CN214529534U - Vertical fiber net type non-yarn stitch-knitting machine with clamping feeding device - Google Patents

Abstract

Provides a vertical web type non-yarn stitch-knitting machine with a clamping feeding device, which is provided with a vertical machine table; a clamping type fiber web feeding device is arranged at the fiber web feeding end of the vertical machine table; the clamping type fiber web feeding device comprises an upper clamping feeding device and a lower clamping feeding device which can adjust the speed, the distance and the angle; the discharge end of the clamping type fiber web feeding device is provided with a vertical fiber web type non-yarn stitch-bonding mechanism; the vertical type fiber mesh type non-yarn stitching mechanism comprises a groove needle component and a curved needle component which are arranged below the vertical type fiber mesh type non-yarn stitching mechanism; a net padding comb sheet component above; a rear back beam assembly at the rear, and a sinker assembly in the middle. The utility model discloses have more horizontal stitch-bonding mechanism compact structure, equipment vibration is little, and fabric transmission resistance is little, has economical and practical, produces the efficient advantage.

Description

Vertical fiber net type non-yarn stitch-knitting machine with clamping feeding device

Technical Field

The utility model belongs to the technical field of weaving equipment, concretely relates to vertical type fibre web type does not have yarn knit-stitch machine with centre gripping feeding device.

Background

A stitch-knitting machine is generally classified into a yarn-knitting machine and a non-yarn stitch-knitting machine as a textile machine. The fiber web type non-yarn stitch-knitting machine is different from the yarn stitch-knitting machine in that: although the yarn-free stitch-knitting machine does not transmit warp yarns, the yarn-free stitch-knitting machine can automatically and repeatedly perform regular and repeated looping, entanglement and stitch-knitting on the disordered short fibers by means of the self short fibers which are randomly interwoven in multiple directions and are arranged in the fiber web, and by means of repeated overlapping, interlude and interaction among pulling, penetrating and hooking actions of the stitch-knitting mechanism, so that the suede type stitch-knitting cloth which is more compact and ordered, has certain strength and full hand feeling is formed.

In the prior art, the fiber mesh type yarn-free stitch-knitting machine is horizontal stitch-knitting equipment. When the knitting machine works, the knitting mechanism reciprocates in the horizontal direction to finish the stitch-bonding action. The disadvantages are that: 1. the horizontal reciprocating motion resistance of the stitch-bonding mechanism is large, the stitch-bonding operation area is large, and the equipment is seriously vibrated; 2. limited space is provided for adding auxiliary mechanisms in the feeding area of the fiber web; 3. due to the horizontal reciprocating motion of the stitch-bonding mechanism, quality defects such as broken needles, needle marks and the like are easily caused in the stitch-bonding process due to stacking and wrinkling generated when the laminated fiber web is fed, and the production quality of the stitch-bonded non-woven fabric is not stable; 4. the stitch-bonding mechanism moves horizontally and reciprocally, the average knitting speed of the stitch-bonding machine cannot be effectively improved, and the production efficiency is low. In view of this, the following improvement is proposed.

Disclosure of Invention

The utility model provides a technical problem: the vertical fiber web type non-yarn stitch-knitting machine with the clamping feeding device is provided, and the clamping fiber web feeding device and the vertical fiber web type non-yarn stitch-knitting mechanism are combined, so that a series of technical problems of a horizontal stitch-knitting machine in the background technology are solved.

The utility model adopts the technical proposal that: vertical type fibre web type does not have yarn knit-stitch machine with centre gripping feeding device, its characterized in that: has a vertical machine platform; a clamping type fiber web feeding device is arranged at the fiber web feeding end of the vertical machine table; the clamping type fiber web feeding device comprises an upper clamping feeding device and a lower clamping feeding device which can respectively regulate the speed, the clamping distance and the feeding angle; the discharge end of the clamping type fiber web feeding device is provided with a vertical fiber web type non-yarn stitching mechanism; the vertical type fiber mesh type non-yarn stitching mechanism comprises a vertical groove needle assembly and a curved needle assembly which are arranged below the fiber mesh and used for repeatedly hooking fibers, and a sinker assembly is arranged below the fiber mesh and is intersected with the groove needle assembly; a vertical net padding comb piece component arranged above the fiber net is arranged right above the space among the groove needle component, the curved needle component and the sinker component; and a vertical rear beam assembly fixedly installed is arranged behind the horizontal parts with the same height of the pad net comb sheet assembly.

In the above technical solution, further: the upper clamping and feeding device comprises an upper driving roller, an upper driven roller, an upper conveying leather curtain and an upper servo motor; the lower clamping and feeding device comprises a lower driving roller, a lower driven roller, a lower conveying leather curtain and a lower servo motor; the upper servo motor and the lower servo motor respectively drive the upper driving roller and the lower driving roller to rotate; the upper and lower servo motors are connected to a speed regulating system; the speed regulating system comprises a power supply, a switch, a servo driver and a speed regulator.

In the above technical solution, further: the upper clamping feeding device is obliquely conveyed downwards; the lower clamping and feeding device is obliquely conveyed downwards; the final clamping feeding inclination angle formed by the transmission tail ends of the upper clamping feeding device and the lower clamping feeding device is 30-60 degrees; the upper clamping and feeding device and the lower clamping and feeding device are connected with the feeding rack into a whole; the bottom end of the frame body at the feeding end of the feeding frame is hinged with the execution tail end of a piston rod of the air cylinder; the cylinder is positioned below the foremost end of the conveying tail end of the lower clamping and feeding device and is supported and installed in an upward inclined mode; the cylinder is used for adjusting a final clamping and feeding inclination angle formed by the transmission tail ends of the upper clamping and feeding device and the lower clamping and feeding device.

In the above technical solution, further: the clamping type fiber web feeding device comprises a feeding rack; a first strip-shaped hole which is vertically inclined is formed above the feeding tail end of the feeding rack; a second strip-shaped hole which is transversely inclined is formed below the feeding tail end of the feeding rack; the first strip-shaped holes and the second strip-shaped holes are vertical to each other; the first strip-shaped hole is used for adjusting the height of a transmission roller of the upper clamping feeding device; and the second strip-shaped hole is used for adjusting the height of a transmission roller of the lower clamping feeding device.

