CN115302938B - Method for separating glued components - Google Patents

Abstract

The invention provides a method for separating a glued component. The glued component includes a base to be separated, a piece to be separated and a glue layer. The method includes the following steps: Step (1): Make a separation according to the shape of the piece to be separated. Matching pieces; step (2), make a separation control operation body; step (3), put the glue assembly and the separation matching piece into the separation control operation body; step (4), heat all the components located at the bottom. The base to be separated; step (5), use the push rod to push the separation matching piece to realize the separation of the base to be separated and the piece to be separated of the glue assembly. The method for separating glued components provided by the present invention does not require the use of a glue remover and can retain the performance of the parts to be separated to the greatest extent. Through the difference in thermal conductivity of the parts to be separated, the easily conductive parts can be selectively heated to achieve local precise control, thereby Reduce the performance impact of parts to be separated.

Description

A method of separating glued components

Technical field

The present invention relates to a method for efficient and non-destructive separation of glued components, and in particular to a method for separation with large contact surfaces that are difficult to use conventional glue removers.

Background technique

Various types of glue play an important role in aviation, aerospace, high-speed trains, biomedicine, national defense and other industries. For different purposes, silicon with different characteristics such as conductive type (CN11892820B), thermal conductive type (CN104327515B), insulating type (CN108962426B), flame retardant type (CN110093037B), biocompatibility (CN104448838B) and electromagnetic shielding type (CN103665878A) has been developed. rubber.

And more studies are concentrated in improving the adhesive strength indicator (CN108587186B, CN106807258B, CN103601892B, CN1261503C, CN111978549A, CN111171716A, CN103965810B, CN104497906B, C N100577712C). Regarding the removal of glue after bonding, currently the main focus is on the surface removal of photoresist and ultraviolet curing glue (CN212703275U, CN111650821A, CN113031408A). However, the separation method of two glued objects, especially larger-area glued objects, is rarely reported.

Silicone rubber, epoxy glue and UV-curable glue are difficult to remove with conventional solvent methods, and the increase in bonding strength makes efficient and lossless separation of glued objects more difficult. Chinese patent document CN106554862A discloses a solution and removal method for silicone rubber for shock absorption at room temperature. The polar solvent of pyrrolidone breaks the Si-O chemical bonds in the silicone rubber for shock absorption to achieve rapid decomposition of the silicone rubber for shock absorption. . Chinese patent document CN111171966A discloses a cleaning agent that can effectively remove silicone rubber. Both methods require a certain period of soaking to be effective, which can easily lead to contamination or damage to the separated objects, making it impossible to achieve efficient and lossless separation.

Contents of the invention

In view of the above problems, the purpose of the present invention is to provide an efficient and non-destructive method for separating glued components, especially to provide a method for separation with large contact surfaces that are difficult to use conventional glue removers.

In order to achieve the above objects, the present invention adopts the following technical solutions:

The invention provides a method for separating a glued component. The glued component includes a base to be separated, a piece to be separated, and a glue layer. The method includes the following steps:

Step (1), make a separation matching piece according to the shape of the piece to be separated, the separation matching piece covers the piece to be separated and surrounds at least a part of the side of the piece to be separated;

Step (2), make a separation control operating body. The separation control operating body is a hexahedron, including a cavity, and its bottom and one side are open, so that the glue assembly and the separation matching piece can be placed as a whole. into the cavity of the separation control operating body; the separation control operating body is provided with holes on the four unopened sides, including the first hole on the two opposite sides, the other one except the two opposite sides. The second hole on the side and the third hole on the top. The two first holes are used to insert and fix the first fixing rod of the base to be separated. The second hole is used to insert and push the separation matching piece. push rod, the third hole is used to insert and fix the second fixing rod of the separate matching piece;

Step (3): Put the gluing assembly and the separation matching piece into the separation control operating body, insert the two first fixing rods into the two first holes, and insert the two first fixing rods into the second holes. The hole is inserted into the second fixing rod to fix the glue assembly and the separation matching piece in the separation control operating body;

Step (4), heating the base to be separated at the bottom to soften the glue layer of the glue assembly;

Step (5), use the push rod to push the separation matching piece to achieve separation of the base to be separated and the piece to be separated of the glue assembly.

