阅读说明：本技术 一种装有减震装置的锯片 (Saw blade with damping device ) 是由 平春明 于 2020-11-27 设计创作，主要内容包括：本发明公开了一种装有减震装置的锯片,包括锯片本体和至少两片弧形锯条,各弧形锯条之间均留有缺口,缺口中设置有链接件,各弧形锯条通过连接件串联构成链式结构,锯片本体位于各缺口处分别设置有弹片,弹片与对应缺口之间设有一条引流槽,引流槽的槽口位于缺口处,引流槽的槽道为从弹片处至槽口处呈逐步下降趋势的坡道,本发明通过在锯片本体位于各缺口位置设置弹片以及在弹片和缺口之间设置引流槽,能够通过弹片的快速震动达到减震的作用。(The invention discloses a saw blade with a damping device, which comprises a saw blade body and at least two arc-shaped saw blades, wherein gaps are reserved between the arc-shaped saw blades, a linking piece is arranged in each gap, the arc-shaped saw blades are connected in series through a connecting piece to form a chain structure, an elastic sheet is arranged at each gap of the saw blade body, a drainage groove is arranged between each elastic sheet and the corresponding gap, the notch of the drainage groove is positioned at the gap, and the channel of the drainage groove is a ramp which gradually descends from the elastic sheet to the notch.)

1. A saw blade equipped with a damping device, which is a circular saw blade assembled for use in an electric saw device, the circular saw blade comprising: a saw blade body, at least two arc saw blades, a plurality of screws and a plurality of spring plates, wherein,

the saw blade body can be fixed on the electric saw device and driven by the electric saw device to rotate, the saw blade body is in a circular sheet shape, the circumferential surface of the saw blade body is provided with a circle of groove extending along the circumference, a plurality of concave parts are arranged in the groove, the surface wall of each concave part is provided with a screw hole,

the outer edge of each arc-shaped saw blade is provided with sawteeth, the arc-shaped saw blades can be spliced with each other to form a complete ring shape, the inner edge of each arc-shaped saw blade is provided with a lug extending along the inner edge, the lug can be inserted into a groove of the saw blade body, the inner edge of the lug is provided with at least one convex part, the convex part can be matched with a concave part in the groove, a through hole which is coincident with a screw hole on the concave part is arranged in the convex part, and the screw hole penetrates through the screw hole and the through hole to fix the arc-shaped saw blade and the saw blade,

gaps are reserved among the arc-shaped saw blades, a link element is arranged in each gap, the arc-shaped saw blades are connected in series through a connecting piece to form a chain structure, the link element is a hinge, the hinge comprises a hinge shaft and two groups of rotating arms which rotate on the hinge shaft mutually, and the end part of each group of rotating arms is welded and fixed with the corresponding arc-shaped saw blade;

adjacent surfaces between the head arc-shaped saw blade and the tail arc-shaped saw blade in the chain structure are mutually attached to form a seam, a connecting plate for bridging the seam is arranged on the side surfaces of the head arc-shaped saw blade and the tail arc-shaped saw blade, and second screws fixedly connected with the head arc-shaped saw blade and the tail arc-shaped saw blade are respectively arranged at two ends of the connecting plate;

the saw bit body is located each breach department and is provided with the shell fragment respectively, and the shell fragment is equipped with a drainage groove with corresponding between the breach, and the notch in drainage groove is located breach department, and the channel in drainage groove is for following the decline ramp that shell fragment department extended to notch department.

2. The saw blade with a shock-absorbing device as set forth in claim 1, wherein a mounting hole for fixing to an electric saw device is provided at a middle portion of the blade body.

3. The saw blade with a shock absorbing device as set forth in claim 1, wherein said hinge is made of aluminum alloy.

4. The saw blade with a shock absorbing device as set forth in claim 1, wherein the tip of said screw protrudes from the blade body by a length of 0.5 mm.

5. The saw blade with a shock absorbing device as set forth in claim 1, wherein the screw holes of the blade body on the face walls on both sides of the recess are countersunk holes protruding toward the inside of the groove, and when the convex portion of the arc-shaped saw blade is inserted into the recess, the protruding portions of the two countersunk holes are sunk into the screw holes in the convex portion.

6. The saw blade with the damping device as claimed in claim 1, wherein one end of the striking plate is connected to the saw blade, and the other end of the striking plate is tilted at an angle of 45 ︒ -75 ︒.

