CN111037459A

CN111037459A - Machining equipment for ball valve production

Info

Publication number: CN111037459A
Application number: CN201910904159.9A
Authority: CN
Inventors: 张志荣
Original assignee: Jiangshan Zhicheng Valve Co ltd
Current assignee: Yuhuan Dazhong Copper Industry Co Ltd
Priority date: 2018-10-10
Filing date: 2018-10-10
Publication date: 2020-04-21
Anticipated expiration: 2038-10-10
Also published as: CN111037459B; CN109227355B; CN109227355A

Abstract

The invention discloses a processing device for ball valve production, which comprises a valve core with a medium flow passage and a valve seat matched with the outer wall of the valve core; a frame; the first fixing piece penetrates through the medium flow passage; a first driving member for driving the first longitudinal rotation; the clamping structure is arranged on the first fixing piece and firmly abutted against the inner wall of the medium flow channel so as to fix the valve core; a second fixing member; the clamping structure is arranged on the second fixing piece and is used for clamping the valve seat so as to enable the valve seat to be in contact with the valve core; and the second driving part is used for driving the second fixing part to rotate so as to drive the valve seat and the valve core to rub against each other. The invention realizes that the same set of equipment clamps the valve seats and the valve cores with different specifications and sizes, so that the same set of equipment can simultaneously process various matched valve seats and valve cores in the process of processing the valve seats and the valve cores, the processing efficiency is high, and the cost required by the equipment is saved.

Description

Machining equipment for ball valve production

Technical Field

The invention belongs to the technical field of valve pipelines, and particularly relates to machining equipment for ball valve production.

Background

The ball valve is widely applied to multiple industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power and the like, is widely applied to the market, comprises a valve body, a valve core with a medium flow channel, a valve seat, a valve rod and other parts, and rotates the valve core through the valve rod so as to realize the opening and closing of the ball valve.

Chinese patent CN105729270B discloses a valve core and valve seat grinding mechanism, which comprises: the first mounting frame is provided with a first mounting space suitable for mounting the valve seat and a first air hole for communicating the first mounting space with the atmosphere; the second mounting frame is provided with a second mounting space suitable for mounting the valve core and a second air hole communicated with the second mounting space and the atmosphere; the first mounting frame and/or the second mounting frame can move towards each other so that the first mounting space and the second mounting space are butted to form a closed space, and when the valve seat is mounted, the first mounting space and the second mounting space can only be communicated through a hole to be ground of the valve seat; when the valve core is installed, the valve core is just inserted into the hole to be ground and is matched and connected with the valve seat; and the driving structure is used for driving the valve core or the valve seat to rotate relative to each other so as to grind the sealing contact surface of the valve core and the valve seat.

Although the grinding mechanism in the above document grinds the valve core and the valve seat, the degree of matching between the valve core and the valve seat is high, and the sealing performance of the produced ball valve is improved, in the working process of the grinding mechanism, the grinding mechanism can only grind one set of valve core and valve seat with certain specifications, but in the actual processing process, because the specifications of the ball valves are different, the specifications of the valve core and the valve seat in different ball valves are also different, obviously, the grinding mechanism can not fix and grind the valve core and the valve seat with different specifications and sizes, and the produced product is single, and the processing efficiency is low.

Disclosure of Invention

The invention provides a ball valve processing device which is simple in structure, high in processing efficiency and capable of fixing valve cores and valve seats of different specifications, and aims to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a processing equipment for ball valve production includes

Valve core with medium flow passage and valve seat matched with outer wall of valve core

A frame;

the first fixing piece penetrates through the medium flow passage;

the first driving part drives the first fixing part to rotate;

the clamping structure is arranged on the first fixing piece and firmly abutted against the inner wall of the medium flow channel so as to fix the valve core;

a second fixing member;

the clamping structure is arranged on the second fixing piece and is used for clamping the valve seat so as to enable the valve seat to be in contact with the valve core;

the second driving part is used for driving the second fixing part to rotate so as to drive the valve seat and the valve core to rub against each other;

the clamping structure comprises a plurality of clamping pieces arranged at equal intervals, an anti-skidding piece arranged on the clamping pieces and a rotating piece used for driving the clamping pieces to move outwards so that the anti-skidding piece is matched with the inner wall of the medium flow channel, and the rotating piece is connected with the end part of the first fixing piece through a locking structure; the clamping structure comprises a telescopic rod connected with the second fixing piece, a first spring sleeved on the telescopic rod, a rotating piece movably connected with one end of the telescopic rod and a clamping part used for clamping the valve seat, and the clamping part is matched with the rotating piece.

