CN220516082U - Direction adjusting clamp of numerical control machine tool - Google Patents

Abstract

The utility model relates to a direction-adjusting clamp of a numerical control machine tool, which belongs to the technical field of numerical control machine tool clamps and comprises a machine tool connecting base, wherein an installation groove is formed in the upper surface of the machine tool connecting base in a penetrating manner, a workpiece carrying table is rotatably installed in the installation groove, a plurality of fixing rods are fixedly installed on the upper surface of the workpiece carrying table at equal intervals in the circumferential direction, fixing blocks are fixedly installed between the upper surfaces of the plurality of fixing rods, a lead screw is rotatably installed between the lower surface of the fixing block and the upper surface of the workpiece carrying table, a lead screw motor is fixedly installed on the lower surface of the workpiece carrying table, a lead screw sliding table is sleeved on the outer surface of the lead screw, a plurality of grooves are formed in the outer surface of the lead screw sliding table at equal intervals in the axial direction, a plurality of U-shaped switching blocks are rotatably installed on the upper surface of the workpiece carrying table at equal intervals in the circumferential direction, and a contact block is rotatably installed between the corresponding two linkage rods.

Description

Direction adjusting clamp of numerical control machine tool

Technical Field

The utility model belongs to the technical field of numerically-controlled machine tool fixtures, and particularly relates to a direction adjusting fixture of a numerically-controlled machine tool.

Background

The numerical control machine tool fixture is mainly used for cutting machining of inner and outer cylindrical surfaces, inner and outer conical surfaces with any cone angle, complex rotation inner and outer curved surfaces, cylindrical threads, conical threads and the like of shaft parts or disc parts, and can be used for grooving, drilling, reaming, boring and the like.

The existing numerical control machine tool adopts a clamp which is used for clamping and fixing a workpiece from the outside, when the workpiece is clamped in the space, the clamping part of the clamp can shield the outer surface of the workpiece, and the shielded part is inconvenient for drilling operation, so the technical problem is solved by the special direction-adjusting clamp of the numerical control machine tool.

Disclosure of Invention

The utility model provides a direction-adjusting clamp of a numerical control machine tool, which aims at solving the problems that when a hollow workpiece is clamped by a clamp adopted by the numerical control machine tool in the prior art, a clamping part of the clamp can shield the outer surface of the workpiece, and the shielded part is inconvenient for drilling operation. The specific technical scheme is as follows:

the utility model provides a turning anchor clamps of digit control machine tool, includes the lathe connection base, the mounting groove has been run through to the upper surface of lathe connection base, work piece carrier is installed to the mounting groove internal rotation, the upper surface of work piece carrier is circumference equidistance fixed mounting has a plurality of dead levers, a plurality of fixed block has between the upper surface of dead lever, rotate between the lower surface of dead block and the upper surface of work piece carrier and install the lead screw, the lower surface fixed mounting of work piece carrier has the lead screw motor that is used for driving lead screw pivoted, the surface of lead screw cup joints and installs the lead screw slip table, the lead screw slip table slides and sets up between a plurality of dead levers, a plurality of recesses have been seted up to the external surface of lead screw slip table to the axial equidistance, all rotate in recess and the U type carrier and install the ganglever, corresponding two all rotate between the ganglever and install the contact block, install circumference adjusting device between work piece carrier and the connection base.

In the technical scheme, the circumferential adjusting device comprises an annular gear, an adjusting motor and a gear, wherein the annular gear is fixedly arranged on the lower surface of the workpiece carrier, the adjusting motor is fixedly arranged in the machine tool connecting base, the gear is sleeved on the outer surface of an output shaft of the adjusting motor, and the gear is in meshed connection with the annular gear;

in the technical scheme, a plurality of steel balls are embedded and rotatably arranged in the mounting groove, and the lower surface of the workpiece carrier is attached to the outer surfaces of the steel balls;

in the technical scheme, the shielding plate is fixedly arranged on the outer surface of the machine tool connecting base, and the outer surfaces of the shielding plates are provided with radiating holes in a penetrating mode;

in the above technical scheme, the number of the grooves is four, and the installation number of the U-shaped adapter blocks is the same as the number of the grooves;

in the technical scheme, the contact block is a rubber contact block, and the outer side surface of the contact block is an arc-shaped surface.

