CN210550227U

CN210550227U - Stainless steel seal head production is with angle grinder of conveniently changing polishing piece

Info

Publication number: CN210550227U
Application number: CN201921165896.3U
Authority: CN
Inventors: 袁国良
Original assignee: Xinji Aochun Head Manufacturing Co Ltd
Current assignee: Xinji Aochun Head Manufacturing Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-19
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a stainless steel seal head production is with angle grinder who conveniently changes polishing piece, including fuselage, aircraft nose, handheld portion, guard shield and the piece of polishing, the left end of fuselage is equipped with the aircraft nose, and the below of fuselage right-hand member is equipped with the air intake, is equipped with handheld portion at the intermediate position of fuselage, and the below of aircraft nose is equipped with the protection casing, and the inside of protection casing is equipped with the polishing piece. The utility model is provided with the fan blades, the driving shaft can drive the fan blades to work while working, so that the fan blades can blow air flow to cool the interior of the machine body and prevent chips generated by polishing from splashing to the interior of the machine head; the utility model discloses set up swivel nut and axle sleeve and fixed the polishing piece, pull down swivel nut 17 and can dismantle the polishing piece, set up the retainer plate and fix the guard shield with fixed cover, can fix the guard shield through the retainer plate of screwing, transfer loose retainer plate and can contact fixedly to the guard shield for the staff can change the position of guard shield.

Description

Stainless steel seal head production is with angle grinder of conveniently changing polishing piece

Technical Field

The utility model relates to a stainless steel end socket produces technical field, specifically is a stainless steel end socket produces with conveniently changing the angle grinder of polishing piece.

Background

The end socket is used as an indispensable part in a normal pressure and pressure-bearing container, and the processing quality of the end socket has great influence on the sealing effect of the container, so that after the end socket is cast or formed by forging, the edge and the end face need to be finely polished. Among the prior art, the mode of polishing to head edge generally adopts the angle grinder, because the process of polishing is comparatively loaded down with trivial details, to the burring, refurbishment, rounding, the precision of polishing needs to increase gradually, consequently need often change the polishing piece of different qualities, and the current angle grinder is changed the piece of polishing comparatively complicated, and the instrument that needs to use is more, and most angle grinders all need dismantle down the guard shield before changing the piece of polishing, very waste time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel seal produces with the angle grinder of conveniently changing the polishing piece to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an angle grinder with a grinding piece convenient to replace for stainless steel end enclosure production comprises a machine body, a machine head, a handheld portion, a protective cover and a grinding piece, wherein the machine head is arranged at the left end of the machine body; a driving shaft is arranged inside the machine body, a first bevel gear is arranged at the left end of the driving shaft, and fan blades are sleeved on the driving shaft; a driven shaft is arranged in the machine head, a stepped shaft section is arranged in the middle of the driven shaft, a second bevel gear is sleeved on the stepped shaft section and connected with the stepped shaft section through a flat key, the second bevel gear is meshed with the first bevel gear, a first end cover is arranged above the driven shaft and fixed on the upper surface of the machine head through a screw, and an angular contact ball bearing is arranged between the top end of the stepped shaft section and the bottom end of the first end cover; a second end cover is fixed on the lower surface of the machine head through bolts and nuts, a shaft sleeve is sleeved on the driven shaft and arranged below the stepped shaft section, an angular contact ball bearing is arranged between the shaft sleeve and the bottom end of the stepped shaft section, and the inner side wall of the second end cover fixes the outer ring of the angular contact ball bearing; the bottom end of the driven shaft is sleeved with a fixed threaded sleeve, a cylindrical surface at the bottom end of the driven shaft is provided with threads, the fixed threaded sleeve is fixed on the driven shaft through the threads, the polishing piece is arranged between the fixed threaded sleeve and the shaft sleeve, and the bottom end of the driven shaft is connected with the lower surface of the shield through a bearing; the top edge of guard shield is equipped with fixed cover, and fixed cover box is established in the bottom of second end cover, and the outside of fixed cover is equipped with the retainer plate.

As a further aspect of the present invention: the air inlet is covered with a gauze, and the handheld part is provided with anti-skid grains.

As a further aspect of the present invention: the shaft diameter of the stepped shaft section is larger than that of the driven shaft.

As a further aspect of the present invention: the top end of the shaft sleeve is set to be a hollow cylinder, and the lower half section of the shaft sleeve is set to be a hollow hexagonal prism.

