CN217833372U

CN217833372U - Special tooling for positioning and compressing oil cylinder

Info

Publication number: CN217833372U
Application number: CN202221779073.1U
Authority: CN
Inventors: 唐晓锋; 唐晓莉
Original assignee: Jinhua Chenxing Machinery Co ltd
Current assignee: Jinhua Chenxing Machinery Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-18
Anticipated expiration: 2032-07-08

Abstract

The utility model provides a hydro-cylinder location compresses tightly special frock, the power distribution device comprises a cylinder body, set up the location that is used for the work piece to compress tightly in the cylinder body and compress tightly the subassembly and be used for the spacing stop device of work piece, the location compresses tightly the subassembly including the activity set up in the cylinder body the piston rod body and movable sleeve locate the piston rod body in the cylinder body on and receive the driven subassembly that the piston rod body drive compressed tightly to the work piece location, stop device includes fixed connection in the fastening nut of piston rod body end and sets up the cushion between fastening nut and work piece, the cylinder body includes the base, the fixed first cylinder body that sets up on base upper portion sets up in the second cylinder body on first cylinder body upper portion with fixed, the step face that supplies the work piece to take is seted up to the outline looks adaptation and the second cylinder body in the work piece cavity of the outline of second cylinder body. The utility model discloses a hydro-cylinder location compresses tightly special tool is provided with the location that can advance line location to the work piece on the hydro-cylinder body surface and compresses tightly the effectual realization of stop device on the subassembly cooperation piston rod and compress tightly the stable location of work piece.

Description

Special tooling for positioning and compressing oil cylinder

Technical Field

The utility model belongs to the technical field of hold-down mechanism, especially, relate to a special frock of hydro-cylinder location compression.

Background

In the field of machining of mechanical workpieces, a lot of products need to be machined in multiple processes to complete machining of the whole workpiece, in order to ensure that the machining accuracy of the products meets the requirement of drawing design accuracy, pin holes or design process pin holes in the workpiece are utilized between the processes to ensure the accuracy and consistency of clamping, a common clamping method is to align positioning holes of the workpiece with positioning holes of a tooling plate, insert a pair of positioning pins for positioning, then tightly press the workpiece by a pressing mechanism to fix the workpiece on the tooling plate, but the clamping structure is used for tooling equipment with the positioning holes, cannot position and clamp the workpiece at the same time, and when the positioning pins are inserted for positioning, the workpiece is easy to move due to the fact that the workpiece is not clamped in time, and the operation process is inconvenient, so that a positioning pressing mechanism capable of positioning and stably clamping the machined workpiece needs to be invented to ensure the machining stability of the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hydro-cylinder location compresses tightly special frock compresses tightly the effectual realization of stop device on the subassembly cooperation piston rod to the stable location of work piece and compresses tightly the action, the effectual problem of having solved among the prior art through being provided with the location that can advance line location to the work piece on hydro-cylinder body surface.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a special frock of hydro-cylinder location and compression, includes the cylinder body, sets up the location that is used for the work piece to compress tightly in the cylinder body and compresses tightly the subassembly and be used for the spacing stop device of work piece, the location compresses tightly the subassembly including the activity set up in the cylinder body the piston rod body and movable sleeve locate the piston rod body on and receive the driven subassembly that the piston rod body drive compressed tightly the work piece location, stop device includes the fastening nut of fixed connection in the piston rod body tip and sets up the cushion between fastening nut and work piece, the cylinder body includes the base, fixes the first cylinder body that sets up on base upper portion and the fixed second cylinder body that sets up on first cylinder body upper portion, the step face that supplies the work piece to take is seted up to the outline of second cylinder body and the interior outline looks adaptation and the second cylinder body of work piece cavity.

Further, the piston rod body includes the pole socket, fixed setting in the first body of rod on pole socket upper portion, the second body of rod of fixed connection in first body of rod upper portion, the diameter of the second body of rod is less than the diameter of the first body of rod and the external screw thread that supplies fastening nut to connect is seted up to second body of rod surface, set up the first cavity that supplies the motion of the first body of rod and supply the motion of the second body of rod and with the second cavity of the coaxial setting of first cavity in the first cylinder body, above-mentioned pole socket, the first body of rod and the second body of rod are integrated into one piece's structure, and base, first cylinder body and second cylinder body also are integrated into one piece structure.

