A sinking paperboard feed for a carton forming machine

Abstract

The utility model relates to paperboard feeding technology field of carton forming machine, disclose a sinking type paperboard feeding device of carton forming machine, including for material frame and material table, material frame is provided with L shaped stand, and the both sides of material frame bottom are provided with support platform, and support platform is provided with first drive arrangement, and first drive arrangement is provided with push -plate, material table is provided with guide mouth, guide post, movable plate, and movable plate upper end is provided with the push -block that passes through guide mouth and extends to material table top, the utility model has the advantages that: paperboard is placed in material frame, and the paperboard at material frame bottom is pushed to material table through push -plate, then the paperboard is transported from material frame bottom through push -block, makes paperboard feeding, and sinking type paperboard feeding structure makes the material conveying equipment also set below material frame, reduces the occupied volume of equipment rack top mechanism part, saves the cost, when the staff adds paperboard to material frame for standby, need not avoid or shut down paperboard material conveying equipment, and the feeding mode is quick, and the safety is high.

Description

Technical Field

[0001] This utility model relates to the field of cardboard feeding technology for cardboard forming machines, and in particular to a sinking cardboard feeding device for cardboard forming machines. Background Technology

[0002] In the production process of a cardboard box forming machine, the cardboard feeding stage is a critical step affecting overall production efficiency and safety. Traditional cardboard feeding devices typically use horizontal or vertical feeding methods to separate cardboard pieces from the rack and transport them to the forming station one by one. However, with these traditional devices, operators need to frequently avoid or shut down the conveying equipment when adding cardboard, otherwise it may cause mechanical interference or safety hazards, affecting operational efficiency.

[0003] In the paper box and cardboard automatic magnetic frame folding machine disclosed in Chinese patent CN222959339U, the structure of its feeding mechanism can avoid the situation where workers frequently avoid or shut down the material conveying equipment when adding cardboard. However, such feeding mechanism is highly complex, occupies a large volume, and will significantly increase the manufacturing cost of the paper box forming machine. In view of this, the inventor has made a new invention. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of the existing technology by providing a sinking cardboard feeding device for a cardboard box forming machine, which has the advantages of low cost and high safety.

[0005] To achieve the above objectives, this utility model provides a sunken cardboard feeding device for a cardboard forming machine, comprising a rack for stacking cardboard and a platform for transporting cardboard. The rack is positioned above the platform, with L-shaped columns at its four corners and support platforms on the left and right sides of the bottom of the rack. Each support platform is equipped with a first driving device, which has a retractable push plate. There is a gap between the L-shaped columns and the support platforms, allowing the push plate to extend into the rack through the gap and push the bottom cardboard from the rack onto the platform.

[0006] The material platform is provided with a guide opening, and the bottom of the material platform is provided with a guide post parallel to the guide block and a movable plate movably connected to the guide post. The upper end of the movable plate is provided with a push block that extends through the guide opening to the top of the material platform. The material platform is provided with a second driving device that can drive the movable plate to move, so that the push block pushes the cardboard on the material platform.

[0007] Furthermore, the first driving device is provided with a rotating rod and a connecting plate, and multiple push plates are provided, all of which are fixedly connected to the connecting plate. An eccentric block is provided on the rotating rod, and a connecting rod is provided between the eccentric block and the connecting plate. The first driving device is provided with a first motor that drives the rotating rod to rotate back and forth.

[0008] Furthermore, the first driving device is provided with a positioning plate, the positioning plate is provided with positioning holes, and the connecting plate is provided with a balance bar that is movably connected to the positioning holes.

[0009] Furthermore, the support platforms are spaced apart, and each support platform is equipped with a shovel plate.

[0010] Furthermore, the material platform is provided with first slide rails on both sides, and each first slide rail is provided with a first slider and a second slider. The support platform and the first driving device on one side of the bottom of the material rack are connected to the first slider, and the support platform and the first driving device on the other side of the bottom of the material rack are connected to the second slider.

[0011] Furthermore, the second drive device is equipped with a second motor and a transmission screw, both of which are equipped with synchronous pulleys. A transmission belt is provided between the two synchronous pulleys, and the transmission screw is threadedly connected to the movable plate.

[0012] Furthermore, a guide bar is provided above the material platform to calibrate the position of the cardboard, and a limiting block is also provided above the material platform to restrict the movement of the cardboard.

