CN210352017U

CN210352017U - PCB fixing device of SMT chip mounter

Info

Publication number: CN210352017U
Application number: CN201920452697.4U
Authority: CN
Inventors: 刘发冰
Original assignee: Shenzhen Hanhaixing Industry Co Ltd
Current assignee: Shenzhen Hanhaixing Industry Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-04-17
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a PCB fixing device of SMT chip mounter, including holder, roof, bolster and extension board, one side on the top of extension board is connected with the bottom plate through the pivot, one side welding that the pivot was kept away from to the one end of bottom plate has the regulation post, the bolster, four groups have all been welded in the four corners department on the top of bottom plate the top and the roof welding of bolster, the central authorities of the bottom of roof are fixed with fan and protection casing, the top welding of roof has two sets of slide rails, and is two sets of the cross-section of slide rail is T shape, every group be provided with two sets of sliders on the slide rail, four groups the equal welding of lateral wall in the slider looks has the holder, four groups the equal threaded connection of lateral wall that the slider was carried on the back mutually has the threaded rod, the tip of. This PCB fixing device of SMT chip mounter can fix the PCB of different models, can adjust PCB's gradient, has reduced the influence of vertical impact force to PCB.

Description

PCB fixing device of SMT chip mounter

Technical Field

The utility model belongs to the technical field of the PCB production, concretely relates to PCB fixing device of SMT chip mounter.

Background

The PCB, which is called a printed circuit board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. The printed boards have evolved from single-layer to double-sided, multi-layer and flexible, and still remain the trend for each. Due to the continuous development towards high precision, high density and high reliability, the volume is continuously reduced, the cost is reduced, and the performance is improved, so that the printed board still keeps strong vitality in the development engineering of future electronic equipment. The general discussion of the future development trend of the production and manufacturing technology of the printed board at home and abroad is basically consistent, namely the development is carried out in the directions of high density, high precision, fine pore diameter, thin conducting wires, fine spacing, high reliability, multilayering, high-speed transmission, light weight and thinness, and the development is carried out in the directions of improving the production rate, reducing the cost and reducing the pollution, and adapting to the production of multiple varieties and small batches. The state of the art of printed circuits is generally represented by the line width, the aperture, and the ratio of the thickness/aperture on the printed circuit board. The PCB needs to be fixed in the production process, the PCB is fixed on a processing table by a general fixing mode through screws, and the screws are screwed out after the PCB is processed, so that the time and the labor are wasted, and the PCB is easily impacted, extruded and even damaged.

Therefore, in view of the current situation, it is urgently needed to design and produce a PCB fixing device of an SMT chip mounter so as to meet the needs of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB fixing device of SMT chip mounter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PCB fixing device of SMT chip mounter includes a clamping member, a top plate, a buffer member and a support plate, one side of the top end of the support plate is connected with a bottom plate through a rotating shaft, one end of the bottom plate, far away from the rotating shaft, is welded with an adjusting column, four corners of the top end of the bottom plate are respectively welded with a buffer member, the top ends of the four groups of buffer members are welded with the top plate, a fan and a protective cover are fixed at the center of the bottom end of the top plate, a plurality of groups of ventilation holes penetrating through the top wall and the bottom wall of the top plate are arranged inside the top plate, the welding of the top of roof has two sets of slide rails, and is two sets of the cross-section of slide rail is T shape, every group be provided with two sets of sliders, four groups on the slide rail the centre gripping piece has all been welded to the lateral wall that the slider is in opposite directions, four groups the equal threaded connection of lateral wall that the slider was carried on the back mutually has the threaded rod, the tip of threaded rod runs through the slider and contradicts with the lateral wall of slide rail.

Preferably, the holder includes inserted bar, extension spring and connecting plate, the one end of inserted bar runs through the connecting plate, the bottom of inserted bar bonds there is the rubber pad, the top integrated into one piece of inserted bar has the separation blade, the outer wall cover of inserted bar has the extension spring, the top of extension spring and the separation blade welding on inserted bar top, the bottom and the connecting plate welding of extension spring.

Preferably, adjust the post and include lead screw, cavity post and backing sheet, lead screw and cavity post threaded connection, the one end that the lead screw was kept away from to the cavity post bonds and has circular shape backing sheet.

Preferably, the buffer part comprises a movable column, a sleeve and a pressure spring, the section of the movable column is in an inverted T shape, the bottom end of the movable column is inserted into the sleeve, and the pressure spring is welded at the bottom end of the movable column.