Technical Field

The invention relates to the field of hardware, in particular to a saw blade with a damping device.

Background

Saw blades are a general term for thin circular cutters used to cut solid materials. The saw blade can be divided into: a diamond saw blade for stone cutting; a high-speed steel saw blade (without a cemented carbide bit) for cutting metal materials; the hard alloy saw blade is used for cutting solid wood, furniture, artificial boards, aluminum alloy, aluminum profiles, radiators, plastics, plastic steel and the like.

Cut apart into a plurality of arc saw bits through circular saw bit among the prior art, then install a plurality of arc saw bits respectively on the saw bit body, thereby reach the effect of being convenient for change and saving consumptive material, but because of arc saw bit is not firm enough with being connected of saw bit body, consequently cause the arc saw bit to separate from the saw bit body easily in the course of the work, the safety to personnel and machine has all constituted hidden danger, consequently, establish ties each arc saw bit in order to solve the mode that above-mentioned problem accessible was linked, thereby solve the problem that splashes, but the connecting piece has led to the fact the breach to exist between a plurality of arc saw bits at the in-process of establishing ties, breach position disturbance air can cause the saw bit vibrations in cutting process, consequently how the shock attenuation is the technical problem that needs to.

Disclosure of Invention

Aiming at the problems, the invention provides a saw blade with a damping device, which has the following specific scheme:

a saw blade equipped with a damping device, which is a circular saw blade assembled for use in an electric saw device, the circular saw blade comprising: a saw blade body, at least two arc saw blades and a plurality of screws, wherein,

the saw blade body can be fixed on the electric saw device and driven by the electric saw device to rotate, the saw blade body is in a circular sheet shape, the circumferential surface of the saw blade body is provided with a circle of groove extending along the circumference, a plurality of concave parts are arranged in the groove, the surface wall of each concave part is provided with a screw hole,

the outer edge of each arc-shaped saw blade is provided with sawteeth, the arc-shaped saw blades can be spliced with each other to form a complete ring shape, the inner edge of each arc-shaped saw blade is provided with a lug extending along the inner edge, the lug can be inserted into a groove of the saw blade body, the inner edge of the lug is provided with at least one convex part, the convex part can be matched with a concave part in the groove, a through hole which is coincident with a screw hole on the concave part is arranged in the convex part, and the screw hole penetrates through the screw hole and the through hole to fix the arc-shaped saw blade and the saw blade,

gaps are reserved among the arc-shaped saw blades, a link element is arranged in each gap, the arc-shaped saw blades are connected in series through a connecting piece to form a chain structure, the link element is a hinge, the hinge comprises a hinge shaft and two groups of rotating arms which rotate on the hinge shaft mutually, and the end part of each group of rotating arms is welded and fixed with the corresponding arc-shaped saw blade;

adjacent surfaces between the head arc-shaped saw blade and the tail arc-shaped saw blade in the chain structure are mutually attached to form a seam, a connecting plate for bridging the seam is arranged on the side surfaces of the head arc-shaped saw blade and the tail arc-shaped saw blade, and second screws fixedly connected with the head arc-shaped saw blade and the tail arc-shaped saw blade are respectively arranged at two ends of the connecting plate;

the saw bit body is located each breach department and is provided with the shell fragment respectively, and the shell fragment is equipped with a drainage groove with corresponding between the breach, and the notch in drainage groove is located breach department, and the channel in drainage groove is for following the decline ramp that shell fragment department extended to notch department.

Furthermore, the middle part of the saw blade body is provided with a mounting hole for fixing on the electric saw device.

Further, the hinge is made of aluminum alloy.

Further, the end of the screw protrudes out of the blade body by a length of 0.5 mm.

Further, the screw holes on the surface walls of the saw blade body on two sides of the concave part are all countersunk holes protruding towards the inner part of the groove, and when the convex part of the arc-shaped saw blade is inserted into the concave part, the protruding parts of the two countersunk holes sink into the screw holes in the convex part.

Furthermore, one end of the elastic sheet is connected with the saw blade, the other end of the elastic sheet is tilted, and the tilting angle is 45 ︒ -75 ︒.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the elastic sheets are arranged at the positions of the gaps of the saw blade body, and the drainage grooves are arranged between the elastic sheets and the gaps, so that the damping effect can be achieved through the quick vibration of the elastic sheets.

