A new type of computerized flat knitting machine and crochet knitting machine

Abstract

A new type of computerized flat knitting machine's mountain plate includes a cam motherboard, a needle selection mother needle, a central cam, a guide cam, a wing cam, and a pin guard. The cam motherboard is equipped with a mesh cam, a needle guard cam, a transfer cam, and a knitting cam. The transfer cam consists of upper and lower transfer cams. Needle track I is defined between the upper transfer cam and the needle guard cam, needle track II is defined between the upper and lower transfer cams, and needle track III is located at the bottom of the lower transfer cam. The pin guard, knitting cam, wing cam, and central cam together form needle track IV, and needle track V is defined between the wing cam and the central cam. Guide slopes A are located on the adjacent sides of the wing cam and the central cam. While ensuring that the knitting needle assembly can perform various actions on the fabric, the present invention eliminates the non-woven pressing plate, the three leg press cams above it, and the complex drive mechanism. This simplifies the overall structure, avoids wear on the stitches, reduces the failure rate, reduces the machine head's workload, and saves manufacturing costs.

Description

Technical Field

[0001] The invention relates to the technical field of computerized flat knitting machines, in particular to a novel mountain plate for a computerized flat knitting machine and a crochet knitting machine using the mountain plate. Background Art

[0002] As we all know, a computerized flat knitting machine is a double-needle plate latch needle weft knitting loom. Its working principle is roughly as follows: the machine head and the triangular mechanism arranged on the machine head, namely the triangular system, reciprocate left and right along the frame guide rail (also called the machine head guide rail), thereby driving a number of knitting needles arranged in the needle groove on the needle plate to slide back and forth along the needle groove, and finally complete the weaving of the fabric through cooperation with the pulling mechanism below.

[0003] The cam system described above acts like a flat cam. During operation, the needle's foot enters a curved needle path pre-defined on the flat cam, sliding the machine head left and right. Guided by the needle path, the needle is forced to perform a regular upward and downward movement (protruding or retracting) within the needle groove of the needle plate. Through the action of the needle hook and needle latch, the yarn is knitted into a knitted fabric. As the needle rises (protruding from the needle groove), the yarn gradually exits the needle hook, opening the needle latch and withdrawing it to hang on the needle bar. As the needle descends (retracting into the needle groove), the needle hook grabs the newly placed yarn and pulls it into a coil. At the same time, the existing coil hanging on the needle bar is released from the needle hook, and the new coil passes through the old coil and is connected in series with the old coil. Thus, the numerous coils formed by knitting are connected to form a knitted fabric, thus completing the knitting process.

[0004] The computerized flat knitting machine's mountain board in the triangle system is mainly used to control the running trajectory of several knitting needles on the needle board, so as to realize the knitting of knitted fabrics with different processes and styles. The design structure of the computerized flat knitting machine's mountain board enables several knitting needles on the needle board to complete knitting, tuck, transfer, joining and non-knitting actions.

[0005] At present, the computer flat knitting machine mountain board on the market is generally as follows Figure 1 and Figure 2 The structure shown, Figure 1 A schematic diagram of its three-dimensional structure is shown below. Figure 2 This is a schematic diagram of the trajectory of the knitting needles that do not participate in the knitting work along the mountain plate of the computer flat knitting machine. The mountain plate of the computer flat knitting machine includes a triangle mother plate 102 and a needle selection mother plate 101. The triangle mother plate 102 and the needle selection mother plate 101 are spliced ​​together to form a triangle base plate. The surface of the triangle base plate is equipped with an upper mountain guard 105, a lower mountain guard 106, a mesh cam 107, a needle transfer cam 104, a knitting cam 103, a needle receiving presser (tuck presser) 108, a loop presser 109, a non-woven presser 114, a needle selector 110, a needle selection limit cam 111, a needle pusher cam 112, a needle selection reset cam 113 and other components. A needle path for the needles to travel is provided on the upper part of the triangle base plate. Figure 2As shown, the current knitting needle assemblies are mostly composed of a knitting needle 201, a long needle 202, a spring needle 203 and a needle selection piece 204. The top of the long needle 202 is stuck in the slot opened at the tail of the knitting needle 201. The two move along the needle path synchronously, and the telescopic action in the needle slot is also consistent.

[0006] During operation, the needles selected by the needle selector 110 for normal knitting work enter the corresponding needle track one after another, and under the guidance of the needle receiving presser 108, the stitching presser 109 and the needle track, the knitting, tuck, transfer, receiving and non-knitting actions are realized, and finally the knitting of the desired style of fabric is completed. For the needles not participating in knitting, the pins 2031 on the spring needle 203 will always be pressed tightly against the non-woven pressing plate 114 under the action of their own elastic force, sliding and rubbing against the non-woven pressing plate 114, see Figure 2 The walking track of the pin 2031 is shown, and the several dotted boxes pointed by the arrows in the figure are its walking track.

[0007] Because during the knitting process, the machine head frequently drives the cam system to slide left and right, so that the pin 2031 of the spring needle 203 under the knitting needle that does not participate in the knitting work is always in close contact with the non-woven pressure plate 114. After a long period of sliding and frictional contact, wear will occur between the two, causing the preset height between the two to become lower. As a result, when the machine head drives the cam system to slide left and right, needle collision or needle selection errors frequently occur, which increases the failure rate of the computer flat knitting machine, increases the cost of repair and maintenance, and prolongs the working hours.

[0008] A search revealed a Chinese invention patent application with publication number CN111663238A, which discloses a flat knitting machine knitting machine with multi-density knitting capabilities. This invention patent application, based on the aforementioned computerized flat knitting machine knitting machine, features a technical upgrade. Specifically, a secondary knitting machine buffer assembly is installed on the secondary knitting machine to prevent the knitting thread from breaking when the secondary knitting machine collides with the needle, which affects production efficiency. The knitting method is switched by switching the knitting cam and the transfer cam using a switching electromagnet. This coordinated operation of the primary and secondary knitting machines allows for multi-density knitting within the same knitting process. This invention patent application not only enables multi-density knitting within the same knitting machine, but also improves production efficiency and reduces production costs associated with motor damage.

