CN212946604U

CN212946604U - Balanced disk seat finish machining centering clamping device

Info

Publication number: CN212946604U
Application number: CN202021457094.2U
Authority: CN
Inventors: 权小龙
Original assignee: Kunshan Hongyuhua Precision Machinery Technology Co ltd
Current assignee: Kunshan Hongyuhua Precision Machinery Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-13
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a centering and clamping device for finish machining of a balanced valve seat, which relates to the technical field of processing of balanced valve seats, and comprises a base, wherein two side plates are respectively arranged at two sides of the top of the base, a positioning column is arranged at one side opposite to the side plates, a movable cavity is arranged at the inner center of the positioning column, a plurality of rectangular grooves are arranged around the movable cavity and positioned at the outer part of the positioning column, a lead screw is arranged at the inner center of the movable cavity in a penetrating way, a reciprocating block is sleeved on the outer sliding sleeve of the lead screw, a plurality of steering seats are arranged around the reciprocating block, the steering seats are accommodated in the rectangular grooves, one ends of first supporting rods are movably connected inside the steering seats, the other ends of the first supporting rods are rotatably connected with second supporting rods, a rotating shaft penetrates through the other ends of the second supporting rods to one ends of the rectangular grooves far away from the side plates, and the centering, meanwhile, the contact surface of the valve seat is reduced, and the valve seat is convenient to overhaul, paint and maintain.

Description

Balanced disk seat finish machining centering clamping device

Technical Field

The utility model relates to a balanced disk seat processing technology field specifically is a balanced disk seat finish machining centering clamping device.

Background

The balance valve is a valve with special function, and its valve itself has no special character, and only has different use functions and places, in some industries, because the medium has larger pressure difference or flow difference in all parts of pipeline or container, in order to reduce or balance said difference, a valve is set between the correspondent pipelines or containers, and can be used for regulating relative balance of two-side pressure or utilizing flow-dividing method to attain the balance of flow, said valve is called balance valve.

When the traditional balance valve seat is used in daily processing, the valve seat needs to be maintained and overhauled, and the like, and the balance valve seat is clamped and fixed by a clamping device which needs to be used;

traditional disk seat clamping device all carries out the centre gripping to the disk seat surface through external extrusion centre gripping mode, and its shortcoming that exists lies in, when fixed with centre gripping equipment to the disk seat of not unidimensional size, the contact surface is too big between the two, influences the disk seat and overhauls the maintenance, exists not enoughly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balanced disk seat finish machining centering clamping device to solve the current existence that proposes in the above-mentioned background art, can not fix not unidimensional disk seat under the condition of guaranteeing minimum centre gripping contact surface, thereby influence the problem that the disk seat overhauld.

In order to achieve the above object, the utility model provides a following technical scheme: a centering and clamping device for finish machining of a balance valve seat comprises a base, wherein two side plates are respectively arranged on two sides of the top of the base, a positioning column is arranged on one side, opposite to the side plates, of the base, a movable cavity is formed in the center of the inner portion of the positioning column, a plurality of rectangular grooves are formed in the periphery of the movable cavity and located outside the positioning column in an annular mode, a lead screw penetrates through the center of the inner portion of the movable cavity, a reciprocating block is sleeved on the outer portion of the lead screw in a sliding mode, a plurality of steering seats are arranged in the periphery of the reciprocating block in an annular mode, the steering seats are accommodated in the rectangular grooves, one end of a first supporting rod is movably connected to the inner portion of each steering seat, the other end of the first supporting rod is rotatably connected with a second supporting rod, a rotating shaft penetrates through the other end of the second supporting rod, extends to one, the end of the first supporting rod is positioned at the upper end of the second supporting rod and is provided with a top plate.

Preferably, the two side plates have the same height, the lower end of one side plate is connected with the top of the base in a sliding mode, a hydraulic cylinder is connected to one side of the side plate, and the other end of the hydraulic cylinder is connected with the end of the base.

Preferably, one end of the top of the base is provided with a sliding rail, and the lower end of one of the side plates is provided with a sliding block matched with the sliding rail.

Preferably, the outside of lead screw is located the inside in activity chamber and is equipped with reciprocal screw thread, the inside of reciprocal piece is equipped with reciprocal screw thread looks adaptation.

