阅读说明：本技术 一种线路板样品固定支架 (Circuit board sample fixed bolster ) 是由 钟东新 于 2021-09-08 设计创作，主要内容包括：本发明涉及线路板领域,尤其涉及一种线路板样品固定支架,包括底板,所述底板上端一侧固定有立板,所述底板上端另一侧固定有固定板,所述立板上正对固定板的一侧均匀固定有多根支撑条,所述固定板上与支撑条对应位置均设置有支撑装置,所述支撑装置包含贯穿固定板的连接槽,所述连接槽上设置有与连接槽滑动连接的支撑板,所述支撑板上方的固定板两侧均固定有连接块,两块对应位置的连接块之间设置有与连接块转动连接的连接轴,所述连接轴与对应的支撑板之间还设置有多个限位装置,所述限位装置包含固定在连接轴上的支撑套,所述限位装置还包含固定在支撑板上方的支撑轴。通过调整支撑板的位置可以满足不同尺寸的线路板样品固定需求。(The invention relates to the field of circuit boards, in particular to a circuit board sample fixing support which comprises a bottom plate, a vertical plate is fixed on one side of the upper end of the bottom plate, a fixed plate is fixed on the other side of the upper end of the bottom plate, a plurality of supporting bars are uniformly fixed on one side of the vertical plate, which is opposite to the fixed plate, the positions of the fixed plate corresponding to the supporting strips are provided with supporting devices, the supporting devices comprise connecting grooves penetrating through the fixed plate, a supporting plate which is connected with the connecting groove in a sliding way is arranged on the connecting groove, connecting blocks are fixed on both sides of a fixing plate above the supporting plate, a connecting shaft which is connected with the connecting blocks in a rotating way is arranged between the two connecting blocks at the corresponding positions, still be provided with a plurality of stop device between connecting axle and the backup pad that corresponds, stop device contains the support cover of fixing on the connecting axle, stop device still contains the back shaft of fixing in the backup pad top. The fixing requirements of circuit board samples of different sizes can be met by adjusting the positions of the supporting plates.)

1. The utility model provides a circuit board sample fixed bolster, includes the bottom plate, its characterized in that: a vertical plate is fixed on one side of the upper end of the bottom plate, a fixed plate is fixed on the other side of the upper end of the bottom plate, a plurality of support bars are uniformly fixed on one side of the vertical plate opposite to the fixed plate, supporting devices are arranged on the fixed plate and correspond to the support bars, each supporting device comprises a connecting groove penetrating through the fixed plate, a supporting plate in sliding connection with the connecting groove is arranged on the connecting groove, connecting blocks are fixed on two sides of the fixed plate above the supporting plate, a connecting shaft rotationally connected with the connecting blocks is arranged between the connecting blocks at two corresponding positions, a plurality of limiting devices are arranged between the connecting shaft and the corresponding supporting plates, each limiting device comprises a supporting sleeve fixed on the connecting shaft, a supporting shaft fixed above the supporting plate is further provided with a supporting tube rotationally connected with the supporting shaft, and a connecting rod is further fixed on the supporting tube, the connecting rod passes through the corresponding support sleeve and is in sliding connection with the support sleeve, and a support spring in a compressed state is fixed between the support sleeve and the support tube.

2. The sample fixing bracket for a circuit board according to claim 1, characterized in that: the supporting plates are symmetrically fixed on the fixing plates on two sides of the supporting plate and are in a concave shape, and the supporting plate is in sliding connection with the corresponding supporting blocks.

3. The sample fixing bracket for a circuit board according to claim 2, characterized in that: and a plurality of balls are uniformly arranged on the supporting blocks at the two sides of the supporting plate and are in rolling connection with the supporting blocks.

4. The sample fixing bracket for a circuit board according to claim 1, characterized in that: handles are fixed at the tail ends of the connecting shafts.

5. The sample fixing bracket for a circuit board according to claim 1, characterized in that: the tail ends of the connecting rods are fixed with limiting blocks.

6. The sample fixing bracket for a circuit board according to claim 1, characterized in that: the support bar is L form, the one end that the backup pad is close to the support bar also is L form.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of circuit boards, in particular to a circuit board sample fixing support.

[ background of the invention ]

The circuit board has the name: the circuit board is miniaturized and visualized, and plays an important role in the batch production of fixed circuits and the optimization of the layout of electric appliances, and the multilayer board is formed by laminating more than three conductive pattern layers and insulating materials in the conductive pattern layers at intervals, and the conductive patterns in the multilayer board are interconnected according to requirements. The multilayer circuit board is a product of the development of electronic information technology towards high speed, multifunction, large capacity, small volume, thinning and light weight, and the circuit board is divided into a soft board, a hard board and a soft-hard combined board according to characteristics.

