PCBA clamping device

Abstract

The utility model relates to the field of PCBA clamping devices, the PCBA clamping device comprises a fixed seat and a movable seat, the movable seat is adjustably mounted on the fixed seat, the movable seat and the fixed seat jointly form a positioning structure for positioning a PCBA, the positioning structure comprises a supporting surface for supporting the PCBA and further comprises a positioning surface, the positioning surface is perpendicular to the supporting surface, and the PCBA clamping device is arranged on the fixed seat. The size of the part, located on the movable base, of the supporting face is matched with the size of the edge area, not provided with electronic elements, of the PCBA to be clamped, the PCBA can be positioned through the fixing base of the PCBA clamping device, the consistency of the installation positions of different PCBAs is guaranteed, and when the part, located on the movable base, of the supporting face is matched with the PCBAs of different sizes, the PCBA clamping device is not provided with the electronic elements. The electronic components on the PCBA are not affected when the PCBA is clamped, so that the PCBA clamping device can be suitable for clamping PCBA of different sizes.

Description

Technical Field

[0001] This utility model relates to the field of PCBA clamping devices. Background Technology

[0002] In production, for PCBAs with laser chips attached, an optical lens is coupled to the light-emitting chip to a set position using a coupler. To fix the chip, a PCBA clamping device is installed on the coupler.

[0003] Different PCBA models have different dimensions. When working with PCBAs of different sizes, it is necessary to frequently change the PCBA clamping device on the coupling machine. Different PCBA clamping devices have different dimensions and positioning reference positions. Therefore, after changing the PCBA clamping device, the position needs to be readjusted, which affects work efficiency. Moreover, frequent changes of PCBA clamping devices can also cause fluctuations in the coupling position, which directly affects product quality. Utility Model Content

[0004] This utility model provides a PCBA clamping device to solve the technical problem of affecting efficiency and accuracy when using different PCBA clamping devices to clamp PCBAs.

[0005] This utility model provides a PCBA clamping device.

[0006] A PCBA clamping device includes a fixed base and a movable base. The fixed base is used to mount on a coupling machine, and the movable base is adjustablely mounted on the movable base. The movable base and the fixed base together form a positioning structure for positioning the PCBA. The positioning structure includes a support surface for supporting the PCBA, the support surface being used to mate with a side surface of the PCBA in the thickness direction. The positioning structure also includes a positioning surface perpendicular to the support surface to define the mounting position of the PCBA. The size of the portion of the support surface located on the movable base matches the size of the edge area of ​​the PCBA to be clamped where no electronic components are mounted.

[0007] In one technical solution, the area enclosed by the positioning surface and the supporting surface is a placement space for placing the PCBA. The positioning surface has an end positioning portion for positioning one end of the PCBA, and the side of the placement space opposite to the end positioning portion is an open structure.

[0008] In one technical solution, the PCBA clamping device further includes a clamping member movably disposed on the movable seat. The direction in which the clamping member moves on the movable seat is the same as the direction in which the movable seat moves. An elastic member is disposed between the clamping member and the movable seat. The elastic member is used to drive the clamping member to clamp the PCBA toward the fixed seat.

[0009] In one technical solution, the portion of the support surface located on the movable seat is a movable part, the clamping member is a clamping plate, the movable seat has a sandwich layer, the clamping plate is disposed in the sandwich layer, and the dimension of the sandwich layer in the moving direction of the movable seat is greater than the thickness of the clamping plate, the sandwich layer has an opening at least partially located on the movable part, and one end of the clamping plate extends out through the opening for cooperating with the PCBA.

[0010] In one technical solution, a spring mounting hole is provided on the side wall of the interlayer away from the fixed seat. The spring mounting hole is a through hole extending along the moving direction of the movable seat. The elastic element is a spring disposed in the spring mounting hole. A plug is threaded onto one end of the spring mounting hole away from the interlayer. One end of the spring abuts against the plug, so that the pressure of the spring can be changed by adjusting the amount of the plug screwed into the through hole.

