CN213796937U

CN213796937U - Saw blade convenient to replace

Info

Publication number: CN213796937U
Application number: CN202022166825.4U
Authority: CN
Inventors: 张邦兆
Original assignee: Shuyang Qiangwei Tools Co ltd
Current assignee: Shuyang Qiangwei Tools Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-27
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a saw bit convenient to change, including first knife rest and second knife rest, first mounting groove has been seted up to first knife rest radial outer wall, the constant head tank has been seted up to first mounting groove inner wall bottom, first mounting groove inner wall is provided with the sash, the through-hole has been seted up to sash radial outer wall fixedly connected with saw bit, and the sash upper end, the constant head tank is located under the through-hole, the second mounting groove has been seted up to second knife rest radial outer wall, second mounting groove inner wall is provided with the locating pin, the locating pin runs through the through-hole and extends to inside the constant head tank, V type groove has been seted up to first knife rest inside. The utility model discloses a mounting groove is fixed the saw bit inside the mounting groove, separates first knife rest and second knife rest when changing the saw bit to take out the saw bit from the mounting groove and change, solved through the technical problem that the screw fixation saw bit very expends time when changing, thereby the effectual speed that improves the saw bit and change.

Description

Saw blade convenient to replace

Technical Field

The utility model relates to a relevant technical field of saw bit specifically is a saw bit convenient to change.

Background

Staff need be sawed the bold bamboo wood into the fritter with convenient transportation when bamboo wood processing, wherein just need use the saw bit, cut apart the bamboo wood through sawtooth and bamboo wood friction, this in-process can produce wearing and tearing to the saw bit, just need change the saw bit when the saw bit wearing and tearing are serious, and it is fixed with the knife rest that the saw bit passes through the screw among the prior art, changes the saw bit and very consumes time, and the saw bit that is convenient for change that needs now urgently is in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a saw bit convenient to change to what put forward among the above-mentioned background art through the problem that the screw fixation saw bit very expends time when changing.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a saw bit convenient to change, includes first knife rest and second knife rest, first mounting groove has been seted up to the radial outer wall of first knife rest, the constant head tank has been seted up to first mounting groove inner wall bottom, first mounting groove inner wall is provided with the sash, the radial outer wall fixedly connected with saw bit of sash, and the sash upper end has seted up the through-hole, the constant head tank is located under the through-hole, the second mounting groove has been seted up to the radial outer wall of second knife rest, second mounting groove inner wall is provided with the locating pin, the locating pin runs through the through-hole and extends to inside the constant head tank.

Preferably, a V-shaped groove is formed in the first tool rest, a connecting column is arranged at one end, close to the first tool rest, of the second tool rest, the connecting column penetrates through the end face, close to the second tool rest, of the first tool rest and extends into the V-shaped groove, a connecting rod is arranged at one end, far away from the second tool rest, of the first tool rest and extends into the inner cavity of the first tool rest, a cross rod is fixedly connected to one end, located in the inner cavity of the first tool rest, of the connecting rod, the connecting rod is in sliding connection with the inner cavity of the first tool rest through the cross rod, a spring is sleeved on the radial outer wall of the connecting rod, one end of the spring is fixedly connected with the inner cavity of the first tool rest, the other end of the spring is fixedly connected with one end, close to the connecting rod, of the cross rod is fixedly connected with a support, the support penetrates through the inner cavity of the first tool rest and extends into the V-shaped groove, and a steel ball is arranged at one end, located in the V-shaped groove, of the support, and the outer walls of the three steel balls are attached to the radial outer wall of the connecting column.

Preferably, the saw blade and the saw frame are in the shape of a quarter circle.

Preferably, the circle centers of the top surfaces of the first tool rest and the second tool rest are provided with connecting holes for connecting a motor power transmission shaft.

Preferably, the diameter of the cross rod is 6 mm larger than that of the opening end of the inner cavity of the first cutter frame.

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

1. the utility model discloses, fix the saw bit inside the mounting groove through the mounting groove, separate first knife rest and second knife rest when changing the saw bit to take out the saw bit from the mounting groove and change, solved through the technical problem that the screw fixation saw bit very expends time when changing, thereby the effectual speed that improves the saw bit and change.

