Vacuum connecting structure and artificial stone plate press

Abstract

The utility model relates to the field of vacuum connection, in particular to a vacuum connecting structure and an artificial stone plate press, which comprises a vacuum frame, a base, a vacuum connecting pipe, a vacuum sealing element, a first sealing component and a second sealing component, the vacuum frame is arranged above the base, and the vacuum connecting pipe is arranged at the bottom of the base; the vacuum frame is provided with a pressing groove, and an opening of the pressing groove faces the base. A bottom sealing hole is formed in the bottom of the vacuum frame and communicates with the pressing groove through the interior of the vacuum frame. The base is provided with a base hole; a connector is arranged at one end of the vacuum connecting pipe; the bottom sealing hole, the base hole and the interface are correspondingly arranged; the first sealing assembly is fixedly installed at the bottom of the vacuum frame, the second sealing assembly is fixedly installed at the top of the base, and the first sealing assembly and the second sealing assembly abut against each other through the vacuum sealing piece so that air can not leak between the bottom sealing hole and the base hole. According to the utility model, the vacuum channel is high in connection efficiency and good in sealing effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vacuum connection, especially a kind of vacuum connection structure and artificial stone plate press. BACKGROUND

[0002] Artificial stone plate press is to send raw material into artificial stone plate press vacuum frame, so that raw material is under vacuum state and is pressed. The raw material pressed under vacuum has better flowability, more uniform material quality, and the obtained plate has more compact structure, and the press has higher efficiency. The specific operation process is: vacuum frame is lowered to vacuumize, and the press is pressed. When the press stops pressing, vacuum is broken, and the vacuum frame is raised. In this process, the connection of press vacuum channel is crucial, which is the key to ensure the vacuum state during pressing.

[0003] The existing artificial stone plate press is to extend vacuum steel pipe from the inside of press vacuum frame, coat sealant, then cover vacuum hose, and the vacuum hose is connected to vacuum unit pipeline outside the press. The disadvantages of this structure are: 1. The lifting of vacuum frame is restricted by the length of hose, which is not convenient for the operation of press. 2. The vacuum hose will be compressed and narrowed under vacuum state, and it is easy to age and leak vacuum. The sealant solidifies slowly when it is replaced, which increases maintenance cost and reduces production efficiency. 3. The connection and sealing structure between vacuum hose and vacuum frame will be loose due to the long-term lifting of vacuum frame and the vibration of vibration motor, which may cause vacuum leakage. 4. The structure occupies a large space, and the structure is bulky. It can be seen that the vacuum connection structure of the existing artificial stone plate press is not conducive to the efficient operation of artificial stone plate press, the pressing effect is poor, it is not conducive to reducing the occupied space of structure, and it is not conducive to reducing maintenance cost. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a vacuum connection structure, which has high connection efficiency and good sealing effect.

[0005] The technical problem to be solved by the utility model is also to provide an artificial stone plate press, which has high production efficiency and good pressing effect.

[0006] In order to solve the above technical problems, the utility model provides a vacuum connection structure, which comprises a vacuum frame, a base, a vacuum connector, a vacuum sealing element, a first sealing assembly and a second sealing assembly. The vacuum frame is arranged above the base, and the vacuum connector is arranged at the bottom of the base. The vacuum frame is provided with a pressing groove, and the opening of the pressing groove faces the base. The bottom of the vacuum frame is provided with a bottom sealing hole, which is communicated with the pressing groove through the inside of the vacuum frame. The base is provided with a base hole penetrating through the upper and lower end faces. One end of the vacuum connector is provided with a connector. The bottom sealing hole, the base hole and the connector are correspondingly arranged.

[0007] The first closing assembly is fixedly installed at the bottom of the vacuum frame, the second closing assembly is fixedly installed at the top of the base, and the first closing assembly and the second closing assembly abut against each other through the vacuum seal, so that the bottom closing hole and the base hole are not air-tight.

[0008] As an improvement of the above scheme, the vacuum frame is provided with a closing seat, a side wall of the closing seat is provided with a side closing hole in communication with the pressing groove, and the bottom closing hole is in communication with the side closing hole through the inside of the closing seat.

