CN213731124U

CN213731124U - Multifunctional pneumatic grinder

Info

Publication number: CN213731124U
Application number: CN202022255229.3U
Authority: CN
Inventors: 杨秋明
Original assignee: Zhenjiang Danfeng Pneumatic Tools Co ltd
Current assignee: Zhenjiang Danfeng Pneumatic Tools Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-07-20
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a multi-functional type pneumatic grinder, the female joint comprises a sleeve, the inside fixed cylinder that is equipped with in sleeve one side, the fixed rotor that is equipped with of cylinder output, the fixed pivot that is equipped with of rotor one end, the pivot both sides all are equipped with antifriction bearing with muffjoint department, the inside fixed bearing gland that is equipped with of sleeve opposite side, the inside baffle that is equipped with of bearing gland, the baffle is established in the outside of pivot and is connected with the pivot rotation. The utility model discloses the pivot outside can be fixed mounting take handle alloy spiral milling cutter to accomplish milling process respectively, or the grinding of edge department is accomplished to the centre gripping handle emery wheel bistrique, or hole or corner department grinding are accomplished to the emery wheel bistrique of installation threaded hole, or plane or large tracts of land grinding are accomplished to the dull and stereotyped emery wheel of installation, realize a tractor serves several purposes, have improved the utilization ratio of abrasive machine greatly, have reduced instrument use cost.

Description

Multifunctional pneumatic grinder

Technical Field

The utility model relates to a grinder technical field, concretely relates to multi-functional type pneumatic grinder.

Background

The 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. It can be divided into a vertical grinder, a suspended grinder, a bench grinder, a pneumatic grinder, etc.

However, when the existing pneumatic grinder is in practical use, only one machining part can be mounted at the output end of the grinder to complete machining treatment of a workpiece, the utilization rate of the grinder is low, and the use cost of tools is increased invisibly.

Therefore, it is necessary to provide a multifunctional pneumatic grinder to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-functional type pneumatic grinder, can be respectively fixed mounting area handle alloy spiral milling cutter through the pivot outside and accomplish milling process, or the grinding of edge department is accomplished to centre gripping area handle emery wheel bistrique, or hole or angle department grinding are accomplished to the emery wheel bistrique of installation threaded hole, or plane or large tracts of land grinding are accomplished to the dull and stereotyped emery wheel of installation, realize a tractor serves several purposes, improved the utilization ratio of grinder greatly, the instrument use cost is reduced to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a multi-functional type pneumatic grinder, includes the sleeve, the inside fixed cylinder that is equipped with in sleeve one side, the fixed rotor that is equipped with of cylinder output, the fixed pivot that is equipped with of rotor one end, the pivot both sides all are equipped with antifriction bearing with the muffjoint department, the inside fixed bearing gland that is equipped with of sleeve opposite side, the inside baffle that is equipped with of bearing gland, the baffle is established in the outside of pivot and is connected with the pivot rotation, the one end outside that the cylinder was kept away from in the pivot is equipped with first fixed establishment, second fixed establishment or the third fixed establishment that is used for fixed spiral milling cutter, emery wheel bistrique or dull and stereotyped emery wheel, the one end that the baffle was kept away from to the sleeve is equipped with control mechanism.

Preferably, wherein be used for fixed spiral milling cutter first fixed establishment is including chuck, clamping nut and spiral milling cutter, the chuck is fixed to be established in the pivot and keep away from the one end outside of cylinder and with pivot fixed connection, the chuck is kept away from the one end outside of pivot and is equipped with clamping nut, the chuck is kept away from the fixed spiral milling cutter that is equipped with in one end of pivot.

Preferably, the second fixing mechanism for fixing the grinding wheel head comprises a conversion joint and the grinding wheel head, the conversion joint is arranged on the outer side of one end, far away from the cylinder, of the rotating shaft and is fixedly connected with the rotating shaft, and the grinding wheel head is fixedly arranged on the outer side of one end, far away from the rotating shaft, of the conversion joint.

Preferably, the third fixing mechanism for fixing the grinding wheel comprises a flat grinding wheel, a fixing nut, a grinding wheel pressing plate, a bushing and a protective cover, the flat grinding wheel is fixedly arranged on the outer side of one end, far away from the air cylinder, of the rotating shaft and is fixedly connected with the rotating shaft, the bushing is arranged at the joint of the flat grinding wheel and the rotating shaft and is in contact with the baffle, the grinding wheel pressing plate is arranged on one side, far away from the baffle, of the bushing, the fixing nut is arranged on one side, far away from the bushing, of the grinding wheel pressing plate, the protective cover is arranged on the outer side of the flat grinding wheel, and the protective cover is fixedly connected with the sleeve.

