CN210968418U

CN210968418U - Hollow machined part grinding clamp with high-precision limiting function

Info

Publication number: CN210968418U
Application number: CN201920654732.0U
Authority: CN
Inventors: 唐晶晶
Original assignee: Kunshan Longtai Automation Technology Co ltd
Current assignee: Kunshan Longtai Automation Technology Co ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-07-10
Anticipated expiration: 2029-05-09

Abstract

The utility model relates to an anchor clamps technical field just discloses a hollow machined part anchor clamps for grinding with high accuracy limit function, the on-line screen storage device comprises a base, the middle part fixed mounting on base top has the mount, and one side at base top is equipped with power supply unit, the middle part fixed mounting of mount side has the cylinder. This hollow machined part anchor clamps for grinding with high accuracy limit function, promote the connecting rod of piston rod one end through starting the cylinder and remove, utilize the arcwall face extrusion hollow machined part's of backup pad one side inner wall and reduce frictional force, utilize the cooperation of telescopic link and first spring, drive the inner wall of the hollow machined part of backup pad elasticity extrusion, thereby support the inner wall of hollow machined part, and then avoid hollow machined part to appear the condition such as deformation in the abrasive machining in-process, utilize the cooperation of first spring and telescopic link simultaneously, the backup pad of being convenient for adapts to the hollow machined part of different diameters size.

Description

Hollow machined part grinding clamp with high-precision limiting function

Technical Field

The utility model relates to an anchor clamps technical field specifically is an anchor clamps are used in hollow machined part grinding with high accuracy limit function.

Background

Grinding is a machining method for removing materials, which refers to a machining method for cutting off redundant materials on a workpiece by using an abrasive or a grinding tool, grinding is one of the widely applied material removal methods, grinding is carried out, machining belongs to finish machining, machining amount is small, precision is high, the grinding method is widely applied in the mechanical manufacturing industry, a large number of regularly arranged cracks, namely grinding cracks, often appear on the surface basically vertical to the grinding direction during grinding of carbon tool steel and carburization quenching steel parts subjected to heat treatment quenching, and the grinding cracks not only affect the appearance of the parts, but also directly affect the quality of the parts.

However, the size deviation of the hollow workpiece is inevitable in the machining process, the existing clamp for grinding the hollow workpiece is difficult to adapt to the hollow workpieces with different lengths, the fixation is not tight enough, the deviation and the like are easy to occur in the grinding process, so that the grinding quality of the hollow workpiece is influenced, and the existing clamp for the hollow workpiece cannot support the inner wall of the hollow workpiece, so that the hollow workpiece may deform and the like in the grinding process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a hollow machined part anchor clamps for grinding with high accuracy limit function, possess strong adaptability, can carry out the advantage that supports to hollow inner wall, it can the size deviation to have solved hollow machined part in the course of working inevitable, the hollow machined part of different length is difficult to adapt to the anchor clamps of current hollow machined part grinding usefulness, it is fixed also inseparable inadequately, the condition such as skew appears in the grinding in-process easily, thereby the grinding quality of hollow machined part has been influenced, and the current hollow machined part can't support the inner wall of hollow machined part with anchor clamps, therefore can lead to the problem of the condition such as hollow machined part warp to appear in the grinding process.

The utility model provides a following technical scheme: the utility model provides a hollow machined part anchor clamps for grinding with high accuracy limit function, includes the base, the middle part fixed mounting on base top has the mount, and one side at base top is equipped with power supply unit, the middle part fixed mounting of mount side has the cylinder, and the mount keeps away from the middle part of cylinder side and is equipped with the locating plate, the constant head tank has been seted up at the middle part of locating plate side, the output movable sleeve of cylinder is equipped with the piston rod, the one end fixedly connected with connecting rod of piston rod, the top and the bottom and the front and the equal fixedly connected with fixed block in the back of connecting rod, one the top fixedly connected with telescopic link of fixed block, the top movable sleeve of telescopic link is equipped with first spring, and the top fixedly connected with connecting block of telescopic.

Preferably, the one end fixedly connected with fixed case of connecting rod, the middle part fixed mounting of fixed incasement chamber has two-way push rod, two ends of two-way push rod all extend to the outside of fixed case and fixedly connected with fixture block, and two-way push rod is connected with the power supply unit electricity.

