LED module assembly fixture

Abstract

This invention provides an LED module assembly fixture, comprising: a base, including a base plate and a frame portion disposed above the base plate, with a placement groove formed between the base plate and the frame portion; the frame portion including a first beam and a second beam disposed opposite to each other and extending along the width direction of the base; a first groove on the side of the first beam facing the second beam, and a second groove on the side of the second beam facing the first beam; both the first and second grooves are higher than the bottom wall of the placement groove; and an alignment component, including a drive unit, a first slider, and a second slider, both extending along the width direction of the base; the first slider being slidably disposed in the first groove, and the second slider being slidably disposed in the second groove; the first and second sliders having an alignment position and an unlocked position; and the drive unit being drivenly connected to the first and second sliders respectively. This solution can resolve the problem of dark lines appearing between LED modules.

Description

Technical Field

[0001] This invention relates to the field of LED display device technology, and more specifically, to an LED module assembly fixture. Background Technology

[0002] LED display devices are composed of multiple LED modules spliced ​​together. The resulting LED display device has a large display area, enhancing the user's sensory experience. Each LED module includes a base shell and an LED light panel mounted on the base shell. The display surface is formed using the LED light panel.

[0003] In related technologies, the assembly of the LED light board and the base shell is carried out within a fixture. First, the LED light board is placed in the fixture, then the base shell is placed on top of the LED light board, and the two are then connected.

[0004] However, due to the lack of precise positioning between the base shell and the LED light board, the base shell cannot be aligned with the LED light board, which easily causes the base shell to protrude from the LED light board, especially along the length of the LED module. When multiple LED modules are spliced ​​together, interference can occur between the base shells of adjacent LED modules, resulting in dark lines between the LED modules. Summary of the Invention

[0005] This invention provides an LED module assembly fixture to solve the problem of dark lines between LED modules in related technologies.

[0006] This invention provides an LED module assembly fixture, comprising: a base, including a base plate and a frame portion disposed above the base plate, with a placement groove formed between the base plate and the frame portion; the frame portion including a first beam and a second beam disposed opposite to each other and extending along the width direction of the base; a first groove provided on the side of the first beam facing the second beam, and a second groove provided on the side of the second beam facing the first beam; both the first and second grooves being higher than the bottom wall of the placement groove; and an alignment component, including a drive unit, a first slider, and a second slider, both the first and second sliders extending along the width direction of the base, the first slider being slidably disposed along the length direction of the base. A first slide groove and a second slider are slidably disposed in the second slide groove along the length direction of the base. The first slider and the second slider have a centering position close to each other and an unlocking position far apart from each other. A driving part is drivenly connected to the first slider and the second slider respectively to switch the first slider and the second slider between the unlocking position and the centering position. When the first slider and the second slider are in the centering position, both the first slider and the second slider extend into the placement groove, and the distance by which the first slider protrudes from the first slide groove is equal to the distance by which the second slider protrudes from the second slide groove. When the first slider and the second slider are in the unlocking position, the first slider retracts into the first slide groove, and the second slider retracts into the second slide groove.

[0007] Furthermore, the driving unit includes a first driving rod, a second driving rod, and a driving member. Both the first driving rod and the second driving rod extend along the length direction of the base. Both the first driving rod and the second driving rod are movably mounted on the frame. The first end of the first driving rod is driven to connect with the first slider to make the first slider slide. The first end of the second driving rod is driven to connect with the second slider to make the second slider slide. The driving member is driven to engage with the second end of the first driving rod and the second end of the second driving rod, respectively.

[0008] Furthermore, the driving component includes a driving disk, which is rotatably mounted on the frame. The second ends of the first driving rod and the second driving rod are both connected to the driving disk. The connection points between the first driving rod and the driving disk, and the connection points between the second driving rod and the driving disk, are located on both sides of the rotation center of the driving disk, respectively.

[0009] Furthermore, the drive disk includes a turntable body and a drive handle connected to each other. The turntable body is rotatably mounted on the frame portion, and the second end of the first drive rod and the second end of the second drive rod are both connected to the turntable body.

