CN213497848U

CN213497848U - Machining clamping tool

Info

Publication number: CN213497848U
Application number: CN202022660836.8U
Authority: CN
Inventors: 孙海峰
Original assignee: Jining Technician College
Current assignee: Jining Technician College
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-06-22
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a machining clamping tool, which comprises a base, wherein a chute is arranged in the base, and sliding strips are arranged at the groove walls on the left side and the right side of the chute; the outer part of the base is provided with an ear plate, a threaded sleeve is poured in the ground, a screw is matched between the ear plate and the threaded sleeve, a supporting plate is assembled in the chute, notches are formed in the positions, close to the bottom, of the two sides of the supporting plate, and the sliding strip is matched in the notches; the sliding strip and the notch are in transition fit; the top of the supporting plate is provided with a slot; connecting rods are arranged on the left side surface and the right side surface of the supporting plate; the device can realize external clamping and increase the rotation stability of the workpiece.

Description

Machining clamping tool

Technical Field

The utility model relates to a machining clamping tools.

Background

When the slender shaft part is machined, one end of the part passes through the main shaft (hollow main shaft) and then passes through the three-jaw chuck to extend to the machining position of a machine tool; the end of the spindle is located outside the machine tool, and the end of the part may generate a large run-out due to the high-speed rotation of the spindle, which may cause unstable operation of the machine tool, bending of the workpiece, and possibly even deformation of the spindle.

Therefore, a mechanical processing clamping tool which can realize external clamping and increase the rotation stability of a workpiece is specially designed for processing the slender bar.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can realize outside clamping, increase workpiece rotation stability's machining clamping tool.

In order to solve the above problem, the utility model adopts the following technical scheme:

a clamping tool for machining comprises a base, wherein a sliding groove is formed in the base, and sliding strips are arranged on the groove walls on the left side and the right side of the sliding groove; the outer part of the base is provided with an ear plate, a threaded sleeve is poured in the ground, a screw is matched between the ear plate and the threaded sleeve, a supporting plate is assembled in the chute, notches are formed in the positions, close to the bottom, of the two sides of the supporting plate, and the sliding strip is matched in the notches; the sliding strip and the notch are in transition fit; the top of the supporting plate is provided with a slot; connecting rods are arranged on the left side surface and the right side surface of the supporting plate, a vertical pipe is arranged at one end, away from the supporting plate, of each connecting rod, a movable rod is inserted into each vertical pipe, each movable rod can slide along the axial direction of each vertical pipe, and a first screw for fixing each movable rod is screwed into the outer side of each vertical pipe; a transverse plate is arranged between the tops of the movable rods on the two sides; a socket is arranged at the bottom of the transverse plate, and a first slot is formed in the bottom of the socket; positioning blocks are arranged at the top of the supporting plate and the bottom of the socket, and insertion pieces are arranged on the positioning blocks and matched with the slots and the first slot; the side of the positioning block, which is far away from the inserting piece, is provided with an arc-shaped groove for positioning a workpiece.

Preferably, a gasket is assembled on the screw and acts between the lug plate and the threaded sleeve, and the thickness of a single gasket is 0.5-2 mm; when the ground is uneven or the coaxiality of the arc-shaped groove and the machine tool spindle is poor, a gasket is needed, the device can be heightened through the gasket, the arc-shaped groove and the machine tool spindle are coaxial, and the support coaxiality is ensured.

Preferably, a magnetic block is installed at the bottom of the first slot, and the insert is magnetically attracted by the magnetic block after being inserted; the structure mainly ensures that the inserting sheet can be fixed after being inserted, and avoids the falling-off event of the inserting sheet when in adjustment.

Preferably, a lining plate made of graphite is arranged at the position of the bottom of the arc-shaped groove; the surface friction of the lining plate made of graphite is small, and when the workpiece rotates, the friction resistance can be reduced.

Preferably, a bolt is arranged at the top of the socket, and the bolt penetrates through the transverse plate upwards and is matched with a nut; this configuration allows the socket to be replaceable.

The utility model has the advantages that:

1) the positioning block in the device is replaceable, and the positioning block with a proper inner diameter can be selected according to the diameter of a processed bar stock to meet the clamping requirement;

2) the device is built on the outer side of a machine tool, so that the clamping of a slender bar is realized, the bar is prevented from jumping or bending when rotating at a high speed, and the safe cutting processing is ensured;

3) the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.

