Multi-layer board pressing device

Abstract

The utility model relates to the technical field of multi-layer board processing equipment, in particular to a multi-layer board pressing device which comprises a device frame, a pressing platform is arranged on the device frame, a pressing station is arranged on the pressing platform, a pressing lower die with a forming groove is installed on the pressing station, and the device frame is further provided with a portal frame. A downward telescopic cylinder is further installed below the portal frame, an upper pressing die with a downward pressing face is installed below the telescopic cylinder, the upper pressing die is matched with the lower pressing die, the telescopic cylinder comprises a cylinder barrel and a piston, and the cylinder barrel is provided with a barrel cavity. The cylinder cavities comprise a first cylinder cavity, a second cylinder cavity and a third cylinder cavity from inside to outside; the outer cylinder cavity is arranged around the inner cylinder cavity; the multi-layer board pressing device has the advantages of being beneficial to discharging redundant bonding glue between the multi-layer boards and guaranteeing product quality.

Description

Technical Field

[0001] The utility model relates to the technical field of multilayer board processing equipment, in particular to a multilayer board pressing device. Background Art

[0002] The multi-layer board is formed by applying adhesive to the side of the multi-layer veneer board and pressing the multi-layer veneer board. The pressing of the multi-layer veneer board is completed in a multi-layer board pressing device.

[0003] The multilayer board pressing device includes a device frame, on which is a pressing platform, above which is a pressing station, on which is installed a lower pressing mold with a molding groove, and the device frame also has a gantry frame, under which is installed a downward telescopic cylinder, under which is installed an upper pressing mold with a pressing head, and the upper pressing mold and the lower pressing mold are matched.

[0004] Since adhesive is coated between the multilayer boards, the adhesive is still in a non-solidified paste state during the pressing process; in the prior art, the telescopic cylinder and the pressing upper mold are respectively integrated, that is, the pressing surface below the pressing upper mold is integrated, that is, the pressing plane below the pressing upper mold is pressed together by moving downward, and during the pressing process, the adhesive is still in a non-solidified paste state, and the excess adhesive in the middle part of the multilayer board is not easy to discharge, and the adhesive often causes the multilayer board to break, affecting the product quality. Summary of the invention

[0005] The purpose of the utility model is to provide a multilayer board pressing device which is conducive to the discharge of excess adhesive between multilayer boards and ensures product quality in view of the above shortcomings.

[0006] The practical technical solution is as follows: a multilayer board pressing device comprises a device frame, a pressing platform is provided on the device frame, a molding station is located above the pressing platform, a pressing lower mold with a molding groove is installed on the molding station, the device frame also comprises a gantry frame, a downward telescopic cylinder is also installed below the gantry frame, a pressing upper mold with a downward pressing surface is installed below the telescopic cylinder, the pressing upper mold and the pressing lower mold are matched, the telescopic cylinder comprises a cylinder barrel and a piston, and the cylinder barrel has a barrel cavity; its characteristics are: the barrel cavity comprises a plurality of barrel cavities from inside to outside, namely a first barrel cavity, a second barrel cavity, and a third barrel cavity; the outer barrel cavity is arranged around the inner barrel cavity; the piston comprises a plurality of pistons from inside to outside, namely a first piston, a second piston, and a third barrel cavity. A piston is provided on the outside of the cylinder, and a third piston is provided on the outside of the cylinder. The outer piston is provided around the inner piston. There are multiple pressing upper molds, which are respectively the first mold, the second mold and the third mold from the inside to the outside. Multiple pressing upper molds from the inside to the outside are respectively installed on the pistons from the inside to the outside. The pressing upper mold has a pressing surface below, and the pressing surfaces below the multiple pressing upper molds form a complete pressing surface. There are also multiple air inlet pipes respectively connected to the first cylinder cavity, the second cylinder cavity and the third cylinder cavity, which are respectively the first air inlet pipe, the second air inlet pipe and the third air inlet pipe. Valves are installed in the middle of the air inlet pipes, which are respectively the first valve, the second valve and the third valve. The valves are connected to the control device. Under the action of the control device, the first valve, the second valve and the third valve are opened in sequence. The molding stations are pressed one after another.

[0007] The beneficial effect of the utility model is that such a multi-layer board pressing device has the advantages of being conducive to the discharge of excess adhesive between the multi-layer boards and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a side structural schematic diagram of the utility model.

[0009] Figure 2 yes Figure 1 Schematic diagram of the structure in the AA direction.

[0010] Figure 3 yes Figure 1 Schematic diagram of the structure in the BB direction.

[0011] Figure 4 yes Figure 1 Schematic diagram of the structure in CC direction.

