Transmission mechanism of high-speed transverse sealing device of packaging machine

Abstract

The utility model belongs to the field of packaging machines, and provides a packaging machine high-speed transverse sealing device transmission mechanism which comprises a driving gear, a first transmission assembly and a second transmission assembly. The driving gear is used for being connected with an external power source. The first transmission assembly comprises a first rotating shaft and a driven gear coaxially connected to the first rotating shaft, and further comprises a first synchronous belt wheel which is coaxially and movably arranged on the first rotating shaft in a sleeving mode and can rotate around the first rotating shaft, and the driven gear and the driving gear form a gear transmission pair. The first synchronous pulley is connected to the driven gear in a separable transmission linkage manner; the second transmission assembly comprises a second rotating shaft and a second synchronous belt wheel coaxially connected to the second rotating shaft, and further comprises a synchronous belt which is connected between the first synchronous belt wheel and the second synchronous belt wheel and enables the first synchronous belt wheel and the second synchronous belt wheel to rotate synchronously.

Description

Technical Field

[0001] The present application relates to the field of packaging machines, and in particular to a transmission mechanism for a high-speed transverse sealing device of a packaging machine. Background Art

[0002] In the packaging machinery industry, the heat seal mechanism is a critical component for ensuring the seal quality of packaging bags. Traditional packaging machine designs, to meet diverse packaging needs, include either a single or dual heat seal mechanism. For packaging machines equipped with dual heat seal mechanisms, each mechanism typically requires a separate power source.

[0003] However, this design faces a significant practical problem: when only one heat-sealing mechanism is operating for packaging, the other heat-sealing mechanism and its associated power source remain idle. This not only increases redundancy and complexity in the packaging machine's overall structure, but more importantly, it results in a significant waste of energy. Idle power sources increase costs, even though they don't actually contribute to the packaging process. Therefore, a solution to this technical problem is necessary. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a transmission mechanism for a high-speed transverse sealing device of a packaging machine to solve the technical problem of structural redundancy of packaging machines in the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution adopted in this application is to provide a transmission mechanism for a high-speed transverse sealing device of a packaging machine, comprising:

[0006] A driving gear is used to connect to an external power source;

[0007] A first transmission assembly includes a first rotating shaft and a driven gear coaxially connected to the first rotating shaft, and also includes a first synchronous pulley coaxially movably mounted on the first rotating shaft and capable of rotating around the first rotating shaft, the driven gear and the driving gear forming a gear transmission pair, and the first synchronous pulley is detachably connected to the driven gear;

[0008] The second transmission assembly includes a second rotating shaft and a second synchronous pulley coaxially connected to the second rotating shaft, and also includes a synchronous belt connected between the first synchronous pulley and the second synchronous pulley and capable of causing the first synchronous pulley and the second synchronous pulley to rotate synchronously.

[0009] Optionally, the first synchronous pulley and the driven gear are respectively provided with a pin hole parallel to the first rotating shaft;

[0010] The first transmission assembly further includes a pin shaft that can be inserted into the pin hole and enables the first synchronous pulley and the driven gear to rotate synchronously.

[0011] Optionally, the pin holes are arranged in multiple groups at intervals around the first rotating shaft.

[0012] Optionally, the first transmission assembly further includes a transmission block connected to the first rotating shaft;

[0013] The pin hole is provided on the transmission block, and the driven gear and the transmission block are distributed on both sides of the first synchronous pulley in the axial direction of the first rotating shaft.

[0014] Optionally, the first transmission assembly further comprises a pressing block detachably connected to the transmission block;

[0015] The first rotating shaft is clamped between the transmission block and the pressing block.

[0016] Optionally, the first transmission assembly further comprises a connecting disc coaxially connected to the first rotating shaft;

[0017] The connecting disk is padded between the driven gear and the first rotating shaft, and is also padded between the first synchronous pulley and the first rotating shaft.

[0018] Optionally, the first group of transmission components further includes a bearing coaxially sleeved on the connecting disk, and the bearing pad is arranged between the first synchronous pulley and the connecting disk.

[0019] Optionally, the bearings are arranged in a plurality along the axial direction of the connecting plate.

[0020] Optionally, the first group of transmission components further includes a expansion sleeve;

[0021] The connecting disk is connected to the first rotating shaft through the expansion sleeve.

