CN220260180U - Push rod processing frock - Google Patents

Abstract

The utility model discloses a push rod processing tool which comprises a push rod head clamping tool, a push rod tail clamping tool and a center sleeve, wherein the push rod head clamping tool and the push rod tail clamping tool are of shaft-shaped structures, an opening groove is formed in the inner side end of the push rod head clamping tool, a threaded through hole communicated with the opening groove is formed in the push rod head clamping tool, a pressing nail is connected in the threaded through hole in a threaded manner, and a positioning ring is nested on the pressing nail; the end faces, located on the two sides of the open slot, of the inner side of the push rod head clamping tool are propping faces, and an adjusting protruding shaft I is arranged at the center of the outer side end of the push rod head clamping tool; the two ends of the push rod tail clamping tool are respectively provided with a threaded protruding shaft and an adjusting protruding shaft II; the adjusting convex shaft I and the adjusting convex shaft II are respectively nested with a center sleeve, and center holes are respectively formed in the outer side end faces of the center sleeves.

Description

Push rod processing frock

Technical Field

The utility model relates to the technical field of machining tools, in particular to a push rod machining tool.

Background

The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion, has simple structure and reliable work, thus being widely applied to hydraulic systems of various machines, and a push rod of the hydraulic cylinder needs high-precision processing, as shown in a push rod structure in figure 1, the push rod is of a hollow step shaft structure, the front end of a rod body is integrally formed with a solid connecting lug plate, the width of the connecting lug plate is smaller than the outer diameter of the rod body, and the connecting part of the connecting lug plate and the rod body forms a step surface; the tail end of the rod body is provided with an internal thread; most of the existing clamping tools clamp the head and the tail of the rod body respectively through clamps, but because of the special structure of the push rod, the head of the rod body is easy to deform when being propped up, the damage to the rod body is large when the push rod is clamped, the disassembly and the assembly of the processing tools are inconvenient, the push rod cannot be guaranteed to be in a horizontal state, the processing precision of the push rod is low, the processing efficiency of the push rod is low, and the like.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a push rod processing tool which can finely adjust the inclination of a rod body, so that the rod body is kept in a horizontal state, the push rod processing precision is high, the damage is small when the push rod is clamped, the disassembly and the assembly are convenient, the processing efficiency of the push rod is improved, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the push rod machining tool comprises a push rod head clamping tool, a push rod tail clamping tool and a center sleeve, wherein the push rod head clamping tool and the push rod tail clamping tool are of shaft-shaped structures, an opening groove is formed in the inner side end of the push rod head clamping tool, a threaded through hole communicated with the opening groove is formed in the circumferential outer wall of the push rod head clamping tool, the forming direction of the threaded through hole is perpendicular to the opening direction of the opening groove, a pressing nail is connected in the threaded through hole in a threaded manner, and a positioning ring is nested in the opening groove on the pressing nail; the end faces, located on the two sides of the open slot, of the inner side of the push rod head clamping tool are propping faces, and an adjusting protruding shaft I is arranged at the center of the outer side end of the push rod head clamping tool; a threaded protruding shaft is arranged at the central position of the inner side end of the push rod tail clamping tool, and an adjusting protruding shaft II is arranged at the central position of the outer side end of the push rod tail clamping tool; the first adjusting convex shaft and the second adjusting convex shaft are respectively nested with a center sleeve, the outer ends of the center sleeves are of closed structures, and center holes are respectively formed in the outer end faces of the center sleeves.

Further, the propping surfaces are outwards-expanded inclined surfaces, and the propping surfaces are symmetrical to each other.

Furthermore, the first adjusting protruding shaft and the second adjusting protruding shaft are in clearance fit with the center sleeve; the circumference lateral wall of top cover is last threaded connection has a plurality of adjusting bolt who sets up along its radial direction, and adjusting bolt's end all runs through to the cavity inside of top cover.

Further, the outer side end of the center sleeve is provided with a positioning protruding shaft coaxially arranged with the center sleeve, and the center hole is formed in the center position of the outer side end face of the positioning protruding shaft.

Furthermore, a limiting ring is arranged at the outer side end of the push rod tail clamping tool, which is positioned at the position corresponding to the threaded protruding shaft, and the outer diameter of the limiting ring is larger than that of the threaded protruding shaft.

