CN219450072U

CN219450072U - Needling machine for processing non-woven fabrics

Info

Publication number: CN219450072U
Application number: CN202320480004.9U
Authority: CN
Inventors: 吕艳婷; 陈威洋; 贺新; 张家永
Original assignee: Werker Industrial Textile Jiaxing Co ltd
Current assignee: Werker Industrial Textile Jiaxing Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-01
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a needling machine for processing non-woven fabrics, which comprises a needle for needling work and a needle plate for mounting the needle, wherein a cavity for the needle to be inserted is formed in the lower side surface of the needle plate, the needle plate is connected with the needle thread, a clamping block capable of movably extending into the cavity is arranged on the needle plate, a clamping groove for the clamping block to extend into and be clamped with the clamping block is formed in the needle plate, a transmission shaft is connected with the clamping block in a meshed manner, one end of the transmission shaft extends to the lower side surface of the needle plate, and a torsion spring for pushing the clamping block to extend into the clamping groove is arranged on the transmission shaft.

Description

Needling machine for processing non-woven fabrics

Technical Field

The utility model relates to the technical field of needling machine equipment.

Background

The non-woven fabrics are various in variety and application, for example, the polytetrafluoroethylene non-woven fabrics for manufacturing the filter bags are applied to a bag type dust collector, the polytetrafluoroethylene non-woven fabrics are manufactured through the needling work of a needling machine, and the needling machine can process polytetrafluoroethylene fiber blanket blanks with certain thickness into thinner and compact polytetrafluoroethylene fiber blanket blank equipment so as to form primary raw materials for manufacturing the filter bags;

the main parts of the needling machine comprise needles for needling non-woven fabrics and needle plates for fixing the needles and driving the needles to reciprocate up and down, the needles can be worn and damaged in long-term work, the whole needles are required to be replaced, the whole needle plates are required to be detached from the machine body of the needling machine when the needles are replaced, the needles can be taken down from the needle plates for replacement, the added weight of the needle plates and the needles is heavy, other equipment is required when the needle plates are assembled and disassembled, the operation steps are complicated and inconvenient, the needling machine is stopped for a long time, and the machining efficiency of the needling machine is influenced.

Disclosure of Invention

The utility model mainly aims to solve the defects in the prior art and provides a needling machine which is convenient for replacing a needling needle to improve the working efficiency.

The technical scheme adopted by the utility model is as follows: the needle machine for processing the non-woven fabrics comprises a needle for carrying out needling work and a needle plate for mounting the needle, wherein a cavity for the needle to be inserted is formed in the lower side surface of the needle plate, the needle plate is connected with a needle thread, a clamping block capable of movably extending into the cavity is arranged on the needle plate, a clamping groove for the clamping block to extend into and be clamped with the clamping block is formed in the needle plate, a transmission shaft is connected with the clamping block in a meshed mode, one end of the transmission shaft extends to the lower side surface of the needle plate, and a torsion spring for pushing the clamping block to extend into the clamping groove is arranged on the transmission shaft.

The clamping block is fixedly connected with a rack, the transmission shaft is coaxially provided with a gear, the gear is meshed with the rack, and the transmission shaft is rotated to drive the clamping block to move.

The cavity is hollow cylindrical, the needle plate is fixedly connected with a screw rod coaxially arranged with the cavity, and the screw rod is coaxially provided with a thread groove connected with the screw rod through threads.

The clamping groove is annular and is arranged around the circumference of the puncture needle, and an opening of the clamping groove extends to the outer side wall of the puncture needle.

The end part of the clamping block, which extends into the cavity, is in a downward inclined slope shape.

Compared with the prior art, the utility model has the beneficial effects that: when the puncture needle is worn and needs to be replaced, tools such as a pick-up knife or a spanner and the like control the transmission shaft to rotate, the clamping block is driven to move out of the clamping groove, the puncture needle can be rotated, the puncture needle is taken down from the needle plate, then a new puncture needle is transferred onto the needle plate until the clamping block automatically bounces into the clamping groove, the installation of the puncture needle is completed, the whole puncture needle is easy and convenient to assemble and disassemble, the needle plate is not required to be detached from the needling machine, the needle can be specially operated for the individual puncture needle, and the time for maintenance of the puncture needle is saved.

Drawings

FIG. 1 is a schematic cross-sectional view of a lancet card attached to a needle plate;

FIG. 2 is a schematic top view of the latch with the lancet in the cavity;

in the figure: 1. a needle; 2. a needle plate; 3. a cavity; 4. a clamping block; 5. a clamping groove; 6. a transmission shaft; 7. a torsion spring; 8. a rack; 9. a gear; 10. a screw rod; 11. a thread groove.

Detailed Description

The utility model is further illustrated by way of example with reference to the accompanying drawings.

As shown in fig. 1 to 2, the needling machine according to this embodiment includes a needle 1 and a needle plate 2, the needle plate 2 is mounted in a machine body of the needling machine, the needle plate 2 is driven by a motor on the needling machine to reciprocate in an up-down direction, the needle plate 2 is laid along a horizontal direction, a plurality of cavities 3 are arranged on a lower side surface of the needle plate 2, the cavities 3 are hollow cylindrical, an upper end of the needle 1 is cylindrical and is matched with a section of the cavity 3, and an upper end of the needle 1 is inserted into the cavity 3, so that an outer side wall of the needle 1 is tightly matched with an inner side wall of the cavity 3, and the needle 1 is prevented from being placed on the needle plate 2 to transversely move.

