CN111996780A

CN111996780A - Yarn cutting device convenient to adjust

Info

Publication number: CN111996780A
Application number: CN202010889029.5A
Authority: CN
Inventors: 郑明约
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-27

Abstract

The invention provides a yarn cutting device convenient to adjust, which belongs to the technical field of yarn cutting devices and comprises a driving shaft, wherein rotating wheels are symmetrically sleeved on the driving shaft, adjusting parts are movably inserted on the rotating wheels, movable assemblies are arranged on the adjusting parts, a positioning adjusting assembly is connected between the adjusting parts, the lower end of each adjusting part is fixedly connected with a movable shaft, and adjusting driving discs are symmetrically arranged on the driving shaft. This yarn cutting device convenient to adjust, utilize and adjust the driving piece and drive the regulating part through adjusting the driving-disc, the regulating part drives cutter and positioning adjustment subassembly on adjusting the movable assembly, realize that yarn cut-off size adjusts and cuts off synchronous cutting operation, and accommodation process is simple convenient, avoided simultaneously utilizing to adjust yarn functioning speed and cutter speed of motion and realize in the yarn cut-off size accommodation process, the problem of the precision reduction of cut-off size because of a great deal of factor causes, fine improvement the precision that the yarn cut off and the quality of cutting off.

Description

Yarn cutting device convenient to adjust

Technical Field

The invention relates to the technical field of yarn switching devices, in particular to a yarn cutting device convenient to adjust.

Background

The yarn cuts off the form has a lot of varieties, wherein mainly divide into cutter and sword groove cooperation and cut off and cutter cooperation cut off two kinds of modes, wherein, cutter and cutter cooperate better to the precision of cutting off of yarn, the quality of cutting off is better, because of when cutting off the yarn, relative motion when passing through cutter and cutter, the yarn to the centre is cut off and is handled, make the power of cutting off evenly distributed on the yarn, it produces deformation because of the atress inequality to have reduced the yarn, and lead to producing the precision that the error influence was cut off when cutting off, and cause the relatively poor problem that influences the quality of cutting off of incision roughness because of deformation.

At present, the device for cutting yarns by matching the cutter with the cutter mainly utilizes the combination of the self-movement of the cutter and the movement of the yarns to cut the yarns at fixed points, the yarn cutting size is adjusted according to the movement speed of the yarns or the movement speed of the cutter, the adjustment of the movement speed of the yarns and the adjustment of the movement speed of the cutter are troublesome, the precision of the cutting size is reduced easily due to various factors in the speed adjusting process, and the yarn cutting quality is influenced.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a yarn cutting device which is easy to adjust, and the device is achieved by the following specific technical means:

a yarn cutting device convenient to adjust comprises a base and cutters, wherein a driving shaft is rotatably arranged on the base, rotating wheels are symmetrically sleeved on the driving shaft, adjusting parts are movably inserted on the rotating wheels, movable components are respectively arranged on the adjusting parts, the cutters correspond to each other, a positioning adjusting component is connected between the adjusting parts and comprises a U-shaped positioning frame and a rotating positioning wheel, the rotating positioning wheel is symmetrically and rotatably connected in the U-shaped positioning frame, a movable shaft is fixedly connected at the lower end of the adjusting part, adjusting driving disks are symmetrically arranged on the driving shaft, movable grooves are formed in the adjusting driving disks and correspond to the movable shafts, adjusting driving pieces are inserted in the adjusting driving disks, the adjusting driving disk on the left side is in threaded connection with the adjusting driving pieces, the adjusting driving disk on the right side is fixedly connected with the adjusting driving pieces, the adjusting driving part is in threaded connection with the driving shaft, penetrates through the rotating wheel and is fixedly connected together, and the base is provided with a limiting driving part corresponding to the movable assembly.

Preferably, the cutter is detachably arranged on the movable assembly, and the suitable cutter can be replaced according to the requirements of different yarns.

Preferably, the even activity of regulating part is pegged graft on the runner, and is corresponding, and the activity groove corresponding with the loose axle is seted up evenly on the regulation driving-disc, and when the regulation driving-disc rotated, the cutter on the drive regulating part that can be continuous carries out high efficiency to corresponding yarn and cuts off, on convenient adjustable basis, has increased cutting device's cutting efficiency.

Preferably, the moving path of the moving groove is equal to the adjusting distance of the adjusting piece on the rotating wheel.

