belt pressing mechanism

Abstract

The present application provides a kind of press belt mechanism, the press belt mechanism is arranged on the swing arm of portable packing machine, the press belt mechanism includes first elastic mechanism and press belt component, the first elastic mechanism is down to the press belt component, and allows the press belt component to retract and provide the downward reset elastic force for the press belt component, the height of the lower end of the press belt component is lower than the upper end of the tooth plate arranged on the inside bottom of swing arm near the side of press belt mechanism.The present application can prevent the packing belt from falling out to the outside by a certain degree of pressing belt when closing between swing arm and tensioning wheel, and can be adaptively and elastically accommodated when lifting the packing belt by tensioning the packing belt, without hindering the tensioning belt work, which helps to realize the automation of portable packing machine.

Description

TECHNICAL FIELD

[0001] The present application relates to a belt pressing mechanism, in particular to a tensioning mechanism of a hand-held baling machine. BACKGROUND

[0002] The hand-held baling machine is a portable device, which is used to conveniently carry to the relevant work point to bind the articles. The tensioning mechanism is used to tighten the baling belt after winding the articles one round, and the execution mechanism adopts a tensioning wheel. The tensioning mechanism is provided with a curved swing arm around the tensioning wheel on one side of the tensioning wheel. The inner side bottom of the curved swing arm is provided with a structure matched with the tensioning wheel. When the swing arm and the tensioning wheel are closed, the structure matched with the tensioning wheel clamps the baling belt to be able to tighten the baling belt.

[0003] For the hand-held baling machine, it is hoped to realize more comprehensive operation automation.

[0004] For the previous baling machine, when the swing arm is opened, the belt is put in, and when the swing arm and the tensioning wheel are closed, the baling belt is sometimes dropped outwards, which is not conducive to the operation automation of the hand-held baling machine. SUMMARY

[0005] The purpose of the present application is to provide a belt pressing mechanism, which can avoid the problem that the baling belt is dropped outwards when the swing arm and the tensioning wheel of the hand-held baling machine are closed, and at the same time does not hinder the work of tightening the belt. For this purpose, the present application adopts the following technical solutions:

[0006] The belt pressing mechanism is characterized in that the belt pressing mechanism is arranged on the swing arm of the hand-held baling machine, and the belt pressing mechanism comprises a first elastic mechanism and a belt pressing component. The first elastic mechanism pushes the belt pressing component downward, allows the belt pressing component to retract and provides the belt pressing component with a downward reset elastic force. The height of the lower end of the belt pressing component is lower than the upper end of the tooth plate arranged on the inner side bottom of the swing arm close to the belt pressing mechanism.

[0007] On the basis of the above technical solutions, the present application can also adopt the following further technical solutions, or use these further technical solutions in combination:

[0008] The belt pressing component adopts a rolling body.

[0009] The hand-held baling machine is provided with a baling belt limiting structure on the inner side of the swing arm.

[0010] The belt pressing mechanism is provided with a rotatable mounting block. The first elastic mechanism and the belt pressing component are arranged in the mounting block. The rotation of the mounting block makes the belt pressing component adapt to the lifting of the baling belt during the tightening of the belt at the height of the clearance. The mounting block is connected with a second elastic mechanism.

[0011] The pressing belt mechanism is provided with a spacer, a connecting screw, the spacer is connected with the mounting block, and the connecting screw connects the mounting block with the swing arm.

[0012] The first elastic mechanism adopts a compression spring, the mounting block is internally provided with a mounting hole, the pressing belt component adopts a steel ball, the compression spring and the steel ball are arranged in the mounting hole, and the lower end aperture of the mounting hole is smaller than the diameter of the steel ball.

[0013] The second elastic mechanism adopts a torsion spring, the torsion spring is sleeved between the spacers and connected between the swing arm and the mounting block.

[0014] The mounting block is provided with a connecting hole, the spacer is provided with a part inserted into the connecting hole, and the connecting screw is connected with the swing arm by penetrating the connecting hole and the spacer; the mounting block is provided with a hole orthogonally penetrating the connecting hole, which is a mounting hole at the lower part of the connecting hole, the pressing belt component adopts a steel ball, the compression spring and the steel ball are arranged in the mounting hole, the lower end aperture of the mounting hole is smaller than the diameter of the steel ball, and the inserted part of the spacer serves as a supporting component of the compression spring.