Preferably, the control mechanism comprises a valve body, the valve body is fixedly connected with the sleeve, an air valve is arranged on one side, away from the air cylinder, of the valve body, cylindrical pins are arranged at the joints of the top and the bottom of the air valve and the valve body, the air valve is fixedly connected with the valve body through the cylindrical pins, an air receiving nozzle seat is arranged outside one side, away from the valve body, of the air valve, and a knob switch is arranged outside the air receiving nozzle seat.

Preferably, the grinding wheel grinding head is provided with a threaded hole type grinding wheel grinding head and a handle type grinding wheel grinding head.

Preferably, the top of one side of the valve body is fixedly provided with a positioning pin, and one end, far away from the valve body, of the positioning pin extends to the inside of the cylinder and is fixedly connected with the cylinder.

Preferably, a connecting sleeve is arranged at the joint of the rotor and the rotating shaft, and two sides of the connecting sleeve are respectively contacted with the air cylinder and the rolling bearing.

In the technical scheme, the utility model provides a technological effect and advantage:

compared with the prior art, the device can respectively fix and clamp the alloy spiral milling cutter with the handle to finish milling or clamp the grinding wheel head with the handle to finish grinding of corners, mount the grinding wheel head with threaded holes to finish grinding of inner holes or corners and mount the flat grinding wheel to finish grinding of planes or large areas, thereby realizing the function of one machine with multiple purposes, greatly improving the utilization rate of the grinding machine and reducing the use cost of tools.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the rotating shaft and the grinding wheel head of the present invention;

fig. 3 is a schematic view of the connection structure of the rotating shaft and the flat grinding wheel of the present invention.

Description of reference numerals:

1 sleeve, 2 cylinders, 3 rotors, 4 rotating shafts, 5 rolling bearings, 6 bearing glands, 7 baffles, 8 helical milling cutters, 9 grinding wheel grinding heads, 10 flat grinding wheels, 11 control mechanisms, 81 chucks, 82 clamping nuts, 91 conversion joints, 101 fixing nuts, 102 grinding wheel pressing plates, 103 bushings, 104 protective covers, 111 valve bodies, 112 air valves, 113 cylindrical pins, 114 air nozzle connecting seats, 115 knob switches, 12 positioning pins and 13 connecting sleeves.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a multi-functional type pneumatic grinder as shown in fig. 1-3, including sleeve 1, sleeve 1 one side is inside fixed to be equipped with cylinder 2, the fixed rotor 3 that is equipped with of cylinder 2 output, the fixed pivot 4 that is equipped with of 3 one end of rotor, 4 both sides of pivot all are equipped with antifriction bearing 5 with sleeve 1 junction, the inside fixed bearing gland 6 that is equipped with of 1 opposite side of sleeve, the inside baffle 7 that is equipped with of bearing gland 6, baffle 7 is established in the outside of pivot 4 and is rotated with pivot 4 and be connected, the one end outside that cylinder 2 was kept away from in pivot 4 is equipped with first fixed establishment, second fixed establishment or the third fixed establishment that is used for fixed spiral milling cutter 8, emery wheel bistrique 9 or dull and stereotyped emery wheel 10, the one end that baffle 7 was kept away from to sleeve 1 is equipped with control mechanism 11.

Further, in the above technical solution, the first fixing mechanism for fixing the spiral milling cutter 8 includes a chuck 81, a clamping nut 82 and the spiral milling cutter 8, the chuck 81 is fixedly disposed at an outer side of one end of the rotating shaft 4 far away from the cylinder 2 and is fixedly connected to the rotating shaft 4, the clamping nut 82 is disposed at an outer side of one end of the chuck 81 far away from the rotating shaft 4, and the clamping nut 82 and the chuck 81 are combined to firmly clamp the spiral milling cutter 8 or other cutting tools, so that the chuck 81 drives the spiral milling cutter 8 or other cutting tools to perform cutting processing when rotating along with the rotating shaft 4.

Further, in the above technical solution, the second fixing mechanism for fixing the grinding wheel head 9 includes an adapter 91 and the grinding wheel head 9, the adapter 91 is disposed on the outer side of the end of the rotating shaft 4 far away from the cylinder 2 and is fixedly connected to the rotating shaft 4, and the grinding wheel head 9 is fixedly disposed on the outer side of the end of the adapter 91 far away from the rotating shaft 4.