Preferably, the side fixedly connected with connecting box of fixture block, the middle part fixedly connected with cushion of connecting box inner chamber one side, and the equal fixedly connected with second spring in top and the bottom of connecting box inner chamber one side, the side fixedly connected with stripper plate of cushion, the side of stripper plate is equipped with the latch.

Preferably, the top and the bottom of one side of the extrusion plate, which is far away from the latch, are respectively and fixedly connected with one ends of the two second springs, and the extrusion plate is movably sleeved with the connecting box.

Preferably, one end of the first spring is fixedly connected with the connecting block, and the other end of the first spring is fixedly connected with the larger end of the telescopic rod in diameter value.

Preferably, the supporting plate is arc-shaped, and one end of the supporting plate close to the fixing box is designed to be an arc-shaped surface.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this hollow machined part anchor clamps for grinding with high accuracy limit function, promote the connecting rod of piston rod one end through starting the cylinder and remove, utilize the arcwall face extrusion hollow machined part's of backup pad one side inner wall and reduce frictional force, utilize the cooperation of telescopic link and first spring, drive the inner wall of the hollow machined part of backup pad elasticity extrusion, thereby support the inner wall of hollow machined part, and then avoid hollow machined part to appear the condition such as deformation in the abrasive machining in-process, utilize the cooperation of first spring and telescopic link simultaneously, the backup pad of being convenient for adapts to the hollow machined part of different diameters size.

2. This anchor clamps are used in hollow machined part grinding with high accuracy limit function, supply power through power supply unit, after fixed case runs through hollow machined part, start two-way push rod and drive two sets of fixture blocks and extend certain distance, thereby utilize the cooperation of stripper plate and latch, and the cooperation of constant head tank on the locating plate, press from both sides tightly hollow machined part, it is spacing and fixed, thereby improve the fixed steadiness of hollow machined part centre gripping, avoid it to appear squinting at the grinding in-process, utilize the cooperation of second spring and cushion simultaneously, improve the compactness and the steadiness of joint between stripper plate and the hollow machined part.

Drawings

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

fig. 2 is an enlarged view of the structure a of the present invention.

In the figure: 1. a base; 2. a fixed mount; 3. a power supply device; 4. a cylinder; 5. positioning a plate; 6. positioning a groove; 7. a piston rod; 8. a connecting rod; 9. a fixed block; 10. a telescopic rod; 11. a first spring; 12. connecting blocks; 13. a support plate; 14. a fixed box; 15. a bidirectional push rod; 16. a clamping block; 161. a connecting box; 162. an elastic pad; 163. a second spring; 164. a pressing plate; 165. and (4) clamping teeth.

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.

Referring to fig. 1-2, a hollow workpiece grinding fixture with high-precision limiting function comprises a base 1, a fixing frame 2 is fixedly installed at the middle of the top end of the base 1, a power supply device 3 is arranged on one side of the top of the base 1, an air cylinder 4 is fixedly installed at the middle of the side of the fixing frame 2, a positioning plate 5 is arranged at the middle of the side of the fixing frame 2 far away from the air cylinder 4, a positioning groove 6 is formed in the middle of the side of the positioning plate 5, the positioning groove 6 on the side of the positioning plate 5 is utilized to facilitate the positioning installation between the hollow workpiece and the fixture on the one hand, the positioning groove 6 is utilized to limit one end of the hollow workpiece on the other hand, a piston rod 7 is movably sleeved at the output end of the air cylinder 4, a connecting rod 8 is fixedly connected at one end, the two ends of the two-way push rod 15 extend to the outside of the fixed box 14 and are fixedly connected with a fixture block 16, the side surface of the fixture block 16 is fixedly connected with a connecting box 161, the middle part of one side of the inner cavity of the connecting box 161 is fixedly connected with an elastic pad 162, the top and the bottom of one side of the inner cavity of the connecting box 161 are fixedly connected with second springs 163, the side surface of the elastic pad 162 is fixedly connected with a squeezing plate 164, the top and the bottom of one side of the squeezing plate 164, which is far away from the latch 165, are respectively and fixedly connected with one end of the two second springs 163, the squeezing plate 164 is movably sleeved with the connecting box 161, the side surface of the squeezing plate 164 is provided with the latch 165, the friction force at the pressing position of the squeezing plate 164 and the hollow workpiece is increased by utilizing the latch 165 at the side surface of the squeezing plate 164, so as to improve the stability and tightness of the squeezing plate 164 and the hollow workpiece, the two-, top fixedly connected with telescopic link 10 of a fixed block 9, the top movable sleeve of telescopic link 10 is equipped with first spring 11, the one end and the connecting block 12 fixed connection of first spring 11, and the other end of first spring 11 and the great one end fixed connection of telescopic link 10 diameter value, and the top fixedly connected with connecting block 12 of telescopic link 10, the top fixedly connected with backup pad 13 of connecting block 12, backup pad 13 is the arc type, and backup pad 13 is close to the one end of fixed box 14 and establishes to the arcwall face, the backup pad 13 that utilizes the arc type adapts to the inner wall of hollow machined part and supports it, utilize the arcwall face of backup pad 13 one end simultaneously, reduce the frictional force when backup pad 13 gets into hollow machined part inside.

