CN219254375U - Clamp for inner ring hole of thin-wall gear - Google Patents

Abstract

The utility model discloses a clamp for an inner ring hole of a thin-wall gear, which structurally comprises a chassis, an inner tightening mechanism and an outer tightening mechanism, wherein the inner ring hole of the thin-wall gear is sleeved on the outer side of a pushing plate, then a first knob is twisted to enable a rotating screw to drive a stress rod at the side end of a connecting ring to downwards under the action of penetrating a screw hole, so that a first sliding block is pushed to outwards move, the pushing plate is enabled to prop the inner ring hole of the thin-wall gear, the inner ring is fixed, the clamping groove of the outer ring of the thin-wall gear cannot be blocked when the clamping groove of the thin-wall gear is processed, and when the inner ring hole is required to be processed, a second knob can be twisted to drive a screw rod to drive a clamping plate to inwards move to clamp the thin-wall gear under the action of the connecting screw hole, so that the inner ring hole is processed, and processing of the thin-wall gear under different states can be realized, and cost and working time are saved.

Description

Clamp for inner ring hole of thin-wall gear

Technical Field

The utility model relates to the technical field of thin-wall gear machining equipment, in particular to a thin-wall gear inner ring hole clamp.

Background

The gear is an important transmission part for transmitting the motion and power between the spatial shafts, and has the advantages of stable transmission, wide application range and the like.

The utility model relates to a thin-wall gear clamping device, in particular to a clamping device for machining a thin-wall gear, which belongs to the technical field of gears, is a ring gear with a relatively thin self-size wall thickness and a disc gear with a relatively small spoke width, and is characterized in that the thin-wall gear is clamped by a clamping groove at the outer side of the thin-wall gear through a three-jaw chuck so as not to influence the machining progress in order to prevent the thin-wall gear from loosening during machining when the thin-wall gear is produced, the thin-wall gear clamping device is mainly used for fixing clamping grooves at the outer side of the thin-wall gear through a three-jaw chuck so as to machine the thin-wall gear, the clamping device is easy to cause blocking in the mode of fixing the outer ring when the clamping groove of the outer ring of the thin-wall gear is machined, the clamping device is inconvenient to machine, for example, a connecting shaft connected with a three-jaw chuck of a machine tool is arranged on the clamping body, a part positioning hole is arranged on the clamping body, a positioning platform on the clamping body is provided with a positioning screw, a positioning nut is arranged on the positioning screw, a waist bolt is arranged on the positioning screw and above the positioning nut so that the waist bolt is easy to machine the thin-wall gear, the waist bolt is easily blocked when the clamping groove is machined, the waist bolt is not clamped tightly, the thin-wall bolt is arranged on the waist bolt is not clamped tightly, the clamping device is not is easy to produce stable, and the thin-wall bolt is difficult to machine the thin-wall gear is clamped tightly, the clamping device is difficult to be clamped tightly when the clamping device is required to machine the thin-wall gear is in the clamping device is because the clamping device is because the thin device is required to be firmly clamped with a clamping a thin clamping device.

Disclosure of Invention

First, the technical problem to be solved

In order to overcome the defects of the prior art, the utility model provides a thin-wall gear inner ring hole clamp, which solves the problems that the outer ring clamping groove type fixing mode provided in the prior art is easy to block the clamping groove when the clamping groove is processed, so that the processing is not easy, and the outer ring clamping groove type single instability or clamping is easy to cause the deformation of the thin-wall gear.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a thin-wall gear inner ring hole clamp which comprises a chassis, wherein the chassis is uniformly provided with holes at equal intervals;

the inner tightening mechanism comprises a penetrating screw hole penetrating through the middle of the chassis, a rotating screw is connected inside the penetrating screw hole, a first knob is arranged at the top end of the rotating screw, the upper part of the rotating screw is connected with a connecting ring through a connecting bearing, three first sliding grooves are formed in the chassis at equal intervals, a first sliding block is arranged inside the first sliding groove, a connecting table is arranged on the inner side of the first sliding block, the side end of the connecting table is connected with the connecting ring through a stress rod, and a pushing plate is arranged at the top end of the first sliding block;

