Sensor lamination device

Abstract

The utility model discloses a sensor overlay welding device, include: first drive source and second drive source, the output of first drive source is provided with the locating link, and first drive source can drive locating link rotation, and the output of second drive source is provided with the compression part, the compression part includes fixed part and compression spare, and compression spare is rotatable with fixed part, and compression spare is opposite to locating link setting, and the locating link between compression spare is provided with the fixed part, and the fixed part has the inner chamber, and the inner chamber is used for accommodating sensor assembly. The sensor overlay welding device through the cooperation of first drive source and second drive source, realized the accurate positioning and stable compression of sensor assembly. Among them, first drive source drives locating link rotation, and second drive source then drives compression part to move, makes compression spare insert fixed part inner chamber to cooperate locating link compression sensor assembly.

Description

Technical Field

[0001] This utility model relates to the field of sensor welding fixture technology, and in particular to a sensor stacking welding device. Background Technology

[0002] With the continuous development of sensor technology, sensors are increasingly widely used in fields such as industrial automation, consumer electronics, and medical devices. In the sensor manufacturing process, the lap-soldering process is a crucial step in stacking and welding the various components of the sensor (such as the base, diaphragm, and welding cap) together in a specific order. However, traditional lap-soldering devices typically employ a simple fixing method, which makes the sensor components prone to shifting or loosening during the welding process, affecting the welding quality.

[0003] Therefore, there is an urgent need for a stacking welding device that can achieve precise positioning and stable clamping of sensor components in order to improve the welding quality of sensors. Utility Model Content

[0004] The main purpose of this invention is to provide a sensor stacking device to solve the above-mentioned technical problems.

[0005] The objective of this utility model can be achieved by adopting the following technical solution:

[0006] A sensor stacking device includes: a first driving source and a second driving source. The output end of the first driving source is provided with a positioning link, which is capable of driving the positioning link to rotate. The output end of the second driving source is provided with a clamping part. The clamping part includes a fixing part and a clamping member, which is rotatably connected to the fixing part. The clamping member is disposed opposite to the positioning link, and a positioning part is provided between the clamping member and the positioning link. The positioning part has an inner cavity for accommodating a sensor assembly.

[0007] The second driving source can drive the clamping part to move in a direction close to the positioning link, so that the clamping member is inserted into the inner cavity to cooperate with the positioning link to clamp the sensor assembly.

[0008] The first driving source is a motor, and the output end of the motor is provided with a clamping part, which clamps the positioning link.

[0009] The positioning link has a groove at the end away from the first drive source, which is used to accommodate the sensor assembly.

[0010] Wherein, the second driving source is a cylinder, the fixed part is a push plate, and the push plate is disposed at the output end of the cylinder.

[0011] The push plate is provided with a bearing, and the clamping member is connected to the bearing.

[0012] The positioning part includes an adjacent first ring and a second ring. The inner diameter of the first ring is larger than the inner diameter of the second ring. The first ring is used to accommodate the sensor assembly, and the second ring forms a blocking part to restrict the sensor assembly from moving in the direction of the second ring.

[0013] The positioning link, the positioning part, and the clamping member are coaxially arranged.

[0014] The inner diameter of the second ring is larger than the outer diameter of the clamping member.

[0015] The system also includes a base, on which a first support member and a second support member are disposed opposite to each other. The first drive source is fixed to the first support member, and the second drive source is fixed to the second support member.

[0016] The first support member includes two opposing support plates and a fixing plate disposed between the support plates, and the first drive source is fixed to the fixing plate.

[0017] The beneficial technical effects of this utility model are as follows:

[0018] This sensor stacking welding device achieves precise positioning and stable clamping of the sensor assembly through the coordinated operation of a first drive source and a second drive source. The first drive source rotates the positioning linkage, while the second drive source moves the clamping part, causing the clamping component to insert into the inner cavity of the positioning part to cooperate with the positioning linkage in clamping the sensor assembly. This structural design ensures that the sensor assembly is reliably fixed within the inner cavity of the positioning part, avoiding displacement and loosening during the welding process after the positioning part is removed. Simultaneously, the rotatable connection between the clamping component and the fixing part allows it to rotate synchronously with the positioning linkage while maintaining clamping, facilitating omnidirectional welding of the sensor assembly. This solves the welding quality problems caused by the simple fixing method in traditional stacking welding devices, achieving high-quality welding of the sensor assembly. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A three-dimensional schematic diagram of the sensor stacking device provided in the embodiment of this utility model;

[0021] Figure 2 for Figure 1 Enlarged diagram of A in the middle;

