Plate feeding and discharging system of full-automatic multi-layer press

Abstract

The utility model discloses a full-automatic multi-layer press plate feeding and discharging system which comprises a base, a plate storage frame is rotatably arranged on the upper portion in the base through a rotating shaft, a conveying belt is rotatably arranged in the middle of the plate storage frame, and a weight sensor is further arranged on the plate storage frame on the lower side of the conveying belt. A conveying belt is arranged on the base, a transmission motor of the conveying belt, the weight sensor and the motor are all electrically connected with a PLC control cabinet outside the base, and a rack lifting mechanism is further arranged on the base of the plate storage frame. Meanwhile, the weight of plates stored on the upper portion of the conveying belt is sensed through a weight sensor, when the placed weight reaches a rated value, a motor and a gear set drive a rotating shaft and a plate storage frame to horizontally rotate to be adjusted to the plate inlet and outlet end of another press, and the plates are conveyed to another plate machining station through the conveying belt; therefore, automatic plate feeding and discharging operation treatment of the plates at the two plate machining stations is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing equipment, in particular to a full-automatic multi-layer press plate inlet and outlet system. Background Art

[0002] Plywood, also known as multi-layer board, is one of the commonly used materials for furniture. It is usually made of three or more layers of board material that is peeled into veneers from wood segments or sliced ​​into thin wood from wood blocks, and then glued together with adhesives and other materials. The fibers of adjacent layers of veneers are glued perpendicular to each other. Then, the multi-layer veneers coated with adhesive need to be placed in a hot press to heat and pressurize them so that the multi-layer veneers can be bonded to each other and remain flat. The board inlet and outlet system is required during the board pressing process.

[0003] The prior art discloses a fully automatic multi-layer hot press board loading and unloading system with application number 201721279457.6, which comprises a feeding frame arranged at the feeding end of the hot press, wherein the feeding frame is provided with a board loading and unloading mechanism and a board one-way mechanism, and a tray is driven by a horizontal translation mechanism to realize synchronous feeding of plywood into the hot press and unloading of the board at the same time, so that the board can be automatically loaded and unloaded in an integrated manner without manual operation, and the board can be neatly placed without correction and adjustment, thereby saving labor, greatly improving production efficiency, effectively ensuring the flat bonding of plywood, and obtaining higher economic benefits. However, it is difficult to meet the practical processing of loading and unloading boards at different horizontal angles and different heights, resulting in low loading and unloading efficiency. Utility Model Content

[0004] The utility model aims to provide a fully automatic multi-layer press board inlet and outlet system to solve the problem in the prior art that it is difficult to meet the practical processing of boards inlet and outlet at different horizontal angles and different heights, resulting in low efficiency of boards inlet and outlet.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fully automatic multi-layer press board loading and unloading system, comprising a base, a board storage rack is provided on the upper inner part of the base through a rotating shaft, one end of the rotating shaft is connected to a motor through a gear set, a conveyor belt is provided on the middle part of the board storage rack for rotation, a weight sensor is also provided on the board storage rack on the lower side of the conveyor belt, the transmission motor, weight sensor and motor of the conveyor belt are electrically connected to the PLC control cabinet outside the base, two slides are provided on the upper inner part of the board storage rack for sliding toward each other through a screw, and limit rods are provided on the upper sides of both ends of the slides, and a rack lifting mechanism is also provided on the base of the board storage rack.

[0006] Furthermore, the conveyor belt is a rubber conveyor belt, and anti-slip protrusions are provided on the outer side of the conveyor belt.

[0007] Further, both ends of the conveyor belt are provided with conveyor wheels, and both ends of the conveyor wheels are rotatably arranged on both sides of the storage rack through a conveyor shaft, a connecting arm and a bearing, and one end of the conveyor shaft is drivingly connected with a conveying motor.

[0008] Further, two groups of limiting rods are arranged in parallel, and rollers are rotatably arranged on the outer sides of the limiting rods, and the lower parts of the limiting rods are slidably arranged in the guiding sliding holes on the upper part of the storage rack.

[0009] Further, the rotating shaft includes a first support shaft, a second support shaft is slidably inserted into the upper side inside the first support shaft, a limiting groove is formed inside the first support shaft, and the outer part of the second support shaft is longitudinally slidably arranged with the limiting groove through a limiting rib.

[0010] Further, the gear set includes a driven gear arranged on the outer side of the lower part of the second support shaft, and one end of the motor is drivingly connected with a driving gear meshed with the driven gear.

[0011] Further, the rack lifting mechanism includes a hydraulic cylinder, one end of the hydraulic cylinder is drivingly connected with a lifting plate, and the upper end surface of the lifting plate is parallel to the lower end surface of the storage rack.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The present utility model places the storage rack in the middle of the inlet and outlet ends of multiple presses for storing the plates discharged by one press. At the same time, the weight sensor senses the weight of the plates stored on the upper part of the conveyor belt. When the placed weight reaches the rated value, the rotating shaft and the storage rack are driven by the motor and the gear set to horizontally rotate and adjust to one end of the inlet and outlet of another press, and the plates are conveyed to another plate processing station through the conveyor belt, so as to realize the automatic inlet and outlet plate operation processing of the plates between two plate processing stations. Moreover, the inlet and outlet plate efficiency is relatively high, the whole machine is compact, and the operation is convenient.

