Pressurizing combination device for polymer and metal sample

Abstract

The embodiment discloses a polymer and metal sample pressurization combination device, the device comprises a base, a heating assembly, a supporting tool and a pressurization assembly, the base is provided with a first surface and a second surface, and a heat insulation sleeve is arranged on the first surface; the heating assembly comprises a heating rod, a temperature sensor and a heat conduction piece arranged in the containing cavity, the heating rod is embedded in the heat conduction piece, and one end of the heating rod extends out of the heat conduction piece to be connected with the temperature sensor; the pressurizing assembly comprises a pressing head, a pressure sensor and a mounting block located above the heat conduction piece, the lower end of the pressure sensor extends to the heat conduction piece and is connected with the pressing head, and the upper end of the pressure sensor is connected with the mounting block through a locking piece. The device is simple in structure, convenient to operate and low in manufacturing cost, can be repeatedly used for multiple times, can also ensure that the binding force of different polymers and metals can be tested under the adjustment of the same fusion depth, and is beneficial to improving the accuracy of the subsequent binding force test of polymer parts and metal sheets.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure bonding, in particular to a pressure bonding device for polymers and metal specimens. Background Art

[0002] For multi-material and composite structure parts composed of metals and polymer materials, the bonding quality between the two is an important factor in ensuring the mechanical properties of the parts. Among them, hot pressing is a commonly used bonding method in the production of metal and thermoplastic polymer parts, and the magnitude of the load applied during hot pressing has a great influence on the properties of the metal and thermoplastic polymer after bonding. Therefore, it is necessary to set up a pressure bonding device for polymers and metal specimens, so that the polymers and metals can be more quickly and conveniently bonded to form specimens, ensuring the accuracy of subsequent measurement of the bonding force between the polymers and metals in the specimens. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a pressure bonding device for polymers and metal specimens.

[0004] An embodiment of the present application provides a pressure bonding device for polymers and metal specimens, including:

[0005] A base having opposite first and second surfaces along a first direction, an insulating sleeve is provided on the first surface, and a receiving cavity is defined inside the insulating sleeve;

[0006] A heating assembly including a heating rod, a temperature sensor, and a heat conducting member placed in the receiving cavity, the top surface of the heat conducting member is higher than the top surface of the insulating sleeve, and the top surface of the heat conducting member is used to place the metal sheet to be bonded, the heating rod is embedded inside the heat conducting member, and one end of the heating rod extends outside the heat conducting member and is connected to the temperature sensor, and the temperature sensor is configured to obtain the temperature value of the heating rod;

[0007] A support tooling provided on the first surface and located outside the insulating sleeve for supporting one end of the polymer part away from the heat conducting member;

[0008] A pressurizing assembly including a pressure head, a pressure sensor, and a mounting block located above the heat conducting member, the mounting block can reciprocate closer to or away from the heat conducting member, the lower end of the pressure sensor extends towards the heat conducting member and is connected to the pressure head, and the upper end of the pressure sensor is connected to the mounting block through a locking member so as to be able to adjust the distance from the pressure head to the top surface of the heat conducting member.

[0009] In one embodiment, a first limiting groove for placing a metal sheet is provided on the top surface of the heat conducting member, and a stop block is provided at one end of the first limiting groove away from the supporting tooling.

[0010] In one embodiment, the supporting tooling includes a supporting seat, and the top surface of the supporting seat supports one end of the polymer member away from the heat conducting member.

[0011] In one embodiment, a second limiting groove is formed on the top surface of the supporting seat, and the second limiting groove is used for placing one end of the polymer member away from the heat conducting member.

[0012] In one embodiment, the supporting tooling further includes an adjusting block, a screw rod is provided on the top surface of the adjusting block, and a threaded hole adapted to the screw rod is formed on the bottom surface of the supporting seat;

[0013] Wherein, when the adjusting block is rotated, the screw rod is screwed into or out of the threaded hole to adjust the height of the supporting seat.

[0014] In one embodiment, the supporting tooling includes two connecting plates symmetrically connected to the first surface, a limiting space is defined between the two connecting plates, the supporting seat is located in the limiting space, and two outer side surfaces of the supporting seat are respectively abutted against the inner sides of the upper parts of the two connecting plates.

[0015] In one embodiment, the upper end of the pressure sensor has a threaded section, an installation hole is provided in the middle of the installation block, and an internal thread adapted to the threaded section is provided on the inner wall of the installation hole.

[0016] In one embodiment, the pressurizing assembly further includes a connecting bar, a pressure handle and a fixing seat connected to the first surface. One end of the connecting bar is connected to the installation block, the other end of the connecting bar away from the installation block is hinged to the top of the fixing seat, the pressure handle is liftably arranged on the top of the fixing seat, and one end of the pressure handle is connected to the connecting bar.