[0011] In one technical solution, the side wall of the movable seat has a clearance hole that communicates with the interlayer, and an operating member is connected to the clamp plate. The operating member extends through the clearance hole, so that the operator can drive the clamp plate to move away from the fixed seat by operating the operating member.

[0012] In one technical solution, the clearance hole is provided on the side wall of the movable seat facing the fixed seat, and the operating element is an operating rod that passes under the support surface and through the fixed seat.

[0013] In one technical solution, the PCBA clamping device further includes a conductive pin for engaging with holes in the PCBA, and the conductive pin is adjustablely mounted on the mounting base.

[0014] In one technical solution, the fixed base has a guide structure located below the support surface, the PCBA clamping device further includes a sliding base, the guide structure is used to guide the sliding base and the guide direction is perpendicular to the moving direction of the moving base, the PCBA clamping device further includes a drive mechanism for driving the sliding base to move, and the conductive pin is disposed on the sliding base to realize the adjustable installation of the conductive pin on the fixed base.

[0015] In one technical solution, the guide structure includes an L-shaped guide groove located on the fixed seat, the opening of the L-shaped guide groove being located on the side wall of the fixed seat below the placement space, and the sliding seat having an L-shaped protrusion that mates with the L-shaped guide groove.

[0016] The beneficial effects of this utility model are as follows:

[0017] In this invention, the PCBA clamping device is mounted on the coupling machine via a fixed base. Because the position of the movable base is adjustable, and the portion of the support surface on the movable base matches the size of the edge area on the PCBA to be clamped where no electronic components are located, this PCBA clamping device can be used with PCBAs of various sizes. When processing products with different PCBA sizes, there is no need to change the PCBA clamping device, ensuring production efficiency. Furthermore, the fixed base and the movable base together constitute a positioning structure for positioning the PCBA. The portion of the positioning structure on the fixed base can determine the installation position of the PCBA relative to the coupling machine. When installing the PCBA, it is placed on the support surface along its thickness direction, avoiding the problem of coupling position fluctuations caused by frequent changes in the clamping device, thereby ensuring product quality. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of one embodiment of the PCBA clamping device of this utility model;

[0019] Figure 2 This is a partial enlarged view of one embodiment of the PCBA clamping device of this utility model;

[0020] Figure 3 for Figure 1 A schematic diagram of the PCBA clamping device and its interaction with the PCBA.

[0021] Figure 4 This is a schematic diagram of the structure of the fixing base in one embodiment of the PCBA clamping device of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the movable base in one embodiment of the PCBA clamping device of this utility model;

[0023] Figure 6 This is a cross-sectional view of the movable seat in one embodiment of the PCBA clamping device of this utility model;

[0024] Figure 7 This is a schematic diagram of the moving seat from another perspective in one embodiment of the PCBA clamping device of this utility model;

[0025] Figure 8This is a schematic diagram of the cooperation structure of the operating lever, clamping plate and spring in one embodiment of the PCBA clamping device of this utility model;

[0026] Figure 9 This is a schematic diagram of the clamping plate in one embodiment of the PCBA clamping device of this utility model;

[0027] Figure 10 This is a schematic diagram of the operating lever in one embodiment of the PCBA clamping device of this utility model;

[0028] Figure 11 This is a schematic diagram of the structure of the conductive pin and the sliding seat cooperating in one embodiment of the PCBA clamping device of this utility model.

