CN210125962U - Combined tool - Google Patents

Abstract

The utility model discloses a combination tool, including actuating mechanism and output shaft, actuating mechanism connect in the output shaft is used for the drive the output shaft is rotatory, combination tool still includes sanding mechanism and chamfer mechanism, sanding mechanism with chamfer mechanism connect respectively in the both ends of output shaft. Set up sanding mechanism and chamfer mechanism respectively at the both ends of output shaft, realize having grinding function and chamfer function simultaneously, can be on same instrument fast switch over required function, improved the utilization ratio of combination tool, save the cost.

Description

Combined tool

Technical Field

The utility model relates to a combination tool.

Background

At present, the existing tool in the market is generally an angle grinder which grinds or cuts the outer part of a workpiece by a grinding wheel sheet or a cutting sheet matched with a working end, or a chamfering machine which performs chamfering work on an inner hole or an outer circle by a chamfering working head or a fillet working head matched with the working end. Both tools have only a single grinding or chamfering function. In many work places, a tool having both a grinding function and a chamfering function is required, and thus, two kinds of tools, namely an angle grinder and a chamfering machine, are required. This has the disadvantage that the tool change is relatively complicated and time consuming, and that the simultaneous provision of both tools is also costly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that can only carry out single grinding or can only carry out the chamfer in order to overcome the instrument among the prior art, under the condition that needs can grinding or chamfer simultaneously, be equipped with angle grinder and beveler defect not only troublesome, waste time but also incremental cost etc. simultaneously, provide a combination tool.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides a combination tool, includes actuating mechanism and output shaft, actuating mechanism connect in the output shaft is used for the drive the output shaft is rotatory, its characterized in that, combination tool still includes sanding mechanism and chamfer mechanism, sanding mechanism with chamfer mechanism connect respectively in the both ends of output shaft.

In this scheme, adopt above-mentioned structural style, set up sanding mechanism and chamfer mechanism simultaneously at the both ends of output shaft, realize having grinding function and chamfer function simultaneously, can be on same instrument the required function of fast switch-over, improved combination tool's utilization ratio, save the cost.

Preferably, the combination tool further comprises a shield and a gear box, the output shaft passes through the gear box and is exposed out of the gear box, the chamfering mechanism and the sanding mechanism are located outside the gear box and are connected to two ends of the output shaft, the driving mechanism is connected to the gear box, one end of the shield is connected to the gear box, the other end of the shield is connected to the driving mechanism, the shield, the gear box and the driving mechanism form a protection cavity, the sanding mechanism is located in the protection cavity, or the chamfering mechanism is located in the protection cavity.

In this scheme, adopt above-mentioned structural style, set up the guard shield and protect when being convenient for the operation, be in the operating condition when sanding mechanism, with the guard shield setting in chamfer mechanism one end, also be located the protection intracavity promptly in chamfer mechanism, prevent that chamfer mechanism from causing the injury to operating personnel, otherwise, be in the operating condition when chamfer mechanism, set up the guard shield in sanding mechanism one end, prevent that sanding mechanism from causing the injury to operating personnel.

Preferably, the number of the output shafts is one, a gear is arranged on the outer peripheral surface of each output shaft, the driving mechanism comprises a driving motor, a driving wheel is arranged on a transmission shaft of the driving motor, and the driving wheel is meshed with the gear.

In this scheme, adopt above-mentioned structural style, the quantity of output shaft is one, also is that to set up sanding mechanism and chamfer mechanism on same output shaft, forms the sanding/chamfer machine of integral type. When the driving wheel on the driving motor drives the output shaft to rotate, the sanding mechanism and the chamfering mechanism rotate simultaneously.

Preferably, the number of the gears is two, and the two gears are arranged at intervals, are respectively positioned at two ends of the driving wheel and are meshed with the driving wheel.

In this scheme, adopt above-mentioned structural style, set up the gear simultaneously at the both ends of action wheel, can reduce because the vibration that the atress inequality arouses for the transmission is more steady, so that chamfer or grinding quality are higher.

Preferably, the output shaft comprises a first output shaft and a second output shaft, the end of the first output shaft is connected with the chamfering mechanism, the end of the second output shaft is connected with the sanding mechanism, and the driving mechanism is connected to the first output shaft and used for driving the first output shaft to rotate;

and/or the driving mechanism is connected to the second output shaft and is used for driving the second output shaft to rotate.