[0009] As an improvement of the above scheme, the first closing assembly comprises a first cover and a first seal, the first cover is provided with a first closing hole corresponding to the bottom closing hole, the first cover is fixedly installed at the bottom of the vacuum frame, and the first cover and the vacuum frame abut against each other through the first seal, so that the bottom closing hole and the first closing hole are not air-tight.

[0010] As an improvement of the above scheme, the first cover is provided with a first closing groove, and the first seal is installed in the first closing groove.

[0011] As an improvement of the above scheme, the second closing assembly comprises a second cover and a second seal, the second cover is provided with a second closing hole corresponding to the base hole, the second cover is fixedly installed at the top of the base, and the second cover and the base abut against each other through the second seal, so that the base hole and the second closing hole are not air-tight.

[0012] As an improvement of the above scheme, the bottom of the second cover is provided with a second lower closing groove, and the second seal is installed in the second lower closing groove.

[0013] The top of the second cover is provided with a second upper closing groove, and the vacuum seal is installed in the second upper closing groove.

[0014] As an improvement of the above scheme, the thickness of the vacuum seal is two times or more than the depth of the second upper closing groove.

[0015] As an improvement of the above scheme, a third closing assembly is further included, the third closing assembly comprises a connector seat and a third seal, the connector seat is sleeved outside the connector, the connector seat is fixedly installed at the bottom of the base, and the connector seat and the base abut against each other through the third seal, so that the connector and the base hole are not air-tight.

[0016] As an improvement of the above scheme, the top of the connector seat is provided with a sealing groove, and the third seal is installed in the sealing groove.

[0017] Correspondingly, the utility model still provides a kind of artificial stone plate press, including pressure head and above-mentioned vacuum connection structure, the pressure head is arranged at the top of vacuum frame, and the pressure head and vacuum frame are sealedly connected.

[0018] The utility model discloses, has the following beneficial effects:

[0019] The vacuum connection structure sets the vacuum connector at the bottom of the base, so that the lifting of the vacuum frame is not restricted by the length of the vacuum connector, facilitating the operation of the press, thereby improving the production efficiency of the press, and reducing the occupation of the space at the top of the vacuum frame, saving space, and the structure is simple and compact. At the same time, it also avoids problems such as loosening of the connection and sealing structure of the vacuum frame and the vacuum connector due to vibration of the vacuum frame and the vacuum connector driven by the vibration motor, ensuring good sealing effect and eliminating the risk of vacuum leakage. In addition, the vacuum frame and the base are respectively in contact with the vacuum sealing element through the first sealing assembly and the second sealing assembly, the vacuum channel has high connection efficiency, and the bottom sealing hole and the base hole are ensured to be airtight, the sealing effect is good, thereby ensuring that the pressing groove is completely in a vacuum state, not only high production efficiency, but also good pressing effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the exploded view of the artificial stone plate press of the utility model;

[0021] Figure 2 is Figure 1 the enlarged view of A of the utility model;

[0022] Figure 3 is Figure 1 the enlarged view of B of the utility model;

[0023] Figure 4 is the sectional view of the artificial stone plate press in use of the utility model;

[0024] Figure 5 is Figure 4 the enlarged view of C of the utility model;

[0025] Figure 6 is Figure 2 the structural schematic view of the first cover;

[0026] Figure 7 is Figure 2 the sectional view of the second cover;

[0027] Figure 8 is Figure 3 the structural schematic view of the vacuum connector. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings. It is hereby declared that the up, down, left, right, front, back, inside and outside directions appearing or about to appear in the text of the utility model are based on the drawings of the utility model, and they are not specific limitations on the utility model.

[0029] Referring to Figures 1-8 The utility model discloses a vacuum connection structure, including vacuum frame 1, base 2, vacuum connector 3, vacuum seal 7, first closed assembly and second closed assembly, vacuum frame 1 is located the top of base 2, vacuum connector 3 is located the bottom of base 2, vacuum frame 1 is equipped with the pressing groove 11, the opening of pressing groove 11 is towards base 2, the bottom of vacuum frame 1 is equipped with bottom closed hole 14, and bottom closed hole 14 communicates with pressing groove 11 through the inside of vacuum frame 1, base 2 is equipped with the base hole 21 of the through upper and lower two end faces of it, one end of vacuum connector 3 is equipped with the interface 31, bottom closed hole 14, base hole 21 and interface 31 correspondingly are set up.

