CN212351185U

CN212351185U - Piston processing hole location contact's tool

Info

Publication number: CN212351185U
Application number: CN202020863199.1U
Authority: CN
Inventors: 李晓鹏
Original assignee: Danyang Xuling Precision Components Co ltd
Current assignee: Danyang Xuling Precision Components Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-15
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a jig for positioning contact of a piston processing inner hole, which comprises a base, wherein a placing support is arranged at the top of a clamping table, a piston to be bored is placed in the placing support, a pressure head for pressing the top of the piston to be bored is commonly installed on telescopic links of two cylinders by penetrating through a transverse plate, first adjusting studs are respectively screwed on four frames of the placing support, the inner side end of each first adjusting stud is rotatably connected with a first clamping block for clinging to the outer wall of the lower end of the piston to be bored, the jig for positioning contact of the piston processing inner hole is used for placing the piston to be bored in the placing support, the side wall of the lower end of the piston to be bored is clamped by utilizing the four first clamping blocks by rotating the four first adjusting studs, then, two groups of second clamping blocks are used for respectively clamping the arc-shaped port of the inner hole to be processed by rotating the four second adjusting studs, and finally the telescopic links are, the top of the piston to be bored can be pressed by the pressing head.

Description

Piston processing hole location contact's tool

Technical Field

The utility model belongs to the technical field of piston hole processing, concretely relates to tool of piston processing hole location contact.

Background

The piston is generally manufactured by adopting the piston to process an inner hole for positioning. The piston processing inner hole is tightly matched with the positioning jig, and the matching requirement is high. The contact surface of a part of piston processing inner holes is large, an original positioning jig is designed according to the axial end face contact of the whole processing inner hole, a circle of annular boss is arranged on the positioning jig, the upper surface of the annular boss is in contact positioning with the axial end face of the piston processing inner hole, the positioning surface in contact with the piston is too large, the requirement on the processing precision of the positioning surface of the jig is high, and if the processing precision cannot meet the requirement, unstable positioning can be caused, and the processing precision and the production efficiency of the piston are influenced. Therefore, a jig for positioning and contacting the inner hole of the piston is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool of piston machining hole location contact to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a jig for positioning and contacting an inner hole in piston machining comprises a base, wherein four reinforcing rib plates are symmetrically arranged at the top of the base, a clamping table is arranged at the tops of the four reinforcing rib plates, a placing support is arranged at the top of the clamping table, a piston to be bored is placed in the placing support, stand columns are further mounted at four corner positions of the top of the clamping table, a transverse plate is commonly arranged between the upper ends of the four stand columns, two air cylinders are mounted at the top of the transverse plate, pressure heads for pressing the top of the piston to be bored are commonly mounted on telescopic rods of the two air cylinders through the transverse plate, first adjusting studs are respectively screwed on four frames of the placing support, first clamping blocks for tightly clinging to the outer wall of the lower end of the piston to be bored are rotatably connected to the inner ends of the first adjusting studs, the number of the first clamping blocks is four, and second adjusting studs are symmetrically screwed at the front end and the rear, the upper end of the second adjusting stud is rotatably connected with a second clamping block, and the second clamping block props against an arc-shaped port of an inner hole to be machined in the piston to be bored.

Preferably, the outer ends of the first adjusting stud and the second adjusting stud are respectively provided with a rotating handle.

Preferably, the shape of the pressure head is in an inverted convex shape.

Preferably, a V-shaped clamping opening is formed between the two bilaterally symmetrical second clamping blocks.

Preferably, four mounting holes are formed in the base.

The utility model discloses a technological effect and advantage: this tool of piston processing hole location contact places treating the bore hole piston and holds in the palm placing, through rotatory four first regulation double-screw bolts, utilizes four first clamp splice to press from both sides tight lower extreme lateral wall of treating the bore hole piston, later through rotatory four second regulation double-screw bolts, utilizes two sets of second clamp splice to press from both sides the arc port of treating the processing hole respectively, drives its telescopic link through starting the cylinder at last and descends, utilizes the pressure head can compress tightly the top of treating the bore hole piston.

The utility model discloses a set up four first clamp splices, four second clamp splices and a pressure head and can treat the bore hole piston and carry out the stable clamping work of pressing from both sides.

Drawings

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

fig. 2 is a schematic view of the overlooking structure of the placing support of the present invention.

In the figure: 1. a base; 2. a reinforcing rib plate; 3. a clamping table; 4. a second adjusting stud; 5. a second clamp block; 6. a cylinder; 7. a pressure head; 8. a piston to be bored; 9. placing a support; 10. a first clamping block; 11. a first adjusting stud; 12. a column; 13. a transverse plate; 14. and (7) installing holes.