[0022] The advantageous effect of the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided by the present application is that, compared with the prior art, in the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided by the present application, when the first synchronous pulley and the driven gear are separated from each other, the driving gear can only drive the first rotating shaft to rotate through the driven gear to drive one set of transverse sealing mechanisms to work, and at this time the first synchronous pulley will idle relative to the first rotating shaft, that is, the first synchronous pulley will not transmit power to the second synchronous pulley; when the first synchronous pulley and the driven gear are engaged with each other, the driving gear can not only drive the driven gear to rotate, but also drive the first synchronous pulley to rotate and transmit its own power to the second rotating shaft through the first synchronous pulley, the synchronous belt and the second synchronous pulley to drive the second rotating shaft to rotate, so that the second rotating shaft can be used to drive another set of transverse sealing mechanisms to work. In this way, the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided by the present application can drive one set of transverse sealing mechanisms to work or drive two sets of transverse sealing mechanisms to work simultaneously by connecting or separating the first synchronous pulley and the driven gear, which can effectively reduce the overall structural complexity of the packaging machine and is far superior to the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0024] Figure 1 This is a schematic diagram of the overall structure of the transmission mechanism of the high-speed transverse sealing device of the packaging machine in the embodiment of the present application;

[0025] Figure 2 This is a schematic diagram of the partial structure of the transmission mechanism of the high-speed transverse sealing device of the packaging machine in the embodiment of the present application;

[0026] Figure 3 This is a partial structural cross-sectional view of the transmission mechanism of the high-speed transverse sealing device of the packaging machine in the embodiment of the present application.

[0027] Among them, the figure marks in the figure are: 100, driving gear; 101, first rotating shaft; 102, driven gear; 103, first synchronous pulley; 104, second rotating shaft; 105, second synchronous pulley; 106, synchronous belt; 107, pin hole; 108, pin shaft; 109, transmission block; 110, pressure block; 111, connecting plate; 112, bearing; 113, expansion sleeve. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0029] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0032] Please also refer to Figures 1 to 3 The transmission mechanism of a high-speed transverse sealing device for a packaging machine provided in an embodiment of the present application is now described. The transmission mechanism of the high-speed transverse sealing device for a packaging machine includes a driving gear 100, a first transmission assembly, and a second transmission assembly.

[0033] The driving gear 100 is used to connect to an external power source. In this embodiment, the external power source can be a servo motor. The first transmission assembly includes a first rotating shaft 101 and a driven gear 102 coaxially connected to the first rotating shaft 101. It also includes a first synchronous pulley 103 coaxially movable on the first rotating shaft 101 and capable of rotating around the first rotating shaft 101. The driven gear 102 and the driving gear 100 form a gear transmission pair. The first synchronous pulley 103 is detachably connected to the driven gear 102. The second transmission assembly includes a second rotating shaft 104 and a second synchronous pulley 105 coaxially connected to the second rotating shaft 104. It also includes a synchronous belt 106 connected between the first synchronous pulley 103 and the second synchronous pulley 105 and capable of synchronously rotating the first synchronous pulley 103 and the second synchronous pulley 105.

[0034] According to the above structure provided by this embodiment, in the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided by this embodiment, when the first synchronous pulley 103 and the driven gear 102 are separated from each other, the driving gear 100 can only drive the first rotating shaft 101 to rotate through the driven gear 102 to drive one group of transverse sealing mechanisms to work, and at this time the first synchronous pulley 103 will idle relative to the first rotating shaft 101, that is, the first synchronous pulley 103 will not transmit power to the second synchronous pulley 105; when the first synchronous pulley 103 and the driven gear 102 are connected to each other, the driving gear 100 can not only drive the driven gear 102 to rotate, but also drive the first synchronous belt 106 to rotate and transmit its own power to the second rotating shaft 104 through the first synchronous belt 106, the synchronous belt 106 and the second synchronous pulley 105 to drive the second rotating shaft 104 to rotate, so that the second rotating shaft 104 can be used to drive another group of transverse sealing mechanisms to work. In this way, the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided in this application can be connected or separated with each other through the first synchronous pulley 103 and the passive gear 102 to drive one group of transverse sealing mechanisms to work or drive two groups of transverse sealing mechanisms to work at the same time. This can effectively reduce the overall structural complexity of the packaging machine, and has a good synchronization effect when the two groups of transverse sealing mechanisms work at the same time, which is far superior to the existing technology.

