Unreeling device of warp knitting machine

Abstract

The utility model discloses an unwinding device of a warp knitting machine, which relates to the technical field of warp knitting machines, and is characterized in that one sides, close to each other, of a plurality of supports are respectively and rotatably connected with a support column I and a support column II, two sides of a warp beam are respectively and fixedly connected with a support column III and a support column IV, and the support column III is positioned on one side, close to the support column I, of the warp beam; connecting rods are clamped between the first supporting column and the third supporting column, between the fourth supporting column and the third supporting column and between the fourth supporting column and the second supporting column, springs are fixedly connected to the sides, away from the first supporting column, of the connecting rods, the ends, away from the first supporting column, of the springs abut against the warp beam or the supports, and supporting plates are arranged among the supports. A good supporting effect can be provided through the supporting plate when the warp beam is replaced, the warp beam needing to be replaced can be taken down by pulling the connecting rod, a new warp beam rolls down due to the concave radian and moves to the position needing to be replaced through the balls, then the protruding strips and the first grooves are clamped again, the replacement process is simple and convenient, and more labor is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to warp knitting machine technical field more specifically, it relates to warp knitting machine's unwinding device. BACKGROUND

[0002] Warp knitting machine is a kind of textile machinery for producing warp knitted fabric, it is formed by the simultaneous loop formation on the warp feeding work needle by one or several groups of parallel arranged yarns, and the main components of warp knitting machine include knitting device, guide bar traverse device, unwinding device, pulling winding device and transmission device, warp yarn is decomposed by unwinding device and sent into knitting device to carry out loop formation operation.

[0003] However, the warp beam used by the unwinding device is heavy, so hoisting equipment is often needed to lift the warp beam during the replacement of the warp beam, but the lifted warp beam will shake during movement, and it is difficult to align the fixed point on the unwinding device, so the replacement process is relatively inconvenient.

[0004] Therefore, a new scheme needs to be proposed to solve the problem that the unwinding device of the warp knitting machine is relatively inconvenient when replacing a new warp beam. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an unwinding device for a warp knitting machine, which is more convenient to replace a new warp beam through a new structure.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: an unwinding device for a warp knitting machine, comprising an unwinding device body, the unwinding device body comprises a plurality of supports and a plurality of warp beams, the side of the plurality of supports close to each other is respectively rotatably connected with a support column one and a support column two, the two sides of the warp beam are respectively fixedly connected with a support column three and a support column four, the support column three is located on the side of the warp beam close to the support column one, a connecting rod is clamped between the support column one and the support column three, between the support column four and the support column three, and between the support column four and the support column two, the side of the connecting rod away from the support column one is fixedly connected with a spring, the end of the spring away from the support column one abuts against the warp beam or the support, when the spring is compressed under stress, the connecting rod is separated from the support column one or the support column four, a support plate is arranged between the plurality of supports, the top surface of the support plate is integrally formed with a recess, the recess is located directly below the plurality of warp beams, and a plurality of balls are arranged on the inner wall of the recess.

[0007] The utility model further sets up: the connecting rod is internally hollow, the distance between support post no.

[0008] The utility model further sets up: the diameter of support post no.

[0009] The utility model further sets up: the concave of the arc with the same arc of warp beam, the width both ends fixed connection of support board has connecting plate, the length both sides of connecting plate integrative forming has rack.

[0010] The utility model further sets up: the side of mutual approach of a plurality of described support rotates and is connected with a plurality of rotating shafts, a plurality of rotating shafts are arrayed and set up in the length both sides of connecting plate along the width direction of support, the end fixed connection of rotating shaft away from support has gear, gear and rack are mutually engaged.

[0011] The utility model further sets up: the side of mutual approach of a plurality of described support rotates and is connected with a plurality of rotating shafts, a plurality of rotating shafts are arrayed and set up in the length both sides of connecting plate along the width direction of support, the end fixed connection of rotating shaft away from support has gear, gear and rack are mutually engaged.

