CN116061061A

CN116061061A - Multifunctional angle grinder

Info

Publication number: CN116061061A
Application number: CN202310092320.3A
Authority: CN
Inventors: 成东升
Original assignee: Yongkang Leichuang Industry And Trade Co ltd
Current assignee: Yongkang Leichuang Industry And Trade Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-05-05

Abstract

The invention discloses a multifunctional angle grinder, which comprises: a power mechanism; the transmission unit at least comprises a transmission shaft, and the transmission shaft is driven by the power mechanism to rotate; the driving unit is connected with the transmission shaft and at least comprises an eccentric wheel; the shearing unit comprises a shell connected with the transmission unit, an upper shearing part and a lower shearing part, wherein the lower shearing part is detachably connected with the shell through a connecting shaft, the upper shearing part is matched with the eccentric wheel, and the upper shearing part is driven to move to realize shearing with the lower shearing part when the eccentric wheel rotates. The power mechanism is matched and connected with the transmission shaft, the transmission shaft can be matched and connected with the driving unit and the shearing unit, the shearing action is realized by utilizing the upper shearing piece and the lower shearing piece, the transmission shaft can also be matched and connected with the traditional grinding disc, and the grinding disc is utilized to realize cutting and grinding, so that the angle grinder has multiple functions, the power mechanism is fully utilized, and the angle grinder is flexible and convenient to use; the transmission structure is simple and effective, the overall layout is reasonable, and the operation is carried out by the hand of a user conveniently.

Description

Multifunctional angle grinder

Technical Field

The invention belongs to the technical field of angle grinders, and particularly relates to a multifunctional angle grinder.

Background

The angle grinder is used for cutting and polishing, the grinding disc is assembled on the transmission shaft, the thin steel plate and the like are cut by the grinding disc, the function is relatively single, the power mechanism can only drive the grinding disc to rotate to realize cutting or polishing, the cutting direction by the grinding disc is not easy to control, the cutting trace is irregular, and the power mechanism is not fully utilized. Therefore, the conventional power mechanism of the angle grinder needs to be utilized to realize the cutting operation with regular trace, so that the power mechanism of the angle grinder is more fully utilized.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the multifunctional angle grinder which fully utilizes the power mechanism of the angle grinder, not only can realize rotary cutting of the grinding disc, but also can realize regular cutting of marks by utilizing the cutting unit, has more abundant functions and is convenient to use.

The technical scheme adopted for solving the technical problems is as follows: a multi-function angle grinder, comprising:

a power mechanism;

the transmission unit at least comprises a transmission shaft, and the transmission shaft is driven by the power mechanism to rotate;

the driving unit is connected with the transmission shaft and at least comprises an eccentric wheel;

the shearing unit comprises a shell connected with the transmission unit, an upper shearing part and a lower shearing part, wherein the lower shearing part is detachably connected with the shell through a connecting shaft, the upper shearing part is matched with the eccentric wheel, and the upper shearing part is driven to move to realize shearing with the lower shearing part when the eccentric wheel rotates.

The power mechanism is connected with the transmission shaft in a matched manner, the transmission shaft can be connected with the driving unit and the shearing unit in a matched manner, the shearing action is realized by utilizing the upper shearing piece and the lower shearing piece, the transmission shaft can also be connected with the traditional grinding disc in a matched manner, and the grinding disc is utilized for realizing cutting and grinding, so that the angle grinder has multiple functions, the power mechanism is fully utilized, and the angle grinder is flexible and convenient to use.

Further, the driving unit comprises a first gear connected with the transmission shaft, a second gear meshed with the first gear, and a shaft body concentric and coaxial with the second gear, and the eccentric wheel is eccentrically connected with the shaft body. The power mechanism can adapt to the moving frequency of the shearing unit by using the transmission fit of the first gear and the second gear, so that the use is more convenient; the eccentric wheel has a simple structure, and is more stable and accurate in driving action of the upper shearing part.

Further, the end part of the transmission shaft is provided with a rotation stopping convex part, the driving unit comprises an adapter connected with the rotation stopping convex part in a rotation stopping fit manner, and the first gear is connected with the adapter and is connected with the shell in a fit manner through a bearing. The setting of the anti-rotation convex part ensures that the transmission shaft and the first gear can synchronously rotate, the power output efficiency is high, the transmission structure is simple, and the assembly is convenient.

Further, the first gear and the second gear have an outer diameter ratio of 1:4-10. The outer diameter ratio of the first gear and the second gear ensures that the second gear outputs proper rotation speed, so that the eccentric wheel can drive the movable frequency of the upper shearing piece to adapt to the material, and stable clamping and shearing of the material between the upper shearing piece and the lower shearing piece are ensured.

