Rapidly-formed triangular mold of circular knitting machine
By using the combination of bolts and limit structures in the round weft machine triangular mold, the problem of bolt loosening is solved, and the stability and installation accuracy of the mold are improved.
Patent Information
- Application Number
- CN202422464553.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The existing fast-forming round weft machine triangle molds have loosened bolts due to vibration and other factors, resulting in poor stability of the mold body.
The combination of bolts 1, bolt 2, and bolt 3 is used, and the limit position of the bolt is achieved through the limit holes, limit rods, elastic parts and other structures. Combined with the movement of the screw and screw barrel, the mold position is adjusted to improve installation accuracy and stability.
It effectively avoids vibration and loosening of bolts, ensuring the long-term stability and installation accuracy of the triangular mold body.
Smart Images

Figure CN223176342U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circular weft knitting machine triangular dies, in particular to a circular weft knitting machine triangular die for rapid prototyping. Background Technique
[0002] The circular weft knitting machine triangular die refers to a die used to produce products or parts in a triangular shape on a circular weft knitting machine. A circular weft knitting machine is a special mechanical equipment used to produce products such as plastic woven bags, gunny bags, and container bags, and is commonly used in industries such as chemical engineering, grain, and building materials.
[0003] The invention patent with the publication number CN113802258A discloses a double-sided circular weft knitting machine, which includes a weft knitting machine body and a sinker cam for the knitting structure of the needle cylinder on the weft knitting machine body. The sinker cam includes a return needle part arranged in a plane and a corner part with an opening facing downwards. The return needle part and the corner part are connected by an arc-shaped connecting part with an opening facing upwards; in the above double-sided circular weft knitting machine, by lengthening the plane part of the return needle part, the arc amount of the lower knitting needle containing the thread is increased several times, and the amount of yarn required for the upper knitting needle to form a loop can be evenly distributed to multiple knitting needles of the lower knitting needle. The forces between the positive and negative coils formed by the upper and lower knitting needles are uniform, and it is not easy to produce coil distortion. The fabric surface is flat, the upper and lower coils are balanced, it is not easy to form horizontal stripes, the fabric will not produce curling phenomenon, the non - run - off property and elongation of the fabric are improved, and the fabric has a strong three - dimensional sense and good light transmittance of the upper and lower fabric surfaces.
[0004] However, there are still certain deficiencies in the existing circular weft knitting machine triangular die for rapid prototyping: Although the existing circular weft knitting machine triangular die for rapid prototyping uses components such as bolts to lock the triangular die body, due to the influence of factors such as vibration, the bolts will vibrate and become loose after long - term use, thus resulting in the problem of poor stability of the triangular die body. Content of the Utility Model
[0005] The purpose of the utility model is to provide a circular weft knitting machine triangular die for rapid prototyping, which solves the problem that although the existing circular weft knitting machine triangular die for rapid prototyping uses components such as bolts to lock the triangular die body, due to the influence of factors such as vibration, the bolts will vibrate and become loose after long - term use, thus resulting in the problem of poor stability of the triangular die body.
[0006] To achieve the above - mentioned purpose, the utility model provides the following technical solution: A circular weft knitting machine triangular die for rapid prototyping, including a triangular die body. A first bolt is movably connected inside the triangular die body, a second bolt is movably connected inside the triangular die body, a third bolt is movably connected inside the triangular die body. A screw rod is installed inside the triangular die body through a bearing. A screw barrel is threadedly connected to the outside of the screw rod. A support piece is fixedly connected to the lower end of the screw barrel. A limiting mechanism is jointly arranged on the triangular die body and the first bolt.
[0007] Preferably, the support piece is in contact with the screw rod, and the support piece is slidably connected to the triangular mold body. Through the arrangement of the support piece, the triangular mold body can be supported and adjusted for use.
[0008] Preferably, two symmetrically distributed guide pieces are fixedly connected to the upper end of the support piece, and each guide piece is slidably connected to the triangular mold body. Through the arrangement of the guide pieces, the support piece can be assisted in guiding.