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

fig. 2 is a schematic view of the installation of the insert.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, the clamping tool for machining includes a base 1, a sliding groove 101 is provided in the base 1, and sliding bars 102 are provided at left and right groove walls of the sliding groove 101; an ear plate 103 is arranged outside the base 1, a threaded sleeve 104 is poured in the ground, a screw 105 is matched between the ear plate 103 and the threaded sleeve 104, a support plate 2 is assembled in the sliding groove 101, notches 201 are arranged at positions, close to the bottom, of two sides of the support plate 2, and the sliding strip 102 is matched in the notches 201; the sliding strip 102 and the notch 201 are in transition fit; a slot (not shown) is arranged on the top of the supporting plate 2; connecting rods 202 are arranged on the left side surface and the right side surface of the supporting plate 2, a vertical pipe 203 is arranged at one end, away from the supporting plate 2, of each connecting rod 202, a movable rod 3 is inserted into each vertical pipe 203, each movable rod 3 can slide along the axial direction of each vertical pipe 203, and a first screw 204 for fixing each movable rod 3 is screwed into the outer side of each vertical pipe 203; a transverse plate 4 is arranged between the tops of the movable rods 3 on the two sides; a socket 5 is arranged at the bottom of the transverse plate 4, and a first slot (not shown) is arranged at the bottom of the socket 5; positioning blocks 6 are arranged at the top of the supporting plate 2 and the bottom of the socket 5, an insertion piece 601 is arranged on each positioning block 6, and the insertion pieces 601 are matched with the slots and the first slots; the side of the positioning block 6 away from the insert 601 is provided with an arc-shaped groove 602 for positioning a workpiece.

In a preferred embodiment of the present invention, a spacer 111 is mounted on the screw 105, the spacer 111 acts between the ear plate 103 and the thread bushing 104, and the thickness of the spacer 111 is 0.5mm to 2 mm; when the ground is uneven or the coaxiality of the arc-shaped groove and the machine tool spindle is poor, a gasket is needed, the device can be heightened through the gasket, the arc-shaped groove and the machine tool spindle are coaxial, and the support coaxiality is ensured.

In a preferred embodiment of the present invention, a magnetic block 7 is installed at the bottom position of the first slot, and the insert is magnetically adsorbed by the magnetic block after being inserted; the structure mainly ensures that the inserting sheet can be fixed after being inserted, and avoids the falling-off event of the inserting sheet when in adjustment.

In a preferred embodiment of the present invention, a graphite lining plate 666 is disposed at the bottom of the arc-shaped groove 602; the surface friction of the lining plate made of graphite is small, and when the workpiece rotates, the friction resistance can be reduced.

In a preferred embodiment of the present invention, a bolt 551 is disposed on the top of the socket 5, and the bolt 551 is engaged with a nut 552 after passing upward through the transverse plate 4; this configuration allows the socket to be replaceable.

The utility model has the advantages that:

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a machining clamping tool which characterized in that: the device comprises a base, wherein a sliding chute is arranged in the base, and sliding strips are arranged on the left and right side chute walls of the sliding chute; the outer part of the base is provided with an ear plate, a threaded sleeve is poured in the ground, a screw is matched between the ear plate and the threaded sleeve, a supporting plate is assembled in the chute, notches are formed in the positions, close to the bottom, of the two sides of the supporting plate, and the sliding strip is matched in the notches; the sliding strip and the notch are in transition fit; the top of the supporting plate is provided with a slot; connecting rods are arranged on the left side surface and the right side surface of the supporting plate, a vertical pipe is arranged at one end, away from the supporting plate, of each connecting rod, a movable rod is inserted into each vertical pipe, each movable rod can slide along the axial direction of each vertical pipe, and a first screw for fixing each movable rod is screwed into the outer side of each vertical pipe; a transverse plate is arranged between the tops of the movable rods on the two sides; a socket is arranged at the bottom of the transverse plate, and a first slot is formed in the bottom of the socket; positioning blocks are arranged at the top of the supporting plate and the bottom of the socket, and insertion pieces are arranged on the positioning blocks and matched with the slots and the first slot; the side of the positioning block, which is far away from the inserting piece, is provided with an arc-shaped groove for positioning a workpiece.

2. The machining clamp of claim 1, wherein: the screw is provided with a gasket, the gasket acts between the ear plate and the threaded sleeve, and the thickness of the gasket is 0.5 mm-2 mm.

3. The machining clamp of claim 1, wherein: a magnetic block is installed at the position of the bottom of the first slot, and the inserting piece is magnetically adsorbed by the magnetic block after being inserted.

4. The machining clamp of claim 1, wherein: and a lining plate made of graphite is arranged at the bottom of the arc-shaped groove.

5. The machining clamp of claim 1, wherein: and a bolt is arranged at the top of the socket and upwards penetrates through the transverse plate and then is matched with a nut.