2. Through setting the saw bit to the quarter circular, install respectively inside four mounting grooves, when wherein certain saw bit damages, only need follow the saw bit that damages and trade, will not damage the part and together change the technical problem who causes the waste when effectual change saw bit, can effectually practice thrift the cost of changing the saw bit, the utilization saw bit of bigger degree.

Drawings

Fig. 1 is a schematic structural view of the first tool holder and the second tool holder cooperating in the embodiment of the present invention;

FIG. 2 is a schematic structural view of the mounting relationship of the saw blade according to the embodiment of the present invention;

FIG. 3 is a top view of a second tool holder in an embodiment of the invention;

FIG. 4 is a cross-sectional view of the connection of the first blade carrier and the second blade carrier in an embodiment of the present invention;

fig. 5 is a schematic structural view of a saw blade according to an embodiment of the present invention.

In the figure: 1. a saw blade; 2. a through hole; 3. a saw frame; 4. a first tool holder; 41. a connecting rod; 42. positioning a groove; 43. a V-shaped groove; 44. a cross bar; 45. a spring; 46. steel balls; 47. a support; 48. a first mounting groove; 5. a second tool holder; 51. connecting columns; 52. positioning pins; 53. and a second mounting groove.

Detailed Description

In order to improve the speed that the saw bit was changed, practice thrift the cost of changing the saw bit, the bigger degree utilizes the saw bit, the embodiment of the utility model provides a saw bit convenient to change. 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.

Example 1

Referring to fig. 1-4, the present embodiment provides a saw blade convenient to replace, including a first blade holder 4 and a second blade holder 5, a first mounting groove 48 is formed on a radial outer wall of the first blade holder 4, a positioning groove 42 is formed at a bottom portion of an inner wall of the first mounting groove 48, a blade holder 3 is disposed on an inner wall of the first mounting groove 48, a saw blade 1 is fixedly connected to a radial outer wall of the blade holder 3, a through hole 2 is formed at an upper end of the blade holder 3, the positioning groove 42 is located right below the through hole 2, a second mounting groove 53 is formed on a radial outer wall of the second blade holder 5, a positioning pin 52 is disposed on an inner wall of the second mounting groove 53, the positioning pin 52 penetrates through the through hole 2 and extends into the positioning groove 42, and a connecting hole for connecting a motor power transmission shaft is formed at a center position of a circle on top surfaces of the first blade holder 4 and the second blade holder 5.

In this embodiment, the saw frame 3 is installed in the first installation groove 48, the positioning pin 52 is matched with the positioning groove 42 to fix the saw frame 3 between the first blade carrier 4 and the second blade carrier 5, that is, the saw blade 1 is fixed between the first blade carrier 4 and the second blade carrier 5, so that the saw blade 1 is not thrown out of the first installation groove 48, and the motor drives the first blade carrier 4 and the second blade carrier 5 to rotate, so that the saw blade 1 rotates to complete cutting.

Wherein, in order to enhance the connection strength between the first tool rest 4 and the second tool rest 5, a V-shaped groove 43 is formed in the first tool rest 4, a connection column 51 is arranged at one end of the second tool rest 5 close to the first tool rest 4, the connection column 51 penetrates through the end surface of the first tool rest 4 close to the second tool rest 5 and extends into the V-shaped groove 43, a connection rod 41 is arranged at one end of the first tool rest 4 far away from the second tool rest 5, the connection rod 41 extends into the inner cavity of the first tool rest 4, and one end of the connection rod 41 located in the inner cavity of the first tool rest 4 is fixedly connected with a cross rod 44, the connection rod 41 is connected with the inner cavity of the first tool rest 4 in a sliding manner through the cross rod 44, the diameter of the cross rod 44 is 6 mm larger than the diameter of the opening end of the inner cavity of the first tool rest 4, so as to ensure that the cross rod 44 can only move in the inner cavity of the first tool rest 4, a spring 45 is sleeved on the radial outer wall of the connection rod 41, one end of the spring 45 is fixedly connected with one end of the cross rod 44 close to the connection rod 41, the end of the cross rod 44 far away from the connecting rod 41 is fixedly connected with a support 47, the support 47 penetrates through the inner cavity of the first cutter frame 4 and extends into the V-shaped groove 43, one end of the support 47, which is positioned in the V-shaped groove 43, is provided with steel balls 46, and the outer walls of the three steel balls 46 are attached to the radial outer wall of the connecting column 51.