The working principle is as follows: firstly, according to the length of the hollow workpiece, the cylinder 4 is started to drive the connecting rod 8 at one end of the piston rod 7 to extend for a distance, then the hollow workpiece passes through the supporting plate 13, the arc-shaped surface at one side of the supporting plate 13 is utilized to extrude the inner wall of the hollow workpiece and reduce friction force, so as to compress the first spring 11 on the telescopic rod 10, the supporting plate 13 is driven to extrude the inner wall of the hollow workpiece by utilizing the elasticity generated when the first spring 11 is compressed, so as to support the inner wall of the hollow workpiece, then one end of the hollow workpiece is correspondingly arranged with the positioning groove 6 on the positioning plate 5, finally, the power supply device 3 is used for supplying power, after the fixing box 14 passes through the hollow workpiece, the bidirectional push rod 15 is started to drive the two groups of clamping blocks 16 to extend for a certain distance, the cylinder 4 is started to shrink the piston rod 7, so as to drive the extruding plate 164 and the clamping teeth, and (4) finishing.

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

Claims

1. The utility model provides a hollow workpiece anchor clamps for grinding with high accuracy limit function, includes base (1), its characterized in that: the middle of the top end of the base (1) is fixedly provided with a fixing frame (2), one side of the top of the base (1) is provided with a power supply device (3), the middle of the side face of the fixing frame (2) is fixedly provided with a cylinder (4), the middle of the fixing frame (2) far away from the side face of the cylinder (4) is provided with a positioning plate (5), the middle of the side face of the positioning plate (5) is provided with a positioning groove (6), the output end of the cylinder (4) is movably sleeved with a piston rod (7), one end of the piston rod (7) is fixedly connected with a connecting rod (8), the top and the bottom as well as the front and the back of the connecting rod (8) are both fixedly connected with fixing blocks (9), one top of the fixing blocks (9) is fixedly connected with a telescopic rod (10), the top of the telescopic rod (10, the top of the connecting block (12) is fixedly connected with a supporting plate (13).

2. The jig for grinding a hollow workpiece having a high-precision limit function according to claim 1, characterized in that: the one end fixedly connected with of connecting rod (8) is fixed case (14), the middle part fixed mounting of fixed case (14) inner chamber has two-way push rod (15), the both ends of two-way push rod (15) all extend to the outside and fixedly connected with fixture block (16) of fixed case (14), and two-way push rod (15) are connected with power supply unit (3) electricity.

3. The jig for grinding a hollow workpiece having a high-precision limit function according to claim 2, characterized in that: the side fixedly connected with connecting box (161) of fixture block (16), the middle part fixedly connected with cushion (162) of connecting box (161) inner chamber one side, and the equal fixedly connected with second spring (163) in top and the bottom of connecting box (161) inner chamber one side, the side fixedly connected with stripper plate (164) of cushion (162), the side of stripper plate (164) is equipped with latch (165).

4. The jig for grinding a hollow workpiece having a high-precision limit function according to claim 3, characterized in that: the top and the bottom of one side of the extrusion plate (164), which is far away from the latch (165), are respectively and fixedly connected with one ends of the two second springs (163), and the extrusion plate (164) is movably sleeved with the connecting box (161).

5. The jig for grinding a hollow workpiece having a high-precision limit function according to claim 1, characterized in that: one end and connecting block (12) fixed connection of first spring (11), and the other end and the great one end fixed connection of telescopic link (10) diameter value of the first spring (11).

6. The jig for grinding a hollow workpiece having a high-precision limit function according to claim 1, characterized in that: the supporting plate (13) is arc-shaped, and one end of the supporting plate (13) close to the fixing box (14) is designed to be an arc-shaped surface.