CN115488386B - Valve body machining device - Google Patents

Abstract

The application discloses processingequipment of valve body relates to valve body processing equipment field, including the support of vertical setting, be provided with the workstation on the support, slide on the workstation and be provided with the base, be fixed with the anchor clamps that are used for the centre gripping valve body on the base, slide on the support and be provided with the mount table that moves in vertical direction, be provided with the drill bit and the pivoted driving motor of driver bit that are used for processing the part on the mount table, the mount table upper surface slides and is provided with a plurality of installation pieces, the drill bit that installation piece end to end just is used for processing different apertures sets up respectively in the installation piece, be provided with on the support and make the drill bit rotate the tool changing device of connection on the mount table. The tool changing device has the advantage of improving tool changing efficiency.

Description

Valve body machining device

Technical Field

The application relates to the field of valve body processing equipment, in particular to a valve body processing device.

Background

The valve mainly comprises a valve body, a valve plate and a valve seat, wherein the valve seat is arranged in the valve body, and the valve plate is arranged in the valve seat. After the valve body is formed, various mounting holes are drilled on the valve body, and drill bits with different sizes are required to drill due to different sizes of the mounting holes.

In the related art, in order to be convenient for carry out drilling to the valve body, can fix the valve body through anchor clamps generally, the drill bit drills at the appointed position on the valve body, and after the drilling is accomplished, the drill bit is changed to anchor clamps drive the valve body motion, drill other positions of valve body.

In the process of realizing the tool changing device, the inventor finds that at least the following problems exist in the technology, the tool changing efficiency of the valve body in the machining process often determines the valve body machining efficiency, manual tool changing is usually carried out for most small enterprises, the tool changing efficiency is greatly reduced, and advanced automation slides to equipment, so that the tool changing device is complex in structure and high in cost.

Disclosure of Invention

In order to improve the machining efficiency of the valve body, the application provides a machining device of the valve body.

The application provides a processingequipment of valve body adopts following technical scheme:

the utility model provides a processingequipment of valve body, includes the support of vertical setting, be provided with the workstation on the support, slide on the workstation and be provided with the base, be fixed with the anchor clamps that are used for the centre gripping valve body on the base, slide on the support and be provided with the mount table that moves in vertical direction, be provided with the drill bit and the pivoted driving motor of driver bit that are used for processing the part on the mount table, the mount table upper surface slides and is provided with a plurality of installation pieces, installation piece end to end and be used for processing the drill bit in different apertures to set up respectively in the installation piece, be provided with on the support and make the drill bit rotate the tool changing device of connection on the mount table.

Through adopting above-mentioned technical scheme, to wait to process the valve body to fix on anchor clamps, then adjust the positional relationship of anchor clamps, make drill bit and take the position of drilling to be located same vertical line, the drill bit pushes down and drills to it, after the drilling is accomplished, remove anchor clamps, then act on the tool changing device, make the installation piece that is connected with required drill bit move to the valve body directly over to accomplish the tool changing in-process and drill the valve body.

Optionally, the storage groove that runs through the installation piece has been seted up along vertical direction on the installation piece, set up the feed slot that runs through the installation piece along vertical direction on the mount table, tool changing device is including rotating the driven gear who connects in the mount table and with feed slot coaxial, the installation piece internal rotation is connected with the driving gear with driven gear meshing, driving motor drives driving gear rotates, the rotation groove that runs through driven gear has been seted up on the driven gear coaxially, the rotation groove is the ladder groove, the drill bit inserts in the rotation groove and the lower extreme protrudes outside the mount table, be fixed with the joint on the drill bit in the rotation groove and along with driven gear pivoted rotation piece, tool changing device still includes the coupling mechanism that makes the drill bit insert in the rotation groove smoothly.

Through adopting above-mentioned technical scheme, the rotation that waits to use moves directly over the valve body, under coupling mechanism's effect, makes the drill bit down motion to enter into the rotation inslot, driving motor drives drive gear and rotates, and drive gear drives driven gear and rotates, and driven gear drives drill bit pivoted in-process to the valve body.

