CN214882521U

CN214882521U - Cutter fixing structure for cutter shaft of fabric cutting machine

Info

Publication number: CN214882521U
Application number: CN202120847895.8U
Authority: CN
Inventors: 廖莉莉; 左武玮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-26
Anticipated expiration: 2031-04-23

Abstract

The utility model provides a solid sword structure for fabric cutting machine cutter axle, includes axle sleeve, slider and coupling assembling, the axle sleeve slip cover is established outside the slider, the slider has first end and second end, the first end of slider is solid sword end for with cut-off knife fixed connection, by the second end of slider is equipped with the appearance chamber to the slider is inside along the axial, coupling assembling includes the revolving axle, overlaps in proper order along the axial of revolving axle and locates revolving epaxial first thrust ball bearing and second thrust ball bearing to and be located the locating part of the first end of revolving axle, coupling assembling locates along the axial the appearance intracavity, just the second end of revolving axle is used for vertical actuating mechanism's connection. The utility model has the advantages of the structure is simpler, the processing requirement is lower, the processing cost is also lower, can more the vertical motion of lug connection eccentric wheel structure drive.

Description

Cutter fixing structure for cutter shaft of fabric cutting machine

Technical Field

The utility model relates to a solid sword structure field of cut-off knife especially relates to a solid sword structure for cloth cutting machine cutter axle.

Background

Chinese patent document CN 104191459B discloses an automatic cutting bed knife fixing structure, which has the following specific structure: comprises a cutter fixing rod and a cutter fixing rod sleeve. One end of the cutter fixing rod is a cutter fixing end fixedly connected with the cutter, the other end of the cutter fixing rod is a vertical connecting end connected with the vertical driving mechanism, and a transmission body is arranged between the two ends. The transmission body is provided with a polygonal cross section, a plurality of unloading holes are formed in the side wall, and the unloading holes are communicated through oil holes. The cutter fixing rod sleeve is sleeved outside the cutter fixing rod and comprises a transmission part and a connecting part fixedly connected with the rotary driving mechanism. The transmission part is internally provided with a guide hole which is communicated along the axial direction, the transmission body penetrates through the guide hole, and the guide hole is matched with the cross section shape of the transmission body of the fixed cutter rod. The cutter fixing structure can ensure that the cutter fixing rod fixed with the cutter stably moves up and down at a high speed in the cutter fixing rod sleeve, drives the cutter fixing rod to rotate through the cutter fixing rod sleeve, can lubricate and cool the cutter fixing rod and the cutter fixing rod sleeve simultaneously, is simple in structure, can improve the durability and reliability of various parts, and improves the production efficiency of the automatic cutting bed.

The automatic cutting bed fixed cutter structure in the prior art has the following defects: firstly, a plurality of oil holes and oil grooves are formed in the transmission body with the structure, lubricating oil is used for lubricating and cooling between the cutter fixing rod and the cutter fixing rod sleeve, and a spiral oil storage groove is formed in the cutter fixing rod sleeve, so that the design structure is complex, the processing requirement is high, and the processing cost is higher; secondly, the vertical connecting end of the cutter fixing structure is connected with a vertical power through an eccentric wheel, so that the cutter is driven to move up and down, and the efficiency is higher; however, when the fixed cutter structure of the structure in the prior art rotates, the fixed cutter rod sleeve drives the vertical connecting ends of the fixed cutter rod and the fixed cutter rod to rotate together, so that the vertical connecting ends cannot be directly connected with the eccentric wheel structure to work, and the fixed cutter structure needs to be driven to move through a more complex structure, and has the advantages of multiple parts, complex structure and low efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses to the society provide a structure is simpler, the processing requirement is lower, the processing cost is also lower, can more lug connection eccentric wheel structure drive vertical motion be used for the stationary knife structure of fabric cutting machine cutter axle.