[0029] List of feature names corresponding to the labels in the figure:

[0030] 1. Fixed base; 11. Base body; 111. Mounting hole; 112. Guide groove; 12. Platform body; 121. Fixed part; 122. Fixed X-axis positioning surface; 123. Fixed Y-axis positioning surface; 124. L-shaped guide groove; 13. End plate;

[0031] 2. Movable base; 21. Slider section; 22. Movable part; 23. X-axis positioning surface; 24. Y-axis positioning surface; 25. Interlayer; 26. Opening; 27. Spring mounting hole; 28. Clearance hole; 29. ​​Spring;

[0032] 3. PCBA;

[0033] 4. Placement space;

[0034] 5. Clamping plate; 51. Small-size section; 52. Large-size section; 53. Threaded connection hole;

[0035] 6. Plug;

[0036] 7. Operating lever; 71. Operating block; 72. Threaded section;

[0037] 8. Conductive needle;

[0038] 9. Sliding seat; 91. L-shaped protrusion; 92. Threaded hole;

[0039] 10. First screw;

[0040] 20. Second screw. Detailed Implementation

[0041] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0042] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.

[0043] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0044] In this invention, the PCBA clamping device is mounted on the coupling machine via a fixed base. Since the dimensions of the edge area on the PCBA without electronic components are controlled within a certain range, and the portion of the support surface on the movable base matches the dimensions of the area on the PCBA without electronic components, the movable base will not touch the electronic components when used with PCBAs of different sizes. By adjusting the position of the movable base, this single PCBA clamping device can clamp PCBAs of different sizes. When producing products with PCBAs of different sizes, there is no need to replace the PCBA clamping device, nor to readjust its position, ensuring production efficiency. Furthermore, since the fixed base and the movable base together constitute a positioning structure for positioning the PCBA, when installing the PCBA, placing it on the support surface, the portion of the positioning structure on the fixed base can determine the PCBA's installation position, avoiding the problem of coupling position fluctuations caused by frequent changes in the clamping device, thereby ensuring product quality.

[0045] Example 1 of the PCBA clamping device in this utility model:

[0046] Please refer to Figure 1 The PCBA clamping device includes a fixed base 1 and a movable base 2.

[0047] For the structure of the fixed base 1, please refer to... Figure 4 The fixed base 1 includes a base part 11 at the bottom and a platform part 12 at the top. The base part 11 is used to cooperate with the worktable of the coupling machine and be fixedly installed on the worktable of the coupling machine to realize the installation of the PCBA clamping device on the worktable of the coupling machine.

[0048] In one embodiment, the width of the base portion 11 is greater than the width of the platform portion 12. Mounting holes 111 are provided on the portions of the base portion 11 that protrude from the platform portion 12 on both sides in the width direction. By threading bolts through the mounting holes 111 and connecting them to the worktable of the coupling machine, the base portion 11 can be fixed to the worktable of the coupling machine. Those skilled in the art will understand that there are various ways to install the fixed seat 1 on the worktable of the coupling machine, and it is not limited to the bolt fixing method described above. For example, the fixed seat 1 can also be fixed to the worktable of the coupling machine by pressing down the base portion 11 with a pressure plate.

[0049] The base portion 11 has a portion extending to the right relative to the platform portion 12, and this portion has a guide structure, specifically a guide groove 112. Please refer to [reference needed]. Figure 5 The movable seat 2 has protruding slider portions 21 on both sides of its lower width direction. The slider portions 21 cooperate with the guide groove 112 to realize the movable seat 2's movable installation on the fixed seat 1. The direction of position adjustment of the movable seat 2 is the length extension direction of the guide groove 112. In other embodiments, the fixed seat and the movable seat can also achieve adjustable installation of the movable seat on the fixed seat through a structure of dovetail guide rail and dovetail groove cooperation. Of course, there are many ways in the prior art to achieve adjustable installation of one block structure on another block structure, all of which can be applied here.

[0050] Please refer to Figure 1 and Figure 2 The fixed base 1 and the movable base 2 together form a positioning structure for positioning the PCBA3. The positioning structure includes a support surface for supporting the PCBA3. The support surface includes a fixed portion 121 located on the platform portion 12 of the fixed base 1 and a movable portion 22 located on the movable base 2. The support surface is used to mate with the side of the PCBA3 in the thickness direction. When installing the PCBA3, the PCBA3 is placed on the support surface along the thickness direction.