[0017] In one embodiment, a convex platform protruding upward is provided on the top of the fixing seat, an installation groove is formed in the convex platform, the other end of the connecting bar away from the installation block is hinged in the installation groove, and the part of the pressure handle extending into the connecting bar is located in the installation groove.

[0018] In one embodiment, a rotating shaft is connected to the other end of the connecting bar away from the installation block, and both ends of the rotating shaft are rotatably connected to the convex platform.

[0019] Compared with the prior art, the above technical solutions provided by the embodiments of the present application have the following beneficial effects:

[0020] Place the metal sheet on the top surface of the heat conducting member. Then, lap one end of the polymer on the surface of the metal sheet, place the other end of the polymer on the support tooling. Then, drive the mounting block closer to the heat conducting member so that the driving punch presses the polymer and the metal sheet tightly. At the same time, use the heating rod to generate heat and conduct it to the heat conducting member so that the metal sheet is heated to the temperature value required for bonding, thereby completing the bonding of the polymer and the metal sheet. The structure is simple, the operation is convenient, the manufacturing cost is low, and it can be used repeatedly. Moreover, by adjusting the locking member, the pressure sensor can be adjusted up and down, so that under the adjustment of ensuring the same melt depth, the distance from the punch to the top surface of the heat conducting member can be adjusted to the corresponding position, ensuring the test of the bonding force between different polymers and metals under the adjustment of the same melt depth, which is beneficial to improving the accuracy of the subsequent bonding force test between the polymer part and the metal sheet. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of a pressure bonding device for a polymer and a metal specimen of the present application;

[0022] Figure 2 is a schematic structural diagram of another perspective of a pressure bonding device for a polymer and a metal specimen of the present application;

[0023] Figure 3 is a schematic structural diagram of a support tooling in a pressure bonding device for a polymer and a metal specimen of the present application.

[0024] Reference numerals in the figure:

[0025] 10, base; 11, first surface; 12, second surface; 20, heat insulation sleeve; 30, heating assembly; 31, heat conducting member; 31a, first limiting groove; 32, temperature sensor; 40, support tooling; 41, support seat; 41a, second limiting groove; 42, adjusting block; 43, connecting plate; 44, screw; 50, pressure applying assembly; 51, punch; 52, pressure sensor; 53, mounting block; 54, connecting bar; 55, pressure handle; 56, fixed seat; 57, boss; 57a, mounting groove; 58, locking member; 60, stop block; 70, metal sheet; 80, polymer part. Detailed Embodiments

[0026] For a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientation or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are based on the orientation or positional relationships shown in the accompanying drawings and are in a specific orientation structure and operation. This is only for the convenience of describing the present technical solution and does not indicate that the indicated device or element must have a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0027] The following will further describe in detail the specific embodiments of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model but are not intended to limit the scope of the present utility model.

[0028] Please refer to Figures 1 to 3 , an embodiment of the present application provides a pressurized bonding device for a polymer and a metal specimen. The device includes a base 10, a heating assembly 30, a support tooling 40, and a pressurizing assembly 50.

[0029] Specifically, the base 10 has opposite first and second surfaces 11 and 12 along a first direction. An insulation sleeve 20 is provided on the first surface 11, and an accommodation cavity is defined inside the insulation sleeve 20. The heating assembly 30 includes a heating rod, a temperature sensor 32, and a heat conducting member 31 placed in the accommodation cavity. The top surface of the heat conducting member 31 is higher than the top surface of the insulation sleeve 20, and the top surface of the heat conducting member 31 is used to place the metal sheet 70 to be bonded. The heating rod is embedded inside the heat conducting member 31, and one end of the heating rod extends out of the heat conducting member 31 and is connected to the temperature sensor 32. The temperature sensor 32 is configured to obtain the temperature value of the heating rod. The support tooling 40 is provided on the first surface 11 and is located outside the insulation sleeve 20, and is used to support one end of the polymer part 80 away from the heat conducting member 31. The pressurizing assembly 50 includes a pressure head 51, a pressure sensor 52, and a mounting block 53 located above the heat conducting member 31. The mounting block 53 can reciprocate closer to or farther away from the heat conducting member 31. The lower end of the pressure sensor 52 extends towards the heat conducting member 31 and is connected to the pressure head 51. The upper end of the pressure sensor 52 is connected to the mounting block 53 through a locking member 58, so as to be able to adjust the distance from the pressure head 51 to the top surface of the heat conducting member 31.

