CN213417397U

CN213417397U - Blade replacing mechanism for handheld electric circular knife cutting machine

Info

Publication number: CN213417397U
Application number: CN202021724497.9U
Authority: CN
Inventors: 王凯元
Original assignee: Tianjin Zhulin Technology Co ltd
Current assignee: Tianjin Zhulin Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-11
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a blade replacing mechanism for a handheld electric circular knife cutting machine, which comprises a mounting seat, a mounting column, a positioning column, an annular gasket, a clamping jaw and a jacking mechanism, wherein the right side of the mounting seat is connected with the mounting column, the positioning column is arranged on the right side surface of the mounting seat along the circumferential direction, the annular gasket is arranged on the right side surface of the mounting seat, the clamping jaw is arranged on the mounting column along the circumferential direction, the jacking mechanism is arranged in the mounting column, one end outside the clamping jaw is provided with an inclined plane, one end inside the clamping jaw is provided with a slope, the jacking mechanism comprises a spring, a conical block, a push rod and a button, the outer side surface of the conical block is attached to the slope at one end inside the clamping jaw, the left side of the conical block is provided with the spring, the right end of the conical block is connected with the push rod, the jack catch is automatic with the blade chucking, fixes a position the supplementary blade and fixes a position and drive the blade and do rotary motion.

Description

Blade replacing mechanism for handheld electric circular knife cutting machine

Technical Field

The utility model relates to a cutter technical field especially relates to an electronic circular knife of hand-held type cutter is with blade change mechanism.

Background

The circular knife cutting machine is a textile machine widely applied in textile industry, is mainly used for cutting raw materials such as cotton, hemp, synthetic leather, knitting and the like in industries such as clothing, textile, leather and the like, and can also be used for cutting various materials such as blankets, bed sheets, plastic films and the like.

The blade mounting method of the circular knife cutting machine in the market at present is that a blade is clamped through a threaded cap mounted on the outer side of the blade, or a pressing cap is pressed on the outer side of the blade through a bolt to complete mounting and fixing of the blade.

Disclosure of Invention

According to the technical problem, the utility model provides a hand-held type electronic circle sword is blade change mechanism for cutting machine, its characterized in that includes mount pad, erection column, reference column, annular gasket, jack catch and top tight mechanism, the mount pad is the cylinder structure, the mount pad left end is connected with motor spindle, the mount pad right side is connected with the erection column, the mount pad is integrative with the erection column, evenly be provided with the reference column along circumference on the mount pad right side, the reference column is 4, the mount pad right side is provided with annular gasket along circumference, annular gasket is located the reference column inboard, annular gasket medial surface hugs closely the erection column outer wall, evenly be provided with the jack catch along circumference on the erection column, the jack catch is 4, the tight mechanism in top is provided with in the erection column;

sliding grooves are radially formed in the mounting column, the number of the sliding grooves is 4, the clamping jaws are mounted in the sliding grooves, a mounting cavity is axially formed in the mounting column, and the jacking mechanism is mounted in the mounting cavity;

an inclined surface is arranged at one end of the outer side of the clamping jaw, and a slope is arranged at one end of the inner side of the clamping jaw;

the tight mechanism in top includes spring, toper piece, push rod and button, the wide right side in toper piece left side is narrow, the slope laminating of toper piece lateral surface and the inboard one end of jack catch, toper piece right-hand member and installation cavity laminating, toper piece left side is provided with the spring, toper piece right-hand member is connected with the push rod, the push rod right-hand member stretches out the erection column and is connected with the button, spring one end is supported at the installation cavity inner wall, the spring other end supports in toper piece left side, install the circular knife piece between annular gasket and the jack catch, set up the locating hole that corresponds with the reference column on the circular knife piece.