2. The channel provided with the drainage groove is a descending ramp extending from the elastic sheet to the notch, and the ramp plays a role in guiding the airflow direction from horizontal forward to inclined upward, so that the elastic sheet continuously tilts and falls, the vibration amplitude of the elastic sheet is improved, and the shock absorption effect is achieved.

3. The invention further improves the connection strength through the screw holes in the convex part at the clamping part of the two counter bores which protrude inwards.

4. The invention is connected through the hinge, and has the advantage of firm connection between the arc-connecting saw blades.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a block diagram of a connection location;

FIG. 3 is a block diagram of the insertion between the groove and the tab.

FIG. 4 is a front view of the spring plate;

fig. 5 is a side view of fig. 4.

Reference numerals:

1. a saw blade body; 2. an arc saw blade; 3. a head arc saw blade; 4. a tail arc saw blade; 5. a trench; 6. a recess; 7. a screw hole; 71. a screw; 8. a tab; 9. a convex portion; 91. perforating; 10. a link; 11. a hinge axis; 12. a rotating arm; 13. seaming; 14. connecting a plate; 15. a second screw; 16. a notch; 18. a drainage groove; 19. an elastic sheet.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

A saw blade equipped with a damping device, which is a circular saw blade assembled for use in an electric saw device, the circular saw blade comprising: a saw blade body 1, at least two arc saw blades 2, and a plurality of screws 71, wherein,

the saw blade body 1 can be fixed on an electric saw device and driven by the electric saw device to rotate, a mounting hole for fixing the saw blade body 1 on the electric saw device is arranged in the middle of the saw blade body 1, the saw blade body 1 is in a circular sheet shape, a circle of groove 5 extending along the circumference is arranged on the circumference surface of the saw blade body, a plurality of concave parts 6 are arranged in the groove 5, a screw hole 7 is arranged on the surface wall of each concave part 6,

the outer edge of each arc saw blade 2 is provided with sawteeth, and each arc saw blade 2 can be spliced with each other to form a complete ring shape, the inner edge of the arc-shaped saw blade 2 is provided with a lug 8 extending along the inner edge, the lug 8 can be inserted into the groove 5 of the saw blade body 1, the inner edge of the lug 8 is provided with at least one convex part 9, the convex part 9 can be matched with the concave part 6 in the groove 5, a through hole 91 which is matched with the screw hole 7 on the concave part 6 is arranged in the convex part 9, the screw hole 7 passes through the screw hole 7 and the through hole 91 to fix the arc-shaped saw blade 2 with the saw blade body 1, the tail end of the screw 71 protrudes out of the saw blade body 1 by 0.5mm, the screw holes 7 on the surface walls of the saw blade body 1 at the two sides of the concave part 6 are all counter bores protruding towards the inner part of the groove 5, when the convex portion 9 of the arc-shaped saw blade 2 is inserted into the concave portion 6, the convex portions of the two counter bores are sunk into the screw holes 7 in the convex portion 9.

Gaps 16 are reserved among the arc-shaped saw blades 2, a connecting piece 10 is arranged in each gap 16, the arc-shaped saw blades 2 are connected in series through a connecting piece to form a chain structure, the connecting piece 10 is a hinge, the hinge is made of aluminum alloy and comprises a hinge shaft 11 and two groups of rotating arms 12 which rotate on the hinge shaft 11 mutually, and the end part of each group of rotating arms 12 is welded and fixed with the corresponding arc-shaped saw blade 2;

adjacent surfaces between the head arc-shaped saw blade 3 and the tail arc-shaped saw blade 4 in the chain structure are mutually attached to form a seam 13, a connecting plate 14 spanning the seam 13 is arranged on the side surfaces of the head arc-shaped saw blade 3 and the tail arc-shaped saw blade 4, and second screws 15 fixedly connected with the head arc-shaped saw blade 3 and the tail arc-shaped saw blade 4 are respectively arranged at two ends of the connecting plate 14;

the position of the saw blade body 1 at each notch 16 is provided with an elastic sheet 19, a drainage groove 18 is arranged between the elastic sheet 19 and the corresponding notch 16, the notch of the drainage groove 18 is positioned at the notch 16, and the channel of the drainage groove 18 is a descending ramp extending from the position of the elastic sheet 19 to the position of the notch. One end of the elastic sheet 19 is connected with the saw blade, the other end of the elastic sheet 19 is tilted, and the tilting angle is 45 ︒ -75 ︒.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.