[0022] Figure 3 A schematic cross-sectional view of the sensor stacking device provided in this embodiment of the utility model;

[0023] Figure 4 for Figure 3 Enlarged diagram of B in the middle;

[0024] Figure 5 for Figure 4 Enlarged diagram of C in the middle;

[0025] Figure 6 This is an enlarged schematic diagram of the clamping part in the sensor stacking device provided in the embodiment of this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] In the diagram: 10-First drive source, 20-Positioning link, 21-Groove, 22-Cylindrical section, 30-Second drive source, 50-Fixing part, 51-Bearing, 60-Clamping part, 70-Positioning part, 71-First ring part, 72-Second ring part, 73-Inner cavity, 80-Sensor assembly, 82-Middle seat, 83-Tube seat, 84-Pressure ring, 85-Diaphragm, 86-Welding cap, 90-Base, 100-First support member, 101-Support plate, 102-Fixing plate, 110-Second support member, 120-Clamping part, 121-Claw base, 122-Clamping arm, 124-Slide groove, 125-Guide protrusion, 126-Guide groove, 127-Threaded hole, 128-Fixing bolt. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0030] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0031] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0032] like Figures 1-6 As shown in the figure, a sensor stacking device provided in this embodiment of the present invention includes a first driving source 10 and a second driving source 30. The output end of the first driving source 10 is provided with a positioning link 20, which can drive the positioning link 20 to rotate. The output end of the second driving source 30 is provided with a pressing part. The pressing part includes a fixing part 50 and a pressing member 60, which is rotatably connected to the fixing part 50. The pressing member 60 is disposed opposite to the positioning link 20, and a positioning part 70 is provided between the pressing member 60 and the positioning link 20. The positioning part 70 has an inner cavity 73 for accommodating a sensor assembly 80. The second driving source 30 can drive the pressing part to move in a direction close to the positioning link 20, so that the pressing member 60 is inserted into the inner cavity 73 to cooperate with the positioning link 20 to press the sensor assembly 80.

[0033] In this embodiment, the positioning part 70 can carry the sensor assembly 80 into the end of the positioning link 20 away from the first driving source 10. After the positioning part 70 is fixed in position, the second driving source 30 drives its output end, causing the fixing part 50 of the output end to drive the clamping member 60 toward the positioning part 70 until the clamping member 60 is inserted into the inner cavity 73 of the positioning part 70, clamping the sensor assembly 80 inside the positioning part 70. After clamping is completed, the positioning part 70 is moved to a predetermined position to disengage it from the sensor assembly 80, and then the sensor assembly 80 can be welded. Here, the predetermined position is the outer side of the clamping member 60.

[0034] In this embodiment, the positioning part 70 acts as an auxiliary clamp, placing the sensor assembly 80 in its inner cavity 73 to stack the components coaxially together, so as to facilitate welding the stacked sensor components.

[0035] In this embodiment, the inner cavity 73 of the positioning part 70 is a cavity that extends through both ends and runs through the entire axial length of the positioning part 70, forming a ring structure. The design of the inner cavity 73 as a cavity that extends through both ends not only facilitates the insertion of the sensor assembly 80 and the insertion of the clamping member 60, but also facilitates the positioning part 70 to move to one side after clamping, detaching from the sensor assembly 80 and exposing sufficient welding space.

[0036] In this embodiment, the clamping member 60 is connected to the second driving source 30 through the fixing part 50 and has a rotation function so as to rotate and cooperate with the positioning link 20 at one end of the first driving source 10. By rotating together, the outer periphery of the sensor component can be welded.

[0037] In this embodiment, the sensor assembly 80 includes components such as a sensor base, a diaphragm 85, and a welding cap 86 stacked along a preset direction. These components need to be stacked and welded to form a whole. The sensor base includes a central base 82 and a tube base 83 arranged sequentially. A pressure ring 84 is provided on the side of the tube base 83 near the positioning link 20. When the sensor assembly 80 is pressed by the clamping member 60, the pressure ring 84 is located on the side near the positioning link 20, and the welding cap 86 is located on the side near the clamping member 60.

[0038] In one embodiment, the first driving source 10 is a motor, and the output end of the motor is provided with a clamping part 120, which clamps the positioning link 20.

[0039] In this embodiment, as Figure 1 and Figure 2 As shown, the output end of the motor is equipped with a gripper as a clamping part 120, which is the output shaft. The gripper holds the positioning link 20, and the motor can drive the gripper to rotate through its output shaft, thereby enabling the positioning link 20 to rotate. This structure facilitates the motor to control the rotational position and angle of the positioning link 20, thus ensuring the accuracy requirements during the welding process.