[0051] The positioning structure also includes a positioning surface, which is perpendicular to the support surface, to define the mounting position of PCBA3. Please refer to [reference needed]. Figure 1 , Figure 2 and Figure 3 The area enclosed by the support surface and the positioning surface is the placement space 4 for placing PCBA3.

[0052] Please refer to Figure 1 and Figure 4 A portion of the positioning surface is located on the fixed base 1. Referring to the three-dimensional coordinate system, the support direction of the support surface is set as the Z direction. The portion of the positioning surface on the fixed base 1 includes a fixed X-direction positioning surface 122 and a fixed Y-direction positioning surface 123. The fixed X-direction positioning surface 122, the fixed Y-direction positioning surface 123, and the fixed portion 121 are perpendicular to each other. The movable base 2 is adjustablely mounted on the fixed base 1 along the X-direction.

[0053] The positioning surface is located on the movable base 2, please refer to... Figure 1 and Figure 5 The positioning surface located on the movable base 2 includes a movable X-direction positioning surface 23 and a movable Y-direction positioning surface 24, which are perpendicular to each other with the movable part 22.

[0054] The above-mentioned limitation on the positioning structure is based on the fact that PCBA3 is a rectangular board structure. In other embodiments, the positioning structure can be adapted to the shape of the PCBA to be clamped. If the part of the PCBA that mates with the PCBA clamping device is hexagonal, then naturally, the positioning structure is a matching folded edge structure. The general principle is that the positioning structure can be adapted to the structure of the PCBA.

[0055] The fixed Y-axis positioning surface 123 and the movable Y-axis positioning surface 24 are used to mate with one end of PCBA3 to form the end positioning part of the positioning surface. Please refer to [reference needed]. Figure 1 and Figure 3 The side of the placement space 4 opposite to the end positioning part is an open structure, so that even if the Y-axis dimension of the PCBA3 increases significantly, it can still be placed within the placement space 4. Of course, those skilled in the art will understand that if the Y-axis dimensions of different PCBA models to be clamped are all known to be small, the side of the placement space opposite to the end positioning part may not be an open structure.

[0056] In addition, it should be emphasized that in order to improve the utilization rate of PCBA, the size of the edge area of ​​PCBA without electronic components is controlled within a certain range. In this utility model, the size of the moving part 22 is designed to match the size of the edge area of ​​PCBA, so as to ensure that when the moving base 2 and PCBA3 are engaged, they will not touch the electronic components on PCBA3. In this way, even if the size of PCBA3 increases significantly, the PCBA can still be supported by the moving part 22 of the moving base 2 and positioned by the positioning surface of the PCBA without damaging the electronic components.

[0057] Based on the above structure, when clamping PCBA3 of different sizes, the position of the movable seat 2 can be adjusted to clamp PCBA3 of different sizes.

[0058] In some embodiments, considering that some PCBA dimensions vary only slightly, frequent adjustments to the position of the movable base 1 would be cumbersome. Therefore, the PCBA clamping device further includes a clamping member movably mounted on the movable base 2. The clamping member moves in the same direction on the movable base 2 as the movable base 2 moves on the fixed base 1, both in the X direction. An elastic element is provided between the clamping member and the movable base 2, driving the clamping member to clamp the PCBA 3 towards the fixed base 1. In this way, when clamping different models of PCBAs with relatively small dimensional variations, the position of the movable base can remain unchanged, and the clamping member can be moved to clamp PCBAs of different sizes.