Further, the upper shearing piece forms a notch part, the eccentric wheel is clamped into the notch part, the lower shearing piece is connected with the shell, and the upper shearing piece is rotationally connected with the lower shearing piece. The eccentric wheel and the upper shearing part are matched with a simple structure, the eccentric rotation of the eccentric wheel can drive the upper shearing part to swing upwards in real time, the shearing is more stable, and the assembly is convenient.

Further, the casing includes first concatenation body, second concatenation body, and third concatenation body, first concatenation body is including the first arc portion that can be connected with the drive unit cooperation, and the first plate body that links to each other with first arc portion, the second concatenation body is including the second arc portion that can be connected with the drive unit cooperation, and the second plate body that links to each other with second arc portion, the third concatenation body include can with the third arc portion of first arc portion and second arc portion concatenation, first plate body and second plate body concatenation form the cavity that is used for holding the drive unit. The shell is divided into a first splicing body, a second splicing body and a third splicing body, and the first arc-shaped part, the second arc-shaped part and the third arc-shaped part are spliced and then are matched with the structure of the power mechanism, so that the assembly is simpler and more convenient; the first plate body and the second plate body are spliced to form a flat cavity, the driving unit can be arranged in the cavity, the transmission structure is simple and effective, the overall layout is reasonable, and the operation is carried out by holding the driving unit by a user.

Further, the first arc-shaped portion and the second arc-shaped portion form hollowed-out portions. The hollow part can lighten the whole weight and is convenient to hold.

Further, the first arc-shaped part, the second arc-shaped part and the third arc-shaped part are spliced to form a circle. The fluted disc of power unit is circular, and first arc portion, second arc portion and third arc portion amalgamation form circular structure that can adapt the fluted disc, and three mosaic structure is firm simultaneously, can form great space, is convenient for stop the assembly of changeing protruding portion, drive unit etc..

Further, a mounting cavity for embedding a nut is formed in the shell, a handle is connected to the top of the shell, and the bottom end of the handle is in threaded connection with the nut. When first plate body and second plate body amalgamation are connected, just place the nut in the installation intracavity, through the bottom and the nut threaded connection of handle, make things convenient for the dismouting of handle, need not to open the casing just can accomplish the installation.

Further, the power mechanism comprises a rotor, a stator, a fixed supporting piece, a cooling fan, helical teeth and a fluted disc capable of being meshed with the helical teeth, and the transmission shaft is concentrically and coaxially connected with the fluted disc. The power mechanism uses the existing structure of the angle grinder, expands the use function of the angle grinder, and has wider application.

The beneficial effects of the invention are as follows: the power mechanism is connected with the transmission shaft in a matched manner, the transmission shaft can be connected with the driving unit and the shearing unit in a matched manner, the shearing action is realized by utilizing the upper shearing piece and the lower shearing piece, the transmission shaft can also be connected with the traditional grinding disc in a matched manner, and the grinding disc is utilized to realize cutting and grinding, so that the angle grinder has multiple functions, the power mechanism is fully utilized, and the angle grinder is flexible and convenient to use; the transmission structure is simple and effective, the overall layout is reasonable, and the operation is carried out by the hand of a user conveniently.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 is a schematic perspective view of a portion of the present invention.

Fig. 5 is a schematic partial perspective view of a second embodiment of the present invention.

Fig. 6 is a schematic view of a portion of a three-dimensional structure of the present invention.

Fig. 7 is a schematic view showing a partial perspective structure of the present invention.

Wherein 1-power mechanism, 11-rotor, 12-stator, 13-fixed support, 14-radiator fan, 15-skewed tooth, 16-fluted disc, 2-transmission unit, 21-transmission shaft, 211-rotation stopping protrusion, 3-driving unit, 31-eccentric wheel, 32-first gear, 33-second gear, 34-shaft body, 35-adapter, 36-bearing, 4-shearing unit, 40-housing, 401-first splice, 402-second splice, 403-third splice, 404-first arc part, 405-first plate, 406-second arc part, 407-second plate, 408-third arc part, 41-upper shearing member, 411-notch part, 42-lower shearing member, 43-cavity, 44-hollow part, 45-nut, 46-mounting cavity, 47-handle,

Detailed Description

In order to make the present invention better understood by those skilled in the art, the following description of the technical solutions of the present invention will be made in detail, but not all embodiments of the present invention are apparent to some embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

As shown in fig. 1 to 7, a multifunctional angle grinder includes a power mechanism 1, a transmission unit 2, a driving unit 3, and a shearing unit 4. The transmission unit 2 at least comprises a transmission shaft 21, and the transmission shaft 21 is driven by the power mechanism 1 to circumferentially rotate around the axis of the transmission shaft. The drive unit 3 is connected to the drive shaft 21 described above, which comprises at least an eccentric 31. The shearing unit 4 comprises a housing 40 connected with the transmission unit 2, an upper shearing member 41 and a lower shearing member 42, wherein the upper shearing member 41 is matched with the eccentric wheel 31, and when the eccentric wheel 31 rotates, the upper shearing member 41 can be driven to move so as to realize shearing action in cooperation with the lower shearing member 42.

