CN209986760U

CN209986760U - V-shaped positioning and clamping device for numerical control peripheral grinding

Info

Publication number: CN209986760U
Application number: CN201920313482.4U
Authority: CN
Inventors: 刘琨
Original assignee: Chengdu Xinchuan Aviation Tools Co Ltd
Current assignee: Chengdu Xinchuan Aviation Tools Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-01-24
Anticipated expiration: 2029-03-13

Abstract

The utility model discloses a peripheral V type location clamping device that grinds of numerical control, the on-line screen storage device comprises a base, the upper end of base is provided with half piece of first V type, be provided with the spout on the base, sliding connection has half piece of second V type in the spout, be provided with the shaft hole on half piece of first V type, the shaft hole internal rotation is connected with first pivot, be provided with the driver plate in the first pivot, the vertical screw rod that is provided with in upper end of driver plate, one side of half piece of second V type is provided with the screw, in the screw with screw rod threaded connection, be provided with the fixed block on half lateral wall of first V type, the fixed block internal rotation is provided with the second pivot, be provided with the locating lever in the second pivot, locating lever and. The clamping device can be used for adjusting the outer wall surfaces of round pipe fittings with different outer diameter sizes, effectively improves the application range of clamping round pipe fittings with different outer diameter sizes, and improves the clamping and positioning efficiency of the second V-shaped half block.

Description

V-shaped positioning and clamping device for numerical control peripheral grinding

Technical Field

The utility model relates to a numerically control grinder technical field specifically is a peripheral V type positioning and clamping device that grinds of numerical control.

Background

The numerical control grinding machine is commonly used for grinding the periphery of a chamfer of a round pipe, can finely grind the chamfer part of the round pipe and ensure the smoothness of the chamfer surface, the general operation flow is that the round pipe needing chamfer grinding is firstly fixed, then a chamfer sharpening blade is fixed, then the numerical control grinding machine is operated, a motor on the numerical control grinding machine rotates and drives the chamfer sharpening blade to rotate, then the chamfer part of the round pipe is peripherally ground by moving the chamfer sharpening blade,

1. when a circular pipe is clamped, the outer wall of the circular pipe is clamped by two V-shaped clamping blocks in the prior art, the V-shaped clamping blocks are fixed, and a first V-shaped half block, a second V-shaped half block and a screw transmission structure are not arranged in a separated mode, so that the clamping cannot be adjusted according to the outer wall surfaces of the circular pipe with different outer diameter sizes, and the application range of clamping the circular pipe with different outer diameter sizes is reduced;

2. in addition, most of the drive plates are not provided with a torsional positioning rod clamping structure, the drive plates which stop rotating cannot be clamped at a relatively quick positioning speed, and the clamping positioning efficiency of the second V-shaped half block is easily reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a peripheral V type positioning and clamping device that grinds of numerical control to solve the application scope of prior art existence to different external diameter size pipe fitting centre gripping lower, to the lower problem of the joint positioning efficiency of second V type half.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a peripheral V type location clamping device that grinds of numerical control, includes the base, the upper end of base is provided with half piece of first V type, be provided with the spout on the base, sliding connection has half piece of second V type in the spout, be provided with the shaft hole on half piece of first V type, the shaft hole internal rotation is connected with first pivot, be provided with the driver plate in the first pivot, the vertical screw rod that is provided with in upper end of driver plate, one side of half piece of second V type is provided with the screw, with screw rod threaded connection in the screw, be provided with the fixed block on half lateral wall of first V type, the fixed block internal rotation is provided with the second pivot, be provided with the locating lever in the second pivot, locating lever and the constant head tank joint of setting on the driver.

Preferably, the number of the first V-shaped half blocks and the number of the sliding grooves are two respectively, and the first V-shaped half blocks and the sliding grooves are arranged in a bilateral symmetry mode by taking the vertical central axis of the base as the center.

Preferably, the number of the positioning grooves arranged on the dial is multiple, and the positioning grooves are arranged in a circumferential array by using the center point of the dial.

Preferably, the outer wall of the second rotating shaft is sleeved with a torsion spring, and the other end of the torsion spring is fixedly connected with the fixing block.

Preferably, the number of the torsion springs is two, and the torsion springs are arranged in an up-and-down symmetrical mode by taking the transverse central axis of the fixing block as a center.

Preferably, the screw, the drive plate and the first rotating shaft are vertically arranged end to end in an up-to-middle-down sequence.

Preferably, the number of the fixing blocks is two and the fixing blocks are respectively arranged on the outer side walls of the two first V-shaped half blocks.

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

1. through the separated first V-shaped half block, the second V-shaped half block and the screw transmission structure, the outer wall surfaces of circular pipe pieces with different outer diameter sizes can be adjusted and clamped, and the application range of clamping the circular pipe pieces with different outer diameter sizes is effectively enlarged;

2. through torsional mode locating lever joint structure, realized carrying out quick location joint to the driver plate that the rotation stops, effectively improved the joint location efficiency to second V type half.