In this scheme, adopt above-mentioned structural style, with sanding mechanism and chamfer mechanism setting on two output shafts, also be split type sanding/beveler, this kind of setting is more nimble, and chamfer mechanism and sanding mechanism can rotate simultaneously, also can be in the stall state when chamfer mechanism operation, perhaps chamfer mechanism is in the stall state during sanding mechanism operation.

Preferably, the driving mechanism comprises a driving motor, a driving wheel is arranged on a transmission shaft of the driving motor, a first gear is arranged on the first output shaft and is meshed with the driving wheel, a second gear is arranged on the second output shaft and is meshed with the driving wheel, the combination tool further comprises an adjusting mechanism,

the adjusting mechanism can abut against the first gear and drive the first gear to move in a direction away from the driving wheel, so that the first gear is separated from the driving wheel;

the adjusting mechanism can abut against the second gear and drive the second gear to move in the direction away from the driving wheel, so that the second gear is separated from the driving wheel.

In this scheme, adopt above-mentioned structural style, set up first gear and second gear respectively at the both ends of first output shaft and second output shaft, the first gear of being convenient for and second gear drive first output shaft and second output shaft rotation under the drive power of action wheel. The adjusting mechanism can separate the first gear and the second gear from the driving wheel, so that the second output shaft stops rotating when the first output shaft rotates, and the first output shaft stops rotating when the second output shaft rotates.

Preferably, the adjusting mechanism includes a knob and a shift lever, and the shift lever is connected to the knob and can rotate along with the knob, so that the shift lever abuts against the first gear or the second gear.

In this scheme, adopt above-mentioned structural style, the driving lever is connected on the knob, supports the driving lever in first gear or second gear through rotatory knob, just also will switch between first gear and second gear with the gear of action wheel meshing, and second output shaft stall when realizing first output shaft rotation, first output shaft stall when the second output shaft is rotatory.

Preferably, the combination tool further comprises:

one side of the first gear is meshed with the driving wheel, and the first pressure spring abuts against the other side of the first gear;

and one side of the second gear is meshed with the driving wheel, and the second pressure spring is abutted against the other side of the second gear.

In this scheme, adopt above-mentioned structural style, when adjustment mechanism switched chamfer mechanism and sanding mechanism's needs operation one end, under the restoring force of first pressure spring or second pressure spring, be convenient for first gear or second gear and action wheel meshing.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in: the utility model discloses a combination tool sets up sanding mechanism and chamfer mechanism respectively at the both ends of output shaft, realizes having grinding function and chamfer function simultaneously, can be on same instrument the required function of fast switch-over, has improved combination tool's utilization ratio, saves the cost.

Drawings

Fig. 1 is a schematic structural diagram of a combination tool according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of a combination tool according to embodiment 2 of the present invention.

Fig. 3 is a schematic structural view of a combination tool according to embodiment 2 of the present invention in another direction.

Fig. 4 is a schematic structural diagram of an adjusting mechanism according to embodiment 2 of the present invention.

Description of reference numerals:

sanding mechanism 1

Grinding wheel 11

Pressure plate I12

Pressing plate II 13

Grinding wheel cover 14

Chamfering mechanism 2

Chamfering working head 21

Drive mechanism 3

Transmission shaft 31

Drive wheel 32

Outer casing 33

Output shaft 4

First gear 41

Second gear 42

First output shaft 43

Second output shaft 44

Clamp spring 45

Bearing one 46

Bearing two 47

Needle roller bearing 48

Adjusting mechanism 5

Spring 51

Push button 52

Driving lever 53

Knob 54

Cover 6

Hoop 61

Gear box 7

First pressure spring 8

Second pressure spring 9

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1, the utility model discloses combination tool, including actuating mechanism 3 and output shaft 4, actuating mechanism 3 connects in output shaft 4 and is used for driving output shaft 4 rotatory, and combination tool still includes sanding mechanism 1 and chamfer mechanism 2, and sanding mechanism 1 and chamfer mechanism 2 are connected respectively in the both ends of output shaft 4.

Set up sanding mechanism 1 and chamfer mechanism 2 simultaneously at the both ends of output shaft 4, realize having grinding function and chamfer function simultaneously, can be on same instrument fast switch over required function, improved the utilization ratio of combination tool, save the cost.