Compared with the prior art, the direction-adjusting clamp of the numerical control machine tool has the beneficial effects that:

1. according to the utility model, the screw motor can be utilized to drive the screw to rotate, and after the screw drives the screw sliding table to move downwards, the four contact blocks can be synchronously driven to move outwards under the linkage of the screw sliding table and the linkage rod, so that the four contact blocks are utilized to clamp and fix the hollow workpiece from the inside, the outside of the workpiece is not shielded, and the drilling of the outer surface of the workpiece is more convenient.

2. According to the utility model, the workpiece carrying table can be driven to rotate by utilizing the circumferential adjusting device, so that the clamped workpiece is driven to rotate to adjust the punching surface, and the punching operation is more convenient.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of the structure of the machine tool connection base of the present utility model.

Fig. 4 is an enlarged view of a partial structure at a in fig. 2.

In fig. 1-4, wherein: the machine tool comprises a 1-machine tool connecting base, 11-mounting grooves, 111-steel columns, 12-shielding plates, 121-heat dissipation ports, 2-workpiece carriers, 21-fixing rods, 22-fixing blocks, 3-lead screws, 4-lead screw sliding tables, 41-grooves, 42-linkage rods, 5-lead screw motors, 6-U-shaped adapter blocks, 7-contact blocks, 8-circumferential adjusting devices, 81-annular gears, 82-adjusting motors and 83-gears.

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.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a turning clamp of digit control machine tool, including lathe connection base 1, the upper surface of lathe connection base 1 runs through and has seted up mounting groove 11, work piece carrier 2 is installed to the internal rotation of mounting groove 11, the upper surface of work piece carrier 2 is circumference equidistance fixed mounting has a plurality of dead levers 21, fixed block 22 is installed to fixed between the upper surface of a plurality of dead levers 21, install lead screw 3 between the upper surface of fixed block 22 and work piece carrier 2, the lower surface of work piece carrier 2 is fixedly installed and is used for driving lead screw 3 pivoted lead screw motor 5, as shown in fig. 2, the bottom and the output shaft fixed connection of lead screw motor 5 of lead screw 3, lead screw 4 is installed in the outer surface sleeve joint of lead screw 3, lead screw 4 slides and sets up between a plurality of dead levers 21, the outward appearance of lead screw 4 is axially equidistance and has seted up a plurality of recesses 31, the upper surface of work piece carrier 2 is circumference equidistance fixed mounting has a plurality of U type changeover pieces 6, all rotate and install lever 42 in recess 41 and the U type changeover piece 6, all rotate and install contact block 7 between two corresponding levers 42, install linkage between work piece carrier 2 and lathe connection base 8;

during the use, with hollow work piece cover in the outside of a plurality of contact blocks 7, then, after switching on the power with lead screw motor 5, utilize lead screw motor 5 to order about lead screw 3 dwang, when lead screw 3 rotates and drive lead screw slip table 4 and move down, the outside end of gangbar 42 drives contact block 7 outside and removes and laminate with the inside wall of hollow work piece, after the laminating, utilize two relative contact blocks 7 to carry out the centre gripping fixedly to hollow work piece, compare with the anchor clamps that numerical control machine tool adopted among the prior art, can follow the inboard and carry out the centre gripping fixedly to the work piece, when having solved drilling to the work piece surface, the surface is easy to receive and shelters from, the inconvenient problem of drilling.

It should be noted that, as shown in fig. 2, the circumferential adjustment device 8 includes an inner gear ring 81, an adjustment motor 82 and a gear 83, the inner gear ring 81 is fixedly installed on the lower surface of the workpiece carrier 2, the adjustment motor 82 is fixedly installed in the machine tool connection base 1, the gear 83 is sleeved on the outer surface of the output shaft of the adjustment motor 82, and the gear 83 is engaged with the inner gear ring 81;

the adjusting motor 82 can drive the workpiece carrying platform 2 to rotate through the linkage effect of the gear 83 and the annular gear 82, and when the workpiece carrying platform 2 rotates, the structure for clamping the hollow workpiece and the hollow workpiece rotate along with the structure, so that the outer surface of the hollow workpiece can be conveniently adjusted to the direction of a drill bit, and drilling operations can be conveniently carried out on different surfaces of the hollow workpiece.

