CN216919948U

CN216919948U - Saw blade blocking cover of cutting machine

Info

Publication number: CN216919948U
Application number: CN202220432029.7U
Authority: CN
Inventors: 陈立文; 张瑾; 周哲; 孙广江
Original assignee: SHANDONG ROADWAY CONSTRUCTION MACHINERY MANUFACTURING CO LTD
Current assignee: SHANDONG ROADWAY CONSTRUCTION MACHINERY MANUFACTURING CO LTD
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-08
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to a cutting machine saw blade shield, which belongs to the field of road surface cutting machines and comprises a shield body with an open lower part and a dust outlet, wherein the shield body is covered above a saw blade, the shield body is provided with the dust outlet, and the dust outlet is positioned on a splashing path of splashed dust in the shield body during cutting operation of the cutting saw blade; the bottom of the front cover plate is provided with an arc surface part with a downward arc surface, and one end of the arc surface part, which is close to the saw blade, is provided with a notch; according to the utility model, through the notch arranged at one end of the arc surface part at the bottom of the front cover plate close to the saw blade, the problem that dust generated by cutting leaks out from the bottom of the arc surface part in the front cover plate provided with the arc surface part at the bottom can be effectively solved.

Description

Saw blade blocking cover of cutting machine

Technical Field

The utility model relates to the field of pavement cutting machines, in particular to a saw blade blocking cover of a cutting machine.

Background

The utility model discloses a have the road surface cutting machine who adds dust collector among the prior art, utility model patent for application number 2020220593621 discloses a dust absorption formula road surface cutting machine promptly, it includes the frame, the cutting saw bit, be used for drive cutting saw bit pivoted drive arrangement, fan impeller and rose box, the filter core is equipped with in the rose box, it has the air exit that is linked together with the filter core export to open on the rose box, the cutting saw bit is covered with the saw cover, it has a dust outlet to cover to open on the saw, dust outlet gets rid of the sweeps that splashes when being located cutting saw bit cutting operation gets rid of the dirt bits and gets rid of on the route of splashing in the saw cover, this dust outlet's position sets up makes the cutting saw bit get rid of the dirt bits that spatters and can directly carry to the rose box through the dust outlet. However, a part of the dust leaks out from the front side of the saw cover. Under the circumstance, a front cover plate capable of floating up and down needs to be additionally arranged on the front side of the saw cover to block the dust, and in the working process of the cutting machine, as the whole body is in a moving state, if the front cover plate is in a conventional plate type structure, the front cover plate is easy to clamp and pause due to contact with the ground in the moving process, therefore, the problem can be solved by changing the shape of the bottom end of the front cover plate, for example, the problem can be effectively improved by arranging the bottom end of the front cover plate to be in a cambered surface structure. Meanwhile, a new technical problem occurs, the cambered surface structure has a tendency of warping towards the direction of the cutting saw blade when viewed from the vertical direction, and a part of dust can leak out through the bottom of the cambered section, namely the bottom of the front cover plate in the dust collection process due to the existence of the cambered surface structure, so that the problem that the front cover plate is easy to block in the movement process can be solved, but the problem that the dust leaks out through the bottom of the cambered surface structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the dust collection effect is influenced by the leakage of dust through the bottom arc surface section of the front cover plate.

The technical scheme for solving the technical problems is as follows: a cutting machine saw blade shield comprises a shield body with an open lower part and used for covering the upper part of a saw blade, wherein a dust outlet is formed in the shield body and is positioned on a splashing path of splashed dust in the shield body during cutting operation of the cutting saw blade; the bottom of the front cover plate is provided with an arc surface part with a downward arc surface, and one end of the arc surface part, which is close to the saw blade, is provided with a notch.

Furthermore, the direction of the notch is the same as the cutting direction of the saw blade.

Further, the opening is opened to the bottommost end of the cambered surface portion.

Furthermore, the front cover plate is arranged on the rear side of the front end of the shield body, a front guide plate is arranged on the front side of the shield body, a guide block is arranged between the front guide plate and the shield body, the front guide plate is fixedly connected with the shield body and clamps the guide block between the front guide plate and the shield body, and the guide block is fixedly connected with the front cover plate and can move up and down between the front guide plate and the shield body.

Furthermore, the front end face of the shield body is provided with a sliding groove I, and the front shield plate penetrates through the sliding groove I through a connecting piece to be fixedly connected with the guide block.