Furthermore, the driven component includes that taper sleeve, fixed connection on the second body of rod are located to the cover, the sealed piece at second cavity top and realize flexible locating lever along with taper sleeve up-and-down motion, the taper sleeve is inside to be seted up and to be supplied the spring to take the groove of putting, is provided with first reset spring between taper sleeve and the sealed piece, the flexible shaft hole of supplying the locating lever has evenly been seted up on second cylinder body surface, shaft hole fixed surface is connected with the spacing knot that prevents the locating lever and deviate from the shaft hole, is provided with second reset spring between locating lever and the spacing knot.

Further, the longitudinal section of taper sleeve is trapezoidal, the diameter of taper sleeve upper surface is the same with the diameter of second cavity, and the diameter of taper sleeve lower surface is less than the diameter of second cavity, the locating lever includes that the other end stretches out limit buckle's second locating lever on first locating lever with tangent first locating lever in taper sleeve surface and one end fixed connection, and second locating lever surface is located to second reset spring cover, and the inclination of first locating lever tip is the same with the inclination of taper sleeve surface.

Furthermore, the number of the shaft holes is 3, and through holes communicated with the second cavity are formed in the sealing block.

Furthermore, the middle part of the workpiece is a round hole matched with the outer contour of the second cylinder body, an annular reinforcing rib is arranged at the upper part of the round hole, and the inner diameter of the reinforcing rib is in lap joint with the step surface.

The utility model has the following characteristics and beneficial effect:

the utility model relates to a hydro-cylinder location compresses tightly special frock compresses tightly the action through being provided with the effectual realization of the stop device on the subassembly cooperation piston rod that compresses tightly that can compress tightly the work piece on the hydro-cylinder body surface to guarantee the stability of work piece processing, through setting up the driven subassembly into the precision that the structure of three point linkage can effectual assurance location, through set up the structure with work piece internal surface looks adaptation and compress tightly through the stop device at top at the cylinder body surface, the effectual stability and the precision of guaranteeing the work piece location. The utility model discloses a hydro-cylinder location compresses tightly special tool positioning and compresses tightly conveniently, and positioning accuracy is high, compresses tightly stability good, and the effectual assurance of three point location's that can pass through driven subassembly structure and stop device is to the tight stability of work piece clamp, and then guarantees the axiality and the precision of work piece inner chamber clamping.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of a connection structure between a tool dedicated for positioning and pressing an oil cylinder and a workpiece according to the present invention;

fig. 2 is a schematic structural view of the special tooling for positioning and pressing the oil cylinder of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along the line A-A in FIG. 2;

fig. 4 is an exploded view of the special tool for positioning and pressing the oil cylinder of the present invention;

fig. 5 is a schematic structural view of a driven assembly in the tooling special for positioning and pressing the oil cylinder of the utility model;

fig. 6 is the utility model relates to a structural schematic diagram of work piece in hydro-cylinder location compresses tightly special frock.

