CN216193570U

CN216193570U - Cutting device for yarn machine

Info

Publication number: CN216193570U
Application number: CN202122313031.0U
Authority: CN
Inventors: 孙宗美; 方伟
Original assignee: Wuxi Ouyite Packaging Products Co ltd
Current assignee: Wuxi Ouyite Packaging Products Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-05
Anticipated expiration: 2031-09-23

Abstract

The application discloses cutting device for yarn machine, it includes workstation, portal, blade holder, cutter and drive assembly, and the portal sets up on the workstation, and the blade holder sets up in the portal below, and the lower terminal surface of blade holder is offered and is used for holding the sword groove of cutter, the cutter set up in the sword groove, drive assembly include driving motor, screw rod and guide bar, driving motor connects the top of portal, the vertical rotation of screw rod is connected on the workstation, the top of screw rod and driving motor's output shaft, and the vertical connection of guide bar is on the workstation, and the top and the portal connection of guide bar, guide bar run through the blade holder and rather than sliding fit. This application has the effect that improves yarn cutting accuracy.

Description

Cutting device for yarn machine

Technical Field

The invention relates to the technical field of yarn spinning, in particular to a cutting device for a yarn machine.

Background

The yarn is a common textile, is a product with certain fineness which is made of textile fibers through manual or machine processing, and is widely used for weaving, thread making, embroidery and other operations. The fiber can be classified into end fiber yarn, continuous filament, etc. according to the length of the fiber. When the weaving is stopped or finished, the continuous yarn needs to be cut by a machine.

At present, chinese patent with publication number CN210712300U discloses a yarn cutting device for a yarn machine, which comprises a frame, the frame comprises two vertical rectangular rods, all be connected with the spliced pole on two rectangular rods of frame, two the inside equal vertical circular through-hole of having seted up of spliced pole, just be equipped with compression spring in the circular through-hole, two spliced pole top sliding fit has the connecting rod, the both ends of connecting rod all are connected with the connecting block, and the equal fixedly connected with connecting axle of lower surface of two connecting blocks, the connecting axle sets up in compression spring, two the below of connecting axle is connected with the cutter.

In view of the above-mentioned related technologies, the inventor believes that the yarn cutting device of the yarn machine needs to cut the yarn by manually controlling the lifting of the tool apron during the yarn cutting process, and the specific length of the yarn is greatly affected by manual operation and the skill of workers, resulting in insufficient length precision of the finished yarn.

SUMMERY OF THE UTILITY MODEL

In order to improve the precision of yarn cutting, the application provides a cutting device for yarn machine.

The application provides a cutting device for yarn machine adopts following technical scheme:

the utility model provides a cutting device for yarn machine, includes workstation, portal, blade holder, cutter and drive assembly, the portal set up in on the workstation, the blade holder set up in the below of portal, the lower terminal surface of blade holder is offered and is used for holding the sword groove of cutter, the cutter set up in the sword groove, drive assembly includes driving motor, screw rod and guide bar, driving motor connects the top of portal, the vertical rotation of screw rod is connected on the workstation, the top of screw rod with driving motor's output shaft, the vertical connection of guide bar is in on the workstation, the top of guide bar with the portal is connected, the guide bar runs through the blade holder and rather than sliding fit.

By adopting the technical scheme, the yarns pass below the portal frame, when the length of the yarns reaches a preset value, the driving motor is started, the screw rod rotates under the driving action of the driving motor, the cutter holder descends under the driving action of the screw rod and the guiding action of the guide rod, and the cutter cuts the yarns passing below the portal frame; after the yarn is cut, the driving motor rotates reversely, and the cutter is lifted; through mutually supporting of workstation, portal, blade holder, cutter and drive assembly, realized the automatic timing decline of cutter, had the effect that improves yarn cutting accuracy.

Optionally, a first cushion block is arranged on the workbench, a positioning groove for accommodating the cutter is formed in the first cushion block, the position of the positioning groove is consistent with that of the cutter in the vertical direction, a yarn groove for the yarn to pass through is formed in the upper surface of the first cushion block, and the length direction of the yarn groove is perpendicular to that of the positioning groove.