As a further aspect of the present invention: the lateral wall of fixed cover sets up to the conical surface, and is equipped with the screw thread on the lateral wall of fixed cover, and the inside wall of retainer plate sets up to the conical surface, and is equipped with the screw thread on the inside wall of retainer plate, and fixed cover passes through the screw thread and is connected with the retainer plate.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model is provided with the fan blades, the driving shaft can drive the fan blades to work while working, so that the fan blades can blow air flow to cool the interior of the machine body and prevent chips generated by polishing from splashing to the interior of the machine head; the utility model discloses set up swivel nut and axle sleeve and fixed the polishing piece, pull down swivel nut 17 and can dismantle the polishing piece, set up the retainer plate and fix the guard shield with fixed cover, can fix the guard shield through the retainer plate of screwing, transfer loose retainer plate and can contact fixedly to the guard shield for the staff can change the position of guard shield.

Drawings

FIG. 1 is a schematic cross-sectional view of an angle grinder with a replaceable polishing pad for stainless steel end cap production.

Figure 2 is an enlarged view of a portion of a stainless steel end cap at position a in an angle grinder with a readily replaceable grinding disc.

Figure 3 is an enlarged view of a portion of a stainless steel end cap at position B in an angle grinder for easy replacement of the grinding disc.

FIG. 4 is a schematic perspective view of a shaft sleeve in an angle grinder with a conveniently replaceable grinding disc for stainless steel end cap production.

In the figure: 1. a body; 2. a machine head; 3. a hand-held portion; 4. an air inlet; 5. a shield; 6. grinding the sheets; 7. a drive shaft; 8. a fan blade; 9. a first bevel gear; 10. a driven shaft; 101. a stepped shaft section; 11. a second bevel gear; 12. a first end cap; 13. a second end cap; 14. a shaft sleeve; 15. fixing a sleeve; 16. a stationary ring; 17. and fixing the threaded sleeve.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, an angle grinder with a conveniently replaced polishing piece for stainless steel end enclosure production comprises a machine body 1, a machine head 2, a handheld portion 3, a shield 5 and a polishing piece 6, wherein the machine head 2 is arranged at the left end of the machine body 1, an air inlet 4 is arranged below the right end of the machine body 1, a gauze is covered on the air inlet 4, the handheld portion 3 is arranged in the middle of the machine body 1, anti-skid lines are arranged on the handheld portion 3, the shield 5 is arranged below the machine head 2, and the polishing piece 6 is arranged inside the shield 5; the novel fan is characterized in that a driving shaft 7 is arranged inside the machine body 1, a first bevel gear 9 is arranged at the left end of the driving shaft 7, the right end of the driving shaft 7 is connected with a motor inside the machine body 1, the motor inside the machine body 1 drives the driving shaft 7 to rotate, fan blades 8 are sleeved on the driving shaft 7, and the fan blades 8 can rotate along with the driving shaft 7.

A driven shaft 10 is arranged inside the machine head 2, a stepped shaft section 101 is arranged in the middle of the driven shaft 10, the shaft diameter of the stepped shaft section 101 is larger than that of the driven shaft 10, a second bevel gear 11 is sleeved on the stepped shaft section 101, the second bevel gear 11 is connected with the stepped shaft section 101 through a flat key, the second bevel gear 11 is meshed with a first bevel gear 9, a first end cover 12 is arranged above the driven shaft 10, the first end cover 12 is fixed on the upper surface of the machine head 2 through a screw, and an angular contact ball bearing is arranged between the top end of the stepped shaft section 101 and the bottom end of the first end cover 12; a second end cover 13 is fixed on the lower surface of the machine head 2 through bolts and nuts, a shaft sleeve 14 is sleeved on the driven shaft 10, the shaft sleeve 14 is arranged below the stepped shaft section 101, an angular contact ball bearing is arranged between the shaft sleeve 14 and the bottom end of the stepped shaft section 101, the inner side wall of the second end cover 13 fixes the outer ring of the angular contact ball bearing, and a pair of angular contact ball bearings located at the upper end and the lower end of the stepped shaft section 101 supports the driven shaft 10 and reduces the rotating friction force; the top of axle sleeve 14 sets up to hollow cylinder, and the lower half section of axle sleeve 14 sets up to hollow hexagonal prism.

The bottom end of the driven shaft 10 is sleeved with a fixed threaded sleeve 17, a cylindrical surface at the bottom end of the driven shaft 10 is provided with threads, the fixed threaded sleeve 17 is fixed on the driven shaft 10 through the threads, the polishing sheet 6 is arranged between the fixed threaded sleeve 17 and the shaft sleeve 14, and the bottom end of the driven shaft 10 is connected with the lower surface of the shield 5 through a bearing; the top edge of guard shield 5 is equipped with fixed cover 15, fixed cover 15 cover is established in the bottom of second end cover 13, the lateral wall of fixed cover 15 sets up to the conical surface, and be equipped with the screw thread on the lateral wall of fixed cover 15, the outside of fixed cover 15 is equipped with retainer plate 16, the inside wall of retainer plate 16 sets up to the conical surface, and be equipped with the screw thread on the inside wall of retainer plate 16, fixed cover 15 passes through the screw thread and is connected with retainer plate 16, move retainer plate 16 downstream through twisting, can make retainer plate 16 press from both sides tight fixed cover 15, thereby guard shield 5 that make is fixed in the below of aircraft nose 2.