[0009] Despite this, the product for which the patent is applied still has the technical problems objectively described above during actual application, namely a series of problems caused by the sliding friction between the knitting needles that do not participate in knitting and the non-woven pressing sheets.

[0010] In addition, during the sliding friction between the knitting needles that do not participate in knitting and the non-woven pressure plate, the pins 2031 on the spring needles below the knitting needles are pressed tightly against the non-woven pressure plate by their own elastic force. When the number of knitting needles that do not participate in knitting is large, the combined elastic thrust will be very large. After being applied to the machine head, the weight of the machine head is increased, causing the machine head to become very bulky when moving left and right. Summary of the Invention

[0011] The technical problem to be solved by the present invention is to provide a new type of computerized flat knitting machine mountain plate, which, under the premise of meeting the actions of existing weaving needles when weaving fabrics, fully reduces the failure rate during operation, reduces the load on the machine head during operation, simplifies the overall structure, and greatly saves production costs; In addition, the present invention also provides a crochet knitting machine using the computerized flat knitting machine mountain plate

[0012] The technical solution of the present invention is to provide a new type of computer flat knitting machine mountain plate with the following structure, including a triangle motherboard and a needle selection motherboard, the surface of the triangle motherboard is equipped with a mesh triangle, a needle protection triangle, a needle transfer triangle and a knitting triangle, the needle protection triangle is located above the triangle motherboard, the needle transfer triangle is located below the needle protection triangle, and the knitting triangle is located below the needle transfer triangle, and the needle selection motherboard is equipped with a needle selector, which also includes a central triangle, a guide triangle, a wing triangle and a stitch mountain installed on the triangle motherboard; the needle transfer triangle is composed of an upper needle transfer triangle and a lower needle transfer triangle, and the lower needle transfer triangle is telescopically installed on the triangle motherboard, and a needle path I is provided between the upper needle transfer triangle and the needle protection triangle, and the upper needle transfer triangle and the lower needle transfer triangle are provided. A needle track II is provided between the needle triangles, the bottom of the lower turning needle triangle is the needle track III, there are two mesh triangles, which are distributed in an eight-shaped shape and are respectively arranged on the left and right sides of the turning needle triangle; the knitting triangle is telescopically mounted on the triangle motherboard; the central triangle and the wing triangle are located below the knitting triangle, there are two wing triangles, which are respectively located on the left and right sides of the central triangle, the guide needle triangle is located at the bottom of the central triangle, and there are two stitch guards, which are respectively obliquely arranged on the left and right sides of the wing triangle; the stitch guards, knitting triangle, wing triangle and central triangle together form a needle track IV; a needle track V is formed between the wing triangle and the central triangle, and a guide slope A is provided on the adjacent upper side walls of the wing triangle and the central triangle.

[0013] The present invention describes a new type of computerized flat knitting machine mountain plate, in which a knitting needle assembly for traveling along a needle path includes a knitting needle, a long needle piece and a needle selection piece. The long needle piece is located below the knitting needle and fits with the knitting needle. The long needle piece is elastic when pressed after being inserted into the needle groove. The needle selection piece is located below the long needle piece and is used to cooperate with the needle selector. The tail of the knitting needle is provided with a stitch I, and the stitch I is used to cooperate with needle path I, needle path II and needle path III. The middle part of the long needle piece is provided with a stitch II, and the stitch II is used to cooperate with needle path IV and needle path V.

[0014] The present invention describes a new type of computerized flat knitting machine mountain plate, wherein the long needle piece is elastic when pressed after being inserted into the needle groove, which means that an elastic rod is provided on the side wall of the long needle piece opposite to the needle plate, one end of the elastic rod is connected to the long needle piece, and the other end is pressed against the needle plate.

[0015] The present invention describes a new type of mountain plate for a computerized flat knitting machine, wherein the long needle piece has elasticity when pressed after being inserted into the needle groove, which means that both ends of the long needle piece opposite to the needle plate are provided with convex parts, and the two convex parts are in contact with the needle plate, so that the middle part of the long needle piece is suspended in the air to generate elasticity.

[0016] The present invention relates to a new type of mountain plate for a computerized flat knitting machine, wherein a plurality of arc-shaped notches are provided on the long needle plate below the pin II, and steel wires for matching the arc-shaped notches are installed on the needle plate.

[0017] The present invention provides a new type of computerized flat knitting machine mountain plate, wherein the lateral width of the guide needle triangle is greater than the lateral width of the central triangle, thereby forming a step at the contact portion of the two side walls.

[0018] The present invention relates to a new type of mountain plate for a computerized flat knitting machine, wherein a slope B is provided at the bottom of the stitch mountain guard.

[0019] The present invention describes a new type of computer flat knitting machine mountain plate, wherein the stitch guard is provided with an inwardly inclined guide surface B at the end near the triangular motherboard, the bottom of the guide surface B extends downward to the starting end of the inclined surface B, an upper guard is provided above the stitch guard, the upper guard is mounted on the triangular motherboard and is located on the outside of the mesh triangle, the upper guard is provided with an inwardly inclined guide surface A at the end near the triangular motherboard, the inclination angle of the guide surface A matches that of the guide surface B, and the top of the guide surface B is aligned with the bottom of the guide surface A.

[0020] The present invention relates to a new type of computerized flat knitting machine mountain plate, wherein two symmetrical inclined surfaces C are provided near the middle portion of the lower portion of the knitting cam, and the inclined surfaces C are connected to the needle path IV and the needle path V.

[0021] The invention also provides a crochet knitting machine, which comprises a novel computerized flat knitting machine mountain plate.

