CN215999983U

CN215999983U - Protective device of abrasive wheel cutting machine

Info

Publication number: CN215999983U
Application number: CN202122056015.8U
Authority: CN
Inventors: 斯小富; 夏岁稔
Original assignee: Hubei Xinfuan Precision Technology Co ltd
Current assignee: Hubei Xinfuan Precision Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-11
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to the technical field of cutting machine processing, and discloses a protective device of a grinding wheel cutting machine, which comprises a protective cover, wherein the protective cover comprises an inner protective cover and an outer protective cover, the inner protective cover comprises a first arc-shaped circumferential plate, a sliding groove is formed in the first arc-shaped circumferential plate, the arc-shaped edges at two sides of the first arc-shaped circumferential plate are fixedly connected with the first arc-shaped plate in parallel, the outer protective cover is sleeved outside the inner protective cover and rotatably connected with the arc-shaped plate of the inner protective cover in a circle center manner, the outer protective cover comprises a second arc-shaped circumferential plate and a second arc-shaped plate, a locking assembly is fixedly arranged on the second arc-shaped circumferential plate and comprises a cam deflector rod clamped in the sliding groove in a sliding manner, one end of the first arc-shaped circumferential plate is detachably connected with an ash discharge pipe, and the ash discharge pipe is communicated with the first arc-shaped circumferential plate, and the protective device has the following advantages and effects: through setting up the outer shield and slide on the inner shield, conveniently adjust the protection area of whole protection casing to the grinding wheel, improve the security performance.

Description

Protective device of abrasive wheel cutting machine

Technical Field

The utility model relates to the technical field of cutting machines, in particular to a protective device of a grinding wheel cutting machine.

Background

The grinding wheel is a bonded grinding tool with certain strength, and is a bonded grinding tool with certain shape (mostly circular, through hole in the center) formed by bonding ordinary grinding materials, and the grinding wheel is the one with the largest usage amount and the widest usage surface in the grinding tool, and can rotate at high speed when in use, and can perform coarse grinding, semi-fine grinding, slotting, cutting and the like on the excircle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece.

Chinese patent with publication number CN206643747U discloses a protector of abrasive wheel cutting machine, including base, the fuselage that sets up with the base is articulated and rotate the abrasive wheel that sets up on the fuselage, be equipped with on the fuselage and cover and establish the abrasive wheel and the shape is half annular protection casing, the protection casing is kept away from base and is extended with fuselage articulated one side and has the extension cover that the abrasive wheel was established to the cover, the extension cover sets up on the protection casing along the reciprocating sliding of the rotation route of abrasive wheel, it drives the connecting piece that the protection casing moved to one side of the base dorsad to extend to be connected with between cover and the base when the abrasive wheel moved towards the base.

However, the utility model has the following problems: the extension cover is arranged on the protective cover to increase the coverage area of the grinding wheel, the exposed area of the protective cover is adjusted by the connecting rope, the stability of the mode is poor, the safety is low, residues are not treated when cutting, and the pollution and the body health are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective device of a grinding wheel cutting machine, which has the advantages of simple and convenient operation, high safety performance and good dust removal effect.

The technical purpose of the utility model is realized by the following technical scheme: the novel dust removal device comprises a protective cover, the protective cover comprises an inner protective cover and an outer protective cover, the inner protective cover comprises a first arc-shaped circumferential plate, a sliding groove is formed in the first arc-shaped circumferential plate, a first arc-shaped plate which is parallel to the first arc-shaped edge is fixedly connected with the arc-shaped edges of the two sides of the first arc-shaped circumferential plate, the outer protective cover is sleeved outside the inner protective cover and rotatably connected with the same circle center of the arc-shaped plate of the inner protective cover, the outer protective cover comprises a second arc-shaped circumferential plate and a second arc-shaped plate, a locking assembly is fixedly arranged on the second arc-shaped circumferential plate and comprises a cam driving lever which is slidably clamped in the sliding groove, an ash discharge pipe can be detachably connected to one end of the first arc-shaped circumferential plate, and the ash discharge pipe is communicated with the first arc-shaped circumferential plate.

The utility model is further provided with: the locking assembly further comprises a supporting arc plate, a pressing block, a connecting rod and a convex block, wherein the supporting arc plate is sleeved on two ends of the arc-shaped circumferential plate, the two ends of the arc-shaped circumferential plate are fixed on the second arc plate, the connecting rod is fixed in the supporting arc plate, a groove is formed in the concave part below the two ends of the connecting rod, the other end of the groove is connected with the convex block protruding upwards at the two ends of the pressing block respectively in a clamped mode, the pressing block is connected in the sliding groove in a sliding mode, the cam driving lever is connected to the connecting rod in a rotating mode, and the cam driving lever is abutted to the pressing block.

