Paper holder hydraulic machine

Abstract

A paper holder hydraulic machine comprises a machine body, an upper die assembly and a lower die assembly are arranged on the machine body, the upper die assembly moves up and down relative to the lower die assembly to achieve die opening and die closing, a hand clamping prevention device is arranged on one side of the upper die assembly and one side of the lower die assembly and comprises a driver and a supporting piece, and the driver is in driving connection with the supporting piece; in the mold opening state, the driver drives the supporting piece to move to the position between the upper mold assembly and the lower mold assembly, and during mold closing, the driver drives the supporting piece to move to be separated from the position between the upper mold assembly and the lower mold assembly. The anti-pinch device is additionally arranged on the paper holder hydraulic machine and comprises the driver and the supporting piece, the driver drives the supporting piece to move back and forth, the driver drives the supporting piece to move to the position between the upper die assembly and the lower die assembly in the die opening state, the upper die assembly can be prevented from falling downwards, and therefore the situation that when the upper die assembly falls due to faults, the upper die assembly cannot be damaged is avoided. And the hands of workers are pinched, so that safety accidents are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of paper tray production, in particular to a paper tray hydraulic press. Background Art

[0002] Chinese patent document number CN114875722A disclosed an automated paper tray forming machine with a flanging function on August 9, 2022, belonging to the field of paper tray forming technology, including two mounting plates, a pulp box is fixedly connected between the two mounting plates, and the tops of the two mounting plates are fixedly connected with mounting frames by screws. In the present invention, the lower mold is driven by a cylinder to move and close the film with the upper mold seat, so that the guide rod moves upward, and the linkage effect between the guide rod, the first flat plate and the second flat plate is utilized to transport the gas inside the second air bag to the inside of the first fixed box through the second air outlet hose. Under the action of the third spring, the gas inside the first fixed box enters the inside of the third air bag, driving the third flat plate, the round tube, the disc and the pin to move upward, and the impurities inside the filter hole are pushed out, so as to prevent more impurities from adhering to the inside of the filter hole after long-term use, which affects the suction work of the external vacuum pump, thereby preventing the molding quality of the paper tray from being affected. After the mold is opened, if the upper mold assembly fails and falls, it will easily pinch the hands of the staff, posing a major safety hazard.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The utility model aims to provide a paper support hydraulic press which has a simple structure, can prevent the upper mold assembly from falling, is safe and reliable, has high production efficiency and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A paper support hydraulic press designed for this purpose includes a machine body, on which an upper mold assembly and a lower mold assembly are arranged, and the upper mold assembly moves up and down relative to the lower mold assembly to realize mold opening and mold closing, and is characterized in that: an anti-pinch device is arranged on one side of the upper mold assembly and the lower mold assembly, and the anti-pinch device includes a driver and a support member, and the driver drives the connecting support member; in the mold opening state, the driver drives the support member to move between the upper mold assembly and the lower mold assembly, and when the mold is closed, the driver drives the support member to move to separate from the upper mold assembly and the lower mold assembly.

[0006] A sensor is provided on the machine body, the sensor is located on one side of the upper mold assembly, and the sensor is communicatively connected to the driver; in the mold opening state, the upper mold assembly acts on the sensor to make the driver drive the support to move between the upper mold assembly and the lower mold assembly.

[0007] A guide support assembly is arranged on one side of the lower die assembly, and the support member is supported on the guide support assembly.

[0008] The guide support assembly comprises a guide support plate and a slide rail arranged on the guide support plate. A slide block is arranged at the bottom of the support member, and the support member is slidably supported on the slide rail through the slide block.

[0009] The guide support assembly comprises a guide support plate, a guide groove is arranged on the guide support plate, and the support member is slidably supported on the guide support plate along the guide groove.

[0010] The guide support assembly also includes a first fixed block, which is fixed on the lower mold assembly. A first adjustment fixing hole is arranged on the guide support plate, and a first fixing hole is arranged on the first fixed block. The first fastener can be adjusted to pass through the first adjustment fixing hole and then be fastened and connected with the first fixing hole to fix the guide support plate on the first fixed block.

[0011] The first fixing block is provided with a second adjusting fixing hole, the lower mold assembly is provided with a second fixing hole, and the second fastener is adjustable through the second adjusting fixing hole and is fastened and connected with the second fixing hole, so that the first fixing block is fixed on the lower mold assembly.

[0012] A control device is arranged in the machine body, and the control device is electrically connected to the sensor and the driver respectively; when the mold is closed, the control device controls the driver to drive the support member to move to be separated from the upper mold component and the lower mold component.

[0013] The actuator is a pneumatic cylinder.

[0014] An oil cylinder assembly is arranged on the machine body, and the oil cylinder assembly drives and connects the upper mold assembly, and the oil cylinder assembly drives the upper mold assembly to move up and down.

