CN219504571U

CN219504571U - Clamp for clamping valve body during processing of valve body flange

Info

Publication number: CN219504571U
Application number: CN202320300174.4U
Authority: CN
Inventors: 程元亮
Original assignee: Yanshan Bojun Pipeline Manufacturing Co ltd
Current assignee: Yanshan Bojun Pipeline Manufacturing Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-11
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to the technical field of valve body production, in particular to a clamp for clamping a valve body during processing of a valve body flange, which comprises a base, wherein an arc-shaped seat is fixed on the base, a flange body is vertically arranged in the arc-shaped seat, a bottom clamping block is tightly attached to the base in a sliding manner, two bottom clamping blocks are tightly clamped with the flange body, a first cylinder body is fixed on the bottom clamping block, a top clamping block is fixed on a piston rod of the first cylinder body, an extrusion pad is fixed on the top clamping block, and the two extrusion pads are tightly contacted with the flange body. According to the utility model, the center position of the bottom end of the flange body can be supported through the arc-shaped seat and the positioning block, then, the flange body can be stably positioned through the matching clamping of the bottom clamping block and the top clamping block, the distance between the bottom clamping block and the top clamping block can be adjusted through the extension and retraction of the piston rod of the first cylinder body, and the bottom clamping block can be moved in opposite directions and close to each other, so that the requirements of flange bodies with different diameters can be met.

Description

Clamp for clamping valve body during processing of valve body flange

Technical Field

The utility model relates to the technical field of valve body production, in particular to a clamp for clamping a valve body during processing of a valve body flange.

Background

Valves are one of the necessary switching tools for liquid or gas transportation in daily life, and are of various kinds and are communicated by being erected between adjacent pipelines.

The flange gate valve is a gate valve with a flange in a connection mode, and the flange gate valve is most common in the connection mode, and is stable and reliable when used in a pipeline, so that the flange gate valve is commonly used in a high-pressure pipeline.

For example, according to the authority publication CN209453179U, a clamp for clamping a valve body during processing a flange of the valve body includes a clamp bracket a and a clamp bracket b, the clamp bracket a and the clamp bracket b are fixedly connected through a connecting piece, an electric push rod a and an electric push rod b are respectively installed on one outer wall of the clamp bracket a and one outer wall of the clamp bracket b through a mounting frame, and output ends of the electric push rod a and the electric push rod b respectively pass through a movable rod a and a movable rod b and extend to an outer part of the clamp bracket a and the clamp bracket b to be provided with a push rod a and a push rod b.

According to the utility model, the two ejector rods are arranged, when the valve body is clamped, the valve body can be fixed by only enabling the two ejector rods to approach and clamping the valve body clamping plate into the two valve ports of the valve body, so that the condition of directly clamping the outer part of the valve body is avoided, the clamping injury to the surface of the valve body is effectively prevented, and the valve body is effectively protected.

At present, when the valve body flange is produced, the valve body flange needs to be perforated and finely machined in the hole and the flange body, so that the valve body flange needs to be fixedly placed for guaranteeing the machining stability of the valve body flange, and high-quality operation of workers on the flange body is guaranteed.

Disclosure of Invention

The utility model aims to provide a clamp for clamping a valve body during processing of the valve body flange, so as to solve the problem of stable placement of the valve body flange.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a be used for anchor clamps of centre gripping valve body when processing valve body flange, includes the base, be fixed with the arc seat on the base, vertical put in the arc seat has the flange body, it has the bottom clamp splice to slide on the base to hug closely, and two bottom clamp splice and flange body centre gripping are hugged closely, be fixed with first cylinder body on the bottom clamp splice, be fixed with the top clamp splice on the piston rod of first cylinder body, be fixed with the extrusion pad on the top clamp splice, two extrusion pads are hugged closely with the flange body contact.

Preferably, the front end and the rear end of the arc-shaped seat are fixedly embedded with a second cylinder body, a positioning block tightly attached to the flange body is fixed on a piston rod of the second cylinder body, and the middle position of the bottom of the flange body can be initially positioned when being placed.

Preferably, an inner cavity is formed in the base, bearings are fixedly embedded into two sides of the inner wall of the inner cavity, and rotation stability of the driving shaft is guaranteed.

Preferably, the bearing is internally provided with a driving shaft in an interference fit manner, the base is fixedly provided with a motor, a rotating shaft of the motor is fixed with the driving shaft through a coupler, the motor is of a stepping type, and is connected with the indoor 220V power strip in an inserting manner through a wire plug in an inserting manner, the motor is externally connected with a positive and negative rotation switch through a wire, and the motor is of a HY2-8 type.

Preferably, two sections of equal-length thread bulges are arranged on the driving shaft, and the two sections of thread bulges are opposite in direction, so that the two bottom clamping blocks can be ensured to approach or separate from each other at the same time.

