holes are matched with the first avoiding hole, and a counterbore is arranged on the placing seat and matched with the second avoiding holes.

[0017] By adopting the technical scheme, the broach can smoothly pass through the bearing table, the slide table and the connecting frame.

[0018] Preferably, the top of the bearing table is fixedly provided with two slide rails, two slide blocks are slidingly arranged on the two slide rails, and the top of each of the four slide blocks is fixedly connected with the slide table.

[0019] By adopting the technical scheme, the slide table can be provided with stable linear sliding.

[0020] Preferably, the protective cover and the protective door are both made of transparent plastic material.

[0021] By adopting the technical scheme, the staff can still observe the whole process of internal drawing during the drawing processing.

[0022] Preferably, two arc-shaped pipes are arranged below the top plate, the arc-shaped pipes are matched with the drawbar, and three air nozzles are fixedly installed on the inner walls of the two arc-shaped pipes.

[0023] By adopting the above technical scheme, the drawbar can be thoroughly cleaned of iron filings

[0024] Preferably, a ring pipe is arranged above the top plate, the oil cylinder one penetrates through the ring pipe, two connecting pipes one are fixedly installed on the top plate, the top ends of the two connecting pipes one are fixedly connected with the ring pipe, corrugated pipes two are fixedly installed at the bottom ends of the two connecting pipes one, connecting pipes two are fixedly installed at the ends of the two corrugated pipes two away from each other, the ends of the two connecting pipes two close to each other are fixedly connected with the corresponding arc-shaped pipes, the sides of the two side frame plates away from each other are fixedly installed with telescopic cylinders four, the output shafts of the two telescopic cylinders four penetrate through the corresponding side frame plates and are fixedly connected with the corresponding connecting pipes two, and the output shafts of the telescopic cylinders four are movably connected with the side frame plates.

[0025] By adopting the above technical scheme, the two arc-shaped pipes can be attached and separated, so as not to hinder the normal lifting of the drawbar.

[0026] Compared with the related art, the automatic spline machining device provided by the present application has the following beneficial effects:

[0027] The automatic spline machining device provided by the present application can automatically realize the relative movement between the workpiece and the drawbar, thereby automatically realizing the draw process. In addition, the drawbar can be automatically clamped and fixed by the connecting seat one and the connecting seat two and the positioning columns one and two inside the connecting seat one and the connecting seat two. When the workpiece is taken out, the drawbar can be automatically brought back to the original height position. The entire process only needs manual workpiece taking and placing, and other steps do not need manual operation, thereby reducing manual intervention, improving convenience, and improving work efficiency. In addition, the transparent protective cover and the protective door can isolate and protect during the draw process, thereby preventing the splashing iron filings from causing personal injury to the workers. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 FIG. 1 is a front view of an automatic spline machining device according to a first embodiment of the present application;

[0029] Figure 2 FIG. 2 is another front view of the automatic spline machining device according to the first embodiment of the present application;

[0030] Figure 3The connection structure schematic diagram of the bearing table, the sliding table and the connecting frame in the first embodiment of the automatic spline machining equipment provided in the application;

[0031] Figure 4 The side view structure schematic diagram of the first embodiment of the automatic spline machining equipment provided in the application;

[0032] Figure 5 The connection structure schematic diagram of the oil cylinder two, the supporting table and the receiving hopper in the first embodiment of the automatic spline machining equipment provided in the application;

[0033] Figure 6 The connection structure schematic diagram of the connecting seat one and the broach in the first embodiment of the automatic spline machining equipment provided in the application;

[0034] Figure 7 The cross-sectional connection structure schematic diagram of the connecting seat one and the broach in the first embodiment of the automatic spline machining equipment provided in the application;

[0035] Figure 8 The connection structure schematic diagram of the connecting seat two and the supporting table in the first embodiment of the automatic spline machining equipment provided in the application;

[0036] Figure 9 The cross-sectional structure schematic diagram of the connecting seat two in the first embodiment of the automatic spline machining equipment provided in the application;

[0037] Figure 10 The top view structure schematic diagram of the bearing table and the sliding table in the first embodiment of the automatic spline machining equipment provided in the application;