Further, in the above technical solution, the third fixing mechanism for fixing the grinding wheel includes a flat grinding wheel 10, a fixing nut 101, a grinding wheel pressing plate 102, a bushing 103 and a protective cover 104, the flat grinding wheel 10 is fixedly arranged at the outer side of one end of the rotating shaft 4 far away from the air cylinder 2 and is fixedly connected with the rotating shaft 4, a bushing 103 is arranged at the joint of the flat grinding wheel 10 and the rotating shaft 4 to prevent the flat grinding wheel 10 from directly contacting with the rotating shaft 4, so as to improve the stability of the flat grinding wheel, the bushing 103 contacts with the baffle 7, the grinding wheel pressing plate 102 is arranged at one side of the bushing 103 far away from the baffle 7, the fixing nut 101 is arranged at one side of the grinding wheel pressing plate 102 far away from the bushing 103 to limit and fix the flat grinding wheel 10, so as to ensure the accuracy of the flat grinding wheel 10 during processing, the protective cover 104 is arranged at the outer side of the flat grinding wheel 10 to prevent the waste scraps generated by the use of the flat grinding wheel 10 from splashing onto the operator, meanwhile, the damage to field personnel caused by the accidental breakage of the flat grinding wheel 10 can be prevented, and the protective cover 104 is fixedly connected with the sleeve 1.

Further, in the above technical solution, the control mechanism 11 includes a valve body 111, the valve body 111 is fixedly connected with the sleeve 1, an air valve 112 is disposed on one side of the valve body 111 away from the air cylinder 2, cylindrical pins 113 are disposed at joints between the top and the bottom of the air valve 112 and the valve body 111, the air valve 112 is fixedly connected with the valve body 111 through the cylindrical pins 113, an air receiving nozzle seat 114 is disposed outside one side of the air valve 112 away from the valve body 111, and a knob switch 115 is disposed outside the air receiving nozzle seat 114.

Furthermore, in the above technical scheme, the grinding wheel head 9 is provided with a threaded hole type grinding wheel head 9 and a handle type grinding wheel head 9, so that the function of the device is further improved, the threaded hole type grinding wheel head 9 can finish grinding at corners, and the handle type grinding wheel head 9 can finish grinding at inner holes or corners.

Further, in the above technical scheme, fixed locating pin 12 that is equipped with in valve body 111 one side top, locating pin 12 keep away from the one end of valve body 111 extend to 2 insides and with cylinder 2 fixed connection, carry out further location fixed to cylinder 2 and valve body 111, ensure that the inlet port of cylinder 2 communicates with each other with the inlet port of valve body 111.

Further, in the above technical scheme, a connecting sleeve 13 is arranged at a joint of the rotor 3 and the rotating shaft 4, so that the stability of the rotor 3 and the rotating shaft 4 during rotation is improved, and two sides of the connecting sleeve 13 are respectively in contact with the cylinder 2 and the rolling bearing 5.

The implementation mode is specifically as follows: when the utility model is used, the worker can clamp the spiral milling cutter 8 inside the chuck 81 according to the requirement of the worker, and then the spiral milling cutter is driven by the rotating shaft 4 to rotate for milling, or the grinding wheel head 9 is fixedly connected with the rotating shaft 4 through the adapter 91, so that the rotating shaft 4 drives the grinding wheel head to rotate for grinding the edge or finishing the grinding of the inner hole or the corner, meanwhile, the flat grinding wheel 10 can be fixedly arranged outside the rotating shaft 4 through the bushing 103, the plane or large-area grinding is finished, and the flat grinding wheel 10 can be further fixed outside the rotating shaft 4 by the fixing nut 101 and the grinding wheel pressing plate 102, so that the stability and the accuracy are good when the flat grinding wheel is rotated, and the worker only needs to communicate the air receiving nozzle seat 114 with the external compressed air gas circuit device when using the spiral milling cutter 8, the grinding wheel head 9 or the flat grinding wheel 10, then the knob switch 115 is rotated, the air valve 112 is opened, the external gas enters the valve body 111, at the moment, the compressed air blows the blades in the cylinder 2 to drive the rotor 3 to rotate, and then the output rotational kinetic energy drives the rotating shaft 4 to rotate, so that the chuck 81, the bushing 103 or the adapter 91 at the other end rotate, and further drives the spiral milling cutter 8, the flat grinding wheel 10 or the grinding wheel head 9 to carry out processing treatment, the cylinder 2 is a stator of an engine, the blades in the cylinder are blown by the compressed air to rotate so as to drive the rotor 3 to rotate, the baffle 7 can respectively limit the chuck 81, the adapter 91 and the bushing 103, the bearing gland 6 can limit the baffle 7, the rotating shaft 4 and the rolling bearing 5, so that the stability of the rotating shaft 4 during rotation is improved, the embodiment specifically solves the problem that the output end of the existing pneumatic grinder in the prior art can only be provided with one processing part to complete one processing treatment of the workpiece when in actual use, the utilization rate of the grinder is low, and the use cost of tools is increased invisibly.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a multi-functional type pneumatic grinder, includes sleeve (1), its characterized in that: a cylinder (2) is fixedly arranged in one side of the sleeve (1), a rotor (3) is fixedly arranged at the output end of the cylinder (2), a rotating shaft (4) is fixedly arranged at one end of the rotor (3), rolling bearings (5) are arranged at the joints of the two sides of the rotating shaft (4) and the sleeve (1), a bearing gland (6) is fixedly arranged in the other side of the sleeve (1), a baffle plate (7) is arranged in the bearing gland (6), the baffle (7) is arranged at the outer side of the rotating shaft (4) and is rotationally connected with the rotating shaft (4), a first fixing mechanism, a second fixing mechanism or a third fixing mechanism for fixing a spiral milling cutter (8), a grinding wheel head (9) or a flat grinding wheel (10) is arranged on the outer side of one end of the rotating shaft (4) far away from the cylinder (2), and a control mechanism (11) is arranged at one end of the sleeve (1) far away from the baffle (7).