[0015] The utility model adds an anti-pinch device to the paper support hydraulic press, the anti-pinch device includes a driver and a support member, the driver drives the support member to reciprocate, in the mold opening state, the driver drives the support member to move between the upper mold assembly and the lower mold assembly, which can prevent the upper mold assembly from falling downward, and further prevent the upper mold assembly from falling due to a malfunction and pinching the hands of workers, thereby effectively avoiding safety accidents, and in mold closing, the driver drives the support member to move between the upper mold assembly and the lower mold assembly to facilitate smooth mold closing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a partial structural schematic diagram of a paper support hydraulic press in one embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall structure of a paper support hydraulic press in one embodiment of the utility model.

[0018] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0019] Figure 4It is a schematic diagram of the exploded structure of the guide support assembly and the support member in the first application example of an embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the overall structure of the support member in the first application example of an embodiment of the utility model.

[0021] Figure 6 It is a schematic diagram of the exploded structure of the guide support assembly and the support member in the second application example of an embodiment of the utility model.

[0022] Figure 7 It is a schematic diagram of the assembly structure of the driver and the rear side plate in one embodiment of the utility model. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1-Figure 7 The paper support hydraulic press comprises a body a, on which an upper mold assembly 1 and a lower mold assembly 2 are arranged. The upper mold assembly 1 moves up and down relative to the lower mold assembly 2 to realize mold opening and mold closing. An anti-pinch device is arranged on one side of the upper mold assembly 1 and the lower mold assembly 2. The anti-pinch device comprises a driver 3 and a support member 4. The driver 3 drives the connecting support member 4. In the mold opening state, the driver 3 drives the support member 4 to move between the upper mold assembly 1 and the lower mold assembly 2. When the mold is closed, the driver 3 drives the support member 4 to move to a position between the upper mold assembly 1 and the lower mold assembly 2.

[0025] A sensor 5 is provided on the machine body a, and the sensor 5 is located on one side of the upper mold assembly 1. The sensor 5 is communicatively connected to the driver 3. In the mold opening state, the upper mold assembly 1 acts on the sensor 5. After the sensor 5 senses that the upper mold assembly 1 is in place, it sends a signal to the control device, and the control device controls the driver 3 to drive the support member 4 to move between the upper mold assembly 1 and the lower mold assembly 2.

[0026] A guide support assembly is provided on one side of the lower die assembly 2, and the support member 4 is supported on the guide support assembly.

[0027] The guide support assembly includes a guide support plate 6 and a slide rail 7 arranged on the guide support plate 6. A slider 14 is arranged at the bottom of the support member 4, and the support member 4 is slidably supported on the slide rail 7 through the slider 14; when the driver 3 drives the support member 4 to move, the support member 4 slides on the slide rail 7.

[0028] Alternatively, the guide support assembly includes a guide support plate 6 , on which a guide groove 13 is provided, and the support member 4 is slidably supported on the guide support plate 6 along the guide groove 13 . When the driver 3 drives the support member 4 to move, the support member 4 slides along the guide groove 13 .

[0029] The slide rail 7 and the guide groove 13 play a limiting role to prevent the support member 4 from deviating when moving.

[0030] Alternatively, the guide support assembly includes a guide support plate 6, and the support member 4 is slidably supported on the guide support plate 6; this structure has no limiting effect, and the support member 4 may be offset when moving.

[0031] The guide support assembly also includes a first fixing block 8, which is fixed on the lower mold assembly 2. A first adjustment fixing hole 9 is provided on the guide support plate 6, and a first fixing hole 10 is provided on the first fixing block 8. A first fastener (screw) can be adjusted to pass through the first adjustment fixing hole 9 and then be fastened and connected with the first fixing hole 10, so that the guide support plate 6 is fixed on the first fixing block 8.

[0032] A second adjustment fixing hole 11 is provided on the first fixing block 8 , and a second fixing hole is provided on the lower mold assembly 2 . The second fastener (screw) can be adjusted to pass through the second adjustment fixing hole 11 and then be fastened and connected with the second fixing hole, so that the first fixing block 8 is fixed on the lower mold assembly 2 .

[0033] By adjusting the first adjusting and fixing holes 9 and the second adjusting and fixing holes 11 , the supporting members 4 and the guide supporting plates 6 of different specifications can be adapted.

[0034] The bottom of the guide support plate 6 is supported on the lower mold assembly 2 and the first fixed block 8 .

[0035] A rear side plate 15 is provided at the rear side of the body a, a second fixing block 16 is provided on the rear side plate 15, a third fixing hole 17 is provided on the driver 3, a third adjustment fixing hole 18 is provided on the second fixing block 16, and a third fastener (screw) can be adjusted to pass through the third adjustment fixing hole 18 and then be fastened and connected with the third fixing hole 17, so that the driver 3 is fixed on the second fixing block 16.