[0038] Figure 11 The bottom view structure schematic diagram of the bearing table and the sliding table in the first embodiment of the automatic spline machining equipment provided in the application;

[0039] Figure 12 The front view schematic diagram of the second embodiment of the automatic spline machining equipment provided in the application;

[0040] Figure 13 The connection structure schematic diagram of the connecting pipe one and the top plate in the second embodiment of the automatic spline machining equipment provided in the application;

[0041] Figure 14 The connection structure schematic diagram of the ring pipe, the connecting pipe one, the corrugated pipe two, the connecting pipe two and the arc-shaped pipe in the second embodiment of the automatic spline machining equipment provided in the application.

[0042] The labels in the figure: 1, base; 2, side frame plate; 3, top plate; 4, oil cylinder one; 5, connecting seat one; 6, connecting seat two; 7, slot; 8, broach; 9, connecting block; 10, positioning groove; 11, telescopic cylinder one; 12, positioning column one; 13, telescopic cylinder two; 14, positioning column two; 15, bearing table; 16, sliding table; 17, placing seat; 18, connecting frame; 19, oil cylinder two; 20, rodless cylinder; 21, guide rod; 22, link plate; 23, link rod; 24, support table; 25, receiving hopper; 26, filter plate; 27, protective cover; 28, protective door; 29, telescopic cylinder three; 30, connecting sheet; 31, oil injection pipe; 32, oil pump; 33, bellows one; 34, ring pipe; 35, connecting pipe one; 36, bellows two; 37, connecting pipe two; 38, arc pipe; 39, air injection nozzle; 40, telescopic cylinder four. DETAILED DESCRIPTION

[0043] The application will be further described below in conjunction with the drawings and embodiments.

[0044] First embodiment:

[0045] Please refer to Figures 1-11In the first embodiment of the present application, the automatic spline machining device comprises a base 1, two side frame plates 2 are fixedly installed on the top of the base 1, an oil injection pipe 31 is slidingly installed on one of the side frame plates 2, the same top plate 3 is fixedly installed on the top of the two side frame plates 2, the same oil cylinder I 4 is fixedly installed on the top of the top plate 3, the output shaft of the oil cylinder I 4 penetrates through the top plate 3 and is movably connected with the top plate 3, a connecting seat I 5 is fixedly installed on the output shaft of the oil cylinder I 4, a connecting seat II 6 is arranged above the base 1, the side close to each other of the connecting seat I 5 and the connecting seat II 6 is provided with a slot 7, a broach 8 is arranged below the connecting seat I 5, the top end and the bottom end of the broach 8 are fixedly installed with connecting blocks 9, the top of the upper connecting block 9 extends into the slot 7 on the connecting seat I 5, the two connecting blocks 9 are respectively matched with the size of the two slots 7, a bearing table 15 is arranged above the connecting seat II 6, two sliding rails are fixedly installed on the top of the bearing table 15, two sliding blocks are slidingly installed on the two sliding rails, the same sliding table 16 is fixedly installed on the top of the four sliding blocks, a placing seat 17 is fixedly installed on the top of the sliding table 16, the placing seat 17 is provided with a countersunk hole for placing a workpiece, the columnar part of the workpiece is inserted into the countersunk hole, so that the broach 8 can perform the spline drawing work, a supporting rod is fixed on the side of the bearing table 15, the top end of the supporting rod is fixed with the oil injection pipe 31, so as to form a fixed support for the oil injection pipe 31, a connecting frame 18 is fixedly installed on the bottom of the bearing table 15, two oil cylinders II 19 are fixedly installed on the top of the base 1, the output shafts of the two oil cylinders II 19 are fixedly connected with the connecting frame 18, the bearing table 15 can be lifted and lowered through the extension and retraction of the output shafts of the oil cylinders II 19, two rodless cylinders 20 are fixedly installed on the bottom of the bearing table 15, guide rods 21 are fixedly installed on the sliding blocks of the two rodless cylinders 20, the same connecting plate 22 is fixedly installed on the same end of the two guide rods 21, two connecting rods 23 are fixedly installed on the side close to the bearing table 15 of the connecting plate 22, the same end of the two connecting rods 23 is fixedly connected with the sliding table 16, the sliding table 16 can be moved by using the two sliding blocks on the rodless cylinders 20.