[0010] Furthermore, the drive disk has an indicator protrusion on its side wall and an alignment indicator and an unlock indicator on its base. When the first slider and the second slider are in the alignment position, the indicator protrusion corresponds to the alignment indicator. When the first slider and the second slider are in the unlock position, the indicator protrusion corresponds to the unlock indicator.

[0011] Furthermore, the frame also includes a third beam and a fourth beam located between the first beam and the second beam. The drive unit is disposed on the third beam, which has a first clearance hole and a second clearance hole. The first clearance hole penetrates the third beam and communicates with the first slide groove, and the second clearance hole penetrates the third beam and communicates with the second slide groove. The drive unit also includes a first drive pin and a second drive pin. The first drive pin is movably disposed in the first clearance hole, and its two ends are respectively connected to the first drive rod and the first slider. The second drive pin is movably disposed in the second clearance hole, and its two ends are respectively connected to the second drive rod and the second slider.

[0012] Furthermore, the first clearance hole is a first elongated hole, and the second clearance hole is a second elongated hole, with the long axis of both the first and second elongated holes extending along the length of the base.

[0013] Furthermore, the centering component also includes a linkage part, which is disposed on the fourth beam. The driving part is drivenly connected to the first end of the first slider and the first end of the second slider, respectively, and the linkage part is drivenly connected to the second end of the first slider and the second end of the second slider, respectively.

[0014] Furthermore, the frame portion has multiple first hand-holding grooves, and the bottom plate portion has multiple second hand-holding grooves that correspond one-to-one with the multiple first hand-holding grooves. The multiple first hand-holding grooves are spaced apart along the circumference of the frame portion and communicate with the placement groove. The multiple second hand-holding grooves are spaced apart along the circumference of the bottom plate portion, and the first hand-holding grooves penetrate the frame portion vertically.

[0015] Furthermore, a third hand groove is provided on the first slider, and when the first slider and the second slider are in the center position, the third hand groove corresponds to the first hand groove.

[0016] Applying the technical solution of this invention, the LED module assembly fixture includes a base and an alignment component. During LED module assembly, a drive unit drives a first slider and a second slider to unlocked positions that are far apart. Since the first slider retracts into a first groove and the second slider retracts into a second groove when both are in the unlocked positions, the first and second sliders do not interfere with the base shell and the LED light board. At this point, the LED light board can be placed in the placement groove, and the base shell can be placed on top of the LED light board. Next, the drive unit drives the first and second sliders from the unlocked positions to an alignment position where they are close to each other, allowing them to be placed in the placement groove. Since both the first and second slides are higher than the bottom wall of the placement slot, when the first slider slides along the first slide and the second slider slides along the second slide to move from the unlocked position to the centering position, the distance by which the first slider protrudes from the first slide and the distance by which the second slider protrudes from the second slide are equal. In the length direction of the base, the two ends of the LED light board protrude from the bottom shell by equal lengths, thereby enabling the bottom shell to be aligned with the LED light board and avoiding misalignment between the bottom shell and the LED light board. As a result, when multiple LED modules are spliced ​​together, no dark lines will be generated between the LED modules in the length direction of the LED modules. Attached Figure Description

[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0018] Figure 1 An exploded view of an LED module assembly fixture provided according to an embodiment of the present invention is shown;

[0019] Figure 2 A schematic diagram of the structure of the LED module assembly fixture provided according to an embodiment of the present invention is shown;

[0020] Figure 3 It shows Figure 2 A magnified view of a section at point A in the middle;

[0021] Figure 4 It shows Figure 1 A schematic diagram of the base structure;

[0022] Figure 5 A side view of the first and second sliders of the LED module assembly fixture provided according to an embodiment of the present invention is shown in the centering position;

[0023] Figure 6 A cross-sectional view of the first and second sliders of the LED module assembly fixture provided according to an embodiment of the present invention is shown in the center position;

[0024] Figure 7 Another cross-sectional view is shown of the first and second sliders of the LED module assembly fixture provided according to an embodiment of the present invention in the center position;

[0025] Figure 8 A side view of the first and second sliders of the LED module assembly fixture provided according to an embodiment of the present invention in the unlocked position is shown;

[0026] Figure 9 A cross-sectional view of the first and second sliders of the LED module assembly fixture provided according to an embodiment of the present invention in the unlocked position is shown.