[0015] The spacer is provided with a part inserted into the connecting hole and serves as a rotating shaft of the mounting block.

[0016] The outer side of the swing arm is provided with a concave area, and the mounting block is arranged in the concave area.

[0017] By adopting the technical scheme of the present application, the packing belt can be prevented from falling out of the outside when the swing arm and the tensioning wheel are closed by a certain degree of pressing, and the packing belt can be elastically and adaptively accommodated when the packing belt is lifted, so as not to hinder the tensioning work and help realize the operation automation of the hand-held packing machine. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the handless hand-held packing machine.

[0019] Figure 2 It is a front view of the swing arm provided with the pressing belt mechanism.

[0020] Figure 3 It is a perspective view of the swing arm provided with the pressing belt mechanism.

[0021] Figure 4 It is an exploded view of the structure shown. Figure 3 DETAILED DESCRIPTION

[0022] ​Referring to the drawings. The provided belt pressing mechanism 101 is arranged on the swing arm 100 of the hand-held baling machine, the reference numeral 200 is the tensioning wheel of the hand-held baling machine, the swing arm 100 is bent and arranged around the tensioning wheel 200 on one side of the tensioning wheel 200, the inside bottom of the swing arm 100 is provided with a toothed plate 102, after the swing arm 100 is turned to close between the tensioning wheel 200, the toothed plate 102 cooperates with the tensioning wheel 200, and the baling belt 300 is clamped, under the condition that the tensioning wheel 200 is turned, the baling belt 300 is pulled to the right (with Figure 1 the hand-held baling machine as the reference position).

[0023] The belt pressing mechanism comprises a first elastic mechanism and a belt pressing component, the first elastic component adopts a compression spring 10, the belt pressing component adopts a steel ball 1, which is convenient to install and has small frictional resistance to the baling belt 300; the compression spring 10 pushes the steel ball 1 downward, allows the steel ball 1 to retract and provides the steel ball 1 with downward reset elastic force, the height of the lower end of the steel ball 1 is lower than the upper end 104 of the toothed plate 102 arranged on the inside bottom of the swing arm close to the belt pressing mechanism, when the bent swing arm 100 and the tensioning wheel 200 are in the open state and the baling belt 300 is put in, the belt pressing component (steel ball 1) can press the baling belt 300 downward, when the swing arm 100 is turned to the closing direction, the state of the baling belt 300 can be effectively maintained, and it is avoided that the baling belt 300 drops outwards.

[0024] The hand-held baling machine is provided with a baling belt limiting structure on the inside of the swing arm, which can ensure that the position of the baling belt 300 in the width direction is appropriate when the baling belt 300 is put in, and facilitate the belt pressing component to play the belt pressing role, the baling belt limiting structure can adopt a limiting block 5 or a limiting plate and the like.

[0025] The belt pressing mechanism is provided with a rotatable mounting block 2, the rotation axis of the mounting block 2 is orthogonal to the rotation axis of the swing arm 100, through the rotation, the belt pressing component (steel ball 1) on the mounting block 2 changes in height, through the rotation of the mounting block 2, the belt pressing component adapts to the lifting of the baling belt during the tensioning of the belt, so that the belt pressing and the tensioning belt process of the hand-held baling machine are more coordinated, which ensures the belt pressing effect and also makes the tensioning belt process smooth.

[0026] The mounting block 2 is provided with a mounting hole 21, the compression spring 10 and the steel ball 1 are arranged in the mounting hole 21, and the lower end hole 211 of the mounting hole 21 is smaller than the diameter of the steel ball 1.