Preferably, the material of the glue layer is selected from at least one of silicone rubber, epoxy glue and ultraviolet curing glue.

Preferably, the separation matching piece is made of a rigid and elastic material, preferably at least one selected from the group consisting of polytetrafluoroethylene, fiberglass board, acrylic board and phenolic resin board.

Preferably, the piece to be separated is made of a functionally brittle material, preferably at least one selected from the group consisting of TeO ₂ crystals, quartz crystals, heavy flint glass and lead-containing glass.

Preferably, the base to be separated is made of a material with heat resistance and rigidity, preferably at least one selected from the group consisting of aluminum alloy materials, stainless steel materials, and K9 glass.

Preferably, the heating temperature in step (4) is not less than 200°C, more preferably, not less than 300°C.

Preferably, the push rod is a screw to achieve precise pushing.

According to the present invention, the characteristic that the bonding force between the glue and the surface of the object is weakened under the action of heat can be fully utilized to design and produce a separation matching piece, which can be precisely pushed by a screw while being heated to achieve efficient and lossless separation.

According to the present invention, it is particularly suitable for items such as silicone rubber, epoxy glue, and ultraviolet curing glue that have strong binding force and are difficult to separate with solvents.

According to the present invention, materials such as rigid and heat-resistant polytetrafluoroethylene, glass fiber boards, etc. can be further selected to make the separation matching parts to avoid damage to the objects during the separation process, and at the same time extend the service life of the separation matching parts, and are suitable for large-scale production .

Compared with the prior art, the present invention has the following beneficial effects:

(1) The method for separating glued components provided by the present invention does not require the use of a glue remover and can retain the performance of the parts to be separated to the greatest extent;

(2) The method for separating glued components provided by the present invention can design separation matching parts according to the characteristics of the parts to be separated, increase the contact surface, and avoid uneven local stress during the separation process;

(3) The method for separating glued components provided by the present invention is suitable for different conditions such as silicone rubber, epoxy glue, UV curing glue, etc. The designed separation matching parts can also be reused, and are both versatile and economical;

(4) The method for separating glued components provided by the present invention can selectively heat easily thermally conductive parts through differences in thermal conductivity of the parts to be separated, achieving local precise control, thereby reducing the impact on the performance of the parts to be separated.

Description of the drawings

Figure 1 is a schematic structural diagram of the glued component to be separated according to the present invention;

Figure 2 is a schematic exploded view of the glued component to be separated according to the present invention;

Figure 3 is a schematic structural diagram of the combination of the glued component and the separate matching piece involved in the present invention;

Figure 4 is a schematic structural diagram of the separation control operating body involved in the present invention;

FIG. 5 is a schematic structural diagram of the assembly of the gluing component and the separation matching piece of FIG. 3 being placed into the separation control operation body of FIG. 4 .

Detailed ways

The present invention will be further described below through the following embodiments. It should be understood that the following embodiments are only used to illustrate the present invention but not to limit the present invention.

The present invention provides a method of separating glued components. As shown in Figures 1 and 2, the gluing assembly 1 includes a base 11 to be separated, a piece 12 to be separated, and a gluing layer 13. The base 11 to be separated is located below the piece 12 to be separated and the gluing layer 13. The layer 13 is located between the base 11 to be separated and the part 12 to be separated. The area occupied by the base 11 to be separated is larger than the area occupied by the part 12 to be separated. The planar shape of the part 12 to be separated is the same as that of the glue layer 13 . The method includes the following steps:

Step (1): Make a separation matching piece 2 according to the shape of the piece to be separated 12. The separation matching piece 2 covers the piece to be separated 12 and surrounds at least a part of the side of the piece to be separated 12. As shown in FIG. 3 , the separation matching piece 2 includes a downwardly opening groove 21 . The groove 21 includes a horizontal inner side 22 and a vertical inner side 23 . The horizontal inner side 22 is in contact with the part 12 to be separated. The upper surface is bonded, and the vertical inner side 23 is bonded with the part to be separated 12 and one side of the glue layer 13 .