Through adopting above-mentioned technical scheme, the cutter is inserted when descending and is located the constant head tank, has strengthened the stability of structure, has improved the precision of yarn cutting point, and the setting up of yarn groove makes the yarn not take place to rock when the portal below, has further improved the accuracy of yarn position.

Optionally, the yarn groove is provided with a plurality of yarn grooves in parallel on the upper surface of the first cushion block.

Through adopting above-mentioned technical scheme, the setting up of a plurality of yarn grooves makes the device can cut many yarns simultaneously, has improved the cutting efficiency of yarn.

Optionally, a compressing assembly is connected to the tool apron, the compressing assembly includes a connecting plate, a compressing plate and a compressing rod, the connecting plate is horizontally connected to the tool apron, the compressing plate is arranged below the connecting plate, and the compressing rod is connected between the compressing plate and the connecting plate.

Through adopting above-mentioned technical scheme, when carrying out the yarn and cutting, the pressure strip descends along with the blade holder is synchronous, until compressing tightly the yarn on the table surface, has reduced the yarn and has taken place the possibility of rocking at the in-process that cuts, has strengthened the degree of accuracy and the precision of cutting the position.

Optionally, the compressing rod is in sliding fit with the connecting plate, a first limiting block is connected to the top end of the compressing rod, the compressing assembly further comprises a first spring, the first spring is sleeved on the compressing rod, one end of the first spring abuts against the lower end face of the connecting plate, the other end of the first spring abuts against the upper end face of the compressing plate, and the compressing plate is lower than the cutter.

Through adopting above-mentioned technical scheme, when the pressure strip descends along with the blade holder, the pressure strip earlier with the upper surface butt of workstation and compress tightly the yarn, the blade holder continues to move down under drive assembly's drive, takes place relative displacement between compression bar and the connecting plate, first spring shortens to accumulate elastic potential energy, when the cutter lifted, first spring extension, the pressure strip recovered to original position under the effect of first spring.

Optionally, be provided with the chucking subassembly on the blade holder, the chucking subassembly includes pull rod, joint piece and draws the piece, the pull rod runs through the blade holder and stretches into in the sword groove, draw the piece connect in the pull rod is located the outer one end of blade holder, the joint piece connect in the pull rod is located the one end in the sword groove, seted up on the cutter with the joint groove that the joint piece matches, the joint groove with the cooperation of joint piece joint.

Through adopting above-mentioned technical scheme, joint piece and the cooperation of the joint groove joint on the cutter, when needs overhaul or change the cutter, only need the pulling to draw the piece, make joint piece and cutter separation.

Optionally, the clamping assembly further includes a second spring, the second spring is sleeved on the pull rod, one end of the second spring abuts against the side wall of the knife groove, and the other end of the second spring abuts against the clamping block.

Through adopting above-mentioned technical scheme, the setting up of second spring makes the joint piece can all the time with the cutter butt, has reduced the joint piece and has cut the possibility of in-process and cutter separation.

Optionally, a plurality of slide bars are vertically connected to the workbench, the slide bars are in sliding fit with the first cushion block, the top ends of the slide bars are connected with second limiting blocks, third springs are sleeved on the slide bars, and the third springs are located between the upper end face of the workbench and the lower end face of the first cushion block.

By adopting the technical scheme, when the cutter is contacted with the first cushion block, the cushion block and the slide rod are relatively displaced and lowered, and the third spring shortens the accumulated elastic potential energy; when the cutter lifts up, the third spring extends to enable the first cushion block to move upwards until the initial position is recovered, the third spring reduces impact force generated by the cutter on the first cushion block, and the service life of the device is prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the mutual matching of the workbench, the portal frame, the cutter holder, the cutter and the driving assembly, the automatic timing descending of the cutter is realized, and the effect of improving the yarn cutting precision is achieved;

2. the arrangement of the pressing plate reduces the possibility of shaking of the yarn in the cutting process, and enhances the accuracy and precision of cutting points;

3. the third spring and the sliding rod are arranged, so that the impact force of the cutter on the first cushion block is reduced, and the service life of the device is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a cutting device for a yarn machine according to an embodiment of the present application.

FIG. 2 is a rear view of an embodiment of the present application for embodying a cutting device for a yarn machine.

