CN215146457U - Spring floating type memory bank slot pressing mechanism - Google Patents

Abstract

The utility model relates to a mainboard processing technology field, and a floating DRAM slot hold-down mechanism of spring is disclosed, including mount table, processing board, connecting plate, integrated circuit board and DRAM slot, the preceding lateral wall fixed mounting of connecting plate has the guide rail, and the position fixed mounting that the preceding lateral wall of connecting plate corresponds the guide rail has the transmission piece that is run through by the guide rail, the top fixed mounting slider of transmission piece, the bottom wall fixedly connected with depression bar of transmission piece, the bottom wall fixed mounting of depression bar has the mounting panel. The utility model discloses in, this spring floating DRAM slot hold-down mechanism, the pressure head is tightly fixed the DRAM slot on integrated circuit board, because three pressure heads of group are located left side, right side and the intermediate position at DRAM slot top respectively, three pressure heads of group push down the DRAM slot simultaneously and can avoid the uneven circumstances that makes integrated circuit board and DRAM slot installation not tight of DRAM slot atress to take place, and push down once and can accomplish the installation.

Description

Spring floating type memory bank slot pressing mechanism

Technical Field

The utility model relates to a mainboard processing technology field especially relates to a floating DRAM slot hold-down mechanism of spring.

Background

In the assembly process of the network server mainboard, a step is to assemble a memory bank slot on a PBCA (circuit board), the memory bank slot has a plurality of structures, wherein one structure is provided, the slot is provided with 3 spring plate pins, when the memory bank slot is assembled with the PCBA, the spring plate pins are inserted into holes on the PCBA, the spring plates can be clamped in the holes, so that the contact points of other pins and the PBCA are contacted, and the memory bank slot with the structure is automatically assembled by using a chip mounter at present.

The chip mounter on the market at present basically has two types of pressure heads, one type is of a cylindrical structure, only one pressure head is used for compressing one point, but the problem that one end of the pressure head is easy to compress and the other end of the pressure head is tilted due to single-point compression is solved, and the memory bar slot can be completely pressed well only by repeatedly performing the compressing action back and forth, so that the productivity is influenced; the other is rectangular shape, carries out the pressure head that compresses tightly to the whole face, and this kind of structure is though speed is very fast, but to the size precision of product, the size precision requirement of machinery in addition is higher, if the condition that appears not parallel between PCBA/DRAM slot/pressure head three, can lead to the DRAM slot one end to appear and compress tightly, the condition that other one end did not compress tightly appears, appears the quality problem. Therefore, a spring floating type memory bank slot pressing mechanism is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a spring floating DRAM slot hold-down mechanism.

In order to realize above-mentioned purpose, the utility model discloses a following technical scheme, a floating DRAM slot hold-down mechanism of spring, the test platform comprises a mounting table, the processing board, the connecting plate, integrated circuit board and DRAM slot, the preceding lateral wall fixed mounting of connecting plate has the guide rail, the preceding lateral wall of connecting plate corresponds the position fixed mounting of guide rail and has the transmission piece that is run through by the guide rail, the top fixed mounting slider of transmission piece, the bottom wall fixedly connected with depression bar of transmission piece, the bottom wall fixed mounting of depression bar has the mounting panel, the bottom wall fixed mounting of mounting panel has the installation piece, the bottom wall fixed mounting of installation piece has linear bearing, equal slidable mounting has the guiding axle in linear bearing's the inner wall, the position fixed mounting that the bottom of guiding axle corresponds DRAM slot has the pressure head.

Preferably, the processing plate is installed at the lower end of the front side wall surface of the installation platform, the connecting plate is fixedly installed above the front side wall surface of the installation platform through screws, the integrated circuit board is arranged at the top of the processing plate, and the memory bank slot is arranged on the top wall surface of the integrated circuit board.

Preferably, the guide shafts are sleeved with springs.

Preferably, the slider is vertically slidable on a side wall of the guide rail.

Advantageous effects

The utility model provides a spring floating DRAM slot hold-down mechanism. The method has the following beneficial effects:

(1) the spring floating type memory bank slot pressing mechanism is characterized in that a chip mounter pre-inserts a memory bank slot on an integrated circuit board, a pressing rod is held to press downwards, the pressing rod drives a transmission block to move, the transmission block drives a sliding block to slide on a guide rail, the sliding block slides on the guide rail so that the pressing rod can drive a mounting plate to move downwards, the mounting plate drives a mounting block to move downwards, a guide shaft arranged on the mounting block drives a pressing head to move above three elastic sheet pins of the memory bank slot, then the pressure head is pressed downwards with force to fix the memory bank slot on the integrated circuit board tightly, because three pressure heads of group are located left side, right side and the intermediate position at memory strip slot top respectively, three pressure heads of group push down memory strip slot simultaneously can avoid the inhomogeneous circumstances that makes integrated circuit board and memory strip slot installation not tight of memory strip slot atress to take place, just once pushes down and can accomplish the installation.

(2) This floating DRAM slot hold-down mechanism of spring because all cup jointed the spring on the guiding axle, when the pressure head was downwards, if when DRAM slot and pressure head nonparallel, can absorb these deviations through the compression deformation of spring.