In the above technical solution, further: a baffle guide assembly is arranged between the clamping type fiber web feeding device and the vertical type fiber web non-yarn stitching mechanism; the baffle guide assembly comprises an upper baffle and a lower baffle; the upper baffle plate and the guide tail end of the lower baffle plate form a guide included angle, the guide included angle is inclined towards the oblique lower side, and the inclination angle of the guide included angle is 45 degrees; the guide tail end of the guide included angle is arranged right opposite to the feeding end of the vertical type fiber mesh type non-yarn stitching mechanism.

In the above technical solution, further: the tail end of the grooved needle assembly is fixedly provided with a grooved needle which vertically reciprocates upwards and is used for hooking fibers, and the grooved needle is of a vertical comb structure; the needle head at the top end of the slot needle is attached to the lower part of the middle part of the sinker body in the sinker assembly; the bottom end of the grooved needle body is fixedly connected with a vertically arranged grooved needle bed into a whole; the middle part of the back of the grooved needle bed is fixedly connected with the top of the grooved needle bed support; the bottom end of the grooved needle bed support is fixedly connected with the top end of a driving shaft A which vertically reciprocates into a whole; the driving shaft A is coaxially guided, matched and supported through a shaft sleeve A; the outer side of the shaft sleeve A is fixedly connected with the vertical machine table into a whole.

In the above technical solution, further: the tail end of the curved needle assembly is obliquely and fixedly supported with a curved needle; the tail end of the curved needle is provided with an obtuse angle bending comb tooth structure; the obtuse-angle bent part of the curved needle is inclined upwards in an inclined manner, and the tail end of the curved needle faces and is close to the middle part of the needle body of the grooved needle in the grooved needle assembly; the curved needle is obliquely and fixedly supported and installed through an inclined plane type curved needle bed; the middle part of the back side of the vertical part of the curved needle bed is fixedly connected with the top of the curved needle bed support; the bottom end of the curved needle bed support is fixedly connected with the top end of a driving shaft B which vertically reciprocates into a whole; the driving shaft B is coaxially guided, matched and supported through a shaft sleeve B; the outer side of the shaft sleeve B is fixedly connected with the vertical machine table into a whole.

In the above technical solution, further: the tail end of the net padding comb sheet component is provided with a net padding comb sheet; the lower end of the net padding comb sheet is provided with an arc-shaped surface comb tooth structure; arc-shaped face comb teeth at the lower end of the net padding comb sheet are arranged right above a sinker of a sinker assembly arranged at a gap between a groove needle of the groove needle assembly and a bent needle of the bent needle assembly; the pad net comb sheet is fixed at the lower end of a vertically downward pad net comb sheet needle bed; the upper end of the pad net comb sheet needle bed is fixedly connected with the lower end of a support shaft which is arranged downwards of the vertical machine table.

In the above technical solution, further: the sinker assembly is provided with a sinker which is of a rake claw structure, the top end of the rake claw structure is provided with a needle groove, and a groove needle of the groove needle assembly penetrates through the needle groove and then is inserted into an upper fiber net to hook fibers; the bending direction of the rake claws of the sinker is opposite to that of the bent needle in the bent needle assembly, and the highest bending point of the rake claws of the sinker is just tangent to the lowest point of the lower end of the net laying comb piece in the net laying comb piece assembly; the bottom end of the sinker is fixed at one side of the top end of the sinker needle bed which is vertically arranged, and the bottom end of the sinker needle bed is fixedly connected with the top of the vertical bracket on the upper end surface of the vertical machine table.

In the above technical solution, further: the back beam assembly has a back beam; the rear beam is horizontally arranged and is a guide structure with a smooth surface; the back beam is positioned right behind the net padding comb sheet in the net padding comb sheet assembly and arranged along the running direction of the stitched non-woven fabric; the top end of the rear side of the rear beam is fixed with the lower end of a rear beam plate seat of the vertical structure; the upper end of the back beam plate seat is fixed with the lower side of the top end of the vertical machine table; a cloth guide roller is arranged in the horizontal direction far away from the rear beam and positioned in the transmission direction of the rear beam; a tension roller is arranged below the cloth guide roller in the horizontal direction; the stitch-bonded non-woven fabric is led out from the lower horizontal direction of the back beam far away from the back beam through a fabric guide roller and a tension roller and then wound into a roll; the surfaces of the cloth guide roller and the tension roller are of pitted surface structures.

The utility model has the advantages compared with the prior art:

1. the utility model discloses the centre gripping feed can compress the stack to the fibre web before the stitch-bonding to increase the stitch-bonding compactness.

2. The utility model discloses a speed regulator is adjusted and is gone up servo motor and servo motor's speed difference down, for example with last servo motor speed regulation to being greater than servo motor speed down to realize different thickness layer fibre web stitch-bonding, can guarantee throughout to send into the superiors ' fibre web and lower floor's fibre web stitch-bonding district in step, prevent the appearance of fold quality defect, improve the stitch-bonding quality, stabilize the production quality.

3. The utility model discloses a thereby the centre gripping interval is transferred to the mounting height of centre gripping feeding device, lower centre gripping feeding device driving roller in first bar hole and second bar hole are adjusted respectively, realizes that the centre gripping transmission of different thickness fibre nets is carried, solves the adaptability regulation problem of different thickness stitch-bonding non-woven fabrics product production.

4. The utility model is used for integrally lifting and adjusting the feeding angle on one hand, and is used for fully exposing the stitch-bonding mechanism after lifting the feeding mechanism when the equipment is stopped and maintained on the other hand, thereby facilitating the maintenance of the stitch-bonding mechanism; solves the technical problems of optimal feeding angle adjustment and convenient maintenance of the stitch-bonding equipment.