the outer tight mechanism, outer tight mechanism includes the inside equidistance of chassis setting up three second spouts, the inside second slider that is equipped with of second spout, second slider top is equipped with the clamping plate, the second spout outside is equipped with the connection screw that runs through, connection screw internal connection has the lead screw, the inside second slider that passes through the bearing connection of lead screw, and the lead screw outside is equipped with the second knob.

Further, the bottom end of the chassis is provided with a chassis seat with a built-in groove, the inside of the groove is connected with a collecting plate, and chip leakage holes penetrating through the upper end and the lower end of the chassis are uniformly formed in the chassis.

Further, the outer side of the pushing plate is arc-shaped, and the outer side of the pushing plate is made of rubber materials.

Further, the other side of the first sliding block is connected with the inner wall of the first sliding groove through a spring.

Further, the clamping plate is of an inward arc shape, and the inner wall of the clamping plate is provided with clamping teeth.

Further, grooves penetrating through the bottom of the chassis are formed in the bottom ends of the first sliding groove and the second sliding groove.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the first knob is twisted to drive the rotating screw rod to move downwards under the action of the penetrating screw hole, and the rotating screw rod drives the stressed rod to move downwards through the connecting bearing and the connecting ring, so that the stressed rod drives the first sliding block to move outwards, the pushing plate pushes the thin-wall gear to be fixedly clamped, and the problem that the clamping groove is imperfect to process due to the fact that the clamping groove is fixed in the inner ring hole is avoided when the outer ring of the thin-wall gear is processed through the clamping groove.

2. According to the utility model, the screw rod is driven to rotate in the connecting screw hole by twisting the second knob, the second sliding block is pushed to slide in the second sliding groove by the bearing, so that the clamping plate is pushed to clamp the outer ring of the thin-wall gear, a worker can process the inner ring of the thin-wall gear, and two groups of different fixing modes are arranged on the chassis, so that the clamping jig does not need to be transferred and replaced when the thin-wall gear is processed, the processing is quicker, and the working efficiency is higher.

3. According to the utility model, the bottom end of the chassis is provided with the chassis seat, the collecting plate is arranged in the chassis seat, and scraps produced by processing are dropped into the collecting plate through the scraps leaking holes, so that the problems that the scraps produced during processing are distributed around the device, and the subsequent cleaning is difficult are avoided.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic top view of the internal structure of the present utility model;

FIG. 3 is a schematic side view of the internal structure of the tightening mechanism of the present utility model;

FIG. 4 is a schematic side view of the internal structure of the external tightening mechanism of the present utility model;

FIG. 5 is a schematic view of the chassis base and the collecting plate of the present utility model;

in the figure: the device comprises a chassis-1, a chip leakage hole-2, an inner tightening mechanism-3, a rotating screw-31, a first knob-32, a connecting bearing-33, a connecting ring-34, a stress rod-35, a first sliding groove-36, a first sliding block-37, a spring-38, a connecting table-39, a pushing plate-310, an outer tightening mechanism-4, a second sliding groove-41, a second sliding block-42, a clamping plate-43, a connecting screw hole-44, a screw rod-45, a second knob-46, a penetrating screw hole-5, a chassis seat-6 and a collecting plate-7.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-5, the utility model provides a thin-wall gear inner ring hole clamp, which comprises a chassis 1, wherein an inner tightening mechanism 3 and an outer tightening mechanism 4 are uniformly arranged in the chassis 1 at equal intervals, and two fixing modes of different embodiments are realized through the inner tightening mechanism 3 and the outer tightening mechanism 4;