[0035] In another embodiment of this application, please refer to Figures 1 to 3 The first synchronous pulley 103 and the driven gear 102 are each provided with a pin hole 107 parallel to the first rotating shaft 101; the first transmission assembly also includes a pin shaft 108 that can be inserted into the pin hole 107 to enable the first synchronous pulley 103 and the driven gear 102 to rotate synchronously. According to the above structure provided in this embodiment, since the pin hole 107 is parallel to the first rotating shaft 101, when the pin shaft 108 is inserted into the pin holes 107 provided in the first synchronous pulley 103 and the driven gear 102, the driven gear 102 can drive the first synchronous pulley 103 to rotate synchronously about the first rotating shaft 101. When the pin shaft 108 is removed from the pin hole 107, the transmission connection relationship between the first synchronous pulley 103 and the driven gear 102 can be separated from each other to disconnect the transmission chain, which can significantly improve the connection efficiency or separation efficiency of the first synchronous pulley 103 and the driven gear 102 in this embodiment, and due to the rigid connection method of the pin shaft 108 during connection, the driven gear 102 and the first synchronous pulley 103 can achieve synchronous rotation without slipping.

[0036] In another embodiment of this application, please refer to Figures 1 to 3, multiple groups of pin holes 107 are arranged at intervals around the first rotating shaft 101. According to the above structure provided in this embodiment, the multiple groups of pin holes 107 arranged around the first rotating shaft 101 can connect the first synchronous pulley 103 and the driven gear 102 through the multiple groups of pin shafts 108. This can not only ensure the connection stability between the first synchronous pulley 103 and the driven gear 102, but also enable the first synchronous pulley 103 and the driven gear 102 to rotate more synchronously after being connected to each other.

[0037] In another embodiment of this application, please refer to Figures 1 to 3 The first transmission assembly also includes a transmission block 109 connected to the first rotating shaft 101; a pin hole 107 is provided on the transmission block 109, and the driven gear 102 and the transmission block 109 are distributed on both sides of the first synchronous pulley 103 in the axial direction of the first rotating shaft 101. According to the above structure provided in this embodiment, since the driven gear 102 and the transmission block 109 are arranged on both sides of the first synchronous pulley 103 and the pin hole 107 is also provided on the transmission block 109, when the pin shaft 108 passes through the pin hole 107 provided on the transmission block 109, the first synchronous pulley 103 and the driven gear 102, the first synchronous pulley 103 can be subjected to approximately the same shear force on both sides of the axial direction of the first rotating shaft 101, which not only makes the first synchronous pulley 103 and the driven gear 102 rotate more synchronously, but also helps to enable the transmission mechanism of the high-speed horizontal sealing device of the packaging machine provided in this embodiment to operate stably for a longer time; as a further improvement, the pin hole 107 on the transmission block 109 is set to be tightly matched with the pin shaft 108, so that when the pin shaft 108 needs to be removed or installed from the pin hole 107 on the driven gear 102 and the first synchronous pulley 103, it can be removed or installed at one time through the action of the transmission block 109, thereby improving the switching efficiency.

[0038] In another embodiment of this application, please refer to Figures 1 to 3 The first transmission assembly further includes a pressure block 110 detachably connected to the transmission block 109; the first rotating shaft 101 is clamped between the transmission block 109 and the pressure block 110. According to the above structure provided in this embodiment, the pressure block 110 detachably connected to the transmission block 109 can cooperate with the transmission block 109 to clamp the first rotating shaft 101. This not only makes it easier to connect the transmission block 109 to the first rotating shaft 101, but also, when two sets of transverse sealing mechanisms need to work simultaneously and the pin shaft 108 is installed in the pin hole 107 on the driven gear 102 and the first synchronous pulley 103, the pressure block 110 and the transmission block 109 are clamped and fixed to the first rotating shaft 101 by fasteners, so that the pin shaft 108 remains stable and thus the transmission mechanism maintains stable operation. This also facilitates subsequent maintenance of the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided in this embodiment.

[0039] In another embodiment of this application, please refer to Figures 1 to 3 The first transmission assembly further includes a connecting disc 111 coaxially connected to the first rotating shaft 101; the connecting disc 111 is positioned between the driven gear 102 and the first rotating shaft 101, and also between the first synchronous pulley 103 and the first rotating shaft 101. According to the structure provided in this embodiment, the connecting disc 111 mounted on the first rotating shaft 101 ensures a more stable connection between the first synchronous pulley 103 and the driven gear 102 on the first rotating shaft 101, thereby ensuring that the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided in this embodiment operates stably for a longer period of time.

[0040] In another embodiment of this application, please refer to Figures 1 to 3 The first transmission assembly further includes a bearing 112 coaxially mounted on the connecting disk 111, with the bearing 112 being positioned between the first synchronous pulley 103 and the connecting disk 111. According to the structure provided in this embodiment, the bearing 112 positioned between the first synchronous pulley 103 and the connecting disk 111 allows the first synchronous pulley 103 to idle more smoothly relative to the connecting disk 111 after the first synchronous pulley 103 is separated from the driven gear 102. This prevents excessive wear between the first synchronous pulley 103 and the driven gear 102, thereby ensuring that the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided in this embodiment can operate stably for a longer period of time.