Preferably, the movable assembly includes a fixed part, a scroll elastic element and a movable part, the movable part is rotatably sleeved on the fixed part through the scroll elastic element, the cutter is arranged on the movable part, the movable part corresponds to the limiting driving part, when the movable part moves to the position of the limiting driving part, the movable part is driven by the relative limitation of the limiting driving part to relatively rotate along the fixed part, so that the cutter on the movable part is driven to cut off the yarn, meanwhile, a force for crimping deformation of the scroll elastic element is given, after the yarn is cut off, the movable part leaves the position relative to the limiting driving part along with the rotation of the rotating wheel, at the moment, the scroll elastic element releases the force for crimping deformation, and drives the movable part to recover the original position.

Preferably, the rotary positioning wheel is provided with a smooth annular positioning groove, the annular positioning groove corresponds to the yarn, and the position of the annular positioning groove corresponds to the cutter.

Preferably, the restriction driving piece is cylindrical, the restriction driving piece is rotatably connected to the base, when the restriction driving piece contacts the moving piece, the restriction driving piece provides a restriction driving force for the moving piece and receives a reaction force of the moving piece, at this time, the restriction driving piece rotates under the action of the reaction force, so that the friction force between the restriction driving piece and the moving piece is reduced, the abrasion is reduced, and the service lives of the restriction driving piece and the moving piece are prolonged.

Preferably, the distance between the limiting driving parts is equal to the sum of corresponding linear distances between the corresponding cutters and the movable components, when the movable components drive the cutters to move to the limiting driving parts, the movable components drive the cutters to move relatively through limiting the position distance between the limiting driving parts, and the cutters can move and be attached together through setting the distance, so that the yarns are effectively cut off.

The invention has the following beneficial effects:

1. this yarn cutting device convenient to adjust, utilize and adjust the driving piece and drive the regulating part through adjusting the driving-disc, the regulating part drives cutter and positioning control subassembly on adjusting movable assembly, realize yarn cut-off dimension and adjust and cut off synchronous cutting operation, and the device accommodation process is simple convenient, avoided simultaneously through in yarn functioning speed and cutter movement speed accommodation process, the problem that a great deal of factors such as the transform of because of speed governing in-process power supply and corresponding mechanical structure cause cut-off dimension's precision to reduce, fine improvement the precision that the yarn cut off and the quality of cutting off.

2. This yarn cutting device convenient to adjust through even setting regulating part on the runner, utilizes the cutter that the regulating part drove it to adjust the size that the yarn cut off when the yarn is even in proper order to realize on the basis that the yarn cut off size of being convenient for adjusted, not only kept the precision that the yarn cut off, simultaneously very big improvement the efficiency of cutting off.

Drawings

FIG. 1 is a front view of the present invention.

FIG. 2 is a schematic view of the connection between the rotating wheel, the adjusting member and the movable slot.

FIG. 3 is a schematic top view of the connection between the movable assembly, the positioning adjustment assembly and the limiting driver according to the present invention.

FIG. 4 is a schematic view of the connection structure of the positioning adjustment assembly of the present invention.

FIG. 5 is a schematic view of the connection between the wheel and the adjustment driving member according to the present invention.

