Hot press

Abstract

The utility model discloses a hot press. A machine body is provided with a male die, a female die and a male die cylinder; an air inlet of the male die cylinder is connected with a first compressed air pipe by a first air inlet pipe through a first pneumatic electromagnetic valve; the machine body further comprises a movable door plate, a movable door plate air cylinder, a smoke exhaust fan and an air blowing pipe. The movable door plate is arranged on the machine body movable door and driven by a movable door plate cylinder; the smoke exhaust fan is arranged on the upper portion, and the air blowing pipe is arranged below the movable door. An exhaust port of the male die cylinder is connected with an air blowing pipe by a first exhaust pipe through a first pneumatic electromagnetic valve; an air inlet of the movable door plate cylinder is connected with a second compressed air pipe through a second air inlet pipe via a second pneumatic electromagnetic valve; and an air outlet of the movable door plate cylinder is connected with the blowing pipe through a second exhaust pipe via the second pneumatic electromagnetic valve. Waste gas generated after hot-pressing mold opening is blocked by air exhausted by the air cylinder, and the waste gas is exhausted by the smoke exhaust fan.

Description

TECHNICAL FIELD

[0001] The utility model belongs to material pressure synthesis's machine relates to sheet heating pressure equipment, specifically, it is a kind of hot press that utilizes the exhaust air of air cylinder movement to prevent the exhaust gas smoke of hot press after opening die to escape. BACKGROUND

[0002] In hot-pressing mechanical equipment, sheet pressure synthesis is realized by heating / conducting heat energy of upper and lower pressing plates to concave and convex molds and pressure bonding, and sheet usually releases certain material components in the process of heating and pressure bonding, and these material components are sometimes harmful, especially when upper and lower pressing plates / convex and concave molds are separated, part of exhaust gas smoke directly escapes from the front of operating station, which poses great harm and pollution threat to the health of operators and working environment. SUMMARY

[0003] The utility model discloses a kind of hot presses, it utilizes the air of air cylinder to block the diffusion of exhaust gas smoke in working, so as to be extracted by exhaust fan, to improve working environment, and it can protect the health of worker.

[0004] The purpose of the utility model is realized by the following scheme:

[0005] A kind of hot press, body is provided with convex mold, concave mold and convex mold cylinder;Wherein, the air inlet of convex mold cylinder is connected by first air inlet pipe, first pneumatic electromagnetic valve and first compressed air pipe;Convex mold is driven to go up and down by convex mold cylinder, so that convex mold can be attached to concave mold and implement hot-pressing forming to sheet;Its characteristics are: body further includes movable door plate, movable door plate cylinder, exhaust fan and blowing pipe;Movable door plate is arranged at movable door of body, and is driven by movable door plate cylinder, and movable door plate can be closed and opened by moving movable door;Exhaust fan is arranged in the upper portion of body, and blowing pipe is arranged at the position close to movable door below;The air outlet of convex mold cylinder is connected by first air outlet pipe, first pneumatic electromagnetic valve and blowing pipe;The air inlet of movable door plate cylinder is connected by second air inlet pipe, second pneumatic electromagnetic valve and second compressed air pipe, and the air outlet of movable door plate cylinder is connected by second air outlet pipe, second pneumatic electromagnetic valve and blowing pipe.

[0006] The purpose of the utility model can also be realized as follows:

[0007] A kind of hot press, body is provided with upper platen, lower platen and upper platen cylinder;Wherein, the upper platen cylinder intake is connected with the first compressed gas pipe by the first intake pipe and the first pneumatic electromagnetic valve;The upper platen is driven up and down by the upper platen cylinder, so that the upper platen can be attached to the lower platen to form heat pressing molding for sheet;Its characteristics are: the body also includes movable door, movable door cylinder, exhaust fan and blowing pipe;Movable door is arranged at the movable door of body, and is driven by movable door cylinder, and movable door can be closed and opened by moving;Exhaust fan is arranged in the upper part of body, and blowing pipe is arranged at the lower position close to movable door;The upper platen cylinder exhaust is connected with blowing pipe by the first exhaust pipe and the first pneumatic electromagnetic valve;The movable door cylinder intake is connected with the second compressed gas pipe by the second intake pipe and the second pneumatic electromagnetic valve, and the movable door cylinder exhaust is connected with blowing pipe by the second exhaust pipe and the second pneumatic electromagnetic valve.

