CN210616314U

CN210616314U - Positioning fixture for production and processing of stop valve

Info

Publication number: CN210616314U
Application number: CN201921743002.4U
Authority: CN
Inventors: 杨成武
Original assignee: Jingmen Zhongjin Aluminium Industry Casting Co ltd
Current assignee: Jingmen Zhongjin Aluminium Industry Casting Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-05-26
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a positioning fixture for production and processing of stop valves, which comprises a base, wherein two supporting plates are respectively fixedly arranged at two sides of the top end of the base, two lower clamping blocks are arranged between the two supporting plates in a sliding manner, a first chute vertical to the supporting plates is arranged at the middle part of the top end of the base, two first sliders are respectively fixedly arranged at the middle parts of the bottom ends of the two lower clamping blocks, the two first sliders are respectively arranged at two sides of the inner part of the first chute in a sliding manner, two sides of the inner side of one of the supporting plates are respectively matched with one ends of two lead screws through two lead screw seats, the screw threads at two sides of the lead screws are opposite in direction, the two lower clamping blocks can be driven to move in the same direction or in opposite directions during the rotation process of the lead screws, and then the space between the two lower clamping blocks can be adjusted to clamp the positioning fixture in a, the application range is expanded.

Description

Positioning fixture for production and processing of stop valve

Technical Field

The utility model relates to a positioning fixture, in particular to positioning fixture is used in stop valve production and processing.

Background

The stop valve, also called stop valve, is the most widely used valve, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also suitable for high pressure. When carrying out hole processing or production assembly to the stop valve, need fix through anchor clamps, then need use positioning fixture.

The existing positioning clamp has the following defects: 1. the existing positioning fixture generally needs to fix the valve body and the flange part at the end part, but the existing positioning fixture cannot be adjusted and clamped according to the size of the valve body, is generally only suitable for fixing one size, and has a narrow application range; 2. the existing positioning fixture has poor stability in the use process and cannot be adjusted and positioned according to the specific size height of the valve body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning fixture is used in stop valve production and processing to current positioning fixture who provides in solving above-mentioned background art can't adjust the problem that presss from both sides tightly and poor stability according to the size of valve body.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning fixture for production and processing of a stop valve comprises a base, wherein two supporting plates are fixedly arranged on two sides of the top end of the base respectively, two lower clamping blocks are arranged between the two supporting plates in a sliding mode, a first sliding groove perpendicular to the supporting plates is formed in the middle of the top end of the base, two first sliding blocks are fixedly arranged in the middle of the bottom ends of the two lower clamping blocks respectively, the two first sliding blocks are arranged on two sides of the inner portion of the first sliding groove in a sliding mode respectively, two sides of the inner side of one of the supporting plates are matched with one ends of two lead screws respectively through two lead screw seats, two ends of the two lead screws sequentially penetrate through two sides of the two lower clamping blocks in a threaded mode and two sides of the other supporting plate and are arranged on the outer side of the other supporting plate, two first handles are fixedly arranged at the other ends of the two lead screws respectively, the thread directions of two sides of each lead screw, the four first studs are movably and alternately connected with two sides of the two upper clamping blocks respectively, two lower arc-shaped grooves are formed in the middle of the top end of each lower clamping block respectively, and two upper arc-shaped grooves are formed in the middle of the bottom end of each upper clamping block respectively.

As a preferred technical scheme of the utility model, the both sides side on base top is fixed respectively and is equipped with two second double-screw bolts, the both sides side on base top slides respectively and is equipped with two slides, two bar openings have been seted up respectively at the middle part of slide two the second double-screw bolt alternates with two bar open-ended one end respectively and is connected, two the top of slide one end is fixed respectively and is equipped with two sleeves, two the sleeve slides the cover respectively and establishes in the bottom that two are the screwed pipe of L type, two the bottom of sleeve inner wall all rotates with the bottom of two third double-screw bolts respectively through the bearing and is connected, two the middle part of third double-screw bolt alternates with the middle part screw thread of two screwed pipes respectively and is connected, two the top of third double-screw bolt is all fixed and is equipped with the second handle.

As a preferred technical scheme of the utility model, two second spouts, two have been seted up respectively to the both sides of sleeve inner wall the bottom of screwed pipe both sides is fixed respectively and is equipped with two second sliders, two the second slider slides respectively and sets up the inside at two second spouts.

As a preferred technical scheme of the utility model, two the inboard top of screwed pipe is all through two arc clamp plates of connecting rod difference fixedly connected with, two the bottom of arc clamp plate is all fixed and is equipped with the rubber pad.