Optionally, the joint groove has been seted up to the storage tank inside wall, coupling mechanism is including sliding the joint piece that sets up in the joint inslot, joint inslot is fixed with the joint spring that promotes joint piece towards storage inslot motion, the tip that the joint piece is close to storage tank is the truncated cone structure and diameter towards being close to joint spring one side increase gradually, the drill bit up end is fixed with the butt piece, the joint piece is located between butt piece and the rotating block and is used for supporting the butt piece, coupling mechanism is still including making the drill bit break away from the installation piece and be connected to the coupling assembling in the rotating groove.

Through adopting above-mentioned technical scheme, the drill bit is put into and is accomodate the inslot, and the joint piece is located between butt piece and the rotating block, prevents that the drill bit from upwards or downward movement, the location of the drill bit of being convenient for.

Optionally, coupling assembling is including fixing on the support and being the lift cylinder of vertical setting, the piston rod tip of lift cylinder is fixed with the connecting cylinder, the coaxial connecting bearing that is fixed with of terminal surface under the connecting cylinder, be fixed with the connection pad of butt in the butt piece on the connecting bearing inner race, the butt piece is located the connecting bearing and promotes the drill bit to be connected to on the driven gear under the effect of lift cylinder, the up end of connection pad is fixed with the magnet piece that is used for adsorbing the drill bit and drives drill bit upward movement.

Through adopting above-mentioned technical scheme, lift cylinder piston rod extends, and the connecting cylinder stretches into the storage tank, and the butt piece is located the connecting bearing and adsorbs on the magnet piece, and lift cylinder piston rod continues to extend, makes the drill bit enter into the rotation inslot to rotate along with driven gear together.

Optionally, be provided with the actuating mechanism of drive installation piece motion on the mount table, the actuating groove has been seted up to the lateral wall of installation piece bottom, the actuating groove is dislocation set with accomodating the groove, another lateral wall of installation piece bottom has seted up curved guide surface, the one end that the actuating groove was kept away from to the guide surface is located the highest point and this department is high with the highest department of actuating groove, the mount table lateral wall is fixed with the actuating cylinder, actuating cylinder connecting rod end fixing has a telescopic cylinder, the telescopic cylinder is interior to slide and be provided with the telescopic link, be provided with the telescopic spring that promotes the telescopic link towards the telescopic cylinder outward motion in the telescopic cylinder, the telescopic link upper end is located the actuating groove, and when actuating cylinder connecting rod extension, the telescopic link promotes the installation piece motion and makes accomodate groove and send the sword groove alignment, the actuating cylinder connecting rod shortens, the telescopic link returns to in the actuating groove of another installation piece under the guide surface effect.

Through adopting above-mentioned technical scheme, when magnet piece drive drill bit upward movement's in-process, the joint piece acts on the rotor block, makes the drill bit stay in accomodating the inslot, and the joint piece butt is at the lower terminal surface of butt piece, and actuating cylinder starts, promotes the installation piece and moves forward, makes another installation piece be located the valve body directly over, and actuating cylinder connecting rod is at the in-process that shortens, under the effect of guide surface, avoids producing the interference, makes the telescopic link be located the actuating groove of another installation piece.

Optionally, the base includes the first sliding seat that slides on the setting workstation first sliding seat is last to slide and is provided with the second sliding seat, first sliding seat and second sliding seat are mutually perpendicular for the direction of motion of base, first sliding seat and second sliding seat all drive through lead screw slider structure, anchor clamps are fixed on the second sliding seat.

Through adopting above-mentioned technical scheme, first sliding seat and second sliding seat pass through lead screw slider structural connection, can be in two directions motion for the base, the positional relationship of the regulation valve body of being convenient for to drill to the different positions of valve body.

Optionally, anchor clamps are including dismantling the mounting disc of connection on the second sliding seat, be fixed with a plurality of gag lever posts that are vertical setting and butt in the valve body lateral wall on the mounting disc, the mounting disc is provided with the mounting bracket, rotate on the mounting bracket and be connected with the depression bar that rotates on vertical direction, fixed hydro-cylinder on the mounting disc, the hydro-cylinder piston axle is vertical setting, hydro-cylinder piston rod tip rotates to be connected on the depression bar to thereby promote the depression bar rotation makes the depression bar tip compress tightly the valve body.