[0027] Figure 10 Another cross-sectional view of the first and second sliders of the LED module assembly fixture provided according to an embodiment of the present invention is shown in the unlocked position.

[0028] The above figures include the following reference numerals:

[0029] 1. LED light panel; 2. Base shell;

[0030] 10. Base; 11. Base plate; 111. Second handle groove; 12. Frame; 121. First beam; 1211. First slide groove; 122. Second beam; 1221. Second slide groove; 123. Third beam; 1231. First clearance hole; 1232. Second clearance hole; 124. Fourth beam; 125. First handle groove; 13. Placement groove; 14. Centering indicator; 15. Unlock indicator;

[0031] 20. Centering component; 21. Drive unit; 211. First drive rod; 212. Second drive rod; 213. Drive component; 214. Drive disk; 2141. Turntable body; 2142. Drive handle; 2143. Indicator protrusion; 215. First drive pin; 216. Second drive pin; 22. First slider; 23. Second slider; 24. Linkage unit; 25. Third handle groove. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] like Figures 1 to 10 As shown, this embodiment of the invention provides an LED module assembly fixture, which includes a base 10 and an alignment component 20. The base 10 includes a base plate 11 and a frame 12 disposed above the base plate 11. A placement groove 13 is formed between the base plate 11 and the frame 12. The frame 12 includes a first beam 121 and a second beam 122 disposed opposite to each other and extending along the width direction of the base 10. A first groove 1211 is provided on the side of the first beam 121 facing the second beam 122, and a second groove 1221 is provided on the side of the second beam 122 facing the first beam 121. Both the first groove 1211 and the second groove 1221 are higher than the bottom wall of the placement groove 13. The alignment component 20 includes a drive unit 21, a first slider 22, and a second slider 23. Both the first slider 22 and the second slider 23 extend along the width direction of the base 10. The first slider 22 extends along the width direction of the base 10. The first slider 22 and the second slider 23 are slidably disposed in the first slide groove 1211 along the length direction of the base 10, and are slidably disposed in the second slide groove 1221 along the length direction of the base 10. The first slider 22 and the second slider 23 have a centering position close to each other and an unlocking position far apart from each other. The driving unit 21 is drivenly connected to the first slider 22 and the second slider 23 respectively to switch the first slider 22 and the second slider 23 between the unlocking position and the centering position. When the first slider 22 and the second slider 23 are in the centering position, the first slider 22 and the second slider 23 are both inserted into the placement groove 13, and the distance by which the first slider 22 protrudes from the first slide groove 1211 is equal to the distance by which the second slider 23 protrudes from the second slide groove 1221. When the first slider 22 and the second slider 23 are in the unlocking position, the first slider 22 retracts into the first slide groove 1211, and the second slider 23 retracts into the second slide groove 1221.

[0034] Applying the technical solution of this invention, the LED module assembly fixture includes a base 10 and an alignment component 20. When assembling the LED module, the drive unit 21 drives the first slider 22 and the second slider 23 to unlocked positions that are far apart. Since the first slider 22 retracts into the first slide groove 1211 and the second slider 23 retracts into the second slide groove 1221 when the first slider 22 and the second slider 23 are in the unlocked positions, the first slider 22 and the second slider 23 will not interfere with the bottom shell 2 and the LED light panel 1. At this time, the LED light panel 1 can be placed in the placement groove 13, and the bottom shell 2 can be placed above the LED light panel 1. Next, the drive unit 21 drives the first slider 22 and the second slider 23 from the unlocked positions to an alignment position where the first slider 22 and the second slider 23 are close to each other, allowing them to be placed in the placement groove 13. Since both the first slide groove 1211 and the second slide groove 1221 are higher than the bottom wall of the placement groove 13, when the first slider 22 slides along the first slide groove 1211 and the second slider 23 slides along the second slide groove 1221 to move from the unlocked position to the centering position, the distance by which the first slider 22 protrudes from the first slide groove 1211 and the distance by which the second slider 23 protrudes from the second slide groove 1221 are equal. In the length direction of the base 10, the two ends of the LED light board 1 protrude from the bottom shell 2 by equal lengths, thereby enabling the bottom shell 2 to be aligned with the LED light board 1, avoiding misalignment between the bottom shell 2 and the LED light board 1. Thus, when multiple LED modules are spliced ​​together, no dark lines will be generated between the LED modules in the length direction of the LED modules.

