CN218254414U

CN218254414U - Novel pneumatic grinder

Info

Publication number: CN218254414U
Application number: CN202222189319.6U
Authority: CN
Inventors: 肖安震; 侯绪军; 施陆强; 李三涛
Original assignee: Shandong Shengkun Pneumatic Machinery Co ltd
Current assignee: Shandong Shengkun Pneumatic Machinery Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-01-10
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to a pneumatic dull polish machine technical field discloses a novel pneumatic abrasive machine, including rotating the seat, the outside of rotating the seat is equipped with the protection casing, the bottom fixedly connected with guard plate of protection casing, rotate and seted up the cavity between seat and the protection casing, the bottom fixedly connected with axis of rotation of seat, the one end fixed mounting of axis of rotation has emery wheel blade, the outside fixed mounting who rotates the seat has handle and handle, be equipped with the switch on the handle, the air inlet has been seted up to the one end of handle, the inside of handle is equipped with the air regulation subassembly, through the pull-down protection casing, make the protection casing can cover emery wheel blade, rotate the protection casing again, make locating piece on the protection casing inner wall lateral shifting in the spout, thereby make the protection casing fixed, insert the joint groove that the guard plate inner wall set up with the guard plate, with emery wheel blade cladding inside protection casing and guard plate, reduce the area that emery wheel blade exposes, thereby reduce emery wheel blade and cause the probability of injury to operating personnel, the security of abrasive machine has been improved.

Description

Novel pneumatic grinder

Technical Field

The utility model relates to a pneumatic dull polish machine technical field specifically is a novel pneumatic grinder.

Background

The sand grinder is a common device used for sharpening various cutters and tools, and is also used for grinding, deburring, cleaning and the like of common small parts. It is mainly composed of base, grinding wheel, motor or other power source, bracket, protective cover and water feeder. The grinding machine can be classified into a vertical grinder, a suspended grinder, a bench grinder, a pneumatic grinder, etc., and among them, the pneumatic grinder is widely used because of its excellent performance.

The chinese patent discloses a pneumatic grinder (grant publication No. CN 208528752U) this pneumatic grinder is including rotating the seat, a handle, the fixed cover of trachea, the sleeve, emery wheel blade and have protective assembly, wherein protective assembly is including fixed cardboard, the protection shield, reset spring and protection shield, make fixed cardboard on the protection shield and the fixture block joint on rotating the seat through the lower protection shield that draws down, accomplish protective assembly to emery wheel blade's protection, but this protective assembly can't carry out the omnidirectional protection to emery wheel blade under the machine halt state, emery wheel blade still exposes outside, there is the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel pneumatic grinder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel pneumatic grinder, is including rotating the seat, the outside of rotating the seat is equipped with the protection casing, and the bottom fixedly connected with guard plate of protection casing rotates and has seted up the cavity between seat and the protection casing, rotates the bottom fixedly connected with axis of rotation of seat, and the one end fixed mounting of axis of rotation has emery wheel blade, and the outside fixed mounting who rotates the seat has handle and handle, is equipped with the switch on the handle, and the air inlet has been seted up to the one end of handle, and the inside of handle is equipped with the subassembly of transferring gas.

Optionally, the inside fixed mounting of cavity has the spring, and the one end of spring is connected with the rotation seat, and the other end of spring is connected with the protection casing, rotates the outside of seat and has seted up the spout.

Optionally, a positioning block is fixedly mounted on the inner wall of the protective cover, and the positioning block is matched with the sliding groove in the rotating seat.

Optionally, a clamping groove is formed in the inner wall of the protection plate, and the protection plate is clamped in the clamping groove.

Optionally, the gas regulating assembly comprises a knob, a threaded rod is fixedly connected to one side of the knob, a group of bearings are fixedly mounted inside the handle, one end of the threaded rod penetrates through the handle and is connected with the handle in a rotating mode through the bearings, a threaded sleeve is sleeved on the threaded rod, and a sealing sleeve is sleeved between the threaded rod and the handle.

Optionally, a groove is formed in the handle, and the threaded sleeve is connected to the inside of the groove in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a drop-down protection casing makes the protection casing can cover emery wheel blade, rotates the protection casing again, makes locating piece lateral shifting in the spout on the protection casing inner wall to make the protection casing fixed, insert the joint groove that the guard plate inner wall set up with the guard plate, with emery wheel blade cladding inside protection casing and guard plate, reduce the area that emery wheel blade exposes, thereby reduce emery wheel blade and cause the probability of injury to operating personnel, improved the security of abrasive machine.

2. The utility model discloses a rotate the knob, the knob drives the threaded rod and rotates, and the threaded rod rotates and makes the thread bush remove on the threaded rod, then control the air admission and rotate what of seat to control axis of rotation pivoted speed through the rotational speed of control axis of rotation, solved to a certain extent the problem that the abrasive machine can only process a type of material.

Drawings

Fig. 1 is an overall schematic view of a novel pneumatic grinder of the present invention;

FIG. 2 is a cross-sectional view of a novel pneumatic grinder of the present invention;

FIG. 3 is a schematic structural view of a protective cover and a protective plate of the pneumatic grinder of the present invention;

FIG. 4 is a schematic view of the structure of a rotary seat in a pneumatic grinder

Fig. 5 is a schematic structural view of the air adjusting assembly of the novel pneumatic grinder of the present invention.