The utility model is further provided with: the tail end of the cam driving lever is provided with a clamping groove, an elastic ring is fixed on the side face of the supporting arc plate, and the elastic ring is detachably connected with the clamping groove.

The utility model is further provided with: the ash discharging pipe is T-shaped and comprises a transverse pipe and a vertical pipe which are communicated, a filter screen is arranged in the transverse pipe, and an obtuse angle is formed between the filter screen and one end, far away from the protective cover, of the vertical pipe in the cross section of the ash discharging pipe.

The utility model is further provided with: one end of the transverse pipe is in threaded connection with the arc-shaped circumferential plate, the other end of the transverse pipe is connected with an external dust collection device, and the vertical pipe is connected with an external dust collection groove through a pipeline.

The utility model is further provided with: the circumferential angle of the outer shield is greater than the circumferential angle of the inner shield.

The utility model is further provided with: the first arc-shaped circumferential plate and the second arc-shaped circumferential plate are arranged in a hollow mode, glass wool is arranged in the hollow mode, and self-cleaning coatings are arranged on the inner walls of the inner protective cover and the outer protective cover.

The utility model has the beneficial effects that:

1. the protection casing divide into interior guard shield and outer guard shield, is provided with the spout in the interior guard shield, and the outer guard shield slides on the spout, conveniently adjusts the protection area of whole protection casing to the grinding wheel, and the piece or the electric arc that produce when the protection casing can block the grinding wheel cutting avoids piece and electric arc to cause the injury to the human body, and the security is higher.

2. Be provided with the locking subassembly in two one ends of arc circumference board, when the angle that suitable cutting and sheltered from is adjusted to the outer guard, make the cam driving lever push down the briquetting through stirring the cam driving lever among the locking subassembly, through with the elastic coil joint in the draw-in groove of cam driving lever tail end, the briquetting is hugged closely in the spout, the outer guard is confirmed in the protection casing angle that the inner guard formed, whole device stability is good during the later stage cutting, the security is high, only need stir the contact condition of cam driving lever adjustment briquetting and spout, can adjust the protection casing angle that outer guard and inner guard constitute, easy operation is swift.

3. Have the ash pipe at one end threaded connection of arc circumference board one, violently manage and the standpipe including the intercommunication, violently manage one end and an arc circumference board threaded connection, the other end is connected with outside dust extraction, the standpipe passes through the pipeline and is connected with outside ash collecting groove, violently be provided with the filter screen in the pipe, the one end that the protection casing was kept away from to filter screen and standpipe in the cross section of ash pipe is the obtuse angle, the disintegrating slag that produces like this when the cutting of grinding wheel piece, the dust can be siphoned away, separate out from the standpipe under the obstruction of filter screen, reduce environmental pollution and the injury of dust to the human body when avoiding in disorder to fly to harm the workman through the dust absorption.

4. All be provided with the glass cotton in arc circumference board one and arc circumference board two insides, can be used for the amortization, the environmental protection is fallen and is fallen the noise, and the inner wall of guard shield and outer shroud is provided with self-cleaning layer including simultaneously, avoids long-time work back protection casing dust accumulation, ensures that the outer shroud can normally rotate the life of extension fixture.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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

Fig. 2 is a schematic cross-sectional view of the present invention.

FIG. 3 is an enlarged view of the utility model at A.

In the figure, 1, an inner shield; 11. a first arc-shaped circumferential plate; 12. a first arc plate; 13. a chute; 2. an outer shroud; 21. a second arc-shaped circumferential plate; 22. a second arc-shaped plate; 3. a locking assembly; 31. supporting the arc plate; 32. a cam deflector rod; 33. briquetting; 34. a connecting rod; 35. a bump; 36. an elastic ring; 4. an ash discharging pipe; 41. a transverse tube; 42. a vertical tube; 43. a filter screen; 44. threads 5, glass wool; 6. and (4) self-cleaning the coating.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