The needle plate 2 is provided with a screw rod 10, the screw rod 10 and the cavity 3 are coaxially arranged, one end of the screw rod 10 is fixed on the inner bottom wall of the cavity 3 in a welding mode, the upper end of the needle 1 is provided with a thread groove 11, the thread groove 11 and the needle 1 are coaxially arranged, the size of the thread groove 11 is matched with the screw rod 10, and when the needle 1 is inserted into the cavity 3, the needle 1 is rotated, so that the needle 1 can be fixed on the needle plate 2.

The needle plate 2 is provided with clamping blocks 4 corresponding to the number of the cavities 3, namely, each cavity 3 is correspondingly provided with one clamping block 4, the clamping blocks 4 are arranged in the needle plate 2 to move in the horizontal direction, the clamping blocks 4 movably extend into the corresponding cavities 3, the end parts of the clamping blocks 4 extending into the cavities 3 are inclined planes which incline downwards, when the upper ends of the puncture needles 1 extend into the cavities 3 and are in contact with the clamping blocks 4, the clamping blocks 4 can be pushed to move into the needle plate 2 through the contact of the inclined planes, and the puncture needles 1 can completely extend into the cavities 3.

The clamping groove 5 is formed in the puncture needle 1, the clamping groove 5 is annularly arranged, the clamping groove 5 and the puncture needle 1 are coaxially arranged and are arranged on the circumferential direction of the puncture needle 1, an opening of the clamping groove 5 extends to the outer side wall of the puncture needle 1, when the puncture needle 1 completely stretches into the cavity 3, the clamping groove 5 corresponds to the position of the clamping block 4 stretching into the cavity 3, the clamping block 4 can movably stretch into the clamping groove 5 and is tightly matched with the inner side wall of the clamping groove 5, so that rotation and movement of the puncture needle 1 are limited, and stable connection between the puncture needle 1 and the needle plate 2 is ensured.

The tail end welded fastening of fixture block 4 has a rack 8, rack 8 lays along the direction of movement of fixture block 4, rack 8 and fixture block 4 are synchronous motion, faller 2 is equipped with the transmission shaft 6 corresponding with cavity 3 quantity, transmission shaft 6 is along vertical setting, the lower extreme of transmission shaft 6 extends to the below side of faller 2, this tip is opened there is a word groove, the cross groove, cell bodies such as hexagonal groove, the confession is corresponding to open or the spanner stretches into in order to drive transmission shaft 6 rotation, transmission shaft 6 is equipped with gear 9, gear 9 cover is in transmission shaft 6 and with the coaxial setting of transmission shaft 6, the teeth of a cogwheel on gear 9 intermesh with the teeth of a cogwheel on the rack 8, can drive rack 8 and do corresponding removal when transmission shaft 6 rotates.

The transmission shaft 6 is provided with the torsion spring 7, the implementation principle of the torsion spring 7 is similar to that of the torsion spring 7 in the clamp, the torsion spring 7 is arranged around the transmission shaft 6, one end of the torsion spring 7 is fixedly connected with the outer side wall of the transmission shaft 6, the other end of the torsion spring 7 is fixedly connected with the needle plate 2, the torsion spring 7 can push the clamping block 4 to move and stretch into the clamping groove 5 and keep a state of stretching into the clamping groove 5 under the condition that no external force is introduced and the needle 1 stretches into the cavity 3 completely, and the driving control transmission rod rotates to drive the clamping block 4 to move out of the clamping groove 5.

Claims

1. The needle machine for processing the non-woven fabrics is characterized by comprising a needle for performing needling work and a needle plate for mounting the needle, wherein a cavity for the needle to be inserted is formed in the lower side surface of the needle plate, the needle plate is connected with a needle thread, a clamping block which can movably extend into the cavity is arranged on the needle plate, the needle is provided with a clamping groove for the clamping block to extend into and be clamped with the clamping block, a transmission shaft is connected with the clamping block in a meshed manner, one end of the transmission shaft extends to the lower side surface of the needle plate, and a torsion spring for pushing the clamping block to extend into the clamping groove is arranged on the transmission shaft.

2. The needling machine of claim 1 wherein said fixture block is fixedly connected to a rack, said drive shaft is coaxially provided with a gear, said gear is engaged with said rack, and rotation of said drive shaft moves said fixture block.

3. The needling machine of claim 1 wherein said cavity is hollow and cylindrical, said needle plate fixedly connected with a screw coaxially disposed with said cavity, said screw coaxially disposed with a thread groove threadably connected with said screw.

4. The needling machine of claim 1 wherein said card slot is annular in shape disposed circumferentially about said needle and the opening of the card slot extends to the outer sidewall of said needle.

5. The needling machine of claim 1 wherein the end of the cartridge extending into the cavity is in the form of a downwardly sloping ramp.