Fig. 3 is a sectional view taken along the line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

FIG. 5 is a right side view of an embodiment of the present application for embodying a cutting device for a yarn machine.

Fig. 6 is a sectional view taken along line C-C in fig. 5.

Fig. 7 is an enlarged view of a portion D in fig. 6.

Description of reference numerals: 1. a work table; 2. a gantry; 3. a tool apron; 31. a cutter groove; 4. a cutter; 5. a drive assembly; 51. a drive motor; 52. a screw; 53. a guide bar; 6. a first cushion block; 7. positioning a groove; 8. a yarn groove; 9. a compression assembly; 91. a connecting plate; 92. a compression plate; 93. a hold down bar; 94. a first stopper; 95. a first spring; 10. a second cushion block; 11. a clamping assembly; 111. a pull rod; 112. pulling the block; 113. a second spring; 114. a clamping block; 12. a slide bar; 13. a second limiting block; 14. a third spring; 15. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-7. The embodiment of the application provides a cutting device for yarn machine, and it has the effect that improves yarn cutting precision.

Referring to fig. 1, a cutting device for a yarn machine includes a table 1, a gantry 2, a tool holder 3, a cutter 4, and a driving assembly 5. The workbench 1 is supported on the ground through supporting legs connected at four corners of the lower end surface of the workbench, the portal frame 2 is connected to the workbench 1, and the portal frame 2 consists of two vertical parts and a horizontal part connected between the two vertical parts. The feeding direction of yarn is perpendicular with the horizontal part of portal 2, and blade holder 3 sets up in the horizontal part below of portal 2, and cutter 4 is connected in the below of blade holder 3, and the sword blade part of cutter 4 sets up downwards, and its length direction is parallel with the horizontal part of portal 2. A first cushion block 6 is arranged on the workbench 1, and the first cushion block 6 is positioned below the cutter 4. The upper end face of the first cushion block 6 is provided with a positioning groove 7 matched with the cutter 4, and the positions of the positioning groove 7 and the cutter 4 are kept consistent in the vertical direction. A plurality of yarn grooves 8 for containing yarns are formed in the first cushion block 6, and the arrangement direction of the yarn grooves 8 is perpendicular to the direction of the positioning grooves 7.

Referring to fig. 1, the driving assembly 5 includes a driving motor 51, a screw 52, and a guide bar 53. The driving motor 51 is connected above the horizontal part of the gantry 2, the screw 52 is vertically connected on the workbench 1 in a rotating manner, the top end of the screw 52 penetrates through the horizontal part of the gantry 2 and is connected with the output shaft of the driving motor 51, and the screw 52 is in threaded connection with the tool apron 3. The guide rod 53 is vertically and fixedly connected to the workbench 1, the top end of the guide rod 53 is connected with the lower end of the horizontal part of the gantry 2, and the guide rod 53 penetrates through the tool apron 3 and is in sliding fit with the tool apron 3.

Referring to fig. 1, a yarn is fed through the lower portion of the gantry 2 and placed in the yarn slots 8 of the first cushion block 6, when the length of the yarn reaches a preset value, the driving assembly 5 is started, the driving motor 51 starts to operate, the screw 52 rotates under the driving of the driving motor, the cutter holder 3 moves downwards under the driving of the screw 52 and the guiding action of the guide rod 53, and is aligned with the positioning grooves 7 on the first cushion block 6, and the yarns in the yarn slots 8 are cut off synchronously. After the cutting is finished, the driving motor 51 rotates reversely, the cutter holder 3 moves upwards, the cutter 4 is lifted, and the next round of yarn cutting operation is carried out. The arrangement of the yarn groove 8 reduces the possibility of shaking on the workbench 1 during yarn cutting, and enhances the cutting accuracy of the yarn; simultaneously, the setting up of a plurality of yarn grooves 8 makes can cut many yarns simultaneously, has improved the cutting efficiency of yarn.