In the embodiment, as shown in fig. 1, a protecting device of a grinding wheel cutting machine comprises an inner protecting cover 1 and an outer protecting cover 2, wherein the inner protecting cover 1 comprises a first arc-shaped circumferential plate 11, a chute 13 is arranged on the first arc-shaped circumferential plate 11, two parallel first arc-shaped plates 12 are fixedly connected to arc edges at two sides of the first arc-shaped circumferential plate, the outer protecting cover 2 comprises a second arc-shaped circumferential plate 21 and a second arc-shaped plate 22, the outer protecting cover 2 is sleeved outside the inner protecting cover 1 and rotatably connected with the first arc-shaped plates 12 of the inner protecting cover 1 in a concentric manner, the circumferential angle of the outer protecting cover 2 is larger than that of the inner protecting cover 1, debris and electric arcs generated during cutting are blocked as much as possible, the safety performance is improved, the first arc-shaped circumferential plate 11 and the second arc-shaped circumferential plate 21 of the outer protecting cover 2 are arranged in a hollow manner, glass wool 5 is arranged in the hollow manner, self-cleaning coatings 6 are arranged on the inner walls of the inner protecting cover 1 and the outer protecting cover 2, glass wool 5 is arranged inside the first arc-shaped circumferential plate 11 and the second arc-shaped circumferential plate 21, can be used to the amortization, the environmental protection is fallen and is made an uproar, including the inner wall of guard shield 1 and outer shroud 2 be provided with self-cleaning layer simultaneously, avoids long-time work back guard shield dust accumulation, ensures that outer shroud 2 can normally rotate the life of extension fixture.

As shown in fig. 2-3, a locking assembly 3 is fixed on the second arc-shaped circumferential plate 21, the locking assembly 3 includes a supporting arc plate 31, a cam shift lever 32, a pressing block 33, a connecting rod 34 and a protrusion 35, the supporting arc plate 31 is sleeved on one end of the second arc-shaped circumferential plate 21, and both ends of the supporting arc plate are fixed on the second arc-shaped plate 22, the connecting rod 34 is fixed in the arc end of the supporting arc plate 31, grooves are concavely arranged below both ends of the connecting rod 34, the other ends of the two grooves are respectively clamped with the protrusion 35 protruding upwards at both ends of the pressing block 33, the pressing block 33 is slidably connected in the sliding groove 13, the cam shift lever 32 is rotatably connected to the connecting rod 34, the cam shift lever 32 is abutted against the pressing block 33, a clamping groove is arranged at the tail end of the cam shift lever 32, an elastic ring 36 is fixed on the side surface of the supporting arc plate 31, the elastic ring 36 is clamped with the clamping groove, when the outer shield 2 is adjusted to a proper cutting and shielding angle, the cam shift lever 32 in the locking assembly 3 to make the cam shift lever 32 to press the pressing block 33 downwards, through in the draw-in groove with elastic coil joint at cam driving lever 32 tail end, briquetting 33 hugs closely in spout 13, and outer guard shield 2 is confirmed in the protection casing angle that inner shield 1 formed, and whole device stability is good during the later stage cutting, and the security is high, only needs to stir cam driving lever 32 and adjusts the contact condition of briquetting 33 and spout 13, can adjust the protection casing angle that outer guard shield 2 and inner shield 1 constitute, and easy operation is swift.

As shown in fig. 1-2, one end of the first arc-shaped circumferential plate 11 is detachably connected with an ash discharge pipe 4, the ash discharge pipe comprises a cross pipe 41 and a vertical pipe 42 which are communicated with each other, one end of the cross pipe 41 is in threaded connection with the first arc-shaped circumferential plate 11, the other end of the cross pipe is connected with an external dust suction device, the vertical pipe 42 is connected with an external ash collecting groove through a pipeline, a filter screen 43 is arranged in the cross pipe 41, an obtuse angle is formed between the filter screen 43 and one end, far away from a protective cover, of the vertical pipe 42 in the cross section of the ash discharge pipe 4, so that broken slag, dust and the like generated during cutting of a grinding wheel can be sucked away, the broken slag, the dust and the like can be separated from the vertical pipe 42 under the obstruction of the filter screen 43, and the environmental pollution and the damage of the workers to human bodies can be reduced by dust suction.

The working principle of the protective device of the abrasive wheel cutting machine is as follows:

separate elastic ring 36 from the draw-in groove in the cam driving lever 32, stir cam driving lever 32, it rises to drive briquetting 33, rotate outer shield 2, adjust to suitable angle, stir cam driving lever 32 once more, make cam driving lever 32 act on briquetting 33 hug closely with in spout 13, with the elastic ring 36 joint in the draw-in groove of cam driving lever 32 afterbody, the protective housing that outer shield 2 and interior guard shield 1 formed is fixed, whole device stability is good during the later stage cutting, the security is high, only need stir the contact condition of cam driving lever 32 adjustment briquetting 33 and spout 13, can adjust the protective housing angle that outer shield 2 and interior guard shield 1 constitute, easy operation is swift.