[0014] 2. In the present utility model, two sliding plates are slidably arranged towards each other inside the upper part of the storage rack through a lead screw, and limiting rods are arranged on the upper sides of both ends of the sliding plates, so that the two sides of the plates placed on the storage rack can be limited by the limiting rods, which is beneficial to improving the accuracy of the plates entering and leaving the storage rack. Moreover, the two limiting rods are controlled by the lead screw to move towards each other for adjustment, so as to meet the limiting treatment of the two sides of plates with different specifications.

[0015] 3. In the present utility model, a rack lifting mechanism is further arranged on the base of the storage rack. The rack lifting mechanism includes a hydraulic cylinder, one end of the hydraulic cylinder is drivingly connected with a lifting plate, and the upper end surface of the lifting plate is parallel to the lower end surface of the storage rack, so that the lifting plate can be driven by the hydraulic cylinder to lift and adjust, thereby being able to adjust the use height of the storage rack, and further meeting the use requirements of the storage rack for entering and leaving plates at different heights. Description of the Drawings

[0016] The accompanying drawings are used to provide a further understanding of the present utility model and form a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the accompanying drawings:

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a front view of the overall structure of the present utility model;

[0019] Figure 3 is a schematic diagram of the structure of the rack lifting mechanism of the present utility model;

[0020] Figure 4 is a top view of the structure of the rotating shaft of the present utility model.

[0021] In the figure: 1, base; 2, plate storage rack; 3, limiting rib; 4, sliding plate; 5, lead screw; 6, limiting rod; 7, roller; 8, connecting arm; 9, transmission wheel; 10, conveyor belt; 11, weight sensor; 12, first support shaft; 13, second support shaft; 14, driven gear; 15, driving gear; 16, motor; 17, hydraulic cylinder; 18, lifting plate; 19, PLC control cabinet; 20, guiding sliding hole; 21, transmission shaft; 22, conveying motor; 23, limiting groove. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , in the embodiment of the present utility model, a full-automatic multi-layer press in-out board system includes a base 1. Inside the upper part of the base 1, a plate storage rack 2 is rotatably provided through a rotating shaft for storing the plates discharged by a press. One end of the rotating shaft is drivingly connected to a motor 16 through a gear set. The gear set includes a driven gear 14 provided on the outer side of the lower part of the second support shaft 13. One end of the motor 16 is drivingly connected to a driving gear 15 meshing with the driven gear 14, which is convenient for driving the plate storage rack 2 to horizontally rotate and adjust through the motor 16 and the gear set, so as to meet the in-out boards at different horizontal angles.

[0024] Such as Figure 1 andFigure 2 As shown, in order to realize the automatic in-and-out board operation processing of the board at two board processing stations, a conveyor belt 10 is rotatably arranged in the middle of the board storage rack 2. Transmission wheels 9 are arranged at both ends of the conveyor belt 10, and both ends of the transmission wheels 9 are rotatably arranged on both sides of the board storage rack 2 through transmission shafts 21, connecting arms 8 and bearings. One end of the transmission shaft 21 is drivingly connected with a conveying motor 22. Driven by the conveying motor 22, the conveyor belt 10 is arranged parallel and closely attached to the upper surface of the board storage rack 2. The conveyor belt 10 is a rubber conveyor belt, and anti-slip protrusions are arranged on the outer side of the conveyor belt 10, increasing the anti-slip property outside the conveyor belt 10 and preventing the board from slipping during transmission. A weight sensor 11 is also arranged on the board storage rack 2 below the conveyor belt 10. The driving motor of the conveyor belt 10, the weight sensor 11 and the motor 16 are all electrically connected to the PLC control cabinet 19 outside the base 1. By the weight sensor 11 sensing the weight of the board stored above the conveyor belt 10, when the placed weight reaches the rated value, the weight sensor 11 transmits a signal to the control cabinet, and the control cabinet will control the motor 16 and the gear set to drive the rotating shaft and the board storage rack 2 to horizontally rotate and adjust to the in-and-out board end of another press, and convey the board to the board processing station of another machine by controlling the conveyor belt 10, so as to realize the automatic in-and-out board operation processing of the board at two board processing stations.

[0025] As Figure 1 and Figure 2 As shown, in order to limit both sides of the board placed on the board storage rack and prevent the board from falling, two sliding plates 4 are slidably arranged towards each other in the upper part of the board storage rack 2 through a lead screw 5, and limiting rods 6 are arranged on the upper sides of both ends of the sliding plates 4, so that the limiting rods can limit both sides of the board placed on the board storage rack, which is beneficial to improving the accuracy of the board entering and leaving the board storage rack, and by controlling the lead screw to move the two limiting rods towards each other for adjustment, so as to meet the limiting processing of both sides of boards of different specifications; moreover, two groups of limiting rods 6 are arranged in parallel, and rollers 7 are rotatably arranged on the outer sides of the limiting rods 6. The lower parts of the limiting rods 6 are slidably arranged in the guiding sliding holes 20 in the upper part of the board storage rack 2, facilitating the horizontal transmission of the board between the limiting rods 6.

