Bottom comb fixing seat and yarn guide needle bed connecting structure and assembly

Abstract

The utility model discloses a bottom comb fixing seat and yarn guide needle bed connecting structure and component, the connecting structure comprises a guide bar hanging bracket seat, a guide bar hanging bracket and a hanging shaft component, one end of the hanging shaft component is arranged on the guide bar hanging bracket seat, and the other end of the hanging shaft component is coaxially provided with a guide connecting shaft and penetrates through the guide bar hanging bracket. And the peripheral surfaces of the guide connecting shafts converge towards one end far away from the lifting shaft assembly to form a frustum. By additionally arranging the frustum-shaped guide connecting shaft, when the guide bar hanging bracket seat and the guide bar hanging bracket are assembled, better guidance quality is achieved, and at the beginning of assembly, the tip end of the frustum can achieve a larger assembly gap, so that the requirement for the initial assembly precision of the guide bar hanging bracket seat and the guide bar hanging bracket is lowered, and in the actual assembly process, the assembly precision is improved. Therefore, it is possible to preassemble the guide bar hanger on the guide needle bed and then sleeve the hanger shaft assembly with the whole structure, a traditional assembly mode is changed, assembly procedures are simplified, labor is saved, and assembly efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to warp knitting machine equipment technical field especially a kind of bottom comb fixed seat and guide needle bed connecting structure and assembly. BACKGROUND

[0002] Warp knitting machine is a kind of textile machinery for producing knitted fabric, it arranges yarn along longitudinal direction (warp direction), and uses a series of needle and guide bar (also called guide) to weave these yarns, so as to form fabric, and it is widely used in clothing, home decoration, industrial textiles and other fields.The connecting structure of bottom comb fixed seat and guide needle bed is one of the key components of warp knitting machine, mainly used to ensure that bottom comb (also called guide bar) is stably installed on the machine, and can efficiently and accurately guide yarn to form fabric.In the field of warp knitting machine equipment, the connecting structure is basically the same, such as the authorized announcement No.CN 208071897 U discloses a special structure for eight guide bar, the bottom comb fixed seat is fixedly connected with the guide bar hanger seat, the guide bar hanger is fixedly installed on the guide needle bed, the hanger shaft is fixedly installed on the guide bar hanger seat, and the guide bar hanger seat is sleeved on the hanger shaft to form a complete connecting structure.It is well known that there are multiple guide bar hangers on the same guide needle bed, which need to be connected with multiple guide bar hanger seats, the free end of the existing hanger shaft is large in size, the assembly gap of the connecting hole corresponding to the guide bar hanger seat is small, the assembly is difficult, and when connecting, each guide bar hanger needs to be sleeved on the hanger shaft one by one, and then the guide bar hanger and the guide needle bed are fixedly connected by bolts, which not only complicates the assembly, but also needs the cooperation of multiple workers, seriously affecting the assembly efficiency. SUMMARY

[0003] The utility model aims at the deficiency of prior art and provides a kind of bottom comb fixed seat and guide needle bed connecting structure and assembly, the structure of hanger shaft is optimized, so as to simplify the assembly of guide bar hanger seat and guide bar hanger, improve assembly efficiency.

[0004] The technical scheme for realizing the utility model is as follows:

[0005] A kind of bottom comb fixed seat and guide needle bed connecting structure, including guide bar hanger seat, guide bar hanger and hanger shaft assembly, one end of the hanger shaft assembly is installed on the guide bar hanger seat, the other end is coaxially provided with guide connecting shaft and penetrates guide bar hanger, the outer circumferential surface of the guide connecting shaft converges towards the end away from the hanger shaft assembly, forming a frustum.

[0006] Further, the length of the frustum is greater than the maximum outer diameter of the frustum.

[0007] Further, the length of the frustum is 1.4-1.6 times the maximum outer diameter of the frustum.