[0012] The utility model has following beneficial effect: through the concave on support board and a plurality of warp beam when the mutual abutment can provide good support effect, after pulling connecting rod and making convex strip from recess one separates, can take down the warp beam of needing replacement, places new warp beam on support board, and new warp beam will be rolled down by the arc of concave and moves to the position of needing replacement through a plurality of ball, pulls connecting rod again to make convex strip align recess one after again, cancels the pulling force of making, makes the elastic force of convex strip when being compressed by spring drive and recess one mutually clamped after, completes the replacement of warp beam, and the replacement process is simple and convenient, is more laborsaving. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the structural schematic drawing of the utility model;

[0014] Figure 2 It is Figure 1 The enlarged view of A in the middle

[0015] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0016] Figure 4 This is a cross-sectional view of the present invention;

[0017] Figure 5 This is an exploded view of the present invention;

[0018] Figure 6 for Figure 5 A magnified view of point C in the middle.

[0019] In the diagram: 1. Unwinding device body; 2. Support; 3. Warp beam; 4. Support column one; 5. Support column two; 6. Support column three; 7. Support column four; 8. Connecting rod; 9. Spring; 10. Support plate; 11. Recess; 12. Ball bearing; 13. Raised bar; 14. Groove one; 15. Groove two; 16. Connecting plate; 17. Rack; 18. Rotating shaft; 19. Gear; 20. Drive motor one; 21. Drive motor two; 22. Reinforcing rod; 23. Base plate; 24. Cover plate. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0021] Example: The unwinding device of a warp knitting machine, such as Figures 1-3 As shown, the device includes an unwinding device body 1, which includes two supports 2 and several warp beams 3. Warp yarns are wound on the warp beams 3. When the warp beams 3 rotate, they convey the warp yarns. A support column 4 and a support column 5 are rotatably connected to the side of the two supports 2 that are close to each other. A support column 6 and a support column 7 are fixedly connected to both sides of the warp beams 3. The diameters of the support columns 1, 2, 5, 3, 6, and 4 are the same and their rotation axes are on the same straight line. The support column 3 is located on the side of the warp beam 3 that is close to the support column 4. A connecting rod 8 is engaged between the support columns 1 and 3, between the support columns 4 and 3, and between the support columns 4 and 2. The connecting rod 8 is hollow inside and has the same inner diameter as the diameter of the support column 4. The lengths of the support columns 1, 2, 5, 3, 6, and 4 are the same. The distances between the support columns 1 and 3, 4 and 7, and between the support columns 4 and 2 are all less than the length of the connecting rod 8.

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 6As shown, the inner wall of the connecting rod 8 is provided with a plurality of long strip-shaped protrusions 13, the circumferential wall of the first support 4 and the fourth support 7 is provided with a plurality of circumferentially arranged grooves 14, the circumferential wall of the second support 5 and the third support 6 is provided with a plurality of circumferentially arranged grooves 15, the cross-sectional shape of the protrusions 13, the grooves 14 and the grooves 15 is the same, the two ends of the protrusions 13 are respectively clamped in the grooves 14 and the grooves 15, so that the plurality of warp beams 3 are connected between the two supports 2 through the first support 4, the second support 5, the plurality of third supports 6 and the plurality of fourth supports 7, and the support 2 close to the first support 4 is provided with a driving motor 21 away from the warp beam 3, the driving motor 21 is fixedly connected with the first support 4, so that the driving motor 21 can drive the first support 4 to rotate when the driving motor 21 rotates, and the first support 4 can drive the plurality of third supports 6, the plurality of fourth supports 7 and the second support 5 to rotate when the first support 4 rotates, the driving motor 21 is a direct current motor, and the direct current motor has good speed regulation, so that the rotation speed of the warp beam 3 can be adjusted according to the weaving speed of the warp knitting machine, thereby ensuring the yarn feeding effect of the unwinding device body 1.

[0023] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 6 , the connecting rod 8 is fixedly connected with a spring 9 away from the first support 4, the inner diameter of the spring 9 is greater than the diameter of the second support 5, one end of the spring 9 away from the first support 4 abuts against the warp beam 3 or the support 2, the grooves 14 are located on the side of the first support 4 and the plurality of fourth supports 7 close to the connecting rod 8, the length of the first support 4 is greater than the length of the grooves 14, the protrusions 13 abut against the end of the grooves 14 away from the spring 9 under the resilience of the spring 9 when the protrusions 13 are compressed, thereby ensuring the strength of the connection between the connecting rod 8 and the first support 4, the second support 5, the third support 6 or the fourth support 7, the length of the grooves 15 is the same as the length of the second support 5, and the maximum compression distance of the spring 9 is greater than the length of the grooves 14, the spring 9 is compressed when the connecting rod 8 is subjected to a pulling force away from the first support 4 or the fourth support 7, and the protrusions 13 move in the grooves 15 in the direction close to the spring 9, and the connecting rod 8 is separated from the first support 4 or the fourth support 7 when the protrusions 13 move away from the grooves 14, so that the required warp beam 3 can be simply and conveniently removed from the unwinding device body 1.