[0040] In one specific embodiment, such as Figure 6 As shown, the clamping part can adopt a quick-change gripper structure design, including a gripper base 121 and a detachable gripper head. The gripper base 121 is fixedly connected to the motor output shaft. The gripper head is a triangular claw structure with three evenly distributed gripping arms 122, capable of evenly clamping the positioning link 20 from three directions, ensuring the coaxiality of the positioning link 20 with the motor output shaft. The triangular claw is connected to the gripper base 121 via a quick-locking mechanism using threaded bolt fasteners; simply rotating the bolts allows for quick installation or removal of the gripper head. This design facilitates the replacement of the corresponding gripper head according to different specifications of the positioning link 20, improving the applicability of the device.

[0041] In a more specific embodiment, the gripper base 121 has three radially arranged grooves 124 on the side away from the motor, and guide protrusions 125 are provided on the inner wall of the grooves 124. The side wall of the gripping arm 122 has a guide groove 126 corresponding to the guide protrusions 125, allowing the gripping arm 122 to slide along the guide protrusions 125 for radial adjustment. When the gripping arm 122 slides towards the center of the gripper base 121, it clamps the positioning link 20. A threaded hole 127 is provided on the outer side of the gripping arm 122, and a fixing bolt 128 is installed in the threaded hole 127. Tightening the fixing bolt 128 secures the gripping arm 122 within its corresponding groove 124. This guide structure design ensures that the gripping arm 122 always moves radially during adjustment, preventing deflection and improving the stability and consistency of the gripping.

[0042] In one embodiment, the end of the positioning link 20 away from the first drive source 10 is provided with a groove 21, which is used to accommodate the sensor assembly 80.

[0043] In this embodiment, as Figure 5 As shown, by providing a groove 21 at the end of the positioning link 20 away from the motor, the positioning part 70 can place the sensor assembly, including the center seat 82, diaphragm 85, and welding cap 86, into the groove 21. This design allows the sensor assembly 80 to be accurately positioned as needed, facilitating subsequent clamping and welding operations. Furthermore, when the sensor assembly 80 is placed in the groove 21, the inner wall of the groove 21 restricts the radial displacement of the sensor assembly 80, ensuring that the sensor assembly 80 remains coaxial with the positioning link 20. The depth of the groove 21 is reasonably designed, ensuring stable placement of the sensor assembly 80 while exposing sufficient portion for clamping operations by the clamping member 60. After welding the sensor assembly 80, the output end of the second drive source 30 can be retracted to separate the clamping member 60 from the sensor assembly 80, and then the welded sensor can be removed from the groove 21 of the positioning link 20, making the operation simple and efficient.

[0044] In one specific embodiment, the groove 21 can be a circular recess with a diameter slightly larger than the outer diameter of the center seat 82 of the sensor assembly 80 and a depth of approximately one-third to one-half the height of the sensor assembly 80. This design allows the sensor assembly 80 to be partially embedded in the groove 21 while leaving enough exposed portion to facilitate pressure application by the clamping member 60.

[0045] In one embodiment, the second driving source 30 is a cylinder, and the fixing part 50 is a push plate, which is disposed at the output end of the cylinder.

[0046] In this embodiment, as Figure 1 and Figure 2As shown, the piston rod, as the output end of the cylinder, can move axially. The push plate is fixedly connected to the end of the piston rod of the cylinder and moves synchronously with the movement of the piston rod, thereby driving the clamping member 60 to pass through the inner cavity 73 of the positioning part 70 to clamp the sensor assembly 80, or driving the clamping member 60 away from the sensor assembly 80 to release it.

[0047] In other embodiments, the fixing part 50 can be an integrated structure at the end of the cylinder piston rod, with a planar structure designed directly at the end of the piston rod as the fixing part 50 for mounting the bearing 51. The inner ring of the bearing 51 is connected to the clamping member 60, and the outer ring is connected to the fixing part 50, thereby enabling the clamping member 60 to move axially under the push of the fixing part 50 while maintaining the ability to rotate freely around the axis.

[0048] In one embodiment, a bearing 51 is provided on the push plate, and a clamping member 60 is connected to the bearing 51.

[0049] In this embodiment, as Figure 2 As shown, the clamping member 60 passes through and is fixedly connected to the inner ring of the bearing 51, while the outer ring of the bearing 51 is fixed to the side of the push plate away from the cylinder. The bearing 51 allows the clamping member 60 to move axially under the push of the push plate while maintaining its ability to rotate freely about its axis. This structural design is key to achieving the clamping and welding functions, because during the welding process, the clamping member 60 needs to rotate synchronously with the positioning linkage 20 to complete the welding operation around the sensor assembly 80.