5. The utility model uses the action of hooking the hooked yarn of the fiber bundle by the grooved needle and the curved needle which are in the cross and reciprocating motion, and uses the padding mesh comb sheet to pad the fiber mesh into the groove of the grooved needle; the sinker blocks the old coil so that the groove needle moves upwards again to hook new fibers; the sinker prevents the groove needle hook from hooking the old coil, so that the new fiber bundle hooked by the groove needle smoothly passes through the old coil to form a new coil, and finally a chaining tissue is formed; the weaving process is repeated at high speed until a continuous chain is formed at the bottom layer of the fiber net, the surface layer presents napped non-woven fabrics after non-yarn stitch-bonding, and then the non-woven fabrics are tensioned and output below the back beam, so that the technical problem of vertical stitch-bonding weaving of non-yarn stitch-bonding weaving is solved, the structure is compact, and the stitch-bonding is efficient.

6. The utility model discloses vertical stitch-bonding mechanism, more horizontal stitch-bonding mechanism have compact structure, and equipment vibration is little, and fabric transmission resistance is little, has economical and practical, produces the efficient advantage.

7. The utility model can form compact chaining organization only by the high-density, high-speed, vertical reciprocating crochet hook, curved needle and loop-through stitching actions in a small size range, and compared with horizontal stitching equipment, the utility model realizes the non-yarn stitching at first; secondly, high-efficiency stitch-bonding is realized, and the production efficiency is obviously improved.

8. The utility model discloses vertical stitch-bonding mechanism is difficult for appearing broken needle quality defect and fold defect, and stitch-bonding non-woven fabrics production quality is reliable stable, and the unsteady interval of stitch-bonding action is little, and the speed of weaving on average is showing and is promoting, and production is high-efficient.

Drawings

Fig. 1 is an enlarged detail structure diagram of the clamping type fiber web feeding device and the vertical type fiber web type non-yarn stitching mechanism in the cylinder lifting state of the utility model.

Fig. 2 is a front view of the stitch-knitting machine of the present invention.

Fig. 3 is an electric control schematic diagram of the speed regulation of the upper and lower servo motors of the present invention.

Fig. 4 is a schematic view of a sinker structure in the sinker assembly.

Detailed Description

Specific embodiments of the present invention will be described below with reference to fig. 1 to 4.

In the present invention, regarding the noun description of the orientation, it should be noted that, the left side: all should be understood as the direction of the feed end and the right side should be understood as the direction of the discharge end. The description of specific orientations, such as left and right, is merely for convenience of description and understanding of the present invention and should not be taken as limiting the absolute orientation of the technical solutions.

A vertical web type flat knitting machine with a clamping and feeding device has a vertical machine table 10.

The vertical machine table 10 has a small floor area and a compact structure, and is mainly a box-type supporting structure.

The front end of the left side of the vertical machine table 10 in the direction shown in fig. 2, namely the upper end surface of the feeding end of the fiber web 8, supports and is provided with a clamping type fiber web feeding device; the clamping type fiber web feeding device adjusts the front end feeding angle through the lifting of the cylinder. Meanwhile, the technical problem that the rear-side vertical fiber web type non-yarn stitching mechanism is completely reserved to facilitate maintenance operation under the condition that equipment at the front end of the clamping type fiber web feeding device is maintained through the air cylinder is solved.

The clamping type fiber web feeding device (as shown in figure 2) comprises an upper clamping feeding device 13 and a lower clamping feeding device 14 which can respectively regulate the speed, the clamping distance and the feeding angle.

The speed regulation function of the upper clamping and feeding device 13 and the lower clamping and feeding device 14 is used for solving the problems of accumulation and folding of the stitch-bonding feeding.

The distance adjusting function of the upper clamping feeding device 13 and the lower clamping feeding device 14 is used for solving the problem of adjusting the clamping adaptability of stitch-bonded products with different thicknesses.

The adjusting function of the feeding angles of the clamping ends of the upper clamping feeding device 13 and the lower clamping feeding device 14 is used for solving the problems of adjusting the sizes of the stitch loops of different types of stitch-bonded products and the adaptability of the production speed.

In order to solve the technical problems: the first step is as follows: the included angle formed between the upper clamping and feeding device 13 and the lower clamping and feeding device 14 is used for clamping and feeding materials which incline towards the rear side by 30-60 degrees.

In the above embodiment, further: the upper clamping and feeding device 13 comprises an upper driving roller 13-1, an upper driven roller 13-2, an upper conveying leather curtain and an upper servo motor, wherein the upper driving roller 13-1, the upper driven roller 13-2, the upper conveying leather curtain and the upper servo motor are arranged above the feeding rack 18 and are obliquely arranged from the left side to the right side to the lower support.

Wherein, the upper driving roller 13-1 is arranged at the left upper side of the feeding frame 18, the upper driving roller 13-1 is arranged at the right lower side of the feeding frame 18, the upper driving roller 13-1 is connected with the upper driving roller 13-1 through a conveying leather curtain which inclines downwards, and the shaft end of the upper driving roller 13-1 is coaxially provided with a servo motor.

The lower clamping and feeding device 14 comprises a lower driving roller 14-1, a lower driven roller 14-2, a lower conveying leather curtain and a lower servo motor, wherein the lower driving roller 14-1 is positioned below the feeding rack 18 and is obliquely and downwards supported and installed from a left feeding end to a right discharging end.

Wherein, the lower driving roller 14-1 is horizontally supported and installed at the feeding end at the left lower side of the feeding frame 18, the lower driven roller 14-2 is horizontally supported and installed at the discharging end at the right lower side of the feeding frame 18, the lower driving roller 14-1 and the lower driven roller 14-2 are connected through a lower conveying leather curtain which inclines downwards, and the shaft end of the lower driving roller 14-1 is coaxially provided with a lower servo motor.

The upper servo motor and the lower servo motor respectively drive the upper driving roller and the lower driving roller to rotate; the upper and lower servo motors are connected to a speed regulating system; the speed regulating system comprises a power supply, a switch, a servo driver and a speed regulator.

(as shown in fig. 3) the governor system comprises a power supply, a switch, two servo drives and two governors; FIG. 3 is a schematic diagram of the connection mode of the above components to connect the upper and lower servo motors and the speed control principle.

Wherein, the power supply is used for supplying power for the upper and lower servo motors in parallel; the speed regulators and the servo drivers are respectively connected to the parallel power supply circuits of the upper and lower servo motors in series, and the two speed regulators and the servo drivers are respectively used for independently controlling and adjusting the speeds of the two servo motors. The servo drivers are respectively used for driving the corresponding servo motors to operate.