(3) This floating DRAM slot hold-down mechanism of spring, because the slider is that the drive pressure head is pushed down on the guide rail, the guide rail is vertical and installs on the connecting plate, so the pressure head is vertical extrudees DRAM slot downwards for the power that DRAM slot received is vertical ascending, thereby avoided DRAM slot to receive the ground power of slope when the installation and lead to the condition that DRAM slot produced the unable installation of slope.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

Illustration of the drawings:

1. an installation table; 2. processing a plate; 3. a connecting plate; 4. a guide rail; 5. a slider; 6. a transmission block; 7. a pressure lever; 8. mounting a plate; 9. mounting blocks; 10. a linear bearing; 11. a guide shaft; 12. a spring; 13. a pressure head; 14. an integrated circuit board; 15. and a memory bank slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-3, a spring floating type memory bank slot pressing mechanism includes a mounting table 1, a processing plate 2, a connecting plate 3, an integrated circuit board 14 and a memory bank slot 15, the mounting table 1 is a block with a rectangular structure, the processing plate 2 is a plate with a rectangular structure, the processing plate 2 is mounted at the lower end of the front side wall surface of the mounting table 1, the connecting plate 3 is a plate with a rectangular structure, the connecting plate 3 is fixedly mounted above the front side wall surface of the mounting table 1 by screws, the integrated circuit board 14 is arranged at the top of the processing plate 2, the memory bank slot 15 is arranged on the top wall surface of the integrated circuit board 14, the front side wall surface of the connecting plate 3 is fixedly mounted with a guide rail 4, the guide rail 4 is an i-shaped structure with grooves on both sides, a transmission block 6 penetrated by the guide rail 4 is fixedly mounted at a position, corresponding to the guide rail 4, on the top of the transmission block 6 is fixedly mounted with a slide block 5 capable of sliding on the guide rail 4, the bottom wall fixedly connected with depression bar 7 of driving block 6, the bottom wall fixed mounting of depression bar 7 has mounting panel 8, the bottom wall fixed mounting of mounting panel 8 has installation piece 9, installation piece 9 is the rectangle structure, the bottom wall fixed mounting of installation piece 9 has six linear bearing 10 of group, linear bearing 10 is the ring shape structure, equal slidable mounting has guiding axle 11 in linear bearing 10's the inner wall, guiding axle 11 is cylindrical structure, spring 12 has all been cup jointed on guiding axle 11, the equal fixed mounting in position of every two sets of similar guiding axle 11's the bottom correspondence DRAM slot 15 has pressure head 13, pressure head 13 is T font structure.

The utility model discloses a theory of operation:

when the memory strip slot mounting device is used, the memory strip slot 15 is pre-inserted into the integrated circuit board 14 by the chip mounter, the press rod 7 is held to press downwards, the press rod 7 drives the transmission block 6 to move, the transmission block 6 drives the slide block 5 to slide on the guide rail 4, the slide block 5 can slide on the guide rail 4, the press rod 7 can drive the mounting plate 8 to move downwards, the mounting plate 8 drives the mounting block 9 to move downwards, the guide shaft 11 arranged on the mounting block 9 drives the press head 13 to move to the positions above three spring sheet pins of the memory strip slot 15, then the press head is pressed downwards with force, so that the press head 13 tightly fixes the memory strip slot 15 on the integrated circuit board 14, as the three groups of press heads 13 are respectively positioned at the left side, the right side and the middle position of the top of the memory strip slot 15, the three groups of press heads 13 simultaneously press down the memory strip slot 15 can avoid the situation that the integrated circuit board 14 and the memory strip slot 15 are not tightly installed due to uneven stress, and the installation can be finished by pressing down once.

Because the guide shaft 11 is sleeved with the spring 12, when the pressure head 13 is downward, if the memory bank slot 15 is not parallel to the pressure head 13, the deviation can be absorbed by the compression deformation of the spring 12.

Because the slider 5 slides on the guide rail 4 to drive the pressing head 13 to press the memory bank slot 15 downwards, and the guide rail 4 is vertically installed on the connecting plate 3, the pressing head 13 vertically downwards presses the memory bank slot 15, so that the memory bank slot 15 is vertically upwards stressed, and the situation that the memory bank slot 15 is inclined and cannot be installed due to the fact that the memory bank slot 15 is obliquely stressed when being installed is avoided.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims (4)

1. The utility model provides a floating DRAM slot hold-down mechanism of spring, includes mount table (1), processing board (2), connecting plate (3), integrated circuit board (14) and DRAM slot (15), its characterized in that: the utility model discloses a memory card, including the preceding lateral wall face fixed mounting of connecting plate (3), the position fixed mounting that the preceding lateral wall face of connecting plate (3) corresponds guide rail (4) has transmission piece (6) that are run through by guide rail (4), the top fixed mounting slider (5) of transmission piece (6), the bottom wall fixedly connected with depression bar (7) of transmission piece (6), the bottom wall fixed mounting of depression bar (7) has mounting panel (8), the bottom wall fixed mounting of mounting panel (8) has installation piece (9), the bottom wall fixed mounting of installation piece (9) has linear bearing (10), equal slidable mounting has guiding axle (11) in the inner wall of linear bearing (10), the position fixed mounting that the bottom of guiding axle (11) corresponds DRAM slot (15) has pressure head (13).

2. The spring-floating type memory bank slot hold-down mechanism of claim 1, wherein: the processing plate (2) is installed at the lower end of the front side wall face of the installing platform (1), the connecting plate (3) is fixedly installed above the front side wall face of the installing platform (1) through screws, the integrated circuit board (14) is arranged at the top of the processing plate (2), and the memory bank slot (15) is arranged on the top wall face of the integrated circuit board (14).

3. The spring-floating type memory bank slot hold-down mechanism of claim 1, wherein: and the guide shafts (11) are sleeved with springs (12).

4. The spring-floating type memory bank slot hold-down mechanism of claim 1, wherein: the sliding block (5) can vertically slide on the side wall of the guide rail (4).

Images