[0035] It should be noted that, since a single driving unit 21 is used to simultaneously drive the first slider 22 and the second slider 23 to slide, the distance by which the first slider 22 protrudes from the first groove 1211 and the distance by which the second slider 23 protrudes from the second groove 1221 can be controlled to be equal.

[0036] The frame portion 12 may consist only of a first beam 121 and a second beam 122 to facilitate the installation of a first slide groove 1211 and a second slide groove 1221. Alternatively, the frame portion 12 may be configured as a frame-shaped structure, with the LED light panel 1 and the bottom shell 2 placed within the frame-shaped structure.

[0037] like Figure 1As shown, the driving unit 21 includes a first driving rod 211, a second driving rod 212, and a driving member 213. Both the first driving rod 211 and the second driving rod 212 extend along the length of the base 10. Both the first driving rod 211 and the second driving rod 212 are movably mounted on the frame portion 12. The first end of the first driving rod 211 is driven to connect with the first slider 22 to cause the first slider 22 to slide. The first end of the second driving rod 212 is driven to connect with the second slider 23 to cause the second slider 23 to slide. The driving member 213 is driven to engage with the second ends of the first driving rod 211 and the second driving rod 212, respectively. With the above structure, the driving unit 21 can use the driving member 213 to move the first driving rod 211 and the second driving rod 212, thereby causing the first slider 22 to slide via the first driving rod 211 and the second slider 23 to slide via the second driving rod 212.

[0038] like Figure 1 and Figure 2 As shown, the driving component 213 includes a driving disk 214, which is rotatably mounted on the frame portion 12. The second ends of the first driving rod 211 and the second driving rod 212 are both connected to the driving disk 214. The connection points between the first driving rod 211 and the driving disk 214, and between the second driving rod 212 and the driving disk 214, are located on both sides of the rotation center of the driving disk 214. Using the aforementioned driving component 213, when the driving disk 214 rotates, it drives the first driving rod 211 and the second driving rod 212 to move, thereby moving the first slider 22 and the second slider 23. This design offers the advantages of simple structure and reliability.

[0039] In other embodiments, the driving member 213 can be configured as a gear, and the first driving rod 211 and the second driving rod 212 are both racks that mesh with the gear and are movable along the length direction of the base 10. By utilizing the meshing of the gear and the rack, when the gear rotates, it drives the gear to move, so as to drive the first slider 22 and the second slider 23 to move through the rack.

[0040] It should be noted that, since it is necessary to control the distance by which the first slider 22 protrudes from the first slide groove 1211 and the distance by which the second slider 23 protrudes from the second slide groove 1221 to be equal, the distances from the connection point of the first drive rod 211 and the drive disk 214, the connection point of the second drive rod 212 and the drive disk 214 to the rotation center of the drive disk 214 should be equal.

[0041] like Figure 3As shown, the drive disk 214 includes a turntable body 2141 and a drive handle 2142 connected to each other. The turntable body 2141 is rotatably mounted on the frame portion 12. The second end of the first drive rod 211 and the second end of the second drive rod 212 are both connected to the turntable body 2141. The use of the drive handle 2142 facilitates operation by the operator, and the turntable body 2141 is rotated by the drive handle 2142, which has the advantage of easy operation.

[0042] like Figure 3 As shown, the drive disk 214 has an indicator protrusion 2143 on its side wall, and the base 10 has an alignment indicator 14 and an unlock indicator 15. When the first slider 22 and the second slider 23 are in the alignment position, the indicator protrusion 2143 corresponds to the alignment indicator 14; when the first slider 22 and the second slider 23 are in the unlock position, the indicator protrusion 2143 corresponds to the unlock indicator 15. The alignment of the indicator protrusion 2143 with the alignment indicator 14 allows the operator to easily confirm that the operation is complete, and that the LED light panel 1 and the base shell 2 are in the alignment position, thus connecting the LED light panel 1 and the base shell 2. The alignment of the indicator protrusion 2143 with the unlock indicator 15 allows the operator to easily confirm that the first slider 22 has slid into the first slide groove 1211 and the second slider 23 has slid into the second slide groove 1221, placing the LED light panel 1 and the base shell 2 into the placement groove 13.

