CN217942335U

CN217942335U - Positioning tool for piston rod machining and welding

Info

Publication number: CN217942335U
Application number: CN202221295755.5U
Authority: CN
Inventors: 易荣政; 钱洪双; 雷泽高; 柯建财
Original assignee: Xiamen Hengtai Forging Co ltd
Current assignee: Xiamen Hengtai Forging Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-12-02
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a positioning tool for piston rod processing and welding, which belongs to the technical field of piston rod processing, and comprises a base, wherein a frame is fixedly arranged on the upper surface of the base, two piston rod end limiting seats are movably arranged below the interior of the frame, two lug limiting seats are slidably arranged in the frame above the two piston rod end limiting seats, a top locking bolt is arranged at the middle position of the upper surface of the frame in a threaded manner, and lateral part locking bolts are arranged at the positions of the front side surface and the rear side surface of the frame, which just face the two piston rod end limiting seats, in a threaded manner; through setting up the spacing seat cooperation guide arm of tailpiece of the piston rod and using, cooperation lateral part locking bolt can carry out spacing compressing tightly to tailpiece of the piston rod, and through setting up the spacing seat of two cooperation lugs of spring and top locking bolt use, can carry out spacing compressing tightly to the lug, can guarantee that the laminating is closely stable between piston rod and the lug, guarantees the welding effect, promotes welding precision, simple structure, convenient operation.

Description

Positioning tool for piston rod machining and welding

Technical Field

The utility model belongs to the technical field of the piston rod processing, concretely relates to piston rod processing welding is with location frock.

Background

The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and an air cylinder movement executing component, and the piston rod is a movement component with frequent movement and high technical requirements. Taking a hydraulic oil cylinder as an example, the hydraulic oil cylinder comprises: the cylinder barrel, the piston rod, the piston and the end cover. The quality of the processing quality directly influences the service life and the reliability of the whole product. The piston rod has high processing requirement, the surface roughness requirement of the piston rod is Ra0.4-0.8 mu m, the requirements on coaxiality and wear resistance are strict, and a lug playing a limiting role needs to be welded on a circular ring at the end part of the piston rod in the processing process of the piston rod.

When the existing lug welding is carried out on the piston rod, an effective limiting and positioning tool for the piston rod and the lug is lacked, so that the phenomenon that the lug is not tightly attached to the piston rod and is displaced or even separated easily is caused, and the welding precision is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piston rod processing welding is with location frock to when solving the current welding of taking to the piston rod that proposes in the above-mentioned background art, lack the effective spacing location frock to piston rod and taking, and then lead to easily that the phenomenon that the aversion even breaks away from does not closely appear in the laminating between taking and the piston rod, influence welding precision's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piston rod processing welding is with location frock, includes the base, the last fixed surface of base installs the frame, the inside below movable mounting of frame has two spacing seats of tailpiece of the piston rod, and slidable mounting has two spacing seats of lug in the frame of two spacing seats of tailpiece of the piston rod top, the positive intermediate position department screw thread of upper surface of frame installs top locking bolt, both sides face just installs lateral part locking bolt to the equal screw thread of position department of two spacing seats of tailpiece of the piston rod front and back, the upper surface of base is provided with two piston rod and bears the seat, and wherein left the piston rod bears a fixed mounting at the upper surface of base, wherein right side the piston rod bears the seat activity and sets up the upper surface at the base, wherein right side the piston rod bears the laminating on the seat and is provided with the U-shaped frame, be provided with the hold-down mechanism that is used for carrying out spacing compressing tightly to the piston rod head end on the U-shaped frame.

Adopt above-mentioned scheme, use through setting up the spacing seat cooperation guide arm of piston rod tip, cooperation lateral part locking bolt can carry out spacing compressing tightly to piston rod tip, use through setting up two cooperation lugs of spring spacing seat and top locking bolt, can carry out spacing compressing tightly to the lug, and then can guarantee to laminate closely stably between piston rod and the lug, effectively guarantee the welding effect, promote the welding precision, moreover, the steam generator is simple in structure, and convenient for operation, bear the seat through setting up the piston rod, the piston rod on right side bears the seat and can carry out the side-to-side motion, satisfy in bearing the use to the piston rod of different length specifications, application scope is wide, and utilize screw rod cooperation arc clamp plate to use and can compress tightly the tip of piston rod, the perk phenomenon can not appear in the assurance welding process piston rod, further guarantee welding stability, perfect function diversity.