[0030] The first closed assembly is fixedly installed at the bottom of the vacuum frame 1, the second closed assembly is fixedly installed at the top of the base 2, and the first closed assembly and the second closed assembly abut against the vacuum seal 7 to prevent air leakage between the bottom closed hole 14 and the base hole 21.

[0031] The vacuum connection structure sets the vacuum connector at the bottom of the base, so that the lifting of the vacuum frame is not restricted by the length of the vacuum connector, the operation of the press is facilitated, the production efficiency of the press is improved, the space occupied by the top of the vacuum frame is reduced, space is saved, and the structure is simple and compact. Meanwhile, the problems of loosening of the connection and sealing structure of the vacuum frame and the vacuum connector caused by vibration of the vacuum frame and the vacuum connector driven by the vibration motor are avoided, the sealing effect is good, and the risk of vacuum leakage is eliminated. In addition, the vacuum frame and the base directly abut against the vacuum seal through the first closed assembly and the second closed assembly respectively, the connection efficiency of the vacuum channel is high, air leakage between the bottom closed hole and the base hole is prevented, the sealing effect is good, the inside of the pressing groove is completely in a vacuum state, the production efficiency is high, and the pressing effect is good.

[0032] It should be noted that when the vacuum frame is lowered to abut against the base, the base closes the opening of the pressing groove to form a pressing cavity, and the raw material is pressed into a blank in the pressing cavity by the pressing head.

[0033] Specifically, as shown in Figure 2 , 5 The vacuum frame 1 is provided with a closed seat 12, the side wall of the closed seat 12 is provided with a side closed hole 13 in communication with the pressing groove 11, and the bottom closed hole 14 communicates with the side closed hole 13 through the inside of the closed seat 12. The closed seat 12 is arranged at the side edge of the vacuum frame 1. During vacuumizing, the gas in the pressing groove is sequentially extracted through the side closed hole, the closed seat, the bottom closed hole, the base hole and the interface. Therefore, the gas is extracted through the closed seat. The structure is simple and compact, no additional components are needed, no space is occupied, and the cost is low.

[0034] Preferably, as shown in Figure 2、 5 The first sealing assembly includes a first cover 4 and a first sealing member 5. The first cover 4 is provided with a first sealing hole 41 corresponding to the bottom sealing hole 14. The first cover 4 is fixedly installed on the bottom of the vacuum frame 1. The first cover 4 and the vacuum frame 1 abut against each other through the first sealing member 5, so that the bottom sealing hole 14 and the first sealing hole 41 are air-tight. The first sealing member 5 is a sealing ring made of silicone rubber.

[0035] More preferably, as shown in Figures 5-6 The first cover 4 is provided with a first sealing groove 42. The first sealing member 5 is installed in the first sealing groove 42. The first cover 4 is provided with the first sealing groove 42 on the side facing the vacuum frame 1. The first sealing member 5 is fixed in the first sealing groove 42. When installing, the first cover is installed on the vacuum frame, and the vacuum frame and the first cover clamp the first sealing member. The first sealing groove is arranged along the outer periphery of the first sealing hole. The first sealing groove serves to fix the first sealing member and facilitates installation.

[0036] More preferably, the bottom of the vacuum frame 1 is provided with a first fastening hole arranged along the periphery of the bottom sealing hole 14. The first cover 4 is provided with a second fastening hole arranged along the periphery of the first sealing hole 41. A fastening member is arranged in the first fastening hole and the second fastening hole, respectively, to fixedly connect the vacuum frame and the first cover. The fastening member is a screw.

[0037] Preferably, as shown in Figure 2 、 5 , 7, the second sealing assembly includes a second cover 6 and a second sealing member 8. The second cover 6 is provided with a second sealing hole 61 corresponding to the base hole 21. The second cover 6 is fixedly installed on the top of the base 2. The second cover 6 and the base 2 abut against each other through the second sealing member 8, so that the base hole 21 and the second sealing hole 61 are air-tight. The second sealing member 8 is a sealing ring made of silicone rubber. The second cover is fixedly installed on the top of the base. To ensure that the vacuum frame and the base are air-tight, i.e., the base hole and the second sealing hole are air-tight, the second sealing member is arranged between the base and the second cover. When the base and the second cover are fixedly connected, the second sealing member is compressed to play a sealing role, and the sealing effect is good.