Furthermore, a sliding groove II is formed in the front guide plate, and a gap for accommodating the guide block is formed between the front guide plate and the shield body; the guide block comprises a guide carrier, a first rolling part which is arranged on the guide carrier and is matched with the sliding groove II, and a second rolling part which is arranged on the end surfaces of the two sides of the guide carrier and is matched with the gap; the first rolling part and the second rolling part are both rotationally connected with the guide carrier.

Furthermore, side plates are arranged on two sides of the front cover plate.

The side cover plate is symmetrically arranged at an opening at the lower part of the shield body, sliding grooves III with preset quantity are formed in the side cover plate, limiting bolts used for buckling the cover plates on two sides on the shield body penetrate through the sliding grooves III, and the sliding grooves III can be hung on screws of the limiting bolts in a vertically sliding mode.

The utility model has the beneficial effects that: according to the utility model, the front cover plate provided with the bottom arc surface part is provided with the notch at one end close to the saw blade, and the notch is opened to the bottommost end of the arc surface part, so that the problem that dust generated by cutting leaks out from the bottom of the arc surface part in the front cover plate provided with the bottom arc surface part can be effectively solved.

Drawings

FIG. 1 is a schematic diagram of the internal structure of an embodiment of the present invention;

FIG. 2 is an external structural view of an embodiment of the present invention;

FIG. 3 is a schematic illustration of an explosive structure according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a front cover plate according to the present invention;

FIG. 5 is a schematic perspective view of the arc surface part of the present invention

In the figure: 1. the dust-proof shield comprises a shield body, 11 sliding grooves I, 2 dust outlets, 3 front shield plates, 31 connecting pieces, 4 arc-shaped face portions, 5 openings, 6 front guide plates, 61 sliding grooves II, 7 guide blocks, 71 guide carriers, 72 first rolling pieces, 73 second rolling pieces, 8 side plates, 9 side shield plates, 91 sliding grooves III and 92 limiting bolts.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model.

As shown in fig. 1-4, the cutting machine saw blade shield of the present embodiment includes a shield body 1 with an open lower portion for covering above the saw blade, the shield body 1 is provided with a dust outlet 2, and the dust outlet 2 is located on a splashing path of dust splashed by the cutting machine saw blade during cutting operation in the shield body 1;

the cutting machine saw blade shield also comprises a front shield plate 3, the front shield plate 3 is arranged at the front part close to the shield body 1, and the front shield plate 3 is connected with the shield body 1 and can move up and down in the vertical direction; the bottom of the front cover plate 3 is provided with an arc surface part 4 with a downward arc surface, one end of the arc surface part 4, which is close to the saw blade, is provided with an opening 5, the direction of the opening 5 is the same as the cutting direction of the saw blade, and the opening 5 is opened to the bottommost end of the arc surface part 4, namely the position of a tangent point when the arc surface part 4 is contacted with the ground.

This embodiment is applied to road surface cutting machine, need connect the subassembly etc. that induced drafts of peripheral hardware when using, wherein the subassembly that induced drafts is linked together with dust outlet 2 for the dust bits that produce when cutting saw bit cutting operation are carried to other parts of road surface cutting machine such as rose box through dust outlet 2. Through the setting of specific position opening 5, provide certain displacement space for the cutting route of saw bit on the one hand, above all in addition, the addding of opening 5 can effectively avoid the dirt bits to spill via the bottom of this cambered surface portion to make the dirt bits smoothly discharge by dust outlet 2.

Specifically, the connection relationship of the cowl panel 3 of the present embodiment is as follows: the front cover plate 3 is arranged on the rear side of the front end of the shield body 1, the front side of the shield body 1 is provided with a front guide plate 6, a guide block 7 is arranged between the front guide plate 6 and the shield body 1, the front guide plate 6 is fixedly connected with the shield body 1 and clamps the guide block 7 between the front guide plate 6 and the shield body 1, and the guide block 7 is fixedly connected with the front cover plate 3 and can move up and down between the front guide plate 6 and the shield body 1. The front end face of the shield body 1 is provided with a sliding groove I11, and the front shield plate 3 penetrates through the sliding groove I11 through a connecting piece 31 to be fixedly connected with the guide block 7. A sliding groove II 61 is formed in the front guide plate 6, and a gap for accommodating the guide block 7 is formed between the front guide plate 6 and the shield body 1; the guide block 7 comprises a guide carrier 71, a first rolling part 72 which is arranged on the guide carrier 71 and is matched with the sliding groove II 61, and second rolling parts 73 which are arranged on the end surfaces of the two sides of the guide carrier 71 and are matched with the gap; the first rolling member 72 and the second rolling member 73 are rotatably connected to the guide carrier 71.