As a preferred embodiment, guide rods are fixed at four corners of the side surface of the limiting seat at the end of the piston rod, the four guide rods slidably penetrate through the extending frame and are provided with the same limiting frame, a first spring is sleeved on the outer surface of each guide rod, and two ends of the first spring are fixedly connected with the side surface of the frame and the side surface of the limiting frame respectively.

Adopt above-mentioned scheme, use through setting up guide arm cooperation spring one, utilize the guide arm to carry out the direction support to the spacing seat of tailpiece of the piston rod for stability is better and difficult the appearance slope when the spacing seat of tailpiece of the piston rod moves, and the setting of spring one can order about the spacing seat of tailpiece of the piston rod when lateral part locking bolt is twisted out and reset, and the setting that utilizes spacing simultaneously can carry on spacingly to the guide arm, breaks away from the frame when avoiding the guide arm to slide.

As a preferred embodiment, a second spring is fixed on the side surface of the lug limiting seat, the other end of the second spring is fixedly connected with the inner wall of the frame, a first telescopic rod is arranged in the second spring, and two ends of the first telescopic rod are respectively fixedly connected with the inner wall of the frame and the side surface of the lug limiting seat.

By adopting the scheme, the setting of utilizing spring two can carry out preliminary spacing to the lug, and the stability of guaranteeing that the lug is placed is good, and utilizes telescopic link one can carry out spacing support to spring two and the spacing seat of lug for the spacing seat of lug stability when the motion is good.

As a preferred embodiment, the U-shaped frame is provided with a first threaded hole and a first threaded hole which is internally threaded with an adjusting bolt, wherein the right-side piston rod end limiting seat is provided with a second threaded hole which is opposite to the first threaded hole, the base is provided with a plurality of third threaded holes, and the tail end of the adjusting bolt sequentially penetrates through the first threaded hole and the second threaded hole and enters one of the third threaded holes.

By adopting the scheme, the U-shaped frame and the piston rod bearing seat on the right side can be connected by utilizing the adjusting bolt, the piston rod bearing seat on the right side can be adaptively adjusted, and the piston rod bearing seat on the right side can be used for piston rods with different length specifications.

As a preferable embodiment, the pressing mechanism comprises a screw rod, a hand wheel, a rotating shaft and an arc-shaped pressing plate, wherein the screw rod is installed on the U-shaped frame in a threaded mode, the hand wheel is installed at the top end of the screw rod, the rotating shaft is installed at the bottom end of the screw rod, and the arc-shaped pressing plate is installed at the bottom end of the rotating shaft in a rotating mode.

By adopting the scheme, the rotating shaft is driven to rotate by utilizing the rotation of the screw rod, the arc-shaped pressing plate is driven to move up and down, the end part of the piston rod can be limited and compressed, and the tilting phenomenon of the piston rod in the welding process is avoided.

As a preferable embodiment, the upper surfaces of the arc-shaped pressing plates on the two sides of the screw rod are provided with second telescopic rods, and the top ends of the second telescopic rods are fixedly connected with the inner wall of the U-shaped frame.

By adopting the scheme, the second telescopic rod can support the arc-shaped pressing plate, so that the up-and-down movement stability of the arc-shaped pressing plate is better.

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

the positioning tool for processing and welding the piston rod is used by arranging the limiting seat at the end part of the piston rod to be matched with the guide rod, can be used for limiting and pressing the end part of the piston rod by being matched with the locking bolt at the side part, can be used for limiting and pressing the lug by arranging the spring II to be matched with the limiting seat of the lug and the locking bolt at the top part, and further can ensure that the joint between the piston rod and the lug is tight and stable, the welding effect is effectively ensured, the welding precision is improved, the structure is simple, and the operation is convenient;

this location frock is used in piston rod processing welding bears the seat through setting up the piston rod, and the piston rod that the right side bore the seat and can carry out the side-to-side motion, satisfies in bearing the use to the piston rod of different length specifications, and application scope is wide, and utilizes screw rod cooperation arc clamp plate to use and can compress tightly the tip of piston rod, guarantees that the perk phenomenon can not appear in the piston rod among the welding process, further guarantees welding stability, perfect function diversity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the U-shaped frame of the present invention;

fig. 4 is a schematic structural view of the frame of the present invention.

