TWM636989U - Shaft transmission structure adjustment device and indexing plate - Google Patents

Abstract

The present invention provides an adjustment device of a shaft transmission structure, in which the holder of the adjustment assembly is movably combined in a combination groove of a base, and the adjustment assembly includes two push-butting pieces and two adjustment pieces combined with the holder, The user can easily fine-tune the two adjustment parts from the adjustment interface of the holder, and then the holder can be moved through the two pushing parts, so as to change the position of the combined transmission shaft for precision adjustment. The utility model effectively improves the problems of difficult adjustment of the worm screw of the existing indexing plate, high man-hours and labor costs, and provides an indexing plate with the adjusting device.

Description

Shaft transmission structure adjustment device and indexing plate

The present invention relates to an adjustment device of a transmission structure, in particular to an adjustment device of a shaft transmission structure and a dividing plate with the adjustment device.

The existing indexing plate utilizes a worm drive mechanism, that is, a combination of a worm and a worm wheel, so that the workpiece can rotate at different angles on the worktable of the machine tool according to the processing requirements, so that complex shapes can be processed.

In view of the high sensitivity of precision machining to errors, it is inevitable that there will be tolerances in straightness and roundness in the production of the worm of the existing indexing plate, which will easily cause errors in the transmission, which will cause the existing indexing plate to rotate the workpiece. The precision is not enough, so it is necessary to adjust the worm of the existing indexing plate to meet the accuracy required by the existing indexing plate.

However, the adjustment of the worm screw of the existing indexing plate is not easy, and the man-hours and labor costs are relatively high, but there are still some points to be improved.

In order to solve the problems of difficult adjustment of the worm screw of the existing indexing plate and high man-hours and labor costs, this new model provides an adjusting device with a shaft transmission structure and an indexing plate with the adjusting device, which can be easily adjusted and effectively improved the existing Technical issues are further explained below.

The present invention provides an adjustment device of a shaft transmission structure, which includes: a base, which includes at least one coupling groove; and at least one adjustment component, which includes a holder, which is combined with the coupling groove, and the holding The seat is used to combine with a transmission shaft so that the transmission shaft can rotate relative to the holder. The holder is also provided with an adjustment interface, two adjustment channels and two A chute, the adjustment interface is arranged on the side of the holder away from the insertion groove, the two adjustment channels are recessed and formed on the adjustment interface at intervals, and the two chute are oppositely recessed on the surface of the holder, and correspondingly communicate with one of the adjustment channels; two push-off pieces, each of which can move linearly in one of the corresponding slide grooves, and can lean against the inner wall surface of the coupling groove; and two adjustment pieces, Each of the adjustment pieces can move linearly in one of the corresponding adjustment channels, and abut against the corresponding push piece, so that the user can change the positions of the two adjustment pieces from the adjustment interface, and adjust the two push pieces position, so that the holding seat moves between the positions where the two pushing pieces abut against the combining groove.

The adjustment device of the above-mentioned shaft transmission structure, wherein the base includes two coupling grooves, the adjustment device of the shaft transmission structure includes two adjustment components, and the holding seat of each adjustment component is correspondingly combined with one of the coupling grooves.

Furthermore, in the adjustment device of the above-mentioned shaft transmission structure, the moving directions of the holding seats of the two adjustment assemblies relative to the corresponding coupling grooves are parallel to each other.

Furthermore, in the above-mentioned adjusting device for the shaft transmission structure, the pushing member is a ball, and the diameter of the ball matches the inner diameter of the slide groove.

Still further, in the adjustment device of the above-mentioned shaft transmission structure, the adjustment member and the adjustment channel are screwed together so that the adjustment member can rotate and move linearly in the adjustment channel.

Preferably, the adjustment device of the above-mentioned shaft transmission structure, wherein the adjustment assembly includes a bearing set, the bearing set includes at least one bearing, and the bearing set is provided on the holder and the transmission combined with the holder. between the axes.

An indexing plate, which includes: an adjustment device with the above-mentioned shaft transmission structure; A worm, which is used as a transmission shaft and is rotatably coupled to the holder seat of the adjustment device of the shaft transmission structure; and a rotating seat, which is rotatably coupled to the base of the adjustment device of the shaft transmission structure, the When the worm rotates, it drives the rotation base to rotate, and the extension direction of the axis of the rotation base intersects with the extension direction of the axis of the worm.