Referring to fig. 1, a pressing assembly 9 for pressing the yarn is connected to the blade holder 3. The pressing assembly 9 includes a connecting plate 91, a pressing plate 92, a pressing rod 93, a first stopper 94, and a first spring 95. The connecting plate 91 is horizontally and fixedly connected to the tool apron 3, and the pressing plate 92 is disposed below the connecting plate 91. One end of the pressing rod 93 is fixedly connected with the upper end face of the pressing plate 92, the other end of the pressing rod 93 vertically extends upwards and is in sliding fit with the connecting plate 91, two pressing rods 93 are arranged on the pressing plate 92, and the first limiting block 94 is connected to the top end of the pressing rod 93 and is located above the connecting plate 91. The first spring 95 is sleeved on the pressing rod 93, one end of the first spring 95 abuts against the upper end face of the pressing plate 92, and the other end of the first spring abuts against the lower end face of the connecting plate 91. Naturally, the height of the pressing plate 92 is lower than the height of the cutting edge of the cutter 4.

Referring to fig. 1, a second block 10 corresponding to the pressing assembly 9 is provided on the table 1, and the second block 10 corresponds to the pressing plate 92 in a vertical direction. The upper end face of the second head block 10 is flush with the upper end face of the first head block 6.

Referring to fig. 1, when the tool apron 3 moves downwards under the driving action of the driving assembly 5, the pressing assembly 9 also moves downwards at the same time, and since the height of the pressing plate 92 is lower than the height of the cutting edge of the cutter 4, the pressing plate 92 firstly abuts against the second cushion block 10 and presses the yarn passing through the upper surface of the second cushion block 10, the first spring 95 compresses the accumulated elastic potential energy, and the pressing rod 93 and the connecting plate 91 slide relatively. After the yarn cutting is completed, the knife holder 3 moves upwards under the driving action of the driving component 5 to drive the pressing component 9 connected with the knife holder 3 to move upwards synchronously, and the first spring 95 extends to recover the elastic potential energy, so that the pressing plate 92 recovers to the initial position.

Referring to fig. 2-4, the lower end surface of the cutter holder 3 is provided with a cutter groove 31 for accommodating the cutter 4, and the cutter holder 3 is provided with a clamping assembly 11 for fixing the cutter 4. The chucking assembly 11 includes a pull rod 111, a pull block 112, and a second spring 113. The pull rods 111 penetrate through the side wall of the tool apron 3 and extend into the tool slot 31, two pull rods 111 are arranged, one ends of the two pull rods 111 located in the tool slot 31 are connected with the clamping blocks 114 together, and one ends of the two pull rods 111 located outside the tool apron 3 are fixedly connected with the pull blocks 112 respectively. The second spring 113 is sleeved on the pull rod 111, and the second spring 113 is located between the side wall of the knife slot 31 and the clamping block 114. The cutter 4 is provided with a clamping groove 15 matched with the clamping block 114, and when the cutter 4 is positioned in the cutter holder 3, the clamping block 114 is clamped and matched with the clamping groove 15.

Referring to fig. 4, when the cutter 4 needs to be replaced or repaired, the clamping block 11 is separated from the cutter 4 only by pulling the pull block 112 and compressing the second spring 113, and separating the clamping block 114 from the clamping groove 15. The clamping block 114 can be always abutted to the cutter 4 due to the arrangement of the second spring 113, and the possibility that the cutter 4 falls off from the cutter groove 31 in the using process is reduced.

Referring to fig. 5-7, four corners of the first cushion block 6 are respectively connected with a sliding rod 12 in a sliding manner, the sliding rod 12 is vertically arranged, one end of the sliding rod is fixedly connected with the upper end face of the workbench 1, and the other end of the sliding rod is connected with a second limiting block 13. Each sliding rod 12 is sleeved with a third spring 14, and the third springs 14 are arranged between the first cushion block 6 and the workbench 1.

Referring to fig. 4, 6 and 7, when the cutter 4 moves down to cut the yarn, the first pad 6 descends and the third spring 14 shortens; after the cutting of the yarn is completed, the first block 6 is moved upwards by the third spring 14 to return to its original position. The third spring 14 reduces the impact force of the cutter 4 on the first cushion block 6 in the yarn cutting process, and prolongs the service life of the device.

The implementation principle of the cutting device for the yarn machine is as follows: when the length of the yarn reaches a preset value, the driving assembly 5 is started, the driving motor 51 starts to operate, the cutter holder 3 moves downwards under the driving of the screw 52 and the guiding action of the guide rod 53, and is aligned with the positioning groove 7 on the first cushion block 6, and the yarns in the yarn grooves 8 are cut off synchronously. After the cutting is finished, the driving motor 51 rotates reversely, the cutter holder 3 moves upwards, the cutter 4 is lifted, and the next round of yarn cutting operation is carried out.