In the figure: 1. a base; 2. a frame; 3. a piston rod end limiting seat; 4. a lug limiting seat; 5. a top locking bolt; 6. a piston rod bearing seat; 7. a U-shaped frame; 8. a guide bar; 9. a limiting frame; 10. a first spring; 11. a side locking bolt; 12. a second spring; 13. a first telescopic rod; 14. a screw; 15. a rotating shaft; 16. an arc-shaped pressing plate; 17. a second telescopic rod; 18. and adjusting the bolt.

Detailed Description

Please refer to fig. 1-4, the utility model provides a piston rod processing welding is with location frock, including base 1, base 1's last fixed surface installs frame 2, the inside below movable mounting of frame 2 has two spacing seats of tailpiece of the piston rod 3, four corner position departments of the spacing seat of tailpiece of the piston rod 3 side all are fixed with guide arm 8, four guide arm 8 all slide to run through and extend frame 2 and install same spacing 9, the surface cover of guide arm 8 is equipped with spring 10 and the both ends of spring 10 respectively with the side of frame 2 and the side fixed connection of spacing 9, use through setting up 8 cooperation springs 10 of guide arm, utilize guide arm 8 can lead to the support to the spacing seat of tailpiece of the piston rod 3, stability is better and difficult for appearing the slope when making the spacing seat of tailpiece of the piston rod 3 move, the setting of spring 10 can order about the spacing seat of tailpiece of the piston rod 3 to reset when lateral part locking bolt 11 is twisted out, utilize setting of spacing seat 9 to carry on limit to guide arm 8 simultaneously, break away from frame 2 when avoiding guide arm 8 to slide.

Sliding mounting has two spacing seats of lug 4 in the frame 2 of the spacing seat of 3 tops of two piston rod tip, the side of the spacing seat of lug 4 is fixed with the other end of two 12 and two 12 springs and the inner wall fixed connection of frame 2, two 12 inside telescopic links 13 that are provided with of spring, the both ends of one telescopic link 13 respectively with the inner wall of frame 2 and the side fixed connection of the spacing seat of lug 4, it is preliminary spacing to utilize setting up of two 12 springs to carry out the lug, guarantee that the stability of placing the lug is good, and utilize one 13 telescopic links to carry out spacing support to two 12 springs and the spacing seat of lug 4, make the spacing seat of lug 4 stability good when the motion.

The top locking bolt 5 is installed at the right middle position of the upper surface of the frame 2 in a threaded mode, the lateral locking bolt 11 is installed at the position, opposite to the two piston rod end limiting seats 3, of the front lateral surface and the rear lateral surface of the frame 2 in a threaded mode, the lateral locking bolt 6 is installed at the position, opposite to the two piston rod end limiting seats 3, of the front lateral surface of the frame 2 in a threaded mode, the piston rod bearing seats 6 on the left side are fixedly installed on the upper surface of the base 1, the piston rod bearing seats 6 on the right side are movably arranged on the upper surface of the base 1, the U-shaped frame 7 is arranged on the piston rod bearing seats 6 on the right side in a fit mode, the adjusting bolt 18 is installed in the threaded hole I and the threaded hole I in the U-shaped frame 7 in an internal thread mode, the threaded hole II is formed in the piston rod end limiting seats 3 on the right side in a fit mode, the base 1 is provided with the threaded holes III, the tail end of the adjusting bolt 18 sequentially penetrates through the threaded hole I and the threaded hole II and enters one of the threaded hole III, the piston rod bearing seats 7 on the right side can be connected through the adjusting bolt 18, the piston rod bearing seats 6 on the right side, the right side can be adaptively adjusted, and used for piston rod bearing seats 6 on the right side, and the piston rods with different length specifications can be used.

Be provided with on the U-shaped frame 7 and be used for carrying out spacing hold-down mechanism who compresses tightly to the piston rod head end, hold-down mechanism includes screw 14 that the screw thread was installed on U-shaped frame 7, install the hand wheel on screw 14 top, install pivot 15 in screw 14 bottom, rotate and install arc clamp plate 16 in pivot 15 bottom, utilize screw 14's rotation to order about pivot 15 and rotate, and then order about arc clamp plate 16 and carry out the up-and-down motion, and then can carry out spacing compressing tightly to tailpiece of the piston rod portion, the perk phenomenon appears in the piston rod among the avoidance of welding process.

The upper surfaces of the arc-shaped pressing plates 16 on the two sides of the screw rod 14 are provided with two telescopic rods 17, the top ends of the two telescopic rods 17 are fixedly connected with the inner wall of the U-shaped frame 7, and the two telescopic rods 17 can support the arc-shaped pressing plates 16, so that the up-and-down motion stability of the arc-shaped pressing plates 16 is better.