[0046] In the above manner, in order to form a reliable and stable fixed connection to the broach 8, positioning grooves 10 are formed on both sides of the two connecting blocks 9, telescopic cylinders 11 are fixedly installed on both sides of the connecting seat 5, positioning posts 12 are fixedly installed on the output shafts of the two telescopic cylinders 11, the ends of the two positioning posts 12 close to each other extend into the corresponding positioning grooves 10, and the positioning posts 12 are in sliding connection with the connecting seat 5, telescopic cylinders 13 are fixedly installed on both sides of the connecting seat 6, positioning posts 14 are fixedly installed on the output shafts of the two telescopic cylinders 13, the two positioning posts 14 are in sliding connection with the connecting seat 6, and the positioning posts 12 and the positioning posts 14 are matched with the corresponding positioning grooves 10, so that the cooperation between the positioning posts 12 or the positioning posts 14 and the positioning grooves 10 can form a reliable fixation to the broach 8, and in order to be able to fix and support the connecting seat 6, two support posts are fixedly installed on the top of the base 1, the same support table 24 is fixedly installed on the top ends of the two support posts, and the top of the support table 24 is in fixed connection with the connecting seat 6.

[0047] In the present manner, in order to be able to collect and recycle the cutting oil after use, a receiving hopper 25 is fixedly installed on the top of the base 1, the two oil cylinders 19 and the two support posts all penetrate the receiving hopper 25 and are in sealed fixed connection with the receiving hopper 25, the sealing mode can be achieved by using a sealing glue, and a waste liquid pipe is fixedly installed at the bottom end of the receiving hopper 25, one end of the waste liquid pipe penetrates the corresponding side frame plate 2.

[0048] In the present manner, in order to prevent iron filings from splashing and causing personal injury, two protective covers 27 are fixedly installed on the two side frame plates 2, two protective doors 28 are slidingly installed on the sides of the two protective covers 27 away from each other, and the two protective doors 28 are in contact with each other, and the overlapping between the two protective doors 28 and the two protective covers 27 can form an isolation space, so as to prevent iron filings from splashing onto the workers, and two telescopic cylinders 29 are fixedly installed on the two protective covers 27, four connecting plates 30 are fixedly installed on the output shafts of the four telescopic cylinders 29, and the four connecting plates 30 are in fixed connection with the corresponding protective doors 28, in addition, the protective covers 27 and the protective doors 28 are both made of transparent plastic material, so that people can see the process of pulling the flowers.

[0049] In the present manner, in order to make the oil injection pipe 31 ascend and descend with the lifting of the bearing table 15, an oil pump 32 is fixedly installed on the corresponding side frame plate 2, one end of a corrugated pipe 33 is fixedly installed on the oil outlet of the oil pump 32, and the other end of the corrugated pipe 33 is in fixed connection with the oil injection pipe 31, and the telescopic property of the corrugated pipe 33 can ensure the lifting function of the oil injection pipe 31.

[0050] In the present mode, in order to enable the puller 8 to smoothly shuttle the bearing table 15, the sliding table 16 and the connecting frame 18, the bearing table 15 and the connecting frame 18 are both provided with a relief hole one which is matched with the puller 8, the sliding table 16 is provided with two relief holes two which are matched with the relief hole one, and the counterbore is matched with the corresponding relief hole two.

[0051] In the present embodiment

[0052] In the initial state, the output shafts of the two telescopic cylinders one 11 are in the extended state, and the output shafts of the two telescopic cylinders two 13 are in the retracted state, that is, in this state, the positioning column two 14 has not been extended into the corresponding slot 7, in addition, the oil inlet of the oil pump 32 is connected in communication with the external cutting oil barrel through the external pipeline, and the free end of the waste liquid pipe is connected into the external waste liquid tank;

