CN210280674U

CN210280674U - Groove needle plane tool die of warp knitting machine

Info

Publication number: CN210280674U
Application number: CN201921167743.2U
Authority: CN
Inventors: 蔡铭德
Original assignee: Jiashan Rier Precision Industrial Co ltd
Current assignee: Jiashan Rier Precision Industrial Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-10
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a tricot machine grooved needle plane frock mould, including relative last mould and the bed die that sets up, go up mould and bed die and pass through a plurality of guide pillars and connect, go up the mould and include the cope match-plate pattern, the last mold base of being connected with the cope match-plate pattern, inlay the last mold core on last mold base, and inlay in the last mold core and touch the mold insert, the bed die includes the lower bolster, the lower mold base of being connected with the lower bolster, inlay in the lower mold core of lower mold base, and inlay in the lower mold insert of lower mold core, the first recess has been seted up to the one side of mould towards last mould to the lower mold core, first recess is used for fixing tricot machine grooved needle, it sets up with the bed die insert relatively to go up the mold insert, the one end that goes up the mold insert and the lower mold insert is higher than last. The utility model provides a plane frock mould carries out the plastic to the grooved pin, makes the grooved pin plane degree in the within range of regulation, satisfies the quality demand of tricot machine grooved pin.

Description

Groove needle plane tool die of warp knitting machine

Technical Field

The utility model relates to a tricot machine technical field especially relates to a tricot machine groove needle plane frock mould.

Background

The warp-knitting grooved needle is a composite needle, has high requirements on performance and manufacturing precision, and is a key part in a knitting machine. The grooved needles directly participate in the weaving of the fabric, and the performance of the grooved needles has important influence on the quality of the fabric.

In the prior art, the grooved pin is manufactured and molded by a traditional stamping mode all the time, and is processed for many times after stamping is completed so as to obtain the finally required grooved pin, but the precision of the grooved pin obtained by stamping molding is difficult to meet the use requirement, so that the yield is low and the production cost is high.

Plastic injection molding technology is increasingly being used to produce products of various complex shapes at low cost. However, the strength of the plastic product is not high, in order to improve the performance of the plastic product, metal or ceramic powder can be added into the plastic to obtain a product with higher strength and good wear resistance, and metal injection molding is a novel powder metallurgy near-net molding technology which is derived from the plastic injection molding industry, and is a molding method for injecting a plasticized mixture of metal powder and a binder thereof into a mold. The preparation method comprises the steps of mixing the selected powder with a binder, granulating the mixture, and then performing injection molding to obtain the required shape.

With the development of the metal injection molding process, the groove needle can be produced by adopting the metal injection molding process, the production process flow of the metal injection molding process generally comprises feeding preparation, injection molding, degreasing and sintering, a degreasing and sintering process needs to be carried out on a molded green blank after injection molding, the plane flatness of the sintered and molded groove needle blank cannot meet the requirement, and the plane flatness of the groove needle of the warp knitting machine directly influences the quality of the groove needle. Therefore, when the grooved needle is produced by using a metal injection molding process, the plane of the grooved needle blank needs to be subjected to plane shaping, but a device special for performing plane shaping on the plane flatness of the grooved needle blank is absent in the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a flat tooling mold for a grooved needle of a warp knitting machine, which is used for flat shaping of the grooved needle.

A warp knitting machine grooved needle plane tool die comprises an upper die and a lower die which are oppositely arranged, wherein the upper die and the lower die are connected through a plurality of guide pillars, the upper die comprises an upper template, an upper die base connected with the upper template, an upper die core embedded on the upper die base and an upper die insert embedded in the upper die core, the lower die comprises a lower template, a lower die base connected with the lower template, a lower die core embedded in the lower die base and a lower die insert embedded in the lower die core, a first groove is formed in one side of the lower die core, facing the upper die, and used for fixing a warp knitting machine grooved needle, the upper die insert and the lower die insert are oppositely arranged, one end, opposite to the upper die insert and the lower die insert, protrudes out of the upper die core and the lower die core respectively, for shaping the needle head of the warp knitting machine groove needle.

Further, the flat tooling die for the groove needle of the warp knitting machine comprises a needle rod, a needle head fixed at one end of the needle rod and a needle handle fixed on the needle rod, wherein the first groove is formed along the lower die core along the length direction, the lower die core is provided with a second groove along the width direction, the first groove is matched with the needle rod, and the second groove is matched with the needle handle.

