Mechanical expansion shaft roller for fixing packaging film through hand wheel

Abstract

According to the mechanical expansion shaft roller for fixing the packaging film through the hand wheel, a packaging raw material film roller to be used is arranged on the mechanical expansion shaft roller in a sleeving mode, then the mechanical expansion shaft hand wheel is rotated clockwise, an expansion key body is made to move towards the outer side along the axis, the inner wall of the raw material film roller is expanded and fixed, and then the mechanical expansion shaft roller can be used; and the expansion key body can be taken down and replaced by moving and withdrawing towards the inner side along the axis. And if the inner diameter of the roller is too large, the cushion block can be fixed by using the standby cushion block screw hole in the expansion key body so as to enlarge the application range of the mechanical expansion shaft roller. The expansion key body can be controlled to stretch out and draw back through rotation of the mechanical expansion shaft hand wheel, and therefore the film roller can be fixed or unloaded. The roller fastening device has the characteristics that the roller can be fastened or unloaded without using other power, the manufacturing cost is reduced, the operation is convenient, and the use cost on some small equipment is lower.

Description

TECHNICAL FIELD

[0001] The utility model discloses a part of fixed feed film roller in food processing machinery. BACKGROUND

[0002] At present, the similar products on the market mostly use pneumatic power or electric power to drive the roller for fixing the film. In actual use, a set of pneumatic or electric control and power system needs to be provided for the fixed shaft, which is high in cost and low in use frequency. Generally, a film roller can be used for several hours without frequent replacement. Therefore, we have developed a mechanical expanding shaft roller for fixing packaging film by hand wheel. SUMMARY

[0003] In order to overcome the above problems, the utility model provides a kind of mechanical expanding shaft roller for fixing packaging film by hand wheel, it is characterized by structure includes mechanical expanding shaft roller, expanding screw shaft, screw shaft sleeve, expanding key body, mechanical expanding shaft hand wheel, expansion sleeve end cover, positioning sleeve, fixed sleeve, disc spring, expanding key top sleeve, adjusting sleeve, spring sheet, expanding sleeve, adjusting sleeve limiting bolt, adjusting sleeve limiting groove, expanding key body slot, spare gasket screw hole, adjusting sleeve limiting groove is provided on the mechanical expanding shaft roller;Expanding screw shaft is set in the cavity of mechanical expanding shaft roller by screw shaft sleeve and expanding sleeve;Mechanical expanding shaft hand wheel is fixed on the outer end of expanding screw shaft;Positioning sleeve is fixed on expanding screw shaft;Expanding key top sleeve is respectively covered on adjusting sleeve and fixed sleeve;Disc spring is respectively covered on adjusting sleeve and fixed sleeve;The both ends of disc spring are respectively connected with expanding key top sleeve and fixed sleeve and adjusting sleeve and expanding key top sleeve;Expanding screw shaft and adjusting sleeve form screw rod structure;Spring sheet is mounted on expanding key body;Spare gasket screw hole is provided on expanding key body;Expanding key body slot is provided on the mechanical expanding shaft roller;Expanding key body is loaded into expanding key body slot;Expansion sleeve end cover is fixed on the side wall of equipment;Adjusting sleeve limiting bolt is fixed on adjusting sleeve. ADVANTAGEOUS EFFECTS

[0004] Compared with prior art, the mechanical expanding shaft roller for fixing packaging film by hand wheel can complete the fastening or unloading of the roller without using other power, reduces manufacturing cost, facilitates operation, and is lower in use cost on some small equipment. BRIEF DESCRIPTION OF DRAWINGS

[0005] Figure 1 It is a perspective view of the utility model;

[0006] Figure 2 It is Figure 1 It is a sectional view in A-A direction in figure 1;

[0007] Figure 3 It is Figure 2 It is a sectional view when 4 is convex in figure 1;

[0008] Figure 4 For Figure 2 a perspective view of the middle 12;

[0009] Figure 5 For Figure 2 a perspective view of the middle 11;

[0010] Figure 6 For Figure 2 a perspective view of the middle 10;

[0011] Figure 7 For Figure 2 a combined state diagram of the middle 4 and 12;

[0012] In the figure, 1. Mechanical expansion shaft roller 2. Expansion screw shaft 3. Screw shaft sleeve 4. Expansion key body 5. Mechanical expansion shaft hand wheel 6. Expansion sleeve end cover 7. Positioning sleeve 8. Fixed sleeve 9. Disc spring 10. Expansion key top sleeve 11. Adjusting sleeve 12. Spring plate 13. Expansion sleeve 14. Adjusting sleeve limiting bolt 15. Adjusting sleeve limiting groove 16. Expansion key body groove 17. Backup gasket screw hole. DETAILED DESCRIPTION

