CN216576732U

CN216576732U - Positioning tool for machining end face hole position of brake valve body

Info

Publication number: CN216576732U
Application number: CN202123123714.6U
Authority: CN
Inventors: 李岩; 郭猛
Original assignee: Shenyang Westinghouse Brake Technology Co ltd
Current assignee: Shenyang Westinghouse Brake Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-24
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a positioning tool for processing a hole site on the end face of a valve body of a brake valve, which comprises a support plate, wherein a fixed groove is arranged on the support plate, a butt clamp limiting structure is arranged in the fixed groove, a backing plate block is arranged at the middle position of the butt clamp limiting structure, and an inner support pushing structure is arranged on the backing plate block. The problem of local deformation of the valve body is caused by the pressure of pressing down the drilling machine in the vertical direction.

Description

Positioning tool for machining end face hole position of brake valve body

Technical Field

The utility model relates to the technical field of brake valve body processing, in particular to a positioning tool for processing an end face hole position of a brake valve body.

Background

The train brake device is used for realizing the deceleration or stop operation of a train and ensuring the running safety, and consists of an air supply system and an automatic brake valve which are arranged on the locomotive, a brake machine and a basic brake device which are respectively arranged on the locomotive and the train and a brake pipe (also called a train pipe) which penetrates through the whole train, wherein the whole brake system is filled with compressed air, the brake valve is one of key components of a railway train brake control system, in the process of processing a valve body of the brake valve, holes are needed to be punched at the end face of the valve body according to the design requirement, in the prior art, after a clamping tool is generally adopted to clamp and fix the valve body, the drilling operation is carried out by matching with the drilling equipment, and the traditional clamping tool has a single structure, can not clamp valve bodies with different types and sizes, can only clamp and fix the valve body from the outside, and can easily cause the damage to the surface of the valve body, meanwhile, the lower part of the end face of the valve body at the drilling position is not effectively supported, and the valve body near the hole position is easy to deform due to too high pressing speed, so that the machining precision and the product quality are influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a positioning tool for processing the end face hole position of a valve body of a brake valve, and solves the problems in the prior art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a brake valve body terminal surface hole site processing is with location frock, includes the backup pad, be equipped with the fixed slot in the backup pad, be provided with in the fixed slot and to pressing from both sides limit structure, it is equipped with the backing plate piece to pressing from both sides limit structure intermediate position, be provided with internal stay incremental launching structure on the backing plate piece, internal stay incremental launching structure includes: the sleeve seat is arranged on the backing plate block, the elastic support component is arranged in the sleeve seat, the lower end of the ejection column is inserted into the sleeve seat and connected with the elastic support component, an assembly threaded hole is formed in the ejection column, an external thread is formed in the wall surface of the outer side of the lower end of the limiting block, the external thread is matched with the assembly threaded hole, and a cutter feeding hole is reserved in the upper end of the limiting block.

Preferably, the elastic support assembly includes: annular seat, compression spring and inserted bar, the annular seat sets up in the cover barrel holder, compression spring sets up on the annular seat and one end is connected with the top post that pushes away, the inserted bar sets up on the lower terminal surface central point of top post puts and the lower extreme slides the cartridge in the annular seat.

Preferably, the butt clamp limit structure includes: the device comprises a drive control assembly, a split lead screw, two moving blocks and a limiting clamping assembly, wherein the drive control assembly is arranged in a fixed groove, one end of the split lead screw is rotatably connected with the fixed groove, the other end of the split lead screw is connected with the drive control assembly, the two moving blocks are symmetrically and rotatably connected to the split lead screw through lead screw nuts respectively and are in sliding connection with the side wall of the fixed groove through sliding supporting members, and the limiting clamping assembly is assembled and connected to the moving blocks.

Preferably, the drive control assembly includes: servo motor, reduction gear and connecting axle, servo motor sets up in the fixed slot, the input of reduction gear is connected with servo motor's drive end, connecting axle one end is connected with the output of reduction gear, the other end is connected with the counter-pull screw.

Preferably, the sliding support member includes: the two guide rails are symmetrically arranged on the inner side wall surface of the fixed groove, and the two sliding blocks are respectively sleeved on the two guide rails in a sliding mode and connected with the side wall of the moving block.