In the figure: 1. a rotating seat; 11. a rotating shaft; 12. a grinding wheel blade; 13. a chute; 2. a protective cover; 21. a protection plate; 22. positioning blocks; 23. a protective sheet; 3. a cavity; 31. a spring; 4. a grip; 41. a switch; 42. an air inlet; 43. a groove; 5. a handle; 6. a gas regulating component; 61. a knob; 62. a threaded rod; 63. a bearing; 64. and (4) a threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 5, the utility model provides a novel pneumatic grinder, including rotating seat 1, the outside of rotating seat 1 is equipped with protection casing 2, protection casing 2 can play the guard action to emery wheel blade 12 when the grinder is out of work, the probability that mistake touch switch 41 caused the injury to operating personnel has been reduced to a certain extent, the bottom fixedly connected with guard plate 21 of protection casing 2, guard plate 21 can block splashing of time worker's waste material, improve the safety in utilization, it has cavity 3 to rotate to have seted up between seat 1 and the protection casing 2, the outside fixed mounting who rotates seat 1 has handle 4 and handle 5, it is more convenient to control the grinder through handle 4 and handle 5 messenger, the bottom fixedly connected with axis of rotation 11 that rotates seat 1, the one end fixed mounting of axis of rotation 11 has emery wheel blade 12, be equipped with switch 41 on the handle 4, festival air inlet 42 has been seted up to the one end of handle 4, the inside of handle 4 is equipped with air regulation subassembly 6.

Fixed mounting has spring 31 in cavity 3, spring 31's one end is connected with protection casing 2, spring 31's the other end with rotate 1 of seat and be connected, during operation spring 31 rises protection casing 2 through elasticity and has improved work efficiency, spout 13 has been seted up in the outside of rotating 1 of seat, spout 13 conveniently prevents that locating piece 22 slides, play limiting displacement to protection casing 2 simultaneously, the joint groove has been seted up to the inner wall of guard plate 21, the inside joint of joint inslot has protection plate 23, when the abrasive machine was out of work, insert the joint groove with protection plate 23, play the guard action to emery wheel blade 12.

The air regulation subassembly 6 includes knob 61, one side fixedly connected with threaded rod 62 of knob 61, the inside fixed mounting of handle 4 has a set of bearing 63, the one end of threaded rod 62 runs through handle 4 and rotates the connection through bearing 63, threaded sleeve 64 has been cup jointed on the threaded rod 62, the cover is equipped with the seal cover between threaded rod 62 and the handle 4, two bearings 63 make threaded rod 62 during operation more stable, the seal cover has increased the inside gas tightness of handle 4, reduce the probability of gas leakage, the inside recess 43 that has seted up of handle 4, threaded sleeve 64 sliding connection is inside recess 43, make threaded sleeve 64 slide in recess 43.

The working principle is as follows: when the device is used, the air pipe is communicated with the air inlet 42, the control switch 41 controls the rotation seat 1 to work, the rotation seat 1 drives the rotation shaft 11 to rotate, the rotation shaft 11 drives the grinding wheel blade 12 to rotate, and then the grinder works, when the grinder does not work, the protective cover 2 is pulled down to cover the grinding wheel blade 12 by the protective cover 2, and then the protective cover 2 is rotated, so that the positioning block 22 transversely moves in the sliding groove 13 to fix the protective cover 2, the protective cover 23 is inserted into the clamping groove formed in the inner wall of the protective cover 21 to increase the protection effect, when the grinder works, the protective cover 23 is pulled out, the protective cover 2 is rotated, the protective cover 2 moves upwards along the sliding groove 13 under the elastic force of the spring 31, the protective cover 2 ascends to expose the grinding wheel blade 12, when objects made of different materials are processed, the knob 61 is rotated, the knob 61 drives the threaded rod 62 to rotate, the threaded rod 62 is rotated to move the threaded sleeve 64 on the threaded rod 62, and then the quantity of air entering the rotation seat 1 is controlled, and the speed of the rotation shaft 11 is controlled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel pneumatic grinder, including rotating seat (1), a serial communication port, the outside of rotating seat (1) is equipped with protection casing (2), bottom fixedly connected with guard plate (21) of protection casing (2), rotate and seted up cavity (3) between seat (1) and protection casing (2), the bottom fixedly connected with axis of rotation (11) of rotating seat (1), the one end fixed mounting of axis of rotation (11) has emery wheel blade (12), the outside fixed mounting who rotates seat (1) has handle (4) and handle (5), be equipped with switch (41) on handle (4), air inlet (42) have been seted up to the one end of handle (4), the inside of handle (4) is equipped with air regulation subassembly (6).

2. The novel pneumatic grinder as claimed in claim 1, wherein a spring (31) is fixedly mounted inside the cavity (3), one end of the spring (31) is connected with the rotating base (1), the other end of the spring (31) is connected with the protective cover (2), and a sliding groove (13) is formed in the outer side of the rotating base (1).

3. The novel pneumatic grinder as claimed in claim 2, characterized in that a positioning block (22) is fixedly mounted on the inner wall of the protective cover (2), and the positioning block (22) is matched with the sliding groove (13) on the rotating seat (1).

4. The novel pneumatic grinder as claimed in claim 1, wherein the inner wall of the protection plate (21) is provided with a clamping groove, and the protection plate (23) is clamped in the clamping groove.

5. The novel pneumatic grinder as claimed in claim 1, wherein the air adjusting assembly (6) comprises a knob (61), a threaded rod (62) is fixedly connected to one side of the knob (61), a set of bearings (63) are fixedly mounted inside the handle (4), one end of the threaded rod (62) penetrates through the handle (4) and is rotatably connected through the bearings (63), a threaded sleeve (64) is sleeved on the threaded rod (62), and a sealing sleeve is sleeved between the threaded rod (62) and the handle (4).

6. The novel pneumatic grinder as claimed in claim 5, wherein the handle (4) is provided with a groove (43) therein, and the threaded sleeve (64) is slidably connected to the inside of the groove (43).