[0050] During the operation of the sensor stacking welding device, when the cylinder drives the push plate to move forward, the clamping part 60 can be smoothly inserted into the inner cavity 73 of the positioning part 70 under the support of the bearing 51 to clamp the sensor assembly 80; when the motor drives the positioning connecting rod 20 to rotate, the clamping part 60 can rotate accordingly under the action of the bearing 51 to complete the welding around the sensor assembly 80.

[0051] In one embodiment, the positioning part 70 includes an adjacent first ring part 71 and a second ring part 72. The inner diameter of the first ring part 71 is larger than the inner diameter of the second ring part 72. The first ring part 71 is used to accommodate the sensor assembly 80, and the second ring part 72 forms a blocking part to restrict the sensor assembly 80 from moving in the direction of the second ring part 72.

[0052] In this embodiment, as Figure 5As shown, the positioning part 70 is a positioning ring, which includes an adjacent first ring part 71 and a second ring part 72. The first ring part 71 and the second ring part 72 are coaxially arranged and seamlessly connected. The inner diameter of the first ring part 71 is slightly larger than the outer diameter of the sensor assembly 80, providing space for the sensor assembly 80; the inner diameter of the second ring part 72 is smaller than the outer diameter of the sensor assembly 80, forming a stepped blocking part to prevent the sensor assembly 80 from coming off the second ring part 72 during operation.

[0053] In practical use, the operator places the sensor assembly 80 into the first ring 71, with one side of the sensor assembly 80 abutting against the stepped surface of the second ring 72 for axial positioning. Then, the positioning part 70, along with the sensor assembly 80, is placed into the groove 21 of the positioning link 20, ensuring coaxiality between the sensor assembly 80 and the positioning link 20. Next, a cylinder drives the clamping member 60 through the second ring 72, directly acting on the sensor assembly 80 to clamp and fix it. Finally, the positioning part 70 is moved towards the clamping member 60, detaching it from the sensor assembly 80 to facilitate welding. This design not only simplifies the operation process but also improves the positioning and welding accuracy of the sensor assembly 80.

[0054] In one embodiment, the positioning link 20, the positioning part 70, and the clamping member 60 are coaxially arranged.

[0055] In this embodiment, as Figure 3 and Figure 5 As shown, the positioning link 20, the positioning part 70, and the clamping member 60 share a central axis in space, forming a coaxial configuration. This coaxial design is a key factor in ensuring that the components of the sensor assembly 80 can be accurately stacked, aligned, and welded. The coaxial arrangement ensures that during the clamping and welding process of the sensor assembly 80, all components move around the same axis, avoiding positioning errors and welding defects caused by axis misalignment.

[0056] In this embodiment, the positioning link 20 has a cylindrical rod structure, and its central axis serves as the reference axis for the entire device. One end of the positioning link 20 is provided with a cylindrical section 22 for clamping, and the other end is provided with a groove 21. The groove 21 is circularly recessed, and its center coincides with the central axis of the positioning link 20.

[0057] The positioning part 70 is cylindrical in shape, with its outer diameter being consistent at the first ring 71 and the second ring 72, while its inner diameter is larger at the first ring 71 and smaller at the second ring 72, forming a stepped inner cavity 73. The central axis of the positioning part 70 can coincide with the central axis of the positioning link 20, ensuring that the sensor assembly 80 inside the positioning part 70 can be accurately placed in the groove 21 of the positioning link 20, achieving coaxial positioning.

[0058] The clamping member 60 is cylindrical, with a diameter smaller than the inner diameter of the second ring 72 of the positioning part 70, facilitating its passage through the second ring 72. One end of the clamping member 60 is connected to the bearing 51, and the other end is the working end, which can be designed as a plane or other shape suitable for clamping the sensor assembly 80. The central axis of the clamping member 60 coincides with the central axis of the positioning link 20 and the positioning part 70, ensuring that the clamping force acts on the center position of the sensor assembly 80, and avoiding eccentric pressure that could cause deformation or displacement of the sensor assembly 80.