Preferably, one end of the screw rod penetrates through the positioning column and the side plate in sequence and extends to the top of the base to be provided with a handle.

Preferably, the steering seat is of a concave structure, and one end of the first support rod penetrates through the steering seat through the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this balanced disk seat finish machining centering clamping device inserts inside the disk seat tip through-hole through reference column one end to avoid traditional external centre gripping mode, occupy the disk seat surface, influence the problem of overhauing and maintaining.

2. This balanced disk seat finish machining centering clamping device, can be according to the fixed needs of disk seat of not unidimensional diameter, through handle accommodate the lead screw, the lead screw then can drive reciprocating block at the inside relative movement in activity chamber, thereby when reciprocating block removes, it is close to drive first bracing piece to the second bracing piece, thereby make and form V type uplift between first bracing piece and the second bracing piece, thereby it risees from the rectangular channel inside to drive the roof, thereby utilize the roof to press from both sides the inner wall of disk seat tightly, thereby the realization is fixed not unidimensional disk seat, simultaneously minimum reduction clamping device and disk seat area of contact, more convenient maintenance.

Drawings

FIG. 1 is a main sectional view of the structure of the present invention;

FIG. 2 is a side sectional view of the positioning post structure of the present invention;

fig. 3 is an enlarged view of a structure a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a side plate; 3. a positioning column; 4. a movable cavity; 5. a rectangular groove; 6. a handle; 7. a reciprocating block; 8. a steering seat; 9. a first support bar; 10. a second support bar; 11. a rotating shaft; 12. A top plate; 13. a slider; 14. a slide rail; 15. a hydraulic cylinder; 16. and a screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a centering and clamping device for finish machining of a balance valve seat comprises a base 1, two side plates 2 are respectively arranged on two sides of the top of the base 1, a positioning column 3 is arranged on one side opposite to the side plates 2, a movable cavity 4 is formed in the center of the inner portion of the positioning column 3, a plurality of rectangular grooves 5 are annularly formed around the movable cavity 4 and located outside the positioning column 3, a lead screw 16 penetrates through the center of the inner portion of the movable cavity 4, a reciprocating block 7 is slidably sleeved on the outer portion of the lead screw 16, a plurality of steering seats 8 are annularly arranged around the reciprocating block 7, the steering seats 8 are accommodated in the rectangular grooves 5, one ends of first supporting rods 9 are movably connected in the steering seats 8, the other ends of the first supporting rods 9 are rotatably connected with second supporting rods 10, the other ends of the second supporting rods 10 extend to one ends, far away from the side plates 2, of the rectangular grooves 5, are penetrated by rotating shafts 11, one ends, the end of the first supporting rod 9 is provided with a top plate 12 at the upper end of the second supporting rod 10.

Referring to fig. 1, two side plates 2 have the same height, the lower end of one side plate 2 is connected with the top of a base 1 in a sliding manner, one side of the side plate 2 is connected with a hydraulic cylinder 15, the other end of the hydraulic cylinder 15 is connected with the end of the base 1, and the side plate 2 is connected with the base 1 in a sliding manner, so that the hydraulic cylinder 15 can drive one side plate 2 to approach the other side plate 2, and two positioning columns 3 are relatively close to each other, so that when the large-size valve seat is fixed, the two positioning columns 3 are inserted into two ends of the valve seat, the large-size valve seat can be clamped and fixed conveniently, and the small-size valve seat can.

Referring to fig. 1, a slide rail 14 is arranged at one end of the top of the base 1, and a slide block 13 matched with the slide rail 14 is arranged at the lower end of one of the side plates 2, so that the side plates 1 and the base 2 can move relatively conveniently through the arrangement of the slide block 13 and the slide rail 14.

Referring to fig. 1, the outside of the screw rod 16 is located inside the movable cavity 4 and is provided with a reciprocating thread, and the inside of the reciprocating block 7 is provided with a threaded hole matched with the reciprocating thread, so that the reciprocating block 7 can slide relatively outside the screw rod 16.

Referring to fig. 1, one end of the screw rod 16 sequentially penetrates through the positioning column 3 and the side plate 2 and extends to the top of the base 1, and a handle 6 is arranged at the top of the base 1, so that the screw rod 16 is conveniently driven to rotate.