[0027] The pressing belt mechanism is provided with a spacer 3 and a connecting screw 4, the spacer 3 is provided with an insertion end 31, the mounting block 2 is provided with a connecting hole 23, the insertion end 31 is inserted into the connecting hole 23, the screw 4 is connected with the swing arm 100 by penetrating the connecting hole 23 and the spacer 3, and the reference number 105 is a screw connecting hole on the swing arm which cooperates with the screw 4; the mounting block 2 is provided with a hole which is perpendicular to the connecting hole 23, the hole at the lower part of the connecting hole is an installation hole 21, and the hole at the upper part is a via hole for installing the compression spring 10 and the ball 1, and the via hole can be blocked by a cover after assembly; the insertion end 31 of the spacer serves as the rotating shaft of the mounting block 2 and as the supporting part of the compression spring 10.

[0028] The mounting block 2 is connected with a second elastic mechanism, the second elastic mechanism adopts a torsion spring 20, the torsion spring 20 is sleeved between the spacers 3 and connected between the swing arm 100 and the mounting block 2.

[0029] The outer side of the swing arm 100 is provided with a concave area 103, the mounting block 1 is correspondingly arranged in the concave area 103, and the arrangement of the pressing belt part is facilitated.

[0030] The above only describes the specific embodiments of the present application, but the structural features of the present application are not limited to this, any person skilled in the art can make changes or modifications in the field of the present application, and the changes or modifications are covered in the protection scope of the present application.

Claims

1. Belt pressing mechanism, characterized by The belt pressing mechanism is arranged on the swing arm of the portable baler, and the swing arm is bent and arranged around the tensioning wheel on one side of the tensioning wheel. A tooth plate is arranged at the bottom inner side of the swing arm. After the swing arm rotates to close between it and the tensioning wheel, the tooth plate cooperates with the tensioning wheel to clamp the strapping belt; the belt pressing mechanism includes a first elastic mechanism and a belt pressing component. The first elastic mechanism pushes the belt pressing component downward, allows the belt pressing component to retract, and provides a downward reset elastic force for the belt pressing component. The height of the lower end of the belt pressing component is lower than the upper end of the tooth plate arranged at the bottom inner side of the swing arm close to the belt pressing mechanism.

2. The belt pressing mechanism according to claim 1, characterized in that The belt pressing component adopts a rolling body.

3. The belt pressing mechanism according to claim 1, characterized in that The portable baler is provided with a baling belt limiting structure on the inner side of the swing arm.

4. The belt pressing mechanism according to claim 1, 2 or 3, characterized in that The belt pressing mechanism is provided with a rotatable mounting block, the first elastic mechanism and the belt pressing component are arranged in the mounting block, and the belt pressing component is adapted to the lifting of the strap when the strap is tightened at a yield height by rotating the mounting block, and the mounting block is connected to the second elastic mechanism.

5. The belt pressing mechanism according to claim 4, characterized in that The belt pressing mechanism is provided with a spacer sleeve and a connecting screw. The spacer sleeve is connected to the mounting block. The connecting screw connects the mounting block to the swing arm.

6. The belt pressing mechanism according to claim 4, characterized in that The first elastic mechanism adopts a compression spring, a mounting hole is set inside the mounting block, the belt pressing component adopts a steel ball, the compression spring and the steel ball are set in the mounting hole, and the lower end opening of the mounting hole is smaller than the diameter of the steel ball.

7. The belt pressing mechanism according to claim 5, characterized in that The second elastic mechanism adopts a torsion spring, which is sleeved between the spacers and connected between the swing arm and the mounting block.

8. The belt pressing mechanism according to claim 6, characterized in that The mounting block is provided with a connecting hole, the spacer is provided with a part inserted into the connecting hole, and the connecting screw passes through the connecting hole and the spacer and is connected to the swing arm; the mounting block is provided with a hole that passes through the connecting hole orthogonally, and the hole at the lower part of the connecting hole serves as the mounting hole, the belt pressing component adopts a steel ball, the compression spring and the steel ball are arranged in the mounting hole, the lower end opening of the mounting hole is smaller than the diameter of the steel ball, and the inserted part of the spacer serves as a supporting component of the compression spring.

9. The belt pressing mechanism according to claim 5, characterized in that The portion of the spacer sleeve that is inserted into the connecting hole serves as a rotation axis of the mounting block.

10. The belt pressing mechanism according to claim 4, characterized in that A concave area is provided on the outer side of the swing arm, and the mounting block is correspondingly arranged in the concave area.

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