Compared with the prior art, the utility model has the beneficial effects that: this push rod processing frock is connected the both ends of push rod respectively through push rod head clamp fixture and push rod afterbody clamp fixture, presss from both sides tight frock and push rod afterbody clamp fixture through the centre cover to the centre is pressed from both sides tight frock of push rod head at both ends and is pressed from both sides tight frock to can finely tune the gradient of the body of rod through the adjusting bolt on the centre cover, make the body of rod keep the horizontality, and the push rod machining precision is high, and damage is little when the centre gripping push rod, easy dismounting improves the machining efficiency of push rod.

Drawings

FIG. 1 is a schematic illustration of a push rod structure;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of a clamping tool for a putter head according to the present utility model;

FIG. 4 is a schematic diagram of a clamping tool for the tail of the push rod of the present utility model;

FIG. 5 is a schematic view of the tip sleeve structure of the present utility model;

FIG. 6 is a schematic view of a retaining ring according to the present utility model;

FIG. 7 is a schematic diagram of the structure of the connecting center sleeve and the push rod head clamping tool;

FIG. 8 is a schematic diagram of the structure of the center sleeve and the push rod tail clamping tool after being connected;

FIG. 9 is a schematic view of the present utility model in use;

fig. 10 is a cross-sectional view of the present utility model in use.

In the figure:

push rod processing frock: the clamping fixture for the head of the push rod, the opening groove of the push rod, the threaded through hole of the push rod, the first adjusting convex shaft, the 104 jacking surface, the clamping fixture for the tail of the push rod, the 201 threaded convex shaft, the 202 limiting ring, the second adjusting convex shaft, the 3 center sleeve, the 301 positioning convex shaft, the 302 adjusting bolt, the 303 center hole, the 4 pressing nail and the 5 positioning ring are arranged on the head of the push rod;

push rod: the 600 rod body and 601 are connected with the inner threads of the lug plate and 602.

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 1

Referring to fig. 1-10, the present utility model provides a technical solution: the push rod machining tool comprises a push rod head clamping tool 1, a push rod tail clamping tool 2 and a center sleeve 3, wherein the push rod head clamping tool 1 and the push rod tail clamping tool 2 are of shaft-shaped structures, an open slot 101 is formed in the inner side end of the push rod head clamping tool 1, a threaded through hole 102 communicated with the open slot 101 is formed in the circumferential outer wall of the push rod head clamping tool 1, the forming direction of the threaded through hole 102 is perpendicular to the forming direction of the open slot 101, a pressing nail 4 is connected in the threaded through hole 102 in a threaded manner, and a positioning ring 5 is nested in the open slot 101 on the pressing nail 4; the end faces, located on the two sides of the open groove 101, of the inner side of the push rod head clamping tool 1 are propping faces 104, the propping faces 104 are outwards expanded inclined faces, and the propping faces 104 are symmetrical; an adjusting convex shaft I103 is arranged at the center position of the outer side end of the push rod head clamping tool 1; a threaded protruding shaft 201 is arranged at the central position of the inner side end of the push rod tail clamping tool 2, and a second adjusting protruding shaft 203 is arranged at the central position of the outer side end of the push rod tail clamping tool 2; the first adjusting convex shaft 103 and the second adjusting convex shaft 203 are respectively nested with a center sleeve 3, the outer side ends of the center sleeves 3 are of a closed structure, and center holes 303 are respectively formed in the outer side end faces of the center sleeves 3; the first adjusting convex shaft 103 and the second adjusting convex shaft 203 are in clearance fit with the center sleeve 3; the circumference lateral wall of the center sleeve 3 is connected with a plurality of adjusting bolts 302 which are arranged along the radial direction of the center sleeve, and the tail ends of the adjusting bolts 302 penetrate into the cavity of the center sleeve 3.