Circuit board manufacturers need to produce circuit boards of different sizes, the circuit board of every model all has corresponding test sample, and test sample puts and all stacks together, leads to the component collision on the circuit board to drop easily when the sample stacks the back and takes, influences the sample and uses.

The invention is provided for overcoming the defects of the prior art.

[ summary of the invention ]

The invention aims to overcome the defects of the prior art and provides a circuit board sample fixing bracket.

The invention can be realized by the following technical scheme:

the invention discloses a circuit board sample fixing bracket, which comprises a bottom plate, wherein a vertical plate is fixed on one side of the upper end of the bottom plate, a fixing plate is fixed on the other side of the upper end of the bottom plate, a plurality of supporting bars are uniformly fixed on one side of the vertical plate, which is opposite to the fixing plate, supporting devices are arranged on the fixing plate, which correspond to the supporting bars, and comprise a connecting groove penetrating through the fixing plate, a supporting plate slidably connected with the connecting groove is arranged on the connecting groove, connecting blocks are fixed on both sides of the fixing plate above the supporting plate, a connecting shaft rotatably connected with the connecting blocks is arranged between the two connecting blocks at corresponding positions, a plurality of limiting devices are also arranged between the connecting shaft and the corresponding supporting plate, each limiting device comprises a supporting sleeve fixed on the connecting shaft, a supporting shaft fixed above the supporting plate is also arranged on the supporting shaft, and a supporting tube rotatably connected with the supporting shaft is arranged on the supporting shaft, the support tube is also fixedly provided with a connecting rod, the connecting rod passes through the corresponding support sleeve and is in sliding connection with the support sleeve, and a support spring in a compressed state is also fixed between the support sleeve and the support tube. When a circuit board sample is placed, a connecting shaft is rotated, a supporting sleeve is fixed on the connecting shaft, a supporting shaft is fixed at the upper end of the supporting plate, a supporting tube which is rotatably connected with the supporting shaft is arranged on the supporting shaft, a connecting rod is fixed on the supporting tube, one end of the connecting rod penetrates through the supporting sleeve and is in sliding connection with the supporting sleeve, when the connecting shaft rotates, the connecting rod rotates around the connecting shaft, the connecting rod pushes the supporting shaft to move, the supporting plate moves along with the supporting shaft, the connecting rod continues to rotate along with the connecting shaft after rotating to a vertical state, after the supporting plate moves to a specified position, one end of the circuit board sample is placed on a supporting bar, the other end of the circuit board sample is placed on the supporting plate, the connecting shaft continues to rotate, after the circuit board sample is fixed between the supporting bar and the supporting plate, the circuit board can be effectively fixed by pushing the supporting spring, when the circuit board sample is used, the handheld circuit board sample, the reverse rotation connecting axle, the circuit board is taken off after backup pad and the separation of circuit board sample, can fix the circuit board sample on the support bar of difference through this device, and alternate segregation between two adjacent circuit board samples can not damage the component on the sample when the sample is got and is put to the position through the adjustment backup pad can satisfy the fixed demand of not unidimensional circuit board sample.

Preferably, the fixing plates on the two sides of the supporting plate are symmetrically fixed with supporting blocks, the supporting blocks are in a concave shape, and the supporting plate is in sliding connection with the corresponding supporting blocks.

Preferably, a plurality of balls are uniformly arranged on the supporting blocks on the two sides of the supporting plate, and the balls are in rolling connection with the supporting blocks. Through setting up the ball and can effectively avoid the backup pad friction when removing with the supporting shoe, can realize that the backup pad slides steadily.

Preferably, handles are fixed at the tail ends of the connecting shafts. The connecting shaft can be more conveniently rotated through the handle.

Preferably, the tail ends of the connecting rods are fixed with limiting blocks. The limiting blocks are arranged to prevent the connecting rod from being separated from the supporting sleeve.

Preferably, the supporting bar is L-shaped, and one end of the supporting bar, which is close to the supporting bar, is also L-shaped.

Compared with the prior art, the invention has the following advantages:

1. the circuit board samples can be fixed on different supporting strips through the device, the two adjacent circuit board samples are separated from each other, and elements on the samples cannot be damaged when the samples are taken and placed.