Referring to fig. 2, the steering base 8 is a concave structure, one end of the first support rod 9 penetrates through the steering base 8 through the rotating shaft 11, and the concave structure facilitates the rotation of one end of the first support rod 9 inside the steering base 8.

The working principle is as follows: when the valve seat fixing device is used in daily life, one end of the positioning column 3 is inserted into a through hole at the end part of the valve seat, meanwhile, the screw rod 16 can be adjusted to rotate through the handle 6 according to the fixing requirements of the valve seats with different sizes and diameters, when the screw rod 16 rotates, the reciprocating block 7 can be driven to move relatively in the movable cavity 4, so that when the reciprocating block 7 moves, the first supporting rod 9 is driven to approach the second supporting rod 10, a V-shaped bulge is formed between the first supporting rod 9 and the second supporting rod 10, the top plate 12 is driven to rise from the inside of the rectangular groove 5, the inner walls of the valve seats are tightly pressed by the top plates 12 annularly arranged around the positioning column 3, the valve seats with different sizes are fixed, meanwhile, the contact area between the clamping device and the valve seats is reduced to the minimum degree, the maintenance is more convenient, when the valve seats with large sizes are fixed, the two positioning columns 3 can be inserted, thereby improve the location performance of reference column 3, pneumatic cylinder 15 makes things convenient for drive curb plate 2 relative movement in base 1 upper end simultaneously to change distance between two reference columns 3, conveniently press from both sides tight the large size disk seat, run through pivot 11 between first bracing piece 9 and the second bracing piece 10 tip and link to each other as shown in fig. 3, make things convenient for relative rotation between the two.

It is noted that, in this document, relational terms such as first support bar and second support bar, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The fine machining centering and clamping device for the balance valve seat is characterized by comprising a base (1), two side plates (2) are arranged on two sides of the top of the base (1) respectively, a positioning column (3) is arranged on one side, opposite to the side plates (2), of each side, a movable cavity (4) is formed in the inner center of each positioning column (3), a plurality of rectangular grooves (5) are annularly arranged on the periphery of each movable cavity (4) and located outside the corresponding positioning column (3), a lead screw (16) penetrates through the inner center of each movable cavity (4), a reciprocating block (7) is slidably sleeved on the outer portion of each lead screw (16), a plurality of steering seats (8) are annularly arranged on the periphery of each reciprocating block (7), each steering seat (8) is accommodated in each rectangular groove (5), one end of a first supporting rod (9) is movably connected to the inner portion of each steering seat (8), the other end of each first supporting rod (9) is rotatably connected with a second supporting rod (10), the other end of second bracing piece (10) extends to rectangular channel (5) and keeps away from the one end of curb plate (2) and runs through pivot (11), second bracing piece (10) one end is rotated with the inside of rectangular channel (5) through pivot (11) and is linked to each other, the upper end that the tip of first bracing piece (9) is located second bracing piece (10) is equipped with roof (12).

2. A balanced valve seat finishing centering clamp device according to claim 1, wherein: the two side plates (2) have the same height, the lower end of one side plate (2) is connected with the top of the base (1) in a sliding mode, a hydraulic cylinder (15) is connected to one side of the side plate (2), and the other end of the hydraulic cylinder (15) is connected with the end of the base (1).

3. A balanced valve seat finishing centering clamp as claimed in claim 2, wherein: the top one end of base (1) is equipped with slide rail (14), and one of them the lower extreme of curb plate (2) is equipped with slider (13) with slide rail (14) mutual adaptation.

4. A balanced valve seat finishing centering clamp as claimed in claim 2, wherein: the outside of lead screw (16) is located the inside in activity chamber (4) and is equipped with reciprocal screw thread, the inside of reciprocating block (7) be equipped with the screw hole of reciprocal screw thread looks adaptation.

5. A balanced valve seat finishing centering clamp as claimed in claim 2, wherein: one end of the screw rod (16) penetrates through the positioning column (3) and the side plate (2) in sequence and extends to the top of the base (1) to be provided with a handle (6).

6. A balanced valve seat finishing centering clamp device according to any of claims 1 to 5, characterized by: the steering seat (8) is of a concave structure, and one end of the first supporting rod (9) penetrates through the rotating shaft (11) in the steering seat (8).