[0030] Exemplarily, when the current pressure bonding device bonds different polymers to metals, the same load is applied to bond the polymer to the metal. This results in different melting depths when bonding different polymers to metals, causing inaccuracies when comparing the bonding forces of different polymer-metal combinations. In this regard, in the embodiments of the present application, by loosening the locking member 58 and then adjusting the pressure sensor 52 up and down, the distance from the indenter 51 to the top surface of the heat conducting member 31 can be adjusted to a corresponding position while ensuring the same melting depth. This can ensure the testing of the bonding forces of different polymers to metals under the adjustment of the same melting depth, thereby improving the accuracy of subsequent tests. For example: Taking the testing of the bonding forces of polymer A and polymer B to copper respectively and ensuring the same melting depth of 5 mm as an example, when polymer A is bonded to copper and the melting depth is ensured to be 5 mm, the distance from the indenter 51 to the top surface of the heat conducting member 31 is 3 cm; when polymer B is bonded to copper and the melting depth is ensured to be 5 mm, the distance from the indenter 51 to the top surface of the heat conducting member 31 is 3.8 cm. At this time, the locking member 58 needs to be loosened to adjust the pressure sensor 52, so as to drive the indenter 51 connected to the lower end of the pressure sensor 52 to be adjusted until the indenter 51 is adjusted to a position 3.8 mm away from the top surface of the heat conducting member 31, and then the locking member 58 is tightened again to complete the adjustment of the indenter 51.

[0031] In addition, it should be noted that the locking member 58 can be a lock nut, and the upper end of the pressure sensor is provided with an external thread, so that the pressure sensor can be adjustably connected to the mounting block by means of threaded connection.

[0032] Exemplarily, the heat insulating sleeve 20 is provided to prevent the heat generated by the heating assembly 30 from being transferred to the base 10, resulting in heat loss and inability to heat the contact portion between the metal sheet 70 and the polymer part 80 to the required temperature, leading to the problem of incomplete bonding between the polymer part 80 and the metal sheet 70. In addition, it should be pointed out that the heat insulating sleeve 20 can be made of organic thermal insulation materials, can also be made of inorganic thermal insulation materials, or can be made of other heat insulating materials in the prior art, and no limitation is made in this regard.

[0033] Here, it should be noted that the above-mentioned "first direction" is a virtual direction for conveniently describing the installation orientation of the heat insulating sleeve 20, the support tooling 40, and the pressure applying assembly 50, and specifically can refer to the thickness direction of the base 10 (refer to the X direction in Figure 1 ).

[0034] Exemplarily, the heat conducting member 31 can be made of a metal with good thermal conductivity, as long as the heat conducting member 31 made can quickly conduct the heat generated by the heating rod to the metal sheet 70 to achieve the purpose of heating the metal sheet 70 to the temperature required for combination with the polymer member 80, and there is no limitation in this regard. In this embodiment, considering cost and thermal conductivity, the heat conducting member 31 is made of copper.

[0035] Exemplarily, after the heat conducting member 31 is placed in the accommodating cavity formed by the heat insulation sleeve 20, it is necessary to ensure that the top surface of the heat conducting member 31 is higher than the top surface of the heat insulation sleeve 20 to prevent one end of the polymer member 80 extending towards the metal sheet 70 from being supported by the top surface of the heat insulation sleeve 20, thereby causing the polymer member 80 to be unable to overlap with the surface of the metal sheet 70 and resulting in the inability to combine the metal sheet 70 and the polymer member 80.

[0036] Exemplarily, by arranging a temperature sensor 32 at one end of the heating rod extending out of the heat conducting member 31, the temperature value of the heating rod can be obtained by using the temperature sensor 32, and the temperature of the heating rod can be known at all times, so that the heating rod can be adjusted according to the temperature value required for the combination of the metal sheet 70 and the polymer member 80.

[0037] Exemplarily, the support tooling 40 is provided to support one end of the polymer member 80 away from the heat conducting member 31, so that when the pressurizing assembly 50 pressurizes the connection between the metal sheet 70 and the polymer member 80, the polymer member 80 can be prevented from falling off.

[0038] Exemplarily, the way to drive the mounting block 53 to approach or move away from the heat conducting member 31 can be manual or can be carried out by using a power component (such as a cylinder, etc.), and there is no limitation in this regard. In addition, the pressure sensor 52 is provided to detect the load applied to the metal sheet 70 and the polymer member 80 and transmit the obtained result to the instrument for display, so that the experimenter can observe the magnitude of the applied load.