The technical scheme of the utility model is that: the utility model provides a solid sword structure for fabric cutting machine cutter axle, includes axle sleeve, slider and coupling assembling, the axle sleeve slip cover is established outside the slider, the slider has first end and second end, the first end of slider is solid sword end for with cut-off knife fixed connection, by the second end of slider is equipped with the appearance chamber to the slider is inside along the axial, coupling assembling includes the revolving axle, overlaps in proper order along the axial of revolving axle and locates revolving epaxial first thrust ball bearing and second thrust ball bearing to and be located the locating part of the first end of revolving axle, coupling assembling locates along the axial the appearance intracavity, just the second end of revolving axle is used for vertical actuating mechanism's connection.

As the utility model discloses an improvement, the slider includes half first slider and half slider of second, half first slider is equipped with half first appearance chamber, half slider of second is equipped with half second appearance chamber, half first slider and half slider of second are detachable installation as an organic whole, half first appearance chamber and half second appearance chamber constitute hold the chamber.

As the utility model discloses an improvement, the surface of first half slider is equipped with first oil groove, the surface of second half slider is equipped with the second oil groove, first oil groove and second oil groove correspond to match and constitute closed oil groove.

As the improvement of the utility model, still include the gasket, the external diameter of gasket is greater than the external diameter of revolving axle, the gasket is located between locating part and the second thrust ball bearing.

As an improvement of the present invention, the locating part is a fastener.

As an improvement of the utility model, the first end of the slider is provided with a cutter fixing screw hole for fixing the cutter.

As an improvement of the utility model, the utility model also comprises a cut-off knife which is fixed on the knife fixing screw hole at the first end of the slider.

As an improvement of the utility model, the utility model also comprises a pull rod, and the pull rod is connected with the second end of the revolving shaft.

As an improvement of the utility model, the material of the shaft sleeve is copper.

As the improvement of the utility model, the material of the sliding block and the revolving shaft is alloy steel.

The utility model discloses because be equipped with axle sleeve, slider and coupling assembling of perforating hole including the axial, the slider penetrates the perforating hole setting of axle sleeve, the slider has first end and second end, the first end of slider is solid sword end for with cut-off knife fixed connection, by the second end of slider is equipped with the appearance chamber to the slider is inside along the axial, coupling assembling includes the revolving axle, overlaps in proper order along the axial of revolving axle and locates revolving epaxial first thrust ball bearing and second thrust ball bearing to and be located the locating part of the first end of revolving axle, coupling assembling locates along the axial the appearance intracavity, just the second end of revolving axle is used for vertical actuating mechanism's connection. The utility model discloses when using, vertical actuating mechanism includes eccentric wheel structure and power supply, thereby power supply drive eccentric wheel structure drives the revolving axle drives slider up-and-down motion along vertical direction up-and-down motion to the up-and-down motion of cut-off knife on the slider is fixed in the drive, and the cut-off knife realizes cutting of vertical direction. The rotation driving mechanism drives the shaft sleeve to rotate, and because slider and shaft sleeve are mutually matched and installed, therefore the shaft sleeve drives the slider to rotate together, at this moment because first thrust ball bearing and second thrust ball bearing's existence, shaft sleeve and slider are then rotatory around the gyration axle simultaneously, and the gyration axle irrotational this moment, the utility model discloses a second end of gyration axle can the work of lug connection eccentric wheel structure, and the structure is simpler, and spare part still less, and efficiency is higher. Furthermore, the utility model discloses a structure is simpler, and the processing requirement is lower, and the processing cost is also lower, the utility model discloses applied first thrust ball bearing and second thrust ball bearing's structure, rotated more in a flexible way, overcome the dust of hard reconnaissance production.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a perspective view of fig. 1 after it is completely exploded.

Fig. 3 is a plan view of fig. 2 assembled.

Fig. 4 is a sectional view taken along a-a of fig. 3.

Fig. 5 is an enlarged schematic view of B in fig. 4.

Fig. 6 is a plan view of another perspective of fig. 3.

Fig. 7 is a sectional view taken along the direction C-C of fig. 6.

Fig. 8 is a perspective view of the slider of fig. 7.

Fig. 9 is a plan view of fig. 8.

Fig. 10 is a cross-sectional view taken along the direction D-D of fig. 9.