When the device is used, the position of the right piston rod bearing seat 6 is adjusted according to the length of the piston rod, the piston rod bearing seat 6 on the right side is supported by screwing out the adjusting bolt 18 to move left and right, the adjusting bolt 18 is adjusted to enable the piston rod bearing seat 6 on the right side to be attached to and placed on the piston rod bearing seat 6 on the right side when the piston rod is just lapped on the two piston rod bearing seats 6, the adjusting bolt 18 is screwed in to enable the adjusting bolt 18 to sequentially penetrate through the U-shaped frame 7 and the piston rod bearing seat 6 on the right side and enter the threaded hole III in the position at the moment, then the lateral locking bolt 11 is screwed in, the piston rod end limiting seats 3 can be extruded to move when the lateral locking bolt 11 is screwed in, the two piston rod end limiting seats 3 are close to each other to limit the piston rod, then the two lug limiting seats 4 are pulled to be far away from the extrusion spring II 12 to shrink, the lug is attached to be placed above the piston rod, the lug limiting seats 4 are loosened, the lug is preliminarily limited by utilizing the elasticity of the spring II 12, the top locking bolt 5 is used for further locking and limiting the lug, and welding operation can be further performed.

Claims

1. The utility model provides a piston rod processing welding is with location frock which characterized in that: including base (1), the last fixed surface of base (1) installs frame (2), the inside below movable mounting of frame (2) has two spacing seats of piston rod end (3), and sliding mounting has two spacing seats of lug (4) in frame (2) of two spacing seats of piston rod end (3) tops, the upper surface positive intermediate position department threaded mounting of frame (2) has top locking bolt (5), frame (2) front and back both sides face just installs lateral part locking bolt (11) to the equal screw thread of position department of two spacing seats of piston rod end (3), the upper surface of base (1) is provided with two piston rods and bears seat (6), and is wherein left the piston rod bears seat (6) fixed mounting at the upper surface of base (1), wherein right side the piston rod bears the upper surface of seat (6) activity setting at base (1), wherein right side the piston rod bears the laminating on seat (6) and is provided with U-shaped frame (7), be provided with on U-shaped frame (7) and be used for carrying out the hold-down mechanism that spacing compresses tightly to the piston rod.

2. The piston rod processing welding of claim 1 is with location frock, its characterized in that: four corner positions of the side face of the piston rod end limiting seat (3) are all fixed with guide rods (8), four guide rods (8) all slide to penetrate through the frame (2) and are provided with the same limiting frame (9), and the two ends of a first spring (10) and a first spring (10) are respectively fixedly connected with the side face of the frame (2) and the side face of the limiting frame (9) on the outer surface of each guide rod (8).

3. The piston rod processing welding of claim 1 is with location frock, its characterized in that: the side of the lug limiting seat (4) is fixed with a second spring (12) and the other end of the second spring (12) is fixedly connected with the inner wall of the frame (2), a first telescopic rod (13) is arranged inside the second spring (12), and two ends of the first telescopic rod (13) are fixedly connected with the inner wall of the frame (2) and the side of the lug limiting seat (4) respectively.

4. The piston rod processing welding of claim 1 is with location frock, its characterized in that: the adjusting device is characterized in that a first threaded hole and a first threaded hole are formed in the U-shaped frame (7), an adjusting bolt (18) is installed on the first threaded hole and the first threaded hole, a second threaded hole right opposite to the first threaded hole is formed in the piston rod end limiting seat (3) on the right side, a plurality of third threaded holes are formed in the base (1), and the tail end of the adjusting bolt (18) sequentially penetrates through the first threaded hole and the second threaded hole and enters one of the third threaded holes.

5. The piston rod processing welding of claim 1 is with location frock, its characterized in that: the pressing mechanism comprises a screw rod (14) installed on the U-shaped frame (7) in a threaded mode, a hand wheel installed at the top end of the screw rod (14), a rotating shaft (15) installed at the bottom end of the screw rod (14), and an arc-shaped pressing plate (16) installed at the bottom end of the rotating shaft (15) in a rotating mode.

6. The piston rod processing welding of claim 5 is with location frock, its characterized in that: the upper surfaces of the arc-shaped pressing plates (16) on the two sides of the screw (14) are provided with second telescopic rods (17), and the top ends of the second telescopic rods (17) are fixedly connected with the inner wall of the U-shaped frame (7).