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.

The utility model provides a jig for positioning contact of piston processing inner holes as shown in figures 1-2, which comprises a base 1, wherein four reinforcing rib plates 2 are symmetrically arranged at the top of the base 1, clamping platforms 3 are arranged at the tops of the four reinforcing rib plates 2, a placing support 9 is arranged at the top of the clamping platform 3, a piston 8 to be bored is placed in the placing support 9, stand columns 12 are further arranged at four corner positions at the top of the clamping platform 3, transverse plates 13 are jointly arranged between the upper ends of the four stand columns 12, two cylinders 6 are arranged at the top of the transverse plate 13, pressure heads 7 for pressing the top of the piston 8 to be bored are jointly installed by the telescopic rods of the two cylinders 6 penetrating through the transverse plate 13, first adjusting studs 11 are respectively screwed on four frames of the placing support 9, the inner side ends of the first adjusting studs 11 are rotatably connected with first clamping blocks 10 for clinging to the outer wall of the lower end of the piston 8 to be bored, the number of the first clamping blocks 10 is four, the front end and the rear end of the clamping table 3 are symmetrically screwed with second adjusting studs 4, the upper ends of the second adjusting studs 4 are rotatably connected with second clamping blocks 5, and the second clamping blocks 5 abut against arc-shaped ports of inner holes to be machined in the piston 8 to be bored.

And the outer ends of the first adjusting stud 11 and the second adjusting stud 4 are both provided with a rotating handle. This arrangement facilitates the rotary work of the first and second adjusting

studs

11, 4. The pressure head 7 is in an inverted convex shape. A V-shaped clamping opening is formed between the two bilaterally symmetrical second clamping blocks 5. Four mounting holes 14 are formed in the base 1, and the mounting hole is used for mounting the whole jig.

During the specific use, treat bore hole piston 8 and place and hold in the palm 9, through rotatory four first adjusting stud 11, utilize four first clamp splice 10 to press from both sides tight lower extreme lateral wall of treating bore hole piston 8, later through rotatory four second adjusting stud 4, utilize two sets of second clamp splice 5 to press from both sides tight arc port of treating the processing hole respectively, drive its telescopic link through starting cylinder 6 at last and descend, utilize pressure head 7 can compress tightly the top of treating bore hole piston 8.

The utility model discloses a set up four first clamp splice 10, four second clamp splice 5 and a pressure head 7 and can treat bore hole piston 8 and carry out the stable clamping work of pressing from both sides.

The utility model discloses what should explain at last when using is: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a tool of piston processing hole location contact, includes base (1), its characterized in that: the top of the base (1) is symmetrically provided with four reinforcing rib plates (2), the tops of the four reinforcing rib plates (2) are provided with clamping tables (3), the top of each clamping table (3) is provided with a placing support (9), pistons (8) to be bored are placed in the placing supports (9), stand columns (12) are further mounted at four corner positions of the top of each clamping table (3), transverse plates (13) are jointly arranged between the upper ends of the four stand columns (12), two cylinders (6) are mounted at the tops of the transverse plates (13), pressure heads (7) for pressing the tops of the pistons (8) to be bored are jointly mounted on telescopic rods of the two cylinders (6) through the transverse plates (13), first adjusting studs (11) are respectively screwed on four frames of the placing supports (9), and first clamping blocks (10) used for tightly attaching to the outer walls of the lower ends of the pistons (8) to be bored are rotatably connected to the inner ends of the first adjusting studs (11), the quantity of first clamp splice (10) is four, the symmetrical spiro union in both ends has second adjusting stud (4) around dress clamp stand (3), the upper end of second adjusting stud (4) is rotated and is connected with second clamp splice (5), and second clamp splice (5) support treat on bore hole piston (8) treat the arc port of processing the hole.

2. The jig for positioning and contacting the inner hole of the piston machining tool as claimed in claim 1, wherein: and the outer ends of the first adjusting stud (11) and the second adjusting stud (4) are provided with rotating handles.

3. The jig for positioning and contacting the inner hole of the piston machining tool as claimed in claim 1, wherein: the pressure head (7) is in an inverted convex shape.

4. The jig for positioning and contacting the inner hole of the piston machining tool as claimed in claim 1, wherein: a V-shaped clamping opening is formed between the two bilaterally symmetrical second clamping blocks (5).

5. The jig for positioning and contacting the inner hole of the piston machining tool as claimed in claim 1, wherein: four mounting holes (14) are formed in the base (1).