Detailed Description

Referring to fig. 1 to 7, fig. 1 to 7 disclose a first embodiment of a knife fixing structure for a cutter shaft of a fabric cutting machine, which includes a shaft sleeve 1, a slider 2 and a connecting assembly 3, wherein the shaft sleeve 1 is axially provided with a through hole 110 penetrating through the shaft sleeve 1, the slider 2 is axially shaped to match the through hole 110, in this embodiment, specifically, the slider 2 is rectangular, the through hole 110 is a square hole corresponding to the through hole 110, the slider 2 is inserted into the through hole 110 of the shaft sleeve 1, the slider 2 is axially slidable in the shaft sleeve 1 relative to the shaft sleeve 1, the slider 2 has a first end and a second end, the first end of the slider 2 is a knife fixing end for fixedly connecting with a cutter 4, a cavity 20 is axially arranged from the second end of the slider 2 to the inside of the slider 2, the connecting assembly 3 includes a rotating shaft 30, a first thrust ball bearing 31 and a second thrust ball bearing 32 sequentially sleeved on the rotating shaft 30 along an axial direction of the rotating shaft 30, and a limiting member 33 located at a first end of the rotating shaft 30 for limiting a position of the rotating shaft 30, wherein in this embodiment, the limiting member 33 is a fastening member. The connecting assembly 3 is axially arranged in the accommodating cavity 20, and the second end of the rotating shaft 30 is used for connecting a vertical driving mechanism, when the utility model is used, the cutter fixing structure is vertically arranged, the second end of the sliding block 2 is positioned above, and the second end of the rotating shaft 30 is positioned above and connected with the vertical driving mechanism; the first end of the sliding block 2, namely the cutter fixing end, is positioned below, so that the cutter 3 can be effectively prevented from moving relative to the cutter fixing rod 1. The high-speed motion of the cut-off knife 4 is mainly high-speed up-and-down motion, the vertical driving mechanism drives the rotating shaft 30, in this embodiment, the vertical driving mechanism includes an eccentric wheel structure and a power source (not visible in the figure), the eccentric wheel structure is connected with the rotating shaft 30, the power source drives the rotating shaft 30 to move along the vertical direction by driving the eccentric wheel structure, the rotating shaft 30 drives the sliding block 2 to move up and down, so as to drive the up-and-down motion of the cut-off knife 4 fixed on the sliding block 2, and the cut-off knife 4 realizes the cutting in the vertical direction. The rotation driving mechanism drives the shaft sleeve 1 to rotate, because slider 2 and shaft sleeve 1 match the installation each other, therefore shaft sleeve 1 drives slider 2 together rotatory, at this moment because first thrust ball bearing 31 and second thrust ball bearing 32's existence, shaft sleeve 1 and slider 2 are then rotatory around revolving shaft 30 simultaneously, revolving shaft 30 irrotational this moment, the utility model discloses a revolving shaft 30's second end can the work of lug connection eccentric wheel structure, and the structure is simpler, and spare part still less, and efficiency is higher. Furthermore, the utility model discloses a structure is simpler, and the processing requirement is lower, and the processing cost is also lower, the utility model discloses applied first thrust ball bearing 31 and second thrust ball bearing 32's structure, rotated more in a flexible way, overcome the dust that the hard mill was surveyed and is produced.

In this embodiment, as shown in the drawing, the split type sliding block 2 includes a first half sliding block 21 and a second half sliding block 22, the first half sliding block 21 is provided with a first half cavity 210, the second half sliding block 22 is provided with a second half cavity 220, and the first half sliding block 21 and the second half sliding block 22 are detachably mounted as a whole, so that the first half cavity 210 and the second half cavity 220 form the cavity 20. The surface of first half slider 21 is equipped with first oil groove 211, the surface of second half slider 22 is equipped with second oil groove 221, first oil groove 211 and second oil groove 221 correspond to match and constitute closed oil groove, closed oil groove is used for the lubricating oil lubrication.

The utility model discloses in, it is preferred, still include gasket 5, the external diameter of gasket 5 is greater than the external diameter of revolving axle 30, gasket 5 is located between locating part 33 and the second thrust ball bearing 32.