[0013] Beneficial Effects: Compared with the prior art, the sunken cardboard feeding device for a cardboard box forming machine of this utility model includes a material rack and a material platform. The material rack is equipped with L-shaped columns, and support platforms are provided on the left and right sides of the bottom of the material rack. The support platforms are equipped with a first driving device, and the first driving device is equipped with a push plate. The material platform is equipped with a guide opening, a guide column, and a movable plate. A push block is provided at the upper end of the movable plate, which extends through the guide opening to the top of the material platform. This utility model has the following advantages: Cardboard is placed in the material rack, and the push plate pushes the cardboard at the bottom of the material rack to the material platform. Then, the push block transports the cardboard from the bottom of the material rack, thus feeding the cardboard. The sunken cardboard feeding structure allows the conveying equipment to also be located below the material rack, reducing the volume occupied by the mechanical components above the machine frame and saving costs. When the operator adds cardboard to the material rack for later use, there is no need to avoid or shut down the cardboard conveying equipment. The feeding method is fast and safe. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a partial structural diagram of the top surface of the material platform of this utility model.

[0016] Figure 3 This is a partial structural diagram of the bottom surface of the material platform of this utility model.

[0017] Figure 4 This is a schematic diagram of the cross-sectional shape of the support platform of this utility model.

[0018] The reference numerals in the figures include:

[0019] Material rack--1, base--11, guide rod--12, movable plate--13, slide rail--131, L-shaped column--14, slider--141, material trough--15, support bar--16, groove--17, material platform--2, through hole--21, guide port--22, paper suction device--3, suction cup--31, support frame--32, first cylinder--33, material conveying device--4, pusher--41, guide rail--42, moving module--43, second cylinder--44, straight rod--45, motor--46. Detailed Implementation

[0020] The following is in conjunction with the appendix Figures 1 to 4 This utility model will be described in detail.

[0021] This utility model discloses a sunken cardboard feeding device for a cardboard box forming machine, comprising a rack for stacking cardboard and a platform for transporting cardboard. The rack is positioned above the platform, with L-shaped columns at its four corners. The cardboard box forming machine is used to fold cardboard into boxes, catering to different folding requirements. Cardboard shapes vary, and this rack is particularly suitable for rectangular cardboard. The L-shaped columns correspond to the four outer corners of the cardboard, ensuring precise and stable stacking within the rack. Support platforms are located on the left and right sides of the bottom of the rack, with the bottommost cardboard contacting these platforms. Each support platform is equipped with a first driving device, which includes a retractable push plate. A gap exists between the L-shaped columns and the support platforms, allowing the push plate to extend through this gap into the rack and push the bottommost cardboard onto the platform. Specifically, the cardboard is stacked in the rack, and the two support platforms support the bottom cardboard. When feeding, the pusher plate on the left first extends into the rack and pushes the cardboard to the right side of the rack, causing the cardboard to shift and leave the left support platform. Under the action of gravity, the left side of the cardboard will sink slightly, making the height of the left side of the cardboard lower than the support platform. Then the pusher plate on the right pushes the cardboard to the left. Since the cardboard has lost the support of the left support platform at this time, when the cardboard is pushed to the point of detaching from the right support platform, the cardboard loses the support of all the support platforms and falls onto the rack, and the feeding of a single cardboard is completed.

[0022] The material platform is equipped with a guide opening. At the bottom of the platform are guide pillars parallel to the guide blocks and a movable plate movably connected to the guide pillars. A pusher block extends through the guide opening and above the platform from the upper end of the movable plate. The platform is equipped with a second driving device that can displace the movable plate, causing the pusher block to push the cardboard on the platform. After the cardboard falls onto the platform, the second driving device drives the movable plate to displace, causing the pusher block to move along the guide opening. During this movement, the pusher block pushes the cardboard to a designated position, allowing it to be fed into the box forming machine so that the feeding device can grab and load the cardboard. The recessed cardboard feeding structure allows the conveying equipment to be located below the material rack, reducing the volume occupied by the upper components of the machine frame and saving costs. When adding cardboard to the rack for later use, workers do not need to avoid or shut down the cardboard conveying equipment; the feeding method is fast and safe.

[0023] The first driving device is equipped with a rotating rod and a connecting plate. Multiple push plates are provided, all fixedly connected to the connecting plates. An eccentric block is provided on the rotating rod, and a connecting rod is provided between the eccentric block and the connecting plate. The first driving device is equipped with a first motor that drives the rotating rod to rotate back and forth. In this design, each connecting plate is equipped with at least two push plates, and the two push plates are close to the L-shaped column. The rotating rod, eccentric block, and connecting rod are interconnected to form a swing arm structure. The first motor drives the connecting plate to move, causing the push plates to push the cardboard out. By having the connecting plate carry multiple push plates to simultaneously push the cardboard, stability and feeding accuracy can be improved, and cardboard misalignment can be avoided.

[0024] The first driving device is equipped with a positioning plate with positioning holes, and a connecting plate is equipped with a balance rod that is movably connected to the positioning holes. In this design, the positioning holes have a certain depth, and after the balance rod is connected to the positioning holes, the balance rod can maintain stable extension and retraction, which can avoid the connection plate from having height differences during displacement and improve stability.