[0059] In one embodiment, the clamping element is a clamping plate 5. For instructions on installing the clamping plate 5, please refer to... Figure 5 and Figure 6 The movable base 2 has a sandwich layer 25, which forms a cavity structure within the movable base 2. A clamping plate 5 is installed within the sandwich layer 25. Along the moving direction of the movable base 2, i.e., the X direction, the size of the sandwich layer 25 is greater than the thickness of the clamping plate 5. The upper end of the sandwich layer 25 has an opening 26, which is located on the movable portion 22. The upper end of the clamping plate 5 extends through the opening 26 for mating with the PCBA 3. In other embodiments, the movable portion can be enlarged so that the entire opening is located on the movable portion.

[0060] It should be noted that, for the convenience of installing PCBA3, the distance between the fixed X-direction positioning surface 122 and the movable X-direction positioning surface 23 is greater than the dimension of PCBA3 in the X direction. Therefore, after PCBA3 is installed, the clamping plate 5 presses PCBA3 along the X direction. At this time, the fixed X-direction positioning surface 122, the fixed Y-direction positioning surface 123, the fixed part 121, the movable Y-direction positioning surface 24, and the movable part 22 are in contact with PCBA3, while the movable X-direction positioning surface 23 is not in contact with PCBA3. The movable X-direction positioning surface 23 only limits the placement area of ​​PCBA3 during the installation process, positioning PCBA3 within the placement area.

[0061] For instructions on installing the elastic element, please refer to [link / reference]. Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8A spring mounting hole 27 is provided on the side wall of the interlayer 25 away from the placement space 4. The spring mounting hole 27 is a through hole extending along the moving direction of the movable seat 2. The elastic element is a spring 29 provided in the spring mounting hole 27. A plug 6 is threadedly installed on the end of the spring mounting hole 27 away from the interlayer 25. One end of the spring abuts against the plug 6 so that the pressure of the spring can be changed by adjusting the amount of the plug 6 screwed into the through hole.

[0062] In other embodiments, blind holes can be made in the side wall of the interlayer 25 away from the placement space 4 to accommodate the elastic element, which can also be a rubber block. For the installation method of the elastic element, a tension spring can also be connected to the side wall of the interlayer 25 near the placement space 4, with the other end of the tension spring connected to the clamping plate 5.

[0063] Regarding the structure of clamp 5, in one embodiment, please refer to... Figure 9 The clamping plate 5 includes a small upper section 51 and a large lower section 52. Please refer to the relevant documentation for details. Figure 6 The interlayer 25 includes a cavity formed in the movable seat 2 and extends vertically through the movable seat 2. The upper section is a small-sized cavity section and the lower section is a large-sized cavity section. The upper cavity opening is an opening 26, and the lower cavity opening is for the clamping plate 5 to be inserted from bottom to top.

[0064] To facilitate the removal of the clamping plate 5 when placing the PCBA3, the side wall of the movable base 2 also has a clearance hole 28 communicating with the interlayer 25. An operating component is connected to the clamping plate 5, extending through the clearance hole 28, allowing the operator to drive the clamping plate 5 away from the placement space 4 by operating the operating component. In one embodiment, the clearance hole 28 is located on the side wall of the movable base 2 near the placement space 4. The structure of the operating component is described in [reference needed]. Figure 10 The operating lever 7 has an operating block 71 at one end and a threaded section 72 at the other end. Correspondingly, as... Figure 9 As shown, the clamping plate 5 has a threaded connection hole 53 for the threaded section 72 to be screwed in. The operating lever 7 passes under the placement space 4 and through the fixed base 1. The operator can push the operating lever 7 towards the fixed base 2 to compress the spring and move the clamping plate 5 to a position that allows the PCBA3 to be moved aside. After the PCBA3 is installed in place, the clamping plate 5 clamps the PCBA3 under the drive of the spring.

[0065] In other embodiments, a clearance hole can be formed on the side wall of the movable seat 2 along the Y direction. In this case, the clearance hole is an elongated hole extending along the X direction, i.e., a waist-shaped hole, to allow the operating member to move within the clearance hole along the X direction. Alternatively, a clearance hole can be formed on the side wall of the movable member facing away from the placement space. In this case, the operating member can be a rigid member or a flexible rope. In other embodiments, the clamping member can also be a push rod. Specifically, a blind hole is formed on the side of the movable seat near the placement space, an elastic member is inserted into the blind hole, and the push rod is installed within the blind hole.