The connecting column 51 is inserted into the gap between the three steel balls 46 in the V-shaped groove 43, the bracket 47 is pushed by the spring 45 to move towards the narrow end of the V-shaped groove 43, at the moment, one side of each steel ball 46 is in contact with the outer wall of the connecting column 51 and the other side is in contact with the inner wall of the V-shaped groove 43 due to the acting force of the V-shaped groove 43 on each steel ball 46, the connecting column 51 is locked by the friction force between each steel ball 46 and the connecting column 51, at the moment, the first cutter frame 4 and the second cutter frame 5 are quickly fixed, when the saw blade 1 needs to be disassembled and replaced, the connecting rod 41 is pulled outwards, the bracket 47 is driven to move towards the wide end of the V-shaped groove 43, at the moment, the gap between the steel balls 46 is enlarged and is separated from the connecting column 51, the first cutter frame 4 and the second cutter frame 5 can be separated by pulling out the connecting column 51 from the V-shaped groove 43, at the moment, the abraded saw blade 1 and the saw frame 3 are taken out, and new saw frame 1 and saw frame 3 are put in, thereby completing the quick replacement of the saw blade 1;

example 2

Referring to fig. 5, a further improvement is made on the basis of embodiment 1: saw bit 1 and sash 3 are the quarter circular form, install four saw bits 1 and sash 3 respectively in first mounting groove 48 and second mounting groove 53, form a just circular saw group by four saw bits 1 and the cooperation of sash 3, can cut bamboo wood through rotatory saw group this moment, for circular saw bit among the prior art, only need change the saw bit 1 that damages when certain saw bit 1 damages in the saw group, thereby avoid causing the waste, the effectual cost of practicing thrift saw bit 1 and changing.

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. A saw blade for easy replacement, comprising a first blade carrier (4) and a second blade carrier (5), characterized in that: first mounting groove (48) have been seted up to first knife rest (4) radial outer wall, constant head tank (42) have been seted up to first mounting groove (48) inner wall bottom, first mounting groove (48) inner wall is provided with sash (3), sash (3) radial outer wall fixedly connected with saw bit (1), and sash (3) upper end seted up through-hole (2), constant head tank (42) are located under through-hole (2), second mounting groove (53) have been seted up to second knife rest (5) radial outer wall, second mounting groove (53) inner wall is provided with locating pin (52), locating pin (52) run through-hole (2) and extend to inside constant head tank (42).

2. A saw blade for easy replacement as defined in claim 1, wherein: the utility model discloses a cutting tool, including first knife rest (4), second knife rest (5) have seted up V type groove (43) inside, the one end that is close to first knife rest (4) is provided with spliced pole (51), spliced pole (51) run through first knife rest (4) and are close to the terminal surface of second knife rest (5) and extend to in V type groove (43), the one end that second knife rest (5) were kept away from in first knife rest (4) is provided with connecting rod (41), connecting rod (41) extend to first knife rest (4) inner chamber, and connecting rod (41) are located the one end fixedly connected with horizontal pole (44) of first knife rest (4) inner chamber, connecting rod (41) are through horizontal pole (44) and first knife rest (4) inner chamber sliding connection, spring (45) have been cup jointed to the radial outer wall of connecting rod (41), the one end and the first knife rest (4) inner chamber fixed connection of spring (45), and the other end fixed connection that the other end and horizontal pole (44) of spring (45) are close to connecting rod (41), one end fixedly connected with support (47) of connecting rod (41) is kept away from in horizontal pole (44), support (47) run through first knife rest (4) inner chamber and extend to in V type groove (43), support (47) are located the one end in V type groove (43) and are provided with steel ball (46), and are three steel ball (46) outer wall and the laminating of spliced pole (51) radial outer wall.

3. A saw blade for easy replacement as defined in claim 1, wherein: the saw blade (1) and the saw frame (3) are in a quarter-circle shape.

4. A saw blade for easy replacement as defined in claim 1, wherein: and the circle centers of the top surfaces of the first tool rest (4) and the second tool rest (5) are provided with connecting holes for connecting a motor power transmission shaft.

5. A saw blade for easy replacement as defined in claim 2, wherein: the diameter of the cross rod (44) is 6 mm larger than that of the opening end of the inner cavity of the first tool rest (4).