The utility model has the advantages that:

the utility model is provided with the clamping jaw, the jacking mechanism and the annular gasket, when the blade is replaced, the button is pushed leftwards, the button drives the push rod to move the conical block leftwards along the installation cavity, the spring is compressed, at the moment, the slope of the clamping jaw can slide inwards along the outer side surface of the conical block, then the blade is taken down, the button is loosened, the spring drives the conical block to rebound to the right side, then the blade to be replaced is inserted into the mounting column, when the blade contacts the clamping jaw, because one end of the outer side of the clamping jaw is an inclined surface, so that the blade presses the jaw to move inwards, meanwhile, the slope on the inner side of the jaw presses the conical block to move leftwards, the spring is compressed, when the blade contacts the annular gasket, the clamping jaw is separated from the limitation of the blade, the spring drives the conical block to rebound to the right side, the outer side surface of the conical block and the clamping jaw slope act to push the clamping jaw outwards, and the fixing, clamping and limiting of the blade are realized;

the tool changing mode is quick and convenient, the blade is taken out only by pressing the button, then the blade is pressed into the mounting column, the clamping jaw automatically clamps the blade, the blade is positioned in a positioning mode in an auxiliary mode, and the blade is driven to rotate.

The utility model discloses do not have the condition that the screw part can take off, the jack catch is ejecting to the outside with the blade chucking after, the blade clamp tightly between jack catch and annular gasket, unless press the jack catch with the button and could withdraw, otherwise the blade can't break away from the jack catch restriction, the blade is fixed more firm.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention without the circular blade installed;

FIG. 3 is a cross-sectional view of the front view of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic view of the structure of the jaw retraction of the present invention.

As shown in the figure: 1-mounting seat, 2-mounting column, 3-positioning column, 4-annular gasket, 5-claw, 6-sliding chute, 7-mounting cavity, 8-inclined plane, 9-slope, 10-spring, 11-conical block, 12-push rod, 13-button, 14-circular blade and 15-motor spindle.

Detailed Description

Example 1

The utility model provides a hand-held type electronic circular knife is blade change mechanism for cutting machine, its characterized in that includes mount pad 1, erection column 2, reference column 3, annular gasket 4, jack catch 5 and the tight mechanism in top, mount pad 1 is the cylinder structure, mount pad 1 left end is connected with motor spindle 15, mount pad 1 right side is connected with erection column 2, mount pad 1 and erection column 2 are structure as an organic whole, evenly be provided with reference column 3 along circumference on the right flank of mount pad 1, reference column 3 is 4, mount pad 1 right flank is provided with annular gasket 4 along circumference, annular gasket 4 is located the inboard of reference column 3, annular gasket 4 medial surface hugs closely the outer wall of erection column 2, evenly be provided with jack catch 5 along circumference on the erection column 2, jack catch 5 is 4, the tight mechanism in top is provided with in the erection column 2;

the mounting column 2 is internally provided with sliding grooves 6 along the radial direction, the number of the sliding grooves 6 is 4, the clamping jaws 5 are arranged in the sliding grooves 6, the mounting column 2 is internally provided with a mounting cavity 7 along the axial direction, and the jacking mechanism is arranged in the mounting cavity 7;

an inclined surface 8 is arranged at one end of the outer side of the clamping jaw 5, and a slope 9 is arranged at one end of the inner side of the clamping jaw 5;

the tight mechanism in top includes spring 10, toper piece 11, push rod 12 and button 13, the wide right side in 11 left sides of toper piece is narrow, the 11 lateral surfaces of toper piece is laminated with the slope 9 of 5 inboard one ends of jack catch, 11 right-hand members of toper piece are laminated with

installation cavity

7, 11 left sides of toper piece are provided with

spring

10, 11 right-hand members of toper piece are connected with

push rod

12, 12 right-hand members of push rod stretch out erection column 2 and are connected with button 13, spring 10 one end is supported at installation cavity 7 inner walls, the spring 10 other end supports in 11 left sides of toper piece, install circular knife piece 14 between annular gasket 4 and the jack catch 5, set up the locating hole that corresponds with reference column 3 on the.