In addition, in order to facilitate the rotation of the workpiece carrier 2 to be smoother, as shown in fig. 4, a plurality of steel balls 111 are embedded and rotatably installed in the installation groove 11, after the installation, the lower surface of the workpiece carrier 2 is attached to the outer surface of the steel balls 111, the separation of the workpiece carrier 2 from the bottom of the inner cavity of the installation groove 11 can be reduced by means of the steel balls 111, and when the workpiece carrier 2 rotates, the steel balls 111 rotate along with the workpiece carrier 2, so that the workpiece carrier 2 rotates to be smoother.

In order to protect the adjusting motor 83 and the screw motor 5, as shown in fig. 1 or fig. 2, a shielding plate 12 is fixedly installed on the outer surface of the machine tool connection base 1, and in order to facilitate heat dissipation of the adjusting motor 83 and the screw motor 5, heat dissipation openings 121 are formed on the outer surface of the shielding plate 12 in a penetrating manner.

In addition, in order to further improve the stability of clamping and fixing in the hollow workpiece, the number of grooves 41 is required to be four, and the installation number of the U-shaped adapter blocks 6 is the same as the number of the grooves 41, so that the four contact blocks 7 are arranged front, back, left and right as shown in fig. 2, the hollow workpiece can be clamped and fixed in four opposite directions, and the stability of the clamped hollow workpiece can be further improved.

In addition, in order to avoid the contact block 7 from clamping the inner side wall of the hollow workpiece in the clamping process, the contact block 7 needs to be set as a rubber contact block, and in order to enlarge the contact area between the contact block 7 and the inner side wall of the hollow workpiece, the outer side surface of the contact block 7 needs to be set as an arc surface.

Claims (6)

1. The utility model provides a turning clamp of digit control machine tool, includes lathe connection base (1), its characterized in that, mounting groove (11) has been run through to the upper surface of lathe connection base (1), work piece microscope carrier (2) are installed to the surface of mounting groove (11) internal rotation, the upper surface of work piece microscope carrier (2) is circumference equidistance fixed mounting has a plurality of dead levers (21), a plurality of fixed block (22) are installed to fixed mounting between the upper surface of dead lever (21), install lead screw (3) rotate between the lower surface of dead block (22) and the upper surface of work piece microscope carrier (2), the lower surface fixed mounting of work piece microscope carrier (2) has lead screw motor (5) that are used for driving lead screw (3) pivoted, lead screw slipway (4) are installed in the outer surface sleeve joint of lead screw (3), lead screw slipway (4) slip sets up a plurality of between dead lever (21), the surface of lead screw slipway (4) is the axial equidistance and is offered a plurality of recesses (31), the upper surface of work piece microscope carrier (2) is installed into a plurality of U-shaped blocks (6) and is installed in the linkage (42) corresponding rotation between two (42) and two linkage pieces (42), a circumferential adjusting device (8) is arranged between the workpiece carrying platform (2) and the machine tool connecting base (1).

2. The direction-adjusting clamp of the numerical control machine tool according to claim 1, wherein the circumferential adjusting device (8) comprises an inner gear ring (81), an adjusting motor (82) and a gear (83), the inner gear ring (81) is fixedly arranged on the lower surface of the workpiece carrying platform (2), the adjusting motor (82) is fixedly arranged in the machine tool connecting base (1), the gear (83) is sleeved on the outer surface of an output shaft of the adjusting motor (82), and the gear (83) is meshed and connected with the inner gear ring (81).

3. The direction-adjusting clamp of the numerical control machine tool according to claim 1 or 2, wherein a plurality of steel balls (111) are embedded and rotatably installed in the installation groove (11), and the lower surface of the workpiece carrying table (2) is attached to the outer surface of the steel balls (111).

4. A direction-adjusting clamp for a numerical control machine tool according to claim 3, characterized in that a shielding plate (12) is fixedly arranged on the outer surface of the machine tool connection base (1), and heat dissipation openings (121) are formed in the outer surfaces of the shielding plate (12) in a penetrating manner.

5. A direction-adjusting clamp for a numerical control machine tool according to claim 3, wherein the number of the grooves (41) is four, and the number of the U-shaped adapter blocks (6) is the same as the number of the grooves (41).

6. The direction-adjusting clamp of the numerical control machine tool according to claim 5, wherein the contact block (7) is a rubber contact block, and the outer side surface of the contact block (7) is an arc surface.