The valve core is driven to rotate by arranging the first driving part and the first fixing part, and then the valve seat is driven to rotate by the second driving part and the second fixing part, so that the valve core and the valve seat rotate relatively, the valve core and the valve seat rub against each other, the surfaces of the valve core and the valve seat are worn and smooth, the size between the concave part on the valve seat and the outer wall of the valve core is just proper, no gap exists between the valve core and the valve seat, the valve seat rotates due to the rotation of the valve core in the process, each part of the outer wall of the valve seat and the valve core can be contacted with each other, the surface of the whole valve core is polished, and therefore, in the subsequent processing process of the valve core, only a notch needs to be directly cut on the valve core; the clamping structure is firmly abutted against the inner wall of the medium flow channel, so that the valve core is fixed, and the situation that the valve core cannot rotate relative to the first fixing piece automatically in the rotating process is ensured; similarly, the valve seats of different specifications can be fixed through the clamping structure, and the valve cores of different specifications can be polished by the same equipment.

The rotating piece is provided with a plurality of pushing convex parts which are arranged in a bent mode, and the clamping piece is provided with a pushing opening through which the pushing convex parts penetrate; through establishing the promotion convex part into crooked form, when rotating the piece and rotating, can outwards expand or withdraw chucking spare, this in-process has realized receiving and releasing chucking spare, and because be equipped with the promotion opening on chucking spare, consequently when chucking spare receives the pressure of the inner wall of flow channel, promote open-ended upper portion inner wall and can contact with the upper portion that promotes the convex part, and promote open-ended lower part inner wall and can offset with the lower part that promotes the convex part, ensured through this mode that chucking spare can not move down, its stability is high.

The locking structure comprises a rotating sleeve connected with the rotating piece in a rotation stopping manner, a locking sleeve sleeved on the first fixing piece and an elastic piece connected with the locking sleeve, wherein a plurality of first biting teeth are arranged on the rotating sleeve, and a plurality of second biting teeth meshed with the first biting teeth are arranged on the locking sleeve; the rotary sleeve is arranged, so that the clamping piece can be conveniently rotated to expand outwards when the valve core needs to be fixed, the clamping piece can be fixed on the valve core, and the locking sleeve is arranged and clamped with the first biting teeth and the second biting teeth, so that the rotary sleeve is positioned, the rotary sleeve is kept not to rotate in the using process, the rotary piece cannot rotate in the using process, and the stability is high; the elastic piece can keep the first biting tooth and the second biting tooth meshed together all the time, and when the locking sleeve needs to rotate, the locking sleeve only needs to be pushed backwards to enable the first biting tooth and the second biting tooth to be disengaged; and the rotary sleeve is provided with the first biting teeth, and the locking sleeve is provided with the second biting teeth, so that the mutual limiting can be rapidly carried out when the rotary sleeve is connected with the locking sleeve.

The first fixing piece is provided with a plurality of rotation stopping grooves, and the inner wall of the locking sleeve is provided with a plurality of rotation stopping convex parts penetrating through the rotation stopping grooves; through setting up the recess that splines and the protruding portion that splines, it ensures that the locking cover can not take place to rotate when the locking to keep the swivel sleeve can not take place to move.

The clamping part comprises an anti-falling plate connected with the lower end of the rotating part, a telescopic cavity formed on the anti-falling plate, a clamping piece penetrating through the telescopic cavity and a second spring connected with the clamping piece, and one end of the second spring is connected with the inner wall of the telescopic cavity; the telescopic cavity is arranged, so that the clamping piece can be conveniently positioned, the clamping piece can be ensured to be capable of performing telescopic motion in the telescopic cavity all the time in the motion process without up-and-down motion, and the stability is high when the clamping piece clamps the valve seat in the process; and set up the second spring and then can pull the clamping piece and move towards the inside in flexible chamber all the time, consequently when the disk seat directly overlaps on the clamping piece, realized the effect of initiatively fixing the disk seat, then relocking the clamping piece in the later stage, the disk seat can not drop at the in-process of locking, its convenient operation.