Further, the warp knitting machine grooved needle plane tool die comprises a first fixing portion and a second fixing portion, wherein the first fixing portion and the second fixing portion are connected in sequence, one surface, facing the upper die, of the second fixing portion is higher than the first fixing portion, the higher distance is equal to the thickness of the needle rod, and the first groove and the second groove are formed in the second fixing portion.

Further, according to the groove needle plane tool die for the warp knitting machine, the upper die core faces one end portion of the upper die plate, the lower die core faces one end portion of the lower die plate, first clamping blocks are fixedly arranged on the end portions of the upper die core and the lower die core, the first clamping grooves are matched with the first clamping blocks, and the bottoms of the upper die base and the lower die base are provided with the first clamping grooves.

Further, in the above flat tooling die for the grooved needle of the warp knitting machine, second clamping blocks are respectively and fixedly arranged at the end part of the upper die insert facing the upper die plate and the end part of the lower die insert facing the lower die plate, and second clamping grooves matched with the second clamping blocks are respectively arranged on the upper die core and the lower die core.

Further, according to the flat tooling mold for the grooved needle of the warp knitting machine, one end face of the upper mold insert, which is opposite to one end face of the lower mold insert, comprises a first flat face portion and a second flat face portion, the second flat face portion is higher than the first flat face portion, and the higher distance is the same as the height difference of the surface of the grooved needle of the warp knitting machine.

Further, in the above flat tooling mold for the grooved needle of the warp knitting machine, the first flat surfaces of the upper mold insert and the lower mold insert are respectively on the same horizontal plane with the surfaces of the upper mold core and the lower mold core.

Further, according to the groove needle plane tool mold of the warp knitting machine, the lower mold core is provided with two third grooves, and the two third grooves are located on two sides of the first groove respectively and connected with the first groove.

The embodiment of the utility model provides an in, carry out the plane plastic to needle bar, needle handle, the syringe needle of tricot machine grooved needle through the design of last mold core and lower mold core and last mold insert, lower mold insert, guarantee that the product plane degree satisfies the quality demand of tricot machine grooved needle in the within range of regulation, the grooved needle that the fabric quality that adopts this grooved needle to weave is obviously higher than not having the plastic. The structure and the operation process are simple, the precision is high, and the practicability is strong.

Drawings

Fig. 1 is a schematic structural view of a groove needle plane tooling mold of a warp knitting machine in a first embodiment of the invention;

FIG. 2 is a schematic structural view of a groove needle of the warp knitting machine;

fig. 3 is an exploded structural view of a groove needle plane tooling mold of a warp knitting machine according to a first embodiment of the present invention;

fig. 4 is a schematic structural view of a lower mold core according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of a lower mold insert in a first embodiment of the present invention;

fig. 6 is a schematic structural view of a lower mold core according to a second embodiment of the present invention.

Description of the main elements

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The embodiment of the invention is given in the attached drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, this embodiment is provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a groove needle plane tooling mold for a warp knitting machine according to a first embodiment of the present invention is used for shaping a sintered groove needle plane during a groove needle manufacturing process of a warp knitting machine. In this embodiment, as shown in fig. 2, the warp knitting grooved needle 10 includes a needle bar 11, a needle head 12 fixed to one end of the needle bar 11, and a needle shank 13 fixed to the needle bar 11. The grooved needle obtained after the grooved needle sintering process is a basically molded grooved needle blank, and the surface of the grooved needle needs to be neat by tool shaping, so that the flatness of the product is ensured to be within 0.05mm, and the quality requirement of the grooved needle of the warp knitting machine is met.

As shown in fig. 1 and 3, the warp knitting machine grooved needle plane tooling die includes an upper die 20 and a lower die 30 which are oppositely arranged, and the upper die 20 and the lower die 30 are connected by a plurality of guide posts 40. The upper die and the lower die of this embodiment are square, and four guide posts 40 are arranged on the upper die and are respectively located at four corners of the die. The guide post 40 is inserted into the upper mold 20 and the lower mold 30, and is retractable as the upper and lower molds move. When the plane tool die is used, the upper die of the plane tool die is connected with the hydraulic machine, and the upper die and the lower die move oppositely through the hydraulic machine.