[0036] A fourth adjustment fixing hole 19 is provided on the second fixing block 16 , and a fourth fixing hole 20 is provided on the rear side plate 15 . A fourth fastener (screw) can be adjusted to pass through the fourth adjustment fixing hole 19 and then be fastened and connected to the fourth fixing hole 20 , so that the second fixing block 16 is fixed on the rear side plate 15 .

[0037] By adjusting the third adjustment fixing hole 18 and the fourth adjustment fixing hole 19 , the up-down, front-back and back-front positions of the driver 3 can be adjusted.

[0038] A control device is provided in the machine body a, and the control device is electrically connected to the sensor 5 and the driver 3 respectively; when the mold is closed, the control device controls the driver 3 to drive the support member 4 to move to be separated from the upper mold assembly 1 and the lower mold assembly 2; the control device is a control circuit board.

[0039] The driver 3 is a cylinder, the support member 4 is a push rod, and the cylinder drives the push rod to reciprocate.

[0040] The machine body a is provided with a cylinder assembly 12, which is connected to the upper mold assembly 1 and drives the upper mold assembly 1 to move up and down to realize mold opening and mold closing.

[0041] The upper mold assembly 1 includes a middle plate 21 and an upper heating aluminum plate 22 , and the lower mold assembly 2 includes a lower plate 23 and a lower heating aluminum plate 24 . In the mold opening state, the driver 3 drives the support member 4 to move between the middle plate 21 and the lower plate 23 .

[0042] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A paper support hydraulic press, comprising a machine body (a), an upper mold assembly (1) and a lower mold assembly (2) being arranged on the machine body (a), the upper mold assembly (1) moving up and down relative to the lower mold assembly (2) to realize mold opening and mold closing, characterized in that: An anti-pinch device is provided on one side of the upper mold assembly (1) and the lower mold assembly (2), and the anti-pinch device comprises a driver (3) and a support member (4), wherein the driver (3) drives the support member (4) to move between the upper mold assembly (1) and the lower mold assembly (2) in an open mold state, and when the mold is closed, the driver (3) drives the support member (4) to move to a position separated from the upper mold assembly (1) and the lower mold assembly (2).

2. The paper support hydraulic press according to claim 1, characterized in that: A sensor (5) is provided on the machine body (a), the sensor (5) is located on one side of the upper mold assembly (1), and the sensor (5) is communicatively connected to the driver (3); in the mold opening state, the upper mold assembly (1) acts on the sensor (5) so that the driver (3) drives the support member (4) to move between the upper mold assembly (1) and the lower mold assembly (2).

3. The paper support hydraulic press according to claim 1, characterized in that: A guide support assembly is provided on one side of the lower die assembly (2), and the support member (4) is supported on the guide support assembly.

4. The paper support hydraulic press according to claim 3, characterized in that: The guide support assembly comprises a guide support plate (6) and a slide rail (7) arranged on the guide support plate (6); a slide block (14) is arranged at the bottom of the support member (4); and the support member (4) is slidably supported on the slide rail (7) via the slide block (14).

5. The paper support hydraulic press according to claim 3, characterized in that: The guide support assembly comprises a guide support plate (6), a guide groove (13) is provided on the guide support plate (6), and the support member (4) is slidably supported on the guide support plate (6) along the guide groove (13).

6. The paper support hydraulic press according to claim 4 or 5, characterized in that: The guide support assembly further comprises a first fixing block (8), the first fixing block (8) being fixed on the lower die assembly (2), a first adjusting fixing hole (9) being provided on the guide support plate (6), a first fixing hole (10) being provided on the first fixing block (8), and a first fastener being adjustable and passing through the first adjusting fixing hole (9) and then being fastened and connected with the first fixing hole (10), so that the guide support plate (6) is fixed on the first fixing block (8).

7. The paper support hydraulic press according to claim 6, characterized in that: The first fixing block (8) is provided with a second adjustment fixing hole (11), the lower mold assembly (2) is provided with a second fixing hole, and the second fastener is adjustable through the second adjustment fixing hole (11) and is fastened to the second fixing hole, so that the first fixing block (8) is fixed to the lower mold assembly (2).

8. The paper support hydraulic press according to claim 2, characterized in that: A control device is provided in the machine body (a), and the control device is electrically connected to the sensor (5) and the driver (3) respectively; when the mold is closed, the control device controls the driver (3) to drive the support member (4) to move to a position where it is separated from the upper mold assembly (1) and the lower mold assembly (2).

9. The paper support hydraulic press according to claim 1, characterized in that: The driver (3) is a cylinder.

10. The paper support hydraulic press according to claim 1, characterized in that: A cylinder assembly (12) is provided on the machine body (a), and the cylinder assembly (12) is connected to the upper die assembly (1) for driving. The cylinder assembly (12) drives the upper die assembly (1) to move up and down.

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