In the figure, 1-cylinder body; 101-a base; 102-a first cylinder; 103-a second cylinder; 104-step surface; 105-a first cavity; 106-a second cavity; 107-axle hole; 2, positioning a compression assembly; 3-a limiting device; 31-a fastening nut; 32-cushion blocks; 4-a piston rod body; 41-a pole base; 42-a first rod; 43-a second rod; 5-a driven assembly; 51-taper sleeve; 52-a sealing block; 53-a positioning rod; 531-first positioning rod; 532-a second positioning rod; 54-placing grooves; 6-a workpiece; 61-round holes; 62-reinforcing ribs; 7-a first return spring; 8-a limit buckle; 9-a second return spring; 10-through hole.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, fig. 2, fig. 3 and fig. 6,base:Sub>A schematic diagram ofbase:Sub>A connection structure ofbase:Sub>A tool dedicated for positioning and pressing an oil cylinder andbase:Sub>A workpiece,base:Sub>A schematic diagram ofbase:Sub>A structure of the tool dedicated for positioning and pressing the oil cylinder,base:Sub>A cross-sectional view of anbase:Sub>A-base:Sub>A surface andbase:Sub>A schematic diagram ofbase:Sub>A workpiece, the tool dedicated for positioning and pressing an oil cylinder comprisesbase:Sub>A cylinder body 1,base:Sub>A positioning and pressing assembly 2 disposed in the cylinder body 1 and used for pressing the workpiece 6, andbase:Sub>A limiting device 3 used for limiting the workpiece 6, wherein the positioning and pressing assembly 2 comprisesbase:Sub>A piston rod body 4 movably disposed in the cylinder body 1 andbase:Sub>A driven assembly 5 movably sleeved on the piston rod body 4 and driven by the piston rod body 4 to position and press the workpiece 6, the limiting device 3 comprisesbase:Sub>A fastening nut 31 fixedly connected to an end of the piston rod body 4 andbase:Sub>A cushion block 32 disposed between the fastening nut 31 and the workpiece 6, the cylinder body 1 comprisesbase:Sub>A base 101,base:Sub>A first cylinder body 102 fixedly disposed on the upper portion of the base 101 andbase:Sub>A second cylinder body 103 fixedly disposed on the upper portion of the first cylinder body 102, an outer contour of the second cylinder body 103 is adapted to an inner contour ofbase:Sub>A cavity of the workpiece 6,base:Sub>A step surface 104 provided for placing the workpiece 6,base:Sub>A step surface 103 provided on the second cylinder body 103, andbase:Sub>A circular hole 61 for stably matching with an inner diameter of the workpiece 6, andbase:Sub>A circular hole 61 for stably processing of the workpiece, andbase:Sub>A reinforcing rib 62 for stably matching the workpiece 6, andbase:Sub>A workpiece, andbase:Sub>A reinforcing rib 62 for stably processing structure for stably matching the workpiece 6, andbase:Sub>A workpiece, andbase:Sub>A reinforcing rib are provided on the workpiece, andbase:Sub>A reinforcing rib for stably processing structure for stably matching the workpiece 6.

Referring to fig. 4 and 5, an exploded view of a tool dedicated for positioning and compressing an oil cylinder and a schematic structural diagram of a driven assembly are shown, a piston rod 4 includes a rod seat 41, a first rod 42 fixedly disposed on an upper portion of the rod seat 41, and a second rod 43 fixedly connected to an upper portion of the first rod 42, a diameter of the second rod 43 is smaller than a diameter of the first rod 42, an outer thread for connecting a fastening nut 31 is disposed on an outer surface of the second rod 43, a first cavity 105 for allowing the first rod 42 to move and a second cavity 106 for allowing the second rod 43 to move and coaxially disposed with the first cavity 105 are disposed in the first cylinder 102, the rod seat 41, the first rod 42, and the second rod 43 are integrally formed, the base 101, the first cylinder 102, and the second cylinder 103 are also integrally formed, the driven assembly 5 includes a cone sleeve 51 sleeved on the second rod 43, a sealing block 52 fixedly connected to a top of the second cavity 106, and a positioning rod 53 extending and retracting along with the upward and downward movement of the cone sleeve 51, the sealing block 52 is internally provided with a through hole 10 communicated with the second cavity, the through hole 10 is arranged for avoiding that negative pressure is not formed in the cylinder body 1 in the jacking process of the oil cylinder to influence normal use, the interior of the taper sleeve 51 is provided with a placing groove 54 for placing a spring, a first reset spring 7 is arranged between the taper sleeve 51 and the sealing block 52, the surface of the second cylinder body 103 is uniformly provided with shaft holes 107 for stretching and retracting the positioning rod 53, the number of the shaft holes 107 is 3, 3 shaft holes 107 are arranged for matching three positioning rods 53 to realize accurate positioning of a workpiece 6 by using the principle of three-point positioning one surface, the surface of the shaft hole 107 is fixedly connected with a limit buckle 8 for preventing the positioning rod 53 from being separated from the shaft hole 107, a second reset spring 9 is arranged between the positioning rod 53 and the limit buckle 8, and the driven component 5 is arranged into a three-point linkage structure to effectively ensure the positioning precision, through set up to the structure with 6 internal surface looks adaptations of work piece and compress tightly through the stop device 3 at top on the surface of cylinder body 1, the effectual stability and the precision of guaranteeing 6 location of work piece.