[0022] After adopting the above structure, compared with the existing technology, the new type of computerized flat knitting machine mountain plate of the present invention has the following advantages: by adding a central cam, a guide cam, a wing cam, and a needle guard, and designing the needle transfer cam to be composed of an upper needle transfer cam and a lower needle transfer cam, the present invention achieves the premise of meeting the action of the existing weaving needles when knitting fabrics, and redesigning each needle path, eliminating the original non-woven pressure plate and the three presser cams above it (two needle receiving pressers and one tuck presser). The elimination of the non-woven pressure plate means that the cam system no longer rubs against the needle pins that are not involved in knitting when sliding left and right, eliminating the occurrence of needle wear, thereby avoiding the phenomenon of needle collision or needle selection errors when the cam system slides left and right, greatly reducing the failure rate during operation of the present invention, and saving repair and maintenance costs. In addition, the elimination of the friction structure between the two also eliminates the influence of the elastic force of the knitting needle assembly on the machine head, significantly reducing the load on the machine head when sliding left and right, reducing noise generation, and reducing the frequency and cost of maintenance. The cancellation of the three leg-pressing triangles has also eliminated the corresponding complex driving mechanism, thereby simplifying the overall structure of the computer flat knitting machine mountain plate and greatly saving its own production and manufacturing costs.

[0023] As a preferred solution, the present invention also improves and optimizes the design of the knitting needle assembly. The redesigned knitting needle assembly consists only of a knitting needle, a long needle piece and a needle selection piece. The long needle piece is located below the knitting needle and fits with the knitting needle. The needle selection piece is located below the long needle piece and is used to cooperate with the needle selector. The tail of the knitting needle is provided with a stitch I for cooperating with needle track I, needle track II and needle track III, and the middle part of the long needle piece is provided with a stitch II for cooperating with needle track IV and needle track V. Through this improved and optimized design, not only the structure of the original knitting needle assembly is simplified, but also the working principle of the original knitting needle assembly is changed, that is, the knitting needle and the long needle piece in the knitting needle assembly of the present invention can be separated when moving along the needle track, and there is no need to clamp the two together and slide synchronously as in the prior art. Such an improvement greatly shortens the overall length of the knitting needle assembly, reduces parts and processing technology, and fully reduces the production and manufacturing cost while meeting the actions performed by the knitting needle assembly during knitting. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the existing computer flat knitting machine mountain board;

[0025] Figure 2 This is a schematic diagram of the travel path of knitting needles that do not participate in knitting along the mountain board of a computerized flat knitting machine;

[0026] Figure 3 This is a schematic diagram of the three-dimensional structure of the first embodiment of a new type of computerized flat knitting machine mountain board of the present invention;

[0027] Figure 4 yes Figure 3 Schematic diagram of the main structure;

[0028] Figure 5 It is a three-dimensional enlarged structural diagram of the first embodiment of the knitting needle assembly of the present invention;

[0029] Figure 6 It is a perspective enlarged structural diagram of a second embodiment of a knitting needle assembly in the present invention;

[0030] Figure 7 This is a schematic diagram showing the travel trajectory of stitches during normal knitting by the knitting needles in the first embodiment of the flat knitting machine mountain plate of the present invention;

[0031] Figure 8 This is a schematic diagram showing the travel trajectory of the stitches during needle transfer in the first embodiment of the flat knitting machine's mountain plate according to the present invention;

[0032] Figure 9 This is a schematic diagram showing the travel trajectory of the stitches when the needle is connected in the first embodiment of the flat knitting machine mountain plate of the present invention;

[0033] Figure 10 This is a schematic diagram showing the travel trajectory of stitches during normal tuck in the first embodiment of the flat knitting machine;

[0034] Figure 11 This is a schematic diagram of the stitch trajectory when knitting and tuck are performed simultaneously in the first embodiment of the flat knitting machine;

[0035] Figure 12 This is a schematic diagram of the travel trajectory of the stitches when not knitting in the first embodiment of the flat knitting machine mountain plate of the present invention;

[0036] Figure 13 This is a schematic diagram of the three-dimensional structure of a second embodiment of a new type of computerized flat knitting machine mountain board of the present invention;

[0037] Figure 14 yes Figure 13 Schematic diagram of the main structure;

[0038] Figure 15 This is a schematic diagram showing the stitch trajectory when knitting and normal tuck are performed simultaneously in the second embodiment of the flat knitting machine;

[0039] Figure 16 This is a schematic diagram showing the travel trajectory of stitches during normal tuck in the second embodiment of the flat knitting machine's mountain plate of the present invention;

[0040] Figure 17 yes Figure 13 Schematic diagram of the three-dimensional enlarged structure of the weaving triangle. DETAILED DESCRIPTION

[0041] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the embodiments of the present application are described in detail below with reference to the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the embodiments of the present application. It should be understood that the specific embodiments described herein are merely used to explain the present application and are not intended to limit the present application. The embodiments of the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention. Therefore, the embodiments of the present application are not limited by the specific embodiments disclosed below.

[0042] It is understood that the terms "first", "second", etc. used in this application can be used in this article to describe various professional terms, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. However, unless otherwise specified, these professional terms are not limited by these terms. These terms are only used to distinguish one professional term from another professional term. In the description of the embodiments of the present application, the meaning of "multiple" and "several" is at least two, for example, two, three, etc., unless otherwise clearly and specifically defined.

[0043] In the description of the embodiments of the present application, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," and the like should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; they may refer to internal communication between two elements or an interaction relationship between two elements, unless otherwise expressly limited. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present application based on specific circumstances.

[0044] In the description of the embodiments of the present application, unless otherwise expressly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the horizontal height of the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the horizontal height of the second feature.

[0045] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element.

[0046] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by those skilled in the art to which this application belongs. The terms used in this application and in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0047] The present invention eliminates the original non-woven pressing plate on the knitting machine and the three presser cams (two needle receiving pressers and one tuck presser) above it, as well as the complex drive mechanism that drives the corresponding presser movements. Instead, it adds a central cam 5, a guide cam 4, a wing cam 24, and a pin guard cam 7. The transfer cam 67 is designed to consist of an upper transfer cam 16 and a lower transfer cam 17, thereby achieving an improved and optimized design for each needle path. This also meets the various actions that existing needles perform when knitting fabric, simplifies the overall structure of the knitting machine's knitting machine, and significantly reduces its own manufacturing costs. The elimination of the non-woven pressing plate eliminates the cam system from rubbing against the needles not involved in knitting when sliding left or right, eliminating pin wear and preventing needle collisions or needle selection errors when the cam system slides left or right. This significantly reduces the failure rate during operation and saves maintenance costs. The elimination of the friction structure between the stitches and the non-woven pressing sheet also eliminates the influence of the elastic force of the knitting needle assembly on the machine head, fully reducing the load on the machine head when it slides left and right, reducing noise generation, and reducing maintenance frequency and cost. The specific implementation plan is as follows: Example

