Anti-radiation acrylic plate manufacturing mold

Abstract

The utility model relates to a mould for manufacturing an anti-radiation acrylic plate, which comprises a lower mould, a mould cavity is arranged on the lower mould, an upper mould plate for covering the mould cavity is arranged above the lower mould, and a charging hole and a vacuumizing hole which are communicated with the inside of the mould cavity are arranged on the side wall of the lower mould. The injection mold has the beneficial effects that the upper mold plate and the mold cavity are matched to form the closed cavity, and when a solution is injected through the charging hole, vacuumizing is carried out through the vacuumizing hole, so that bubbles generated when the solution is in contact with air during addition are eliminated, flow lines generated when the solution is in contact with the mold cavity are eliminated, and the quality of a finished product is good.

Description

Technical Field

[0001] The utility model relates to the field of production molds, in particular to a mold for making radiation-proof acrylic plates. Background Art

[0002] In the prior art, the production of radiation-proof acrylic sheets uses sealing strips around two pieces of glass, which are then reinforced with U-shaped clips. The strength of the U-shaped clips is adjusted according to the required thickness of the product to ensure the required size of the product. All four directions need to be adjusted, which makes assembly difficult and inefficient. When adding materials, it is necessary to pry open the seal on one side for adding materials. The disadvantage is that adding materials is difficult, the solution is prone to leakage, and the loss is serious. It is also difficult to ensure the sealing of the solution in the mold, and the contact of the solution with air during the adding process will produce bubbles, water ripples, flow marks and other problems, resulting in poor quality of the finished product.

[0003] There is an urgent need for a mold for manufacturing radiation-proof acrylic panels with better finished product quality. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a mold for making radiation-proof acrylic plates with better finished product quality.

[0005] The utility model solves the above-mentioned technical problem with the following technical solution: a radiation-proof acrylic plate production mold, comprising a lower mold, a mold cavity is opened on the lower mold, an upper mold plate for covering the mold cavity is arranged above the lower mold, and a feeding port and a vacuum port connected to the inside of the mold cavity are opened on the side wall of the lower mold.

[0006] The beneficial effects of the utility model are as follows: the upper template cooperates with the mold cavity to form a closed chamber, and when the solution is injected through the feeding port, vacuum is simultaneously performed from the vacuum port, thereby eliminating bubbles generated by the solution contacting with the air when added, eliminating flow lines generated by the solution contacting with the mold cavity, and achieving good finished product quality.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, a plurality of pin holes are evenly opened on the top surface of the lower mold around the upper mold plate, and pin columns are arranged in the pin holes. A pressure block is fixedly connected to the top of the pin column. When the upper mold plate is in the covering state, the pressure block contacts the top surface of the upper mold plate.

[0009] The beneficial effect of adopting the above further scheme is: first insert a part of the pins to facilitate positioning when placing the upper template. After the upper template is covered, all the pins are driven into the pin holes, and the surrounding pressure blocks evenly press the upper template to prevent overflow when injecting the solution.

[0010] Furthermore, a spring is sleeved on the pin, one end of the spring contacts the top surface of the lower die, and the other end contacts the bottom surface of the pressing block.

[0011] The beneficial effect of adopting the above further solution is that when manufacturing the product, the solution will slightly lift up the upper template due to expansion due to heating, and the spring will assist in driving the pin to rise.

[0012] Furthermore, the top surface of the lower mold is fixedly connected with limiting steps all around, the limiting steps are located on the side of the pin hole away from the upper mold, and one end of the pressing block away from the upper mold is in contact with the top surface of the limiting steps.

[0013] The beneficial effect of adopting the above further solution is that the limiting step prevents the pin from being inserted too deeply and the pressing block from damaging the upper template.

[0014] Furthermore, an annular groove is formed on the top surface of the lower mold around the mold cavity, a sealing ring is arranged in the annular groove, and the upper mold plate cover is arranged on the annular groove.

[0015] The beneficial effect of adopting the above further solution is that the sealing ring seals and prevents the solution from overflowing.

[0016] Furthermore, a vacuum pumping device is included, and the vacuum pumping device is connected to the vacuum pumping port through a pipeline.

[0017] The beneficial effect of adopting the above further solution is that when the solution is injected, the vacuum equipment extracts the air in the mold cavity, thereby improving the quality of the finished product.

[0018] Furthermore, a first sealing cover is provided on the feeding port.

[0019] The beneficial effect of adopting the above further solution is that after the feeding is completed, the first sealing cover is closed to form a closed chamber.

[0020] Furthermore, a second sealing cover is provided on the vacuum port.

[0021] The beneficial effect of adopting the above further solution is that after the vacuuming is completed, the second sealing cover is closed to form a closed chamber.

[0022] Furthermore, the upper template is made of tempered glass.

[0023] The beneficial effects of adopting the above further solution are: the tempered glass has good heat resistance and it is easy to observe the inside of the mold cavity during production.

[0024] Furthermore, the inner side of the mold cavity is chrome-plated.

[0025] The beneficial effect of adopting the above further solution is that demoulding is convenient after chrome plating. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is an overall schematic diagram of the utility model.