[0008] Further, the hanger shaft assembly comprises a hanger shaft body and a linear ball bearing coaxially arranged on the hanger shaft body, and a hanger steel sleeve is slidably arranged on the linear ball bearing in a linear direction.

[0009] Further, the hanger shaft body is fixedly inserted into the mounting hole at one end, and the other end is provided with a first threaded hole, the rear end of the guide shaft is provided with a threaded column, and the threaded column is screwed into the first threaded hole.

[0010] Further, one end of the hanger shaft body is provided with a second threaded hole, the entrance of the second threaded hole is provided with a flared trumpet mouth, the outer peripheral surface of the trumpet mouth is provided with a notch, a tensioning screw is arranged in the second threaded hole, the head end of the tensioning screw is provided with a tensioning part, and when the tensioning screw is tightened, the tensioning part extrudes the trumpet mouth outward to tightly fix the end of the hanger shaft body in the mounting hole.

[0011] Further, one end of the hanger shaft body close to the guide shaft is provided with an annular clamping groove, and a clamping spring is arranged in the annular clamping groove, and a compression spring is arranged on the hanger shaft body between the clamping spring and the linear ball bearing and between the comb hanger seat and the linear ball bearing.

[0012] A bottom comb fixed seat and guide needle bed connecting assembly comprises a guide needle bed and a plurality of bottom comb fixed seats, the guide needle bed is provided with a plurality of connecting structures as described above along the length direction, the comb hanger seat is detachably fixed on the guide needle bed through screws, and the bottom comb fixed seat corresponds to the comb hanger and is detachably connected through screws.

[0013] By adopting the above technical scheme, the utility model has the following beneficial effects:

[0014] (1) The utility model discloses a taper-shaped guide shaft is additionally arranged, when the comb hanger seat and the comb hanger are assembled, better directionality is realized, and at the initial assembly, the tip of the taper can realize a larger assembly gap, thereby reducing the initial assembly precision requirement of the comb hanger seat and the comb hanger, in actual assembly, the comb hanger is preassembled on the guide needle bed, and the overall structure is assembled on the hanger shaft assembly, which changes the traditional assembly mode, simplifies the assembly process, saves labor, and improves the assembly efficiency.

[0015] (2) The utility model limits the size of the guide shaft, realizes the direction function, and has enough structural strength, avoiding deformation caused by being too long and thin.

[0016] (3) The utility model locks and fixes the installation of the hanger shaft body and the installation of the guide shaft through the tensioning mode and the threaded locking mode respectively, and the structure is simple and firm in connection.

[0017] (4) The utility model discloses a spring is arranged at the both ends of linear ball bearing to the both ends of linear ball bearing is continuously axially pressed, avoids the linear ball bearing to be displaced axially and be influenced normal use with long -time use, plays certain shock attenuation effect simultaneously, reduces the noise of reciprocating motion, improves the stability of reciprocating motion. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further detailed, wherein:

[0019] Fig. 1 It is the structural diagram of the utility model;

[0020] Fig. 2 It is the structural explosion diagram of the utility model;

[0021] Fig. 3 It is the assembly structure schematic diagram of hanger shaft body and tension screw.

[0022] The reference numerals in the drawings are:

[0023] Yarn guide bed 1, bottom comb fixed seat 2, guide bar hanger seat 3, guide bar hanger 4, hanger shaft assembly 5, hanger shaft body 5-1, first threaded hole 5-1-1, second threaded hole 5-1-2, annular clamping groove 5-1-3, notch 5-1-4, linear ball bearing 5-2, hanger steel sleeve 5-3, guide joint shaft 6, threaded column 6-1, clamping spring 7, compression spring 8, tension screw 9, tension part 9-1. DETAILED DESCRIPTION

[0024] In order to better understand the above technical solutions, the above technical solutions will be explained in detail in the following in conjunction with the drawings and specific embodiments of the specification.