Through adopting above-mentioned technical scheme, place the mounting disc with the valve body on, the gag lever post is spacing to the valve body, acts on the hydro-cylinder, makes the hydro-cylinder drive the depression bar and rotates to make the depression bar compress tightly the valve body.

Optionally, the sliding tray has been seted up to the terminal surface under the depression bar, sliding block is provided with in the sliding tray sliding movement, it is connected with the extrusion bolt of vertical setting to rotate on the sliding block, extrusion bolt threaded connection is on the depression bar and drive the depression bar and move in vertical direction, the sliding block lower extreme slides and is provided with the briquetting of sliding along depression bar length direction.

Through adopting above-mentioned technical scheme, through acting on extrusion bolt, adjust the briquetting height in vertical direction, be convenient for carry out the butt to the valve body of co-altitude not.

Optionally, the mounting bracket rotates to be connected on the mounting disc, the one end that the depression bar deviates from the briquetting is fixed with the arc pole that uses the mounting bracket pivot as the axle, set up on the arc pole with the coaxial arc groove of mounting bracket pivot, articulated on the hydro-cylinder piston rod have wear to establish the catch bar in the arc inslot, the catch bar lower extreme is fixed with the spacing ring of butt in the terminal surface under the arc pole, catch bar up end threaded connection has the stop nut that supports tightly in the arc pole up end and prevent the relative catch bar motion of arc pole.

Through adopting above-mentioned technical scheme, through the rotation mounting bracket, make depression bar tip towards different positions, be convenient for carry out the butt to the different positions of valve body upper surface.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a cross-sectional view of the tool changer.

Fig. 3 is a schematic structural view of the driving mechanism.

Fig. 4 is a schematic structural view of the jig.

Reference numerals illustrate:

1. a bracket; 2. a work table; 3. a first sliding seat; 4. a second sliding seat; 5. a mounting table; 6. a drill bit; 7. a driving motor; 8. a mounting block; 9. a storage groove; 10. a cutter feeding groove; 11. a driven gear; 12. a drive gear; 14. a rotating block; 15. a clamping groove; 16. a clamping block; 17. a clamping spring; 18. an abutment block; 19. a lifting cylinder; 20. a connecting cylinder; 21. connecting a bearing; 22. a connecting disc; 23. a magnet block; 24. a driving groove; 25. a guide surface; 26. a driving cylinder; 27. a telescopic cylinder; 28. a telescopic rod; 29. a telescopic spring; 30. a mounting plate; 31. a limit rod; 32. a mounting frame; 33. a compression bar; 34. a sliding groove; 35. a sliding block; 36. briquetting; 37. an arc-shaped rod; 38. an arc-shaped groove; 39. a push rod; 40. an oil cylinder; 41. a limiting ring; 42. and (5) limiting the nut.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a processing device of valve body.

Referring to fig. 1 and 2, a processing device of valve body, including fixing subaerial and be the support 1 of vertical setting, be fixed with on the support 1 and be the workstation 2 that the level set up, slide on the workstation 2 and be provided with the base, can dismantle on the base and be connected with the anchor clamps that are used for fixed valve body. The support 1 is provided with a mounting table 5 in a sliding manner, the mounting table 5 moves in the vertical direction under the action of a hydraulic mechanism, and the hydraulic mechanism can refer to structures such as a hydraulic machine and a lifter. The mounting table 5 is provided with a drill 6 for machining parts and a driving motor 7 for driving the drill 6 to rotate.

