eps plate machine mold cavity pressure detection device
A technology of mold cavity pressure and detection device, applied in the field of sheet metal processing equipment, can solve problems such as unsmoothness, affecting production efficiency, sheet shrinkage and deformation, etc., and achieve the effects of scientific processing technology, efficiency improvement, and quality improvement
Active Publication Date: 2017-11-03
上海中吉机械制造有限公司
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Problems solved by technology
Setting the vacuum cooling time in the program is often inaccurate. If the time is set too short, the cooling effect will not be good, resulting in uneven surface of the EPS sheet, which will affect the demoulding effect of the sheet, and the EPS particles will still stick to the surface Aluminum plate of the mold cavity
The setting time is long, one is to affect the production efficiency, and the other may be overdrawn, causing the plate to shrink and deform in the cavity
Method used
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Embodiment Construction
[0017] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.
[0018] Such as figure 1 with figure 2 The shown EPS plate machine mold cavity pressure detection device of the present invention includes a cylinder body 1, a piston 2, a sealing washer 3, a screw sleeve 8, a conical washer 5, a valve core 6, a spring 7, a screw rod 9 and a set screw 11 , the cylinder body 1 is nested and fixed on the mold cavity wall of the EPS board machine, the piston 2 is arranged inside the cylinder body 1 and communicates with the mold cavity of the EPS board machine, a through hole is provided inside the piston 2, and a sealing washer 3 is provided at the front end of the piston 2, Sealing gasket 3 is provided with a through hole inside and communicates with the through hole inside of piston 2. EPS plate machine mold cavity wall 100 is provided with through hole...
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The invention discloses a pressure detecting device for an EPS panel machine die cavity. The pressure detecting device comprises a cylinder, a piston, a sealing washer, a thread sleeve, a taper washer, a valve element, a spring, a screw and a set screw. When EPS particles in the die cavity are heated, the expansion force of the particles allows the piston to push backwards, compressed air passes the gaps of the valve element and the taper washer when the pressure is large enough to push open the valve element, the pressure of the compressed air is transferred to the electric-contact pressure gauge of a pressure detecting pipeline, part of pressure balances off the pressure from the die cavity at the same time, and a positive pressure detecting path is formed; when a vacuum system vacuumizes the EPS panel machine die cavity, the negative pressure in the die cavity is transferred to the electric-contact pressure gauge through a through hole in an aluminum plate, a through hole in the set screw, a through hole in the piston, a through hole in the sealing washer and the pressure detecting pipeline, and a negative pressure detecting path is formed. By the arrangement, the EPS panel processing process is scientific, and production efficiency and product yield are increased.
Description
technical field [0001] The invention relates to the field of plate processing equipment, in particular to an EPS plate machine die cavity pressure detection device. Background technique [0002] In the traditional EPS (expandable polystyrene) sheet processing technology, the feeding of the EPS sheet machine cavity is controlled by time, and most of the time it is estimated based on the density of the sheet and the size of the cavity of. Either the set time is short, resulting in insufficient feeding of the mold cavity, and the produced EPS board becomes waste, resulting in economic losses. Either the setting time is too long, which wastes time in the processing technology and affects production efficiency. [0003] In addition, in the cooling process, the old processing technology also relies entirely on experience. Setting the vacuum cooling time in the program is often inaccurate. If the time is set too short, the cooling effect will not be good, resulting in the surfac...
Claims
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IPC IPC(8): B29C44/60
CPCB29C44/60
Inventor 侯树旗李永晖
Owner 上海中吉机械制造有限公司