Step (2): Make the separation control operating body 3. As shown in Figure 4, the separation control operation body 3 is a hexahedron, including a cavity 31, and its bottom and one side are open, so that the gluing component 1 and the separation matching piece 2 can be placed into the separation control operation body as a whole. 3 in the cavity 31; the separation control operating body 3 is provided with holes on the four unopened sides, including the first holes 32, 33 on the two opposite sides, and the other one in addition to the two opposite sides. The second hole 34 on the side and the third hole 35 on the top. The two first holes 32 and 33 are used to insert the first fixing rod (not shown) that fixes the base 11 to be separated. The second hole 34 is used to insert a push rod (not shown) that pushes the separation matching piece 2 , and the third hole 35 is used to insert a second fixing rod (not shown) that assists in fixing the separation matching piece 2 .

Step (3), put the gluing component 1 and the separation matching piece 2 into the separation control operating body 3, insert the two first fixing rods into the two first holes 32 and 33, and insert the second fixing rod into the second hole 34. Two fixing rods are used to fix the glue assembly 1 and the separation matching piece 2 in the separation control operating body 3, as shown in Figure 5.

Step (4), heat the base 11 to be separated at the bottom to soften the glue layer 13 of the glue assembly 1. Under the action of heat, the bond between the glue layer 13 and the surface of the base 11 to be separated and the part 12 to be separated is The force weakens; the heating temperature depends on the materials of the base 11 to be separated, the parts to be separated 12 and the glue layer 13, preferably, it is not less than 200°C, and more preferably, it is not less than 300°C.

Step (5): Use a push rod to push the separation matching piece 2 to achieve separation of the base 11 to be separated and the piece 12 to be separated of the glue assembly 1 .

According to a preferred embodiment of the present invention, the base to be separated 11 is made of a material with heat resistance and rigidity without any limitation. In the embodiment of the present invention, it is preferably aluminum alloy material, stainless steel material or K9 material. Glass.

According to a preferred embodiment of the present invention, the component to be separated 12 is made of a functionally brittle material without any limitation. In the embodiment of the present invention, it is preferably TeO ₂ crystal, quartz crystal, heavy flint glass or Leaded glass.

According to a preferred embodiment of the present invention, the material of the adhesive layer 13 is selected from at least one of silicone rubber, epoxy glue and ultraviolet curing glue. The adhesive layers of these materials are difficult to separate with solvents.

According to a preferred embodiment of the present invention, the push rod is a screw, and with the help of the screw, the base 11 to be separated and the part to be separated 12 can be separated efficiently and without loss.

According to a preferred embodiment of the present invention, the separation matching piece 2 is made of a rigid and elastic material without any limitation. In the embodiment of the present invention, it is preferably polytetrafluoroethylene, glass fiber board, acrylic board or Phenolic resin board.

The method for separating glued components provided by the present invention does not require the use of a glue remover and can retain the performance of the parts to be separated to the greatest extent.

The method for separating glued components provided by the present invention can design separation matching parts according to the characteristics of the parts to be separated, increase the contact surface, and avoid uneven local stress during the separation process.

The method for separating glued components provided by the present invention is suitable for glued components such as silicone rubber, epoxy glue, and ultraviolet curing glue that have strong binding force and are difficult to separate with solvents. The designed separation matching parts can also be reused, and are both versatile and Economical.

The method for separating glued components provided by the present invention can selectively heat easily thermally conductive parts through differences in thermal conductivity of the parts to be separated, thereby achieving local precise control, thereby reducing the impact on the performance of the parts to be separated.

The method for separating glued components provided by the present invention can make full use of the weakening of the bonding force between the glued layer and the base to be separated and the surface of the parts to be separated under the action of heat. It can design and produce separation matching parts, and use screws to precisely heat them while heating. Promote efficient and lossless separation.

The method for separating glued components provided by the present invention further selects polytetrafluoroethylene, glass fiber board and other materials with both rigidity and heat resistance to make the separation matching parts to avoid damage to the separation parts during the separation process and at the same time extend the service life of the separation matching parts. Long service life, suitable for mass production.

The following further examples are given to illustrate the present invention in detail. It should also be understood that the following examples are only used to further illustrate the present invention and cannot be understood as limiting the scope of the present invention. Some non-essential improvements and adjustments made by those skilled in the art based on the above contents of the present invention all belong to the present invention. scope of protection. The specific process parameters in the following examples are only an example of the appropriate range, that is, those skilled in the art can make selections within the appropriate range through the description herein, and are not limited to the specific values exemplified below.