[0039] The pressurized bonding device for polymers and metal specimens based on the above structure places the metal sheet 70 on the top surface of the heat-conducting member 31. Then, one end of the polymer is lapped on the surface of the metal sheet 70, and the other end of the polymer is placed on the support tooling 40. Then, the driving mounting block 53 is driven closer to the heat-conducting member 31 so that the driving indenter 51 presses the polymer and the metal sheet 70 tightly. At the same time, the heating rod generates heat and conducts it to the heat-conducting member 31 so that the metal sheet 70 is heated to the temperature value required for bonding, thereby completing the bonding of the polymer and the metal sheet 70. The structure is simple, the operation is convenient, the manufacturing cost is low, and it can be used repeatedly. Moreover, the locking member 58 can be adjusted so that the pressure sensor 52 can be adjusted up and down, so that under the adjustment of ensuring the same melt depth, the distance from the indenter 51 to the top surface of the heat-conducting member 31 can be adjusted to the corresponding position, ensuring the test of the bonding force between different polymers and metals under the adjustment of the same melt depth, which is beneficial to improving the accuracy of the subsequent bonding force test between the polymer part 80 and the metal sheet 70.

[0040] In one embodiment, the top surface of the heat-conducting member 31 is provided with a first limiting groove 31a for placing the metal sheet 70, and a stop block 60 is provided at one end of the first limiting groove 31a away from the support tooling 40. In this way, the metal sheet 70 can be limited, avoiding the problem that the metal sheet 70 moves during the pressurized bonding process, resulting in poor bonding effect between the metal sheet 70 and the polymer.

[0041] In one embodiment, the support tooling 40 includes a support base 41, and the top surface of the support base 41 supports one end of the polymer part 80 away from the heat-conducting member 31. It should be noted that the support base 41 is movably connected to the base 10 so that the bonding area between the metal sheet 70 and the polymer part 80 can be changed by adjusting the distance between the support base 41 and the heat-insulating sleeve 20, thereby meeting different bonding area requirements.

[0042] In one embodiment, the top surface of the support base 41 is provided with a second limiting groove 41a for placing one end of the polymer part 80 away from the heat-conducting member 31. In this way, the polymer part 80 can be limited to avoid the problem that the polymer part 80 moves during the pressurized bonding process, resulting in poor bonding effect between the metal sheet 70 and the polymer.

[0043] In one embodiment, the support tooling 40 further includes an adjusting block 42, the top surface of the adjusting block 42 is provided with a screw rod 44, and the bottom surface of the support base 41 is provided with a threaded hole adapted to the screw rod 44. Among them, when the adjusting block 42 is rotated, the screw rod 44 is screwed into or out of the threaded hole to realize the adjustment of the height of the support base 41.

[0044] Exemplarily, when the thickness of the metal sheet 70 is different, the adjusting block 42 can be rotated so that the screw 44 is screwed into or out of the threaded hole, thereby enabling the height of the support base 41 to be adjusted according to the thicknesses of the metal sheet 70 to be pressed and the polymer part 80. The structure is simple and the adjustment is convenient.

[0045] In one embodiment, the support tooling 40 includes two connecting plates 43 symmetrically connected to the first surface 11. A limiting space is defined between the two connecting plates 43. The support base 41 is located within the limiting space, and the two outer sides of the support base 41 are respectively abutted against the inner sides of the upper parts of the two connecting plates 43. In this way, when adjusting the support base 41 to move towards the heat insulation sleeve 20, it can be ensured that the support base 41 does not shift, ensuring that the support base 41 and the heat conducting member 31 are on the same straight line, so as to better support the metal sheet 70 and the polymer part 80.

[0046] In one embodiment, the upper end of the pressure sensor 52 has a threaded section, and the middle part of the mounting block 53 is provided with a mounting hole. The inner wall of the mounting hole is provided with an internal thread adapted to the threaded section. In this way, the pressure sensor 52 can be detachably connected to the mounting block 53, facilitating the subsequent replacement of the pressure sensor 52.

[0047] In one embodiment, the pressurizing assembly 50 further includes a connecting bar 54, a pressure handle 55, and a fixed seat 56 connected to the first surface 11. One end of the connecting bar 54 is connected to the mounting block 53, the end of the connecting bar 54 away from the mounting block 53 is hinged to the top of the fixed seat 56, the pressure handle 55 is liftably arranged on the top of the fixed seat 56, and one end of the pressure handle 55 is connected to the connecting bar 54.

[0048] Exemplarily, when it is necessary to apply pressure to the metal sheet 70 and the polymer part 80, by lifting or pressing down the pressure handle 55, since the pressure handle 55 is connected to the connecting bar 54 and the connecting bar 54 is hinged to the top of the fixed seat 56, the connecting bar 54 can be driven to move downward or upward, thereby driving the pressing head 51 to approach or move away from the heat conducting member 31, so as to apply the required pressure value to the metal sheet 70 and the polymer part 80. The structure is simple and the operation is convenient.