[0013] The adjusting sleeve limiting groove 15 is arranged on the mechanical expansion shaft roller 1, the expansion screw shaft 2 is arranged in the cavity of the mechanical expansion shaft roller 1 through the screw shaft sleeve 3 and the expansion sleeve 13, the mechanical expansion shaft hand wheel 5 is fixed on the outer end of the expansion screw shaft 2, the positioning sleeve 7 is fixed on the expansion screw shaft 2, the expansion key top sleeve 10 is respectively sleeved on the adjusting sleeve 11 and the fixed sleeve 8, and the disc spring 9 is respectively sleeved on the adjusting sleeve 11 and the fixed sleeve 8. The two ends of the disc spring 9 are respectively connected with the expansion key top sleeve 10 and the fixed sleeve 8 and the adjusting sleeve 11 and the expansion key top sleeve 10, the expansion screw shaft 2 and the adjusting sleeve 11 form a screw structure, the spring plate 12 is arranged on the expansion key body 4, the backup gasket screw hole 17 is arranged on the expansion key body 4, the expansion key body 4 is arranged in the expansion key body groove 16, the expansion sleeve end cover 6 is fixed on the side wall of the equipment, and the adjusting sleeve limiting bolt 14 is fixed on the adjusting sleeve 11.

[0014] The angle between the slope of the inner side of the expansion key body 4 and the expansion screw shaft 2 is the same as the angle between the circular truncated cone section of the expansion key top sleeve 10, and the slope of the expansion key body 4 matches the slope of the expansion key top sleeve 10. When the mechanical expansion shaft hand wheel 5 is rotated, the mechanical expansion shaft hand wheel 5 drives the expansion screw shaft 2 to rotate. At this time, the adjusting sleeve 11 with internal threads and the positioning sleeve 7 move left and right. When the adjusting sleeve 11 moves to the right, the adjusting sleeve 11 pushes the disc spring 9 and the expansion key top sleeve 10 to move to the right, and at the same time, the positioning sleeve 7 on the other side pushes the fixed sleeve 8, the disc spring 9, and the expansion key top sleeve 10 on the same side to move to the left. At this time, the expansion key body 4 moves outward along the axis under the push of the circular truncated cone slope of the expansion key top sleeve 10 on both sides. The spring plate 12 installed on the expansion key body 4 bends and opens along the inner wall of the mechanical expansion shaft roller 1, adjusting the movement range of the expansion key body 4. When the mechanical expansion shaft hand wheel 5 is rotated in the opposite direction, the adjusting sleeve 11 moves to the left, the positioning sleeve 7 moves to the right, and the expansion key body 4 returns to the original position under the action of the spring plate 12. The positioning sleeve 7 prevents the movement of the fixed sleeve 8, and the adjusting sleeve limiting bolt 14 ensures that the adjusting sleeve 11 can only move axially and cannot rotate around the shaft. When the inner diameter of the roller is too large, the spare gasket screw hole 17 on the expansion key body 4 can be used to fix the gasket to increase the use range of the mechanical expansion shaft roller.

[0015] The expansion and contraction of the expansion key body 4 are controlled by the rotation of the mechanical expansion shaft hand wheel 5, thereby achieving the fixation or unloading of the film roller. The characteristics are that the tightening or unloading of the roller can be completed without using other power, reducing the manufacturing cost and facilitating operation, and the cost is lower when used in some small equipment.

Claims

1. A hand wheel fixed packaging film mechanical expansion shaft cylinder, characterized in that, The structure comprises a mechanical expanding shaft roller, an expanding screw shaft, a screw shaft sleeve, an expanding key body, a mechanical expanding shaft hand wheel, an expanding sleeve end cover, a positioning sleeve, a fixing sleeve, a disc spring, an expanding key top sleeve, an adjusting sleeve, a spring plate, an expanding sleeve, an adjusting sleeve limiting bolt, an adjusting sleeve limiting groove, an expanding key body groove and a spare gasket screw hole, the adjusting sleeve limiting groove is arranged on the mechanical expanding shaft roller, the expanding screw shaft is arranged in the cavity of the mechanical expanding shaft roller through the screw shaft sleeve and the expanding sleeve, the mechanical expanding shaft hand wheel is fixed on the outer end of the expanding screw shaft, the positioning sleeve is fixed on the expanding screw shaft, the expanding key top sleeve is respectively sleeved on the adjusting sleeve and the fixing sleeve, the disc spring is respectively sleeved on the adjusting sleeve and the fixing sleeve, the two ends of the disc spring are respectively connected with the expanding key top sleeve and the fixing sleeve and the adjusting sleeve and the expanding key top sleeve, the expanding screw shaft and the adjusting sleeve form a screw rod structure, the spring plate is arranged on the expanding key body, the spare gasket screw hole is arranged on the expanding key body, the expanding key body groove is arranged on the mechanical expanding shaft roller, the expanding key body is arranged in the expanding key body groove, the expanding sleeve end cover is fixed on the side wall of the equipment, and the adjusting sleeve limiting bolt is fixed on the adjusting sleeve.

Images