[0026] As Figure 1 and Figure 3 As shown, in order to adjust the use height of the board storage rack 2, a rack lifting mechanism is also arranged on the base 1 of the board storage rack 2. The rack lifting mechanism includes a hydraulic cylinder 17 arranged. One end of the hydraulic cylinder 17 is drivingly connected with a lifting plate 18, and the upper end surface of the lifting plate 18 is arranged parallel to the lower end surface of the board storage rack 2, so that by driving the lifting plate 18 to lift and adjust through the hydraulic cylinder 17, the use height of the board storage rack 2 can be adjusted, and further meet the processing of the board entering and leaving the board storage rack 2 at different heights.

[0027] As Figure 1 and Figure 3As shown in the figure, in order to telescopically adjust the rotating shaft to cooperate with the lifting mechanism of the frame, the rotating shaft includes a first support shaft 12. A second support shaft 13 is slidably inserted into the upper side inside the first support shaft 12. A limiting groove 23 is formed inside the first support shaft 12, and the outer side of the second support shaft 13 is longitudinally slidably arranged with the limiting groove 23 through a limiting rib 3. By longitudinally inserting and matching the two support shafts, the telescopic adjustment of the rotating shaft can be realized, which is convenient for cooperating with the lifting mechanism of the frame to adjust the lifting of the plate storage rack.

[0028] The working principle and usage process of the present utility model: When in use, place the plate storage rack in the middle of the inlet and outlet ends of multiple presses and connect to the external power supply, which is used to store the plates discharged from one press. The plates are longitudinally stacked on the plate storage rack 2 in sequence, and the weight sensor 11 senses the weight of the plates stored above the conveyor belt 10. When the placed weight reaches the rated value, the weight sensor 11 transmits a signal to the control cabinet, and the control cabinet will control the motor 16 and the gear set to drive the rotating shaft and the plate storage rack 2 to horizontally rotate and adjust to one end of the inlet and outlet of another press, and convey the plates to the plate processing station of another machine by controlling the conveyor belt 10, so as to realize the automatic inlet and outlet plate operation processing between two plate processing stations. Moreover, the inlet and outlet plate efficiency is relatively high, the whole machine is compact, and the operation is convenient.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A fully automatic multi-layer press board loading and unloading system, comprising a base (1), characterized in that: A plate storage rack (2) is rotatably provided in the upper inner part of the base (1) via a rotating shaft, one end of the rotating shaft is connected to a motor (16) via a gear set, a conveyor belt (10) is rotatably provided in the middle part of the plate storage rack (2), a weight sensor (11) is also provided on the plate storage rack (2) below the conveyor belt (10), the transmission motor of the conveyor belt (10), the weight sensor (11) and the motor (16) are all electrically connected to a PLC control cabinet (19) outside the base (1), two slide plates (4) are provided in the upper inner part of the plate storage rack (2) via a lead screw (5) for sliding toward each other, and limit rods (6) are provided on the upper sides of both ends of the slide plates (4), and a frame lifting mechanism is also provided on the base (1) of the plate storage rack (2).

2. A fully automatic multi-layer press board loading and unloading system according to claim 1, characterized in that: The conveyor belt (10) is a rubber conveyor belt, and anti-slip protrusions are provided on the outer side of the conveyor belt (10).

3. A fully automatic multi-layer press board loading and unloading system according to claim 2, characterized in that: Conveying wheels (9) are provided at both ends of the conveying belt (10), and both ends of the conveying wheel (9) are rotatably arranged on both sides of the plate storage rack (2) through a conveying shaft (21) and bearings, and one end of the conveying shaft (21) is drivingly connected to a conveying motor (22).

4. The fully automatic multi-layer press board loading and unloading system according to claim 1, characterized in that: The limiting rods (6) are arranged in two groups in parallel, and a roller (7) is rotatably arranged on the outer side of the limiting rods (6). The lower part of the limiting rods (6) is slidably arranged with a guide sliding hole (20) on the upper part of the plate storage rack (2).

5. The fully automatic multi-layer press board loading and unloading system according to claim 1, characterized in that: The rotating shaft comprises a first supporting shaft (12), a second supporting shaft (13) is slidably inserted into the upper side of the first supporting shaft (12), a limiting groove (23) is provided inside the first supporting shaft (12), and the second supporting shaft (13) is longitudinally slidably arranged on the outside with a limiting convex rib (3) and the limiting groove (23).

6. The fully automatic multi-layer press board loading and unloading system according to claim 5, characterized in that: The gear set comprises a driven gear (14) arranged on the outer side of the lower part of the second support shaft (13); one end of the motor (16) is drivingly connected to a driving gear (15) meshingly connected to the driven gear (14).

7. The fully automatic multi-layer press board loading and unloading system according to claim 1, characterized in that: The frame lifting mechanism comprises a hydraulic cylinder (17), one end of which is transmission-connected to a lifting plate (18), and the upper end surface of the lifting plate (18) is arranged parallel to the lower end surface of the plate storage rack (2).

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