2. The fixing requirements of circuit board samples of different sizes can be met by adjusting the positions of the supporting plates.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is an enlarged view of FIG. 1 at B;

in the figure: 1. a base plate; 2. a vertical plate; 3. a fixing plate; 4. a supporting strip; 5. a support device; 6. connecting grooves; 7. a support block; 8. a support plate; 9. a support shaft; 10. supporting a tube; 11. a connecting rod; 12. connecting blocks; 13. a connecting shaft; 14. a support sleeve; 15. a limiting block; 16. a handle; 17. a support spring;

[ detailed description ] embodiments

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

as shown in fig. 1 to 4, the invention discloses a circuit board sample fixing bracket, which comprises a bottom plate 1, wherein a vertical plate 2 is fixed on one side of the upper end of the bottom plate 1, a fixing plate 3 is fixed on the other side of the upper end of the bottom plate 1, a plurality of supporting bars 4 are uniformly fixed on one side of the vertical plate 2 facing the fixing plate 3, supporting devices 5 are arranged on the fixing plate 3 corresponding to the supporting bars 4, each supporting device 5 comprises a connecting groove 6 penetrating through the fixing plate 3, a supporting plate 8 slidably connected with the connecting groove 6 is arranged on the connecting groove 6, connecting blocks 12 are fixed on both sides of the fixing plate 3 above the supporting plate 8, a connecting shaft 13 rotatably connected with the connecting blocks 12 is arranged between the two connecting blocks 12 corresponding to each other, a plurality of limiting devices are also arranged between the connecting shaft 13 and the corresponding supporting plate 8, each limiting device comprises a supporting sleeve 14 fixed on the connecting shaft 13, and a supporting shaft 9 fixed above the supporting plate 8, the supporting shaft 9 is provided with a supporting pipe 10 which is rotatably connected with the supporting shaft 9, a connecting rod 11 is further fixed on the supporting pipe 10, the connecting rod 11 penetrates through a corresponding supporting sleeve 14 and is in sliding connection with the supporting sleeve 14, and a supporting spring 17 in a compressed state is further fixed between the supporting sleeve 14 and the supporting pipe 10. When placing the circuit board sample, the connecting shaft 13 is rotated, because the connecting shaft 13 is fixed with the supporting sleeve 14, the upper end of the supporting plate 8 is fixed with the supporting shaft 9, the supporting shaft 9 is provided with the supporting tube 10 which is rotatably connected with the supporting shaft 9, the supporting tube 10 is fixed with the connecting rod 11, one end of the connecting rod 11 passes through the supporting sleeve 14 and is in sliding connection with the supporting sleeve 14, when the connecting shaft 13 rotates, the connecting rod 11 rotates around the connecting shaft 13, the connecting rod 11 pushes the supporting shaft 9 to move, the supporting plate 8 moves along with the supporting shaft 9, the connecting rod 11 continues to rotate along with the connecting shaft 13 after rotating to the vertical state, after the supporting plate 8 moves to the designated position, one end of the circuit board sample is placed on the supporting bar 4, the other end of the circuit board sample is placed on the supporting plate 8, the connecting shaft 13 continues to rotate, after the circuit board sample is fixed between the supporting bar 4 and the supporting plate 8, the connecting shaft 13 is loosened, and promote stay tube 10 through supporting spring 17 and can effectively fix the circuit board, when the circuit board sample used, handheld circuit board sample, antiport connecting axle 13, backup pad 8 takes off the circuit board after with the separation of circuit board sample, can fix the circuit board sample on different support bars 4 through this device, alternate segregation between two adjacent circuit board samples, the sample can not damage the upper element of sample when getting, and can satisfy the fixed demand of circuit board sample of different sizes through the position of adjustment backup pad 8.

Wherein, the fixed plate 3 of backup pad 8 both sides is still fixed with supporting shoe 7 symmetrically, and supporting shoe 7 is the character cut in bas-relief, and backup pad 8 and corresponding supporting shoe 7 sliding connection.

Wherein, evenly be provided with a plurality of balls on the supporting shoe 7 of backup pad 8 both sides, ball and supporting shoe 7 roll connection. Through setting up the ball and can effectively avoid 8 friction with supporting shoe 7 when removing of backup pad, can realize 8 steady slideings of backup pad.

Wherein, the handle 16 is fixed at the tail end of the connecting shaft 13. The connecting shaft 13 is more conveniently rotated by means of the handle 16.

Wherein, the tail end of the connecting rod 11 is fixed with a limiting block 15. The stopper 15 is provided to prevent the connection rod 11 from being separated from the support sleeve 14.

Wherein, the supporting bar 4 is L-shaped, and one end of the supporting plate 8 close to the supporting bar 4 is also L-shaped.

The above is only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make various changes, modifications, substitutions and alterations to the embodiments without departing from the technical principles of the present invention, and such changes, modifications, substitutions and alterations should also be regarded as the protection scope of the present invention.