[0048] like Figure 3 and Figure 4 As shown, a novel knitting machine base includes a cam motherboard 21 and a needle selector motherboard 22. The cam motherboard 21 and the needle selector motherboard 22 are arranged one above the other and together form a cam base. The knitting machine base also includes a central cam 5, a guide cam 4, a side cam 24, and a stitch guard cam 7 mounted on the cam motherboard 21. The surface of the cam motherboard 21 is equipped with a mesh cam 12, a needle guard cam 15, a transfer cam 67, and a knitting cam 18. The needle guard cam 15 is located above the cam motherboard 21, the transfer cam 67 is located below the needle guard cam 15, and the knitting cam 18 is located below the transfer cam 67. The needle selector 3 is mounted on the needle selector motherboard 22.

[0049] The transfer cam 67 consists of an upper transfer cam 16 and a lower transfer cam 17. The lower transfer cam 17 is telescopically mounted on the cam motherboard 21. This telescopic movement can be driven by a conventional stepper motor, or other conventional telescopic drive mechanism, as long as the lower transfer cam 17 can be extended and retracted according to the corresponding movement instructions during operation. The specific structure is not described here. Needle track I 14 is located between the upper transfer cam 16 and the needle guard cam 15. Needle track II 13 is located between the upper transfer cam 16 and the lower transfer cam 17. The bottom of the lower transfer cam 17 is needle track III 19. There are two mesh cams 12, arranged in a figure eight pattern, and located on the left and right sides of the transfer cam 67.

[0050] The weaving triangle 18 is telescopically mounted on the triangle motherboard 21. The telescopic action here can also be driven by a stepping motor in the prior art, or other conventional telescopic driving mechanisms. As long as the weaving triangle 18 can be telescoped according to the corresponding action instructions during operation, it will not be repeated here.

[0051] The central triangle 5 and the wing triangle 24 are located below the knitting triangle 18. There are two wing triangles 24, which are located on the left and right sides of the central triangle 5. The guide needle triangle 4 is located at the bottom of the central triangle 5. It can be telescopically mounted on the triangle motherboard 21 or fixed to the triangle motherboard 21 by screws. The specific installation method can be determined according to actual needs. In this embodiment, a telescopic mounting structure is adopted, which is basically the same as the telescopic structure of the lower needle triangle 17 and the knitting triangle 18 mentioned above. It can be telescopic according to the action instructions during operation. There are two stitch guards 7, which are tilted and arranged on the left and right sides of the wing triangle 24.

[0052] The stitch guard 7, knitting cam 18, wing cam 24 and central cam 5 together form a needle path IV8. The wing cam 24 and central cam 5 form a needle path V6. The upper side walls adjacent to the wing cam 24 and central cam 5 are both provided with guide slopes A20.

[0053] It should be noted that, in response to the above-mentioned improved optimization scheme, the present invention also proposes a new optimized design for the knitting needle assembly. Of course, the existing knitting needle assembly can also cooperate with the above-mentioned improved scheme of the present invention to achieve weaving of fabrics. However, the use of the following optimization scheme of the knitting needle assembly of the present invention can achieve better knitting effects, shorter knitting needle extension stroke, less waste of parts processing materials and a simpler processing and manufacturing process, which can fully reduce the overall production and manufacturing costs.

[0054] See also Figure 5 and Figure 6The specific structure of the knitting needle assembly includes a knitting needle 31, a long needle plate 33 and a needle selector 36. The long needle plate 33 is located below the knitting needle 31, and the top surface of the long needle plate 33 is in contact with the bottom surface of the knitting needle 31. After the long needle plate 33 is installed in the needle groove, it has elasticity when pressed. The needle selector 36 is located below the long needle plate 33 and is used to cooperate with the needle selector 3. The tail of the knitting needle 31 is provided with a stitch I 32, which is used to cooperate with needle track I 14, needle track II 13 and needle track III 19; the middle part of the long needle plate 33 is provided with a stitch II 34, which is used to cooperate with needle track IV 8 and needle track V 6.

[0055] There are two embodiments of the long needle piece 33 being elastic when pressed after being inserted into the needle groove. Figure 5 , the first embodiment: an elastic rod 35 is provided on the side wall of the long needle piece 33 opposite to the needle plate. One end of the elastic rod 35 is connected to the long needle piece 33, and the other end presses against the needle plate. In this way, the long needle piece 33 will be elastic when pressed. Figure 6 , The second embodiment: The two ends of the long needle piece 33 opposite to the needle plate are provided with convex parts 37, and the two convex parts 37 are in contact with the needle plate, so that the middle part of the long needle piece 33 is suspended in the air to generate elasticity.

[0056] To prevent needle movement due to inertia as the knitting needle assembly extends and retracts along the needle slot, several arcuate notches 38 are provided on the long needle plate 33 below the pin II 34. Steel wires are mounted on the needle plate to fit within these notches 38. This prevents the needle assembly from moving slightly out of the slot due to inertia during its operation. The arcuate notches 38 and the steel wires will automatically retract the needle assembly, effectively ensuring knitting accuracy.

[0057] The lateral width of the guide cam 4 is greater than that of the central cam 5, thereby creating a step 45 at the contact point between the two side walls. The step 45 creates a step difference between the side walls of the guide cam 4 and the central cam 5. This step difference does not need to be too large, and can be kept between 40-60 degrees. This structure can avoid the occurrence of a gap between the side walls of the two due to assembly or processing errors when the side walls of the two are flush, which can cause the sliding knitting needle assembly to jam, ensuring that the knitting needle assembly moves more smoothly in the needle track.

[0058] The bottom of the needle guard 7 is provided with a slope B71 for guiding the knitting needle assembly entering the needle channel.