In the figure: 1. a base; 2. a cutter; 3. a drive shaft; 4. a rotating wheel; 5. an adjustment member; 6. a movable component; 61. a fixing member; 62. a scroll elastic member; 63. a movable member; 7. a positioning adjustment assembly; 71. a U-shaped positioning frame; 72. rotating the positioning wheel; 721. an annular positioning groove; 8. a movable shaft; 9. adjusting the driving disc; 10. a movable groove; 11. adjusting the driving member; 12. the driver is limited.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-5, a yarn cutting device convenient for adjustment comprises a base 1 and a cutter 2, a driving shaft 3 is rotatably disposed on the base 1, rotating wheels 4 are symmetrically sleeved on the driving shaft 3, adjusting members 5 are movably inserted on the rotating wheels 4, movable members 6 are disposed on the adjusting members 5, the cutters 2 are respectively disposed on the movable members 6, the cutter 2 is detachably mounted on the movable members 6, the movable members 6 comprise a fixed member 61, a scroll elastic member 62 and a movable member 63, the movable member 63 is rotatably sleeved on the fixed member 61 through the scroll elastic member 62, the cutter 2 is disposed on the movable member 63, the movable member 63 corresponds to a limiting driving member 12, when the movable member 63 moves to the position of the limiting driving member 12, the movable member 63 is driven by the relative limit of the limiting driving member 12 to relatively rotate along the fixed member 61, so as to drive the cutter 2 thereon to cut off the yarn, at the same time, a force of crimping deformation is provided for the scroll elastic element 62, after the yarn is cut off, the movable element 63 leaves a position opposite to the limiting driving element 12 along with the rotation of the rotating wheel 4, at this time, the scroll elastic element 62 releases the force of crimping deformation to drive the movable element 63 to recover to the original position, applicable cutters 2 can be replaced according to the requirements of different yarns, the cutters 2 correspond to each other, a positioning adjusting assembly 7 is connected between the adjusting elements 5, the positioning adjusting assembly 7 comprises a U-shaped positioning frame 71 and a rotating positioning wheel 72, the rotating positioning wheel 72 is symmetrically and rotatably connected in the U-shaped positioning frame 71, a smooth annular positioning groove 721 is arranged on the rotating positioning wheel 72, the annular positioning groove 721 corresponds to the yarn, the position of the annular positioning groove 721 corresponds to the cutter 2, the lower end of the adjusting element 5 is fixedly connected with a movable shaft 8, an adjusting driving disc 9 is symmetrically arranged on the driving shaft 3, the adjusting driving disk 9 is provided with a movable groove 10, the adjusting part 5 is uniformly movably inserted on the rotating wheel 4, correspondingly, the adjusting driving disk 9 is uniformly provided with a movable groove 10 corresponding to the movable shaft 8, when the adjusting driving disk 9 rotates, the adjusting driving disk can continuously drive the cutter 2 on the adjusting part 5 to quickly and efficiently cut off corresponding yarns, on the basis of convenient adjustment, the cutting efficiency of the cutting device is increased, the movable groove 10 corresponds to the movable shaft 8, the movable path of the movable groove 10 is equal to the adjusting distance of the adjusting part 5 on the rotating wheel 4, the adjusting driving disk 9 is internally inserted with an adjusting driving part 11, the adjusting driving disk 9 on the left side is in threaded connection with the adjusting driving part 11, the adjusting driving disk 9 on the right side is in fixed connection with the adjusting driving part 11, the adjusting driving part 11 is in threaded connection with the driving shaft 3, and the adjusting driving part 11 penetrates through the rotating wheel 4 to be fixedly, the base 1 is provided with a limiting driving piece 12 corresponding to the movable component 6, the limiting driving piece 12 is cylindrical, the limiting driving piece 12 is connected to the base 1 in a rotating mode, when the limiting driving piece 12 is in contact with the movable component 63, the limiting driving piece 12 provides a limiting driving force for the movable component 63 and simultaneously receives a reaction force of the movable component 63, at the moment, the friction force between the limiting driving piece 12 and the movable component 63 is reduced by limiting the driving piece 12 to rotate under the action of the reaction force, so that the abrasion is reduced, the service lives of the limiting driving piece 12 and the movable component 6 are prolonged, in addition, the distance between the limiting driving pieces 12 is equal to the sum of corresponding linear distances between the cutter 2 and the movable component 6, when the movable component 6 drives the cutter 2 to move to the position of the limiting driving piece 12, the movable component 6 drives the cutter 2 to move relatively by limiting the position distance between the limiting driving pieces 12, through the setting of the distance, the cutter 2 can be ensured to move and be attached together, thereby effectively cutting off the yarn.

The working principle is as follows: when the size of the yarn cut at a fixed point needs to be adjusted, the adjusting driving piece 11 is rotated to drive the fixedly connected adjusting driving disc 9 and the meshed adjusting driving disc 9 to rotate along with the rotation of the adjusting driving piece 11, the rotating of the adjusting driving disc 9 drives the movable groove 10 on the adjusting driving disc to rotate along with the rotation, at the moment, the corresponding movable shaft 8 in the movable groove 10 also rotates along with the rotation, but under the limitation of the adjusting piece 5 fixedly connected to the movable shaft 8, the movable shaft 8 makes linear motion along the movable groove corresponding to the adjusting piece 5 on the rotating wheel 4, so that the adjusting piece 5 is driven to make corresponding linear motion, the yarn cutting device moves along the radial direction of the rotating wheel 4, the size of the moving range diameter of the cutter 2 on the movable assembly 6 is adjusted through the linear motion of the adjusting piece 5, and meanwhile, the U-shaped positioning frame 71 is driven to synchronously move through the adjusting piece 5, the rotating positioning wheel 72 on the device is utilized to synchronously drive and position the passing yarn, the yarn is driven to be converted from horizontal linear motion to arc motion with different angles by rotating the positioning wheel 72, the straight line is shortest between two points, and the arc line segment is increased along with the increase of the angle, so that the fixed-point cutting size of the yarn is adjusted, under the condition that the yarn motion speeds are the same, the positioning cutting size of the yarn is adjusted by adjusting the size of the rotating diameter of the cutter 2 and the synchronous motion of the positioning adjusting component 7, the cutting operation of synchronous measurement adjustment and cutting of the yarn cutting size is realized, the adjusting process of the device is simple and convenient, and the problem of reduction of the precision of the cutting size caused by a plurality of factors such as the conversion of a power source and a corresponding mechanical structure in the speed adjusting process is avoided at the same time, the yarn cutting precision and the yarn cutting quality are well improved.