[0059] In actual operation, the operator first places the sensor assembly 80 into the first ring 71 of the positioning part 70, and then aligns the positioning part 70, carrying the sensor assembly 80, with the groove 21 of the positioning link 20, at which point the central axes of the three coincide. Next, the cylinder drives the clamping member 60 to move forward, passing through the second ring 72 of the positioning part 70, and directly acting on the sensor assembly 80. Finally, the positioning part 70 is removed, and the clamping member 60 and the positioning link 20 rotate coaxially, completing the welding operation. This coaxial structural design not only simplifies the operation process but also ensures the coaxiality between the components of the sensor assembly 80, improving the accuracy and quality of the welding.

[0060] In one embodiment, the inner diameter of the second ring 72 is larger than the outer diameter of the clamping member 60.

[0061] In this embodiment, as Figure 5 As shown, this design allows the clamping member 60 to smoothly pass through the second ring 72 and reach the sensor assembly 80 to clamp it. At the same time, when the positioning part 70 needs to move away from the sensor assembly 80, the gap between the clamping member 60 and the second ring 72 also facilitates the movement of the positioning ring.

[0062] In one embodiment, the sensor stacking device further includes a base 90, on which a first support 100 and a second support 110 are disposed opposite to each other. A first driving source 10 is fixed on the first support 100, and a second driving source 30 is fixed on the second support 110.

[0063] In this embodiment, as Figure 1 As shown, the first support member 100 and the second support member 110 are disposed opposite to each other on the upper surface of the base 90. The first drive source 10 is fixedly installed on the top of the first support member 100. The second drive source 30 is fixedly installed on the top of the second support member 110.

[0064] The output terminals of the first drive source 10 and the second drive source 30 are positioned opposite each other to ensure that they can clamp the sensor assembly 80, thereby facilitating the welding process. The first support 100 and the second support 110 correspond to each other so that the first drive source 10 and the second drive source 30 are suspended relative to the base 90, which facilitates the opening of the operating space.

[0065] In one embodiment, the first support member 100 includes two opposing support plates 101 and a fixing plate 102 disposed between the support plates 101, and the first drive source 10 is fixed on the fixing plate 102.

[0066] In this embodiment, two support plates 101 are vertically fixed to the upper surface of the base 90, parallel to each other and appropriately spaced, forming a stable support frame. A fixing plate 102 is vertically disposed between the two support plates 101 and connected to the support plates 101 by bolts or welding to improve the stability of the entire support structure. A first drive source 10 is horizontally fixedly installed on the side of the fixing plate 102, with its output end facing the output end of the second drive source 30 at the top of the second support member 110.

[0067] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A sensor stacking and welding device, characterized in that, include: A first driving source and a second driving source are provided. The output end of the first driving source is provided with a positioning link, which can drive the positioning link to rotate. The output end of the second driving source is provided with a pressing part. The pressing part includes a fixing part and a pressing member. The pressing member is rotatably connected to the fixing part. The pressing member is disposed opposite to the positioning link. A positioning part is provided between the pressing member and the positioning link. The positioning part has an inner cavity for accommodating a sensor assembly. The second driving source can drive the clamping part to move in a direction close to the positioning link, so that the clamping member is inserted into the inner cavity to cooperate with the positioning link to clamp the sensor assembly.

2. The sensor stacking device according to claim 1, characterized in that, The first driving source is a motor, and the output end of the motor is provided with a clamping part, which clamps the positioning link.

3. The sensor stacking device according to claim 1, characterized in that, The positioning link has a groove at the end away from the first drive source, which is used to accommodate the sensor assembly.

4. The sensor stacking device according to claim 1, characterized in that, The second driving source is a cylinder, and the fixing part is a push plate, which is disposed at the output end of the cylinder.

5. The sensor stacking device according to claim 4, characterized in that, The push plate is provided with a bearing, and the clamping member is connected to the bearing.

6. The sensor stacking device according to claim 1, characterized in that, The positioning part includes an adjacent first ring and a second ring. The inner diameter of the first ring is larger than the inner diameter of the second ring. The first ring is used to accommodate the sensor assembly, and the second ring forms a blocking part to restrict the sensor assembly from moving in the direction of the second ring.

7. The sensor stacking device according to claim 6, characterized in that, The positioning link, the positioning part, and the clamping member are arranged coaxially.

8. The sensor stacking device according to claim 7, characterized in that, The inner diameter of the second ring is larger than the outer diameter of the clamping member.

9. The sensor overlay welding apparatus according to any one of claims 1-8, characterized in that, It also includes a base, on which a first support member and a second support member are disposed opposite to each other, the first drive source is fixed on the first support member, and the second drive source is fixed on the second support member.

10. The sensor stacking device according to claim 9, characterized in that, The first support member includes two opposing support plates and a fixing plate disposed between the support plates, and the first drive source is fixed to the fixing plate.

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