[0025] (Example 1)

[0026] As Figs. 1 to 3The bottom comb fixing seat and the guide needle bed connecting assembly shown in the figure, including a guide needle bed 1, a plurality of bottom comb fixing seats 2 and a plurality of connecting structures corresponding to the number of bottom comb fixing seats 2, wherein the connecting structure includes a guide bar holder seat 3, a guide bar holder 4 and a hanging shaft assembly 5, the guide bar holder seat 3 is detachably fixed on the guide needle bed 1 along the length direction of the guide needle bed 1, the guide bar holder 4 corresponds to the bottom comb fixing seat 2 one by one and is detachably fixed by screws, and is connected with the guide bar holder seat 3 through the hanging shaft assembly 5. One end of the hanging shaft assembly 5 is installed on the guide bar holder seat 3, and the other end is coaxially provided with a guide joint shaft 6 and penetrates the guide bar holder 4, and the outer circumferential surface of the guide joint shaft 6 converges towards the end away from the hanging shaft assembly 5, forming a frustum. When the guide bar holder seat 3 and the guide bar holder 4 are assembled, better guidance is achieved, and at the beginning of assembly, the tip of the frustum can achieve a larger assembly gap, thereby reducing the requirement for the initial assembly precision of the guide bar holder seat 3 and the guide bar holder 4, thereby simplifying the assembly process and improving the assembly efficiency.

[0027] Specifically, the hanging shaft assembly 5 includes a hanging shaft body 5-1 and a linear ball bearing 5-2 coaxially fixed on the hanging shaft body 5-1, the linear ball bearing 5-2 is slidingly fitted with a hanging bracket steel sleeve 5-3 in a straight line direction, and the guide bar holder 4 is coaxially fixedly sleeved on the outside of the hanging bracket steel sleeve 5-3. The two ends of the hanging shaft body 5-1 are respectively provided with a first threaded hole 5-1-1 and a second threaded hole 5-1-2, and the guide bar holder seat 3 is provided with a mounting hole 3-1; the rear end of the guide joint shaft 6 is provided with a threaded column 6-1, which is screwed into the first threaded hole 5-1-1 to fix the guide joint shaft 6 on the hanging shaft body 5-1; the entrance of the second threaded hole 5-1-2 is provided with an outwardly expanding trumpet mouth, and the outer circumferential surface of the trumpet mouth is provided with a notch 5-1-4; a tensioning screw 9 is fitted in the second threaded hole, and the head end of the tensioning screw is provided with a tensioning part 9-1; when the tensioning screw is tightened, the tensioning part extrudes the trumpet mouth outwardly to tightly fix the end of the hanging shaft body in the mounting hole 3-1. Compared with the traditional structure, the structure is simplified by turning threads on the hanging shaft body 5-1, setting the mounting hole as a matching threaded hole, and finally tightening by threads. The installation of the hanging shaft body 5-1 and the guide joint shaft 6 is locked and fixed by tensioning and thread locking respectively, and the structure is simple and the connection is firm.

[0028] In order to make the relative reciprocating motion of the guide needle bed 1 and the bottom comb fixing seat 2 more stable, the embodiment is provided with an annular clamping groove 5-1-3 at one end of the hanging shaft body 5-1 close to the guide connecting shaft 6, the annular clamping groove 5-1-3 is provided with a clamping spring 7, the clamping spring 7 and the linear ball bearing 5-2 are provided with a compression spring 8 sleeved on the hanging shaft body 5-1, and the comb guide bracket 3 and the linear ball bearing 5-2 are provided with a compression spring 8 sleeved on the hanging shaft body 5-1. By applying continuous axial pressure to both ends of the linear ball bearing 5-2 through the compression spring 8, axial displacement of the linear ball bearing 5-2 caused by long-term use is avoided, normal use is affected, at the same time, a certain damping effect is achieved, noise generated by reciprocating motion is reduced, and the stability of reciprocating motion is improved.

