Push rod mechanism of boxing machine

Abstract

The utility model discloses a box packing machine push rod mechanism which comprises a first push head and a second push head, the second push head can horizontally move relative to the first push head, and the first push head is provided with a through movable groove in the horizontal moving direction of the second push head. The second push head comprises a second push rod, an overturning assembly, a second connecting block and a pressing plate, the overturning assembly is arranged at one end of the second push rod, the second connecting block is fixed to the overturning assembly, and one end of the pressing plate penetrates through the movable groove and is fixed to the second connecting block. In the process that the pressing plate is pulled out, the product is blocked through the first push head, and the product can be prevented from being pulled out along with the pressing plate. When the push rod mechanism is used, the products cannot be brought out after being put into the box, so that equipment shutdown can be avoided, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of push rod devices, in particular to a push rod mechanism of a cartoning machine. Background Art

[0002] A cartoning machine is a supporting device for solid preparation packaging, which can simultaneously complete the opening of boxes, the loading of products, the feeding of instructions, and the printing of batch numbers, production dates, etc. When the edges of the products to be processed are relatively thin (such as blister plates or toothed bag packaging, etc.), generally, a push head mechanism is required to successfully push the products into the cartons, and then the push head mechanism can be reset smoothly to complete the subsequent carton sealing operation.

[0003] However, the above operation method has the following defects, which are shown as follows:

[0004] 1. After the push head on the push rod pushes the product into the carton, during the pulling-out process, it is easy to clamp and take out the product from the carton, resulting in the failure to smoothly complete the product loading into the carton and frequent shutdowns.

[0005] 2. The push head on the push rod is not suitable for multi-variety production. Each time the variety or specification is changed, the push head assembly needs to be replaced accordingly, and dozens of groups need to be replaced each time, and the operation is relatively cumbersome.

[0006] Each time of shutdown for maintenance or replacement of the push head assembly takes a lot of time, which is not conducive to the improvement of production efficiency. Content of the Utility Model

[0007] In order to overcome the deficiencies of the prior art, the utility model provides a push rod mechanism of a cartoning machine.

[0008] The purpose of the utility model is achieved by adopting the following technical solutions:

[0009] A push rod mechanism of a cartoning machine includes a first push head and a second push head. The second push head can move horizontally relative to the first push head. The first push head is provided with a through activity groove along the horizontal movement direction of the second push head. The second push head includes a second push rod, a flipping assembly, a second connecting block and a pressing plate. The flipping assembly is arranged at one end of the second push rod. The second connecting block is fixed on the flipping assembly. One end of the pressing plate passes through the activity groove and is fixed to the second connecting block.

[0010] Further, one end of the pressing plate passes through the activity groove and is fixed to the bottom of the second connecting block.

[0011] Further, the flipping assembly includes a connecting seat, a limiting rod, a guiding rod, a spring and a roller. The connecting seat is of an L-shaped structure. One end of the connecting seat is hinged to one end of the second push rod. A through groove is formed in the connecting seat. One end of the limiting rod passes through the groove and is fixed on the end face of the second push rod. One end of the guiding rod is fixed on the end face of the second push rod, and the other end is movably placed in the groove. The spring is sleeved outside the guiding rod, and both ends of the spring are respectively fixed on the connecting seat and the second push rod. The roller is arranged on the top end face of the connecting seat, and the second connecting block is fixed on one side of the connecting seat away from the roller.

[0012] Further, the limiting rod includes a limiting block and a connecting rod. One end of the connecting rod is fixed on the limiting block, and the other end passes through the groove and is threadedly connected to the second push rod. The limiting block is placed outside the groove.

[0013] Further, the first push head includes an upper connecting block, a lower connecting block and a first push rod. The moving groove is formed in the upper connecting block. The upper connecting block is fixedly connected to the lower connecting block. One end of the first push rod is fixed on the lower connecting block.

[0014] Further, two or more slots are formed in the lower connecting block, and two or more insertion plates are arranged on the upper connecting block. The number of the insertion plates is the same as that of the slots. Each insertion plate is respectively movably connected to one of the slots, and the insertion plate is fixed to the lower connecting block through a first mounting screw.

[0015] Further, first kidney-shaped holes are respectively formed in two side edges of the lower connecting plate. Each first kidney-shaped hole communicates with one slot. First mounting holes are respectively formed in the two outermost insertion plates. The first mounting screw passes through the first kidney-shaped hole and is fixed in the first mounting hole.

[0016] Further, a second kidney-shaped hole is formed in the second connecting block, and a second mounting hole is formed in the connecting seat. A second mounting screw is further included. The second mounting screw passes through the second kidney-shaped hole and is fixed in the second mounting hole.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. The second push head of the present invention can horizontally move relative to the first push head. After the product is pushed into the paper box, the first push head remains stationary, and the second push head is first driven to move away from the paper box to pull out the pressing plate. During the process of pulling out the pressing plate, the product can be blocked by the first push head, so that the product can be prevented from being pulled out together with the pressing plate. Since the push rod mechanism will not take out the product again after the product is put into the box during use, the equipment shutdown can be avoided, and the production efficiency can be improved.