In the above embodiment, further: the upper clamping and feeding device 13 is obliquely conveyed from a left feeding end to a right discharging end towards the lower right; the lower clamping and feeding device 14 is positioned below the upper clamping and feeding device 13 and is obliquely conveyed from a left feeding end to a right discharging end towards the right oblique lower side.

The left side feeding end of the upper clamping and feeding device 13 and the right side discharging end of the lower clamping and feeding device 14 are open ends, and the right side discharging end is a clamping and closing end.

The final clamping feeding inclination angle formed by the delivery tail ends of the right side end closing ends of the upper clamping feeding device 13 and the lower clamping feeding device 14 is 30-60 degrees. Including 30 °, 35 °, 40 °, 45 °, 50 °, 60 ° tilt angles.

The angle is used for adaptively adjusting the final feeding angle according to the thickness of different types of non-woven fabrics and the size of the knitted loops. Wherein, 45 degrees is the best, most economical and most efficient feeding production angle.

The second step is that: in order to solve the angle adjustment problem of the clamping type fiber web feeding device: the upper clamping and feeding device 13 and the lower clamping and feeding device 14 are connected with the feeding frame 18 into a whole.

The bottom end of the feeding frame 18 is hinged with the end of a piston rod of the air cylinder 15.

The feeding end of the feeding frame 18 is hinged and connected with the top end of the vertical supporting frame 17 of the vertical machine table 10 and rotates around a hinged point so as to adjust the inclination angle of the feeding end.

The cylinder 15 is arranged below the foremost end of the conveying tail end of the lower clamping and feeding device 14 and is supported and installed from the left feeding end to the right discharging end in an inclined and upward mode.

The bottom end of the cylinder body of the cylinder 15 is hinged with the upper end face of the vertical machine table 10.

The piston rod of the cylinder 15 which extends and retracts towards the upper right discharge end is used for pushing or pulling to adjust the inclination angle of the feeding end of the feeding rack 18, and further, the final clamping feeding inclination angle formed by the transmission tail ends of the upper clamping feeding device 13 and the lower clamping feeding device 14 is adjusted.

(as shown in FIG. 1) a third step: in the above embodiment, in order to solve the technical problem of adjusting the distance between the upper clamping and feeding device 13 and the lower clamping and feeding device 14: the clamping type fiber web feeding device comprises a feeding rack 18; a first strip-shaped hole 18-1 which is vertically inclined is formed above the feeding tail end of the feeding rack 18; a second strip-shaped hole 18-2 which is transversely inclined is formed below the feeding tail end of the feeding rack 18; the first strip-shaped hole 18-1 and the second strip-shaped hole 18-2 are perpendicular to each other.

The side plate body of the first strip-shaped hole 18-1 is fixedly supported and provided with the bearing seat and the bearing assembly through parallel strip-shaped grooves which are symmetrical to each other through a left shaft and a right shaft by fastening bolt assemblies.

The bearings of the bearing seat bearing assembly are respectively used for supporting the rotary installation of the driving roller of the upper clamping feeding device 13. And the positions of the bearing seat and the bearing assembly relative to the first strip-shaped hole 18-1 are moved by disassembling the fastening bolt assembly, so that the mounting height of the driving roller of the upper clamping feeding device 13 is adjusted.

Similarly, the side plate body of the second strip-shaped hole 18-2 is fixedly supported and provided with the bearing seat and the bearing assembly in a fastening mode through parallel strip-shaped grooves which are symmetrical with each other by a fastening bolt assembly; the bearing of the bearing seat bearing assembly is used for supporting the rotating installation of the driving roller of the lower clamping feeding device 14. By detaching the fastening bolt assembly, the position of the bearing seat and the bearing assembly relative to the second strip-shaped hole 18-2 is moved, and then the height of the driving roller of the lower clamping feeding device 14 is adjusted. Finally, the adjustment of the clamping distance between the upper clamping and feeding device 13 and the lower clamping and feeding device 14 is realized. Thereby the non-woven fabrics with different thickness models can be produced in a flexible way.

The discharge end of the clamping type fiber web feeding device is provided with a vertical fiber web type non-yarn stitching mechanism. All the stitch-bonding mechanisms of the vertical fiber mesh type non-yarn stitch-bonding mechanism are installed vertically, the stitch-bonding action is used as a non-yarn stitch-bonding action, and a knitting buckle is formed aiming at fibers carried by a fiber mesh, so that a knitting chain is finally formed.

The vertical type fiber mesh type non-yarn stitching mechanism comprises a vertical groove needle assembly 1 and a vertical looper assembly 2, wherein the groove needle assembly 1 and the looper assembly 2 are arranged below a fiber mesh 8 and used for repeatedly hooking and taking fibers.

The grooved needle assembly 1 and the curved needle assembly 2 reciprocate linearly up and down at a high speed, wherein the grooved needle is used for hooking fibers, and the curved needle is used for picking the fibers.

In the above embodiment, further: the tail end of the grooved needle assembly 1 is fixedly provided with a grooved needle which vertically reciprocates upwards and is used for hooking fibers, and the grooved needle is of a vertical comb structure; the tail end of the top end of the groove needle is provided with a hook head structure which is convenient for hooking and taking fibers.

The top needle head hook structure of the groove needle is just used for being attached to the lower part of the middle part of the sinker body in the sinker assembly 3 under the unwoven state.

The bottom end of the grooved needle body is fixedly connected with a vertically arranged grooved needle bed 1-1 into a whole.

The grooved needle bed 1-1 is of a vertical inclined plate body structure, the top end of the left side is a vertical surface, and the vertical surface is used for vertically and fixedly supporting and mounting grooved needles; the top end of the right side is an inclined plane which inclines towards the lower right side, and the inclined plane is used for avoiding, so that sufficient space is provided for mounting the sinker assembly 3.

The middle part of the back of the inclined surface side of the grooved needle bed 1-1 is fixedly connected with the top of a grooved needle bed support 1-2 of the vertical supporting structure by using a fastening component; thereby realizing the function of clockwise deflection motion of the grooved needle at the top end of the grooved needle bed 1-1 relative to the top end of the grooved needle bed support 1-2.