The clamping piece is provided with a clamping part for clamping the valve seat, and the clamping part is provided with a protective layer; the clamping piece can be effectively prevented from being in contact with the outer wall of the valve seat to cause abrasion due to the arrangement of the protective layer, so that the outer wall of the valve seat is protected, and the service life of the clamping piece is prolonged; and through the scalability of clamping piece in flexible intracavity, its adaptable different specification sizes's disk seat, it can be effectual fixes the disk seat.

The locking piece is provided with a plurality of concave parts, the locking piece is provided with a plurality of locking convex parts matched with the inner walls of the concave parts, and the locking convex parts are arranged in an arc shape; can lock through setting up the stay can the clamping piece, keep the clamping piece to press from both sides the disk seat tightly, therefore the disk seat is when grinding, and the stability of disk seat is high, the condition that can not appear droing, because the effect of stay locking is adjusted in the motion through the locking convex part moreover, consequently realizes that the stay can finely tune, the disk seat that can be better be applicable to various specifications and sizes.

In conclusion, the valve seat and the valve core with different specifications and sizes are clamped by the same set of equipment, so that various matched valve seats and valve cores can be simultaneously machined by the same set of equipment in the machining process of the valve seats and the valve cores, the machining efficiency is high, and the cost required by the equipment is saved.

Drawings

Fig. 1 is a first structural schematic diagram of the present invention.

Fig. 2 is a second structural schematic diagram of the present invention.

Fig. 3 is a partial structural diagram of the first embodiment of the present invention.

Fig. 4 is an exploded view of fig. 3.

Fig. 5 shows two partial structures according to the present invention.

Fig. 6 is an enlarged view of a in fig. 5.

Fig. 7 is a schematic structural view of the rotary sleeve of the present invention.

Fig. 8 is a schematic view of a partial structure of the present invention.

Fig. 9 is a partial schematic structural diagram of the present invention.

Fig. 10 is an exploded view of fig. 9.

Fig. 11 is a partial schematic structural diagram of the present invention.

Fig. 12 is a partial structural diagram six of the present invention.

Fig. 13 is a schematic diagram of a partial structure according to the present invention.

Fig. 14 is a partial schematic structural diagram eight of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-14, the present invention discloses a processing apparatus for ball valve production, which comprises a frame 1, a first fixing member 4, a first driving member 5, a clamping structure 6, a second fixing member 7, a clamping structure 8 and a second driving member 9, wherein the frame 1 is a metal frame body, and the first and second driving members are both arranged on the frame of the frame 1; the first fixing part 4 is a metal rod, and the tail end of the first fixing part 4 is connected with the lower part of the frame 1 through a bearing part, so that the first fixing part 4 can freely rotate relative to the frame 1; the first driving member 5 is configured to drive the first fixing element 4 to rotate, the first driving member 5 includes a first driving element 51, a first output wheel 52, a first driving belt 53 and a first driven wheel 54, the first driving element 51 is a motor, the first output wheel 52 is a belt pulley connected to the first driving element 51, the first driven wheel 54 is a metal wheel, the first driven wheel 54 is in rotation-stopping connection with an end of the first fixing element 4, the first driving belt 53 is a belt, and the first driving belt 53 is connected to the first output wheel 52 and the first driven wheel 54, so that the first driving element 51 can drive the first fixing element 4 to rotate, and the first fixing element 4 rotates clockwise in a front view.