[0059] The end of the stitch guard 7 near the triangle motherboard 21 is equipped with an inward-inclined guide surface B72, the bottom of which extends downward to the starting point of the inclined surface B71. Above the stitch guard 7 is an upper guard 10, which is mounted on the triangle motherboard 21 and located outside the mesh cam 12. The end of the upper guard 10 near the triangle motherboard 21 is equipped with an inward-inclined guide surface A11. The angle of inclination of guide surface A11 matches that of guide surface B72, and the top of guide surface B72 is aligned with the bottom of guide surface A11. This structure can prevent the knitting needle assembly from being pushed upward too high due to human error when the computerized flat knitting machine is not working, causing the knitting needle assembly to slide normally to the right and collide with certain components mounted on the triangle motherboard, such as the cam. In other words, when the worker manually pushes the knitting needle assembly upward too high when the computer flat knitting machine is not working, the computer flat knitting machine triangle system will drive the knitting needle assembly to slide to the right after it is restarted. Under the action of the guide surface A11 and the guide surface B72 guiding the knitting needle assembly to move in turn, it automatically returns to its original position step by step, avoiding the knitting needle assembly from colliding with other components on the triangle motherboard 21, thereby better protecting the knitting needle assembly.

[0060] In order to make it easier for those skilled in the art to understand the present invention, Figure 7-12 Taking the example of the invention, the needle trajectories of several actions performed by the knitting needle assembly when knitting fabrics, such as normal knitting, needle transfer, needle joining, normal tuck, tight tuck and non-knitting, are displayed and explained one by one: the figure of the present invention shows a dual-system computer flat knitting machine mountain board, and the first system on the left is taken as an example. For three or four systems, adding another set of systems with the same structure on the left to the right of the computer flat knitting machine mountain board shown in the figure can turn it into a three-system system, and adding two sets can turn it into a four-system system.

[0061] (1) Normal weaving

[0062] See also Figure 7, describing the first cam system on the left, during knitting, the lower turning cam 17 retracts, the knitting cam 18 extends, and the knitting needle assembly slides from left to right in the figure. The pin I32 at the tail of the knitting needle 31 passes through the gap between the upper guard 10, the mesh cam 12, and the lower guard 9 in sequence. Under the action of the needle selection limit cam 2 and the needle push cam 1, the knitting needle 31 and the long needle plate 33 selected by the needle selector 3 for knitting gradually separate, and the pin I32 enters the needle track II13 and moves along the trajectory of the needle track II13, as shown in the double-dotted line path indicated by the arrow to the right of the pin I32 in the figure. At the same time, the pin II34 of the long needle plate 33 passes under the pin guard 7 and enters the needle track IV8, moving along the trajectory of the needle track IV8, as shown in the double-dotted line path indicated by the arrow to the right of the pin II34 in the figure. After the knitting needle assembly has completely moved along the needle path II13 and the needle path IV8, the normal knitting of the fabric is completed. As for the specific principle of knitting the fabric (yarn looping) by the knitting needle assembly, it is a conventional existing technology and has been introduced in the background technology by the applicant, so it will not be repeated here.

[0063] (2) Turning needle

[0064] See also Figure 8 , describe the first set of cam systems on the left. When knitting, the lower turning cam 17 extends and the knitting cam 18 retracts. The knitting needle assembly slides from left to right in the figure. The stitch Ⅰ32 at the tail of the knitting needle 31 passes through the gap between the upper guard mountain 10, the mesh cam 12 and the lower guard mountain 9 in turn. Under the action of the needle selection limit cam 2 and the needle push cam 1, the knitting needle 31 and the long needle piece 33 selected by the needle selector 3 to participate in the knitting work are gradually separated, and the stitch Ⅰ32 enters the needle At the same time, the long needle 33's stitch II 34 passes under the stitch guard 7 and enters one side of the needle track IV 8. As the knitting cam 18 retracts, stitch II 34 slides horizontally to the right along the top edge of the wing cam 24 and the center cam 5, finally entering the other side of the needle track IV 8. As shown in the double-dotted line path indicated by the arrow to the right of stitch II 34 in the figure, the knitting needle assembly completes the transfer operation of the fabric after it has completely moved along the needle track I 14, the left side of the needle track IV 8, the top edge of the wing cam 24 and the center cam 5, and the right side of the needle track IV 8.

[0065] (3) Connecting pins

[0066] See also Figure 9, described with the first set of cam systems on the left. When connecting the needle, the lower turning cam 17 extends, the knitting cam 18 retracts, the guide needle cam 4 extends, and the knitting needle assembly slides from left to right as shown in the figure. The stitch Ⅰ32 at the tail of the knitting needle 31 passes through the gap between the upper guard mountain 10, the mesh cam 12 and the lower guard mountain 9 in turn. Under the action of the needle selection limiting cam 2 and the needle pushing cam 1, the knitting needle 31 and the long needle piece 33 selected by the needle selector 3 to participate in the knitting work are gradually separated, and the stitch Ⅰ32 slides to the upper right to the bottom of the lower turning cam 17, and enters the guide groove on the right side of the needle path Ⅲ19 to fit in and walk. For details, see the double-dotted line path indicated by the arrow on the right side of the stitch Ⅰ32 in the figure. At the same time, the pin II 34 of the long needle piece 33 slides out to the right through the inclined surface B71 below the pin guard 7, moves horizontally, and slides into the needle path V6 under the action of the guide cam 4. Then, it escapes from the needle path V6 through the guide inclined surface A20 on one side of the central cam 5, fits against the surface of the central cam 5, and slides to the top edge of the central cam 5 under the guidance of the step on the surface of the central cam 5. It passes through the guide inclined surface A20 on the wing cam 24 and the surface of the wing cam 24 and enters the other side of the needle path V6. See the double-dotted line path indicated by the arrow to the right of pin II 34 in the figure for details. When the knitting needle assembly has completed the above-mentioned movement path, the stitching action on the fabric is completed.