2. The multi-function pneumatic grinder as claimed in claim 1, wherein: wherein be used for fixed spiral milling cutter (8) first fixed establishment is including chuck (81), clamping nut (82) and spiral milling cutter (8), chuck (81) are fixed to be established in the one end outside of keeping away from cylinder (2) in pivot (4) and with pivot (4) fixed connection, the one end outside of keeping away from pivot (4) in chuck (81) is equipped with clamping nut (82), the one end that pivot (4) were kept away from in chuck (81) is fixed and is equipped with spiral milling cutter (8).

3. The multi-function pneumatic grinder as claimed in claim 1, wherein: the second fixing mechanism for fixing the grinding wheel grinding head (9) comprises a conversion joint (91) and the grinding wheel grinding head (9), the conversion joint (91) is arranged on the outer side of one end, far away from the air cylinder (2), of the rotating shaft (4) and is fixedly connected with the rotating shaft (4), and the grinding wheel grinding head (9) is fixedly arranged on the outer side of one end, far away from the rotating shaft (4), of the conversion joint (91).

4. The multi-function pneumatic grinder as claimed in claim 1, wherein: the third fixing mechanism for fixing the grinding wheel comprises a flat grinding wheel (10), a fixing nut (101), a grinding wheel pressing plate (102), a bushing (103) and a protective cover (104), wherein the flat grinding wheel (10) is fixedly arranged on the outer side of one end, far away from the air cylinder (2), of the rotating shaft (4) and fixedly connected with the rotating shaft (4), the bushing (103) is arranged at the joint of the flat grinding wheel (10) and the rotating shaft (4), the bushing (103) is in contact with the baffle (7), the grinding wheel pressing plate (102) is arranged on one side, far away from the baffle (7), of the bushing (103) of the grinding wheel pressing plate (102), the fixing nut (101) is arranged on one side, far away from the bushing (103), of the flat grinding wheel (10) is provided with the protective cover (104), and the protective cover (104).

5. The multi-function pneumatic grinder as claimed in claim 1, wherein: control mechanism (11) include valve body (111), valve body (111) and sleeve (1) fixed connection, one side that cylinder (2) were kept away from in valve body (111) is equipped with pneumatic valve (112), pneumatic valve (112) top and bottom all are equipped with cylindric lock (113) with valve body (111) junction, pneumatic valve (112) pass through cylindric lock (113) fixed connection with valve body (111), one side outside that valve body (111) were kept away from in pneumatic valve (112) is equipped with and connects air cock seat (114), it is equipped with rotary switch (115) to connect air cock seat (114) outside.

6. The multi-function pneumatic grinder as set forth in claim 3, wherein: the grinding wheel grinding head (9) is provided with a threaded hole type grinding wheel grinding head (9) and a handle type grinding wheel grinding head (9).

7. The multi-function pneumatic grinder as claimed in claim 5, wherein: the fixed locating pin (12) that is equipped with in valve body (111) one side top, the one end that valve body (111) were kept away from in locating pin (12) extends to cylinder (2) inside and with cylinder (2) fixed connection.

8. The multi-function pneumatic grinder as claimed in claim 1, wherein: and a connecting sleeve (13) is arranged at the joint of the rotor (3) and the rotating shaft (4), and two sides of the connecting sleeve (13) are respectively contacted with the cylinder (2) and the rolling bearing (5).