in example 1, when the thin-walled gear outer race groove is processed,

the inner tightening mechanism 3, the inner tightening mechanism 3 is including running through the screw 5 that runs through in chassis 1 middle part, through the inside recess that runs through the screw 5 and run through chassis seat 6, make the rotation screw 31 have sufficient position to react when moving down, avoid first slider 37 to promote the problem far enough, run through screw 5 internal connection and have rotation screw 31, and rotation screw 31 top is equipped with first knob 32, set up the friction line with first knob 32 outer wall, with this convenience of use drives and makes the rotation, rotation screw 31 upper portion passes through connecting bearing 33 and connects go-between 34, set up the revolving stage that corresponds with first spout 36 in the go-between 34 outside and be used for connecting atress pole 35, make its swivelling joint, chassis 1 inside equidistance is equipped with three first spouts 36, first spout 36 inside is equipped with first slider 37, first slider 37 inboard is equipped with connecting bench 39, and connecting bench 39 side end is connected with go-between through atress pole 35 and go-between, it makes its inside removal in first spout 36, with the area size that this adjustable atress pole 35 expanded downwards, so that the realization is different, the effect of pushing the pinion is equipped with the thin wall gear is equipped with the outer lane through the effect of the thin wall gear, the effect of stretching the thin wall is realized, the thin wall is realized through the thin wall gear is pressed from the outer lane 310 to the effect of the outer lane is realized, the problem of stretching the outer lane is avoided, the outer lane is pressed from the problem is pressed down through the side 310 to be pressed down, and is pressed down by the outer lane, and is like 310.

Example 2 in machining the inner ring hole of the thin-walled gear,

the outer tightening mechanism 4, outer tightening mechanism 4 includes the inside equidistant three second spouts 41 that set up of chassis 1, the fixed mode of three points is more stable, be difficult for rocking after pressing from both sides tightly, second spout 41 inside is equipped with second slider 42, second slider 42 top is equipped with clamping plate 43, the second spout 41 outside is equipped with the connection screw 44 that runs through, connection screw 44 internally connected with lead screw 45, the inside second slider 42 that passes through the bearing connection of lead screw 45, and the lead screw 45 outside is equipped with second knob 46, drive lead screw 45 through twisting second knob 46 and promote second slider 42 at the inside removal of second spout 41 for the removal interval adjustment of second slider 42, make when the thin wall gear need add the processing to the inner race hole, accessible clamping plate 43 presss from both sides tightly fixedly to the thin wall gear, avoid the fixed mode in inner race hole to cause the problem of blocking the processing.

Through above embodiment 1 and embodiment 2 for when processing, can change the clamp mode at any time and press from both sides tightly thin wall gear with this processing, avoid after processing the inner circle hole, for the processing of convenient outer lane and change the clamp and press from both sides tightly, lead to extravagant operating time and acceleration work efficiency.

Wherein, chassis 1 bottom is equipped with the chassis seat 6 of built-in recess, and recess internally connected has collecting plate 7, and chassis 1 inside evenly is equipped with the hourglass bits hole 2 that runs through upper and lower both ends to this can be with the produced metal chip in the middle of the chassis seat 6 when processing collecting plate 7 through hourglass bits hole 2, with this completion is concentrated and is collected, avoids processing the time chip to fly away, causes the problem of follow-up clearance difficulty.

Wherein, the pushing plate 310 outside is arc form, increases the area of contact with the thin wall gear inner race hole through the arc form for anchor clamps are more stable when pressing from both sides tightly fixedly, and the outside adopts rubber materials to make, reduces the hardness of pushing plate 310 through rubber materials, reduces the damage to thin wall gear.

The other side of the first sliding block 37 is connected with the inner wall of the first sliding groove 36 through a spring 38, and the spring 38 enables one end of the first sliding block 37 to bear force when being pushed, so that the pushing force of the side end can be relieved through the spring 38 when the first sliding block is processed, and the processing is more accurate.