Referring to fig. 1, the base includes a first sliding seat 3 slidably disposed on an upper surface of the table 2 and a second sliding seat 4 slidably disposed on an upper surface of the first sliding seat 3, and the movement directions of the first sliding seat 3 and the second sliding seat 4 relative to the base are perpendicular to each other. The first sliding seat 3 and the second sliding seat 4 are driven through a screw rod sliding block structure, namely, sliding blocks are fixed on the lower surfaces of the first sliding seat 3 and the second sliding seat 4, screw rods are connected to the upper surface of the workbench 2 and the first sliding seat 3 in a rotating mode, the two screw rods are perpendicular to each other, a hand wheel convenient for screw rod rotation is fixed at the end portion of each screw rod, the screw rod on the first sliding seat 3 is in threaded connection with the sliding block on the second sliding seat 4, and the screw rod on the workbench 2 is in threaded connection with the sliding block on the first sliding seat 3. The clamp is fixed on the second sliding seat 4, and the position relation of the clamp is adjusted by rotating different screw rods.

Referring to fig. 1, the upper surface of the mounting table 5 is slidably provided with a plurality of mounting blocks 8, the mounting blocks 8 are connected end to end and are used for processing drills 6 with different apertures, the adjacent mounting blocks 8 can be connected in a hinge or other mode, the plurality of mounting blocks 8 can be arranged in a straight line or bent to form a closed ring, and the mounting is carried out according to the actual situation.

Referring to fig. 1 and 2, a holder 1 is provided with a tool changer for rotatably connecting a drill 6 to a mounting table 5. The accommodating groove 9 penetrating through the mounting block 8 is formed in the mounting block 8 in the vertical direction, the cutter feeding groove 10 penetrating through the mounting block 5 is formed in the mounting block 5 in the vertical direction, the cutter feeding groove 10 is coaxial with the corresponding accommodating groove 9, the cutter changing device comprises a driven gear 11 rotatably connected in the mounting block 5, the driven gear 11 is coaxial with the cutter feeding groove 10, a driving gear 12 meshed with the driven gear 11 is rotatably connected in the mounting block 8, and the driving motor 7 is fixed in the mounting block 8 and drives the driving gear 12 to rotate.

Referring to fig. 1 and 2, a rotation groove is coaxially formed in the driven gear 11, the rotation groove penetrates the driven gear 11 in the vertical direction, the rotation groove is a stepped groove, the inner diameter of the upper end of the rotation groove is larger than that of the lower end of the rotation groove, the drill bit 6 is inserted into the rotation groove, the lower end of the drill bit protrudes out of the mounting table 5, a rotation block 14 clamped in the rotation groove is fixed on the drill bit 6, the rotation block 14 and the rotation groove can be arranged to be in a regular polygon, and the drill bit 6 can be guaranteed to rotate along with the driven gear 11. In order to facilitate the drill bit 6 to smoothly enter the rotary groove, the upper end opening of the rotary groove can be made into a horn shape.

Referring to fig. 1 and 2, the tool changer further includes a connection mechanism for smoothly inserting the drill bit 6 into the rotary groove. Two clamping grooves 15 are formed in the inner side wall of the storage groove 9 along the horizontal direction, the two clamping grooves 15 are opposite, the connecting mechanism comprises clamping blocks 16 which are arranged in the clamping grooves 15 in a sliding mode, clamping springs 17 which push the clamping blocks 16 to move towards the storage groove 9 are fixed in the clamping grooves 15, when the clamping springs 17 are in a natural state, part of the clamping blocks 16 are located in the storage groove 9, the end portion, close to the storage groove 9, of the clamping blocks 16 is in a cone frustum structure, the diameter of the cone frustum is gradually increased towards one side, close to the clamping springs 17, of the clamping blocks 16, an abutting block 18 is fixed on the upper end face of the drill bit 6, the clamping blocks 16 are located between the abutting block 18 and the rotating block 14 and used for supporting the abutting block 18, and the drill bit 6 cannot be separated from the storage groove 9 upwards or downwards under the action of external force.