[0019] 2. When boxing products of different heights, there is no need to remove the push head assembly. By adjusting the relative positions of the upper connecting block and the lower connecting block, synchronously adjusting the relative positions of the second connecting block and the connecting seat, and the length of the connecting rod screwed into the second push rod, the position and initial state of the pressing plate are adjusted, and the push rod mechanism is adjusted to quickly realize the switching of the boxing mechanism between products of different specifications, improving the efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the position of the present utility model on the cartoning machine;

[0021] Figure 2 It is a schematic structural diagram of the present utility model;

[0022] Figure 3 It is a schematic structural diagram of the upper connecting block and the lower connecting block;

[0023] In the figure: 100, the cartoning machine push rod mechanism; 1, the first push head; 11, the upper connecting block; 111, the insertion plate; 12, the lower connecting block; 121, the slot; 13, the first push rod; 2, the second push head; 21, the second push rod; 22, the flipping assembly; 221, the connecting seat; 222, the limiting rod; 223, the guiding rod; 224, the spring; 225, the roller; 23, the second connecting block; 24, the pressing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure content of the present utility model more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0027] Embodiment 1: As Figure 1 - Figure 2 shown, a push rod mechanism 100 of a cartoning machine includes a first push head 1 and a second push head 2. The first push head 1 and the second push head 2 are respectively installed in the cartoning machine, and are driven by the driving system of the cartoning machine to drive the first push head 1 and the second push head 2 to move horizontally. The second push head 2 can move horizontally relative to the first push head 1. The first push head 1 is provided with a through activity groove along the horizontal movement direction of the second push head 2. The second push head 2 includes a second push rod 21, a flipping assembly 22, a second connecting block 23 and a pressing plate 24. The flipping assembly 22 is arranged at one end of the second push rod 21. The second connecting block 23 is fixed on the flipping assembly 22. One end of the pressing plate 24 passes through the activity groove and is fixed at the bottom of the second connecting block 23.

[0028] Multiple push rod mechanisms can be installed in a cartoning machine, and the push rod mechanisms are driven to work through the driving system and the cartoning machine track of the cartoning machine. Before the product enters the box, first control the flipping assembly 22 through the driving system to drive the bottom of the second connecting block 23 to tilt upwards, and then drive the pressing plate 24 to flip upwards with the fixed point of the pressing plate 24 and the second connecting block 23 as the center of the circle, so that the product can smoothly enter below the pressing plate 24, and control the state of the flipping assembly 22 to be restored until the state is restored and stopped when the pressing plate 24 presses the product smoothly; then the first push head 1 and the second push head 2 move synchronously towards the direction of the carton under the drive of the cartoning machine track and the driving system, and push the product into the carton; next, the first push head 1 remains stationary, first drives the second push head 2 to move away from the carton to pull out the pressing plate 24. During the process of pulling out the pressing plate 24, block the product through the first push head 1 to prevent the product from being pulled out together with the pressing plate 24; finally, the first push head 1 and the second push head 2 return to the initial position and the initial state, and complete the product box entry for this time. Since the push rod mechanism will not take out the product again after the product enters the box during use, equipment shutdown can be avoided and production efficiency can be improved.

[0029] As Figure 2 shown, the flipping assembly 22 includes a connecting seat 221, a limiting rod 222, a guiding rod 223, a spring 224 and a roller 225. The connecting seat 221 is an L-shaped structure. One end of the connecting seat 221 is hinged to one end of the second push rod 21. The connecting seat 221 is provided with a through groove. One end of the limiting rod 222 passes through the groove and is fixed on the end face of the second push rod 21. One end of the guiding rod 223 is fixed on the end face of the second push rod 21, and the other end is movably placed in the groove. The spring 224 is sleeved outside the guiding rod 223. The two ends of the spring 224 are respectively fixed on the connecting seat 221 and the second push rod 21. The roller 225 is arranged on the top end face of the connecting seat 221. The second connecting block 23 is fixed on the side of the connecting seat 221 away from the roller 225.

[0030] Before the product is put into the box, first press the roller 225 downward through the drive system and the track of the box loading machine. At this time, the spring 224 is gradually compressed, and the connecting seat 221 rotates with the hinge part as the axis, driving the second connecting block 23 and the pressing plate 24 to rotate and tilt up, so that the product can smoothly enter below the pressing plate 24. Then control the position of the roller 225 to recover until the state stops when the pressing plate 24 presses the product smoothly; next, complete the subsequent box loading movement. Finally, the first pusher 1 and the second pusher 2 return to the initial position and the initial state, and the product is put into the box for this time is completed.

[0031] As Figure 2 shown, the limit rod 222 includes a limit block and a connecting rod. One end of the connecting rod is fixed on the limit block, and the other end passes through the groove and is threadedly connected to the second push rod 21. The limit block is placed outside the groove. By adjusting the length of the connecting rod screwed into the second push rod 21, the initial state of the connecting seat 221 can be adjusted, and then the initial state of the pressing plate 24 can be adjusted.