Preferably, the fan and the protective cover are both fixed at the bottom end of the top plate through screws, and a protective net is fixed on one side, far away from the top plate, of the protective cover through screws.

Preferably, the anti-slip pads are bonded at four corners of the bottom end of the support plate, and the top wall of the support plate is provided with clamping grooves matched with the support sheet.

The utility model discloses a technological effect and advantage: according to the PCB fixing device of the SMT chip mounter, the sliding blocks are used for adjusting the distance between the four groups of sliding blocks on the sliding rail, the threaded rods are screwed, the sliding blocks are fixed on the sliding rail, the inserting rods are pulled, the PCB is placed below the rubber pad, the inserting rods are loosened, the rubber pad is tightly attached to the PCB through the tension springs, the PCBs of different models can be fixed on the top plate without screws, and the probability that the PCBs are damaged due to stress concentrated by the screws is reduced; the hollow columns are rotated to adjust the heights of the adjusting columns, the inclination between the bottom plate and the horizontal plane and the inclination between the top plate and the horizontal plane can be adjusted, so that not only can the PCB be inclined, but also the top plate and the PCB can be kept in a horizontal state when the processing table is inclined, and the PCB can be conveniently processed; the activity post moves down to drive the pressure spring and takes place deformation, can alleviate the influence of vertical impact force to roof and PCB, and this SMT chip mounter's PCB fixing device can fix the PCB of different models, can adjust PCB's gradient, has reduced the influence of vertical impact force to PCB.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is a schematic structural view of the clamping member of the present invention;

fig. 3 is a schematic structural view of the adjusting column of the present invention;

fig. 4 is a sectional view of the buffer member of the present invention.

In the figure: the device comprises a clamping piece 1, an inserting rod 101, a tension spring 102, a connecting plate 103, a rubber pad 104, a sliding rail 2, a sliding block 3, a threaded rod 4, a top plate 5, a fan 6, a protective cover 7, a buffer piece 8, a movable column 80, a sleeve 81, a pressure spring 82, a bottom plate 9, an adjusting column 10, a lead screw 1001, a hollow column 1002, a supporting sheet 1003 and a supporting plate 11.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a PCB fixing device of SMT chip mounter as shown in figures 1-4, which comprises a clamping piece 1, a top plate 5, a buffer piece 8 and a support plate 11, wherein one side of the top end of the support plate 11 is connected with a bottom plate 9 through a rotating shaft, one side of one end of the bottom plate 9 far away from the rotating shaft is welded with an adjusting column 10, four corners of the top end of the bottom plate 9 are all welded with the buffer piece 8, four groups of the top ends of the buffer pieces 8 are welded with the top plate 5, a fan 6 and a protective cover 7 are fixed at the center of the bottom end of the top plate 5, a plurality of groups of ventilation holes penetrating through the top wall and the bottom wall of the top plate 5 are arranged in the top of the top plate 5, the top end of the top plate 5 is welded with two groups of slide rails 2, the sections of the two groups of the slide rails 2 are both in T shape, two groups of the slide rails, the tip of threaded rod 4 runs through slider 3 and contradicts with the lateral wall of slide rail 2.

Specifically, holder 1 includes inserted bar 101, extension spring 102 and connecting plate 103, the one end of inserted bar 101 runs through connecting plate 103, there is rubber pad 104 inserted bar 101's bottom bonding, inserted bar 101's top integrated into one piece has the separation blade, inserted bar 101's outer wall cover has extension spring 102, the top of extension spring 102 and the separation blade welding on inserted bar 101 top, extension spring 102's bottom and connecting plate 103 welding, slider 3 adjusts the distance of four group's sliders 3 on slide rail 2, screws threaded rod 4, fixes slider 3 on slide rail 2, and pulling inserted bar 101 places PCB in 104's below, loosens inserted bar 101, and extension spring 102 makes rubber pad 104 hug closely PCB, need not the screw, can fix the PCB of different models on roof 5, has reduced PCB and has received concentrated stress and the probability of damaging.

Specifically, adjust post 10 including lead screw 1001, cavity post 1002 and backing sheet 1003, lead screw 1001 and cavity post 1002 threaded connection, the one end that the lead screw 1001 was kept away from to cavity post 1002 bonds there is circular shape backing sheet 1003, and cavity post 1002 is in the rotating, adjusts the height of adjusting post 10, can adjust the gradient of bottom plate 9 and roof 5 and horizontal plane, not only can make the PCB slope, can make roof 5 and PCB keep the horizontality when the processing platform inclines moreover, is convenient for to the processing of PCB.