Preferably, the thread protrusion is provided with a thread sleeve in a threaded manner, and a limit rod installed with the bottom clamping block is fixed on the thread sleeve and can drive the bottom clamping block to drive and move.

Preferably, a limiting hole is formed in the inner wall of the inner cavity, and the limiting rod is in sliding close contact with the limiting hole, so that horizontal movement of the bottom clamping block can be guaranteed.

Preferably, the extrusion pad is divided into an outer layer and an inner layer, wherein the outer layer is made of soft rubber materials, and the inner layer is made of hard rubber materials, so that the clamping stability of the upper side face of the flange body is ensured.

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

1. according to the utility model, the center position of the bottom end of the flange body can be supported through the arc-shaped base and the positioning block, and then the flange body can be stably positioned through the matched clamping of the bottom clamping block and the top clamping block.

2. According to the utility model, the distance between the bottom clamping block and the top clamping block can be adjusted through the extension and retraction of the piston rod of the first cylinder body, and the bottom clamping block can be moved in opposite directions to be close to the flange body, so that the requirements of flange bodies with different diameters can be met.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the positioning block according to the present utility model;

fig. 3 is a schematic view of the structure of the extrusion pad of the present utility model.

In the figure: 1. a base; 11. an arc-shaped seat; 12. a flange body; 13. a bottom clamping block; 14. a first cylinder; 15. a top clamp block; 16. a squeeze pad; 2. a second cylinder; 21. a positioning block; 3. an inner cavity; 31. a bearing; 32. a drive shaft; 33. a motor; 34. a threaded boss; 35. a thread sleeve; 36. a limit rod; 37. a limiting hole; 4. an outer layer; 41. an inner layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example I

Referring to fig. 1, a clamp for clamping a valve body during processing of a flange of the valve body includes a base 1, an arc-shaped seat 11 is fixed on the base 1, a flange body 12 is vertically disposed in the arc-shaped seat 11, a bottom clamping block 13 is tightly attached to the base 1 in a sliding manner, the two bottom clamping blocks 13 are tightly clamped with the flange body 12, a first cylinder 14 is fixed on the bottom clamping block 13, a top clamping block 15 is fixed on a piston rod of the first cylinder 14, a pressing pad 16 is fixed on the top clamping block 15, and the two pressing pads 16 are tightly contacted with the flange body 12.

Referring to fig. 1, the two ends of the arc-shaped seat 11 are fixedly embedded with the second cylinder body 2, and a positioning block 21 tightly attached to the flange body 12 is fixed on a piston rod of the second cylinder body 2, so that the middle position of the bottom of the flange body 12 can be initially positioned when being placed.

When the embodiment is used, the following steps are adopted: through bottom clamp splice 13, top clamp splice 15 and locating piece 21, can realize the multiple spot location centre gripping, guarantee the processing stability of flange body 12.

Example II

Referring to fig. 1, this embodiment further illustrates an embodiment 1, which is a fixture for clamping a valve body during processing of a flange of the valve body, and includes a base 1, an arc-shaped seat 11 is fixed on the base 1, a flange body 12 is vertically disposed in the arc-shaped seat 11, a bottom clamping block 13 is slidably and tightly attached to the base 1, two bottom clamping blocks 13 are tightly and tightly clamped with the flange body 12, a first cylinder 14 is fixed on the bottom clamping block 13, a top clamping block 15 is fixed on a piston rod of the first cylinder 14, and pressing pads 16 are fixed on the top clamping block 15, and the two pressing pads 16 are tightly contacted with the flange body 12.

Referring to fig. 1 and 3, the pressing pad 16 is divided into an outer layer 4 and an inner layer 41, wherein the outer layer 4 is made of soft rubber material, and the inner layer 41 is made of hard rubber material, so as to ensure stable clamping of the upper side of the flange body 12.

When the embodiment is used, the following steps are adopted: the press pad 16 is engaged with the inner layer 41 by the outer layer 4, so that the friction damage to the flange body 12 can be avoided by the hard contact during the up-and-down movement engagement during the clamping process.

Example III

Referring to fig. 1, this embodiment further illustrates another example, a clamp for clamping a valve body during processing of a flange of the valve body, including a base 1, an arc-shaped seat 11 fixed on the base 1, a flange body 12 vertically disposed in the arc-shaped seat 11, a bottom clamping block 13 sliding and tightly attached on the base 1, two bottom clamping blocks 13 tightly clamped and tightly attached to the flange body 12, a first cylinder 14 fixed on the bottom clamping block 13, a top clamping block 15 fixed on a piston rod of the first cylinder 14, and pressing pads 16 fixed on the top clamping block 15, wherein the two pressing pads 16 tightly contact and attach to the flange body 12.