[0024] As shown in Figures 1-3As shown, a support plate 10 is arranged between the two supports 2, the top surface of the support plate 10 is integrally formed with an arc-shaped recess 11, the length of the recess 11 is the same as the length of the support plate 10, the recess 11 is located directly below the plurality of warp beams 3, the width of the support plate 10 is fixedly connected with a rectangular connecting plate 16 at both ends, the connecting plate 16 is integrally formed with a rack 17 at both sides of the length, the side of the two supports 2 close to each other is rotatably connected with two rotating shafts 18, the four rotating shafts 18 are arranged along the width direction of the support 2 at both sides of the length of the connecting plate 16, the end of the rotating shaft 18 away from the support 2 is fixedly connected with a gear 19, the gear 19 is meshed with the rack 17, and the stability of the support plate 10 during movement is ensured by the meshing of the four gears 19 with the four racks 17.

[0025] As shown in Figures 1-5 The side of any support 2 away from the warp beam 3 is provided with a driving motor 20, the driving motor 20 is fixedly connected with any rotating shaft 18, the driving motor 20 is a servo motor and can reciprocating rotate, when the driving motor 20 rotates, the four gears 19 are meshed with the four racks 17 respectively, which can drive the support plate 10 to reciprocating move along the length direction of the support 2, when the support plate 10 moves to the position where the recess 11 abuts against the plurality of warp beams 3, good support effect can be provided, so that the warp beam 3 does not need to be manually lifted during replacement, which is more labor-saving and reduces safety hazards, the warp beam 3, the connecting plate 16, the support column 4, the support column 5, the support column 6 and the support column 7 are all made of aluminum alloy material, the high-strength characteristics of the aluminum alloy material ensure the structural strength while reducing the pressure on the support plate 10 during support, the two supports 2 and the two connecting plates 16 are both provided with circular through grooves, the through grooves on the supports 2 and the connecting plates 16 close to each other are detachably connected with a cylindrical reinforcing rod 22, the reinforcing rod 22 is made of aluminum alloy material, the carrying capacity of the support plate 10 is improved by the reinforcing rod 22, which avoids the downward movement of the support plate 10 due to large pressure.

[0026] As shown in Figures 1-6As shown, the curvature of the recess 11 is the same as that of the warp beam 3, the inner wall of the recess 11 is provided with a plurality of balls 12, the support plate 10 comprises a bottom plate 23 and a cover plate 24, the bottom plate 23 is provided with a plurality of arrayed arc-shaped rolling grooves, the cover plate 24 is provided with a plurality of circular through holes for the top of the plurality of balls 12 to pass out, the plurality of balls 12 are placed in the rolling grooves, and then the cover plate 24 and the bottom plate 23 are welded and fixed, the diameter of the through hole is smaller than the diameter of the ball 12, so as to avoid the ball 12 from falling out of the support plate 10, when the new warp beam 3 is placed on the support plate 10, the new warp beam 3 will roll down due to the curvature of the recess 11, so that the rotation axis of the new warp beam 3 is on the same straight line as the rotation axes of the remaining warp beams 3, and the plurality of balls 12 can move the new warp beam 3 along the length direction of the support plate 10 by using a smaller force, when the new warp beam 3 is moved to the position to be replaced, the pulling force is released after the connecting rod 8 is pulled again to align the convex strip 13 with the groove one 14, so that the elastic force generated when the convex strip 13 is compressed by the spring 9 drives the mutual clamping of the convex strip 13 and the groove one 14 to complete the replacement of the warp beam 3, and the replacement process is simple and convenient, and more labor-saving.