The upper die comprises an upper die plate 21, an upper die base 22 connected to the upper die plate 21, an upper die core 23 embedded in the upper die base 22, and an upper die insert 24 embedded in the upper die core 23. The upper die plate 21 is used for connecting a hydraulic machine, a first through hole matched with the upper die core 23 is formed in the upper die base 22, and the upper die core 23 is embedded in the first through hole. The two sides of the end portion of the upper mold core 23 facing the upper mold plate 21 are respectively and fixedly provided with a first clamping block 25, the bottom of the upper mold base 22 is provided with a first clamping groove matched with the first clamping block 25, and the first clamping block 25 and the first clamping groove are used for fixing the upper mold core 23 on the upper mold base 22.

The upper mold core 23 is provided with a second through hole 60 adapted to the upper mold insert 24, and the upper mold insert 24 is fixed in the second through hole 60. A second block 26 is fixedly arranged on one side of the end portion of the upper mold insert 24 facing the upper mold plate 21, and a second clamping groove matched with the second block 26 is formed in the upper mold core 23. The second engaging blocks 26 and the second engaging grooves are used for fixing the upper mold insert 24 to the upper mold core 23.

When the mold is installed, the upper mold insert 24 is firstly inserted into the second through hole 60 on the upper mold core 23, and the second fixture block 26 is positioned in the second fixture groove; then the upper mold core 23 is inserted into the first through hole of the upper mold base 22, the first fixture block 25 is positioned in the first clamping groove, and finally the upper mold plate 21 is installed on the upper mold base 22.

The lower mold 30 includes a lower plate 31, a lower mold base 32 connected to the lower plate 31, a lower mold core 33 embedded in the lower mold base 32, and a lower mold insert 34 embedded in the lower mold core 33.

The lower core 33 and the lower insert 34 are fixed in the same manner as in the upper die 20. That is, the lower mold core 33 is fixed to a first through hole 50 formed in the lower mold base 32, and the lower mold insert 34 is fixed to a second through hole formed in the lower mold core 33. First clamping blocks are fixedly arranged on two sides of the end part, facing the lower template 31, of the lower mold core 33 respectively, first clamping grooves matched with the first clamping blocks are formed in the bottom of the lower mold base 32, and the lower mold core 33 is fixed on the lower mold base 32 through the first clamping blocks and the first clamping grooves; one side of the lower mold insert 34 facing the end of the lower mold plate 31 is fixedly provided with a second fixture block, the lower mold core 33 is provided with a second clamping groove adapted to the second fixture block, and the lower mold insert 34 is fixed on the lower mold core 33 through the second fixture block and the second clamping groove.

As shown in fig. 4, the lower mold core 33 has a groove for fixing the warp knitting machine groove needle at a side facing the upper mold 20. Specifically, the lower mold core 33 includes a first fixing portion 331 and a second fixing portion 332 connected in sequence, and a surface of the second fixing portion 332 facing the upper mold 20 is higher than the first fixing portion 331 by a distance corresponding to the thickness of the needle bar 11. The second fixing portion 332 is formed with a first groove 333 adapted to the needle bar 11, and the first groove 333 is disposed along the length direction of the lower mold core 33. The second fixing portion 332 further defines a second groove 334, and the second groove 334 is located in the width direction of the lower mold core 33 and is adapted to the needle handle 13 of the grooved needle of the warp knitting machine.

The first and

second grooves

333 and 334 are designed to fix the grooved needle, and the distance from the second fixing portion 332 to the first fixing portion 331 is equal to the thickness of the needle bar, so as to ensure that the warp-knitted grooved needle will not deform and ensure the flatness of the plane when the upper and lower molds are pressed together.

The upper mold insert 24 is disposed opposite to the lower mold insert 34, and is used for shaping the needle head of the warp knitting machine grooved needle. The ends of the upper mold insert 24 opposite the lower mold insert 34 protrude from the surfaces of the upper mold core 23 and the lower mold core 33, respectively, to match the shape of the end of the needle 12. Since the needle bar 11 and the needle head 12 of the warp knitting machine groove needle have a height difference, a corresponding tool structure needs to be designed according to the height difference for the shaping part of the needle head.