[0043] like Figure 1 and Figure 4 As shown, the frame 12 also includes a third beam 123 and a fourth beam 124 located between the first beam 121 and the second beam 122. The drive unit 21 is disposed on the third beam 123. The third beam 123 is provided with a first clearance hole 1231 and a second clearance hole 1232. The first clearance hole 1231 passes through the third beam 123 and communicates with the first slide groove 1211. The second clearance hole 1232 passes through the third beam 123 and communicates with the second slide groove 1221. The drive unit 21 also includes a first drive pin 215 and a second drive pin 216. The first drive pin 215 is movably disposed in the first clearance hole 1231. The two ends of the first drive pin 215 are respectively connected to the first drive rod 211 and the first slider 22. The second drive pin 216 is movably disposed in the second clearance hole 1232. The two ends of the second drive pin 216 are respectively connected to the second drive rod 212 and the second slider 23. With the above structure, the first drive pin 215 can be inserted into the first clearance hole 1231 to facilitate the connection between the first drive rod 211 and the first slider 22, and the second drive pin 216 can be inserted into the second clearance hole 1232 to facilitate the connection between the second drive rod 212 and the second slider 23.

[0044] It should be noted that during the process of the first drive rod 211 driving the first slider 22 to move via the first drive pin 215, the movement direction of the first drive pin 215 can be limited by setting the first clearance hole 1231 in the form of an elongated hole, so that it can only move along the length direction of the base 10. Alternatively, the first slider 22 can be limited by the first slide groove 1211, allowing it to move along the length direction of the base 10. Similarly, the movement direction of the second drive pin 216 can be limited by the second clearance hole 1232, allowing it to move only along the length direction of the base 10. Alternatively, the second slider 23 can be limited by the second slide groove 1221, allowing it to move along the length direction of the base 10.

[0045] In this embodiment, the first clearance hole 1231 is a first elongated hole, and the second clearance hole 1232 is a second elongated hole. The major axes of both the first and second elongated holes extend along the length direction of the base 10. The first elongated hole can limit the first drive pin 215, allowing it to slide along the length direction of the base 10. The second elongated hole can limit the second drive pin 216, allowing it to slide along the length direction of the base 10.

[0046] like Figure 1 As shown, the centering component 20 also includes a linkage part 24, which is disposed on the fourth beam 124. The drive part 21 is driven connected to the first end of the first slider 22 and the first end of the second slider 23, respectively, and the linkage part 24 is driven connected to the second end of the first slider 22 and the second end of the second slider 23, respectively. When the drive part 21 is operated, it drives the first end of the first slider 22 and the first end of the second slider 23 to move, and the linkage part 24 drives the second end of the first slider 22 and the second slider 23 to move. This allows the drive part 21 and the linkage part 24 to form a linkage effect, making the movement of the first slider 22 and the second slider 23 smoother.

[0047] In this embodiment, the linkage unit 24 has a similar structure to the drive unit 21. The linkage unit 24 includes a linkage turntable, a first linkage rod, a second linkage rod, a first linkage pin, and a second linkage pin. The linkage turntable is mounted on the fourth beam 124. The two ends of the first linkage rod are connected to the linkage turntable and the first linkage pin, respectively. The two ends of the second linkage rod are connected to the linkage turntable and the second linkage pin, respectively. The connection points between the first linkage rod and the linkage turntable, and the connection points between the second linkage rod and the linkage turntable, are located at opposite ends of the rotation center of the linkage turntable. Both the first linkage pin and the second linkage pin pass through the fourth beam. The first linkage pin is connected to the second end of the first slider 22, and the second linkage pin is connected to the second end of the second slider 23. The fourth beam 124 is provided with a third clearance hole and a fourth clearance hole. The first linkage pin passes through the third clearance hole, and the second linkage pin passes through the fourth clearance hole.

