Rotating shaft fastening device for packaging machine

Abstract

The utility model relates to the technical field of packaging machines, in particular to a rotating shaft fastening device for a packaging machine, which comprises a rotating shaft, a transmission rotating block and a fastening component, the fastening component comprises a first fastening piece, a second fastening piece and an embedding block, the first fastening piece and the second fastening piece are arranged on the outer side of the rotating shaft, and the embedding block is arranged on the outer side of the rotating shaft. The first fastening piece and the second fastening piece are annular, a fastening piece composed of the first fastening piece and the second fastening piece is connected with the rotating shaft in a sliding mode, threaded connecting pieces are arranged on the two sides of the first fastening piece and the two sides of the second fastening piece, threaded connecting pieces are also arranged on the inner side of the first fastening piece, and an embedded block is arranged on the side, away from the second fastening piece, of the first fastening piece. A transmission rotating block is arranged on the outer side of the embedding block, an embedding key groove is formed in the connecting position of the transmission rotating block and the embedding block, and the embedding key groove and the embedding block are mutually embedded; under the condition that the rotating shaft is not punched, the transmission rotating block and the rotating shaft are connected and fixed, and meanwhile the position of the transmission rotating block can be changed.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing machine technical field especially for packing machine's rotating shaft fastening device. BACKGROUND

[0002] The packing machine is a kind of mechanical equipment for packing product, is widely used in food, medicine, chemical industry, daily use chemical industry etc., rotating shaft and transmission block are two components of packing machine, its function is transmission, drives the packing component operation of packing machine.

[0003] Rotating shaft and transmission block need to be connected and fixed when using, and the existing fastening device is mostly to punch rotating shaft, and is fixed using hole connecting bolt, the precision is required when using this mode, when the punching tolerance is too large, it cannot be assembled, and the position of transmission block cannot be adjusted using the punching fixed mode.

[0004] Therefore, aiming at the above problems, a rotating shaft fastening device for packing machine can be designed, which does not use the punching mode for fastening. INVENTION CONTENTS

[0005] In order to overcome the problem that most rotating shafts and transmission blocks need to be connected and fixed when using, and the existing fastening device is mostly to punch rotating shaft, and is fixed using hole connecting bolt, the precision is required when using this mode, when the punching tolerance is too large, it cannot be assembled, and the position of transmission block cannot be adjusted using the punching fixed mode.

[0006] The technical scheme of the utility model is as follows: a rotating shaft fastening device for packing machine, comprising a rotating shaft, a transmission block and a fastening assembly, the fastening assembly comprising a first fastener, a second fastener and an embedded block, the rotating shaft being provided with the first fastener and the second fastener on the outer side, the first fastener and the second fastener being annular, the fastener formed by the first fastener and the second fastener being in sliding connection with the rotating shaft, the first fastener and the second fastener being provided with threaded connectors on the two sides, the inner side of the first fastener also being provided with a threaded connector, the side of the first fastener away from the second fastener being provided with an embedded block, the outer side of the embedded block being provided with the transmission block, a embedded key groove being formed at the connection of the transmission block and the embedded block, and the embedded key groove and the embedded block being mutually embedded.

[0007] Preferably, the two sides of the first fastener and the second fastener are provided with connecting wings, and the threaded connectors penetrate through the connecting wings and are in sliding connection with the connecting wings.

[0008] Preferably, the inner side of the first fastener is provided with a receiving hole, and the depth of the receiving hole is consistent with the thickness of the head of the threaded connector.

[0009] As preferred, one side of the connecting wing plate is provided with a relief cutting edge, and the depth of the relief cutting edge is greater than the thickness of the transmission rotating block.

[0010] As preferred, the upper portion of the embedded block is provided with a limiting block, and the limiting block is provided with two groups and is distributed on both sides of the transmission rotating block.

[0011] As preferred, one side of the limiting block is provided with a reinforcing rib, and the reinforcing rib is fixedly connected with the limiting block.

[0012] As preferred, the bottom of the limiting block is provided with an adjusting groove, and the width of the adjusting groove is consistent with the diameter of the threaded connecting piece.