Furthermore, the clamping structure 6 includes a clamping member 61, an anti-slip member 62 and a rotating member 63, the clamping member 61 is a metal sheet with a higher thickness, the first fixing member 4 is provided with an accommodating cavity 40, the accommodating cavity 40 is provided with a plurality of strip-shaped open slots 41 arranged at intervals, the clamping member 61 can pass through the open slots 41, the clamping member 61 is located in the accommodating cavity 40, the anti-slip member 62 is a wear-resistant plastic block, the anti-slip member 62 is connected with the clamping member 61, the specific connection mode is that the lower part of the clamping member 61 is provided with a strip-shaped socket groove 619, the upper part of the anti-slip member 62 is provided with a strip-shaped socket convex part 629, the socket convex part 629 can be inserted into the socket groove 619, and the socket convex part 629 and the inner wall of the socket groove 619 are in interference fit, after the socket convex part 629 is inserted into the socket groove 619, the anti-slip piece 62 is connected with the clamping piece 61 through a screw; a plurality of anti-skid ribs 628 are arranged on the anti-skid member 62, and the anti-skid ribs 628 and the anti-skid member 62 are integrally formed; the rotating member 63 rotates to move the clamping member 61 outward, so that the anti-slip ribs 628 are engaged with the inner wall of the medium flow path 20.

Specifically, the rotating member 63 is a metal rod, one end of the rotating member 63 is movably connected with the inner wall of one end of the accommodating cavity 40 through a bearing, a plurality of pushing convex parts 631 are arranged on the rotating member 63, the pushing convex parts 631 are bent to form a C-shaped metal strip, a plurality of pushing openings 611 are arranged at the lower part of the clamping member 61, and the pushing convex parts 631 penetrate into the pushing openings 611, so that when the rotating member 63 rotates, the pushing convex parts 631 can drive the clamping member 61 to expand outwards or contract inwards; the other end of the rotating member 63 is connected to the first fixing member 4 through a locking structure 64.

Further, the locking structure 64 includes a rotating sleeve 641, a locking sleeve 642 and an elastic element 643, the rotating sleeve 641 is a metal sleeve, the outer wall of the rotating sleeve 641 has a plurality of cutting surfaces so that the rotating sleeve 641 has a shape substantially similar to that of a nut, the rotating sleeve 641 is connected with the rotating member 63 in a rotation-stop manner, specifically, a cylindrical connecting convex portion 649 is provided on the inner wall of the rotating sleeve 641, a square cylindrical connecting concave portion 639 is provided on the end portion of the rotating member 63, the connecting convex portion 649 is inserted into the connecting concave portion 639, and then passes through the connecting convex portion 639 by a screw to be connected with the rotating member 63; in the connection mode, the local thickness of the connection convex part 63 is large, so that a long screw can be adopted to be connected with the rotating part, the connection stability is good, and the falling is not easy to occur.

Specifically, a locking sleeve 642 is sleeved on the first fixing member 4, and the locking sleeve 642 is a metal sleeve; a plurality of anti-rotation protrusions 647 are arranged on the inner wall of the locking sleeve 642, the anti-rotation protrusions 647 are square metal strips, a plurality of anti-rotation grooves 401 are arranged on the outer wall of the first fixing member 4, and the anti-rotation protrusions 647 are inserted into the anti-rotation grooves 401, so that the anti-rotation connection between the locking sleeve 642 and the first fixing member 4 is realized; the elastic member 643 is a high-strength spring, one end of the elastic member 643 is connected to the inner wall of the rotation stopping groove 401, and the other end is connected to the rotation stopping protrusion 647, so that the elastic member 643 pushes the locking sleeve 642 to move toward the rotating sleeve 641; dense first snap teeth 645 are arranged at the end part of the rotating sleeve 641, second snap teeth 646 are arranged on the locking sleeve 642, and the second snap teeth 642 are meshed with the first snap teeth 641, so that the locking sleeve 642 is in rotation-stopping connection with the rotating sleeve 641; in the specific installation process, the first fixing member 4 can be divided into an upper half and a lower half, and after the internal parts are installed, the upper half and the lower half of the circular tube are welded together in a seamless mode.

Further, the second fixing element 7 is an L-shaped metal rod, the second fixing element 7 is driven by the second driving member 8 to rotate, the second driving member 8 is disposed on the upper portion of the frame 1, the second driving member 8 includes a second driving element 81, a second output wheel 82, a second transmission belt 83 and a second driven wheel 84, the second driving element 81 is a motor, the second driving element 81 is disposed on the frame 1, the second output wheel 82 is a belt pulley connected to the second driving element 81, the second driven wheel 84 is a belt pulley, and the upper end of the second fixing element 7 is connected to the second driven wheel 84, so that the second fixing element 7 can rotate clockwise in the top view when the power of the second driving element 81 is applied; a clamping structure 9 is arranged on the second fixing part 7, and the clamping structure 9 is connected with the valve seat 3; .