[0067] (4) Normal tuck

[0068] See also Figure 10 , described with the first set of cam systems on the left, during normal tuck, the lower turning cam 17 is retracted, the knitting cam 18 is also retracted, and the knitting needle assembly slides from left to right as shown in the figure, and the stitch Ⅰ32 at the tail of the knitting needle 31 passes through the gap between the upper guard mountain 10, the mesh cam 12 and the lower guard mountain 9 in turn. Under the action of the needle selection limit cam 2 and the needle push cam 1, the knitting needle 31 and the long needle piece 33 selected by the needle selector 3 to participate in the knitting work are gradually separated, and the stitch Ⅰ32 is guided by the side wall of the mesh cam 12 toward the upper turning cam 16, and then moves horizontally along the bottom surface of the upper turning cam 16. After sliding to the other side of the cam 12, it moves downward at an angle under the guidance of its side wall, and finally slides out from under the cam 12, as shown in the figure by the double-dotted line indicated by the arrow to the right of stitch I 32. At the same time, stitch II 34 of the long needle piece 33 passes under the stitch guard 7 and enters one side of the needle path IV 8. Because the knitting cam 18 is retracted, stitch II 34 slides horizontally to the right along the top edge of the wing cam 24 and the center cam 5, and finally enters the other side of the needle path IV 8 and slides downward at an angle, as shown in the figure by the double-dotted line indicated by the arrow to the right of stitch II 34. When the knitting needle assembly has completed the above-mentioned movement path, the normal tuck action of the fabric is completed.

[0069] (5) Tight tuck

[0070] When tightening the stitches, the movement trajectory of each stitch is Figure 9 The displayed pin track is the same, see Figure 9 The double-dotted line path indicated by the arrow on the right side of the middle stitch Ⅰ 32 and the double-dotted line path indicated by the arrow on the right side of the stitch Ⅱ 34, as for the specific text description when walking, please refer to the content introduced in the above number (3), and wait for the knitting needle assembly to move along Figure 9 After the needle path shown in is completed, the fabric is tucked tightly.

[0071] (6) Weaving + tight tuck

[0072] See also Figure 11 , describe the first set of cam systems on the left. When knitting and tuck are carried out at the same time, the lower turning cam 17 retracts, the knitting cam 18 extends, the guide cam 4 extends, and the knitting needle assembly slides from left to right as shown in the figure. The stitch Ⅰ32 at the tail of the knitting needle 31 passes through the gap between the upper guard mountain 10, the mesh cam 12 and the lower guard mountain 9 in turn. Under the action of the needle selection limit cam 2 and the needle push cam 1, the knitting needle 31 and the long needle piece 33 selected by the needle selector 3 to participate in the knitting work are gradually separated. Under the guidance of the side wall of the mesh cam 12, the turning cam 16 moves obliquely upward. When it reaches the middle part of the mesh cam 12, a part of it participates in the knitting. The stitch Ⅰ32 of the needle continues to slide obliquely to the upper right, and then enters the needle path Ⅱ13, walking along the trajectory of the needle path Ⅱ13, while the other part of the stitches Ⅰ32 participating in the tuck begins to slide horizontally. When it walks to the lower middle part of the lower turning needle cam 17, it slides obliquely upward, and merges into the same path with the knitting needle stitch Ⅰ32 that slides out of the needle path Ⅱ13 at the lower right side of the upper turning needle cam 16, and slides horizontally to the right together. After abutting against the side wall of the mesh cam 12 on the other side, it slides obliquely downward together under its guiding action, and finally slides out to the right from the lower side of the mesh cam 12 on the other side. See the two double-dotted line paths indicated by the arrow on the right side of the stitch Ⅰ32 in the figure for details;

[0073] At the same time, after separation, the stitch II 34 of the long needle piece 33 slides out to the right through the inclined surface B71 below the stitch guard 7, and the stitch II 34 involved in knitting moves upward along the needle path IV 8 under the guidance of the side wall of the stitch guard 7, while the stitch II 34 involved in tuck moves horizontally to the right after sliding out of the inclined surface B71, enters the needle path V6 under the action of the guide needle triangle 4, and then escapes from the needle path V6 through the guide inclined surface A20 on one side of the central triangle 5, and is connected to the central triangle. The surfaces of the corners 5 are in contact with each other, and under the guidance of the steps on the surface of the central triangle 5, the needle assembly slides to the top edge of the central triangle 5, and under the guidance of the guide slope A20 of the wing triangle 24 on the other side, enters the other side of the needle path IV8. At this time, the stitches in needle path IV8 and needle path V6 follow the same path within needle path IV8, and are guided by the side wall of the stitch guard 7 on the other side to slide downward and out of needle path IV8. See the two double-dotted lines indicated by the arrows to the right of stitch II 34 in the figure for details. After the knitting needle assembly has completed all the above-mentioned travel paths, it has completed the simultaneous actions of knitting and tightening the fabric, so as to weave fabrics with more styles and patterns.

[0074] (7) Not woven

[0075] See also Figure 12 , described with the first set of cam systems on the left. When not knitting, the knitting needle assembly slides from left to right as shown in the figure, and the pin II 34 of the long needle piece 33 walks horizontally along the gap between the guide cam 4 and the long guard cam 25 (see the double-dotted line path indicated by the arrow on the right side of the pin II 34 in the figure), without any contact with the surface of the cam motherboard 21, thereby avoiding the close friction between the pin II 34 and the surface of other components, greatly reducing the wear of the pin II 34, and thus eliminating the phenomenon of needle collision or needle selection errors when the cam system moves left and right, greatly reducing the failure rate during operation and saving maintenance costs; in addition, because the pin II 34 is in a suspended state when not knitting, it is not tightly fitted with the cam motherboard 21, thereby avoiding the elastic force of the long needle piece 33 being applied to the machine head, fully reducing the load when the machine head slides left and right, reducing noise generation, and reducing the frequency and cost of maintenance.