[0008] In this way, during hot pressing operation, the upper platen is driven downward by the upper platen cylinder, or the punch is driven downward by the punch cylinder, so as to realize pressing operation;During pressing, the movable door is closed by the movable door cylinder, so as to form a closed space in the body for waste gas smoke generated after hot pressing;Before the pressing operation is completed, the exhaust fan is started to form negative pressure in the closed space, so as to subsequently exhaust the waste gas smoke from the upper part;After the pressing operation is completed, the upper platen is driven upward by the upper platen cylinder to open the mold, or the punch is driven upward by the punch cylinder to open the mold, and the waste gas smoke is instantaneously emitted, at which time, the first pneumatic electromagnetic valve is switched, and the air discharged from the upper platen cylinder exhaust / punch cylinder exhaust can be sent to the blowing pipe by the first exhaust pipe, and blown upward from the bottom to form a wind curtain, so as to block the waste gas smoke generated after hot pressing in the body, and the waste gas smoke is exhausted from the upper part by the exhaust fan;Subsequently, the movable door is opened by driving the movable door by the movable door cylinder, and at the same time, the second pneumatic electromagnetic valve is switched, and the air discharged from the movable door cylinder exhaust is also sent to the blowing pipe by the second exhaust pipe, so as to further play a blocking role in prolonging the wind curtain.

[0009] The hot press of the present application is characterized in that the movable door is closed during hot pressing of the sheet, so that the waste gas smoke generated after hot pressing of the sheet is blocked in the body, and the waste gas smoke can be exhausted from the upper part by the exhaust fan, so that the waste gas smoke is not easy to escape from the front of the operation station and is not easy to be directly inhaled by the operator, which is beneficial to the health of the operator.

[0010] The hot press of the utility model, in the process of the upper pressing plate air cylinder driving the upper pressing plate to rise / the punch air cylinder driving the punch to rise and the movable door plate air cylinder driving the movable door plate to move after the hot pressing is completed, the air discharged from the exhaust port of the upper pressing plate air cylinder / the punch air cylinder and the movable door plate air cylinder is all sent to the air blowing pipe and blows upward to form a wind curtain, the wind curtain can block the waste gas smoke in the machine body, and the waste gas smoke is sucked away by the smoke exhaust machine, which is convenient for further processing and is beneficial to improving the working environment.

[0011] The hot sealing machine only uses the air discharged from the upper pressing plate air cylinder / the punch air cylinder and the movable door plate air cylinder to block the waste gas smoke generated after the mold is opened after hot sealing, so that a special compressed air is not needed, the air source can be further saved, environmental protection is facilitated, and the manufacturing cost can be further reduced due to the simplified structure. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a schematic diagram of a specific implementation structure of the utility model hot press;

[0013] Figure 2 is Figure 1 is a schematic diagram of the connection structure of the punch, the die, the punch air cylinder and the air blowing pipe in the hot press. DETAILED DESCRIPTION

[0014] The specific implementation of the utility model will be further described in detail below with reference to the drawings:

[0015] Referring to Figure 1 and Figure 2 , the hot press of the embodiment, the machine body is provided with a punch 1, a die 2 and a punch air cylinder 3, wherein the punch air cylinder inlet is connected with the first compressed air pipe 6 through the first air inlet pipe 4 and the first pneumatic electromagnetic valve 5, the punch 1 is driven to rise and fall by the punch air cylinder 3, the punch 1 can be combined with the die 2 to press the sheet material, the machine body further includes a movable door plate 7, a movable door plate air cylinder 8, a smoke exhaust fan 9 and an air blowing pipe 10; the movable door plate 7 is arranged below the movable door of the machine body and can be driven by the movable door plate air cylinder 8 to move up and down along the two side rails to close and open the movable door; the smoke exhaust fan 9 is arranged at the upper part of the machine body, and the air blowing pipe 10 is arranged below the movable door; the exhaust port of the punch air cylinder 3 is connected with the air blowing pipe 10 through the first exhaust pipe 11 and the first pneumatic electromagnetic valve 5; the inlet of the movable door plate air cylinder 8 is connected with the second compressed air pipe 14 through the second air inlet pipe 12 and the second pneumatic electromagnetic valve 13, and the exhaust port of the movable door plate air cylinder 8 is connected with the air blowing pipe 10 through the second exhaust pipe 15 and the second pneumatic electromagnetic valve 13.