Further, the above-mentioned index plate, wherein the holding seat of the adjustment device of the shaft transmission structure moves in the coupling groove, and drives the worm to approach or move away from the rotating seat.

With the above-mentioned technical features, the relative movement between the adjustment component of the adjustment device of the shaft transmission structure and the base in the present invention allows the user to easily make fine adjustments from the adjustment interface of the holder to change the combination. The position of the transmission shaft is used for precision adjustment. Therefore, the new model effectively improves the problems of difficult adjustment of the worm of the existing indexing plate, high man-hours and labor costs, and provides an adjustment device for the shaft transmission structure and a device with the adjustment device. Dial.

10: Adjustment device for shaft transmission structure

11: Base

111: combination slot

12: Adjustment components

121: holding seat

122: push piece

123: Adjustment parts

125: Adjust interface

126:Adjust channel

127: Chute

129: Bearing set

20: Worm

30: swivel seat

31: carrier

32: worm gear

D1, D2: axis extension direction

Fig. 1 is the three-dimensional appearance view of the indexing plate of the preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of the combination of the worm and the rotating seat of the indexing plate of the preferred embodiment of the present invention.

Fig. 3 is a side view of Fig. 2 .

Fig. 4 is a partially enlarged top sectional view of the indexing plate in a preferred embodiment of the present invention.

Fig. 5 is a three-dimensional exploded view of the adjusting assembly and the worm of the index plate in the preferred embodiment of the present invention.

FIG. 6 is a partially enlarged view of FIG. 4 .

In order to understand the technical features and practical functions of the present invention in detail, and to realize them according to the contents of the manual, the preferred embodiment shown in the drawings will be further described in detail as follows: The present invention provides an adjustment device for a shaft transmission structure, and with the shaft drive The index plate of the adjustment device of the structure, its preferred embodiment is shown in Figure 1 to Figure 4, the index plate includes the adjustment device 10 of the shaft transmission structure, a worm 20 and a rotating seat 30, wherein the shaft The adjustment device of the transmission structure includes a base 11 and at least one adjustment assembly 12, the base 11 includes at least one coupling groove 111, and the at least one adjustment assembly 12 includes a holder 121, which is movably combined with the at least one In a combination groove 111; the worm 20 is used as a transmission shaft and is rotatably combined with the holder 121; the rotating base 30 is rotatably combined with the base 11, and the top of the rotating base 30 is a platform 31 , used to combine the workpiece and drive the workpiece to rotate. The bottom of the rotating base 30 has a worm wheel 32, the worm gear 32 is meshed with the worm 20, so that the rotating base 30 is driven to rotate when the worm 20 rotates, and the rotating base 30 The axis extension direction D1 intersects the axis extension direction D2 of the worm 20 , as shown in FIG. 3 , the two axis extension directions D1 and D2 are perpendicular to each other. The meshing structure and actuation mode of the worm 20 and the worm wheel 32 are in the prior art, so no detailed description is given here.

In a preferred embodiment of the present invention, the holder 121 of the adjustment assembly 12 of the adjustment device 10 of the shaft transmission structure moves in the coupling groove 111 to drive the worm 20 close to or away from the worm wheel 32 of the rotation base 30 .

With the above-mentioned technical features, the user only needs to adjust and move the holding seat 121 of the adjustment assembly 12 relative to the coupling groove 111 to correct the relative position of the worm 20 and the worm wheel 32 of the rotating seat 30, thereby Eliminate or improve the transmission error caused by the straightness or true roundness of the worm 20 . Therefore, the indexing plate provided by the present invention effectively improves the shortcomings of the existing indexing plate.

The adjustment method of the adjustment device 10 of the shaft transmission structure is further described as follows: Please refer to FIG. 2 to FIG. , wherein the holder 121 can be combined with a transmission shaft (such as the worm 20), and the transmission shaft can rotate relative to the holder 121, so as to drive the transmission shaft to change its position by moving in the coupling groove 111, and Without affecting the function of the transmission shaft, the holder 121 is also provided with an adjustment interface 125, two adjustment passages 126 and two sliding grooves 127, the adjustment interface 125 is located on the holder 121 away from the insertion One side of the combination groove 111, that is, the opening side of the combination groove 111, so the adjustment interface 125 can be exposed on the outer surface of the base 11; the two adjustment channels 126 are spaced apart from the adjustment The interface 125 is recessed along the axial direction of the holder 121 ; the two slide grooves 127 are recessed on the surface of the holder 121 oppositely, and communicate with one of the adjustment passages 126 respectively.