The combined tool further comprises a protective cover 6 and a gear box 7, the output shaft 4 penetrates through the gear box 7 and is exposed out of the gear box 7, the chamfering mechanism 2 and the sanding mechanism 1 are located outside the gear box 7 and are connected to two ends of the output shaft 4, the driving mechanism 3 is connected to the gear box 7, one end of the protective cover 6 is connected to the gear box 7, the other end of the protective cover 6 is connected to the driving mechanism 3, the protective cover 6, the gear box 7 and the driving mechanism 3 form a protective cavity, and the sanding mechanism 1 is located in the protective cavity or the chamfering mechanism 2 is located in the protective.

The number of the output shafts 4 is one, the peripheral surface of each output shaft 4 is provided with a gear, the driving mechanism 3 comprises a driving motor, a transmission shaft 31 of the driving motor is provided with a driving wheel 32, and the driving wheel 32 is meshed with the gear.

In the present embodiment, as shown in fig. 1, a screw hole is provided on the outer periphery of the gear case 7, and one end of the shroud is screwed to the gear case 7 through the screw hole. The other end of the protective cover 6 is welded with an anchor ear 61, a small notch is arranged on the anchor ear 61, a convex part is arranged on the shell 33 of the driving mechanism 3, and the small notch on the anchor ear 61 is clamped with the convex part on the shell 33. This forms a shielded cavity between the shield 6, the gearbox 7 and the drive mechanism 3.

Protecting cover 6 protects when being convenient for the operation, is in the operating condition when sanding mechanism 1, sets up protecting cover 6 in 2 one ends of chamfer mechanism, and chamfer mechanism 2 is located the protection intracavity promptly, prevents that chamfer mechanism 2 from causing the injury to operating personnel, otherwise, is in the operating condition when chamfer mechanism 2, sets up protecting cover 6 in 1 one end of sanding mechanism, prevents that sanding mechanism 1 from causing the injury to operating personnel.

In the embodiment, at the end of the chamfering mechanism 2, the output shaft 4 is fixed with the gear box 7 through a bearing I46, and the chamfering working head 21 on the chamfering mechanism 2 is in threaded connection with the output shaft 4. At the end of the sanding mechanism 1, the output shaft 4 is fixed with the gear box 7 through a second bearing 47, the grinding wheel 11 or the cutting piece on the sanding mechanism 1 is fixed on the output shaft 4 through a first pressing plate 12 and a second pressing plate 13, and a grinding wheel cover 14 is further arranged on the periphery of the grinding wheel 11 or the cutting piece to prevent the grinding wheel 11 or the cutting piece rotating in the operation process from hurting an operator.

The number of the gears is two, and the two gears are arranged at intervals, are respectively positioned at two ends of the driving wheel 32 and are meshed with the driving wheel 32.

In the present embodiment, the two gears are connected to the output shaft 4 by a woodruff key. A circlip 45 is provided on one side of the two gears to limit the movement of the gears in the axial direction. The gears are arranged at the two ends of the driving wheel simultaneously, so that vibration caused by uneven stress can be reduced, transmission is more stable, and chamfering or grinding quality is higher.

In the present embodiment, the number of the output shafts 4 is one, that is, the sanding mechanism 1 and the chamfering mechanism 2 are arranged on the same output shaft 4, so as to form an integrated sanding/chamfering machine. When the driving wheel 32 on the driving motor 3 drives the output shaft 4 to rotate, the sanding mechanism 1 and the chamfering mechanism 2 rotate simultaneously. When the chamfering mechanism 2 is required to work, the grinding wheel 11 or the cutting wheel and the grinding wheel cover 14 on the sanding mechanism 1 are detached, and the protective cover 6 is arranged at one end of the sanding mechanism 1, so that the operator is prevented from being hurt by unexpected operation. Similarly, when the sanding mechanism 1 is required to operate, the guard 6 is mounted at one end of the chamfering mechanism 2 for protection.

Example 2

As shown in fig. 2 to 4, the present embodiment is substantially the same as embodiment 1, except that: the output shaft 4 comprises a first output shaft 43 and a second output shaft 44, the end part of the first output shaft 43 is connected with the chamfering mechanism 2, the end part of the second output shaft 44 is connected with the sanding mechanism 1, and the driving mechanism 3 is connected to the first output shaft 43 and is used for driving the first output shaft 43 to rotate; and/or the drive mechanism 3 is connected to the second output shaft 44 and is used to drive the second output shaft 44 in rotation.