[0016] Thus, during hot pressing, the punch 1 can be driven downward by the punch cylinder 3 to realize the pressing operation on the sheet material; during pressing, the movable door plate 7 can be driven upward by the movable door plate cylinder 8 to close the movable door; before the pressing operation is completed, the exhaust fan 9 can be started to work; after the pressing operation is completed, when the punch 1 is driven upward by the punch cylinder 3, the first pneumatic electromagnetic valve 5 can be switched, the air discharged from the exhaust port of the punch cylinder 3 is sent to the air blowing pipe 10 through the first exhaust pipe 11 to blow out from the bottom to the top to form a wind curtain, so that the exhaust gas smoke generated after pressing is prevented from flowing out of the machine body, and the exhaust gas smoke is extracted from the top by the exhaust fan 9; subsequently, when the movable door plate 7 is driven downward by the movable door plate cylinder 8 to open the movable door, the second pneumatic electromagnetic valve 13 can be switched, the air discharged from the exhaust port of the movable door plate cylinder 8 is also sent to the air blowing pipe 10 through the second exhaust pipe 15 to blow out, so that the wind curtain can be further continued to block the exhaust gas smoke.

Claims

1. A hot press, a body of which is provided with a punch, a die and a punch cylinder; wherein, The male die cylinder air inlet is connected with the first compressed air pipe through the first pneumatic electromagnetic valve and the first air inlet pipe; the male die is driven up and down by the male die cylinder to make the male die adhere to the female die to heat-press the sheet; characterized in that: the machine body further comprises a movable door plate, a movable door plate cylinder, a smoke exhaust fan and a blowing pipe; the movable door plate is arranged at the movable door of the machine body and is driven by the movable door plate cylinder; the movable door plate can close and open the movable door by moving; the smoke exhaust fan is arranged at the upper part of the machine body; the blowing pipe is arranged at the lower position close to the movable door; the male die cylinder exhaust port is connected with the blowing pipe through the first pneumatic electromagnetic valve and the first exhaust pipe; the movable door plate cylinder air inlet is connected with the second compressed air pipe through the second pneumatic electromagnetic valve and the second air inlet pipe; the movable door plate cylinder exhaust port is connected with the blowing pipe through the second pneumatic electromagnetic valve and the second exhaust pipe.

2. A hot press, a body of which is provided with an upper platen, a lower platen and an upper platen cylinder; wherein, The upper pressing plate cylinder air inlet is connected with the first compressed air pipe through the first pneumatic electromagnetic valve and the first air inlet pipe; the upper pressing plate is driven up and down by the upper pressing plate cylinder to make the upper pressing plate adhere to the lower pressing plate to heat-press the sheet; characterized in that: the machine body further comprises a movable door plate, a movable door plate cylinder, a smoke exhaust fan and a blowing pipe; the movable door plate is arranged at the movable door of the machine body and is driven by the movable door plate cylinder; the movable door plate can close and open the movable door by moving; the smoke exhaust fan is arranged at the upper part of the machine body; the blowing pipe is arranged at the lower position close to the movable door; the upper pressing plate cylinder exhaust port is connected with the blowing pipe through the first pneumatic electromagnetic valve and the first exhaust pipe; the movable door plate cylinder air inlet is connected with the second compressed air pipe through the second pneumatic electromagnetic valve and the second air inlet pipe; the movable door plate cylinder exhaust port is connected with the blowing pipe through the second pneumatic electromagnetic valve and the second exhaust pipe.

Images