[0009] Preferably, the limiting mechanism includes a limiting hole. A limiting hole is formed on the surface of the first bolt. A limiting rod is slidably connected to the inner wall of the triangular mold body. The limiting rod is slidably connected to the limiting hole. An end piece is fixedly sleeved on the outer side of the limiting rod. The end piece is slidably connected to the triangular mold body. An elastic member is adhered to the end face of the end piece on the side away from the first bolt, and the other end of the elastic member is adhered to the triangular mold body. Through the arrangement of structures such as the limiting hole and the limiting rod, the first bolt can be limited for use.
[0010] Preferably, a plurality of limiting holes are provided, and the plurality of limiting holes are arranged in a circular array on the first bolt. Through the arrangement of the limiting holes, it is convenient to cooperate with the limiting rod for insertion use.
[0011] Preferably, two elastic members are provided, and the two elastic members are symmetrically distributed on the end piece. Through the arrangement of the elastic members, the end piece can be connected for use.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] 1. Through the combined use of the first bolt, the second bolt, and the third bolt, the present utility model can lock and fix the triangular mold body and the conical component. Under the structures such as the limiting hole, the limiting rod, and the elastic member, the first bolt can be limited to avoid the problem of loosening due to vibration of the first bolt, so as to ensure the long-term stability of the triangular mold body.
[0014] 2. By pushing the screw rod to rotate, under the relationship of threaded connection, the present utility model can drive the screw cylinder to drive the support piece to move, thereby adaptively adjusting the position of the triangular mold body, so as to improve the levelness of the subsequent installation of the triangular mold body and ensure the accuracy of the installation of the triangular mold body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional view of the overall structure of the present utility model;
[0016] Figure 2 is the Figure 1 bottom three-dimensional view of the present utility model;
[0017] Figure 3For the present utility model Figure 1 left side view sectional view;
[0018] Figure 4 For the present utility model Figure 1 enlarged view at position A.
[0019] In the figure: 1, triangular die body; 2, bolt one; 3, bolt two; 4, bolt three; 5, screw rod; 6, screw barrel; 7, support piece; 8, guide piece; 9, limiting mechanism; 91, limiting hole; 92, limiting rod; 93, end piece; 94, elastic member. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 , a circular knitting machine triangular die for rapid prototyping, including a triangular die body 1, a bolt one 2 is movably connected inside the triangular die body 1, a bolt two 3 is movably connected inside the triangular die body 1, a bolt three 4 is movably connected inside the triangular die body 1, a screw rod 5 is installed inside the triangular die body 1 through a bearing, a screw barrel 6 is threadedly connected to the outside of the screw rod 5, and a support piece 7 is fixedly connected to the lower end of the screw barrel 6.
[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 , the support piece 7 contacts the screw rod 5, the support piece 7 is slidably connected to the triangular die body 1. Through the setting of the support piece 7, the triangular die body 1 can be supported and adjusted for use. Two symmetrically distributed guide pieces 8 are fixedly connected to the upper end of the support piece 7, and each guide piece 8 is slidably connected to the triangular die body 1. Through the setting of the guide pieces 8, the support piece 7 can be assisted in guiding.
[0023] Please refer to Figure 1 、 Figure 2 、 Figure 4, a limiting mechanism 9 is jointly provided on the triangular mold body 1 and the first bolt 2. The limiting mechanism 9 includes a limiting hole 91. The limiting hole 91 is provided on the surface of the first bolt 2. A limiting rod 92 is slidably connected to the inner wall of the triangular mold body 1. The limiting rod 92 is slidably connected to the limiting hole 91. An end piece 93 is fixedly sleeved on the outer side of the limiting rod 92. The end piece 93 is slidably connected to the triangular mold body 1. An elastic member 94 is bonded to the end face of the end piece 93 away from the first bolt 2. The other end of the elastic member 94 is bonded to the triangular mold body 1. Through the arrangement of structures such as the limiting hole 91 and the limiting rod 92, the first bolt 2 can be limited for use.
