CN213351610U

CN213351610U - Clamp for machining inner hole of gear

Info

Publication number: CN213351610U
Application number: CN202021889488.5U
Authority: CN
Inventors: 顾聪
Original assignee: Wuxi Jingyida Technology Co ltd
Current assignee: Wuxi Jingyida Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-04
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses an anchor clamps are used in gear hole processing relates to anchor clamps technical field, the on-line screen storage device comprises a base, the motor is installed to base one side, the output of motor is connected with the lead screw that extends to base inside, the inside spout that is provided with of base, the outside both sides swing joint of lead screw has the slider with spout sliding connection. The utility model discloses a unique design's the outer holding frame that becomes gear tooth face, can carry out the centre gripping to the tooth's socket that becomes gear tooth face outward and fix, can not be to the precision wearing and tearing and destruction of the outer tooth face of gear, and the intermediate position that main fixed tooth is located the holding frame carries on spacing fixedly to the gear, the vice sliding tooth of multiunit can slide and rotate inside the arc wall, through the distance between the main fixed tooth of manual adjustment multiunit and the angle of the vice sliding tooth of each group, make the vice sliding tooth of multiunit extend to the tooth inslot portion of gear, and then this structure can carry out the centre gripping to the gear of different modulus sizes fixed, it is comparatively convenient that the operation gets up.

Description

Clamp for machining inner hole of gear

Technical Field

The utility model relates to an anchor clamps technical field specifically is an anchor clamps are used in gear hole processing.

Background

The jig is a device for fixing a machining object to a correct position for construction or inspection in a mechanical manufacturing process, and is also called a jig.

In the prior art, most of clamps used for machining gear inner holes directly clamp and fix the outer tooth surfaces of the gears, so that the surface precision of the outer tooth surfaces of the gears is easily damaged in the machining process of the gear inner holes, and the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the gear tooth surface is very easily damaged by a clamp for clamping a gear when the gear inner hole is machined in the prior art, and the precision of the gear tooth surface is reduced, the clamp for machining the gear inner hole is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for processing an inner hole of a gear comprises a base, wherein a motor is arranged on one side of the base, the output end of the motor is connected with a screw rod extending into the base, the inner part of the base is provided with a sliding chute, the two sides of the outer part of the screw rod are movably connected with sliding blocks which are in sliding connection with the sliding chute, the tops of the two groups of sliding blocks are fixedly provided with two groups of clamping frames above the base, the tops and the bottoms of the inner sides of the two groups of clamping frames are both provided with arc-shaped grooves which are matched with the clamping frames, the middle position in the arc-shaped groove is fixedly provided with a main fixed tooth, two ends of the main fixed tooth in the arc-shaped groove are connected with a plurality of groups of auxiliary sliding teeth in a sliding way, the top and the bottom of the main fixed teeth and the auxiliary sliding teeth are both fixedly provided with limiting columns which extend into the arc-shaped groove and are connected with the arc-shaped groove in a sliding way, the inside fixed magnet that is provided with of spacing post, the inside top and the bottom of holding frame all are fixed the electro-magnet that is provided with magnet matched with.

Preferably, a power box is fixedly arranged at one corner of the top of the base, and the power box is electrically connected with the electromagnet through a conducting wire.

Preferably, screws penetrating through the clamping frame and extending to the inside of the main fixing teeth are arranged at the middle position of the top of the clamping frame, and the number of the screws is two.

Preferably, supporting legs are fixedly arranged on two sides of the bottom of the base, and rubber pads are fixedly arranged at the bottoms of the supporting legs.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a unique design's gear external tooth face's holding frame, can carry out the centre gripping to the tooth's socket of gear external tooth face fixed, can not be to the precision wearing and tearing and destruction of gear external tooth face, and the intermediate position that main fixed tooth is located the holding frame carries on spacing fixed to the gear, the vice sliding tooth of multiunit can slide and rotate inside the arc wall, through the distance between the main fixed tooth of manual adjustment multiunit and the angle of the vice sliding tooth of each group, make the vice sliding tooth of multiunit extend to the inside of the tooth's socket of gear, and then this structure can carry out the centre gripping to the gear of different modulus sizes fixed, the suitability is higher, it is comparatively convenient to operate.

Drawings

Fig. 1 is an exploded view of the present invention as a whole;

fig. 2 is a transverse sectional view of the present invention;

fig. 3 is a longitudinal sectional view of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

In the figure: 1. a base; 2. a motor; 3. a screw rod; 4. a chute; 5. a slider; 6. a clamping frame; 7. an arc-shaped slot; 8. main fixed teeth; 9. a secondary sliding tooth; 10. a limiting column; 11. a magnet; 12. an electromagnet; 13. a power supply box; 14. a wire; 15. a screw; 16. support the feet.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a gear inner hole machining fixture comprises a base 1, a motor 2 is installed on one side of the base 1, a screw rod 3 extending into the base 1 is connected to an output end of the motor 2, a sliding groove 4 is arranged inside the base 1, sliding blocks 5 slidably connected with the sliding groove 4 are movably connected to two sides of the outer portion of the screw rod 3, two groups of clamping frames 6 are fixedly arranged on the top of the base 1 at the tops of the two groups of sliding blocks 5, arc-shaped grooves 7 matched with the clamping frames 6 are arranged at the tops and the bottoms of the inner sides of the two groups of clamping frames 6, main fixed teeth 8 are fixedly arranged at the middle positions inside the arc-shaped grooves 7, a plurality of groups of auxiliary sliding teeth 9 are slidably connected to two ends of the main fixed teeth 8 inside the arc-shaped grooves 7, and limiting columns 10 slidably connected with the arc-shaped grooves 7 are fixedly arranged at the tops and the, the inside fixed magnet 11 that is provided with of spacing post 10, the inside top and the bottom of holding frame 6 all are fixed with electromagnet 12 with magnet 11 matched with.

