Textile machine and cam beating-up fixing device

Abstract

The utility model discloses a textile machine and cam beating-up fixing device, which comprises a support base, two groups of first support components and a second support component, the two groups of first support components are symmetrically arranged on one side of the support base, and the second support component is arranged on the other side of the support base. The first supporting assembly is provided with a first through hole used for rotatably installing a cam shaft, the second supporting assembly is provided with a second through hole used for rotatably installing a pressing arm, the supporting base is provided with a third through hole used for a roller to penetrate through, and the third through hole is communicated with the second through hole. The first supporting assemblies support the cam shaft, the second supporting assemblies support the pressing arm, the two sets of symmetrically-arranged first supporting assemblies provide more balanced supporting for the cam shaft, asymmetric force caused by single-side supporting is reduced, and therefore the radial run-out and unbalance loading phenomena are reduced. The two groups of first supporting assemblies are also beneficial to dispersing the load and enhancing the stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to cam box technical field, concretely relates to textile machine and cam beating fixing device. BACKGROUND

[0002] As the core equipment of modern textile industry, the motion precision of the rapier transmission mechanism of the rapier loom is directly related to the fabric quality and production efficiency. The cam box, as the power transmission core component of the rapier transmission mechanism, its internal transmission mechanism is usually composed of cam shaft, cam, roller and pressure arm and other components. The cam is fixedly installed on the cam shaft, and the cam is periodically rotated by the rotation of the cam shaft; the roller installed on the pressure arm is driven by the cam contour, so that the pressure arm realizes reciprocating swing or swing motion, and then the power is transmitted to the execution mechanism. In the traditional cam box support scheme, the cam shaft usually adopts single-side cantilever support or asymmetric support structure, which causes the cam shaft to easily produce radial runout and unbalanced load phenomenon when rotating at high speed, aggravates the wear of the shaft and bearing, and causes vibration and noise problems. SUMMARY

[0003] In view of the above technical problems, the utility model provides a kind of textile machine and cam beating fixing device, two groups of first support component symmetrically set provide more balanced support for cam shaft, reduce the asymmetric force brought by single-side support, to reduce radial runout and unbalanced load phenomenon.

[0004] The technical scheme adopted by the utility model is as follows: a cam beating fixing device, comprising a support base, a first support assembly and a second support assembly, the number of the first support assembly is two groups, two groups of first support assembly are symmetrically installed on one side of support base, the second support assembly is installed on the other side of support base, the first support assembly is provided with a first through hole for rotatingly installing cam shaft, the second support assembly is provided with a second through hole for rotatingly installing pressure arm, the support base is provided with a third through hole for the roller to pass through, and the third through hole is communicated with the second through hole.

[0005] Optionally, the first support assembly comprises a first support plate and a second support plate, the first support plate is provided with the first through hole, the second support plate is symmetrically provided on both sides of the first support plate, and the second support plate is fixedly connected with the support base.

[0006] Optionally, the second support plate is a right-angled triangle structure, one right angle edge of the second support plate is fixedly connected with the first support plate, and the other right angle edge of the second support plate extends away from the other group of first support assemblies towards the support base.

[0007] Optionally, the inner peripheral wall of the first through hole is provided with a first ring groove for installing a first bearing, the first ring groove is coaxially arranged with the first through hole, the diameter of the first through hole is greater than the diameter of the inner ring of the first bearing, and the diameter of the first ring groove is less than the diameter of the first through hole.

[0008] Optionally, the connecting plate is connected to one of the first support plates and connected to another first support plate of another first support assembly.

[0009] Optionally, the first support plate is provided with a radial protrusion on a side away from the support base, and the connecting plate is connected to the protrusion by a screw.

[0010] Optionally, the second support assembly comprises a support cylinder and an inclined block arranged on both sides of the support cylinder, the support cylinder is provided with the second through hole, and an axial length of the support cylinder is greater than or equal to a distance between the two first support plates.

[0011] Optionally, the second through hole is provided with a second ring groove for mounting a second bearing at each end, the second through hole is coaxially arranged with the two second ring grooves, a diameter of the second through hole is greater than a diameter of an inner ring of the second bearing and less than a diameter of the second ring groove.

[0012] The utility model discloses still a kind of textile machine, including crossbeam, multiple pressing arms, multiple camshafts and the cam beating-up fixing device described above, the support base both ends are connected with crossbeam respectively, the support base is provided with multiple second support assemblies and multiple first support assemblies arranged in pairs, the camshaft is rotationally cooperated with the first through hole, the pressing arm is rotationally cooperated with the second through hole, the camshaft is coaxially connected with adjacent camshaft by coupling, and the pressing arm is coaxially connected with adjacent pressing arm by coupling.