The bottom end of the grooved needle bed support 1-2 is fixedly connected with the top end of a driving shaft A1-4 which vertically reciprocates into a whole by welding or fastening. The drive shaft a1-4 is pushed by the drive arm to reciprocate at high speed.

The driving shaft A1-4 is coaxially guided, matched and supported by a shaft sleeve A1-3, so that linear guiding reciprocating displacement of the driving shaft A1-4 is realized. The outer side of the shaft sleeve A1-3 is fixedly connected with the vertical machine table 10 into a whole.

In the above embodiment, further: the tail end of the curved needle component 2 is obliquely and fixedly supported with a curved needle. The tail end of the curved needle is provided with an obtuse angle bending comb tooth structure; the obtuse angle bending part of the curved needle inclines upwards in an inclined mode, and the tail end of the curved needle faces towards and is close to the middle of the needle body of the grooved needle in the grooved needle assembly 1. The obtuse angle bending angle of the bent needle ranges from 135 degrees to 160 degrees. The curved needle is obliquely bent upwards towards the direction of the right discharging end.

The curved needle is obliquely and fixedly supported and installed through an inclined plane type curved needle bed 2-1. The upper end of the curved needle bed 2-1 is an inclined supporting surface which inclines towards the right side and the upper side, and the inclined angle of the inclined supporting surface and the horizontal plane is 52 degrees. The lower end of the curved needle bed 2-1 has a vertical part. The back side, namely the right middle part, of the vertical part of the curved needle bed 2-1 is fixedly connected with the top of a curved needle bed support 2-2 of a vertical plate body structure.

The bottom end of the curved needle bed support 2-2 is fixedly connected with the top end of a driving shaft B2-4 which vertically reciprocates into a whole; the drive shaft B2-4 is pushed by a drive arm to reciprocate at high speed. All driving arm mechanisms capable of realizing high-speed reciprocating motion are suitable for the scheme.

The driving shaft B2-4 is coaxially guided, adapted and supported through a shaft sleeve B2-3 and is linearly guided to reciprocate; the outer side of the shaft sleeve B2-3 is fixedly connected with the vertical machine table 10 into a whole.

It should be noted that the driving shaft a1-4 and the driving shaft B2-4 are arranged in a coplanar manner to form a row of multiple pairs, and the longer the device, the more the pairs, the shorter the device, and the fewer the pairs. All high-speed reciprocating linear moving mechanisms or driving mechanisms capable of realizing high-speed reciprocating linear movement of the driving shaft A, B are suitable for the scheme. Since the above mechanism is not innovative in this case, the detailed implementation will not be described in detail.

A vertical net padding comb plate component 4 arranged above the fiber net 8 is arranged right above the space among the groove needle component 1, the curved needle component 2 and the sinker component 3.

The lapping comb plate assembly 4 is used for lapping the fiber net 8 downwards into the groove needle groove of the groove needle assembly 1, when the groove needle of the groove needle assembly 1 moves downwards, a needle hook on the groove needle directly hooks fiber bundles from the fiber net 8 along the length direction to be used as stitch knitting yarn to form an old coil, the looper assembly 2 moves upwards, and the needle point of the looper is inserted into the old coil to perform a looper action. Cooperate to press down the interlude stitch.

In the above embodiment, further: the tail end of the net padding comb sheet component 4 is provided with a net padding comb sheet; the lower end of the net padding comb sheet is provided with an arc-shaped surface comb structure. The arc-shaped structure is convenient for pressing the fiber net 8 into the groove of the groove needle.

Arc-shaped face comb teeth at the lower end of the mesh padding comb plate are positioned right above a sinker of the sinker assembly 3 arranged at a gap between the groove needle of the groove needle assembly 1 and the bent needle of the bent needle assembly 2 and are tangent to the upper end face of the sinker. In a natural non-working state, the upper end face of the sinker assembly 3 is attached to the lower end face of the fiber net 8.

The right rear side of the vertical part at the upper end of the net padding comb sheet is fixedly arranged at the lower end of a vertically downward net padding comb sheet needle bed 4-1 in a fastening mode.

The lapping and combing needle bed 4-1 is of a vertical plate structure, the upper end of the lapping and combing needle bed 4-1 is fixedly connected with the lower end of a supporting arm on the left side of the vertical plate, and the supporting arm is vertically arranged and synchronously rotates along with the supporting shaft 4-2; the supporting shaft 4-2 is connected with the vertical machine table 10 in a rotating mode, the supporting shaft 4-2 drives the supporting arms to swing, then the supporting arms drive the net-padding comb-piece needle bed 4-1 and the net-padding comb-piece at the tail ends of the supporting arms to swing by a certain angle, and the supporting arms, the net-padding comb-piece needle bed 4-1 and the net-padding comb-piece are arranged vertically downwards in a natural non-working state.

And a vertical rear beam assembly 5 fixedly installed is arranged behind the pad net comb plate assembly 4 at the same height in the horizontal direction.

In the above embodiment, further: the back beam assembly 5 has a back beam. The back beam is horizontally arranged and is a guide structure with a smooth surface.

The back beam is positioned right behind the net-padding comb sheet in the net-padding comb sheet component 4 and is arranged in parallel to the running direction along the running direction of the stitch-bonded back non-woven fabric 9. And the back beam component 5 is positioned right behind the discharge ends of the grooved needle component 1, the curved needle component 2, the sinker component 3 and the net padding comb plate component 4.

The top end of the right rear side of the rear beam is fixed with the lower end of a rear beam plate seat 5-1 of the vertical plate body structure.

The upper end of the back beam plate seat 5-1 is vertically and fixedly connected with the horizontal end surface below the top end of the vertical machine table 10 into a whole.

(with reference to fig. 2) a cloth guide roller 11 is provided in the horizontal transport direction at the same height as the horizontal transport direction of the rear beam away from the rear beam. The cloth guide roller 11 is used for receiving the woven non-woven cloth guided and pressed by the rear beam.

A tension roller 12 is arranged below the cloth guide roller 11 in the horizontal direction; the tension roller 12 is used for reversing and guiding to tension and transmit the woven non-woven fabric cloth.

Further: the surfaces of the cloth guide roller 11 and the tension roller 12 are of pitted surface structures so as to increase friction force and prevent slipping.