[0038] More preferably, as shown in Figure 2 、 5As shown in Figure 7, the bottom of the second cover 6 is provided with a second lower sealing groove 63, and the second sealing element 8 is installed in the second lower sealing groove 63. The side of the second cover 6 facing the base 2 has the second lower sealing groove 63, and the second sealing element 8 is fixed in the second lower sealing groove 63. During installation, simply install the second cover on the top of the base, so that the base and the second cover clamp the second sealing element. The second lower sealing groove 63 is arranged around the outer periphery of the second sealing hole 61. The second lower sealing groove serves to fix the second sealing element and facilitates installation.

[0039] Preferably, the top of the base 2 is provided with a top fastening hole arranged around the base hole 21, and the second cover 6 is provided with a third fastening hole arranged around the second sealing hole 61. Fasteners are respectively inserted into the third fastening hole and the top fastening hole to fix the second cover 6 and the base 2 together. The fasteners are screws.

[0040] Preferably, such as Figure 2 , 5 As shown in Figure 7, the top of the second cover 6 is provided with a second upper sealing groove 62, and the vacuum sealing element 7 is installed in the second upper sealing groove 62. The side of the second cover 6 facing the vacuum frame 1 has the second upper sealing groove 62, and the vacuum sealing element 7 is fixed in the second upper sealing groove 62. When the vacuum frame descends, the first cover presses on the vacuum sealing element, causing the vacuum sealing element to compress and deform, thereby achieving a seal between the first sealing hole and the second sealing hole, that is, achieving a seal between the bottom sealing hole and the base hole. The second upper sealing groove is arranged around the outer periphery of the second sealing hole. The second upper sealing groove serves to fix the vacuum sealing element and facilitates installation.

[0041] Preferably, the vacuum seal 7 is made of silicone rubber.

[0042] Preferably, the thickness of the vacuum seal 7 is twice or more the depth of the second upper sealing groove 62. This thickness limitation ensures that the vacuum seal can undergo significant compressive deformation when the vacuum frame compresses it, further guaranteeing the sealing effect between the bottom sealing hole and the base hole.

[0043] Furthermore, such as Figure 3 , 5, 8, the utility model still includes third closed subassembly, third closed subassembly includes interface seat 10 and third sealing piece 9, the interface seat 10 is set on the outside of interface 31, the interface seat 10 is fixedly installed on the bottom of base 2, and the interface seat 10 and base 2 are abutted by third sealing piece 9 to make interface 31 and base hole 21 not leak air. Vacuum pipe 3 and interface seat 10 are preferably integrally formed. The third sealing piece 9 is a sealing ring made of silicone rubber. The interface seat is fixedly installed on the bottom of the base, so that one end of the vacuum pipe is fixedly installed on the base. To ensure that the base and the interface seat do not leak air, i.e., the base and the interface do not leak air, a third sealing piece is provided between the base and the interface seat. When the base and the interface seat are fixedly connected, the third sealing piece is compressed, which plays a sealing role and has good sealing effect.

[0044] Preferably, as shown in Figure 8 , the top of the interface seat 10 is provided with an interface sealing groove 32, and the third sealing piece 9 is installed in the interface sealing groove 32. One side of the interface seat 10 facing the base 2 is provided with an interface sealing groove 32, and the third sealing piece 9 is fixed in the interface sealing groove 32. When installing, as long as the interface seat is installed on the base, the interface seat and the base can clamp the third sealing piece. The interface sealing groove is arranged along the outer periphery of the interface. The interface sealing groove is arranged to fix the third sealing piece, which is convenient for installation.

[0045] Preferably, the bottom of the base 2 is provided with a bottom fastening hole arranged around the base hole 21, and the interface seat 10 is provided with a fourth fastening hole arranged around the interface 31. A fastener is respectively arranged in the fourth fastening hole and the bottom fastening hole to fixedly connect the interface seat 10 and the base 2. The fastener is a screw.