Specifically, bolster 8 is including activity post 80, sleeve pipe 81 and pressure spring 82, the cross-section of activity post 80 is the T shape of invering, in sleeve pipe 81 was inserted to the bottom of activity post 80, the bottom welding of activity post 80 has pressure spring 82, and activity post 80 moves down and drives pressure spring 82 and take place deformation, can alleviate the influence of vertical impact force to roof 5 and PCB.

Specifically, fan 6 and protection casing 7 are all through the fix with screw in the bottom of roof 5, one side that roof 5 was kept away from to protection casing 7 has the protection network through the fix with screw, and fan 6 can cool down PCB.

Specifically, the four corners of the bottom end of the support plate 11 are all bonded with non-slip pads, and the top wall of the support plate 11 is provided with a clamping groove matched with the support plate 1003.

Specifically, this PCB fixing device of SMT chip mounter, sliding block 3, adjust the distance of four group's sliders 3 on slide rail 2, threaded rod 4 screws, fix slider 3 on slide rail 2, pulling inserted bar 101, place PCB in the below of rubber pad 104, loosen inserted bar 101, extension spring 102 makes rubber pad 104 hug closely PCB, need not the screw, can fix the PCB of different models on roof 5, hollow column 1002 in the rotating, adjust the height of adjusting column 10, can adjust the gradient of bottom plate 9 and roof 5 and horizontal plane, not only can make PCB slope, and can make roof 5 and PCB keep the horizontality when the processing platform slope, be convenient for to the processing of PCB, PCB finishes processing, only need lift inserted bar 101, can take off PCB from roof 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a PCB fixing device of SMT chip mounter, includes holder (1), roof (5), bolster (8) and extension board (11), its characterized in that: one side of the top end of the support plate (11) is connected with a bottom plate (9) through a rotating shaft, one side, far away from the rotating shaft, of one end of the bottom plate (9) is welded with an adjusting column (10), four corners of the top end of the bottom plate (9) are welded with buffering parts (8), the top ends of the four buffering parts (8) are welded with a top plate (5), a fan (6) and a protective cover (7) are fixed at the center of the bottom end of the top plate (5), a plurality of groups of ventilation holes penetrating through the top wall and the bottom wall of the top plate (5) are formed in the top plate (5), two groups of sliding rails (2) are welded at the top end of the top plate (5), the sections of the two groups of sliding rails (2) are T-shaped, two groups of sliding blocks (3) are arranged on each group of sliding rails (2), clamping parts (1) are welded on opposite side, the end of the threaded rod (4) penetrates through the sliding block (3) and is abutted against the side wall of the sliding rail (2).

2. The PCB fixing device of an SMT chip mounter according to claim 1, wherein: holder (1) is including inserted bar (101), extension spring (102) and connecting plate (103), the one end of inserted bar (101) runs through connecting plate (103), the bottom bonding of inserted bar (101) has rubber pad (104), the top integrated into one piece of inserted bar (101) has the separation blade, the outer wall cover of inserted bar (101) has extension spring (102), the top of extension spring (102) and the separation blade welding on inserted bar (101) top, the bottom and the connecting plate (103) welding of extension spring (102).

3. The PCB fixing device of an SMT chip mounter according to claim 1, wherein: adjust post (10) including lead screw (1001), cavity post (1002) and backing sheet (1003), lead screw (1001) and cavity post (1002) threaded connection, the one end that lead screw (1001) were kept away from in cavity post (1002) bonds and has circular shape backing sheet (1003).

4. The PCB fixing device of an SMT chip mounter according to claim 1, wherein: buffer member (8) are including activity post (80), sleeve pipe (81) and pressure spring (82), the cross-section of activity post (80) is the T shape of invering, the bottom of activity post (80) is inserted in sleeve pipe (81), the bottom welding of activity post (80) has pressure spring (82).

5. The PCB fixing device of an SMT chip mounter according to claim 1, wherein: fan (6) and protection casing (7) all pass through the fix with screw in the bottom of roof (5), one side that roof (5) were kept away from in protection casing (7) is through the fix with screw protection network.

6. The PCB fixing device of an SMT chip mounter according to claim 1, wherein: the anti-slip device is characterized in that anti-slip pads are bonded at four corners of the bottom end of the support plate (11), and a clamping groove matched with the support plate (1003) is formed in the top wall of the support plate (11).