Specifically, the clamping structure 9 includes an expansion link 91, a first spring 92, a rotating member 93 and a clamping member 94, the expansion link 91 is a metal expansion link, the upper end of the expansion link 91 is connected to the second fixing member 7 in a manner that the upper end of the expansion link 91 is connected by a screw, the first spring 92 is a metal spring, the first spring 92 is sleeved on the expansion link 91, the upper end of the first spring 92 is detachably connected to the second fixing member 7, and the lower end of the first spring 92 is connected to the expansion link 91, so that the elastic force of the first spring 92 pushes the expansion link 91 to stretch downward, the rotating member 93 is a metal rod with a rotating ball 931 at the upper portion, and the rotating ball 931 is a metal ball; a socket part is formed at the lower part of the telescopic rod 91 and is recessed inwards, and a rotating ball 931 penetrates into the socket part, so that the rotating member 93 can swing when the second fixing member 7 rotates; the clamping member 95 is connected to the lower end of the rotary member.

Specifically, the clamping member 95 includes an anti-separation plate 951 connected to a lower end of the rotary member 93, a telescopic cavity 952 formed in the anti-separation plate 951, a clamping piece 953, and a second spring 954, where the anti-separation plate 951 is a metal plate, the telescopic cavity 952 is a sector cavity formed in the anti-separation plate 951, the clamping piece 953 is a sector, the clamping piece 953 partially penetrates into the telescopic cavity 952, and the clamping piece 953 has a clamping portion 961 bent downward, the clamping portion 961 contacts with an outer wall of the valve seat 3, so that the clamping portion 961 clamps the clamping piece 953, the second spring 954 is a metal spring, the second spring 954 is located in the telescopic cavity 952, one end of the second spring 954 is connected to an inner wall of the telescopic cavity 952, the other end is connected to an end of the clamping piece 953, and an elastic force of the second spring 954 pulls the clamping piece 953 to move inward; a protective layer 962 is adhered to the inner wall of the clamping portion 961, the protective layer 962 may be a flannelette layer, and the protective layer 962 is directly contacted with the outer wall of the valve seat 3; in order to facilitate the valve seat 3 to directly penetrate into the clamping portion 961, the end portion of the clamping portion 961 is bent upwards to form a bent portion 963, and the bent portion 963 can facilitate the valve seat 3 to be directly inserted; the protective layer 962 can effectively prevent the clamping piece 953 from being in contact with the outer wall of the valve seat 3 at a distance to cause abrasion, so that the outer wall of the valve seat is protected, and the service life of the clamping piece is prolonged; and through the scalability of clamping piece in flexible intracavity, its adaptable different specification sizes's disk seat, it can be effectual fixes the disk seat.

Further, an extension portion 964 is provided on the clip 953, the extension portion 964 is opposite to the clamping portion 961, a square hole 965 is provided on the extension portion 964, a locking piece 971 is inserted into each square hole 965, the locking piece 971 is a metal piece, an end of the locking piece 971 is protruded such that the locking piece 971 can be pulled out only from one side of the square hole 965, and a plurality of recesses 972 are provided on the locking piece 971; a plurality of locking members 98 are movably connected to the anti-disengaging plate 951, each locking member 98 corresponds to one locking piece 971, three locking convex portions 982 which are arranged in a staggered mode are arranged below the locking members 98, each locking convex portion 982 is a metal convex portion which is bent into an arc shape, each locking convex portion 982 penetrates into one of the concave portions 972, and when one locking convex portion 982 rotates out of the corresponding concave portion 972, the other locking convex portion 982 can enter into the other adjacent concave portion 972; this is achieved by the continuous rotation of the locking member 98, thereby allowing the locking flap 971 to be continuously pulled.