Referring to fig. 1 and 2, an inner cavity 3 is provided on a base 1, and bearings 31 are fixedly embedded into two sides of an inner wall of the inner cavity 3 to ensure stable rotation of a driving shaft 32.

Referring to fig. 1 and 2, a driving shaft 32 is in interference fit in a bearing 31, a motor 33 is fixed on a base 1, a rotating shaft of the motor 33 is fixed with the driving shaft 32 through a coupling, the motor 33 is of a stepper type, is plugged and electrified with an indoor 220V power strip through a wire plug, and the motor 33 is externally connected with a forward and reverse switch through a wire and is of a type HY2-8.

Referring to fig. 1 and 2, two sections of equal-length threaded protrusions 34 are provided on the driving shaft 32, and the two sections of threaded protrusions 34 are opposite in direction, so that the two bottom clamping blocks 13 can be guaranteed to approach or separate from each other at the same time.

Referring to fig. 1 and 2, a threaded sleeve 35 is screwed on the threaded protrusion 34, and a stop lever 36 mounted on the bottom clamping block 13 is fixed on the threaded sleeve 35, so as to drive the bottom clamping block 13 to move.

Referring to fig. 1 and 2, a limiting hole 37 is provided on the inner wall of the inner cavity 3, and the limiting rod 36 is in sliding close contact with the limiting hole 37, so as to ensure the horizontal movement of the bottom clamping block 13.

When the embodiment is used, the following steps are adopted: when the flange body 12 needs to be clamped, the flange body 12 is placed in the arc-shaped seat 11, and the positioning block 21 can be positioned preliminarily from the front position to the rear position through the extension and retraction of the piston rod of the second cylinder body 2.

Then, through forward and reverse rotation switch, start motor 33, motor 33 drives drive shaft 32 and rotates for screw thread protruding 34 linkage, thereby make thread bush 35 activity, cooperation gag lever post 36 slides in spacing hole 37, and the effect that positive and negative screw thread protruding 34 distributes, thereby make two bottom clamp splice 13 can carry out the centre gripping location to the below position side of flange body 12, simultaneously, top clamp splice 15 cooperation extrusion pad 16 can carry out the centre gripping location to the above position side of flange body 12, through the flexible of first cylinder body 14, can carry out suitable adjustment cooperation according to the height of flange body 12.

It is noted that relational terms such as first and second, 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A clamp for clamping a valve body during processing of a flange of the valve body, comprising a base (1), characterized in that: be fixed with arc seat (11) on base (1), vertical flange body (12) of putting in arc seat (11), slide on base (1) and closely have bottom clamp splice (13), two bottom clamp splice (13) are hugged closely with flange body (12) centre gripping, be fixed with first cylinder body (14) on bottom clamp splice (13), be fixed with top clamp splice (15) on the piston rod of first cylinder body (14), be fixed with extrusion pad (16) on top clamp splice (15), two extrusion pads (16) are hugged closely with flange body (12) contact.

2. A clamp for clamping a valve body in the machining of a valve body flange as recited in claim 1, wherein: the front end and the rear end of the arc-shaped seat (11) are fixedly embedded with a second cylinder body (2), and a piston rod of the second cylinder body (2) is fixedly provided with a positioning block (21) which is tightly attached to the flange body (12).

3. A clamp for clamping a valve body in the machining of a valve body flange as recited in claim 1, wherein: an inner cavity (3) is formed in the base (1), and bearings (31) are fixedly embedded in two sides of the inner wall of the inner cavity (3).

4. A fixture for holding a valve body in processing a flange of the valve body as recited in claim 3, wherein: the bearing (31) is internally provided with a driving shaft (32) in an interference fit mode, the base (1) is fixedly provided with a motor (33), and a rotating shaft of the motor (33) is fixed with the driving shaft (32) through a coupler.

5. A clamp for clamping a valve body in processing a valve body flange as recited in claim 4, wherein: two sections of equal-length threaded bosses (34) are arranged on the driving shaft (32), and the directions of the two sections of threaded bosses (34) are opposite.

6. A clamp for clamping a valve body in processing a valve body flange as recited in claim 5, wherein: the thread protrusion (34) is provided with a thread sleeve (35) in a threaded manner, and a limiting rod (36) mounted with the bottom clamping block (13) is fixed on the thread sleeve (35).

7. A clamp for clamping a valve body in processing a valve body flange as recited in claim 6, wherein: the inner wall of the inner cavity (3) is provided with a limiting hole (37), and the limiting rod (36) is in sliding close contact with the limiting hole (37).

8. A clamp for clamping a valve body in the machining of a valve body flange as recited in claim 1, wherein: the extrusion pad (16) is divided into an outer layer (4) and an inner layer (41), wherein the outer layer (4) is made of soft rubber materials, and the inner layer (41) is made of hard rubber materials.