CN212527341U - Clamping tool for flange shaft pipe - Google Patents

Abstract

The utility model discloses a flange dish is tight frock of clamp for axle pipe, which comprises a mounting bas, install first motor on the mount pad, the hollow shaft is installed in the axle center of first motor, the hollow shaft is worn out the chuck body is installed to the one end of mount pad, first motor is kept away from the second motor is installed to the one end of chuck body, solid axle is installed in the axle center of second motor, solid axle wears into the carousel is installed to the inside one end of chuck body, the carousel cup joints the inside of chuck body, the carousel is kept away from the helicla flute has been seted up on the surface of solid axle, the chuck body keeps away from the spout has been seted up on the surface of mount pad, the inner wall connection of spout has the slider, the slider is kept away from the fixed surface of carousel has the clamp stand. The utility model discloses, adopt two motors to put the drive chuck function in central point, be difficult for producing centrifugal force like this, can improve the stability of chuck function, and then improve the machining precision.

Description

Clamping tool for flange shaft pipe

Technical Field

The utility model relates to an anchor clamps technical field specifically is a flange dish shaft is with pressing from both sides tight frock.

Background

The flange plate shaft tube is a structure formed by connecting a flange plate and a shaft tube together; when the flange shaft tube is processed (ground, polished and the like), a clamp is needed to be used for positioning the flange shaft tube.

The current anchor clamps to this circular work piece location of ring flange central siphon have three-jaw chuck, as shown in fig. 1, three-jaw chuck mainly by the chuck body, the carousel, the helicla flute, the spout, the slider, the teeth of a cogwheel, big bevel gear (001), little bevel gear (002) and clamping table are constituteed, drive little bevel gear (002) and rotate, through little bevel gear (002) and big bevel gear (001) meshing, the helicla flute on the drive carousel rotates, mesh between helicla flute and the teeth of a cogwheel, the motion of drawing close and keeping away from is done to the clamping table on the drive slider, and then realize the centre gripping to ring flange central siphon and remove. As shown in fig. 2, there is also a three-jaw chuck, different from the above-described three-jaw chuck in a driving structure, the turntable is driven by a worm gear mechanism (003) installed below the chuck body.

Three-jaw chuck is behind location flange central siphon because the flange central siphon need polish, so three-jaw chuck need rotate, but no matter which three-jaw chuck that adopts two kinds of drive structure, because the position that drive structure distributes is not in chuck body centre of a circle, leads to three-jaw chuck can produce centrifugal force when rotatory, and the phenomenon of three-jaw chuck vibration can appear even fast in the rotational speed, and is unstable, also can cause harmful effects to the machining precision of flange central siphon.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flange dish is tight frock of clamp for shaft pipe adopts two motors to put the drive chuck function in central point, can improve the stability of chuck function like this, and then improves the machining precision, has solved the problem of proposing among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping tool for a flange shaft tube comprises a mounting seat, a first motor is arranged on the mounting seat, a hollow shaft is arranged at the axis of the first motor, a chuck body is arranged at one end of the hollow shaft penetrating through the mounting seat, a second motor is arranged at one end of the first motor, which is far away from the chuck body, a solid shaft is arranged at the axis of the second motor, a turntable is arranged at one end of the solid shaft penetrating into the chuck body, the turntable is sleeved in the chuck body, the surface of the turntable, which is far away from the solid shaft, is provided with a spiral groove, the surface of the chuck body, which is far away from the mounting seat, is provided with a sliding groove, the inner wall of the sliding chute is connected with a sliding block, the surface of the sliding block far away from the rotary table is fixed with a clamping table, gear teeth are fixed on the surface, close to the rotary disc, of the sliding block, and the gear teeth are meshed with the spiral grooves.

Preferably, the chuck body comprises an upper chuck body and a lower chuck body, the upper chuck body is movably connected with the lower chuck body, and the chute is formed in the surface, far away from the mounting seat, of the upper chuck body.

Preferably, the turntable is sleeved in a space of the upper tray body opposite to the lower tray body.

Preferably, the upper end of the hollow shaft is connected with a flange, and the flange is connected with the lower disc body through bolts.

Preferably, the solid shaft is sleeved with the rotating disc.

Preferably, the number of the clamping platforms is not less than 3, and the clamping platforms are uniformly distributed on the upper tray body.

Preferably, the first motor and the second motor are connected through a bolt.

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

1. the utility model discloses, when the chuck body advances line location fastening to the ring flange central siphon, first motor stops, and the function of second motor drives the carousel and rotates, and when the carousel rotated, through helicla flute and teeth of a cogwheel meshing effect, the motion that the drive clamp stand was drawn close each other or was kept away from, and then the completion is to the centre gripping of ring flange central siphon and remove.