The stitch-bonded non-woven fabric 9 is led out from the lower horizontal direction of the back beam far away from the back beam through a fabric guide roller 11 and a tension roller 12 and then wound into a roll.

A sinker assembly 3 is also arranged below the fiber web 8 (as shown in fig. 1) and is crossed with the grooved needles of the grooved needle assembly 1 during stitch-bonding. The sinker assembly 3 is used for crossing with the groove needle assembly 1 which axially vertically ascends and descends, and hooking fiber rings by combining the bending assembly 2 which axially vertically ascends and descends, so that the stitch-bonding action is realized.

In the above embodiment, further: the sinker assembly 3 has sinkers. The sinker is of a rake claw structure, a needle groove 301 (shown in fig. 4) is formed in the top end of the rake claw structure, the grooved needle of the grooved needle assembly 1 penetrates through the needle groove 301 in the top end of the sinker rake claw of the sinker assembly 3 and then is inserted into the upper fiber mesh 8 to hook fibers, the upper old coil is blocked, and therefore the grooved needle of the grooved needle assembly 1 moves upwards again to hook new fibers to be knitted.

The bending direction of the rake claw of the sinker is opposite to the bending direction of the curved needle in the curved needle assembly 2 so as to form a knitting interlacing structure by matching with the curved needle.

The highest bending point of the rake claws of the sinkers in the sinker assembly 3 is just tangent to the lowest point of the lower ends of the net-laying comb pieces in the net-laying comb piece assembly 4. So that the sinker and the net laying comb plate can be mutually interpenetrated and woven with the grooved needles which do reciprocating lifting motion continuously to form a plurality of new chain-connection interweaving points continuously.

The bottom end of the sinker is fixed at one side of the top end of a sinker needle bed 3-1 which is vertically arranged, and the extension arm of the sinker body is obliquely arranged from left to right towards the lower right. The inclined tail end of the lower right side is provided with a vertical structure, and the vertical structure is fixedly connected with the vertical structure at the top left side of the sinker needle bed 3-1 into a whole.

The bottom end of the sinker needle bed 3-1 is fixedly connected with the top of the vertical support 3-2, and the bottom end of the vertical support 3-2 is vertically fastened and supported with the upper end face of the vertical machine table 10 into a whole.

In the above embodiment, further: in order to provide stable feeding guide, feeding is carried out at an optimal angle: and a baffle guide assembly is arranged between the clamping type fiber web feeding device and the vertical type fiber web non-yarn stitching mechanism before entering the stitching area.

The baffle guide assembly comprises an upper baffle 6 and a lower baffle 7. The upper baffle 6 and the lower baffle 7 are sheet metal parts subjected to surface polishing treatment.

The direction included angle is formed by the upper baffle 6 and the guide tail end on the right side of the lower baffle 7, the direction included angle is inclined towards the oblique lower side, and the inclination angle of the direction included angle is 45 degrees.

Meanwhile, the guide tail end of the guide included angle is arranged right opposite to the feeding end of the vertical type fiber mesh type non-yarn stitching mechanism.

Specifically, the method comprises the following steps: the upper baffle 6 is obliquely arranged from left to right towards right lower part, and the vertical end surface of the upper end of the left side of the upper baffle 6 is supported and installed through an upper baffle bracket 6-1.

The upper baffle plate bracket 6-1 is horizontally and fixedly arranged in the direction vertical to the vertical supporting arm below the supporting shaft 4-2; and the vertical end surface of the left side of the upper baffle bracket 6-1 is fixedly connected with the vertical part of the upper end of the upper baffle 6.

The lower baffle 7 inclines from left to right towards right side and upwards, and the inclined upper end at the rightmost side is provided with a guide tongue; the guide tongue and the guide tongue at the lower end of the upper baffle 6 form a final feeding guide included angle, namely a 45-degree feeding guide included angle so as to guide and feed materials towards the oblique lower part. The inclined directions of the upper baffle and the lower baffle are combined, the left large-opening end and the right closing end are combined, and the function of closing and flattening the multilayer fiber net 8 is achieved.

The middle part of the lower baffle is supported and installed through a lower baffle bracket 7-1; the bottom end of the lower baffle plate bracket 7-1 is vertically and fixedly connected with the upper end face of the vertical machine table 10 into a whole.

The utility model discloses a theory of operation does: the fiber web 8 with a certain thickness is fed into the stitch-bonding area from top to bottom at an angle of 30-60 degrees through the clamping fiber web feeding device and then is guided by the upper baffle and the lower baffle and then is fed into the stitch-bonding area at an angle of 45 degrees from top to bottom, and the grooved needle assembly 1 and the curved needle assembly 2 do up-and-down reciprocating motion. The grooved needle moves upwards to penetrate through a needle groove 301 in the sinker assembly 3 and then is inserted into the fiber web 8, the fiber web 8 is padded into the grooved needle groove of the grooved needle assembly 1 by the mesh padding comb plate assembly 4 above, when the grooved needle of the grooved needle assembly 1 moves downwards, a needle hook on the grooved needle directly hooks a fiber bundle from the fiber web 8 along the length direction to form an old loop as stitch-bonding yarn, the looper assembly 2 moves upwards, and the needle point of the looper is inserted into the old loop to perform a yarn bending action: the old coil on the upper surface is blocked by the sinker of the sinker assembly 3, the grooved needle of the grooved needle assembly 1 moves upwards again to hook the fibers, meanwhile, the curved needle of the curved needle assembly 2 is also positioned in the old coil, the old coil is moved to the tip of the curved needle assembly 2 from the grooved needle hook of the grooved needle assembly 1, and when the grooved needle hooks the fibers downwards again, the old coil is just positioned on the curved needle to finish the looping action; and the sinker of the sinker assembly 3 is used for preventing the grooved needle hook of the grooved needle assembly 1 from hooking the old coil, so that the new fiber bundle hooked by the grooved needle smoothly passes through the old coil to form a new coil, and the operations of one-time yarn bending, looping and knocking-off are finished. The continuous chain stitch is formed on the bottom layer of the fiber net 8 by the repeated weaving, the surface layer presents a napped non-woven fabric 9 after the non-woven fabric 9 is stitch-bonded, and the non-woven fabric 9 after the weaving is horizontally pulled out of a stitch-bonding area by the back beam of the back beam component 5 and is conveyed until being coiled.