[0041] In another embodiment of this application, please refer to Figures 1 to 3 Multiple bearings 112 are arranged in an axial direction of the connecting disk 111. According to the structure provided in this embodiment, the arrangement of multiple bearings 112 between the connecting disk 111 and the first synchronous pulley 103 can improve the rotational stability of the first synchronous pulley 103, thereby facilitating the stable operation of the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided in this embodiment for a longer period of time.

[0042] In another embodiment of this application, please refer to Figures 1 to 3 The first transmission assembly further includes a clamping sleeve 113; the connecting disc 111 is connected to the first rotating shaft 101 via the clamping sleeve 113. According to the structure provided in this embodiment, the clamping sleeve 113 connects the first rotating shaft 101 and the connecting disc 111, thereby achieving a more stable connection between the two. It is understood that the clamping sleeve 113 can employ a conventional structure, which facilitates the stable operation of the transmission mechanism of the high-speed transverse sealing device of the packaging machine provided in this embodiment for a longer period of time.

[0043] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A transmission mechanism for a high-speed transverse sealing device of a packaging machine, characterized in that: include: A driving gear (100) for connecting to an external power source; A first transmission assembly comprises a first rotating shaft (101) and a driven gear (102) coaxially connected to the first rotating shaft (101), and further comprises a first synchronous pulley (103) coaxially movably mounted on the first rotating shaft (101) and capable of rotating around the first rotating shaft (101), wherein the driven gear (102) and the driving gear (100) form a gear transmission pair, and the first synchronous pulley (103) is detachably connected to the driven gear (102); The second transmission assembly comprises a second rotating shaft (104) and a second synchronous pulley (105) coaxially connected to the second rotating shaft (104), and also comprises a synchronous belt (106) connected between the first synchronous pulley (103) and the second synchronous pulley (105) and capable of causing the first synchronous pulley (103) and the second synchronous pulley (105) to rotate synchronously.

2. The transmission mechanism of the high-speed transverse sealing device of the packaging machine according to claim 1, characterized in that: The first synchronous pulley (103) and the driven gear (102) are respectively provided with a pin hole (107) parallel to the first rotating shaft (101); The first transmission assembly further comprises a pin shaft (108) capable of being inserted into the pin hole (107) and enabling the first synchronous pulley (103) and the driven gear (102) to rotate synchronously.

3. The transmission mechanism of the high-speed transverse sealing device of the packaging machine according to claim 2, characterized in that: The pin holes (107) are arranged in multiple groups at intervals around the first rotating shaft (101).

4. The transmission mechanism of the high-speed transverse sealing device of the packaging machine according to claim 2 or 3, characterized in that: The first transmission assembly further includes a transmission block (109) connected to the first rotating shaft (101); The pin hole (107) is provided on the transmission block (109), and the driven gear (102) and the transmission block (109) are distributed on both sides of the first synchronous pulley (103) in the axial direction of the first rotating shaft (101).

5. The transmission mechanism of the high-speed transverse sealing device of the packaging machine according to claim 4, characterized in that: The first transmission assembly further comprises a pressing block (110) detachably connected to the transmission block (109); The first rotating shaft (101) is clamped between the transmission block (109) and the pressing block (110).

6. The transmission mechanism of the high-speed transverse sealing device of the packaging machine according to claim 1, characterized in that: The first transmission assembly further comprises a connecting disc (111) coaxially connected to the first rotating shaft (101); The connecting disk (111) is padded between the driven gear (102) and the first rotating shaft (101), and is also padded between the first synchronous pulley (103) and the first rotating shaft (101).

7. The transmission mechanism of the high-speed transverse sealing device of the packaging machine according to claim 6, characterized in that: The first transmission assembly further comprises a bearing (112) coaxially sleeved on the connecting disk (111), wherein the bearing (112) is cushioned between the first synchronous pulley (103) and the connecting disk (111).

8. The transmission mechanism of the high-speed transverse sealing device of the packaging machine according to claim 7, characterized in that: The bearings (112) are arranged in a plurality in an axial direction of the connecting disc (111).

9. The transmission mechanism of the high-speed transverse sealing device of the packaging machine according to any one of claims 6 to 8, characterized in that: The first transmission assembly further includes a tightening sleeve (113); The connecting disk (111) is connected to the first rotating shaft (101) via the expansion sleeve (113).

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