[0027] Working principle: when the warp beam 3 needs to be replaced, the support plate 10 is driven by the driving motor one 20 to move upward to abut against the plurality of warp beams 3 in the recess 11, and the reinforcing rod 22 is inserted into the plurality of through grooves, the support plate 10 supports the plurality of warp beams 3, after the convex strip 13 is separated from the groove one 14 by pulling the connecting rod 8, the warp beam 3 to be replaced can be removed, the new warp beam 3 is placed on the support plate 10, the new warp beam 3 will roll down due to the curvature of the recess 11, so that the rotation axis of the new warp beam 3 is on the same straight line as the rotation axes of the remaining warp beams 3, when the new warp beam 3 is moved along the length direction of the support plate 10, the plurality of balls 12 reduce the applied pushing force, when the new warp beam 3 is moved to the position to be replaced, the pulling force is released after the connecting rod 8 is pulled again to align the convex strip 13 with the groove one 14, at this time, the elastic force generated when the convex strip 13 is compressed by the spring 9 drives the mutual clamping of the convex strip 13 and the groove one 14 to complete the replacement of the warp beam 3, and the support plate 10 is separated from the plurality of warp beams 3 after moving downward again by the driving motor one 20.

[0028] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solutions falling within the idea of the present application belong to the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the present application are also regarded as the protection scope of the present application.

Claims

1. A warp knitting machine's unwinding device comprising an unwinding device body (1) comprising several holders (2) and several warp beams (3), characterized in that: If several described support (2) close to each other side are respectively connected with the column one (4) and the column two (5) rotate, the warp beam (3) both sides are respectively fixedly connected with the column three (6) and the column four (7), the column three (6) is located in the warp beam (3) close to the column one (4) one side, the column one (4) and the column three (6) between, the column four (7) and the column three (6) between and the column four (7) and the column two (5) between are all connected with the connecting rod (8), the connecting rod (8) far from the column one (4) one side is fixedly connected with the spring (9), the spring (9) far from the column one (4) one end and the warp beam (3) or the support (2) are opposite, when the spring (9) is forced compression, the connecting rod (8) is separated from the column one (4) or the column four (7), several described support (2) between be equipped with the support plate (10), the top surface of support plate (10) integrally formed recess (11), the recess (11) is located in several warp beam (3) directly below, the inner wall of recess (11) is provided with several ball (12) array.

2. The unwinding device of the warp knitting machine according to claim 1, characterized in that: The connecting rod (8) is internally hollow, the distance between the column one (4) and the column three (6), the column four (7) and the column three (6), the column four (7) and the column two (5) is less than the length of the connecting rod (8), the inner wall of the connecting rod (8) is circumferentially provided with a plurality of convex strips (13), the peripheral wall of the column one (4), the column four (7) is provided with a plurality of circumferentially arranged grooves (14), the peripheral wall of the column two (5), the column three (6) is provided with a plurality of circumferentially arranged grooves (15), the both ends of the convex strip (13) are respectively clamped in the groove (14) and the groove (15).

3. The unwinding device of the warp knitting machine according to claim 2, characterized in that: The diameter of the column two (5), the column three (6) is the same and less than the inner diameter of the spring (9), the length of the column one (4), the column four (7) is the same and greater than the length of the groove (14), the convex strip (13) is driven to abut against the one end of the groove (14) away from the spring (9) when the spring (9) is compressed, the length of the groove (15) is the same as the length of the column two (5), the column three (6), the maximum compression distance of the spring (9) is greater than the length of the groove (14).

4. The unwinding device of the warp knitting machine according to claim 3, characterized in that: The curvature of the recess (11) is the same as the curvature of the warp beam (3), the width of the support plate (10) is fixedly connected with the connecting plate (16) at both ends, the length of the connecting plate (16) is integrally formed with a rack (17) at both sides.

5. The unwinding device of the warp knitting machine according to claim 4, characterized in that: Several described support (2) close to each other side are rotatably connected with several rotating shafts (18), several rotating shafts (18) are arrayed on both sides of the length of the connecting plate (16) along the width direction of the support (2), the end of the rotating shaft (18) away from the support (2) is fixedly connected with a gear (19), the gear (19) is engaged with the rack (17).

6. The unwinding device of the warp knitting machine according to claim 5, characterized in that: The support (2) far from the warp beam (3) side is provided with a drive motor I (20), the drive motor I (20) at least drives a rotating shaft (18) to rotate, the support (2) close to the support column I (4) side far from the warp beam (3) is provided with a drive motor II (21), and the drive motor II (21) drives the support column I (4) to rotate.

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