[0076] The present invention, through the above structure, also enables the triangular mother plate 21 and the needle selection mother plate 22 to be integrally formed into a triangular base plate, without the need to splice the two plates together with screws as in the prior art. Example

[0077] See also Figure 13 and Figure 14 The difference between the computer flat knitting machine plate in this embodiment and the computer flat knitting machine plate in the above embodiment 1 is that: in this embodiment 2, two symmetrical inclined surfaces C181 are provided near the middle of the lower part of the knitting cam 18 (see Figure 17), the inclined surface C181 connects the needle path IV8 and the needle path V6. This structure is designed so that the present invention can perform knitting and normal tuck actions simultaneously during operation. The specific working process is as follows, and the action numbering of the above-mentioned knitting needle assembly is continued:

[0078] (8) Knitting + normal tuck

[0079] See also Figure 15 , describe the first set of cam systems on the left. When knitting and normal tuck are carried out at the same time, the lower turning cam 17 retracts, the knitting cam 18 extends, the guide cam 4 extends, and the knitting needle assembly slides from left to right as shown in the figure. The stitch Ⅰ 32 at the tail of the knitting needle 31 passes through the gap between the upper guard mountain 10, the mesh cam 12 and the lower guard mountain 9 in turn. Under the action of the needle selection limit cam 2 and the needle push cam 1, the knitting needle 31 and the long needle piece 33 selected by the needle selector 3 to participate in the knitting work are gradually separated. Under the guidance of the side wall of the mesh cam 12, the turning cam 16 moves obliquely upward. When it reaches the middle part of the mesh cam 12, a part of the knitting needle assembly is moved upward. The stitches Ⅰ32 that participate in the knitting continue to slide obliquely to the upper right, and then enter the needle path Ⅱ13, and walk along the trajectory of the needle path Ⅱ13, while the stitches Ⅰ32 that participate in the tuck begin to slide horizontally. When they walk to the lower middle part of the needle path Ⅱ13, they slide obliquely upward, and merge into the same path with the knitting needle stitches Ⅰ32 that slide out of the needle path Ⅱ13 on the lower right side of the upper needle cam 16, and slide horizontally to the right together. Under the guidance of the side wall of the mesh cam 12 on the other side, they slide obliquely downward together, and finally slide out horizontally from the bottom of the mesh cam 12 on the other side. See the two double-dotted line paths indicated by the arrows on the right side of the stitch Ⅰ32 in the figure for details.

[0080] At the same time, the pin II 34 of the long needle piece 33 slides out to the right through the inclined surface B71 below the pin guard 7, and the knitting needle pin II 34 participating in the knitting walks along the needle path IV 8 tilted upward under the guidance of the side wall of the pin guard 7, while the knitting needle pin II 34 participating in the tuck walks horizontally after sliding out of the inclined surface B71, enters the needle path V6 under the action of the guide triangle 4, and then escapes from the needle path V6 through the guide inclined surface A20 on one side of the central triangle 5, and is connected with the central triangle 5. The surfaces of the corners 5 are in contact with each other, and under the guidance of the step on the surface of the central cam 5, it slides obliquely upward, guided by the right inclined surface C181, and enters the needle path IV8 below the right side of the knitting cam 18. At this time, the stitches in needle path IV8 and needle path V6 follow the same path, sliding horizontally to the right together, and finally sliding obliquely downward out of needle path IV8 under the guidance of the side wall of the stitch guard 7 on the other side. See the two double-dotted lines indicated by the arrows to the right of stitch II34 in the figure for details. After the knitting needle assembly has completed all the above-mentioned travel paths, it has completed the knitting of the fabric and the normal tuck operation, so as to weave a variety of fabric styles and patterns.

[0081] The above-mentioned second embodiment can also realize the normal tuck of a single stitch during fabric knitting, specifically as follows: continue to follow the action number of the above-mentioned knitting needle assembly.

[0082] (9) Normal tuck

[0083] See also Figure 16 When the cam 17 is moved downwards, the knitting cam 18 is moved outwards, and the guide cam 4 is moved outwards, so that the knitting needle assembly 10 can be moved downwards and the knitting needle cam 10 can be moved downwards.

[0084] At the same time, pin II34 of the long needle plate 33 slides rightward through the bevel B71 below the pin guard 7, moves horizontally, and enters needle path V6 under the guidance of the guide cam 4. It then exits needle path V6 through the guide bevel A20 on one side of the central cam 5, comes into contact with the surface of the central cam 5, and, guided by the step on the surface of the central cam 5, slides obliquely upward. Guided by the right bevel C181, it slides horizontally to the right, enters needle path IV8 from the right side of the knitting cam 18, and slides obliquely downward out of needle path IV8 under the guidance of the side wall of the pin guard 7 on the other side. See the double-dotted chain line path indicated by the arrow to the right of pin II34 in the figure for details. When the knitting needle assembly has completed its normal tuck operation along the above-mentioned path, the fabric is tucked. This design provides an additional normal tuck path without affecting the normal operation of the knitting needle assembly, allowing production workers to choose the path according to the fabric style and pattern during actual production.

[0085] The above-mentioned fabric knitting action numbers (1)-(9) are only an introduction to the action paths of some common knitting needle assemblies in current production operations, and are not exhaustive. In the actual production process, those skilled in the art can also derive other knitting needle travel paths and combinations of different action paths based on the specific fabric style and pattern, as well as the structural scheme designed by the present invention. Therefore, they will not be described one by one here. It is believed that those skilled in the art have clearly understood the overall technical improvement scheme of the present invention after reading the above content.

[0086] After calculation, the present invention adopts the above-mentioned scheme and can save at least 1,000 yuan per mountain board compared with the structure of the same function in the prior art. This cost is only the production cost. If the subsequent repair and maintenance costs are included, the cost savings will be even higher.

[0087] In addition, if the side triangle 24 is designed to be a retractable structure, the above-mentioned combined functions such as needle connection and tuck can also be achieved; in order to save more costs, the guide needle triangle 4 can also be changed to a fixed installation structure, or the guide needle triangle 4 and the central triangle 5 can be designed as an integrated structure that is convenient for processing and manufacturing. These structures with simple changes in the design concept of the present invention are within the scope of protection of the present invention.

[0088] By attaching the above-described computerized flat knitting machine plate to a crochet knitting machine, the needles on the needle plate can be configured to perform various actions, including knitting, tucking, transferring, joining, and non-knitting, thereby achieving knitting of various techniques and patterns on knitted fabrics. As for the corresponding software for the crochet knitting machine computer, those skilled in the art can program it themselves based on the above-described functions and common programming knowledge in the industry. This present invention will not be further elaborated upon herein.

[0089] The lower guard mountain 9 in the present invention is installed between the upper guard mountain 10 and the pin guard mountain 7, the long guard triangle 25 is installed between the guide needle triangle 4 and the needle selector 3, the needle selection limit triangle 2, the needle push triangle 1 and the needle selection reset triangle 23 are installed at the bottom edge of the needle selection motherboard 22, and their functions and structures are the same as those in the prior art.