[0048] like Figure 4 As shown, the frame portion 12 has multiple first hand-holding slots 125, and the base plate portion 11 has multiple second hand-holding slots 111 corresponding to the multiple first hand-holding slots 125. The multiple first hand-holding slots 125 are spaced apart circumferentially along the frame portion 12 and communicate with the placement slot 13. The multiple second hand-holding slots 111 are spaced apart circumferentially along the base plate portion 11. The first hand-holding slots 125 penetrate the frame portion 12 vertically. By using the first hand-holding slots 125 and the second hand-holding slots 111, the operator's hands can be avoided, making it easier for the operator to pick up and put down the LED light panel 1 and the base shell 2.

[0049] In this embodiment, the first beam 121, the second beam 122, the third beam 123 and the fourth beam 124 are all provided with a first hand-holding groove 125, and the bottom plate 11 is provided with a second hand-holding groove 111 at the corresponding position.

[0050] like Figure 1 As shown, both the first slider 22 and the second slider 23 are provided with a third hand-holding groove 25. When the first slider 22 and the second slider 23 are in the center position, the third hand-holding groove 25 corresponds to the first hand-holding groove 125. The third hand-holding groove 25 can avoid the operator's hand and correspond to the first hand-holding groove 125 and the second hand-holding groove 111, making it convenient for the operator to pick up and put down the LED light panel 1 and the bottom shell 2.

[0051] The following section explains the specific usage process of the LED module assembly fixture:

[0052] First, operate the drive handle 2142 to rotate the turntable body 2141. This causes the first drive rod 211 to move the first drive pin 215 along the extension direction of the first elongated hole. The first linkage rod then moves the first linkage pin along the extension direction of the third clearance hole. The first drive pin 215 and the first linkage pin move the first slider 22. Next, the second drive rod 212 moves the second drive pin 216 along the extension direction of the second elongated hole. The second linkage rod then moves the second linkage pin along the extension direction of the fourth clearance hole. The second drive pin 216 and the second linkage pin move the second slider 23, causing both sliders 22 and 23 to move to the unlocked position. At this point, the indicator protrusion 2143 corresponds to the unlock indicator position 15. Finally, place the LED light panel 1 and the base shell 2 into the placement slot 13. Operate the drive handle 2142 to move the first slider 22 and the second slider 23 to the centering position. The distance by which the first slider 22 protrudes from the first slide groove 1211 and the distance by which the second slider 23 protrudes from the second slide groove 1221 are equal. The two ends of the LED light board 1 protrude from the bottom shell 2 by equal lengths, thereby enabling the bottom shell 2 to be aligned with the LED light board 1. At this time, the indicator protrusion 2143 corresponds to the centering indicator position 14.

[0053] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. An LED module assembly jig, characterized by, The LED module assembly jig comprises: A base (10) comprising a bottom plate portion (11) and a frame portion (12) arranged above the bottom plate portion (11), a placing groove (13) being formed between the bottom plate portion (11) and the frame portion (12), the frame portion (12) comprising a first beam (121) and a second beam (122) arranged oppositely and extending along the width direction of the base (10), the first beam (121) being provided with a first sliding groove (1211) on the side facing the second beam (122), the second beam (122) being provided with a second sliding groove (1221) on the side facing the first beam (121), the first sliding groove (1211) and the second sliding groove (1221) being higher than the bottom wall of the placing groove (13); A centering assembly (20) comprising a driving portion (21), a first sliding block (22) and a second sliding block (23), the first sliding block (22) and the second sliding block (23) extending along the width direction of the base (10), the first sliding block (22) being slidably arranged in the first sliding groove (1211) along the length direction of the base (10), the second sliding block (23) being slidably arranged in the second sliding groove (1221) along the length direction of the base (10), the first sliding block (22) and the second sliding block (23) having a centering position where they are close to each other and an unlocking position where they are away from each other, the driving portion (21) being drivingly connected with the first sliding block (22) and the second sliding block (23) to switch the first sliding block (22) and the second sliding block (23) between the unlocking position and the centering position; When the first sliding block (22) and the second sliding block (23) are in the centering position, the first sliding block (22) and the second sliding block (23) both extend into the placing groove (13), and the distance by which the first sliding block (22) protrudes out of the first sliding groove (1211) is equal to the distance by which the second sliding block (23) protrudes out of the second sliding groove (1221), when the first sliding block (22) and the second sliding block (23) are in the unlocking position, the first sliding block (22) retracts into the first sliding groove (1211), and the second sliding block (23) retracts into the second sliding groove (1221). The driving part (21) comprises a first driving rod (211), a second driving rod (212) and a driving member (213), the first driving rod (211) and the second driving rod (212) extend along the length direction of the base (10), the first driving rod (211) and the second driving rod (212) are movably arranged on the frame part (12), the first end of the first driving rod (211) is drivingly connected with the first sliding block (22) to drive the first sliding block (22) to slide, the first end of the second driving rod (212) is drivingly connected with the second sliding block (23) to drive the second sliding block (23) to slide, and the second end of the first driving rod (211) and the second end of the second driving rod (212) are drivingly matched with the driving member (213) respectively.