[0049] In one embodiment, the top of the fixed seat 56 is provided with an upwardly protruding boss 57. The boss 57 is provided with a mounting groove 57a. The end of the connecting bar 54 away from the mounting block 53 is hinged in the mounting groove 57a, and the part of the pressure handle extending into the connecting bar 54 is located in the mounting groove 57a.

[0050] In one embodiment, the end of the connecting bar 54 away from the mounting block 53 is connected with a rotating shaft, and both ends of the rotating shaft are rotatably connected to the boss 57.

[0051] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and substitutions can be made, and these improvements and substitutions should also be regarded as the protection scope of the present utility model.

Claims

1. A pressure bonding device for a polymer and a metal specimen, characterized in that, Comprising: A base having opposite first and second surfaces along a first direction, an insulating sleeve provided on the first surface, and a receiving cavity defined inside the insulating sleeve; A heating assembly including a heating rod, a temperature sensor, and a heat conducting member placed inside the receiving cavity. The top surface of the heat conducting member is higher than the top surface of the insulating sleeve, and the top surface of the heat conducting member is for placing metal sheets to be joined. The heating rod is embedded inside the heat conducting member, and one end of the heating rod extends outside the heat conducting member and is connected to the temperature sensor. The temperature sensor is configured to obtain the temperature value of the heating rod; A support tooling provided on the first surface and located outside the insulating sleeve for supporting one end of the polymer part away from the heat conducting member; A pressurizing assembly including a pressure head, a pressure sensor, and a mounting block located above the heat conducting member. The mounting block can reciprocate closer to or farther from the heat conducting member. The lower end of the pressure sensor extends towards the heat conducting member and is connected to the pressure head. The upper end of the pressure sensor is connected to the mounting block through a locking member so as to be able to adjust the distance from the pressure head to the top surface of the heat conducting member.

2. The pressure bonding device for the polymer and the metal specimen according to claim 1, wherein A first limiting groove for placing the metal sheet is provided on the top surface of the heat conducting member, and a stop block is provided at one end of the first limiting groove away from the support tooling.

3. The pressure bonding device for the polymer and the metal specimen according to claim 1, characterized in that, The support tooling includes a support seat, and the top surface of the support seat supports one end of the polymer part away from the heat conducting member.

4. The pressurized bonding device for the polymer and the metal specimen according to claim 3, characterized in that, A second limiting groove is formed on the top surface of the support seat for placing one end of the polymer part away from the heat conducting member.

5. The pressurized bonding device for the polymer and the metal specimen according to claim 3, characterized in that, The support tooling further includes an adjusting block, and a screw rod is provided on the top surface of the adjusting block. A threaded hole adapted to the screw rod is formed on the bottom surface of the support seat; Wherein, when the adjusting block is rotated, the screw rod screws into or out of the threaded hole to adjust the height of the support seat.

6. The pressurized bonding device for the polymer and the metal specimen according to claim 3, wherein, The support tooling includes two connecting plates symmetrically connected to the first surface. A limiting space is defined between the two connecting plates. The support seat is located inside the limiting space, and the two outer sides of the support seat are respectively abutted against the inner sides of the upper parts of the two connecting plates.

7. The pressure bonding device for a polymer and a metal specimen according to claim 1, wherein The upper end of the pressure sensor has a threaded section, and a mounting hole is provided in the middle of the mounting block. Internal threads adapted to the threaded section are provided on the inner wall of the mounting hole.

8. The pressure bonding device for a polymer and a metal specimen according to claim 1, characterized in that, The pressurizing assembly further includes a connecting bar, a pressure handle, and a fixed seat connected to the first surface. One end of the connecting bar is connected to the mounting block, and the end of the connecting bar away from the mounting block is hinged to the top of the fixed seat. The pressure handle is liftably provided on the top of the fixed seat, and one end of the pressure handle is connected to the connecting bar.

9. The pressure bonding device for the polymer and the metal specimen according to claim 8, characterized in that, A convex platform protruding upward is provided on the top of the fixed seat. A mounting groove is formed in the convex platform. The end of the connecting bar away from the mounting block is hinged in the mounting groove, and the part of the pressure handle extending into the connecting bar is located in the mounting groove.

10. The pressure bonding device for the polymer and the metal specimen according to claim 9, characterized in that, A rotating shaft is connected to the end of the connecting bar away from the mounting block, and both ends of the rotating shaft are rotatably connected to the convex platform.

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