[0027] Figure 2 It is a schematic diagram of the lower mold of the utility model.

[0028] Figure 3 It is a cross-sectional view of the lower mold of the utility model.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 1. Lower mold; 2. Mold cavity; 3. Upper mold plate; 4. Feed port; 5. Vacuum port; 6. Pin hole; 7. Pin column; 8. Pressure block; 9. Spring; 10. Limit step; 11. Sealing ring; 12. First sealing cover; 13. Second sealing cover; 14. Annular groove. DETAILED DESCRIPTION

[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0032] Example 1

[0033] like Figures 1 to 3 As shown, a radiation-proof acrylic plate production mold includes a lower mold 1, a mold cavity 2 is opened on the lower mold 1, an upper mold plate 3 for covering the mold cavity 2 is arranged above the lower mold 1, and a feeding port 4 and a vacuum port 5 connected to the inside of the mold cavity 2 are opened on the side wall of the lower mold 1.

[0034] The beneficial effects of this embodiment are: the upper template 3 cooperates with the mold cavity 2 to form a closed chamber, and the solution is injected into the mold cavity 2 through the feeding port 4. The solution is not easy to overflow, and the raw material loss is small. At the same time, vacuum is performed from the vacuum port 5 to eliminate bubbles generated by the contact between the solution and the air during addition, and the flow lines generated by the contact between the solution and the cavity are eliminated, so that the quality of the finished product is good.

[0035] Example 2

[0036] like Figures 2 to 3 As shown, preferably, on the basis of Example 1, a plurality of pin holes 6 are evenly opened on the top surface of the lower mold 1 around the upper mold plate 3, pin columns 7 are provided in the pin holes 6, and a pressure block 8 is fixed to the top end of the pin column 7. When the upper mold plate 3 is in the closed state, the pressure block 8 is in contact with the top surface of the upper mold plate 3.

[0037] The beneficial effect of adopting the preferred scheme in the above embodiment is: before the upper template 3 is covered, any two partial pins 7 in right angles are inserted first to form an L-shaped limit, which is convenient for positioning when the upper template 3 is placed. After the upper template 3 is covered, all the pins 7 are driven into the pin holes 6, and the pressure blocks 8 around the upper template 3 are evenly pressed and sealed to avoid overflow when the solution is injected.

[0038] On the basis of the above-mentioned embodiment, the pin hole 6 and the pin column 7 are interference fit, and the number of the pin holes 6 on one side is at least three to ensure uniform compression everywhere.

[0039] Example 3

[0040] like Figures 2 to 3 As shown, preferably, on the basis of Embodiment 1-2, a spring 9 is further sleeved on the pin 7, one end of the spring 9 contacts the top surface of the lower mold 1, and the other end contacts the bottom surface of the pressing block 8.

[0041] The beneficial effect of adopting the preferred scheme in the above embodiment is: when manufacturing the product, the solution may expand to a certain extent within the process range due to heating, and slightly lift up the upper template 3. The upper template 3 pushes the pressing block 8, but the contact position between the pressing block 8 and the upper template 3 is not at the geometric center of the pressing block 8. During the pushing process, the pin 7 may be subjected to force and bend outward. The spring 9 offsets part of the force to ensure that the pressing block 8 moves forward along the axis of the pin 7, thereby facilitating the rising of the pin 7.

[0042] Example 4

[0043] like Figure 2 As shown, preferably, on the basis of embodiments 1-3, limiting steps 10 are fixedly connected on all four sides of the top surface of the lower mold 1, and the limiting steps 10 are located on the side of the pin hole 6 away from the upper mold 3, and the end of the pressing block 8 away from the upper mold 3 is in contact with the top surface of the limiting step 10.

[0044] The beneficial effect of the preferred solution in the above embodiment is that when the pin 7 is inserted, the pressing block 8 cannot continue to descend after contacting the limiting step 10, and the limiting step 10 prevents the pin 7 from being inserted too deeply and the pressing block 8 from crushing the upper template 3;

[0045] The thickness of the acrylic plate to be produced is determined, and the height of the limiting step 10 is pre-processed, so that when the pin 7 is inserted, there is no need to fine-tune the pin 7 individually.

[0046] As a parallel solution of the above embodiment, the limit step 10 can also be replaced by a limit cylinder, which is movably mounted outside the pin 7 and the spring 9. When the pin 7 is inserted, the limit cylinder presses against the pressure block 8 to prevent the pin 7 from being inserted too deeply.

[0047] Example 5

[0048] like Figure 2 As shown, preferably, on the basis of embodiments 1-4, an annular groove 14 is provided on the top surface of the lower mold 1 around the mold cavity 2, a sealing ring 11 is provided in the annular groove 14, and the upper mold plate 3 is covered on the annular groove 14.

[0049] The beneficial effect of adopting the preferred solution in the above embodiment is that the sealing ring 11 seals to prevent the solution from being injected and overflowing during production.

[0050] On the basis of the above embodiment, the sealing ring 11 is made of silicone.