As an optimal technical scheme of the utility model, four the top and two of first double-screw bolt lock nut is installed to the equal screw thread in top of second double-screw bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a positioning fixture is used in stop valve production and processing has following beneficial effect:

1) the screw threads on the two sides of the screw rod are opposite in direction, the screw rod can drive the two lower clamping blocks to move in the same direction or in opposite directions in the rotating process, then the distance between the two lower clamping blocks can be adjusted, and the flange part of the valve body can be clamped through the matching of the lower clamping blocks and the upper clamping blocks, so that the positioning clamp can be adjusted and clamped according to the size of the valve body within a certain range, and the application range is expanded;

2) the third stud is rotated to drive the threaded pipe to move up and down, then the arc-shaped pressing plates are driven to compress the valve body to be positioned, the stability is further improved, the distance between the two sliding plates can be adjusted by adjusting the matching position of the second stud and the strip-shaped opening, then the distance between the two arc-shaped pressing plates can be adjusted, and the positioning fixture can be used for adjusting and positioning according to the specific size of the valve body and is convenient to adjust.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

fig. 4 is a schematic view of the cross-section of the sleeve according to the present invention.

In the figure: 1. a base; 2. a support plate; 3. a lower clamping block; 4. a first chute; 5. a first slider; 6. a screw rod; 7. a first handle; 8. a first stud; 9. an upper clamping block; 10. a lower arc-shaped groove; 11. an upper arc-shaped groove; 12. a second stud; 13. a slide plate; 14. a strip-shaped opening; 15. an arc-shaped pressing plate; 16. a sleeve; 17. a threaded pipe; 18. a third stud; 19. a second handle; 20. a second chute; 21. a second slider; 22. a rubber pad; 23. locking the nut; 24. a connecting 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. 1-4, the utility model provides a positioning fixture for production and processing of a stop valve, which comprises a base 1, two support plates 2 are respectively fixed on two sides of the top end of the base 1, two lower clamping blocks 3 are slidably arranged between the two support plates 2, a first chute 4 perpendicular to the support plates 2 is arranged in the middle of the top end of the base 1, two first sliders 5 are respectively fixed on the middle of the bottom ends of the two lower clamping blocks 3, the two first sliders 5 are respectively slidably arranged on two sides of the inside of the first chute 4, two sides of the inner side of one support plate 2 are respectively matched with one end of two lead screws 6 through two lead screw seats, two ends of the two lead screws 6 sequentially penetrate through two sides of the two lower clamping blocks 3 and two sides of the other support plate 2 and are arranged on the outer side of the other support plate 2, two first handles 7 are respectively fixed on the other ends, the screw thread direction of every 6 both sides of lead screw is all opposite, and the both sides side on 3 tops of two lower clamp splice is fixed respectively and is equipped with four first double-screw bolts 8, and four first double-screw bolts 8 are connected with the both sides side activity interlude of two last clamp splice 9 respectively, and two lower arc walls 10 have been seted up respectively in the middle part on 3 tops of two lower clamp splice, and two upper arc walls 11 have been seted up respectively in the middle part of two last clamp splice 9 bottoms.

Preferably, two second studs 12 are respectively fixedly arranged on two sides of the top end of the base 1, two sliding plates 13 are respectively slidably arranged on two sides of the top end of the base 1, two strip-shaped openings 14 are respectively formed in the middle portions of the two sliding plates 13, the two second studs 12 are respectively connected with one ends of the two strip-shaped openings 14 in an inserting manner, two sleeves 16 are respectively fixedly arranged on the top portions of one ends of the two sliding plates 13, the two sleeves 16 are respectively sleeved on the bottoms of the two L-shaped threaded pipes 17 in a sliding manner, the bottom ends of the inner walls of the two sleeves 16 are respectively rotatably connected with the bottom ends of the two third studs 18 through bearings, the middle portions of the two third studs 18 are respectively connected with the middle portions of the two threaded pipes 17 in a threaded manner in an inserting manner, second handles 19 are respectively fixedly arranged on the top ends of the two third studs 18, and the distance between the two sliding plates 13 can, the operation is simple and convenient, and the third stud 18 can be rotated by the second handle 19 to drive the threaded pipe 17 to move up and down.

Preferably, two second sliding grooves 20 are respectively formed in two sides of the inner wall of each of the two sleeves 16, two second sliding blocks 21 are respectively fixedly arranged at bottom ends of two sides of each of the two threaded pipes 17, the two second sliding blocks 21 are respectively slidably arranged inside the two second sliding grooves 20, and in the up-and-down movement process of the threaded pipe 17, the threaded pipe 17 can be prevented from rotating along with the third stud 18 by matching the second sliding blocks 21 with the second sliding grooves 20, so that the threaded pipe 17 cannot move up and down.

Preferably, the top of two screwed pipes 17 inboard all is through two arc clamp plates 15 of connecting rod 24 difference fixedly connected with, and the bottom of two arc clamp plates 15 is all fixed and is equipped with rubber pad 22, reciprocates through screwed pipe 17 and can drive arc clamp plate 15 and compress tightly the middle part of stop valve, further improves the stability of adding man-hour, can prevent to damage the valve gap of valve body through rubber pad 22.

Preferably, locking nuts 23 are threadedly mounted on the tops of the four first studs 8 and the tops of the two second studs 12, and the upper clamping block 9 and the sliding plate 13 are conveniently positioned through the locking nuts 23.