[0013] The utility model has the advantages that: the first support assembly supports the camshaft, the second support assembly supports the pressing arm, the two first support assemblies arranged symmetrically provide more balanced support for the camshaft, reduce the asymmetric force caused by unilateral support, thereby reducing radial runout and unbalanced load phenomenon. Two first support assemblies also help to disperse load and enhance stability. The cam is rolled with the roller in the second through hole through the third through hole, so that the transmission path between the cam and the pressing arm is more direct, the structure is more compact, and the transmission accuracy is improved. In addition, the second support assembly is separately installed on the other side of the support base, which is conducive to enhancing the support of the pressing arm, improving the overall rigidity and reducing installation alignment error. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The first support assembly of the cam beating-up fixing device is shown in the figure.

[0015] Figure 2 The second support assembly of the cam beating-up fixing device is shown in the figure.

[0016] Figure 3The first support assembly of the cam beating-up fixing device and the cam shaft assembly schematic view of the embodiment of the utility model are provided.

[0017] Figure 4 The second support assembly of the cam beating-up fixing device and the pressing arm assembly schematic view of the embodiment of the utility model are provided.

[0018] Figure 5 The schematic view of the textile machine of the embodiment of the utility model is provided.

[0019] The marks in each drawing are: 1, support base; 11, third through hole; 2, first support assembly; 21, first support plate; 211, first through hole; 212, first ring groove; 213, protruding block; 22, second support plate; 23, connecting plate; 3, second support assembly; 31, support cylinder; 311, second through hole; 312, second ring groove; 32, inclined block; 4, first bearing; 5, cam shaft; 6, cam; 7, roller; 8, pressing arm; 9, second bearing; 10, cross beam. DETAILED DESCRIPTION

[0020] The application will be further described in detail below in combination with the drawings and embodiments.

[0021] As Figures 1 to 4 shown, the embodiment discloses a cam beating-up fixing device, which comprises a support base 1, a first support assembly 2 and a second support assembly 3, the number of the first support assembly 2 is two groups, the two groups of first support assemblies 2 are symmetrically installed on one side of the support base 1, the second support assembly 3 is installed on the other side of the support base 1, the first support assembly 2 is provided with a first through hole 211 for rotatably installing a cam shaft 5, the second support assembly 3 is provided with a second through hole 311 for rotatably installing a pressing arm 8, the support base 1 is provided with a third through hole 11 for the roller 7 to pass through, and the third through hole 11 is communicated with the second through hole 311. The first support assembly 2 supports the cam shaft 5, the second support assembly 3 supports the pressing arm 8, the two groups of symmetrically arranged first support assemblies 2 provide more balanced support for the cam shaft 5, reduce the asymmetric force caused by one-side support, thereby reducing the radial runout and the load imbalance phenomenon. The two groups of first support assemblies 2 also help to disperse the load and enhance the stability. The cam 6 is in rolling fit with the roller 7 located in the second through hole 311 through the third through hole 11, so that the transmission path between the cam 6 and the pressing arm 8 is more direct, the structure is more compact, and the transmission accuracy is improved. In addition, the second support assembly 3 is separately installed on the other side of the support base 1, which is beneficial to enhancing the support of the pressing arm 8, improving the overall rigidity and reducing the installation alignment error. The third through hole axis and the second through hole axis are arranged in space staggered arrangement.

[0022] As Figure 1As shown, the first support assembly 2 includes a first support plate 21 and a second support plate 22, the first support plate 21 is provided with the first through hole 211, and the second support plate 22 is symmetrically arranged on both sides of the first support plate 21 and fixedly connected with the support base 1. The symmetry and support rigidity of the camshaft 5 are enhanced by the two first support plates 21.

[0023] As shown in the drawings, Figure 1 The second support plate 22 is a right-angled triangle structure, one of the right-angled edges of the second support plate 22 is fixedly connected with the first support plate 21, and the other right-angled edge of the second support plate 22 extends away from the support base 1 in the direction away from the other group of first support assemblies 2. The triangular second support plate 22 has a relatively stable support structure.

[0024] As shown in the drawings, Figure 1 The inner wall of the first through hole 211 is provided with a first ring groove 212 for mounting the first bearing 4, the first ring groove 212 is coaxially arranged with the first through hole 211, the diameter of the first through hole 211 is greater than the diameter of the inner ring of the first bearing 4 and less than the diameter of the first ring groove 212. The camshaft 5 is rotatably mounted on the first support plate 21 through the first bearing 4, the first ring groove 212 limits the first bearing 4, and the diameter of the first ring groove 212 is slightly larger than that of the first through hole 211. After the first bearing 4 is installed, the diameter of the inner ring of the first bearing 4 is smaller than that of the first through hole 211, so as to avoid the inner wall of the first through hole 211 interfering with the movement of the camshaft 5.

[0025] In this embodiment, as shown in the drawings, Figure 1 And 3 The connecting plate 23 is further provided, one end of the connecting plate 23 is connected with the first support plate 21, and the other end of the connecting plate 23 is connected with the first support plate 21 of the other group of first support assemblies 2. The connecting plate 23 forms a bridging structure to improve the overall cooperative bearing capacity of the two groups of first support assemblies 2.