The utility model discloses in, it is preferred, the first end of slider 2 is equipped with the solid sword screw 24 that is used for fixed cut-off knife 4. The cutting device is characterized by further comprising a cutter 4, wherein a cutter screw hole 41 is formed in the cutter 4, and the cutter 4 is fixed on a cutter fixing screw hole 24 at the first end of the sliding block 2 through a cutter fixing screw.

The utility model discloses in, under the condition that revolving axle 30 was done not long enough, can still include pull rod 7, the lower extreme of pull rod 7 is equipped with pull rod screw 71, the lower extreme of pull rod 7 pass through the pull rod screw with revolving axle 30's second end is connected, the upper end of pull rod 7 is used for being connected with eccentric wheel structure.

The utility model discloses in, it is preferred, the material of axle sleeve 1 is copper. The sliding block 2 and the rotating shaft 30 are made of alloy steel, and the matching of the materials has better self-lubricating property and longer service life.

Claims

1. The utility model provides a gu sword structure for fabric cutting machine cutter axle which characterized in that: comprises a shaft sleeve (1) which is axially provided with a through hole (110), a slide block (2) and a connecting component (3), the slide block (2) penetrates through the through hole (110) of the shaft sleeve (1), the slide block (2) is provided with a first end and a second end, the first end of the slide block (2) is a cutter fixing end, is used for being fixedly connected with the cut-off knife (4), a cavity (20) is arranged from the second end of the sliding block (2) to the inside of the sliding block (2) along the axial direction, the connecting component (3) comprises a rotating shaft (30), a first thrust ball bearing (31) and a second thrust ball bearing (32) which are sequentially sleeved on the rotating shaft (30) along the axial direction of the rotating shaft (30), and the limiting part (33) is positioned at the first end of the rotating shaft (30), the connecting component (3) is axially arranged in the cavity (20), and the second end of the rotating shaft (30) is used for connecting a vertical driving mechanism.

2. The knife fixing structure for the cutter shaft of the fabric cutting machine according to claim 1, characterized in that: slider (2) include half first slider (21) and half second slider (22), half first slider (21) are equipped with half first appearance chamber (210), half second slider (22) are equipped with half second appearance chamber (220), half first slider (21) and half second slider (22) are detachable installation as an organic whole, half first appearance chamber (210) and half second appearance chamber (220) constitute hold chamber (20).

3. The knife fixing structure for the cutter shaft of the fabric cutting machine according to claim 2, characterized in that: the surface of first half slider (21) is equipped with first oil groove (211), the surface of second half slider (22) is equipped with second oil groove (221), first oil groove (211) and second oil groove (221) correspond the matching and constitute closed oil groove.

4. The blade fixing structure for the cutter shaft of the fabric cutting machine according to claim 1, 2 or 3, wherein: the bearing further comprises a gasket (5), the outer diameter of the gasket (5) is larger than that of the rotating shaft (30), and the gasket (5) is located between the limiting piece (33) and the second thrust ball bearing (32).

5. The blade fixing structure for the cutter shaft of the fabric cutting machine according to claim 1, 2 or 3, wherein: the stop member (33) is a fastener.

6. The blade fixing structure for the cutter shaft of the fabric cutting machine according to claim 1, 2 or 3, wherein: and a cutter fixing screw hole (24) for fixing the cutter (4) is formed in the first end of the sliding block (2).

7. The knife fixing structure for the cutter shaft of the fabric cutting machine according to claim 6, wherein: the cutting device is characterized by further comprising a cutter (4), wherein the cutter (4) is fixed on a cutter fixing screw hole (24) at the first end of the sliding block (2).

8. The blade fixing structure for the cutter shaft of the fabric cutting machine according to claim 1, 2 or 3, wherein: the vertical type vertical driving mechanism is characterized by further comprising a pull rod (6), wherein one end of the pull rod (6) is connected with the second end of the rotating shaft (30), and the other end of the pull rod is used for being connected with a vertical driving mechanism.

9. The blade fixing structure for the cutter shaft of the fabric cutting machine according to claim 1, 2 or 3, wherein: the shaft sleeve (1) is made of copper.

10. The blade fixing structure for the cutter shaft of the fabric cutting machine according to claim 1, 2 or 3, wherein: the sliding block (2) and the rotating shaft (30) are made of alloy steel.