It should be noted that the number and relative positions of the first output shaft 43 and the second output shaft 44 are not limited, and the first output shaft 43 and the second output shaft 44 may be on the same straight line, or may be parallel to each other, or the first output shaft 43 and the second output shaft 44 may be disposed at a certain angle.

In the present embodiment, the number of the first output shaft 43 and the second output shaft 44 is 1 each, and the first output shaft 43 and the second output shaft 44 are on the same straight line. With sanding mechanism 1 and chamfer mechanism 2 setting on two output shafts 4, also be split type sanding/beveler, this kind of setting is more nimble, and chamfer mechanism 2 and sanding mechanism 1 can rotate simultaneously, also can be in the stall state by sanding mechanism 1 when chamfering mechanism 2 operation, perhaps, chamfer mechanism 2 is in the stall state during sanding mechanism 1 operation.

The driving mechanism 3 comprises a driving motor, a driving wheel 32 is arranged on a transmission shaft 31 of the driving motor, a first gear 41 is arranged on a first output shaft 43, the first gear 41 is meshed with the driving wheel 32, a second gear 42 is arranged on a second output shaft 44, the second gear 42 is meshed with the driving wheel 32, the combined tool further comprises an adjusting mechanism 5, and the adjusting mechanism 5 can be abutted against the first gear 41 and drives the first gear 41 to move along the direction far away from the driving wheel 32 so as to separate the first gear 41 from the driving wheel 32; the adjusting mechanism 5 can abut against the second gear 42 and drive the second gear 42 to move in a direction away from the driving wheel 32, so that the second gear 42 is separated from the driving wheel 32.

The first gear 41 and the second gear 42 are respectively arranged at two ends of the first output shaft 43 and the second output shaft 44, so that the first gear 41 and the second gear 42 drive the first output shaft 41 and the second output shaft 42 to rotate under the driving force of the driving wheel 32. The adjusting mechanism 5 can separate the first gear 41 and the second gear 42 from the driving wheel 32, so that the second output shaft 44 stops rotating when the first output shaft 43 rotates, and the first output shaft 43 stops rotating when the second output shaft 44 rotates.

The adjusting mechanism 5 includes a knob 54 and a lever 53, and the lever 53 is connected to the knob 54 and can rotate along with the knob 54, so that the lever 53 abuts against the first gear 41 or the second gear 42.

The shift lever 53 is connected to the knob 54, and by rotating the knob 54 to abut the shift lever 53 against the first gear 41 or the second gear 42, that is, to switch the gear engaged with the driving wheel 32 between the first gear 41 and the second gear 42, the rotation of the first output shaft 43 is stopped while the second output shaft 44 is rotated, and the rotation of the first output shaft 43 is stopped while the second output shaft 44 is rotated.

The combination tool in this embodiment further comprises: one side of the first gear 41 is meshed with the driving wheel 32, and the first pressure spring 8 abuts against the other side of the first gear 41; one side of the second gear 42 is meshed with the driving wheel 32, and the second pressure spring 9 abuts against the other side of the second gear 42.

In the present embodiment, one end of the first pressure spring 8 abuts against one side of the first gear 41, the other end abuts against one end of the first bearing 46, the first output shaft 43 is connected with the gear box 7 through the first bearing 46, and the inner ring of the first bearing 46 can move axially relative to the outer ring, that is, the first output shaft 43 can move axially relative to the gear box 7. One end of the second pressure spring 9 abuts against one side of the second gear 42, the other end abuts against one end of the second bearing 47, the second output shaft 44 is connected with the gear box 7 through the second bearing 47, the inner ring of the second bearing 47 can move axially relative to the outer ring, that is, the second output shaft 44 can move axially relative to the gear box 7. In the present embodiment, a needle bearing 48 is connected between the first output shaft 43 and the second output shaft 44, and an inner race of the needle bearing 48 is axially movable to enable the first output shaft 43 and the second output shaft 44 to move in a direction toward or away from the driver 32. The inner races of the needle bearings 48 that mate with the first and second output shafts 43, 44 are split to enable the first and second output shafts 43, 44 to rotate simultaneously or one output shaft to rotate the other without rotation.

In the present embodiment, a knob 54 of the adjusting mechanism 5 is provided with a button 52, as shown in fig. 4, an end surface of the knob 54 is provided with the button 52, a spring 51 is installed between the button 52 and the knob 54, and the button 52 can pass through the knob 54 to be clamped with the gear box 7. The knob 54 is connected with a shifting lever 53, the button 52 is pressed, the button 52 is separated from the gear box 7, the knob 54 can rotate at the moment, the shifting lever 53 rotates along with the knob 54, and the shifting lever 53 can switch the working states of the chamfering mechanism 2 and the sanding mechanism 1 along with the rotation of the knob 54.