[0026] As shown in the drawings, Figure 1 The side of the first support plate 21 away from the support base 1 is provided with a radially extending protrusion 213, and the connecting plate 23 is connected with the protrusion 213 through a screw. The first support plate 21 is provided with the connecting plate 23 on one side, and the support base 1 is provided on the other side, and the connecting plate 23 connects the two first support plates 21, further enhancing the stable support of the first support assembly 2 to the camshaft 5 and preventing the radial jumping of the camshaft 5. The radially extending protrusion 213 avoids the interference of the connecting plate 23 with the cam 6 arranged on the camshaft 5.

[0027] In this embodiment, as shown in the drawings, Figure 2 And 4As shown, the second support assembly 3 comprises a support cylinder 31 and an inclined block 32 arranged on both sides of the support cylinder 31, the support cylinder 31 is provided with the second through hole 311, and the axial length of the support cylinder 31 is greater than or equal to the distance between the two first support plates 21. The support cylinder 31 covers the cam 6 and the roller 7.

[0028] As shown in the drawings, Figure 2 As shown, the second through hole 311 is provided with a second ring groove 312 for mounting the second bearing 9 at both ends, the second through hole 311 is coaxially arranged with the two second ring grooves 312, the diameter of the second through hole 311 is greater than the diameter of the inner ring of the second bearing 9 and less than the diameter of the second ring groove 312. The pressing arm 8 is rotatably mounted on the support cylinder 31 through the two second bearings 9, the second ring groove 312 limits the second bearing 9, and after the second bearing 9 is mounted, the diameter of the inner ring of the second bearing 9 is less than the diameter of the second through hole 311, so as to avoid the inner wall of the second through hole 311 interfering with the movement of the pressing arm 8.

[0029] As shown in the drawings, Figure 5 As shown, the second support assembly 3 comprises a support cylinder 31 and an inclined block 32 arranged on both sides of the support cylinder 31, the support cylinder 31 is provided with the second through hole 311, and the axial length of the support cylinder 31 is greater than or equal to the distance between the two first support plates 21. The support cylinder 31 covers the cam 6 and the roller 7. As shown in the drawings,

[0030] It can be understood that the specific embodiments described above are only used to explain the related utility model, and not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for convenience of description. The multiple technical solutions in the same embodiment and the multiple technical solutions in different embodiments can be arranged and combined to form new technical solutions without contradiction or conflict. Any equivalent structural transformation, direct or indirect application in other related technical fields, is also included in the protection scope of the utility model.

Claims

1. A camming beat-up fixture, characterized by, The application relates to a cam beating-up fixing device, which comprises a support base, a first support assembly and a second support assembly, the first support assembly is provided with a first through hole for rotatingly mounting a cam shaft, the second support assembly is provided with a second through hole for rotatingly mounting a pressing arm, the support base is provided with a third through hole for allowing a roller to pass through, and the third through hole is communicated with the second through hole.

2. The cam beating-up fixture according to claim 1, wherein The first support assembly comprises a first support plate and a second support plate, the first support plate is provided with the first through hole, and the second support plate is symmetrically arranged on two sides of the first support plate and fixedly connected with the support base.

3. The camming beat-up fixture of claim 2 wherein, The second support plate is in a right-angled triangle structure, one right-angled side of the second support plate is fixedly connected with the first support plate, and the other right-angled side of the second support plate extends away from the other first support assembly towards the support base.

4. The camming beat-up fixture of claim 1 wherein, An inner peripheral wall of the first through hole is provided with a first ring groove for mounting a first bearing, the first ring groove is coaxially arranged with the first through hole, the diameter of the first through hole is greater than the diameter of an inner ring of the first bearing and smaller than the diameter of the first ring groove.

5. The camming beat-up fixture of claim 2 wherein, The first support plate is provided with a radially-extending protrusion on a side away from the support base, and the connecting plate is connected with the protrusion through a screw.

6. The camming beat-up fixture of claim 5 wherein, The second support assembly comprises a support cylinder and inclined blocks arranged on two sides of the support cylinder, the support cylinder is provided with the second through hole, and the axial length of the support cylinder is greater than or equal to the distance between the two first support plates.

7. The camming beat-up fixture of claim 2 wherein, Two ends of the second through hole are respectively provided with second ring grooves for mounting second bearings, the second through hole is coaxially arranged with the two second ring grooves, the diameter of the second through hole is greater than the diameter of an inner ring of the second bearing and smaller than the diameter of the second ring groove.

8. The camming beat-up fixture of claim 7 wherein, The application further relates to a loom, which comprises a cross beam, a plurality of pressing arms, a plurality of cam shafts and the cam beating-up fixing device according to any one of claims 1 to 8, two ends of the support base are respectively connected with the cross beam, the support base is provided with a plurality of second support assemblies and a plurality of pairs of first support assemblies, the cam shafts are rotatingly matched with the first through holes, the pressing arms are rotatingly matched with the second through holes, the cam shafts are coaxially connected with adjacent cam shafts through shaft couplings, and the pressing arms are coaxially connected with adjacent pressing arms through shaft couplings.

9. A textile machine characterized in that, ​

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