Referring to fig. 1 and 2, the connection mechanism further includes a connection assembly for disengaging the drill bit 6 from the mounting block 8 and connecting it to the rotating slot. The connecting assembly comprises a lifting cylinder 19 fixed at the upper end of the bracket 1, the lifting cylinder 19 is vertically arranged, a connecting cylinder 20 is coaxially fixed at the end part of a piston rod of the lifting cylinder 19, a connecting bearing 21 is coaxially fixed at the lower end surface of the connecting cylinder 20, a connecting bearing 21 ring is fixed on the piston rod of the lifting cylinder 19, a connecting disc 22 is coaxially fixed on an inner tube of the connecting bearing 21, when the piston rod of the lifting cylinder 19 stretches, the connecting cylinder 20 moves downwards, and an abutting block 18 is completely contained in the connecting bearing 21 and abuts against the connecting disc 22. A magnet block 23 is adsorbed in the connecting cylinder 20 on the upper end surface of the connecting disc 22, the magnet block 23 is used for adsorbing the abutting block 18, the clamping block 16 moves towards the clamping groove 15 in the process of continuously extending the piston rod of the lifting cylinder 19, and the abutting block 18 is always positioned in the connecting bearing 21 under the adsorption of the magnet block 23, so that the drill bit 6 can be conveniently and smoothly retracted into the rotating groove; when the piston rod of the lifting cylinder 19 is shortened, the drill bit 6 is driven to move upwards under the action of the magnet block 23 until the rotating block 14 separates the drill bit 6 from the connecting disc 22 under the action of the clamping rod 16.

Referring to fig. 2 and 3, a driving mechanism for driving the mounting block 8 to move is arranged on the mounting table 5, a driving groove 24 is formed in the side wall of the bottom of the mounting block 8, the driving groove 24 and the projection of the storage groove 9 on the horizontal plane are arranged in a staggered mode, an arc-shaped guide surface 25 is formed in the bottom of the mounting block 8 opposite to the wall of the other side of the driving groove 24, and one end, far away from the driving groove 24, of the guide surface 25 is located at the highest point and is at the same height as the highest position of the driving groove 24. The mounting table 5 lateral wall is fixed with and is the actuating cylinder 26 that the level set up, actuating cylinder 26 connecting rod end fixing has the telescopic cylinder 27 of vertical setting, the telescopic cylinder 27 internal sliding is provided with telescopic link 28, be provided with the telescopic spring 29 that promotes telescopic link 28 towards telescopic cylinder 27 external motion in the telescopic cylinder 27, telescopic link 28 upper end is located actuating groove 24 and butt in actuating groove 24 the inner wall of department that stands highest, thereby actuating cylinder 26 connecting rod extends, actuating cylinder 24 inside wall is acted on to telescopic link 28 makes the installation piece 8 motion, when actuating cylinder 26 connecting rod extends to the longest, accomodate groove 9 and send the sword groove 10 alignment, be convenient for trade the sword, at this moment when actuating cylinder 26 connecting rod shortens, telescopic link 28 gets back in actuating groove 24 of another installation piece 8 under the guide surface 25 effect.

Referring to fig. 1 and 4, the fixture comprises a mounting plate 30 detachably connected to the second sliding seat 4 through bolts, a plurality of limiting rods 31 which are vertically arranged are fixed on the mounting plate 30, a valve body to be processed is placed between the limiting rods 31, and the limiting rods 31 are abutted to the side wall of the valve body and limit the valve body. The mounting disc 30 rotates through vertical pivot has mounting bracket 32, rotates on the mounting bracket 32 to be connected with on the pivoted depression bar 33 of vertical direction, and the sliding tray 34 has been seted up to the lower terminal surface of depression bar 33 near valve body one side, and sliding tray 34 sliding is provided with the sliding block 35 that slides in vertical direction, and the sliding block 35 lower terminal surface is provided with briquetting 36 along the sliding of depression bar 33 length direction, and the rubber pad of butt at the valve body up end is bonded to briquetting 36 lower terminal surface. The sliding block 35 is rotatably connected with a pressing bolt, and the pressing bolt is in threaded connection with the pressing rod 33 and drives the sliding block 35 to move in the vertical direction.