As shown in fig. 5, in the present embodiment, each of the opposite end surfaces of the upper mold insert 24 and the lower mold insert 34 includes a first flat surface portion 241 and a second flat surface portion 242, and the first flat surface portions 241 of the upper mold insert 24 and the lower mold insert 34 are at the same level with the surfaces of the upper mold core 23 and the lower mold core 33, respectively. The second plane portion 242 is higher than the first plane portion 241 by the same height as the surface height difference between the warp knitting machine grooved needle and the needle bar.

In the embodiment, the needle rod, the needle handle and the needle head of the grooved needle of the warp knitting machine are subjected to plane shaping through the design of the upper mold core, the lower mold core, the upper mold insert and the lower mold insert, so that the flatness of a product is ensured to be within a specified range, and the quality requirement of the grooved needle of the warp knitting machine is met. The structure and the operation process are simple, the precision is high, and the practicability is strong.

Referring to fig. 6, in order to provide a second embodiment of the present invention, a lower mold core in a warp knitting machine grooved pin plane tooling mold is basically the same as the warp knitting machine grooved pin plane tooling mold in the first embodiment, except that two third grooves 335 are formed on the lower mold core 33, the two third grooves 335 are respectively located at two sides of the first groove 333 and are connected to the first groove 333, and the third grooves 335 are used for facilitating picking and placing of the warp knitting machine grooved pins.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A warp knitting machine grooved needle plane tool die comprises an upper die and a lower die which are oppositely arranged, wherein the upper die and the lower die are connected through a plurality of guide pillars, the tool die is characterized in that the upper die comprises an upper template, an upper die base connected with the upper template, an upper die core embedded on the upper die base and an upper die insert embedded in the upper die core, the lower die comprises a lower template, a lower die base connected with the lower template, a lower die core embedded in the lower die base and a lower die insert embedded in the lower die core, a first groove is formed in one side, facing the upper die, of the lower die core and used for fixing a warp knitting machine grooved needle, the upper die insert and the lower die insert are oppositely arranged, and one end, opposite to the upper die insert and the lower die insert, of the upper die insert is respectively protruded out of the upper die core and the lower die core, for shaping the needle head of the warp knitting machine groove needle.

2. The flat tooling mold for warp knitting machines according to claim 1, wherein the warp knitting machine grooved needle comprises a needle bar, a needle head fixed to one end of the needle bar, and a needle shank fixed to the needle bar, the first groove is formed along the length direction of the lower mold core, the lower mold core is formed with a second groove along the width direction, the first groove is fitted to the needle bar, and the second groove is fitted to the needle shank.

3. The warp knitting machine grooved needle plane tooling mold of claim 2, wherein the lower mold core includes a first fixing portion and a second fixing portion connected in sequence, a surface of the second fixing portion facing the upper mold is higher than the first fixing portion by a distance equal to a thickness of the needle bar, and the first groove and the second groove are formed on the second fixing portion.

4. The flat tooling die for the grooved needles of the warp knitting machine as claimed in claim 1, wherein a first clamping block is fixedly arranged at one end of the upper die core facing the upper die plate and at one end of the lower die core facing the lower die plate, respectively, and a first clamping groove adapted to the first clamping block is formed at the bottom of each of the upper die base and the lower die base.

5. The flat tooling mold for the grooved needles of the warp knitting machine according to claim 1, wherein second clamping blocks are respectively fixedly arranged at the end of the upper mold insert facing the upper mold plate and the end of the lower mold insert facing the lower mold plate, and second clamping grooves adapted to the second clamping blocks are respectively formed on the upper mold core and the lower mold core.

6. The warp knitting machine grooved pin plane tooling mold of claim 1, wherein the opposing end faces of the upper mold insert and the lower mold insert each comprise a first flat surface portion and a second flat surface portion, the second flat surface portion being higher than the first flat surface portion by the same height difference as the surface of the warp knitting machine grooved pin.

7. The warp knitting machine groove pin plane tooling mold of claim 6, wherein the first plane portions of the upper mold insert and the lower mold insert are on the same horizontal plane as the surfaces of the upper mold core and the lower mold core, respectively.

8. The flat tooling mold for the grooved needles of the warp knitting machine as claimed in claim 2, wherein the lower mold core is formed with two third grooves, and the two third grooves are respectively located at two sides of the first groove and are connected with the first groove.