The upper part of the locking piece 98 is provided with a first gear 983, the rotating piece 93 is sleeved with a second gear 984, the volume of the second gear 984 is larger than that of the first gear 983, and the second gear 984 is meshed with the plurality of first gears 983 at the same time, so that the second gear 984 rotates to drive the first gears 983 to rotate, all the locking pieces 98 are driven to rotate, and the locking pieces 971 are synchronously retracted; the rotating member 93 is sleeved with a control member 985 for rotating the second gear 983 by a hand, the control member 985 is a metal sleeve, the second gear 983 is connected, the control member 985 is provided with a plurality of round holes, the rotating member 93 is also provided with round holes, and after the rotation is completed, a metal column is inserted into the two round holes.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a processing equipment for ball valve production which characterized in that: comprises that

The valve comprises a valve core (2) with a medium flow passage (20) and a valve seat (3) matched with the outer wall of the valve core (2);

a frame (1);

a first fixing member (4) inserted into the medium flow path (20);

a first driving part (5) for driving the first fixing part (4) to rotate;

the clamping structure (6) is arranged on the first fixing piece (4), and the clamping structure (6) is firmly abutted against the inner wall of the medium flow channel (20) to fix the valve core (2);

a second fixing member (7);

the clamping structure (9) is arranged on the second fixing part (7) and is used for clamping the valve seat (3) so as to enable the valve seat (3) to be in contact with the valve core (2);

the second driving part (8) is used for driving the second fixing part (7) to rotate so as to drive the valve seat (3) and the valve core (2) to rub against each other;

the clamping structure (6) comprises a plurality of clamping pieces (61) arranged at equal intervals, an anti-skid piece (62) arranged on the clamping pieces (61) and a rotating piece (63) used for driving the clamping pieces (61) to move outwards so that the anti-skid piece (62) is matched with the inner wall of the medium flow channel (20), and the rotating piece (63) is connected with the end part of the first fixing piece (4) through a locking structure (64); the clamping structure (9) comprises an expansion rod (91) connected with the second fixing piece (7), a first spring (92) sleeved on the expansion rod (91), a rotating piece (93) movably connected with one end of the expansion rod (91) and a clamping part (95) used for clamping the valve seat (3), wherein the clamping part (95) is matched with the rotating piece (93).

2. A processing apparatus for ball valve production according to claim 1, wherein: the rotating piece (63) is provided with a plurality of pushing convex parts (631) which are arranged in a bending mode, and the clamping piece (61) is provided with a pushing opening (611) through which the pushing convex parts (631) penetrate.

3. A processing apparatus for ball valve production according to claim 2, wherein: the locking structure (64) comprises a rotating sleeve (641) in rotation stopping connection with the rotating piece (63), a locking sleeve (642) sleeved on the first fixing piece (4) and an elastic piece (643) connected with the locking sleeve (642), wherein a plurality of first biting teeth (645) are arranged on the rotating sleeve (641), and a plurality of second biting teeth (646) meshed with the first biting teeth (645) are arranged on the locking sleeve (642).

4. A processing apparatus for ball valve production according to claim 3, wherein: a plurality of rotation stopping grooves (41) are formed in the first fixing piece (4), and a plurality of rotation stopping convex portions (647) penetrating the rotation stopping grooves (41) are formed in the inner wall of the locking sleeve (642).

5. A processing apparatus for ball valve production according to claim 1, wherein: clamping member (95) including with rotating member (93) lower extreme link to each other anticreep board (951), form flexible chamber (952) on anticreep board (951), wear to locate clamping piece (953) in flexible chamber (952) and with second spring (954) that clamping piece (953) link to each other, second spring (954) one end with flexible chamber (952) inner wall links to each other.

6. A processing apparatus for ball valve production according to claim 5, wherein: the clamping piece (953) is provided with a clamping portion (961) used for clamping the valve seat (3), and the clamping portion (961) is provided with a protective layer (962).

7. A processing apparatus for ball valve production according to claim 5, wherein: clamping piece (953) go up swing joint has a locking piece (971), swing joint has on anticreep board (951) with locking piece (971) cooperation retaining member (98).

8. A processing apparatus for ball valve production according to claim 7, wherein: be equipped with a plurality of depressed parts (972) on locking sheet (971), be equipped with on retaining member (98) a plurality of with depressed part (972) inner wall matched with locking convex part (982), locking convex part (982) are the arc setting.