The utility model discloses a uniquely designed gear external tooth face's holding frame 6, can carry out the centre gripping to the tooth's socket of gear external tooth face fixed, can not be to the precision wearing and tearing and destruction of gear external tooth face, and main fixed tooth 8 is located the intermediate position of holding frame 6 and carries out spacing fixed to the gear, the vice sliding tooth of multiunit 9 can slide and rotate in 7 insides of arc wall, through the distance between the main fixed tooth of manual adjustment multiunit 8 and the angle of the vice sliding tooth of each group 9, make the vice sliding tooth of multiunit 9 extend to the tooth inslot of gear, and then this structure can carry out the centre gripping to the gear of different modulus sizes fixed, the suitability is higher, it is comparatively convenient that the operation gets up.

Please refer to fig. 1 and fig. 4, a power box 13 is fixedly disposed at a corner of the top of the base 1, and the power box 13 is electrically connected to the electromagnet 12 through a wire 14, so that the power box 13 is disposed to supply power to the electromagnet 12.

Please refer to fig. 1 and fig. 3, the screws 15 penetrating through the clamping frame 6 and extending to the inside of the main fixing teeth 8 are disposed at the middle position of the top of the clamping frame 6, and the number of the screws 15 is two, the utility model discloses a set up the screws 15, play the fixed limiting role of the main fixing teeth 8.

Please refer to fig. 1 and fig. 4, the supporting legs 16 are fixedly arranged at both sides of the bottom of the base 1, and the rubber pads are fixedly arranged at the bottom of the supporting legs 16, the utility model discloses a set up the supporting legs 16, play the holistic supporting role of the utility model.

The working principle is as follows: when the gear clamping device is used, a power supply is switched on, a gear to be processed is placed in the middle of the two groups of clamping frames 6, the two groups of main fixed teeth 8 are aligned to tooth grooves in the gear, then the motor 2 drives the screw rod 3 with opposite rotation directions to rotate, two sides of the screw rod 3 drive the two groups of clamping frames 6 to slide close to each other, after the two groups of clamping frames 6 are adjusted for a certain distance, a plurality of groups of auxiliary sliding teeth 9 are manually slid in the arc-shaped groove 7, the distance between the plurality of groups of auxiliary sliding teeth 9 is adjusted, then a certain angle is adjusted for the plurality of groups of auxiliary sliding teeth 9 according to the angle of the tooth grooves of the gear, so that the plurality of groups of auxiliary sliding teeth 9 are respectively aligned to the tooth grooves in the gear, after all the auxiliary sliding teeth 9 are adjusted for position, the main fixed teeth 8 and the electromagnets 12 which are fixedly arranged at the top and the bottom of the auxiliary sliding teeth 9 are electrified through the power supply box, and then the electromagnets 12 are used for attracting the main fixed teeth Power, make main fixed tooth 8 and vice sliding tooth 9 fix, at this moment, restart motor 2, make two sets of holding frame 6 drive multiunit main fixed tooth 8 and the vice sliding tooth 9 of multiunit and move to the centre from both sides, and then make main fixed tooth 8 and vice sliding tooth 9 stretch into the tooth inslot portion of entering gear, and then carry out spacing fixed to the gear, this structure can carry out the centre gripping to the gear of different moduli and fix, the suitability is wider, and the damage to gear tooth face precision falls to minimumly, great protection gear tooth face's precision, it is comparatively convenient to operate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a gear is anchor clamps for hole processing, includes base (1), its characterized in that: base (1) one side is installed motor (2), the output of motor (2) is connected with lead screw (3) that extend to base (1) inside, base (1) inside is provided with spout (4), the outside both sides swing joint of lead screw (3) has slider (5) with spout (4) sliding connection, and is two sets of slider (5) top that is located base (1) is fixed and is provided with two sets of holding frame (6), and is two sets of holding frame (6) inboard top and bottom all are provided with rather than matched with arc wall (7), the fixed main fixed tooth (8) that is provided with of intermediate position department inside arc wall (7), the both ends that are located main fixed tooth (8) inside arc wall (7) all sliding connection have vice sliding tooth (9) of multiunit, the top and the bottom of main fixed tooth (8) and vice sliding tooth (9) all fixed be provided with extend to arc wall (7) inside and slide even arc wall (7) with arc wall (7) and slide The clamping frame comprises a connecting limiting column (10), a magnet (11) is fixedly arranged inside the limiting column (10), and electromagnets (12) matched with the magnet (11) are fixedly arranged at the top end and the bottom end inside the clamping frame (6).

2. The jig for machining the inner hole of the gear according to claim 1, wherein: a power box (13) is fixedly arranged at one corner of the top of the base (1), and the power box (13) is electrically connected with the electromagnet (12) through a lead (14).

3. The jig for machining the inner hole of the gear according to claim 1, wherein: the middle position of the top of the clamping frame (6) is provided with two groups of screws (15) which penetrate through the clamping frame (6) and extend into the main fixed teeth (8), and the number of the screws (15) is two.

4. The jig for machining the inner hole of the gear according to claim 1, wherein: supporting legs (16) are fixedly arranged on two sides of the bottom of the base (1), and rubber pads are fixedly arranged at the bottoms of the supporting legs (16).