[0032] As Figure 2 、 Figure 3 shown, the first pusher 1 includes an upper connecting block 11, a lower connecting block 12 and a first push rod 13. The movable groove is opened on the upper connecting block 11. The upper connecting block 11 is fixedly connected to the lower connecting block 12, and one end of the first push rod 13 is fixed on the lower connecting block 12.

[0033] As Figure 3 shown, two or more slots 121 are opened on the lower connecting block 12, and two or more insertion plates 111 are provided on the upper connecting block 11. The number of insertion plates 111 is the same as the number of slots 121. Each insertion plate 111 is movably connected to one of the slots 121 respectively, and the insertion plate 111 is fixed to the lower connecting block 12 by a first mounting screw.

[0034] As Figure 3 shown, first kidney-shaped holes are opened on both sides of the lower connecting block 12. Each first kidney-shaped hole communicates with one of the slots 121 respectively. First mounting holes are opened on the two outermost insertion plates 111 respectively. The first mounting screw passes through the first kidney-shaped hole and is fixed in the first mounting hole. By providing the first kidney-shaped hole, the relative position of the upper connecting block 11 and the lower connecting block 12 can be adjusted. As Figure 2As shown in the figure, a second kidney-shaped hole is formed in the second connecting block 23, and a second mounting hole is formed in the connecting seat 221. The second mounting screw passes through the second kidney-shaped hole and is fixed in the second mounting hole, and the relative positions of the second connecting block 23 and the connecting seat 221 can be adjusted. When boxing products of different heights, there is no need to remove the push head assembly. By adjusting the relative positions of the upper connecting block 11 and the lower connecting block 12, and synchronously adjusting the relative positions of the second connecting block 23 and the connecting seat 221 and the length of the connecting rod screwed into the second push rod 21, the position and initial state of the pressing plate 24 are adjusted, and the push rod mechanism is adjusted to quickly realize the switching of the boxing mechanism between products of different specifications.

[0035] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A push rod mechanism for a cartoning machine, characterized in that: The invention comprises a first push head and a second push head, wherein the second push head can move horizontally relative to the first push head, the first push head is provided with a movable groove penetrating along the direction of horizontal movement of the second push head, the second push head comprises a second push rod, a flipping assembly, a second connecting block and a pressing plate, the flipping assembly is arranged at one end of the second push rod, the second connecting block is fixed on the flipping assembly, and one end of the pressing plate passes through the movable groove and is fixed to the second connecting block.

2. A cartoning machine push rod mechanism as claimed in claim 1, characterized in that: One end of the pressing plate passes through the movable groove and is fixed to the bottom of the second connecting block.

3. A cartoning machine push rod mechanism as claimed in claim 1, characterized in that: The flip assembly includes a connecting seat, a limiting rod, a guide rod, a spring and a roller. The connecting seat is an L-shaped structure, one end of the connecting seat is hinged to one end of the second push rod, a through groove is provided on the connecting seat, one end of the limiting rod passes through the groove and is fixed to the end surface of the second push rod, one end of the guide rod is fixed to the end surface of the second push rod, and the other end is movably placed in the groove, the spring is sleeved on the outside of the guide rod, the two ends of the spring are respectively fixed on the connecting seat and the second push rod, the roller is arranged on the top end surface of the connecting seat, and the second connecting block is fixed on the side of the connecting seat away from the roller.

4. A cartoning machine push rod mechanism as claimed in claim 3, characterized in that: The limiting rod comprises a limiting block and a connecting rod, one end of the connecting rod is fixed on the limiting block, and the other end passes through the groove and is threadedly connected to the second push rod, and the limiting block is placed outside the groove.

5. A cartoning machine push rod mechanism as claimed in claim 1, characterized in that: The first push head includes an upper connecting block, a lower connecting block and a first push rod, the movable groove is arranged on the upper connecting block, the upper connecting block is fixedly connected to the lower connecting block, and one end of the first push rod is fixed on the lower connecting block.

6. A cartoning machine push rod mechanism as claimed in claim 5, characterized in that: The lower connecting block is provided with two or more slots, and the upper connecting block is provided with two or more plug-ins, the number of the plug-ins is the same as the number of the slots, each of the plug-ins is movably connected to one of the slots, and the plug-ins are fixed to the lower connecting block by a first mounting nail.

7. A cartoning machine push rod mechanism as claimed in claim 6, characterized in that: First waist-shaped holes are respectively provided on both sides of the lower connecting block, each of the first waist-shaped holes is communicated with a slot, and first mounting holes are respectively provided on the two outermost plug plates, and the first mounting nails are fixed in the first mounting holes after passing through the first waist-shaped holes.

8. A cartoning machine push rod mechanism as claimed in claim 3, characterized in that: The second connecting block is provided with a second waist-shaped hole, the connecting seat is provided with a second mounting hole, and further comprises a second mounting nail, the second mounting nail passes through the second waist-shaped hole and is fixed in the second mounting hole.

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