[0090] To sum up, the present invention eliminates the non-woven pressing plate on the original mountain plate and the three pressing leg triangles (two needle receiving pressing legs and one loop pressing leg) above it, as well as the complex driving mechanism that drives the corresponding pressing leg actions, through reasonable structural design and optimization and improvement of various needle paths, while ensuring the various actions performed by the knitting needle assembly on the fabric. This simplifies the overall structure of the mountain plate of the computer flat knitting machine, greatly saves its own production and manufacturing costs, avoids the occurrence of needle collision or needle selection errors caused by needle wear, reduces the load on the machine head when it slides left and right, improves stability during operation, and reduces the frequency and cost of maintenance.

[0091] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0092] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art could make various modifications and improvements without departing from the spirit of the present application, all of which fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A new type of computerized flat knitting machine plate, comprising a triangle motherboard (21) and a needle selection motherboard (22), wherein a mesh cam (12), a needle guard cam (15), a needle transfer cam (67) and a knitting cam (18) are mounted on the surface of the triangle motherboard (21), wherein the needle guard cam (15) is located above the triangle motherboard (21), the needle transfer cam (67) is located below the needle guard cam (15), and the knitting cam (18) is located below the needle transfer cam (67), and a needle selector (3) is mounted on the needle selection motherboard (22), characterized in that: It also includes a central triangle (5), a guide needle triangle (4), a side triangle (24) and a pin guard (7) mounted on the triangle motherboard (21); The needle turning triangle (67) is composed of an upper needle turning triangle (16) and a lower needle turning triangle (17), and the lower needle turning triangle (17) is telescopically mounted on the triangle motherboard (21). A needle path I (14) is provided between the upper needle turning triangle (16) and the needle guard triangle (15), and a needle path II (13) is provided between the upper needle turning triangle (16) and the lower needle turning triangle (17). The bottom of the lower needle turning triangle (17) is a needle path III (19). There are two mesh triangles (12), which are distributed in an eight-shaped pattern and are respectively provided on the left and right sides of the needle turning triangle (67); The braiding triangle (18) is telescopically mounted on the triangle motherboard (21); The central triangle (5) and the wing triangle (24) are located below the knitting triangle (18), there are two wing triangles (24), and they are located on the left and right sides of the central triangle (5), respectively; the guide needle triangle (4) is located at the bottom of the central triangle (5), and there are two stitch guards (7), which are arranged obliquely on the left and right sides of the wing triangle (24); The stitch guard (7), the knitting triangle (18), the wing triangle (24) and the central triangle (5) together form a needle path IV (8); A needle path V (6) is formed between the wing triangle (24) and the central triangle (5), and a guide slope A (20) is provided on the adjacent upper side walls of the wing triangle (24) and the central triangle (5).

2. A new type of computerized flat knitting machine mountain plate according to claim 1, characterized in that: A knitting needle assembly for traveling along a needle path comprises a knitting needle (31), a long needle piece (33) and a needle selector (36), wherein the long needle piece (33) is located below the knitting needle (31) and fits with the knitting needle (31), and the long needle piece (33) is elastic when pressed after being inserted into the needle groove, and the needle selector (36) is located below the long needle piece (33) and is used to cooperate with the needle selector (3); The tail of the knitting needle (31) is provided with a stitch I (32), and the stitch I (32) is used to cooperate with the needle track I (14), the needle track II (13) and the needle track III (19); A pin II (34) is provided in the middle of the long needle piece (33), and the pin II (34) is used to cooperate with the needle track IV (8) and the needle track V (6).

3. A new type of computerized flat knitting machine mountain plate according to claim 2, characterized in that: The long needle piece (33) is elastic when pressed after being inserted into the needle groove, which means that an elastic rod (35) is provided on the side wall of the long needle piece (33) opposite to the needle plate, one end of the elastic rod (35) is connected to the long needle piece (33), and the other end is pressed against the needle plate.

4. A new type of computerized flat knitting machine mountain plate according to claim 2, characterized in that: The long needle piece (33) is elastic when pressed after being inserted into the needle groove, which means that the two ends of the long needle piece (33) opposite to the needle plate are provided with protrusions (37), and the two protrusions (37) are in contact with the needle plate, so that the middle part of the long needle piece (33) is suspended in the air to generate elasticity.

5. A new type of computerized flat knitting machine plate according to any one of claims 2 to 4, characterized in that: A plurality of arc-shaped notches (38) are provided on the long needle plate (33) below the pin II (34), and a steel wire is provided on the needle plate for matching the arc-shaped notches (38).

6. The new type of computerized flat knitting machine mountain plate according to claim 1, characterized in that: The transverse width of the guide needle triangle (4) is greater than the transverse width of the central triangle (5), so that a step (45) is generated at the contact portion between the two side walls.

7. The new type of computerized flat knitting machine mountain plate according to claim 1, characterized in that: The bottom of the pin guard (7) is provided with an inclined surface B (71).

8. The new type of computerized flat knitting machine mountain plate according to claim 7, characterized in that: The pin guard (7) is provided with an inwardly inclined guide surface B (72) at the end close to the triangular motherboard (21), and the bottom of the guide surface B (72) extends downward to the starting end of the inclined surface B (71). An upper guard (10) is provided above the pin guard (7), and the upper guard (10) is mounted on the triangular motherboard (21) and is located outside the mesh triangle (12). The upper guard (10) is provided with an inwardly inclined guide surface A (11) at the end close to the triangular motherboard (21), and the inclination angle of the guide surface A (11) matches that of the guide surface B (72), and the top of the guide surface B (72) is aligned with the bottom of the guide surface A (11).

9. The new type of computerized flat knitting machine mountain plate according to claim 1, characterized in that: Two symmetrical inclined surfaces C (181) are provided near the middle of the lower portion of the knitting triangle (18), and the inclined surfaces C (181) are connected to the needle path IV (8) and the needle path V (6).

10. A crochet knitting machine, characterized in that: The invention comprises a new type of computer flat knitting machine mountain board as claimed in any one of claims 1 to 9.

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