Referring to fig. 1 and 4, one end of the compression bar 33, which is away from the pressing block 36, is fixed with an arc-shaped rod 37 which takes the rotating shaft of the mounting frame 32 as an axis, an arc-shaped groove 38 which is coaxial with the rotating shaft of the mounting frame 32 is formed in the arc-shaped rod 37, an oil cylinder 40 is fixed on the mounting plate 30, a piston shaft of the oil cylinder 40 is vertically arranged, a push rod 39 which is penetrated in the arc-shaped groove 38 is hinged on a piston rod of the oil cylinder 40, a limiting ring 41 which is abutted to the lower end face of the arc-shaped rod 37 is fixed at the lower end of the push rod 39, limiting threads are connected to the upper end face of the push rod 39 through threads, and the upper end face and the lower end face of the arc-shaped rod 37 are respectively abutted to the limiting ring 41 and the limiting nut 42 through rotating the limiting nut 42, so that the positioning of the push rod 39 is realized. The cylinder 40 is activated to rotate the pressing rod 33 in the vertical direction, thereby pressing the rubber pad against the upper end surface of the valve body.

The implementation principle of the valve body machining device is as follows: the drill bits 6 to be used are sequentially installed in the corresponding installation blocks 8, the corresponding drill bits 6 are moved to the installation table 5 by the driving mechanism, the lifting cylinder 19 descends to push the drill bits 6 to be connected into the rotating groove, the drill bits 6 process the valve body, after the valve body is processed, the lifting cylinder 19 drives the drill bits 6 to move upwards, the drill bits 6 are left in the storage groove 9 under the action of the clamping blocks 16, the driving cylinder 26 enables the next installation block 8 to move to the corresponding position, and the corresponding drill bits 6 are connected into the rotating groove in the descending process of the lifting cylinder 19, so that tool changing is realized.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. The utility model provides a processingequipment of valve body, includes support (1) of vertical setting, be provided with workstation (2) on support (1), slide on workstation (2) and be provided with the base, be fixed with the anchor clamps that are used for the centre gripping valve body on the base, slide on support (1) and be provided with mount table (5) that move in vertical direction, be provided with on mount table (5) and be used for processing drill bit (6) of part and drive drill bit (6) pivoted driving motor (7), its characterized in that: the upper surface of the mounting table (5) is slidably provided with a plurality of mounting blocks (8), the mounting blocks (8) are connected end to end, drill bits (6) for processing different apertures are respectively arranged in the mounting blocks (8), and the bracket (1) is provided with a cutter changing device which enables the drill bits (6) to be rotationally connected to the mounting table (5); the cutter changing device comprises a driven gear (11) which is rotationally connected in the mounting table (5) and is coaxial with the cutter feeding groove (10), a driving gear (12) meshed with the driven gear (11) is rotationally connected in the mounting block (8), the driving motor (7) drives the driving gear (12) to rotate, a rotating groove penetrating through the driven gear (11) is coaxially formed in the driven gear (11), the rotating groove is a stepped groove, the drill bit (6) is inserted into the rotating groove, the lower end of the drill bit protrudes out of the mounting table (5), and the drill bit (6) is fixedly connected with a rotating block (14) which is clamped in the rotating groove and rotates along with the driven gear (11) in a clamping manner, and the cutter changing device further comprises a connecting mechanism which enables the drill bit (6) to be smoothly inserted into the rotating groove; the utility model provides a clamping groove (15) has been seted up to storage tank (9) inside wall, coupling mechanism is including sliding joint piece (16) that set up in clamping groove (15), clamping groove (15) internal fixation has joint spring (17) that promote joint piece (16) towards storage tank (9) internal motion, joint piece (16) are cone frustum structure and diameter towards being close to joint spring (17) one side increase gradually near the tip of storage tank (9), drill bit (6) up end is fixed with butt piece (18), joint piece (16) are located between butt piece (18) and rotating block (14) and are used for supporting butt piece (18), coupling mechanism is still including making drill bit (6) break away from installation piece (8) and be connected to the coupling assembling in the rotating groove.