2. The utility model discloses, when polishing the ring flange central siphon, the equidirectional same-speed motion simultaneously is done with the second motor to first motor, can keep static between chuck body and the carousel like this, and the ring flange central siphon after being fastened by the centre gripping this moment just can rotate because of pivoted chuck body.

3. The utility model discloses, adopt two motors to put the drive chuck function in central point, be difficult for producing centrifugal force like this, can improve the stability of chuck function, and then improve the machining precision.

Drawings

FIG. 1 is a schematic structural view of a perspective view of a prior art chuck using bevel gear engagement;

FIG. 2 is a schematic structural diagram of a perspective view of a prior art chuck employing a worm and gear mechanism;

fig. 3 is a schematic structural view of a perspective view of the first motor and the mounting base after being mounted;

fig. 4 is a schematic structural diagram of a rear side view of the first motor and the second motor according to the present invention;

FIG. 5 is a schematic structural view of the present invention taken along the A-A section;

fig. 6 is a schematic structural view of a partial sectional perspective view of the chuck body according to the present invention;

fig. 7 is a schematic structural view of a three-dimensional view after the flange shaft tube is positioned and fastened.

In the figure: 1. a mounting seat; 2. a first motor; 3. a hollow shaft; 301. a flange; 4. a chuck body; 401. an upper tray body; 402. a lower tray body; 5. a second motor; 6. a solid shaft; 7. a turntable; 8. a helical groove; 9. a chute; 10. a slider; 11. a clamping table; 12. and (4) gear 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 to 7, the present invention provides a technical solution: a clamping tool for a flange shaft tube comprises a mounting seat 1, wherein the mounting seat 1 is provided with a mounting hole so as to be mounted with a machine table conveniently; the mounting seat 1 can be laterally arranged or horizontally arranged on a machine table, and can be matched with a grinding mechanism, a polishing mechanism or other mechanisms to grind, polish and the like the shaft tube of the flange plate.

The mounting seat 1 is provided with a first motor 2, and the first motor 2 can select a servo motor, a stepping motor or other motors according to requirements; a hollow shaft 3 is mounted at the axis of the first motor 2, and the hollow shaft 3 is a shaft with a hollow interior; a chuck body 4 is arranged at one end of the hollow shaft 3 penetrating out of the mounting seat 1;

a second motor 5 is arranged at one end of the first motor 2 far away from the chuck body 4; furthermore, the first motor 2 is connected with the second motor 5 through bolts, so that convenience is provided for dismounting the second motor 5; the second motor 5 can select a servo motor, a stepping motor or other motors according to requirements; a solid shaft 6 is mounted at the axis of the second motor 5, and the solid shaft 6 is a shaft with a solid inner part; a turntable 7 is arranged at one end of the solid shaft 6 penetrating into the chuck body 4; further, the solid shaft 6 and the turntable 7 are sleeved, and the sleeving type can be spline groove sleeving or flat spline groove connection; the turntable 7 is sleeved inside the chuck body 4;

a spiral groove 8 is formed in the surface, far away from the solid shaft 6, of the turntable 7, a sliding groove 9 is formed in the surface, far away from the mounting seat 1, of the chuck body 4, a sliding block 10 is connected to the inner wall of the sliding groove 9, a clamping table 11 is fixed on the surface, far away from the turntable 7, of the sliding block 10, the clamping table 11 and the sliding block 10 are integrated, steps are distributed on the clamping table 11, and anti-skid grains are arranged on the step surfaces of the steps; when the clamping table 11 moves, the sliding block 10 is matched with the sliding groove 9, so that the clamping table can stably move; the number of the clamping tables 11 is not less than 3, and the clamping tables 11 are uniformly distributed on the upper plate body 401, so that the flange plate shaft tube can be positioned more firmly; the sliding block 10 can be I-shaped or T-shaped, and the shape of the sliding groove 9 is naturally matched with that of the sliding block 10; gear teeth 12 are fixed on the surface of the sliding block 10 close to the rotary disc 7, and the gear teeth 12 are meshed with the spiral groove 8.