[0066] Please refer to Figure 1 The PCBA clamping device also includes conductive pins 8 for engaging with holes in the PCBA 3 to allow current signals to be extracted from specific holes in the PCBA 3 during coupling. The conductive pins 8 are adjustablely mounted on the mounting base 1 to accommodate PCBAs of different sizes or with different current signal hole positions.

[0067] The fixed base 1 has a guide structure located below the placement space 4. The PCBA clamping device also includes a sliding base 9. The guide structure guides the sliding base 9, and the guide direction is perpendicular to the moving direction of the movable base 2. The PCBA clamping device also includes a drive mechanism for driving the sliding base 9 to move. The conductive pin 8 is disposed on the sliding base 9 to achieve adjustable mounting of the conductive pin 8 on the fixed base 1. The conductive pin 8 can specifically be a PIN pin, or any other pin capable of current conduction.

[0068] Please refer to Figure 4 The guiding structure includes an L-shaped guide groove 124 located on the fixed base 1. The opening of the L-shaped guide groove 124 is located on the vertical side wall of the fixed base 1 below the placement space 4, that is, the opening faces the X direction. Please refer to [reference needed]. Figure 11 The sliding seat 9 has an L-shaped protrusion 91 that mates with the L-shaped guide groove 124. During installation, the L-shaped protrusion 91 is inserted into the L-shaped guide groove 124 along the Y direction. In other embodiments, the opening of the L-shaped guide groove can also be located on the horizontal side wall of the fixed seat 1 below the placement space 4, i.e., the opening faces the Z direction. In other embodiments, the sliding seat 9 and the fixed seat 1 can also be installed in an adjustable position on the fixed seat through a structure of dovetail guide rail and dovetail groove. Of course, it can also be any other structure in the prior art that allows one block structure to be installed in an adjustable position on another block structure.

[0069] The fixed base 1 includes an end plate 13 located at one end of the guide structure. The driving mechanism for driving the conductive needle 8 to move includes a first screw 10 rotatably mounted on the end plate 13. The first screw 10 is connected to the sliding base 9 so that the sliding base 9 can be driven to move by rotating the first screw 10.

[0070] Specifically, the first screw 10 can be screwed into the threaded hole 92 on the sliding seat 9. Simultaneously, the first screw 10 and the end plate 13 are positioned and engaged along the axial direction of the first screw 10, meaning the first screw 10 cannot move relative to the end plate 13 along its axial direction. Specifically, the hole on the end plate 13 through which the first screw 10 passes can be a smooth hole, and a stop structure can be provided on both sides of the smooth hole to engage with the end plate 13. Alternatively, a threaded hole can be provided on the end plate 13, and the first screw 10 can be threaded into the threaded hole, with the end of the first screw 10 rotatably connected to the sliding seat 9 in a circumferentially rotatable and axially anti-detachment manner.

[0071] The PCBA clamping device also includes a second screw 20 rotatably mounted on a fixed base 1. The second screw 20 is connected to a movable base 2, allowing the position of the movable base 2 to be adjusted by rotating the second screw 20. Specifically, the second screw 20 can be screwed into a threaded hole on the movable base 2. Simultaneously, the second screw 20 and the fixed base 1 are positioned along the axial direction of the second screw 20, meaning the second screw 20 cannot move relative to the fixed base 1 along its axial direction. Specifically, the hole on the fixed base 1 through which the second screw 20 passes can be a smooth hole, and stop structures can be provided on both sides of the smooth hole to engage with the fixed base 1. Alternatively, a threaded hole can be provided on the fixed base 1, and the second screw 20 can be threaded into the threaded hole, with its end rotatably connected to the movable base 2 circumferentially and axially insulated. In some embodiments, there are two second screws 20.