Preferably, the position-limiting clamping component comprises: the L-shaped clamping plate is welded on the mounting seat, and the mounting seat is connected with the moving block in an assembling mode through a positioning bolt.

Advantageous effects

The utility model provides a positioning tool for machining hole positions on the end face of a valve body of a brake valve. The method has the following beneficial effects: the positioning tool for processing the end face hole position of the brake valve body is characterized in that a butt clamp limiting structure is arranged on a supporting plate, a backing plate block is arranged in the middle of the opposite-clamping limiting structure, an inner-supporting pushing structure is arranged on the backing plate block, according to the requirements of the actually processed hole site, a limiting block with proper size is assembled at the upper part of the inner support pushing structure, the valve body to be processed is buckled on the inner support pushing structure, and the valve body is pressed downwards, so that the lower end of the valve body is attached to the upper end face of the supporting plate, the butt clamp limiting structure is started, the flange position of the valve body is locked from two sides by the butt clamp limiting structure, thereby realizing the positioning and clamping of the whole valve body, providing a certain elastic support for the end face of the valve body in the interior, effectively avoiding the phenomenon that in the drilling process, the problem that the local part of the valve body is deformed due to the downward pressing pressure of the drilling machine in the vertical direction is solved, and meanwhile, the tool can be suitable for valve bodies of different models and sizes to perform end part hole opening operation.

Drawings

Fig. 1 is a schematic three-dimensional structure view of a positioning tool for machining an end face hole position of a valve body of a brake valve.

Fig. 2 is a schematic axial structure diagram of the positioning tool for processing the end face hole position of the valve body of the brake valve.

Fig. 3 is a schematic front view cross-sectional structure diagram of a positioning tool for processing an end face hole position of a valve body of a brake valve according to the present invention.

Fig. 4 is a schematic perspective view of a limiting block of the positioning tool for processing the end face hole position of the valve body of the brake valve according to the present invention.

In the figure: 1. a support plate; 2. fixing grooves; 3. a backing plate block; 4. a sleeve seat; 5. pushing the column; 6. a limiting block; 7. an annular seat; 8. a compression spring; 9. inserting a rod; 10. oppositely pulling the screw rod; 11. a moving block; 12. a servo motor; 13. a speed reducer; 14. a connecting shaft; 15. a guide rail; 16. a slider; 17. a mounting seat; 18. an L-shaped clamping plate; 19. and (6) positioning the bolt.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Referring to fig. 1-4, the present invention provides a positioning tool for machining end holes of a valve body of a brake valve, comprising:

example (b): as can be known from the attached drawings 1-4 of the specification, the scheme comprises a supporting plate 1, a fixing groove 2 is arranged on the supporting plate 1, a butt clamp limiting structure is arranged in the fixing groove 2, a backing plate block 3 is arranged at the middle position of the butt clamp limiting structure, an internal support pushing structure is arranged on the backing plate block 3, and the internal support pushing structure comprises: the tool support plate comprises a sleeve seat 4, an elastic support component, a pushing column 5 and a limiting block 6, wherein the sleeve seat 4 is arranged on a backing plate block 3, the elastic support component is arranged in the sleeve seat 4, the lower end of the pushing column 5 is inserted into the sleeve seat 4 and is connected with the elastic support component, an assembly threaded hole is formed in the pushing column 5, an external thread is formed in the outer side wall surface of the lower end of the limiting block 6 and is matched with the assembly threaded hole, a cutter feeding hole is reserved at the upper end of the limiting block 6, when the tool support plate 1 is used, the tool support plate 1 is fixed on a drilling equipment table, the limiting block 6 is selected according to actual use requirements, the limiting block 6 is assembled in the assembly threaded hole in the pushing column 5 by utilizing the external thread at the lower end of the limiting block 6, a valve body to be processed is buckled on the limiting block 6, the valve body is pressed downwards, the limiting block 6 and the pushing column 5 synchronously move downwards to enable the pushing column 5 to slide downwards in the sleeve seat 4, and extrude the elastic support subassembly, make the valve body lower extreme paste with backing plate piece 3 mutually, stopper 6 is under the pushing action of the elastic support subassembly of top pushing post 5 lower part this moment, keep the holding power to the valve body terminal surface, avoid in drilling process, the problem that the feed pressure extrudeed the valve body terminal surface and causes the valve body local deformation, press the back in place, start to press from both sides limit structure, utilize to press from both sides limit structure and carry out spacing fixed to the flange position of valve body upper end both sides, thereby realize fixing the valve body fast, after fixed, utilize drilling equipment to carry out drilling operation to the valve body terminal surface, the feed depth that the drill bit can be guaranteed to the up end of stopper 6 upper end leaves the feed hole of establishing and runs through the valve body terminal surface completely, guarantee the pore-forming effect.