As shown in Figures 4 to 6, each of the pushing pieces 122 can linearly move in one of the corresponding sliding grooves 127, and can abut against the inner wall surface of the coupling groove 111; each of the adjusting pieces 123 can One of the corresponding adjustment channels 126 moves linearly and abuts against the corresponding push piece 122, so that the user can change the position of the two adjustment pieces 123 from the adjustment interface 125, thereby adjusting the position of the two push pieces 122. position, so that the holding seat 121 moves between the positions where the two pushing pieces 122 abut against the coupling groove 111 . In this way, the user can conveniently adjust the position of the holding seat 121 relative to the coupling groove 111 , so as to change the position of the transmission shaft (the worm 20 ).

Further, the adjustment member 123 and the adjustment passage 126 are threadedly combined, specifically, the adjustment member 123 is a bolt, and the adjustment passage 126 has a matching internal thread, so that the adjustment member 123 can rotate and move linearly along the axial direction of the holder 121 in the adjustment channel 126 . The user only needs to insert a screwdriver from the adjustment interface 125 into the adjustment passage 126 and rotate the corresponding adjustment member 123 , and the corresponding pushing member 122 can be tightened or loosened easily through the adjustment member 123 .

Still further, the pushing member 122 is a ball, and the diameter of the ball matches the inner diameter of the slide groove 127. With this technical feature, the contact area between the pushing member 122 and the coupling groove 111 The point contact can prevent the blocking of the pushing member 122 and the coupling groove 111 due to an excessively large contact area, which makes it difficult for the holding seat 121 to move. In a preferred embodiment of the present invention, the two sliding grooves 127 extend along the radial direction of the holding seat 121 and are diametrically opposite. The axis extension direction D1 is perpendicular to the axis extension direction D2 of the worm 20 , so as to adjust the worm 20 to approach or move away from the rotating base 30 .

For example, as shown in Fig. 3 and Fig. 6, when the worm screw 20 needs to be adjusted, first by turning the adjustment member 123 outwards, the pusher in the desired direction (upper as shown in Fig. 6 ) will be pushed. The contact piece 122 is loosened, so that the push piece 122 is in a state that can move in the corresponding chute 127. At this time, the holding seat 121 can move towards the desired direction, and then, turn the other adjustment piece inward 123 (adjusting part 123 below as shown in Figure 6), so as to further tighten the corresponding pushing part 122, because the holding seat 121 can move towards the desired direction at this time, so the pushing part 122 pushes against The reaction force of the inner wall surface of the coupling groove 111 can push the holding seat 121 in the opposite direction, so that the holding seat 121 is moved and positioned in the desired direction, thereby driving the worm 20 to approach the worm wheel of the rotating seat 30 32.

In a preferred embodiment of the present invention, the base 11 includes two coupling grooves 111, the adjustment device 10 of the shaft transmission structure includes two adjustment assemblies 12, and the holding seat 121 of each adjustment assembly 12 is connected to the One of the coupling grooves 111 is correspondingly coupled, and the two coupling grooves 111 are recessed on both sides of the base 11 respectively, and are opposite to each other in the axial direction, and the holding seats 121 of each adjustment assembly 12 are movably located in the corresponding coupling grooves 111 , and preferably, the moving directions of the corresponding coupling grooves 111 of the holding seats 121 of the two adjustment assemblies 12 are parallel to each other, so that the two ends of the worm 20 combined with the two holding seats 121 can approach or Being away from the rotating seat 30 better improves the adjustability of the transmission shaft (worm 20 ) combined with the adjustment device 10 of the shaft transmission structure.

In other possible forms, the transmission shaft combined with the shaft transmission structure adjustment device 10 may also only need to be adjusted through a single-end movement, so the shaft transmission structure adjustment device 10 only has one adjustment component 12, which is advantageous. problems in improving existing technologies.

Preferably, as shown in FIG. 4 and FIG. 5 , the adjustment assembly 12 includes a bearing set 129, the bearing set 129 includes at least one bearing, and the bearing set 129 is provided on the holder 121 and with the The transmission shaft (the worm 20 ) combined with the holder 121 allows the transmission shaft to maintain a good rotation function. Wherein, the number and type of bearings of the bearing set 129 can be determined or adjusted by the size and internal shape of the holder 121, for example, the bearing set 129 of the adjustment assembly 12 on the left side as shown in Figure 4 There are two thrust bearings and one radial bearing, while the bearing set 129 of the adjustment assembly 12 on the right as shown in FIG. 4 has only one radial bearing.