2. The LED module assembly fixture of claim 1, wherein, The driving member (213) comprises a driving disc (214), the driving disc (214) is rotatably arranged on the frame part (12), and the second end of the first driving rod (211) and the second end of the second driving rod (212) are connected with the driving disc (214), and the connection positions of the first driving rod (211) and the second driving rod (212) with the driving disc (214) are located on the two sides of the rotation center of the driving disc (214) respectively.

3. The LED module assembly fixture of claim 2, wherein, The driving disc (214) comprises a rotating disc body (2141) and a driving handle (2142) connected with each other, the rotating disc body (2141) is rotatably arranged on the frame part (12), and the second end of the first driving rod (211) and the second end of the second driving rod (212) are connected with the rotating disc body (2141).

4. The LED module assembly fixture of claim 2, wherein, A side wall of the driving disc (214) is provided with an indicating protrusion (2143), the base (10) is provided with a centering indicating position (14) and an unlocking indicating position (15), wherein when the first sliding block (22) and the second sliding block (23) are in the centering position, the indicating protrusion (2143) can correspond to the centering indicating position (14), and when the first sliding block (22) and the second sliding block (23) are in the unlocking position, the indicating protrusion (2143) can correspond to the unlocking indicating position (15).

5. The LED module assembly jig according to claim 1, wherein, The frame part (12) further comprises a third beam body (123) and a fourth beam body (124) located between the first beam body (121) and the second beam body (122), the driving part (21) is arranged on the third beam body (123), the third beam body (123) is provided with a first avoiding hole (1231) and a second avoiding hole (1232), the first avoiding hole (1231) penetrates through the third beam body (123) and communicates with the first sliding groove (1211), and the second avoiding hole (1232) penetrates through the third beam body (123) and communicates with the second sliding groove (1221). The driving part (21) further comprises a first driving pin (215) and a second driving pin (216), the first driving pin (215) is movably arranged in the first avoiding hole (1231), two ends of the first driving pin (215) are connected with the first driving rod (211) and the first sliding block (22) respectively, the second driving pin (216) is movably arranged in the second avoiding hole (1232), two ends of the second driving pin (216) are connected with the second driving rod (212) and the second sliding block (23) respectively.

6. The LED module assembly fixture of claim 5, wherein, The first avoiding hole (1231) is a first long slot, the second avoiding hole (1232) is a second long slot, and the long axis of the first long slot and the long axis of the second long slot extend along the length direction of the base (10).

7. The LED module assembly fixture of claim 5, wherein, The centering assembly (20) further comprises a linkage part (24), the linkage part (24) is arranged on the fourth beam body (124), the driving part (21) is drivingly connected with the first end of the first sliding block (22) and the first end of the second sliding block (23) respectively, and the linkage part (24) is drivingly connected with the second end of the first sliding block (22) and the second end of the second sliding block (23) respectively.

8. The LED module assembly fixture of claim 1, wherein, The frame part (12) is provided with a plurality of first hand slots (125), the bottom plate part (11) is provided with a plurality of second hand slots (111) corresponding to the plurality of first hand slots (125) one by one, the plurality of first hand slots (125) are arranged along the circumference of the frame part (12) and are in communication with the placing groove (13), and the plurality of second hand slots (111) are arranged along the circumference of the bottom plate part (11), the first hand slot (125) penetrates the frame part (12) in the vertical direction.

9. The LED module assembly fixture of claim 8, wherein, The first sliding block (22) and the second sliding block (23) are provided with third hand slots (25), when the first sliding block (22) and the second sliding block (23) are located at the centering position, the third hand slots (25) correspond to the first hand slots (125).

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