The utility model discloses in the use, driving shaft 7 can drive driven shaft 10 and rotate, driven shaft 10 can drive polishing piece 6 and rotate, meanwhile, driving shaft 7 can drive flabellum 8 and rotate, can turn left the inside air current of fuselage 1 from the right side when flabellum 8 rotates and drive, the air current gets into fuselage 1 by air intake 4, and blow off by the space department of aircraft nose 2 below, when carrying out the forced air cooling to 1 inside motor of fuselage, produce the air current of blowing outward at aircraft nose 2, the piece that produces when preventing polishing piece 6 and polish gets into in aircraft nose 2.

When the polishing disc 6 needs to be disassembled and replaced, the fixing ring 16 is screwed to move upwards, so that the fixing ring 16 releases the clamping of the fixing sleeve 15, and then the driven shaft 10 is separated from the shield 5, so that the shield 5 moves downwards to leave a gap for taking down the polishing disc 6; the hexagonal side wall of the sleeve 14 is then secured by a wrench, the threaded sleeve is unscrewed, the sanding sheet 6 is removed, a new sanding sheet 6 is then installed, and the guard 5 is re-secured.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An angle grinder with a grinding disc convenient to replace for stainless steel end enclosure production comprises a machine body (1), a machine head (2), a handheld portion (3), a protective cover (5) and a grinding disc (6), and is characterized in that the machine head (2) is arranged at the left end of the machine body (1), an air inlet (4) is arranged below the right end of the machine body (1), the handheld portion (3) is arranged in the middle of the machine body (1), the protective cover (5) is arranged below the machine head (2), and the grinding disc (6) is arranged inside the protective cover (5); a driving shaft (7) is arranged inside the machine body (1), a first bevel gear (9) is arranged at the left end of the driving shaft (7), and fan blades (8) are sleeved on the driving shaft (7); a driven shaft (10) is arranged in the handpiece (2), a stepped shaft section (101) is arranged in the middle of the driven shaft (10), a second bevel gear (11) is sleeved on the stepped shaft section (101), the second bevel gear (11) is connected with the stepped shaft section (101) through a flat key, the second bevel gear (11) is meshed with the first bevel gear (9), a first end cover (12) is arranged above the driven shaft (10), the first end cover (12) is fixed on the upper surface of the handpiece (2) through a screw, and an angular contact ball bearing is arranged between the top end of the stepped shaft section (101) and the bottom end of the first end cover (12);

a second end cover (13) is fixed on the lower surface of the machine head (2) through bolts and nuts, a shaft sleeve (14) is sleeved on the driven shaft (10), the shaft sleeve (14) is arranged below the stepped shaft section (101), an angular contact ball bearing is arranged between the shaft sleeve (14) and the bottom end of the stepped shaft section (101), and the inner side wall of the second end cover (13) fixes the outer ring of the angular contact ball bearing; the bottom end of the driven shaft (10) is sleeved with a fixed threaded sleeve (17), threads are arranged on a cylindrical surface at the bottom end of the driven shaft (10), the fixed threaded sleeve (17) is fixed on the driven shaft (10) through the threads, the polishing disc (6) is arranged between the fixed threaded sleeve (17) and the shaft sleeve (14), and the bottom end of the driven shaft (10) is connected with the lower surface of the shield (5) through a bearing; the top edge of guard shield (5) is equipped with fixed cover (15), and the bottom at second end cover (13) is established to fixed cover (15), and the outside of fixed cover (15) is equipped with retainer plate (16).

2. The stainless steel end socket production angle grinder facilitating grinding disc replacement according to claim 1, wherein the air inlet (4) is covered with a gauze, and the hand-held portion (3) is provided with an anti-slip texture.

3. A stainless steel end-cap production angle grinder with easy-to-change sanding plates according to claim 1, wherein the stepped shaft section (101) has a larger shaft diameter than the driven shaft (10).

4. A stainless steel end cap production angle grinder with easily replaceable grinding disc as claimed in claim 1, wherein the top end of the shaft sleeve (14) is provided with a hollow cylinder, and the lower half section of the shaft sleeve (14) is provided with a hollow hexagonal prism.

5. The angle grinder with the grinding disc convenient to replace for the stainless steel seal head production according to claim 1, wherein the outer side wall of the fixing sleeve (15) is provided with a conical surface, the outer side wall of the fixing sleeve (15) is provided with threads, the inner side wall of the fixing ring (16) is provided with a conical surface, the inner side wall of the fixing ring (16) is provided with threads, and the fixing sleeve (15) is connected with the fixing ring (16) through the threads.