Example 2

When the utility model is used, the circular blade 14 is clamped between the annular gasket 4 and the jaw 5, when the blade is replaced, the button 13 is pushed to the left side, the button 13 drives the push rod 12 to move to the left side, the push rod 12 drives the conical block 11 to move to the left side in the installation cavity 7, simultaneously the spring 10 is extruded, because the slope 9 at one end of the inner side of the jaw 5 is jointed with the outer side surface of the conical block 11, when the conical block 11 moves to the left side, the jaw 5 slides to the inner side along the outer side surface of the conical block 11, the jaw 5 below can not automatically slide to the inner side because of gravity, at the moment, the jaw 5 is pushed to the inner side along the chute 6 by a worker with hands, at the moment, the circular blade 14 is taken down along the installation column 2 because of the limitation of the jaw 5, the circular blade 14 is taken down, the schematic diagram of the button 13 which is not loosened after being taken down is shown in figure 5, at, simultaneously conical block 11 is ejecting jack catch 5 to the outside along spout 6, then the centre bore of the circular blade 14 that will change is aimed at erection column 2, align reference column 3 with the locating hole, slide in circular blade 14 from the right side to the left side along erection column 2, and the locating hole inserts in reference column 3, when the blade contacts jack catch 5, because 5 outside one end of jack catch is inclined plane 8, so blade extrusion jack catch 5 is to the inside side and is removed, 9 extrusion conical block 11 of the inboard slope of jack catch 5 move left simultaneously, spring 10 is extruded, when the blade contacts annular gasket 4, jack catch 5 breaks away from the restriction of blade, spring 10 drives conical block 11 and kick-backs to the right side, the lateral surface of

conical block

11 and 5 forehead slope 9 effects of jack catch 5 are ejecting jack catch 5 to the outside along spout 6, realize that jack catch 5 and annular gasket 4 cooperate the fixed of blade, press from both sides tightly and spacing.

When the motor spindle 15 drives the mounting base 1 to rotate, the positioning column 3 can provide a torque to enable the circular blade 14 and the motor spindle 15 to rotate synchronously.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A blade replacing mechanism for a handheld electric circular knife cutting machine is characterized by comprising an installation seat, an installation column, a positioning column, an annular gasket, a clamping claw and a jacking mechanism, wherein the installation seat is of a cylindrical structure, the left end of the installation seat is connected with a motor spindle, the right side of the installation seat is connected with the installation column, the positioning column is uniformly arranged on the right side surface of the installation seat along the circumferential direction, the annular gasket is positioned on the inner side of the positioning column, the inner side surface of the annular gasket is tightly attached to the outer wall of the installation column, the clamping claw is uniformly arranged on the installation column along the circumferential direction, and the jacking mechanism;

a sliding groove is formed in the mounting column along the radial direction, the clamping jaw is mounted in the sliding groove, a mounting cavity is formed in the mounting column along the axial direction, and the jacking mechanism is mounted in the mounting cavity;

the tight mechanism in top includes spring, toper piece, push rod and button, the wide right side in toper piece left side is narrow, the slope laminating of toper piece lateral surface and the inboard one end of jack catch, toper piece right-hand member and installation cavity laminating, toper piece left side is provided with the spring, toper piece right-hand member is connected with the push rod, the push rod right-hand member stretches out the erection column and is connected with the button, spring one end is supported at the installation cavity inner wall, the spring other end supports in toper piece left side.

2. The blade changing mechanism for a hand-held electric circular knife trimmer according to claim 1, wherein said mounting seat and said mounting post are of an integral construction.

3. The blade changing mechanism for a hand-held electric circular knife cutter as claimed in claim 1, wherein said positioning posts are 4.

4. The blade changing mechanism for a hand-held electric circular knife cutter as claimed in claim 1, wherein the number of said jaws is 4, and the number of said sliding grooves is 4.