As shown in fig. 3, the housing 40 includes a first joint body 401, a second joint body 402, and a third joint body 403, and the first joint body 401 includes a first arc-shaped portion 404 that can be cooperatively connected with the driving unit 3, and a first plate body 405 connected with the first arc-shaped portion 404; the second splicing body 402 comprises a second arc-shaped part 406 which can be matched and connected with the driving unit 3, and a second plate body 407 connected with the second arc-shaped part 406; the third splice body 403 includes a third arcuate portion 408 that can be spliced with the first arcuate portion 404 and the second arcuate portion 406. The first plate 405 and the second plate 407 are spliced to form a cavity 43 for accommodating the driving unit 3. The first arc portion 404, the second arc portion 406, and the third arc portion 408 are spliced to form a circle.

As shown in fig. 6 and 7, the driving unit 3 includes a first gear 32 connected to the transmission shaft 21, a second gear 33 engaged with the first gear 32, and a shaft body 34 concentric with the second gear 33, and the eccentric wheel 31 is eccentrically coupled to the shaft body 34. One end of the transmission shaft 21 is provided with a rotation stopping protruding portion 211, the driving unit 3 further comprises an adapter 35 in rotation stopping fit connection with the rotation stopping protruding portion 211, the first gear 32 is connected with the adapter 35, and then connected with the transmission shaft 21 through the adapter 35, and the first gear 32 can rotate under the driving of the transmission shaft 21. In order to ensure smooth rotation of the first gear 32, bearings 36 are mounted on both sides of the first gear 32, and the bearings 36 are coupled to the housing 40 in a mating manner.

Similarly, bearings are disposed on both sides of the second gear 33, and the bearings are cooperatively connected with the housing 40, so as to ensure smooth rotation of the second gear 33. The outer diameter of the first gear 32 is smaller than the outer diameter of the second gear 33, and in particular, the outer diameter ratio of the first gear 32 and the second gear 33 may be 1:4-10. Thus, under the normal output power of the transmission shaft 21, the upper shearing member 41 can normally move to realize the shearing action through the cooperation of the first gear 32 and the second gear 33.

More specifically, the upper shearing member 41 forms a notch 411, the eccentric wheel 31 is clamped into the notch 411, meanwhile, the lower shearing member 42 is connected with the shell 40 through the connecting shaft 421, the upper shearing member 41 is detachably connected with the lower shearing member 42 through the connecting shaft 421, the connecting angle of the lower shearing member 42 with the shell 40 can be adjusted through the connecting shaft 421, and then the expandable angle between the upper shearing member 41 and the lower shearing member 42 can be adjusted to adapt to shearing plates with different thicknesses. In this embodiment, the lower shearing member 42 is detachably connected to the second plate 407 of the housing 40, so that replacement is facilitated.

As shown in fig. 7, the power mechanism 1 includes a rotor 11, a stator 12, a fixed support 13, a cooling fan 14, helical teeth 15, and a toothed disc 16 that can be meshed with the helical teeth 15, where the rotor 11 and the stator 12 are implemented in the prior art of an angle grinder, and are not described in detail. The toothed disc 16 is concentrically and coaxially connected to the transmission shaft 21, and the toothed disc 16 is circular, and the side of the toothed disc 16, on which no teeth are provided, is also circular, so that the first arc-shaped portion 404, the second arc-shaped portion 406, and the third arc-shaped portion 408 are spliced on the side of the toothed disc 16, on which no teeth are provided. To reduce the overall weight and also to facilitate maintenance, the first arcuate portion 404 and the second arcuate portion 406 each form a hollowed-out portion 44.

Referring to the direction shown in fig. 4 for illustration, the power mechanism 1 extends in the vertical direction, which may be an existing power mechanism on an angle grinder, the transmission shaft 21 of the transmission unit 2 extends in the horizontal direction, the housing 40 is flat, and is connected to the transmission shaft 21, so that the whole design layout is reasonable, and the use is convenient.