As can be seen from fig. 1 to 4 of the specification, in the implementation process, the elastic support assembly includes: annular seat 7, compression spring 8 and inserted bar 9, its position relation and relation of connection are as follows, annular seat 7 sets up in cover barrel holder 4, compression spring 8 sets up on annular seat 7 and one end is connected with top pushing column 5, inserted bar 9 sets up on the lower terminal surface central point of top pushing column 5 and the lower extreme slides the cartridge in annular seat 7, in the use, press down the valve body in-process, the valve body extrudes stopper 6, and then the top pushing column 5 lapse that promotes the lower extreme, the inserted bar 9 lower extreme of top pushing column 5 lower part inserts downwards in annular seat 7, simultaneously top pushing column 5 extrudees compression spring 8, compression spring 8's elasticity that resets provides ascending holding power for top pushing column 5, thereby can effectively guarantee the holding power of stopper 6 and valve body terminal surface.

As can be seen from fig. 1 to 3 in the specification, in the specific implementation process, the butt-clamping limiting structure includes: drive control assembly, to the lead screw 10, two movable blocks 11 and spacing card solid subassembly, drive control assembly sets up in fixed slot 2, to lead screw 10 one end with fixed slot 2 rotate be connected, the other end is connected with drive control assembly, two movable blocks 11 connect soon on to lead screw 10 and through slip supporting component and 2 lateral wall sliding connection of fixed slot through screw nut symmetry respectively, spacing card solid subassembly be assembled between/be connected between on movable block 11, wherein drive control assembly includes: servo motor 12, reduction gear 13 and connecting axle 14, servo motor 12 sets up in fixed slot 2, and the input of reduction gear 13 is connected with servo motor 12's drive end, and connecting axle 14 one end is connected with reduction gear 13's output, the other end with to the lead screw 10 is connected, above-mentioned slip supporting component includes: two guide rails 15 and two sliding blocks 16, the two guide rails 15 are symmetrically arranged on the inner side wall surface of the fixed groove 2, the two sliding blocks 16 are respectively sleeved on the two guide rails 15 in a sliding manner and are connected with the side wall of the moving block 11, when in use, a proper limit clamping component is assembled on the moving block 11 according to the actual valve body model and size, the servo motor 12 in the fixed groove 2 is started, the driving end of the servo motor 12 is controlled to rotate, then the input end of the speed reducer 13 is driven to rotate, then the connecting shaft 14 on the output end of the speed reducer 13 is driven to rotate, then the connecting shaft 14 rotates to drive the opposite pulling screw rod connected with the connecting shaft to rotate, the opposite pulling screw rod 10 rotates to enable the moving seat to horizontally slide along the guide rails 15 under the connecting action of the screw nut and the sliding blocks 16 on the two sides, and further enable the limit clamping components on the two sides of the cushion block 3 to move oppositely, thereby carry out spacing card to the flange position of valve body up end and fix, realize pressing from both sides the dress operation to the location of valve body, and in the same way, the drive end antiport of control servo motor 12, and then make movable block 11 remove the limiting displacement to the valve body back to back, the valve body upwards plays under the elasticity supporting role, is convenient for take off the valve body.

In the specific implementation process, as an optimal setting, the limiting clamping component comprises: mount pad 17 and L type cardboard 18, L type cardboard 18 welds on mount pad 17, mount pad 17 passes through positioning bolt 19 and movable block 11 be assembled between/be connected between, during the use, according to actual valve body model and size, select suitable size's L type cardboard 18 to utilize mount pad 17 of L type cardboard 18 lower part to assemble on the movable block 11 through positioning bolt 19, moreover, the steam generator is simple in structure, the commonality is good, can adapt to the valve body of different model sizes and carry out the operation of terminal surface trompil.