2. A valve body machining apparatus according to claim 1, wherein: the connecting assembly comprises a lifting cylinder (19) fixed on a support (1) and arranged vertically, a connecting cylinder (20) is fixed at the end part of a piston rod of the lifting cylinder (19), a connecting bearing (21) is coaxially fixed on the lower end surface of the connecting cylinder (20), a connecting disc (22) which is abutted against a abutting block (18) is fixed on the inner ring of the connecting bearing (21), the abutting block (18) is positioned in the connecting bearing (21) and pushes a drill bit (6) to be connected onto a driven gear (11) under the action of the lifting cylinder (19), and a magnet block (23) for adsorbing the drill bit (6) and driving the drill bit (6) to move upwards is fixed on the upper end surface of the connecting disc (22).

3. A valve body machining apparatus according to claim 2, wherein: the utility model discloses a knife-edge cutting device, including installing platform (5), mounting platform (5), actuating mechanism, actuating block (8) motion, actuating groove (24) have been seted up to the lateral wall of installing block (8) bottom, actuating groove (24) are dislocation set with accomodating groove (9), curved guide surface (25) have been seted up to another lateral wall of installing block (8) bottom, one end that actuating groove (24) was kept away from to guide surface (25) is located the highest point and this department is the same height with actuating groove (24), installing platform (5) lateral wall is fixed with actuating cylinder (26), actuating cylinder (26) connecting rod end fixing has telescopic cylinder (27), telescopic cylinder (27) sliding is provided with telescopic link (28), be provided with in telescopic cylinder (27) and promote telescopic link (28) towards telescopic spring (29) of telescopic cylinder (27) external motion, telescopic link (28) upper end are located actuating groove (24), and when actuating cylinder (26) connecting rod extension, telescopic link (28) promote installing block (8) motion and make accomodate groove (9) and send back to knife-edge cutting device (10) in telescopic cylinder (25) when actuating cylinder (26) alignment.

4. A valve body machining apparatus according to claim 1, wherein: the base includes to slide and set up first sliding seat (3) on workstation (2) first sliding seat (3) are gone up to slide and are provided with second sliding seat (4), first sliding seat (3) and second sliding seat (4) are mutually perpendicular for the direction of motion of base, first sliding seat (3) and second sliding seat (4) are all through lead screw slider structure drive, anchor clamps are fixed on second sliding seat (4).

5. The valve body machining device according to claim 4, wherein: the fixture comprises a mounting plate (30) which is detachably connected to a second sliding seat (4), a plurality of limiting rods (31) which are vertically arranged and are abutted to the side wall of the valve body are fixed on the mounting plate (30), a mounting frame (32) is arranged on the mounting plate (30), a pressing rod (33) which rotates in the vertical direction is connected to the mounting frame (32), an oil cylinder (40) is fixed on the mounting plate (30), a piston shaft of the oil cylinder (40) is vertically arranged, the end part of a piston rod of the oil cylinder (40) is rotationally connected to the pressing rod (33), and the end part of the pressing rod (33) is pushed to rotate so as to press the valve body.

6. A valve body machining apparatus according to claim 5, wherein: the utility model discloses a compression molding machine, including depression bar (33), sliding tray (35), slider (35) have been seted up to terminal surface under depression bar (33), sliding tray (34) slip is provided with slider (35), rotate on slider (35) and be connected with the extrusion bolt of vertical setting, extrusion bolt threaded connection is on depression bar (33) and drive depression bar (33) and move in vertical direction, slider (35) lower extreme slides and is provided with briquetting (36) that slide along depression bar (33) length direction.

7. The valve body machining device according to claim 6, wherein: the mounting bracket (32) rotate and connect on mounting panel (30), the one end that depression bar (33) deviate from briquetting (36) is fixed with arc pole (37) with mounting bracket (32) pivot as the axle, arc groove (38) coaxial with mounting bracket (32) pivot have been seted up on arc pole (37), articulated on hydro-cylinder (40) piston rod have on wear to establish catch bar (39) in arc groove (38), catch bar (39) lower extreme is fixed with spacing ring (41) of butt in arc pole (37) lower extreme, catch bar (39) up end threaded connection has stop nut (42) of supporting in arc pole (37) up end and preventing relative catch bar (39) motion.

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