Connect ash pipe 4 on arc circumference board 11, violently pipe 41 other end is connected with outside dust extraction, standpipe 42 is connected with outside collection ash chute, start the cutting machine, the piece that produces during the cutting and dust are siphoned away under dust extraction's effect, and because be provided with filter screen 43 in violently pipe 41, filter screen 43 is the obtuse angle with the one end that the protection casing was kept away from to standpipe 42 in ash pipe 4's the cross section, impurity separates from standpipe 42 under the block of filter screen 43, deposit outside collection ash chute, reduce environmental pollution and the injury of dust to the human body when avoiding impurity in a confused state of flying the damage workman through the dust absorption, simultaneously because adjustable's protection casing, the protection area to the grinding wheel has been increased, the piece or the electric arc that the protection casing produced when can block the cutting of grinding wheel, avoid piece and electric arc to cause the injury to the human body, the security is higher.

Claims

1. The utility model provides a protector of abrasive wheel cutting machine which characterized in that: comprises a protective cover, the protective cover comprises an inner protective cover (1) and an outer protective cover (2), the inner shield (1) comprises a first arc-shaped circumferential plate (11), a sliding groove (13) is arranged on the first arc-shaped circumferential plate (11), the arc edges at the two sides of the arc circumferential plate are fixedly connected with two parallel arc plates I (12), the outer protective cover (2) is sleeved outside the inner protective cover (1) and is connected with the arc-shaped plate I (12) of the inner protective cover (1) in a concentric rotating way, the outer shield (2) comprises a second arc-shaped circumferential plate (21) and a second arc-shaped plate (22), a locking component (3) is fixed on the second arc-shaped circumferential plate (21), the locking component (3) comprises a cam deflector rod (32) which is clamped in the sliding groove (13) in a sliding way, one end of the first arc-shaped circumferential plate (11) is detachably connected with an ash discharge pipe (4), and the ash discharge pipe (4) is communicated with the first arc-shaped circumferential plate (11).

2. The guard for a wheel cutting machine according to claim 1, characterized in that: locking Assembly (3) are still including supporting arc board (31), briquetting (33), connecting rod (34) and lug (35), support arc board (31) cover and locate arc circumference board two (21) one end and both ends and be fixed in arc board two (22), support arc board (31) internal fixation has connecting rod (34), connecting rod (34) both ends below indent is provided with the recess, two the recess other end respectively with briquetting (33) both ends upwards bellied lug (35) joint, briquetting (33) sliding connection is in spout (13), cam driving lever (32) rotate to be connected on connecting rod (34), cam driving lever (32) and briquetting (33) are inconsistent.

3. The guard for a wheel cutting machine according to claim 2, characterized in that: the tail end of the cam driving lever (32) is provided with a clamping groove, an elastic ring (36) is fixed on the side surface of the supporting arc plate (31), and the elastic ring (36) is detachably connected with the clamping groove.

4. The guard for a wheel cutting machine according to claim 3, characterized in that: the ash discharging pipe (4) is T-shaped, the ash discharging pipe (4) comprises a transverse pipe (41) and a vertical pipe (42) which are communicated with each other, a filter screen (43) is arranged in the transverse pipe (41), and an obtuse angle is formed between the filter screen (43) and one end, far away from the protective cover, of the vertical pipe (42) in the cross section of the ash discharging pipe (4).

5. The guard device for a wheel cutting machine according to claim 4, characterized in that: one end of the transverse pipe (41) is connected with the first arc-shaped circumferential plate (11) through threads (44), the other end of the transverse pipe is connected with an external dust suction device, and the vertical pipe (42) is connected with an external dust collection groove through a pipeline.

6. The guard for a wheel cutting machine according to claim 1, characterized in that: the circumferential angle of the outer shield (2) is larger than that of the inner shield (1).

7. The guard for a wheel cutting machine according to claim 1, characterized in that: the first arc-shaped circumferential plate (11) and the second arc-shaped circumferential plate (21) are arranged in a hollow mode, glass wool (5) is arranged in the hollow mode, and self-cleaning coatings (6) are arranged on the inner walls of the inner protective cover (1) and the outer protective cover (2).