When in use, the utility model relates to a positioning fixture for production and processing of stop valves, firstly two lead screws 6 are rotated through a first handle 7, because the thread directions of the two sides of the lead screws 6 are opposite, the lead screws 6 can drive two lower clamping blocks 3 to move in the same direction or in opposite directions in the rotating process, then the distance between the two lower clamping blocks 3 can be adjusted, firstly the distance between the two lower clamping blocks 3 is increased, simultaneously the distance between two sliding plates 13 can be adjusted by adjusting the matching of different positions of a second stud 12 and a strip-shaped opening 14, then the distance between the two sliding plates 13 is increased, then a valve body to be processed is arranged in the middle of the top end of a base 1, then the two lead screws 6 are rotated to adjust the distance between the two lower clamping blocks 3 to an appropriate distance, then a locking nut 23 on the first stud 8 is tightly adjusted, and flange parts at the two ends of the valve body are clamped through the matching of a lower arc-, the positioning clamp can be adjusted and clamped according to the size of the valve body within a certain range, the application range is expanded, after the adjustment is finished, the matching positions of the two second studs 12 and the two strip-shaped openings 14 are adjusted to proper positions until the two arc-shaped pressing plates 15 are positioned at the tops of the two sides of the valve cover of the valve body, at the moment, the two third studs 18 are rotated by the second handle 19, as the sleeve 16 is in a fixed state, the third studs 18 rotate to drive the threaded pipe 17 to move up and down in the sleeve 16, the second handle 19 is rotated to adjust the bottom ends of the two arc-shaped pressing plates 15 to be contacted with the top end of the valve cover, the valve cover of the valve body can be pressed tightly by the two arc-shaped pressing plates 15, the stability is further improved, the distance between the two sliding plates 13 can be adjusted by adjusting the matching positions of the second studs 12 and the strip-shaped, the positioning fixture can be adjusted and positioned according to the specific size height of the valve body, and is convenient to adjust.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 positioning fixture for production and processing of the stop valve comprises a base (1) and is characterized in that two supporting plates (2) are fixedly arranged on two sides of the top end of the base (1) respectively, two lower clamping blocks (3) are arranged between the two supporting plates (2) in a sliding manner, a first sliding groove (4) perpendicular to the supporting plates (2) is formed in the middle of the top end of the base (1), two first sliding blocks (5) are fixedly arranged in the middle of the bottom ends of the two lower clamping blocks (3) respectively, the two first sliding blocks (5) are arranged on two sides inside the first sliding groove (4) in a sliding manner respectively, two sides of the inner side of one supporting plate (2) are matched with one ends of two lead screws (6) respectively through two lead screw seats, two ends of the two lead screws (6) sequentially penetrate through two sides of the two lower clamping blocks (3) and two sides of the other supporting plate (2) in a threaded manner and are arranged on the outer side, two the other end of lead screw (6) is fixed respectively is equipped with two first handles (7), every the screw thread direction of lead screw (6) both sides is all opposite, two the both sides side on clamp splice (3) top is fixed respectively and is equipped with four first double-screw bolts (8), four first double-screw bolt (8) are connected with the both sides side activity interlude of two last clamp splice (9) respectively, two arc wall (10) down have been seted up respectively to the middle part on clamp splice (3) top down, two arc wall (11) have been seted up respectively to the middle part of going up clamp splice (9) bottom.

2. The positioning fixture for stop valve production and processing according to claim 1, characterized in that: two second studs (12) are respectively and fixedly arranged on two sides of the top end of the base (1), two sides on base (1) top slide respectively and be equipped with two slide (13), two bar opening (14), two have been seted up respectively at the middle part of slide (13) two bar opening (14), two second double-screw bolt (12) are connected with the one end interlude of two bar opening (14) respectively, two the top of slide (13) one end is fixed respectively and is equipped with two sleeve (16), two sleeve (16) slip cover respectively and establish the bottom at two screwed pipes (17) that are the L type, two the bottom of sleeve (16) inner wall all rotates with the bottom of two third double-screw bolts (18) through the bearing respectively and is connected, two the middle part of third double-screw bolt (18) is connected with the middle part screw thread interlude of two screwed pipes (17) respectively, two the top of third double-screw bolt (18) is all fixed and is equipped with second handle (19).

3. The positioning fixture for stop valve production and processing according to claim 2, characterized in that: two second sliding grooves (20) are respectively formed in two sides of the inner wall of each of the two sleeves (16), two second sliding blocks (21) are respectively fixedly arranged at the bottom ends of two sides of each of the two threaded pipes (17), and the two second sliding blocks (21) are respectively arranged inside the two second sliding grooves (20) in a sliding mode.

4. The positioning fixture for stop valve production and processing according to claim 2, characterized in that: the top ends of the inner sides of the two threaded pipes (17) are respectively and fixedly connected with two arc-shaped pressing plates (15) through connecting rods (24), and rubber pads (22) are fixedly arranged at the bottom ends of the two arc-shaped pressing plates (15).

5. The positioning fixture for stop valve production and processing according to claim 2, characterized in that: and locking nuts (23) are respectively installed on the tops of the four first studs (8) and the tops of the two second studs (12) in a threaded mode.