[0025] The support platforms are spaced apart, and each support platform is equipped with a shovel plate. The space between the two support platforms allows for the feeding of cardboard, which is usually made of stiff cardboard. Even if one side of the cardboard detaches from the support platform, the cardboard will not tilt significantly. The shovel plate is formed by the top surface of the support platform and the bottom slope of the support platform, creating an acute angle at the edge of the support platform to facilitate the feeding of cardboard.

[0026] The material rack has first slide rails on both sides, each slide rail having a first slider and a second slider. A support platform and a first drive device on one side of the bottom of the material rack are connected to the first slider, while a support platform and a first drive device on the other side of the bottom of the material rack are connected to the second slider. The support platform has a second slide rail, and a third slider is mounted on the second slide rail. The L-shaped columns have connecting blocks that connect to the corresponding third sliders. By adjusting the positions of the first and second sliders, the distance between the two support platforms can be adjusted, thus changing the width of the material rack. By adjusting the position of the third slider, the distance between the L-shaped columns can be adjusted, thus changing the length of the material rack. This allows for the processing of various sizes of cardboard.

[0027] The second drive device is equipped with a second motor and a transmission screw. Both the second motor and the transmission screw are equipped with synchronous pulleys, and a transmission belt is provided between the two synchronous pulleys. The transmission screw is threadedly connected to the movable plate. The second motor is located inside the material platform, and the transmission screw is indirectly driven to rotate through the synchronous pulleys, causing the movable plate to move. This structure can reduce the length of the second drive device, thereby reducing the volume of the material platform and the space occupied by the equipment.

[0028] A guide bar is installed above the material platform to calibrate the position of the cardboard. A limiting block is also installed above the material platform to restrict the movement of the cardboard. After the cardboard falls onto the material platform, the pusher uses one side of the cardboard as the contact surface to push it out of position. However, the equipment will always vibrate, and the cardboard will inevitably shift laterally during the displacement process, causing misalignment. The guide bar calibrates the position of the cardboard, ensuring precise displacement to the designated location. The pusher moves the cardboard relatively quickly; after the pusher stops, the cardboard will have some inertia. The limiting block stops the cardboard, keeping it in place at the designated position.

[0029] The left and right sides in this utility model description are only used as directional references and have no special meaning.

[0030] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this invention. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A sunken cardboard feeding device for a cardboard box forming machine, comprising a rack for stacking cardboard and a platform for transporting cardboard, characterized in that: The material rack is set above the material platform. L-shaped columns are set at the four corners of the material rack. Support platforms are set on the left and right sides of the bottom of the material rack. Each support platform is equipped with a first driving device. The first driving device is equipped with a retractable push plate. There is a gap between the L-shaped columns and the support platforms. The push plate can extend into the material rack through the gap to push the bottom cardboard in the material rack onto the material platform. The material platform is provided with a guide opening, and the bottom of the material platform is provided with a guide post parallel to the guide block and a movable plate movably connected to the guide post. The upper end of the movable plate is provided with a push block that extends through the guide opening to the top of the material platform. The material platform is provided with a second driving device that can drive the movable plate to move, so that the push block pushes the cardboard on the material platform.

2. The sunken cardboard feeding device for a cardboard box forming machine according to claim 1, characterized in that: The first driving device is provided with a rotating rod and a connecting plate. Multiple push plates are provided and are all fixedly connected to the connecting plate. An eccentric block is provided on the rotating rod. A connecting rod is provided between the eccentric block and the connecting plate. The first driving device is provided with a first motor that drives the rotating rod to rotate back and forth.

3. The sunken cardboard feeding device for a cardboard box forming machine according to claim 2, characterized in that: The first driving device is provided with a positioning plate, the positioning plate is provided with positioning holes, and the connecting plate is provided with a balance bar that is movably connected to the positioning holes.

4. The sunken cardboard feeding device for a cardboard box forming machine according to claim 1, characterized in that: The support platforms are spaced apart, and each support platform is equipped with a shovel plate.

5. The sunken cardboard feeding device for a cardboard box forming machine according to claim 1, characterized in that: The material platform is provided with first slide rails on both sides, and each first slide rail is provided with a first slider and a second slider. The support platform and the first driving device on one side of the bottom of the material rack are connected to the first slider, and the support platform and the first driving device on the other side of the bottom of the material rack are connected to the second slider.

6. The sunken cardboard feeding device for a cardboard box forming machine according to claim 1, characterized in that: The second drive device is equipped with a second motor and a transmission screw. Both the second motor and the transmission screw are equipped with synchronous pulleys. A transmission belt is provided between the two synchronous pulleys. The transmission screw is threadedly connected to the movable plate.

7. A recessed cardboard feeding device for a cardboard box forming machine according to any one of claims 1 to 6, characterized in that: A guide bar is provided above the material platform to calibrate the position of the cardboard. A limiting block is also provided above the material platform to restrict the movement of the cardboard.

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