The longitudinal section of taper sleeve 51 is trapezoidal, the diameter of taper sleeve 51 upper surface is the same with the diameter of second cavity 106, the diameter of taper sleeve 51 lower surface is less than the diameter of second cavity 106, locating lever 53 includes that the other end stretches out stop buckle 8's second locating lever 532 on first locating lever 531 with the tangent first locating lever 531 in taper sleeve 51 surface and one end fixed connection, second locating lever 532 surface is located to second reset spring 9 cover, the inclination of first locating lever 531 tip is the same with the inclination of taper sleeve 51 surface, the structure that adopts the inclination the same can remain taper sleeve 51 and locating lever 53 and laminate each other all the time, guarantee driven subassembly 5 driven stability.

The utility model provides a hydro-cylinder location compresses tightly special tool positioning and compresses tightly conveniently, and positioning accuracy is high, compresses tightly stability good, can be through the structure of the three point location of driven subassembly 5 and the effectual assurance of stop device 3 to the tight stability of work piece 6 clamp, and then guarantees the axiality and the precision of 6 inner chamber clamping of work piece.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.

Claims

1. The utility model provides an hydro-cylinder location compresses tightly special frock which characterized in that: including the cylinder body, set up the location that is used for the work piece to compress tightly in the cylinder body and be used for the spacing stop device of work piece, the location compresses tightly the subassembly including the activity set up in the cylinder body the piston rod body and movable sleeve locate the piston rod body on and receive the driven subassembly that the piston rod body drive compressed tightly the work piece location, stop device includes the fastening nut of fixed connection in the piston rod body tip and sets up the cushion between fastening nut and work piece, the cylinder body includes the base, fixed set up in the first cylinder body on base upper portion and fixed set up in the second cylinder body on first cylinder body upper portion, the step face that supplies the work piece to take is seted up to the outline of second cylinder body and the interior outline looks adaptation and the second cylinder body of work piece cavity.

2. The special tool for positioning and pressing the oil cylinder according to claim 1, characterized in that: the piston rod body comprises a rod seat, a first rod body fixedly arranged on the upper portion of the rod seat and a second rod body fixedly connected to the upper portion of the first rod body, the diameter of the second rod body is smaller than that of the first rod body, the outer surface of the second rod body is provided with an outer thread for connection of a fastening nut, a first cavity for movement of the first rod body and a second cavity for movement of the second rod body and coaxial arrangement with the first cavity are arranged in the first cylinder body, the rod seat, the first rod body and the second rod body are of an integrated structure, and the base, the first cylinder body and the second cylinder body are of an integrated structure.

3. The special tool for positioning and pressing the oil cylinder according to claim 2, characterized in that: the driven assembly comprises a taper sleeve sleeved on the second rod body, a sealing block fixedly connected to the top of the second cavity and a positioning rod stretching along with up-and-down movement of the taper sleeve, a groove for placing a spring is formed in the taper sleeve, a first reset spring is arranged between the taper sleeve and the sealing block, a shaft hole for stretching the positioning rod is uniformly formed in the surface of the second cylinder body, the surface of the shaft hole is fixedly connected with a limiting buckle for preventing the positioning rod from being separated from the shaft hole, and a second reset spring is arranged between the positioning rod and the limiting buckle.

4. The special tool for positioning and pressing the oil cylinder according to claim 3, wherein the tool comprises: the longitudinal section of taper sleeve is trapezoidal, the diameter of taper sleeve upper surface is the same with the diameter of second cavity, and the diameter of taper sleeve lower surface is less than the diameter of second cavity, the locating lever includes that the other end stretches out stop buckle's second locating lever on first locating lever with tangent first locating lever and one end fixed connection in taper sleeve surface on the surface, and second locating lever surface is located to second reset spring cover, and the inclination of first locating lever tip is the same with the inclination of taper sleeve surface.

5. The special tool for positioning and pressing the oil cylinder as claimed in claim 3, wherein: the number of the shaft holes is 3, and through holes communicated with the second cavity are formed in the sealing block.

6. The special tool for positioning and pressing the oil cylinder according to any one of claims 1 to 5, wherein the tool comprises: the middle part of the workpiece is a round hole matched with the outer contour of the second cylinder body, the upper part of the round hole is provided with an annular reinforcing rib, and the inner diameter of the reinforcing rib is in lap joint with the step surface.