[0012] Wherein: 1. device frame 11, pressing platform 12, pressing lower mold 2, gantry 3, telescopic cylinder 31, first cylinder cavity 311, first piston 32, second cylinder cavity 321, second piston 33, third cylinder cavity 331, third piston 4, pressing head 5, pressing upper mold 51, first mold 52, second mold 53, third mold 6, air inlet pipe 61, first air inlet pipe 611, first valve 62, second air inlet pipe 621, second valve 63, third air inlet pipe 631, third valve 7, control device. DETAILED DESCRIPTION

[0013] The utility model will be further described below in conjunction with the accompanying drawings.

[0014] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] like Figure 1 , 2As shown in Figures 3 and 4, a multilayer board pressing device comprises a device frame 1, on which a pressing platform 11 is provided, above the pressing platform is a molding station, on which a pressing lower mold 12 having a molding groove is installed, the device frame also comprises a gantry frame 2, below which a telescopic cylinder 3 facing downward is installed, below which an upper pressing mold 5 having a pressing surface 4 facing downward is installed, the upper pressing mold and the lower pressing mold are matched, the telescopic cylinder comprises a cylinder barrel and a piston, and the cylinder barrel has a barrel cavity; the characteristic is that: the barrel cavity comprises a plurality of barrel cavities from inside to outside, namely a first barrel cavity 31, a second barrel cavity 32, and a third barrel cavity 33; the outer barrel cavity is arranged around the inner barrel cavity; the piston comprises a plurality of pistons from inside to outside, namely a first piston 311, a second piston 321, a third piston 33. Plug 331, the outer piston is arranged around the inner piston; there are multiple pressing upper molds, and the multiple pressing upper molds are respectively the first mold 51, the second mold 52, and the third mold 53 from the inside to the outside; multiple pressing upper molds from the inside to the outside are respectively installed on the pistons from the inside to the outside; the pressing upper mold has a lower pressing surface, and the lower pressing surfaces of the multiple pressing upper molds form a complete pressing surface; there are also multiple air inlet pipes 6 that are respectively connected to the first cylinder cavity, the second cylinder cavity, and the third cylinder cavity, which are respectively the first air inlet pipe 61, the second air inlet pipe 62, and the third air inlet pipe 63, and valves are installed in the middle of the air inlet pipes, which are respectively the first valve 611, the second valve 621, and the third valve 631, and the valves are connected to the control device 7. Under the action of the control device, the first valve, the second valve and the third valve are opened in turn; and the molding stations are pressed one after another.

[0016] Design principle, the above arrangement of the utility model, in the process of pressing the multilayer board, first press the middle part of the multilayer board, that is, open the first valve, and the first mold presses the middle part of the multilayer board, so that the adhesive in this part is discharged outward, and then open the outer molds in turn, so that the excess adhesive is gradually discharged outward, and finally the adhesive is discharged from around the multilayer board, reducing the phenomenon of adhesive cracking between the multilayer boards, which is beneficial to improving product quality and can achieve the purpose of the utility model.

[0017] In the present invention, the plurality of pistons is not limited to three, for example, it can be four, five, six, etc.

[0018] In the description of the present invention, it should be noted that the terms "front", "rear", "left", "right", "vertical", "horizontal", "inside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", "fourth", and "fifth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

Claims

1. A multilayer board pressing device, comprising a device frame, a pressing platform on the device frame, a molding station on the pressing platform, a pressing lower mold with a molding groove installed on the molding station, a gantry frame on the device frame, a downward telescopic cylinder installed under the gantry frame, an upper pressing mold with a downward pressing surface installed under the telescopic cylinder, the upper pressing mold and the lower pressing mold are matched, the telescopic cylinder comprises a cylinder barrel and a piston, and the cylinder barrel has a barrel cavity; its characteristics are: The barrel cavity includes a plurality of barrel cavities from inside to outside, namely a first barrel cavity, a second barrel cavity, and a third barrel cavity; The outer cylinder cavity is arranged around the inner cylinder cavity; the piston includes multiple pistons from the inside to the outside, which are the first piston, the second piston, and the third piston, and the outer piston is arranged around the inner piston; there are multiple pressing upper molds, and the multiple pressing upper molds are the first mold, the second mold, and the third mold from the inside to the outside; the multiple pressing upper molds from the inside to the outside are respectively installed on the pistons from the inside to the outside; the pressing upper mold has a lower pressing surface, and the lower pressing surfaces of the multiple pressing upper molds form a complete pressing surface; there are also multiple air intake pipes that are connected to the first cylinder cavity, the second cylinder cavity, and the third cylinder cavity, which are the first air intake pipe, the second air intake pipe, and the third air intake pipe, respectively. Valves are installed in the middle of the air intake pipes, which are the first valve, the second valve, and the third valve, respectively. The valves are connected to the control device, and under the action of the control device, the first valve, the second valve, and the third valve are opened in sequence; and the molding stations are pressed one after another.

Images