[0029] In order to ensure that the guide connecting shaft 6 can stably play a guiding role, the length of the frustum of the guide connecting shaft 6 is set to 1.5 times the maximum outer diameter of the frustum, so that the guiding function is realized, and sufficient structural strength is also achieved, avoiding deformation caused by being too long and thin.

[0030] The utility model discloses a guide connecting shaft 6 in the shape of a frustum is additionally arranged, when the comb guide bracket 3 and the comb guide bracket 4 are assembled, better guiding property is realized, and at the initial assembly, the tip of the frustum can realize a larger assembly gap, thereby reducing the requirement for the initial assembly precision of the comb guide bracket 3 and the comb guide bracket 4, in actual assembly, the comb guide bracket 4 is preassembled on the guide needle bed 1, and then the whole structure is sleeved on the hanging shaft assembly 5, which makes it possible, changes the traditional assembly mode, simplifies the assembly process, saves labor, and improves the assembly efficiency.

[0031] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only for specific embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A connection structure between a bottom comb fixing seat and a yarn guide needle bed, comprising a comb hanger seat, a comb hanger, and a hanger shaft assembly, characterized in that: One end of the hanging shaft assembly is mounted on the comb hanger seat, and the other end is coaxially provided with a guide shaft that passes through the comb hanger. The outer peripheral surface of the guide shaft converges toward the end away from the hanging shaft assembly to form a truncated cone.

2. The connection structure between the bottom comb fixing seat and the yarn guide needle bed according to claim 1, characterized in that: The length of the frustum is greater than the maximum outer diameter of the frustum.

3. The connection structure between the bottom comb fixing seat and the yarn guide needle bed according to claim 2, characterized in that: The length of the frustum is 1.4 to 1.6 times the maximum outer diameter of the frustum.

4. The connection structure between the bottom comb fixing seat and the yarn guide needle bed according to any one of claims 1 to 3, characterized in that: The hanging shaft assembly includes a hanging shaft body and a linear ball bearing coaxially fixed on the hanging shaft body. The linear ball bearing is slidably fitted with a hanger steel sleeve along its outer linear direction, and the comb hanger is coaxially fixedly sleeved on the outside of the hanger steel sleeve.

5. The connection structure between the bottom comb fixing seat and the yarn guide needle bed according to claim 4, characterized in that: The comb hanger base is provided with mounting holes; one end of the hanger shaft body is fixedly inserted into the mounting hole, and the other end is provided with a first threaded hole; the rear end of the guide shaft is provided with a threaded post, and the threaded post is tightened into the first threaded hole.

6. The connection structure between the bottom comb fixing seat and the yarn guide needle bed according to claim 5, characterized in that: One end of the suspension shaft body is provided with a second threaded hole, and the entrance of the second threaded hole is provided with an outwardly expanding flared mouth. The outer peripheral surface of the flared mouth is provided with a notch. A tensioning screw is fitted inside the second threaded hole. The head end of the tensioning screw is provided with a tensioning part. When the tensioning screw is tightened, the tensioning part squeezes the flared mouth outward, so that the end of the suspension shaft body is tightened and fixed in the mounting hole.

7. The connection structure between the bottom comb fixing seat and the yarn guide needle bed according to claim 5, characterized in that: The hanging shaft body has an annular groove at one end near the guide shaft, and a retaining spring is provided in the annular groove. A compression spring sleeved on the hanging shaft body is provided between the retaining spring and the linear ball bearing, as well as between the comb hanger seat and the linear ball bearing.

8. A bottom comb fixing seat and yarn guide needle bed connecting assembly, characterized in that: It includes a yarn guide needle bed and multiple bottom comb fixing seats. The yarn guide needle bed is provided with multiple connecting structures as described in any one of claims 1 to 7 along its length. The comb hanger seat is detachably fixed to the yarn guide needle bed by screws. The bottom comb fixing seats correspond one-to-one with the comb hangers and are detachably fixed together by screws.

Images