[0072] The above-described specific examples are for illustrative purposes only and are not intended to limit the scope of this invention. Those skilled in the art to which this invention pertains can make various simple deductions, modifications, or substitutions based on the concept of this invention.

Claims

1. A PCBA clamping device, characterized in that, The device includes a fixed base and a movable base. The fixed base is used to mount the device on a coupling machine, and the movable base is adjustablely mounted on the fixed base. The movable base and the fixed base together form a positioning structure for positioning the PCBA. The positioning structure includes a support surface for supporting the PCBA, which is used to mate with a side surface of the PCBA in the thickness direction. The positioning structure also includes a positioning surface, which is perpendicular to the support surface to define the mounting position of the PCBA. The size of the portion of the support surface located on the movable base matches the size of the edge area of ​​the PCBA to be clamped where no electronic components are placed. The area enclosed by the positioning surface and the support surface is a placement space for placing the PCBA.

2. The PCBA clamping device as described in claim 1, characterized in that, The positioning surface has an end positioning portion for positioning one end of the PCBA, and the placement space has an open structure on the side opposite to the end positioning portion.

3. The PCBA clamping device as described in claim 1 or 2, characterized in that, The PCBA clamping device further includes a clamping member movably disposed on the movable seat. The direction in which the clamping member moves on the movable seat is the same as the direction in which the movable seat moves. An elastic member is disposed between the clamping member and the movable seat. The elastic member is used to drive the clamping member to clamp the PCBA toward the fixed seat.

4. The PCBA clamping device as described in claim 3, characterized in that, The portion of the support surface located on the movable seat is the movable portion. The clamping member is a clamping plate. The movable seat has a sandwich layer. The clamping plate is disposed within the sandwich layer. The dimension of the sandwich layer in the moving direction of the movable seat is greater than the thickness of the clamping plate. The sandwich layer has an opening located at least partially on the movable portion. One end of the clamping plate extends through the opening for mating with the PCBA.

5. The PCBA clamping device as described in claim 4, characterized in that, A spring mounting hole is provided on the side wall of the interlayer away from the fixed base. The spring mounting hole is a through hole extending along the moving direction of the movable base. The elastic element is a spring disposed in the spring mounting hole. A plug is threaded onto one end of the spring mounting hole away from the interlayer. One end of the spring abuts against the plug so that the pressure of the spring can be changed by adjusting the amount of the plug screwed into the through hole.

6. The PCBA clamping device as described in claim 4, characterized in that, The side wall of the movable seat has a clearance hole that communicates with the interlayer. An operating member is connected to the clamp plate and extends through the clearance hole, so that the operator can drive the clamp plate to move away from the fixed seat by operating the operating member.

7. The PCBA clamping device as described in claim 6, characterized in that, The clearance hole is provided on the side wall of the movable seat facing the fixed seat, and the operating element is an operating rod that passes under the support surface and through the fixed seat.

8. The PCBA clamping device as described in claim 1 or 2, characterized in that, The PCBA clamping device also includes conductive pins for engaging with holes in the PCBA, and the conductive pins are adjustablely mounted on the mounting base.

9. The PCBA clamping device as described in claim 8, characterized in that, The fixed base has a guide structure located below the support surface. The PCBA clamping device also includes a sliding base. The guide structure is used to guide the sliding base, and the guide direction is perpendicular to the moving direction of the moving base. The PCBA clamping device also includes a drive mechanism for driving the sliding base to move. The conductive pin is disposed on the sliding base so that the conductive pin can be installed in an adjustable position on the fixed base.

10. The PCBA clamping device as described in claim 9, characterized in that, The guide structure includes an L-shaped guide groove located on the fixed seat, the opening of the L-shaped guide groove being located on the side wall of the fixed seat below the placement space, and the sliding seat having an L-shaped protrusion that mates with the L-shaped guide groove.

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