For convenient holding and use, a handle 47 is provided at the top of the housing 40, specifically, as shown in fig. 6, a mounting cavity 46 for embedding the nut 45 is provided in the housing 40, and when the first plate 405 and the second plate 407 are spliced, the nut 45 is placed in the mounting cavity 46. The outer diameter of the bottom end of the handle 47 is reduced and provided with external threads, and the bottom end of the handle 47 is in threaded connection with the nut 45, so that the handle 47 is convenient to disassemble and assemble, and the shell 40 can be installed without being opened.

When the material needs to be cut regularly, the transmission shaft 21 is assembled and connected with the driving unit 3 and the shearing unit 4, and when the traditional cutting and polishing are needed, the transmission shaft 21 is connected with the grinding disc, so that the power mechanism 1 is utilized more fully, and the use function of the angle grinder is expanded.

The foregoing detailed description is provided to illustrate the present invention and not to limit the invention, and any modifications and changes made to the present invention within the spirit of the present invention and the scope of the appended claims fall within the scope of the present invention.

Claims

1. A multi-function angle grinder, comprising:

a power mechanism (1);

the transmission unit (2) at least comprises a transmission shaft (21), and the transmission shaft (21) is driven by the power mechanism (1) to rotate;

the driving unit (3) is connected with the transmission shaft (21) and at least comprises an eccentric wheel (31);

the shearing unit (4) comprises a shell (40) connected with the transmission unit (2), an upper shearing part (41) and a lower shearing part (42), wherein the lower shearing part (42) is detachably connected with the shell (40) through a connecting shaft (421), the upper shearing part (41) is matched with the eccentric wheel (31), and when the eccentric wheel (31) rotates, the upper shearing part (41) is driven to move so as to realize shearing with the lower shearing part (42).

2. The multi-function angle grinder of claim 1, wherein: the driving unit (3) comprises a first gear (32) connected with the transmission shaft (21), a second gear (33) meshed with the first gear (32), and a shaft body (34) concentric and coaxial with the second gear (33), and the eccentric wheel (31) is eccentrically connected with the shaft body (34).

3. The multi-function angle grinder of claim 2, wherein: the end part of the transmission shaft (21) is provided with a rotation stopping convex part (211), the driving unit (3) comprises an adapter (35) which is connected with the rotation stopping convex part (211) in a rotation stopping fit mode, and the first gear (32) is connected with the adapter (35) and is connected with the shell (40) in a fit mode through a bearing (36).

4. The multi-function angle grinder of claim 2, wherein: the ratio of the outer diameters of the first gear (32) and the second gear (33) is 1:4-10.

5. The multifunctional angle grinder according to claim 1 or 2, characterized in that: the upper shearing piece (41) forms a notch part (411), the eccentric wheel (31) is clamped into the notch part (411), the lower shearing piece (42) is connected with the shell (40), and the upper shearing piece (41) is rotationally connected with the lower shearing piece (42).

6. The multi-function angle grinder of claim 1, wherein: the shell (40) comprises a first splicing body (401), a second splicing body (402) and a third splicing body (403), the first splicing body (401) comprises a first arc-shaped portion (404) which can be matched and connected with the driving unit (3), and a first plate body (405) connected with the first arc-shaped portion (404), the second splicing body (402) comprises a second arc-shaped portion (406) which can be matched and connected with the driving unit (3), and a second plate body (407) connected with the second arc-shaped portion (406), the third splicing body (403) comprises a third arc-shaped portion (408) which can be spliced with the first arc-shaped portion (404) and the second arc-shaped portion (406), and the first plate body (405) and the second plate body (407) are spliced to form a cavity (43) for accommodating the driving unit (3).

7. The multi-function angle grinder of claim 6, wherein: the first arc-shaped part (404) and the second arc-shaped part (406) form a hollowed-out part (44).

8. The multi-function angle grinder of claim 6, wherein: the first arc-shaped part (404), the second arc-shaped part (406) and the third arc-shaped part (408) are spliced to form a circle.

9. The multi-function angle grinder of claim 1, wherein: the novel nut is characterized in that a mounting cavity (46) for embedding a nut (45) is formed in the shell (40), a handle (47) is connected to the top of the shell (40), and the bottom end of the handle (47) is in threaded connection with the nut (45).

10. The multi-function angle grinder of claim 1, wherein: the power mechanism (1) comprises a rotor (11), a stator (12), a fixed support piece (13), a cooling fan (14), helical teeth (15) and a fluted disc (16) capable of being meshed with the helical teeth (15), and the transmission shaft (21) is concentrically and coaxially connected with the fluted disc (16).