Example 1

The parts to be separated are TeO ₂ crystals, the base to be separated is made of aluminum alloy, and the gluing layer is made of room temperature vulcanized silicone rubber, see Figures 1 and 2.

First, according to the shape of the TeO ₂ crystal, the separation matching parts are designed, and the material is polytetrafluoroethylene, as shown in Figure 3. Then based on the aluminum alloy base, _TeO2 crystal and separation matching components, the separation control operation body is designed, as shown in Figure 4. In Figure 4, the two lower screw holes on the side are used to insert the fixing rods that fix the aluminum alloy base. The screw holes on the top are used to insert the fixing rods that assist in separating the matching parts. The screw holes on the right side are used for connection. Push the screw. During operation, the glued components to be separated and the separation matching parts of the _TeO2 crystal are placed into the corresponding openings of the separation control operation body to form the separation control operation as a whole, see Figure 5. Finally, a heating platform is used to heat the aluminum alloy base. When the temperature rises above 300°C, the screw is pushed so that the separation matching parts act on the _TeO2 crystal to achieve lossless separation.

Example 2

The parts to be separated are made of quartz crystal, the base to be separated is made of stainless steel, and the gluing layer is made of UV-curable glue.

First, according to the shape of the quartz crystal, the separation matching parts are designed, and the material is a fiberglass board. Then the separation control operation body is designed, and the method in Embodiment 1 is used to achieve lossless separation of the quartz crystal. The separated base can be reused.

Finally, it is necessary to explain here that the above examples are only used to further explain the technical solution of the present invention in detail and cannot be understood as limiting the protection scope of the present invention. Those skilled in the art will make decisions based on the above content of the present invention. Some non-essential improvements and adjustments belong to the protection scope of the present invention.

Claims (9)

1. A method for separating gluing components, characterized in that the gluing component includes a base to be separated, a piece to be separated and a gluing layer, and the method includes the following steps: Step (1), make a separation matching piece according to the shape of the piece to be separated, the separation matching piece covers the piece to be separated and surrounds at least a part of the side of the piece to be separated; Step (2), make a separation control operating body. The separation control operating body is a hexahedron, including a cavity, and its bottom and one side are open, so that the glue assembly and the separation matching piece can be placed as a whole. into the cavity of the separation control operating body; the separation control operating body is provided with holes on the four unopened sides, including the first hole on the two opposite sides, the other one except the two opposite sides. The second hole on the side and the third hole on the top. The two first holes are used to insert and fix the first fixing rod of the base to be separated. The second hole is used to insert and push the separation matching piece. push rod, the third hole is used to insert and fix the second fixing rod of the separate matching piece; Step (3): Put the gluing assembly and the separation matching piece into the separation control operating body, insert the two first fixing rods into the two first holes, and insert the two first fixing rods into the second holes. The hole is inserted into the second fixing rod to fix the glue assembly and the separation matching piece in the separation control operating body; Step (4), heating the base to be separated at the bottom to soften the glue layer of the glue component, the material of the glue layer being selected from at least one of silicone rubber, epoxy glue and ultraviolet curing glue, The heating temperature is not less than 200°C; Step (5), use the push rod to push the separation matching piece to achieve separation of the base to be separated and the piece to be separated of the glue assembly. 2. The method according to claim 1, characterized in that the separation matching piece is made of rigid and elastic material. 3. The method according to claim 2, wherein the separation matching piece is selected from at least one of polytetrafluoroethylene, fiberglass board, acrylic board and phenolic resin board. 4. The method according to any one of claims 1 to 3, characterized in that the parts to be separated are made of functionally brittle material. 5. The method according to claim 4, characterized in that the piece to be separated is selected from at least one of _TeO2 crystal, quartz crystal, heavy flint glass and lead-containing glass. 6. The method according to any one of claims 1 to 3, characterized in that the base to be separated is made of heat-resistant and rigid material. 7. The method according to claim 6, characterized in that the base to be separated is selected from at least one of aluminum alloy materials, stainless steel materials and K9 glass. 8. The method according to any one of claims 1-3, characterized in that the heating temperature in step (4) is not less than 300°C. 9. The method according to any one of claims 1-3, characterized in that the push rod is a screw rod to achieve precise pushing.