[0053] When it is necessary to perform pull processing on the workpiece, first place the workpiece on the placing seat 17, then start the two rodless cylinders 20, the sliding blocks on the two rodless cylinders 20 will move horizontally with the two guide rods 21, at the same time, under the joint action of the link plate 22 and the link rod 23, the sliding table 16 will also move horizontally, finally making the workpiece move to the position directly below the puller 8, then extend the output shaft of the oil cylinder one 4, the puller 8 will follow it and descend, the puller 8 will pass through the round hole on the workpiece, and in turn pass through the corresponding relief hole two and the two relief holes one, finally making the connecting block 9 at the bottom of the puller 8 inserted into the slot 7 on the connecting seat two 6, then retract the output shaft of the two telescopic cylinders one 11 to take out the two positioning column one 12 from the corresponding positioning slot 10, immediately, extend the output shaft of the two telescopic cylinders two 13 to take in the two positioning column two 14 into the corresponding positioning slot 10, thereby fixing the puller 8 on the connecting seat two 6;

[0054] Then retract the output shaft of the oil cylinder one 4 to take back the connecting seat one 5 to the original height position, immediately, extend the output shaft of the two oil cylinders two 19, and with the extension of the output shafts of the two oil cylinders two 19, the bearing table 15 will be lifted up, and at the same time of lifting up, the wall of the round hole on the workpiece will be in contact with the convex teeth on the puller 8, thereby starting the pull work, until the puller 8 is lifted to separate from the sliding table 16, then start the two rodless cylinders 20 again, the sliding blocks on the two rodless cylinders 20 will move back, thereby pushing the sliding table 16 to move in the opposite direction, finally making the sliding table 16 return to the original position;

[0055] Then, the output shafts of the two oil cylinders two 19 are retracted, and the output shaft of the oil cylinder one 4 is extended, at this time, the connecting seat one 5 and the bearing table 15 are lowered at the same time, so that the broach 8 passes through the corresponding avoiding hole two again and leaks out of the upper side of the sliding table 16, and at this time, the connecting seat one 5 is still descending, finally, the connecting block 9 at the top end of the broach 8 is inserted into the slot 7 on the connecting seat one 5, then the output shafts of the two telescopic cylinders two 13 are retracted first, the positioning column two 14 is taken out of the corresponding positioning groove 10, then the output shafts of the two telescopic cylinders one 11 are extended, the two positioning columns one 12 are taken into the corresponding positioning groove 10 again, then the output shaft of the oil cylinder one 4 is retracted, so that the broach 8 can be driven upward and finally returned to the original height position;

[0056] At the same time of running the above steps, the output shafts of the four telescopic cylinders three 29 can also be extended, under the driving of the four connecting pieces 30, the four protective doors 28 will be opened, at this time, the workers can take down the workpiece with a pattern and then put the next workpiece to be processed, then the pattern processing can be continued in the same way as described above;

[0057] At the same time of running the above pattern processing, the oil pump 32 can be started, the oil pump 32 can extract the cutting oil and spray it to the pattern position between the workpiece and the broach 8 through the oil injection pipe 31, so as to play a role of cooling, lubricating and chip removal, and at the same time of spraying, the used cutting oil can automatically flow to the receiving hopper 25 and then be filtered by the filter plate 26 and discharged to the external waste tank.

[0058] Compared with the related art, the automatic spline machining device provided by the present application has the following beneficial effects:

[0059] The oil cylinder one 4 and the oil cylinder two 19 can automatically realize the relative movement between the workpiece and the broach 8, so as to automatically realize the pattern processing, the connecting seat one 5 and the connecting seat two 6 and the positioning column one 12 and the positioning column two 14 inside them can automatically clamp and fix the broach 8, and when the workpiece is taken out, the broach 8 can be automatically taken back to the original height position, the whole process only needs to manually take and place the workpiece, other steps do not need manual operation, which reduces the manual intervention, improves the convenience and improves the work efficiency, in addition, the transparent protective cover 27 and the protective door 28 can play a role of isolation and protection during the pattern processing, so as to prevent the splashing iron filings from causing personal injury to the workers.

[0060] Second embodiment:

[0061] Based on the automatic spline machining device provided by the first embodiment of the present application, the second embodiment of the present application proposes another automatic spline machining device. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0062] The second embodiment of the present application will be further described below in combination with the drawings and embodiments.