From the above description it can be found that: the utility model discloses the centre gripping feed can compress the stack to the fibre web before the stitch-bonding to increase the stitch-bonding compactness.

The utility model discloses a speed regulator is adjusted servo motor and lower servo motor's speed difference, adjusts the velocity of motion of upper and lower conveying leather curtain, for example with last servo motor speed regulation to being greater than servo motor speed down to the realization is according to the fibre web on different thickness layers, can guarantee throughout when feeding the superiors ' fibre web and the slope of lower floor's fibre web, can send into the stitch-bonding district in step, prevents the appearance of fold quality defect, improves the stitch-bonding quality, and the stable production quality.

The utility model discloses a first bar hole and second bar hole adjust respectively the centre gripping feeding device, down the clearance of centre gripping feeding device centre gripping end driving roller to transfer the centre gripping interval, realize that the centre gripping transmission of different thickness fibre nets is carried, solve the adaptability regulation problem of different thickness stitch bonding non-woven fabrics product production.

The utility model is used for lifting and adjusting the feeding angle integrally, and lifting the feeding mechanism when the equipment is stopped for maintenance, so as to fully expose the stitching mechanism and facilitate the maintenance of the stitching mechanism; solves the technical problems of optimal feeding angle adjustment and convenient maintenance of the stitch-bonding equipment.

The utility model uses the crossed and cooperated reciprocating grooved needle for hooking and curved needle for picking, respectively hooking and picking, and the padding function of padding the fiber mesh into the grooved needle groove by the padding comb sheet; the sinker blocks the old coil so that the groove needle moves upwards again to hook new fibers; the sinker prevents the groove needle hook from hooking the old coil, so that the new fiber bundle hooked by the groove needle smoothly passes through the old coil to form a new coil, and finally a chaining tissue is formed; the continuous chain stitch is formed on the bottom layer of the fiber net, the surface layer presents a napped non-woven fabric after non-yarn stitch-bonding, and the non-woven fabric after stitch-bonding is finally tensioned and output by the guiding property below the back beam, so that the technical problem of vertical stitch-bonding weaving of non-yarn stitch-bonding weaving is solved, the structure is compact, and the stitch-bonding is efficient.

The utility model discloses vertical stitch-bonding mechanism, more horizontal stitch-bonding mechanism have compact structure, and equipment vibration is little, and fabric transmission motion resistance is little, economical and practical, production efficient advantage.

The utility model can form compact chaining organization only by the high-density, high-speed, vertical reciprocating crochet hook, curved needle and loop-through sewing and knitting actions in a small size range and by means of the irregular fiber organization of the fiber net, and realizes the non-yarn sewing and knitting firstly compared with the horizontal sewing and knitting equipment; secondly, high-efficiency stitch-bonding is realized, and the production efficiency is obviously improved.

The utility model discloses vertical stitch-bonding mechanism is difficult for appearing broken needle quality defect and fold defect, and stitch-bonding non-woven fabrics production quality is reliable stable, and the average speed of weaving of stitch-bonding machine is showing and is promoting, and production is high-efficient.

To sum up, the utility model overcomes horizontal stitch-bonding equipment stitch-bonding resistance is big under the prior art, stitch-bonding inefficiency, and stitch-bonding quality defect problem is serious, the serious technical problem of equipment vibration. Has the advantages of economy, practicality, compactness, high efficiency, stability and high-quality production; the produced non-woven fabrics without yarn stitch bonding are mainly used in the fields of automobile interior decoration, industrial filtration, household fabrics, medical treatment and health, and environmental protection packaging.

It should be understood that although the present description is described in terms of one embodiment, this embodiment does not include only a single embodiment, but such description is merely for clarity, and those skilled in the art will recognize that the embodiments described in this embodiment can be combined as appropriate to form other embodiments as would be understood by those skilled in the art.

The above-mentioned preferred embodiments are not intended to limit the scope of the present invention, so that all equivalent changes made in the claims of the present invention are included in the claims of the present invention; the components and materials used in the above examples are commercially available unless otherwise specified.

Claims (10)

1. Vertical type fibre web type does not have yarn knit-stitch machine with centre gripping feeding device, its characterized in that: comprises a vertical machine table (10); the feeding end of the fiber web (8) of the vertical machine table (10) is provided with a clamping type fiber web feeding device; the clamping type fiber web feeding device comprises an upper clamping feeding device (13) and a lower clamping feeding device (14) which can respectively regulate the speed, the clamping distance and the feeding angle; the discharge end of the clamping type fiber web feeding device is provided with a vertical fiber web type non-yarn stitching mechanism; the vertical type fiber mesh type non-yarn stitching mechanism comprises a vertical groove needle assembly (1) and a curved needle assembly (2), wherein the groove needle assembly (1) and the curved needle assembly are arranged below a fiber mesh (8) and used for repeatedly hooking and taking fibers, and a sinker assembly (3) is arranged below the fiber mesh (8) and is intersected with the groove needle assembly (1); a vertical net padding comb piece component (4) which is arranged above the fiber net (8) is arranged right above the space among the grooved needle component (1), the curved needle component (2) and the sinker component (3); and a vertical rear beam assembly (5) fixedly installed is arranged behind the pad net comb sheet assembly (4) in the horizontal direction with the same height.

2. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: the upper clamping and feeding device (13) comprises an upper driving roller (13-1), an upper driven roller (13-2), an upper conveying leather curtain and an upper servo motor; the lower clamping and feeding device (14) comprises a lower driving roller (14-1), a lower driven roller (14-2), a lower conveying leather curtain and a lower servo motor; the upper servo motor and the lower servo motor respectively drive the upper driving roller and the lower driving roller to rotate; the upper and lower servo motors are connected to a speed regulating system; the speed regulating system comprises a power supply, a switch, a servo driver and a speed regulator.

3. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: the upper clamping feeding device (13) is obliquely conveyed downwards; the lower clamping and feeding device (14) is obliquely conveyed downwards; the final clamping feeding inclination angle formed by the transmission tail ends of the upper clamping feeding device (13) and the lower clamping feeding device (14) is 30-60 degrees; the upper clamping and feeding device (13) and the lower clamping and feeding device (14) are connected with the feeding rack (18) into a whole; the bottom end of the frame body at the feeding end of the feeding frame (18) is hinged with the execution tail end of a piston rod of the air cylinder (15); the air cylinder (15) is positioned below the foremost end of the conveying tail end of the lower clamping and feeding device (14) and is supported and installed in an upward inclined mode; the air cylinder (15) is used for adjusting a final clamping feeding inclined angle formed by the conveying tail ends of the upper clamping feeding device (13) and the lower clamping feeding device (14).

4. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: the clamping type fiber web feeding device comprises a feeding rack (18); a first strip-shaped hole (18-1) which is vertically inclined is formed above the feeding tail end of the feeding rack (18); a second strip-shaped hole (18-2) which is transversely inclined is formed below the feeding tail end of the feeding rack (18); the first strip-shaped hole (18-1) and the second strip-shaped hole (18-2) are vertical to each other; the first strip-shaped hole (18-1) is used for adjusting the height of a transmission roller of the upper clamping feeding device (13); the second strip-shaped hole (18-2) is used for adjusting the height of a driving roller of the lower clamping feeding device (14).

5. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: a baffle guide assembly is arranged between the clamping type fiber web feeding device and the vertical type fiber web non-yarn stitching mechanism; the baffle guide assembly comprises an upper baffle (6) and a lower baffle (7); the upper baffle (6) and the guide tail end of the lower baffle (7) form a guide included angle which inclines towards the oblique lower part, and the inclination angle of the guide included angle is 45 degrees; the guide tail end of the guide included angle is arranged right opposite to the feeding end of the vertical type fiber mesh type non-yarn stitching mechanism.

6. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: the tail end of the grooved needle assembly (1) is fixedly provided with a grooved needle which vertically reciprocates upwards and is used for hooking fibers, and the grooved needle is of a vertical comb structure; the needle head at the top end of the slot needle is attached to the lower part of the middle part of the sinker body in the sinker assembly (3); the bottom end of the grooved needle body is fixedly connected with a vertically arranged grooved needle bed (1-1) into a whole; the middle part of the back of the grooved needle bed (1-1) is fixedly connected with the top of the grooved needle bed support (1-2); the bottom end of the grooved needle bed support (1-2) is fixedly connected with the top end of a driving shaft A (1-4) which vertically reciprocates into a whole; the driving shaft A (1-4) is coaxially guided, matched and supported through a shaft sleeve A (1-3); the outer side of the shaft sleeve A (1-3) is fixedly connected with the vertical machine table (10) into a whole.

7. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: the tail end of the curved needle component (2) is obliquely fixed, supported and provided with a curved needle; the tail end of the curved needle is provided with an obtuse angle bending comb tooth structure; the obtuse-angle bent part of the curved needle is inclined upwards in an inclined manner, and the tail end of the curved needle faces and is close to the middle part of the needle body of the grooved needle in the grooved needle assembly (1); the curved needle is obliquely and fixedly supported and installed through an inclined plane type curved needle bed (2-1); the middle part of the back side of the vertical part of the curved needle bed (2-1) is fixedly connected with the top of the curved needle bed support (2-2); the bottom end of the curved needle bed support (2-2) is fixedly connected with the top end of a driving shaft B (2-4) which vertically reciprocates into a whole; the driving shaft B (2-4) is coaxially guided, matched and supported through a shaft sleeve B; the outer side of the shaft sleeve B (2-3) is fixedly connected with the vertical machine table (10) into a whole.

8. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: the tail end of the net padding comb sheet component (4) is provided with a net padding comb sheet; the lower end of the net padding comb sheet is provided with an arc-shaped surface comb tooth structure; arc-shaped face comb teeth at the lower end of the net padding comb sheet are arranged right above a sinker of a sinker assembly (3) arranged at a gap between a groove needle of the groove needle assembly (1) and a bent needle of the bent needle assembly (2); the net padding comb sheet is fixed at the lower end of a vertically downward net padding comb sheet needle bed (4-1); the upper end of the pad net comb sheet needle bed (4-1) is fixedly connected with the lower end of a support shaft (4-2) which is arranged downwards of the vertical machine table (10).

9. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: the sinker assembly (3) is provided with a sinker which is of a rake claw structure, the top end of the rake claw structure is provided with a needle groove (301), and the grooved needle of the grooved needle assembly (1) penetrates through the needle groove (301) and then is inserted into an upper fiber net (8) to hook fibers; the bending direction of the rake claws of the sinkers is opposite to that of the curved needles in the curved needle assembly (2), and the highest bending point of the rake claws of the sinkers is just tangent to the lowest bending point of the lower end of the net-laying comb piece in the net-laying comb piece assembly (4); the bottom end of the sinker is fixed at one side of the top end of a sinker needle bed (3-1) which is vertically arranged, and the bottom end of the sinker needle bed (3-1) is fixedly connected with the top of a vertical support (3-2) on the upper end surface of a vertical machine table (10).

10. The upright web-type flat knitting machine with a grip feed of claim 1 wherein: the back beam assembly (5) has a back beam; the rear beam is horizontally arranged and is a guide structure with a smooth surface; the rear beam is positioned right behind the net padding comb sheet in the net padding comb sheet component (4) and arranged along the running direction of the stitch-bonded rear non-woven fabric (9); the top end of the rear side of the rear beam is fixed with the lower end of a rear beam plate seat (5-1) of a vertical structure; the upper end of the back beam plate seat (5-1) is fixed with the lower side of the top end of the vertical machine table (10); a cloth guide roller (11) is arranged in the horizontal direction far away from the rear beam and in the transmission direction of the rear beam; a tension roller (12) is arranged below the cloth guide roller (11) in the horizontal direction; the stitch-bonded non-woven fabric (9) is led out from the horizontal direction of the lower surface of the back beam far away from the back beam through a fabric guide roller (11) and a tension roller (12) and then wound into a roll; the surfaces of the cloth guide roller (11) and the tension roller (12) are of pitted surface structures.

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