The clamping plate 43 is in an inward arc shape, so that the clamping plate corresponds to the outer ring surface of the thin-wall gear, and the clamping teeth are arranged on the inner wall of the clamping plate 43, so that the clamping plate is more stable in fixation through contact between the clamping teeth and the clamping grooves, and the problem of instability in machining is solved.

Wherein, the bottom ends of the first chute 36 and the second chute 41 are provided with grooves penetrating through the bottom of the chassis 1, and the grooves prevent scraps from falling into the first chute 36 and the second chute 41, thereby causing the problem of troublesome subsequent cleaning.

Working principle: the user firstly sets the inner ring hole of the thin-wall gear on the outer side of the pushing plate 310 according to the direction to be processed of the thin-wall gear, then if the outer ring of the thin-wall gear is to be processed, the first knob 32 now enables the rotating screw 31 to rotate in the penetrating screw hole 5, the rotating screw 31 pushes the stressed rod 35 downwards under the action of the connecting bearing 33 through the connecting ring 34 when rotating downwards, the stressed rod 35 pushes the first sliding block 37 in the first sliding groove 36 to compress the spring 38 to move outwards, so that the pushing plate 310 clamps the thin-wall gear piece outwards, then processing can be performed, if the inner ring hole is to be processed, the second knob 46 can be twisted to enable the screw rod 45 to push the second sliding block 42 to move inwards under the action of the connecting screw hole 44, so that the clamping teeth on the inner wall of the clamping plate 43 are contacted with the clamping groove of the thin-wall gear, and then the pushing plate 310 is reversely rotated to process the inner ring hole, so that the work is completed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The fixture for the inner ring hole of the thin-wall gear is characterized by comprising a chassis (1), wherein the chassis (1) is uniformly provided with holes at equal intervals;

the inner tightening mechanism (3), inner tightening mechanism (3) is including running through screw (5) in middle part of running through chassis (1), run through screw (5) internal connection has rotation screw (31), and rotation screw (31) top is equipped with first knob (32), rotation screw (31) upper portion is through connecting bearing (33) connection go-between (34), chassis (1) inside equidistance is equipped with three first spouts (36), first spout (36) inside is equipped with first slider (37), first slider (37) inboard is equipped with connecting bench (39), and connecting bench (39) side end is connected with go-between (34) through atress pole (35), first slider (37) top is equipped with pushing plate (310);

the outer tight mechanism (4), outer tight mechanism (4) include chassis (1) inside equidistance setting's three second spouts (41), second spout (41) inside is equipped with second slider (42), second slider (42) top is equipped with clamping plate (43), second spout (41) outside is equipped with connecting screw (44) that run through, connecting screw (44) internal connection has lead screw (45), second slider (42) is connected through the bearing to lead screw (45) inside, and the lead screw (45) outside is equipped with second knob (46).

2. The thin-walled gear inner race hole clamp of claim 1, wherein: the bottom of the chassis (1) is provided with a chassis seat (6) with a built-in groove, the inside of the groove is connected with a collecting plate (7), and chip leakage holes (2) penetrating through the upper end and the lower end of the chassis (1) are uniformly formed in the chassis.

3. The thin-walled gear inner race hole clamp of claim 1, wherein: the outer side of the pushing plate (310) is arc-shaped, and the outer side is made of rubber materials.

4. The thin-walled gear inner race hole clamp of claim 1, wherein: the other side of the first sliding block (37) is connected with the inner wall of the first sliding groove (36) through a spring (38).

5. The thin-walled gear inner race hole clamp of claim 1, wherein: the clamping plate (43) is of an inward arc shape, and clamping teeth are arranged on the inner wall of the clamping plate (43).

6. The thin-walled gear inner race hole clamp of claim 1, wherein: the bottoms of the first chute (36) and the second chute (41) are provided with grooves penetrating through the bottom of the chassis (1).

Images