Drawings

FIG. 1 is a sectional view of the whole structure of the present invention;

FIG. 2 is a schematic top view of a second V-shaped half-block distribution of the present invention;

fig. 3 is a partial top view of the left second rotating shaft torsion structure of the present invention;

fig. 4 is a bottom view of the left torsional positioning rod clamping structure of the present invention.

In the figure: the device comprises a base 1, a first V-shaped half block 2, a sliding groove 3, a second V-shaped half block 4, a shaft hole 6, a first rotating shaft 7, a driving plate 8, a positioning groove 81, a fixing block 9, a second rotating shaft 91, a torsion spring 92, a positioning rod 93, a screw hole 10 and a screw rod 11.

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, the present invention provides a technical solution: a V-shaped positioning and clamping device for numerical control peripheral grinding comprises a base 1, the lower end of the base 1 is fixedly connected to a working table plate of a numerical control grinding machine, the upper end of the base 1 is provided with a first V-shaped half block 2, referring to figure 2, a sliding chute 3 is arranged on the base 1, a second V-shaped half block 4 is connected in the sliding chute 3 in a sliding mode, the number of the first V-shaped half block 2 and the number of the sliding chute 3 are respectively two, the first V-shaped half block 2 and the sliding chute 3 are arranged in a bilateral symmetry mode by taking a vertical central axis of the base 1 as a center, the first V-shaped half block 2 and the second V-shaped half block 4 are both made of cast iron, referring to figure 1, a shaft hole 6 is formed in the first V-shaped half block 2, a first rotating shaft 7 is connected in the shaft hole 6 in a rotating mode, a cylindrical limiting block with a larger outer diameter is arranged at the lower end of the first rotating shaft 7 and is connected with the shaft hole with the first V-shaped, a driving plate 8 is arranged on a first rotating shaft 7, a screw rod 11 is vertically arranged at the upper end of the driving plate 8, a screw hole 10 is arranged at one side of a second V-shaped half block 4, the screw hole 10 is internally connected with the screw rod 11 in a threaded manner, the screw rod 11, the driving plate 8 and the first rotating shaft 7 are vertically arranged end to end in an up-to-middle-down sequence, fixing blocks 9 are arranged on the side wall of the first V-shaped half block 2, the number of the fixing blocks 9 is two and are respectively arranged on the outer side walls of the two first V-shaped half blocks 2, a left side positioning rod 93 is taken as an example, the left side positioning rod 93 is rotated ninety degrees counterclockwise to be horizontal by taking a second rotating shaft 91 as a center, the positioning rod 93 already exits from the positioning groove 81, and a torsion spring 92 is in a torsion force storage state, then a round pipe piece needing to be clamped is placed in an inclined groove formed at the upper ends of the two first V-, the section position of the circular pipe fitting is generally chamfered, peripheral grinding can be carried out through a chamfering grinding blade on a numerical control grinding machine after chamfering, one end of the chamfering grinding blade is conical grinding blade, the other end of the chamfering grinding blade is cylindrical rod, the cylindrical rod is clamped through a common clamping piece on a drilling machine, a motor rotating shaft on the drilling machine rotates at a high speed to drive the cylindrical rod and the conical grinding blade to rotate, the conical grinding blade rotating at the high speed can be moved to carry out peripheral grinding on the chamfer of the circular pipe fitting, if the outer diameter of the circular pipe fitting to be clamped is smaller than the outer diameter of the previously clamped pipe fitting, referring to figure 4, a driving plate 8 is rotated clockwise to drive a screw rod 11 to rotate clockwise, referring to figure 1, the screw rod 11 rotating clockwise drives a left second V-shaped half block 4 to move downwards through a screw hole 10 until the lower end inclined plane of the second V-shaped half block 4 is clamped with the outer wall surface, the dial 8 stops rotating, and similarly, the second V-shaped half block 4 on the right side can also be symmetrically operated and clamped with the outer wall surface of the round pipe, so that the application range of clamping round pipe fittings with different outer diameter sizes is effectively enlarged.

Referring to fig. 3, a second rotating shaft 91 is rotatably disposed in the fixed block 9, a positioning rod 93 is disposed on the second rotating shaft 91, a torsion spring 92 is sleeved on an outer wall of the second rotating shaft 91, the torsion spring 92 is a commonly used torsion spring, the other end of the torsion spring 92 is fixedly connected with the fixed block 9, the number of the torsion springs 92 is two, and the torsion springs are symmetrically disposed up and down with a horizontal central axis of the fixed block 9 as a center, referring to fig. 4, the positioning rod 93 is engaged with a positioning groove 81 disposed on the dial 8, the number of the positioning grooves 81 disposed on the dial 8 is plural, and a circumferential array arrangement is performed with a central point of the dial 8, the number of the positioning grooves 81 is large, when the dial 8 stops rotating, the positioning rod 93 can be ensured to rotate and be clamped into one of the positioning grooves 81, referring to fig. 1, when the dial 8 stops rotating, the left positioning rod 93 is loosened, the torsion spring, drive left side locating lever 93 clockwise fast rotation and block go into current constant head tank 81 in, locating lever 93 on the right side also can operate equally like this, and the driver plate 8 and the half 4 of second V type of both sides are all fixed a position by quick joint this moment, have effectively improved the joint location efficiency to half 4 of second V type.