[0024] Please refer to Figure 1 , Figure 2 , Figure 4 , multiple limiting holes 91 are provided. The multiple limiting holes 91 are arranged in a circular array on the first bolt 2. Through the arrangement of the limiting holes 91, it is convenient to cooperate with the limiting rod 92 for insertion use. Two elastic members 94 are provided. The two elastic members 94 are symmetrically distributed on the end piece 93. Through the arrangement of the elastic members 94, the end piece 93 can be connected for use.
[0025] The specific implementation process of the present utility model is as follows: During use, by rotating the driving screw 5, under the relationship of threaded connection, the screw cylinder 6 can be driven to move, so as to drive the supporting piece 7 to move, and drive the guiding piece 8 to slide along the inner wall of the triangular mold body 1, so as to ensure the stability of the movement of the supporting piece 7, and then adjust and support the position of the triangular mold body 1, so as to improve the levelness between the subsequent triangular mold body 1 and the circular weft mechanism parts and ensure the installation accuracy;
[0026] By pushing the end piece 93 to move away from the first bolt 2, the limiting rod 92 can be driven to slide along the inner wall of the triangular mold body 1, and the elastic member 94 deforms. Then, push the first bolt 2 through the triangular mold body 1, so that the first bolt 2 contacts the circular weft mechanism part, rotate the first bolt 2, so that the first bolt 2 performs a threaded movement, install the first bolt 2, and loosen the end piece 93 so that the elastic member 94 returns to its original shape, so as to push the limiting rod 92 into the limiting hole 91 to limit the first bolt 2. Then, install the second bolt 3 and the third bolt 4 in sequence to complete the locking of the triangular mold body 1. Under the action of the limiting mechanism 9, the problem of vibration loosening of the first bolt 2 can be avoided, and the long-term stability of the triangular mold body 1 can be ensured to the greatest extent.
[0027] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A circular knitting machine triangular mold for rapid prototyping, comprising a triangular mold body (1), characterized in that: A bolt one (2) is movably connected inside the triangular die body (1), a bolt two (3) is movably connected inside the triangular die body (1), a bolt three (4) is movably connected inside the triangular die body (1), a screw rod (5) is installed inside the triangular die body (1) through a bearing, a screw barrel (6) is threadedly connected to the outside of the screw rod (5), a support piece (7) is fixedly connected to the lower end of the screw barrel (6), and a limiting mechanism (9) is jointly arranged on the triangular die body (1) and the bolt one (2).
2. The circular weft knitting machine triangular mold for rapid prototyping according to claim 1, wherein: The support piece (7) contacts the screw rod (5), and the support piece (7) is slidably connected to the triangular die body (1).
3. A circular weft knitting machine triangular mold for rapid prototyping according to claim 1, characterized in that: Two symmetrically distributed guide pieces (8) are fixedly connected to the upper end of the support piece (7), and each guide piece (8) is slidably connected to the triangular die body (1).
4. A circular weft knitting machine triangular mold for rapid prototyping according to claim 1, characterized in that: The limiting mechanism (9) includes a limiting hole (91), the limiting hole (91) is formed on the surface of the bolt one (2), a limiting rod (92) is slidably connected to the inner wall of the triangular die body (1), the limiting rod (92) is slidably connected to the limiting hole (91), an end piece (93) is fixedly sleeved on the outside of the limiting rod (92), the end piece (93) is slidably connected to the triangular die body (1), an elastic member (94) is adhesively connected to the end face on the side of the end piece (93) away from the bolt one (2), and the other end of the elastic member (94) is adhesively connected to the triangular die body (1).
5. A circular weft knitting machine triangular mold for rapid prototyping according to claim 4, characterized in that: A plurality of the limiting holes (91) are provided, and the plurality of limiting holes (91) are arranged in a circular array on the bolt one (2).
6. A circular knitting machine triangular mold for rapid prototyping according to claim 4, characterized in that: Two elastic members (94) are provided, and the two elastic members (94) are symmetrically distributed on the end piece (93).
Citation Information
Patent Citations
Double-sided circular weft knitting machine
CN113802258A