[0063] Please refer to Figures 12-14 The automatic spline machining device further comprises two arc-shaped pipes 38, which can surround the broach 8 in the fitted state, and the two arc-shaped pipes 38 are arranged below the top plate 3. Three gas nozzles 39 are fixedly installed on the inner walls of the two arc-shaped pipes 38, so that six gas nozzles 39 are formed and distributed in a ring shape, thereby ensuring that the broach 8 is thoroughly cleaned of iron filings.

[0064] In the above mode, in order to fit and separate the two arc-shaped pipes 38, a ring pipe 34 is arranged above the top plate 3, the oil cylinder one 4 penetrates the ring pipe 34, two connecting pipes one 35 are fixedly installed on the top plate 3, the top ends of the two connecting pipes one 35 are fixedly connected with the ring pipe 34, corrugated pipes two 36 are fixedly installed at the bottom ends of the two connecting pipes one 35, connecting pipes two 37 are fixedly installed at the ends of the two corrugated pipes two 36 away from each other, the ends of the two connecting pipes two 37 close to each other are fixedly connected with the corresponding arc-shaped pipes 38, and the sides of the two side frame plates 2 away from each other are fixedly installed with telescopic cylinders four 40, the output shafts of the two telescopic cylinders four 40 penetrate the corresponding side frame plates 2 and are fixedly connected with the corresponding connecting pipes two 37, and the output shafts of the telescopic cylinders four 40 are movably connected with the side frame plates 2. By telescoping the output shafts of the telescopic cylinders four 40, the fitting and separation of the two arc-shaped pipes 38 can be realized.

[0065] In the present embodiment

[0066] The ring pipe 34 is connected in communication with the external air pump through an external pipeline;

[0067] When the workers take and place the workpieces, the output shafts of the two telescopic cylinders four 40 are first extended, so that the two arc-shaped pipes 38 are in contact with each other, thereby surrounding the broach 8, then the external air pump is started, high-pressure gas is sprayed out of the gas nozzles 39 and sprayed onto the broach 8, then the output shaft of the oil cylinder one 4 is extended, the broach 8 is lowered, and at the same time, the sprayed high-pressure gas cleans the iron filings on the broach 8, until all the iron filings are cleaned, the output shaft of the oil cylinder one 4 is retracted, and at this time, the workers have finished replacing the workpieces, so that the broach processing can be continued.

[0068] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection scope of the present application.

Claims

1. An automatic spline processing device, comprising a base (1), wherein two side frame plates (2) are fixedly installed on the top of the base (1), and the top of the two side frame plates (2) is fixedly installed with the same top plate (3), characterized in that, A hydraulic cylinder (4) is fixedly installed on the top of the top plate (3). The output shaft of the hydraulic cylinder (4) passes through the top plate (3) and is movably connected to the top plate (3). A connecting seat (5) is fixedly installed on the output shaft of the hydraulic cylinder (4). A connecting seat (6) is provided above the base (1). Slots (7) are provided on the side of the connecting seat (5) and the connecting seat (6) that are close to each other. A puller (8) is provided below the connecting seat (5). A connecting block (9) is fixedly installed at the top and bottom of the puller (8). The top of the connecting block (9) located above extends into the slot (7) on the connecting seat (5). A support platform (15) is provided above the connecting seat (6). A slide (16) is slidably installed above the support platform (15). The top of the slide (16) A placement seat (17) is fixedly installed on the base (15). A connecting frame (18) is fixedly installed on the bottom of the support platform (15). Two hydraulic cylinders (19) are fixedly installed on the top of the base (1). The output shafts of the two hydraulic cylinders (19) are fixedly connected to the connecting frame (18). Two rodless cylinders (20) are fixedly installed on the bottom of the support platform (15). Guide rods (21) are fixedly installed on the sliders of the two rodless cylinders (20). The same connecting plate (22) is fixedly installed on the same end of the two guide rods (21). Two connecting rods (23) are fixedly installed on the side of the connecting plate (22) near the support platform (15). The same end of the two connecting rods (23) is fixedly connected to the slide (16). An oil injection pipe (31) is slidably installed on one of the side frame plates (2). Two arc-shaped tubes (38) are provided below the top plate (3). The arc-shaped tubes (38) are adapted to the pull knife (8). Three air nozzles (39) are fixedly installed on the inner wall of each of the two arc-shaped tubes (38). A ring pipe (34) is provided above the top plate (3). The first oil cylinder (4) passes through the ring pipe (34). Two connecting pipes (35) are fixedly installed on the top plate (3). The top ends of the two connecting pipes (35) are fixedly connected to the ring pipe (34). Corrugated pipes (36) are fixedly installed at the bottom ends of the two connecting pipes (35). Connecting pipes (37) are fixedly installed at the ends of the two corrugated pipes (36) that are far apart from each other. Connecting pipes (37) are fixedly connected at the ends of the two connecting pipes (37) that are close to each other. And telescopic cylinders (40) are fixedly installed on the sides of the two side frames (2) that are far apart from each other. The output shafts of the two telescopic cylinders (40) pass through the corresponding side frames (2) and are fixedly connected to the corresponding connecting pipes (37). The output shafts of the telescopic cylinders (40) are movably connected to the side frames (2).