The utility model discloses when concrete implementation: taking the left positioning rod 93 as an example, the left positioning rod 93 is rotated ninety degrees counterclockwise to be horizontal by taking the second rotating shaft 91 as a center, at this time, the positioning rod 93 already exits from the positioning groove 81, and at this time, the torsion spring 92 is in a torsion force accumulation state, then, the round pipe to be clamped is placed in the inclined groove formed at the upper end of the two first V-shaped half blocks 2, if the outer diameter of the round pipe to be clamped is smaller than the outer diameter of the previously clamped pipe, referring to fig. 4, the dial plate 8 is rotated clockwise to drive the screw rod 11 to rotate clockwise, referring to fig. 1, the clockwise rotating screw rod 11 drives the left second V-shaped half block 4 to move downward through the screw hole 10, and when the inclined surface at the lower end of the second V-shaped half block 4 is clamped with the outer wall surface of the round pipe with smaller outer diameter, the dial plate 8 is stopped to rotate, similarly, the right second V-shaped half block 4 can also be operated symmetrically and clamped with, effectively improved the application scope to the centre gripping of different external diameter size pipe fittings, in addition, refer to fig. 1, use left side locating lever 93 as an example, when stop rotating driver plate 8, loosen left side locating lever 93, the torsional spring 92 that is in the torsion state of holding power all the time can give the clockwise torsion of locating lever 93 this moment, drive left side locating lever 93 clockwise fast rotation and block into current constant head tank 81 in, locating lever 93 on the same reason right side also can operate equally, driver plate 8 and the half 4 of second V type of both sides all are fixed a position by quick joint this moment, effectively improved the joint location efficiency to half 4 of second V type.

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 peripheral V type positioning and clamping device that grinds of numerical control, includes base (1), its characterized in that: the upper end of the base (1) is provided with a first V-shaped half block (2), the base (1) is provided with a sliding chute (3), the sliding chute (3) is connected with a second V-shaped half block (4) in a sliding way, the first V-shaped half block (2) is provided with a shaft hole (6), the shaft hole (6) is rotationally connected with a first rotating shaft (7), a driving plate (8) is arranged on the first rotating shaft (7), a screw rod (11) is vertically arranged at the upper end of the driving plate (8), one side of the second V-shaped half block (4) is provided with a screw hole (10), the screw hole (10) is internally connected with a screw rod (11) through screw threads, a fixed block (9) is arranged on the side wall of the first V-shaped half block (2), the fixed block (9) internal rotation is provided with second pivot (91), be provided with locating lever (93) on second pivot (91), locating lever (93) and constant head tank (81) joint of setting on driver plate (8).

2. The V-shaped positioning and clamping device for the numerical control peripheral grinder as claimed in claim 1, wherein: the number of the first V-shaped half blocks (2) and the number of the sliding grooves (3) are respectively two, and the first V-shaped half blocks and the sliding grooves are arranged in a bilateral symmetry mode by taking the vertical central axis of the base (1) as the center.

3. The V-shaped positioning and clamping device for the numerical control peripheral grinder as claimed in claim 1, wherein: the number of the positioning grooves (81) arranged on the dial plate (8) is multiple, and the positioning grooves are arranged in a circumferential array mode by using the center point of the dial plate (8).

4. The V-shaped positioning and clamping device for the numerical control peripheral grinder as claimed in claim 1, wherein: and the outer wall of the second rotating shaft (91) is sleeved with a torsion spring (92), and the other end of the torsion spring (92) is fixedly connected with the fixed block (9).

5. The V-shaped positioning and clamping device for the numerical control peripheral grinder as claimed in claim 4, wherein: the number of the torsion springs (92) is two, and the torsion springs are arranged up and down symmetrically by taking the transverse central axis of the fixing block (9) as a center.

6. The V-shaped positioning and clamping device for the numerical control peripheral grinder as claimed in claim 1, wherein: the screw rod (11), the drive plate (8) and the first rotating shaft (7) are vertically arranged end to end in an up-to-middle-down sequence.

7. The V-shaped positioning and clamping device for the numerical control peripheral grinder as claimed in claim 1, wherein: the number of the fixing blocks (9) is two, and the fixing blocks are respectively arranged on the outer side walls of the two first V-shaped half blocks (2).