[0013] The beneficial effects of the utility model are as follows:

[0014] The threaded connecting piece is used for connecting and fixing the embedded block and the first fastener, the embedded key groove and the embedded block are embedded with each other, the transmission rotating block is fixed with the first fastener, the first fastener and the second fastener are fixed and fastened by the threaded connecting piece, the friction force between the fastener and the rotating shaft is used for fixing the fastener and the rotating shaft, and the installation position and the angle of the transmission rotating block can be adjusted before the threaded connecting piece is tightened, so as to adapt to actual conditions. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a rotating shaft fastening device for packaging machine's three-dimensional structure schematic diagram is shown.

[0016] Figure 2 The utility model discloses a rotating shaft fastening device for packaging machine's first fastener three-dimensional structure schematic diagram is shown.

[0017] Figure 3 The utility model discloses a rotating shaft fastening device for packaging machine's embedded block three-dimensional structure schematic diagram is shown.

[0018] Figure 4 The utility model discloses a rotating shaft fastening device for packaging machine's limiting block three-dimensional structure schematic diagram is shown.

[0019] The utility model discloses a rotating shaft fastening device for packaging machine's three-dimensional structure schematic diagram is shown. CONCRETE EMBODIMENT

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Please refer toFigures 1-4 The utility model provides a kind of embodiment: rotating shaft fastening device for packing machine, including rotating shaft stem 1, transmission block 2 and fastening assembly, fastening assembly includes first fastener 3, second fastener 4, fitting block 5, the outside of rotating shaft stem 1 is provided with first fastener 3 and second fastener 4, first fastener 3 and second fastener 4 are annular, first fastener 3 and second fastener 4 are connected with rotating shaft stem 1 slidingly, the two sides of first fastener 3 and second fastener 4 are provided with threaded connector 9, the inside of first fastener 3 is also provided with threaded connector 9, the side of first fastener 3 away from second fastener 4 is provided with fitting block 5, the outside of fitting block 5 is provided with transmission block 2, transmission block 2 is provided with fitting key groove 8 at the junction with fitting block 5, fitting key groove 8 and fitting block 5 are mutually fitted;By being provided with threaded connector 9, fitting block 5 is connected and fixed with first fastener 3, again fitting key groove 8 and fitting block 5 are mutually fitted, transmission block 2 is fixed with first fastener 3, finally, first fastener 3 and second fastener 4 are connected and fixed and are fastened using threaded connector 9, and first fastener 3 and second fastener 4 are fixed using the friction between fastener and rotating shaft stem 1, before threaded connector 9 is not screwed tightly, the installation position and angle of transmission block 2 can be adjusted to adapt to actual situation.

[0022] Please refer to Figure 2 In the embodiment, the two sides of first fastener 3 and second fastener 4 are provided with connecting wing plate 7, threaded connector 9 penetrates connecting wing plate 7 and is connected with connecting wing plate 7 slidingly, the inside of first fastener 3 is provided with receiving hole 301, the depth of receiving hole 301 is consistent with the head thickness of threaded connector 9;Connecting wing plate 7 is used to install threaded connector 9 to connect first fastener 3 and second fastener 4, receiving hole 301 is used to receive and hide the head of threaded connector 9 at receiving hole 301, to prevent threaded connector 9 from hindering the installation of rotating shaft stem 1.

[0023] Please refer to Figure 3 In the embodiment, one side of connecting wing plate 7 is provided with avoiding cut edge 701, and the depth of avoiding cut edge 701 is greater than the thickness of transmission block 2;Avoiding cut edge 701 avoids transmission block 2, to prevent connecting wing plate 7 from hindering the installation of transmission block 2.