To sum up, through the relative movement between the adjustment assembly 12 and the base 11 of the adjustment device of the shaft transmission structure, the user can easily perform fine adjustments from the adjustment interface 125 of the holder 121 to change the adjustment. The position of the combined transmission shaft is used for precision adjustment, so the present invention effectively improves the problems of difficult adjustment of the worm screw of the existing indexing plate, high man-hours and labor costs, so as to provide an adjustment device 10 with a shaft transmission structure and the Adjust the dial of the unit.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Anyone with ordinary knowledge in the technical field can use the present invention within the scope of the technical solutions proposed in the present invention. Equivalent embodiments with partial changes or modifications made in the disclosed technical content, and without departing from the content of the technical solution of the present model, all still fall within the scope of the technical solution of the present model.

11: Base

111: combination slot

121: holding seat

122: push piece

123: Adjustment parts

125: Adjust interface

126:Adjust channel

127: Chute

129: Bearing set

20: Worm

Claims (10)

An adjustment device for a shaft transmission structure, which includes: a base including at least one coupling groove; and at least one adjustment assembly, which includes a holding seat, which is combined with the coupling groove, and the holding seat is used for connecting a transmission shaft so that the transmission shaft can rotate relative to the holding seat; the holding seat is also provided with an adjustment interface, two adjustment channels and two sliding slots, The adjustment interface is arranged on the side of the holding seat away from the insertion groove. The two adjustment channels are recessed and formed on the adjustment interface at intervals. The two slide grooves are oppositely recessed on the surface of the holding seat, and respectively correspond Connect to one of the adjustment channels; Two pushing pieces, each of which can linearly move in one of the corresponding sliding grooves, and can lean against the inner wall surface of the coupling groove; and Two adjustment pieces, each of which can move linearly in one of the corresponding adjustment channels, and abut against the corresponding push piece, so that the user can change the positions of the two adjustment pieces from the adjustment interface to adjust the The positions of the two pushing pieces enable the holder to move between the positions where the two pushing pieces abut against the combining groove. The adjustment device of the shaft transmission structure as described in Claim 1, wherein the base includes two coupling grooves, the adjustment device of the shaft transmission structure includes two adjustment components, and the holding seat of each adjustment component is connected to the A combination slot corresponds to the combination. The adjusting device of the shaft transmission structure according to claim 2, wherein the moving directions of the holding seats of the two adjusting components relative to the corresponding coupling grooves are parallel to each other. The adjusting device of the shaft transmission structure according to any one of claims 1 to 3, wherein the pushing member is a ball, and the diameter of the ball matches the inner diameter of the slide groove. The adjusting device of the shaft transmission structure according to claim 4, wherein the adjusting member and the adjusting channel are screwed together so that the adjusting member can rotate and move linearly in the adjusting channel. The adjustment device of the shaft transmission structure according to any one of claims 1 to 3, wherein the adjustment member and the adjustment channel are screwed together, so that the adjustment member can rotate and thread in the adjustment channel sexual movement. The adjustment device of the shaft transmission structure according to any one of claims 1 to 3, wherein the adjustment assembly includes a bearing set, the bearing set includes at least one bearing, and the bearing set is provided on the holder and in conjunction with The holder is combined with the transmission shaft. The adjustment device of the shaft transmission structure according to claim 5, wherein the adjustment assembly includes a bearing set, the bearing set includes at least one bearing, and the bearing set is provided on the holder and combined with the holder between the drive shafts. A kind of indexing plate, its system includes: An adjustment device for a shaft transmission structure as described in any one of Claims 1 to 8; A worm, which is used as a transmission shaft and is rotatably coupled to the holder of the adjustment device of the shaft transmission structure; and A rotating seat is rotatably combined with the base of the adjustment device of the shaft transmission structure. When the worm rotates, it drives the rotating seat to rotate, and the axis extending direction of the rotating seat intersects the axis extending direction of the worm. The indexing plate according to claim 9, wherein the holding seat of the adjustment device of the shaft transmission structure moves in the coupling groove, and drives the worm to approach or move away from the rotating seat.

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