In addition, through even setting up regulating part 5 on runner 4, when runner 4 is at the in-process that rotates the round, regulating part 5 drives cutter 2 on it in proper order and cuts off the yarn, according to above-mentioned step through adjusting the driving-disc 9, can carry out synchronous regulation simultaneously to regulating part 5, when regulating part 5 drives cutter 2 on it in proper order to the even cutting off of yarn, can also adjust the size that the yarn cut off, therefore on the basis that the yarn cut off size of being convenient for was adjusted, the precision that the yarn cut off has not only been kept, simultaneously very big improvement the efficiency of cutting off.

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. The utility model provides a yarn cutting device convenient to adjust, includes base (1) and cutter (2), its characterized in that: the adjustable cutting tool is characterized in that a driving shaft (3) is rotatably arranged on the base (1), rotating wheels (4) are symmetrically sleeved on the driving shaft (3), adjusting parts (5) are movably inserted on the rotating wheels (4), movable components (6) are respectively arranged on the adjusting parts (5), the cutting tools (2) are respectively arranged on the movable components (6) and correspond to each other, positioning adjusting components (7) are connected between the adjusting parts (5), each positioning adjusting component (7) comprises a U-shaped positioning frame (71) and a rotating positioning wheel (72), the rotating positioning wheels (72) are symmetrically and rotatably connected in the U-shaped positioning frames (71), a movable shaft (8) is fixedly connected to the lower end of each adjusting part (5), an adjusting driving disc (9) is symmetrically arranged on the driving shaft (3), a movable groove (10) is formed in the adjusting driving disc (9), and the movable groove (10) corresponds to the movable shaft (8), all pegged graft in regulation driving-disc (9) and have adjusted driving piece (11), left regulation driving-disc (9) are threaded connection with regulation driving piece (11), regulation driving-disc (9) on right side are fixed connection with regulation driving piece (11), adjust driving piece (11) threaded connection on drive shaft (3), and adjust driving piece (11) and pass runner (4) fixed connection together, be provided with on base (1) and take driving piece (12) with the corresponding restriction of movable assembly (6).

2. An adjustable yarn cutting device as claimed in claim 1, wherein: the cutter (2) is detachably arranged on the movable assembly (6).

3. An adjustable yarn cutting device as claimed in claim 1, wherein: the adjusting piece (5) is movably inserted on the rotating wheel (4) uniformly, and correspondingly, the adjusting driving disc (9) is uniformly provided with a movable groove (10) corresponding to the movable shaft (8).

4. An adjustable yarn cutting device according to claim 1 or 3, wherein: the moving path of the moving groove (10) is equal to the adjusting distance of the adjusting piece (5) on the rotating wheel (4).

5. An adjustable yarn cutting device as claimed in claim 1, wherein: the movable assembly (6) comprises a fixed piece (61), a scroll elastic piece (62) and a movable piece (63), the movable piece (63) is rotatably sleeved on the fixed piece (61) through the scroll elastic piece (62), the cutter (2) is arranged on the movable piece (63), and the movable piece (63) corresponds to the limiting driving piece (12).

6. An adjustable yarn cutting device as claimed in claim 1, wherein: the rotary positioning wheel (72) is provided with a smooth annular positioning groove (721), the annular positioning groove (721) corresponds to the yarn, and the position of the annular positioning groove (721) corresponds to the cutter (2).

7. An adjustable yarn cutting device as claimed in claim 1, wherein: the limiting driving piece (12) is cylindrical, and the limiting driving piece (12) is rotatably connected to the base (1).

8. An adjustable yarn cutting device as claimed in claim 1 or 7, wherein: the distance between the limiting and driving pieces (12) is equal to the sum of the corresponding linear distances between the corresponding cutters (2) and the corresponding movable assemblies (6).