[0024] Please refer to Figure 4In the embodiment, the upper portion of the fitting block 5 is provided with a limiting block 6, the limiting block 6 is provided with two groups and is distributed on both sides of the transmission rotating block 2, the limiting block 6 is in sliding connection with the threaded connecting piece 9, one side of the limiting block 6 is provided with a reinforcing rib 601, the reinforcing rib 601 is in fixed connection with the limiting block 6, the bottom of the limiting block 6 is provided with an adjusting groove 602, the width of the adjusting groove 602 is consistent with the diameter of the threaded connecting piece 9; during installation, the position of the limiting block 6 is adjusted through the sliding connection between the adjusting groove 602 and the threaded connecting piece 9, and the limiting block 6 is tightly attached to the transmission rotating block 2, at this time, the threaded connecting piece 9 at the limiting block 6 is tightened to fix the position of the limiting block 6, the two groups of fixed limiting blocks 6 can limit the axial movement of the transmission rotating block 2, and the reinforcing rib 601 can strengthen the limiting strength of the limiting block 6.

[0025] During installation, the fitting block 5 is first connected with the first fastener 3 through the threaded connecting piece 9 but is not fastened, the fitting key groove 8 is aligned with the fitting block 5, then the fitting block 5 is inserted into the transmission rotating block 2, then the position of the limiting block 6 is adjusted until the limiting block 6 is tightly attached to the transmission rotating block 2, then the threaded connecting piece 9 at the limiting block 6 is tightened, then the first fastener 3 and the second fastener 4 are connected through the threaded connecting piece 9 but are not tightened, then the rotating shaft rod 1 is inserted into the gap between the first fastener 3 and the second fastener 4, the transmission rotating block 2 is adjusted to a suitable position and posture, then the threaded connecting piece 9 at the connecting wing plate 7 is tightened to complete the installation.

[0026] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A rotating shaft fastening device for a packaging machine, comprising a rotating shaft stem (1); characterized in that: The transmission rotating block (2) and the fastening assembly are further included, the fastening assembly includes the first fastener (3), the second fastener (4) and the embedded block (5), the outer side of the rotating shaft (1) is provided with the first fastener (3) and the second fastener (4), the first fastener (3) and the second fastener (4) are annular, the fastener formed by the first fastener (3) and the second fastener (4) is in sliding connection with the rotating shaft (1), the two sides of the first fastener (3) and the second fastener (4) are provided with the threaded connecting piece (9), the inner side of the first fastener (3) is also provided with the threaded connecting piece (9), the side, away from the second fastener (4), of the first fastener (3) is provided with the embedded block (5), the outer side of the embedded block (5) is provided with the transmission rotating block (2), the connecting part of the transmission rotating block (2) and the embedded block (5) is provided with the embedded key groove (8), and the embedded key groove (8) and the embedded block (5) are embedded with each other.

2. A rotating shaft fastening device for a packaging machine according to claim 1, characterized in that: The two sides of the first fastener (3) and the second fastener (4) are provided with the connecting wing plate (7), the threaded connecting piece (9) penetrates through the connecting wing plate (7) and is in sliding connection with the connecting wing plate (7).

3. A rotating shaft fastening device for a packaging machine according to claim 1, characterized in that: The inner side of the first fastener (3) is provided with the receiving hole (301), and the depth of the receiving hole (301) is consistent with the thickness of the head of the threaded connecting piece (9).

4. A rotating shaft fastening device for a packaging machine according to claim 2, characterized in that: One side of the connecting wing plate (7) is provided with the avoiding cut edge (701), and the depth of the avoiding cut edge (701) is greater than the thickness of the transmission rotating block (2).

5. A rotating shaft fastening device for a packaging machine according to claim 1, characterized in that: The upper portion of the embedded block (5) is provided with the limiting block (6), the limiting block (6) is provided with two groups and is distributed on the two sides of the transmission rotating block (2), and the limiting block (6) is in sliding connection with the threaded connecting piece (9).

6. A rotating shaft fastening device for a packaging machine according to claim 5, characterized in that: One side of the limiting block (6) is provided with the reinforcing rib (601), and the reinforcing rib (601) is fixedly connected with the limiting block (6).

7. A rotating shaft fastening device for a packaging machine according to claim 5, characterized in that: The bottom of the limiting block (6) is provided with the adjusting groove (602), and the width of the adjusting groove (602) is consistent with the diameter of the threaded connecting piece (9).

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