Through this relation of connection, can realize the stable connection of cowl and fender cover body, avoid the cowl card that leads to because of connection structure to pause.

Further, the cowl panel 3 of the present embodiment is further provided with side plates 8 on both sides thereof as barriers in both side directions of the cowl panel.

In addition, this embodiment still includes the symmetry and sets up the side cover plate 9 in keeping off the uncovered department in the lower part of cover body 1, and it has III 91 of spout of default quantity to open on the side cover plate 9, and it has the spacing bolt 92 that is used for detaining both sides cover plate 9 on keeping off cover body 1 to pass in the spout III 91, spout III 91 hangs on the screw rod of spacing bolt 92 in the upper and lower slidable. The two side cover plates 9 are mainly used for protecting the saw blade, and in addition, a part of dust can be prevented from being discharged from two sides of the saw blade to a certain degree.

Claims

1. A cutting machine saw blade blocking cover comprises a blocking cover body (1) which is used for covering an opening at the lower part above a saw blade, wherein a dust outlet (2) is formed in the blocking cover body (1), the dust outlet (2) is positioned on a splashing path of splashed dust in the blocking cover body (1) when the cutting saw blade is cut, the cutting machine saw blade blocking cover is characterized by further comprising a front cover plate (3), the front cover plate (3) is arranged at the front part close to the blocking cover body (1), and the front cover plate (3) is connected with the blocking cover body (1) and can move up and down in the vertical direction; the bottom of the front cover plate (3) is provided with an arc surface part (4) with a downward arc surface, and one end, close to the saw blade, of the arc surface part (4) is provided with a notch (5).

2. The saw blade guard of cutting machines according to claim 1, characterized in that the direction of the gap (5) is the same as the cutting direction of the saw blade.

3. The saw blade guard of a cutting machine according to claim 1 or 2, characterized in that the notch (5) opens to the lowermost end of the curved surface portion (4).

4. The cutting machine saw blade shield according to claim 1, characterized in that the front shield plate (3) is arranged at the rear side of the front end of the shield body (1), the front side of the shield body (1) is provided with a front guide plate (6), a guide block (7) is arranged between the front guide plate (6) and the shield body (1), the front guide plate (6) is fixedly connected with the shield body (1) and clamps the guide block (7) between the front guide plate (6) and the shield body (1), and the guide block (7) is fixedly connected with the front shield plate (3) and can move up and down between the front guide plate (6) and the shield body (1).

5. The cutting machine saw blade cover according to claim 4, characterized in that the front end surface of the cover body (1) is provided with a chute I (11), and the front cover plate (3) is fixedly connected with the guide block (7) through a connecting piece penetrating through the chute I (11).

6. The saw blade guard of the cutting machine according to claim 4, characterized in that the front guide plate (6) is provided with a sliding groove II (61), and a gap for accommodating the guide block (7) is formed between the front guide plate (6) and the guard body (1); the guide block (7) comprises a guide carrier (71), a first rolling piece (72) which is arranged on the guide carrier (71) and is matched with the sliding groove II (61), and second rolling pieces (73) which are arranged on the end surfaces of the two sides of the guide carrier (71) and are matched with the gap; the first rolling member (72) and the second rolling member (73) are both rotatably connected with the guide carrier (71).

7. The saw blade fence of a cutting machine according to claim 1, characterized in that the front cover plate (3) is also provided with side plates (8) on both sides.

8. The cutting machine saw blade shield cover according to claim 1, characterized by further comprising side cover plates (9) symmetrically arranged at the lower opening of the shield cover body (1), wherein a preset number of sliding grooves III (91) are formed in the side cover plates (9), limit bolts (92) used for buckling the two side cover plates (9) on the shield cover body (1) penetrate through the sliding grooves III (91), and the sliding grooves III (91) are hung on screws of the limit bolts (92) in a vertically sliding manner.