When a workpiece is positioned and fastened, the first motor 2 does not operate, that is, the chuck body 4 is static, the second motor 5 operates to drive the turntable 7 positioned in the chuck body 4 to rotate, when the turntable 7 rotates clockwise, the spiral groove 8 rotates clockwise, all the clamping tables 11 are driven to move towards the direction of approaching each other due to the meshing action of the spiral groove 8 and the gear teeth 12, when the turntable 7 rotates reversely, the spiral groove 8 rotates reversely, and all the clamping tables 11 are driven to move towards the direction of leaving each other due to the meshing action of the spiral groove 8 and the gear teeth 12, so that the positioning and fastening of the shaft tube of the flange plate are completed; because the chuck body 4 and the rotary table 7 simultaneously operate at the same direction and the same speed, the chuck body 4 and the rotary table 7 are relatively static, and the positioning and fastening of the workpiece are not influenced when the chuck body 4 rotates; the simultaneous syntropy with fast control of first motor 2 and second motor 5 can be realized controlling by synchronous controller or PWM controller or other controllers, and the simple programming of the technical staff in the control circuit field of controller can be realized, belongs to the common general knowledge in this field, just the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

The chuck body 4 comprises an upper chuck body 401 and a lower chuck body 402, and the upper chuck body 401 is movably connected with the lower chuck body 402; the turntable 7 is sleeved in a space where the upper tray body 401 is opposite to the lower tray body 402; the sliding groove 9 is formed in the surface, away from the mounting seat 1, of the upper tray body 401; the upper disc body 401 and the lower disc body 402 can be movably connected in a threaded connection or a bolt connection, so that convenience is provided for dismounting the turntable 7 in the chuck body 4; further, the upper end of the hollow shaft 3 is connected with a flange 301, and the flange 301 is connected with the lower disc 402 through bolts, so that convenience is provided for dismounting the lower disc 402.

The working principle is as follows: when the flange shaft tube clamping tool is used, firstly, the first motor 2 does not operate, namely the chuck body 4 is static, the second motor 5 operates to drive the rotary table 7 positioned in the chuck body 4 to rotate, when the rotary table 7 rotates clockwise, the spiral groove 8 rotates clockwise, all the clamping tables 11 are driven to move towards the direction of mutual approaching due to the meshing action of the spiral groove 8 and the gear teeth 12, when the rotary table 7 rotates reversely, the spiral groove 8 rotates reversely, and all the clamping tables 11 are driven to move towards the direction of mutual leaving due to the meshing action of the spiral groove 8 and the gear teeth 12, so that the flange shaft tube is positioned and fastened; because the chuck body 4 and the rotary table 7 simultaneously operate at the same direction and the same speed, the chuck body 4 and the rotary table 7 are relatively static, and the positioning and fastening of the workpiece are not influenced when the chuck body 4 rotates; the flange shaft tube can be ground, polished and the like by matching with a grinding mechanism, a polishing mechanism or other mechanisms.

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 (7)

1. The utility model provides a flange dish is tight frock of clamp for central siphon, includes mount pad (1), its characterized in that: the mounting base (1) is provided with a first motor (2), the axle center of the first motor (2) is provided with a hollow shaft (3), the hollow shaft (3) penetrates out of one end of the mounting base (1) and is provided with a chuck body (4), one end of the first motor (2) far away from the chuck body (4) is provided with a second motor (5), the axle center of the second motor (5) is provided with a solid shaft (6), one end of the solid shaft (6) penetrating into the chuck body (4) is provided with a turntable (7), the turntable (7) is sleeved in the chuck body (4), the surface of the turntable (7) far away from the solid shaft (6) is provided with a spiral groove (8), the surface of the chuck body (4) far away from the mounting base (1) is provided with a sliding groove (9), the inner wall of the sliding groove (9) is connected with a sliding block (10), the surface that slider (10) kept away from carousel (7) is fixed with and presss from both sides platform (11), slider (10) are close to the surface of carousel (7) is fixed with teeth of a cogwheel (12), teeth of a cogwheel (12) with meshing mutually between spiral groove (8).

2. The flange dish bobbin of claim 1 presss from both sides tight frock, characterized in that: chuck body (4) include upper disc body (401) and lower disc body (402), upper disc body (401) with swing joint between lower disc body (402), spout (9) are seted up upper disc body (401) are kept away from the surface of mount pad (1).

3. The flange dish bobbin of claim 2 is with pressing from both sides tight frock, characterized in that: the rotary disc (7) is sleeved in a space where the upper disc body (401) is opposite to the lower disc body (402).

4. The flange dish bobbin of claim 3 is with pressing from both sides tight frock, characterized in that: the upper end of the hollow shaft (3) is connected with a flange (301), and the flange (301) is connected with the lower disc body (402) through bolts.

5. The flange dish bobbin of claim 1 presss from both sides tight frock, characterized in that: the solid shaft (6) is sleeved with the rotary table (7).

6. The flange dish bobbin of claim 2 is with pressing from both sides tight frock, characterized in that: the number of the clamping tables (11) is not less than 3, and the clamping tables (11) are uniformly distributed on the upper tray body (401).

7. The flange dish bobbin of claim 1 presss from both sides tight frock, characterized in that: the first motor (2) is connected with the second motor (5) through bolts.

Images