[0046] Correspondingly, referring to Figures 1-8 , the utility model discloses a kind of artificial stone slab presses, including pressure head 100 and above-mentioned vacuum connection structure, the pressure head 100 is arranged in the top of vacuum frame 1, and the pressure head 100 and vacuum frame 1 are sealingly connected.The specific structure of the vacuum connection structure is as described above, and will not be repeated here.

[0047] The working process of the artificial stone slab press of the utility model is as follows:

[0048] Place raw materials on the base 2, and the vacuum frame 1 is lowered to abut against the top surface of the base 2 and is fixed, while the vacuum seal 7 is compressed and expanded to connect and seal the bottom closed hole 14 and the base hole 21. The air in the pressing groove 11 is extracted by the external vacuum unit to form a vacuum state. Then, the vibration motor is started, and the raw materials are repeatedly pressed by the pressure head under the vacuum state to form a blank plate. Finally, the vacuum is broken, the vacuum frame 1 is raised, the vacuum frame 1 and the base 2 are separated, the vacuum seal 7 returns to its original state, and the blank plate is removed from the press.

[0049] The vacuum connection structure has the advantages of quick connection of the vacuum channel, improves the operation efficiency of the press, guarantees the vacuum degree requirement of the press, and makes the press reach the best working state.

[0050] The above is the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the principles of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered to be within the protection scope of the utility model.

Claims

1. A vacuum connection structure characterized by comprising: The vacuum frame, the base, the vacuum connector, the vacuum seal, the first closing assembly and the second closing assembly, the vacuum frame is arranged above the base, the vacuum connector is arranged at the bottom of the base; the vacuum frame is provided with a pressing groove, the opening of the pressing groove faces the base; the bottom of the vacuum frame is provided with a bottom closing hole, the bottom closing hole is communicated with the pressing groove through the inside of the vacuum frame; the base is provided with a base hole penetrating through the upper and lower end faces thereof; one end of the vacuum connector is provided with a connector; the bottom closing hole, the base hole and the connector are correspondingly arranged; The first closing assembly is fixedly installed at the bottom of the vacuum frame, the second closing assembly is fixedly installed at the top of the base, and the first closing assembly and the second closing assembly abut against each other through the vacuum seal, so that the bottom closing hole and the base hole are not gas-leaking.

2. The vacuum connection structure according to claim 1, wherein The vacuum frame is provided with a closing seat, the side wall of the closing seat is provided with a side closing hole communicated with the pressing groove, and the bottom closing hole is communicated with the side closing hole through the inside of the closing seat.

3. The vacuum connection structure according to claim 1, wherein The first closing assembly comprises a first cover and a first seal, the first cover is provided with a first closing hole corresponding to the bottom closing hole, the first cover is fixedly installed at the bottom of the vacuum frame, and the first cover and the vacuum frame abut against each other through the first seal, so that the bottom closing hole and the first closing hole are not gas-leaking.

4. The vacuum connection structure according to claim 3, wherein The first cover is provided with a first closing groove, and the first seal is installed in the first closing groove.

5. The vacuum connection structure according to any one of claims 1 to 4, wherein The second closing assembly comprises a second cover and a second seal, the second cover is provided with a second closing hole corresponding to the base hole, the second cover is fixedly installed at the top of the base, and the second cover and the base abut against each other through the second seal, so that the base hole and the second closing hole are not gas-leaking.

6. The vacuum connection structure according to claim 5, wherein The bottom of the second cover is provided with a second lower closing groove, and the second seal is installed in the second lower closing groove. The top of the second cover is provided with a second upper closing groove, and the vacuum seal is installed in the second upper closing groove.

7. The vacuum connection structure according to claim 6, wherein The thickness of the vacuum seal is twice or more than the depth of the second upper closing groove.

8. The vacuum connection structure according to claim 1, wherein The third closing assembly comprises a connector seat and a third seal, the connector seat is sleeved outside the connector, the connector seat is fixedly installed at the bottom of the base, and the connector seat and the base abut against each other through the third seal, so that the connector and the base hole are not gas-leaking.

9. The vacuum connection structure according to claim 8, wherein The top of the connector seat is provided with a sealing groove, and the third seal is installed in the sealing groove.

10. A manufactured stone panel press, characterized by, The pressure head and the vacuum connection structure according to any one of claims 1-9, the pressure head is arranged at the top of the vacuum frame, and the pressure head and the vacuum frame are sealingly connected.

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