[0051] Example 6

[0052] like Figures 1 to 3 As shown, preferably, on the basis of embodiments 1-5, a vacuum pumping device is included, and the vacuum pumping device is connected to the vacuum pumping port 5 through a pipeline.

[0053] The beneficial effect of adopting the preferred scheme in the above embodiment is: when injecting the solution, the vacuum equipment continuously extracts the air in the mold cavity 2, eliminates the bubbles generated by the contact between the solution and the air when adding, eliminates the flow lines generated by the contact between the solution and the cavity, and improves the quality of the finished product. When the solution is gradually filled up, the vacuum equipment is turned off.

[0054] Based on the above embodiments, the vacuuming device is usually a vacuum pump.

[0055] Example 7

[0056] like Figures 1 to 3 As shown, preferably, on the basis of embodiments 1-6, a first sealing cover 12 is provided on the feeding port 4.

[0057] The beneficial effect of adopting the preferred solution in the above embodiment is that after the feeding is completed, the first sealing cover 12 is closed to form a closed chamber.

[0058] Example 8

[0059] like Figures 1 to 3 As shown, preferably, on the basis of embodiments 1-7, a second sealing cover 13 is provided on the vacuum port 5 .

[0060] The beneficial effect of adopting the preferred solution in the above embodiment is that after the vacuuming is completed, the pipeline of the vacuuming equipment is pulled out, and the second sealing cover 13 is closed to form a closed chamber.

[0061] Example 9

[0062] like Figures 1 to 3 As shown, preferably, based on embodiments 1-8, the upper template 3 is made of tempered glass.

[0063] The beneficial effects of adopting the preferred solution in the above embodiment are: the tempered glass has good heat resistance and it is easy to observe the inside of the mold cavity 2 during production.

[0064] Example 10

[0065] like Figures 1 to 3As shown, preferably, based on embodiments 1-9, the inner side of the mold cavity 2 is chrome-plated.

[0066] The beneficial effect of adopting the preferred solution in the above embodiment is that demoulding is convenient after chrome plating.

[0067] On the basis of the above-mentioned embodiment, the mating surface where the lower mold 1 contacts the upper mold plate 3 is also chrome-plated.

[0068] The specific usage process is as follows: the upper template 3 covers the lower mold 1 and cooperates with the mold cavity 2 to form a closed chamber, then the pin 7 is driven into the pin hole 6, and the pressing blocks 8 around it press the upper template 3 evenly to prevent overflow when the solution is injected, and then the solution is injected through the feeding port 4, and the vacuum port 5 is vacuumed at the same time. After the solution is injected, the first sealing cover 12 and the second sealing cover 13 are closed, and the entire mold is placed in a water bath for thermal polymerization reaction and curing. When the solution raw material expands and contracts during thermal polymerization within the process range, the pressing blocks 8 press the upper template 3 to prevent the solution from leaking.

[0069] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0070] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0071] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0072] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0073] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0074] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A mold for making a radiation-proof acrylic plate, characterized in that: The invention comprises a lower mold (1), a mold cavity (2) is formed on the lower mold (1), an upper mold plate (3) for covering the mold cavity (2) is arranged above the lower mold (1), and a feeding port (4) and a vacuum port (5) communicating with the interior of the mold cavity (2) are formed on the side wall of the lower mold (1); The top surface of the lower mold (1) is evenly provided with a plurality of pin holes (6) around the upper mold plate (3), each of the pin holes (6) is provided with a pin column (7), the top of the pin column (7) is fixedly connected with a pressing block (8), and when the upper mold plate (3) is in a closed state, the pressing block (8) is in contact with the top surface of the upper mold plate (3); A spring (9) is also sleeved on the pin (7), one end of the spring (9) contacts the top surface of the lower die (1), and the other end contacts the bottom surface of the pressing block (8).

2. A radiation-proof acrylic plate production mold according to claim 1, characterized in that: The top surface of the lower mold (1) is fixedly connected with limiting steps (10) on all sides. The limiting steps (10) are located on the side of the pin hole (6) away from the upper mold (3), and one end of the pressing block (8) away from the upper mold (3) contacts the top surface of the limiting steps (10).

3. The mold for making a radiation-proof acrylic plate according to claim 1, characterized in that: The top surface of the lower mold (1) is provided with an annular groove (14) around the mold cavity (2), a sealing ring (11) is arranged in the annular groove (14), and the upper mold plate (3) is covered on the annular groove (14).

4. The mold for making a radiation-proof acrylic plate according to claim 1, characterized in that: It comprises a vacuum pumping device, which is connected to a vacuum pumping port (5) via a pipeline.

5. The mold for making a radiation-proof acrylic plate according to claim 1, characterized in that: The feed port (4) is provided with a first sealing cover (12).

6. The mold for making a radiation-proof acrylic plate according to claim 1, characterized in that: A second sealing cover (13) is provided on the vacuum port (5).

7. A radiation-proof acrylic plate production mold according to any one of claims 1 to 6, characterized in that: The upper template (3) is made of tempered glass.

8. A radiation-proof acrylic plate production mold according to any one of claims 1 to 6, characterized in that: The inner side of the mold cavity (2) is chrome-plated.

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