When the chamfering mechanism 2 needs to work, the button 52 is pressed, the button 52 is separated from the gear box 7, then the knob 54 is rotated clockwise, the shift lever 53 abuts against the second gear 42, the second gear 42 and the second output shaft 44 move along the direction far away from the driving wheel 32, the second pressure spring 9 is in a compressed state, the second gear 42 is separated from the driving wheel 32, at the moment, under the restoring force of the first pressure spring 8, the first gear 41 and the first output shaft 43 move along the direction close to the driving wheel 32, the first gear 41 is meshed with the driving wheel 32, and the driving wheel 32 can drive the first gear 41 to rotate, so that the rotation of the first output shaft 43 is realized. When the push button is pushed again, the push button 52 engages with the gear case 7 by the restoring force of the spring 51, and the knob 54 is locked and cannot rotate. Similarly, when the sanding mechanism 1 is required to work, the rotation direction of the knob 54 is counterclockwise.

In the present embodiment, when the adjusting mechanism 5 switches between the chamfering mechanism 2 and the end of the sanding mechanism 1 that requires work, the first gear 41 or the second gear 42 is engaged with the driving wheel 32 under the restoring force of the first or second pressure spring.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (8)

1. The utility model provides a combination tool, includes actuating mechanism and output shaft, actuating mechanism connect in the output shaft is used for the drive the output shaft is rotatory, a serial communication port, combination tool still includes sanding mechanism and chamfer mechanism, sanding mechanism with chamfer mechanism connect respectively in the both ends of output shaft.

2. The combination tool of claim 1, further comprising a shroud and a gear housing, wherein the output shaft passes through the gear housing and is exposed from the gear housing, wherein the chamfering mechanism and the sanding mechanism are located outside the gear housing and are connected to opposite ends of the output shaft, wherein the drive mechanism is connected to the gear housing, wherein one end of the shroud is connected to the gear housing, wherein the other end of the shroud is connected to the drive mechanism, wherein the shroud, the gear housing and the drive mechanism form a protective cavity, wherein the sanding mechanism is located in the protective cavity, or wherein the chamfering mechanism is located in the protective cavity.

3. The combination tool according to claim 1 or 2, wherein the number of the output shafts is one, a gear is provided on an outer peripheral surface of the output shaft, the driving mechanism includes a driving motor, a driving wheel is provided on a transmission shaft of the driving motor, and the driving wheel is engaged with the gear.

4. The combination tool according to claim 3, wherein the number of the gears is two, and the two gears are spaced apart from each other and are respectively located at two ends of the driving wheel and are engaged with the driving wheel.

5. The combination tool of claim 1 or 2, wherein the output shaft comprises a first output shaft and a second output shaft, an end of the first output shaft being connected to the chamfering mechanism and an end of the second output shaft being connected to the sanding mechanism, the drive mechanism being connected to the first output shaft and being adapted to drive the first output shaft in rotation;

and/or the driving mechanism is connected to the second output shaft and is used for driving the second output shaft to rotate.

6. The combination of claim 5, wherein said drive mechanism comprises a drive motor, a drive shaft of said drive motor having a drive wheel, said first output shaft having a first gear thereon, said first gear being in meshing engagement with said drive wheel, said second output shaft having a second gear thereon, said second gear being in meshing engagement with said drive wheel, said combination further comprising an adjustment mechanism,

the adjusting mechanism can abut against the first gear and drive the first gear to move in a direction away from the driving wheel, so that the first gear is separated from the driving wheel;

the adjusting mechanism can abut against the second gear and drive the second gear to move in the direction away from the driving wheel, so that the second gear is separated from the driving wheel.

7. The combination tool of claim 6, wherein the adjustment mechanism includes a knob and a lever, the lever being coupled to the knob and rotatable with the knob to cause the lever to abut the first gear or the second gear.

8. The cluster tool of claim 6, wherein the cluster tool further comprises:

one side of the first gear is meshed with the driving wheel, and the first pressure spring abuts against the other side of the first gear;

and one side of the second gear is meshed with the driving wheel, and the second pressure spring is abutted against the other side of the second gear.

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