Working principle:

the limiting ring 202 is nested in a connecting hole of a connecting lug plate 601 at the head of the rod body 600, the connecting lug plate 601 at the head of the rod body 600 is nested in the opening groove 101, the jacking surface 104 of the clamping tool 1 at the head of the push rod is propped against a step surface at the joint of the connecting lug plate 601 and the rod body 601, the pressing nail 4 penetrates through the threaded through hole 102 and the positioning ring 5, the pressing nail 4 is screwed to enable the opening groove 101 of the clamping tool 1 at the head of the push rod to clamp the connecting lug plate 601, the threaded protruding shaft 201 of the clamping tool 2 at the tail of the push rod is connected with the internal threads 602 of the rod body 600 in a threaded manner, the center sleeve 3 is assembled on the first adjusting protruding shaft 103 and the second adjusting protruding shaft 203, the adjusting bolt 302 is screwed, the adjusting bolts 302 on the two side center sleeves 3 are respectively propped against the first adjusting protruding shaft 103 and the second adjusting protruding shaft 203, simultaneously, the axle centers of the first adjusting protruding shaft 103 and the second center 203 can be finely adjusted through screwing the adjusting bolts 302, the rod body 600 is kept in a horizontal state, the two centers on a numerical control machine tool are respectively propped against center 303 on the two side sleeves 3 through a numerical control machine tool, and then machining is carried out on the rod body 600.

The push rod processing frock of this embodiment discloses, press from both sides tight frock 1 through push rod head and push rod afterbody and press from both sides tight frock 2 and press from both sides the both ends of push rod respectively and press from both sides tight frock 1 through the push rod head at top cover 3 and press from both sides tight frock 2 centre gripping with the push rod afterbody, and can finely tune the gradient of body of rod 600 through adjusting bolt 302 on top cover 3, make body of rod 600 keep the horizontality, push rod machining precision is high, and apply clamping force to solid engaging lug 601 head through holding ring 5, damage is little when the centre gripping push rod, easy dismounting improves the machining efficiency of push rod.

Further, a positioning protruding shaft 301 coaxially arranged with the outer side end of the tip sleeve 3 is arranged at the outer side end of the tip sleeve, and a tip hole 303 is formed in the center position of the outer side end face of the positioning protruding shaft 301.

Further, a limiting ring 202 is arranged at the outer side end of the push rod tail clamping tool 2, which is positioned corresponding to the threaded protruding shaft 201, and the outer diameter of the limiting ring 202 is larger than that of the threaded protruding shaft 201.

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 (5)

1. The utility model provides a push rod processing frock, includes push rod head clamp frock, push rod afterbody clamp frock and top cover, its characterized in that: the push rod head clamping tool and the push rod tail clamping tool are of shaft-shaped structures, an opening groove is formed in the inner side end of the push rod head clamping tool, a threaded through hole communicated with the opening groove is formed in the circumferential outer wall of the push rod head clamping tool, the forming direction of the threaded through hole is perpendicular to the opening direction of the opening groove, a pressing nail is connected in the threaded through hole in a threaded manner, and a positioning ring is nested in the opening groove on the pressing nail; the end faces, located on the two sides of the open slot, of the inner side of the push rod head clamping tool are propping faces, and an adjusting protruding shaft I is arranged at the center of the outer side end of the push rod head clamping tool; a threaded protruding shaft is arranged at the central position of the inner side end of the push rod tail clamping tool, and an adjusting protruding shaft II is arranged at the central position of the outer side end of the push rod tail clamping tool; the first adjusting convex shaft and the second adjusting convex shaft are respectively nested with a center sleeve, the outer ends of the center sleeves are of closed structures, and center holes are respectively formed in the outer end faces of the center sleeves.

2. The pushrod processing tool according to claim 1, wherein: the propping surfaces are outwards-expanded inclined surfaces and are mutually symmetrical.

3. The pushrod processing tool according to claim 1, wherein: the first adjusting convex shaft and the second adjusting convex shaft are in clearance fit with the center sleeve; the circumference lateral wall of top cover is last threaded connection has a plurality of adjusting bolt who sets up along its radial direction, and adjusting bolt's end all runs through to the cavity inside of top cover.

4. The pushrod processing tool according to claim 1, wherein: the outer side end of the center sleeve is provided with a positioning convex shaft coaxially arranged with the center sleeve, and the center hole is formed in the center position of the outer side end face of the positioning convex shaft.

5. The pushrod processing tool according to claim 1, wherein: and a limiting ring is arranged at the outer side end of the push rod tail clamping tool, which is positioned corresponding to the threaded protruding shaft, and the outer diameter of the limiting ring is larger than that of the threaded protruding shaft.