2. The automatic spline processing equipment according to claim 1, characterized in that, Both sides of the two connecting blocks (9) are provided with positioning grooves (10), and both sides of the connecting seat one (5) are fixedly installed with telescopic cylinder one (11). The output shafts of the two telescopic cylinders one (11) are fixedly installed with positioning pins one (12). The ends of the two positioning pins one (12) that are close to each other extend into the corresponding positioning grooves (10), and the positioning pins one (12) are slidably connected to the connecting seat one (5). Both sides of the connecting seat two (6) are fixedly installed with telescopic cylinder two (11). 3) Positioning pins 2 (14) are fixedly installed on the output shafts of the two telescopic cylinders 2 (13). The two positioning pins 2 (14) are slidably connected to the connecting seat 2 (6). The positioning pin 1 (12) and positioning pin 2 (14) are adapted to the corresponding positioning groove (10). Two pillars are fixedly installed on the top of the base (1). The top of the two pillars is fixedly installed on the same support platform (24). The top of the support platform (24) is fixedly connected to the connecting seat 2 (6).

3. The automatic spline processing equipment according to claim 2, characterized in that, The top of the base (1) is fixedly installed with a receiving bucket (25), and the two oil cylinders (19) and the two pillars pass through the receiving bucket (25) and are sealed and fixedly connected to the receiving bucket (25). The bottom end of the receiving bucket (25) is fixedly installed with a waste liquid pipe, and one end of the waste liquid pipe passes through the corresponding side frame plate (2).

4. The automatic spline processing equipment according to claim 2, characterized in that, Two protective covers (27) are fixedly installed on the two side frame plates (2). Two protective doors (28) are slidably installed on the side of the two protective covers (27) that are far apart from each other, and the corresponding two protective doors (28) are in contact with each other. Two telescopic cylinders (29) are fixedly installed on the two protective covers (27). Connecting pieces (30) are fixedly installed on the output shafts of the four telescopic cylinders (29). The four connecting pieces (30) are fixedly connected to the corresponding protective doors (28).

5. The automatic spline processing equipment according to claim 1, characterized in that, A corresponding oil pump (32) is fixedly installed on the side frame plate (2). One end of a corrugated pipe (33) is fixedly installed on the oil outlet of the oil pump (32). The other end of the corrugated pipe (33) is fixedly connected to the oil injection pipe (31).

6. The automatic spline processing equipment according to claim 1, characterized in that, Both the support platform (15) and the connecting frame (18) are provided with a first clearance hole. The puller (8) is adapted to the first clearance hole. The slide (16) is provided with two second clearance holes. The second clearance holes are adapted to the first clearance hole. The placement seat (17) is provided with a countersunk hole. The countersunk hole is adapted to the corresponding second clearance hole.

7. The automatic spline processing equipment according to claim 1, characterized in that, The top of the support platform (15) is fixedly installed with two slide rails, and two sliders are slidably installed on each of the two slide rails. The tops of the four sliders are fixedly connected to the slide platform (16).

8. The automatic spline processing equipment according to claim 4, characterized in that, Both the protective cover (27) and the protective door (28) are made of transparent plastic.

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