Compress tightly subassembly 9 and compress tightly the yarn before cutter 4 cuts the yarn, reduced the yarn and taken place the possibility of rocking on workstation 1, improved the precision that the device cut.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cutting device for yarn machine which characterized in that: comprises a workbench (1), a portal (2), a tool apron (3), a cutter (4) and a driving component (5), wherein the portal (2) is arranged on the workbench (1), the tool apron (3) is arranged below the portal (2), a tool groove (31) for accommodating the cutter (4) is formed in the lower end face of the tool apron (3), the cutter (4) is arranged in the tool groove (31), the driving component (5) comprises a driving motor (51), a screw rod (52) and a guide rod (53), the driving motor (51) is connected to the top end of the portal (2), the screw rod (52) is vertically and rotatably connected to the workbench (1), the top end of the screw rod (52) is connected with an output shaft of the driving motor (51), and the guide rod (53) is vertically connected to the workbench (1), the top end of the guide rod (53) is connected with the door frame (2), and the guide rod (53) penetrates through the tool apron (3) and is in sliding fit with the tool apron.

2. The cutting device for a yarn machine as claimed in claim 1, wherein: be provided with first cushion (6) on workstation (1), offer on first cushion (6) and be used for holding constant head tank (7) of cutter (4), the position of constant head tank (7) in the vertical direction with cutter (4) keep unanimous, yarn groove (8) that supply the yarn to pass are seted up to the upper surface of first cushion (6), the length direction of yarn groove (8) with the length direction of constant head tank (7) sets up perpendicularly.

3. The cutting device for a yarn machine as claimed in claim 2, wherein: the yarn grooves (8) are arranged on the upper surface of the first cushion block (6) in parallel.

4. The cutting device for a yarn machine as claimed in claim 1, wherein: the tool apron is characterized in that a pressing assembly (9) is connected onto the tool apron (3), the pressing assembly (9) comprises a connecting plate (91), a pressing plate (92) and a pressing rod (93), the connecting plate (91) is horizontally connected onto the tool apron (3), the pressing plate (92) is arranged below the connecting plate (91), and the pressing rod (93) is connected between the pressing plate (92) and the connecting plate (91).

5. The cutting device for a yarn machine as claimed in claim 4, wherein: the pressing rod (93) is in sliding fit with the connecting plate (91), a first limiting block (94) is connected to the top end of the pressing rod (93), the pressing assembly (9) further comprises a first spring (95), the first spring (95) is sleeved on the pressing rod (93), one end of the first spring (95) is abutted to the lower end face of the connecting plate (91), the other end of the first spring (95) is abutted to the upper end face of the pressing plate (92), and the height of the pressing plate (92) is lower than that of the lower end of the cutter (4).

6. The cutting device for a yarn machine as claimed in claim 1, wherein: be provided with chucking subassembly (11) on blade holder (3), chucking subassembly (11) are including pull rod (111), joint piece (114) and draw piece (112), pull rod (111) run through blade holder (3) and stretch into in sword groove (31), draw piece (112) connect in pull rod (111) are located the outer one end of blade holder (3), joint piece (114) connect in pull rod (111) are located the one end in sword groove (31), seted up on cutter (4) with joint groove (15) that joint piece (114) match, joint groove (15) with joint piece (114) joint cooperation.

7. The cutting device for a yarn machine as claimed in claim 6, wherein: the clamping assembly (11) further comprises a second spring (113), the second spring (113) is sleeved on the pull rod (111), one end of the second spring (113) is abutted to the side wall of the cutter groove (31), and the other end of the second spring (113) is abutted to the clamping block (114).

8. The cutting device for a yarn machine as claimed in claim 2, wherein: the vertical slide bar (12) that is connected with on workstation (1), slide bar (12) with first cushion (6) sliding fit, the top of slide bar (12) is connected with second stopper (13), the cover is equipped with third spring (14) on slide bar (12), third spring (14) are located the up end of workstation (1) with between the lower terminal surface of first cushion (6).