In conclusion, the positioning tool for processing the end face hole position of the valve body of the brake valve is provided with the butt clamp limiting structure on the supporting plate 1, a backing plate block 3 is arranged in the middle of the opposite-clamping limiting structure, an inner-supporting pushing structure is arranged on the backing plate block 3, according to the requirements of the actually processed hole site, a limiting block 6 with proper size is assembled at the upper part of the inner support pushing structure, the valve body to be processed is buckled on the inner support pushing structure, and the valve body is pressed downwards, so that the lower end of the valve body is attached to the upper end surface of the supporting plate 1, the butt clamp limiting structure is started, the flange position of the valve body is locked from two sides by the butt clamp limiting structure, thereby realizing the positioning and clamping of the whole valve body, simultaneously providing a certain elastic support for the end surface of the valve body in the interior, effectively avoiding the phenomenon that in the drilling process, the problem that the local part of the valve body is deformed due to the downward pressing pressure of the drilling machine in the vertical direction is solved, and meanwhile, the tool can be suitable for valve bodies of different models and sizes to perform end part hole opening operation.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a brake valve body terminal surface hole site processing is with location frock, includes backup pad (1), its characterized in that, be equipped with fixed slot (2) in backup pad (1), be provided with in fixed slot (2) and to pressing from both sides limit structure, be equipped with backing plate piece (3) to pressing from both sides limit structure intermediate position, be provided with the internal stay on backing plate piece (3) and push away the structure, the internal stay pushes away the structure and includes: cover barrel seat (4), elastic support component, top pushing column (5) and stopper (6), cover barrel seat (4) set up on backing plate piece (3), the elastic support component sets up in cover barrel seat (4), top pushing column (5) lower extreme cartridge just is connected with the elastic support component in cover barrel seat (4), set up assembly screw hole on top pushing column (5), set up the external screw thread on stopper (6) lower extreme outside wall, external screw thread and assembly screw hole phase-match, stopper (6) upper end is stayed and is equipped with the tool feed hole.

2. The brake valve body terminal surface hole site processing of claim 1 is with location frock, characterized in that, the elastic support subassembly includes: annular seat (7), compression spring (8) and inserted bar (9), annular seat (7) set up in cover barrel holder (4), compression spring (8) set up on annular seat (7) and one end is connected with top pushing column (5), inserted bar (9) set up in the lower terminal surface central point of top pushing column (5) put on and the lower extreme slides the cartridge in annular seat (7).

3. The brake valve body terminal surface hole site processing of claim 1 is with location frock, characterized in that, butt clamp limit structure includes: the device comprises a drive control assembly, a split lead screw (10), two moving blocks (11) and a limiting clamping assembly, wherein the drive control assembly is arranged in a fixed groove (2), one end of the split lead screw (10) is rotatably connected with the fixed groove (2), the other end of the split lead screw is connected with the drive control assembly, the two moving blocks (11) are symmetrically and spirally connected to the split lead screw (10) through lead screw nuts respectively and are in sliding connection with the side wall of the fixed groove (2) through sliding supporting components, and the limiting clamping assembly is assembled and connected to the moving blocks (11).

4. The brake valve body terminal surface hole site processing of claim 3 is with location frock, characterized in that, the drive control subassembly includes: servo motor (12), reduction gear (13) and connecting axle (14), servo motor (12) set up in fixed slot (2), the input of reduction gear (13) is connected with servo motor (12)'s drive end, connecting axle (14) one end is connected with the output of reduction gear (13), the other end is connected with counter-pull lead screw (10).

5. The brake valve body end face hole site processing of claim 3 is with location frock, characterized in that, the slip supporting member includes: the two guide rails (15) and the two sliding blocks (16), the two guide rails (15) are symmetrically arranged on the inner side wall surface of the fixed groove (2), and the two sliding blocks (16) are respectively sleeved on the two guide rails (15) in a sliding mode and are connected with the side wall of the moving block (11).

6. The brake valve body terminal surface hole site processing of claim 3 is with location frock, characterized in that, the solid subassembly of spacing card includes: the mounting structure comprises a mounting seat (17) and an L-shaped clamping plate (18), wherein the L-shaped clamping plate (18) is welded on the mounting seat (17), and the mounting seat (17) is assembled and connected with a moving block (11) through a positioning bolt (19).