CN116156825A - Circuit board mounting apparatus - Google Patents

Abstract

The invention relates to the technical field of circuit board installation and discloses circuit board installation equipment. The circuit board mounting apparatus includes a main treating tool including: a cover plate; the four clamping assemblies are mutually connected, two clamping assemblies are arranged on the cover plate at intervals along the first direction, the other two clamping assemblies are arranged on the cover plate at intervals along the second direction, and the four clamping assemblies can be mutually closed to simultaneously and respectively abut against and press four sides of the circuit board; the quick clamp is connected with the two parallel clamping assemblies and is used for providing tensioning force for the clamping assemblies so as to drive the four clamping assemblies to be mutually close or relieving the tensioning force for the clamping assemblies. The circuit board mounting device can automatically mount the circuit board in the annular groove in the case in an interference manner, the circuit board cannot be damaged, and the mounting efficiency is high.

Description

Circuit board mounting apparatus

Technical Field

The invention relates to the technical field of circuit board installation, in particular to circuit board installation equipment.

Background

In the process of installing the circuit board, the circuit board is usually required to be installed in an annular groove in the chassis in an interference mode, so that the circuit board can work in the chassis more stably. At present, the interference installation of the circuit board is usually carried out by adopting a manual installation mode, but because the size of the circuit board needs to be slightly larger than the size of the annular groove in the interference installation process, the problem that the circuit board is damaged due to improper installation easily occurs by adopting the manual installation mode, the normal use function of the circuit board cannot be ensured, the time and the labor are wasted, and the installation efficiency is lower.

Accordingly, there is a need for a circuit board mounting apparatus that can solve the above problems.

Disclosure of Invention

The invention aims to provide circuit board mounting equipment which can automatically mount a circuit board in an annular groove in a chassis in an interference manner, does not damage the circuit board, saves time and labor and has higher mounting efficiency.

To achieve the purpose, the invention adopts the following technical scheme:

a circuit board mounting apparatus for interference mounting a circuit board into an annular groove in a chassis interior, the circuit board mounting apparatus comprising a primary treatment tool comprising:

a cover plate;

the four clamping assemblies are mutually connected, two clamping assemblies are arranged on the cover plate at intervals along a first direction, the other two clamping assemblies are arranged on the cover plate at intervals along a second direction, the four clamping assemblies can be mutually close to simultaneously and respectively abut against four sides of the circuit board, the sides of the circuit board can be inwards extruded towards the center of the circuit board, and the first direction is perpendicular to the second direction;

the quick clamp is connected with the two clamping assemblies in parallel, and is used for providing tension force for the clamping assemblies so as to drive the four clamping assemblies to be close to each other or release the tension force for the clamping assemblies.

Further, the centers of the four clamping assemblies are provided with supporting blocks, and the supporting blocks are fixedly arranged on the cover plate; the four clamping assemblies comprise two oppositely arranged first clamping assemblies, the two first clamping assemblies can clamp two edges of the circuit board along the first direction respectively, and the first clamping assemblies comprise:

the guide blocks are arranged on the cover plate in a sliding manner along the first direction, and two ends of the quick clamp are respectively and fixedly arranged on the guide blocks in the two first clamping assemblies;

the first supporting end of the first clamping jaw is arranged on the guide block, the first pressing end of the first clamping jaw penetrates through the cover plate and extends downwards, and the first pressing end can move in the cover plate along the first direction;

one end of the first elastic piece is fixedly connected to the supporting block, and the other end of the first elastic piece is fixedly connected to one end, which is not provided with the first clamping jaw, of the guide block.

Further, the quick clamp comprises:

the clamp comprises a matched block and a clamp body, wherein the matched block and the clamp body are respectively and fixedly arranged on two guide blocks, the matched block is connected with the clamp body, and the matched block and the clamp body can be mutually tensioned or loosened.

Further, the four clamping assemblies further include two second clamping assemblies disposed opposite to each other, the two second clamping assemblies being capable of clamping two other sides of the circuit board in the second direction, respectively, the second clamping assemblies including:

the fixed seat is arranged on the cover plate and is movably connected with the guide blocks, the guide blocks can drive the fixed seat to slide on the cover plate along the second direction, and the two guide blocks and the two fixed seats are arranged on the periphery of the supporting block in a surrounding mode;

the second supporting end of the second clamping jaw is arranged on the fixing seat, the second pressing end of the second clamping jaw penetrates through the cover plate and extends downwards, the arrangement position of the second supporting end on the fixing seat is adjustable, and the second pressing end can move in the cover plate along the second direction;

the one end of second elastic component is fixedly connected to the supporting shoe, the other end of second elastic component is fixedly connected to be provided with on the fixing base the one end of second clamping jaw.

Further, the two first clamping jaws are provided with one first pressing end, one of the two second clamping jaws is provided with two second pressing ends, and the other second clamping jaw is provided with one second pressing end.

Further, the main tool further includes a first limiting component, the first limiting component is used for limiting the moving distance of the guide block, which is close to the support block in the first direction, and the first limiting component includes:

a first stop screw extending in the first direction;

the first ejector block is fixedly arranged on the cover plate, a circular ring is convexly arranged on the first ejector block, the end part of the first limit screw penetrates through the circular ring and is connected to the guide block, the first limit screw can move in the circular ring along the first direction, and the inner diameter of the circular ring is smaller than the outer diameter of the head part of the first limit screw.

Further, the main tool further includes a second limiting component, the second limiting component is used for limiting the moving distance of the guide block away from the support block in the first direction, and the second limiting component includes:

the second limit screw extends along the first direction, and the second limit screw and the first limit screw are oppositely arranged on the guide block;

the second ejector block is fixedly arranged on the cover plate, an abutting protrusion is arranged on the second ejector block, the second limit screw is located between the guide block and the abutting protrusion, and the second limit screw can be abutted to the abutting protrusion.

Further, the bottom surface of apron is provided with the spacer pin respectively and dodges the draw-in groove, be provided with first mounting hole and second mounting hole on the circuit board, circuit board erection equipment still includes:

the first spacing seat is used for placing before the interference installation the circuit board, first spacing seat includes first base and four first stopper, four first stopper week is established on the first base, every the terminal surface of first stopper all is provided with spacing hole and spacing lug, one of them the terminal surface of first stopper still is provided with spacing post, spacing post can insert to in the first mounting hole, the locating pin can pass in proper order the second mounting hole with spacing hole, just spacing lug can the joint to dodge in the draw-in groove.

Further, the both sides that set up relatively on the apron are provided with the installation draw-in groove respectively, be provided with first lug on the quick-witted case, first lug can the joint to in the installation draw-in groove, circuit board erection equipment still includes:

the second limiting seat is used for placing the case, the second limiting seat comprises a second base and four second limiting blocks, the four second limiting blocks are circumferentially arranged on the second base, a plurality of second protruding blocks are arranged on the second base and are located in the four second limiting blocks, a plurality of clamping holes are formed in the bottom end face of the case, and the second protruding blocks can be clamped into the clamping holes.

The beneficial effects of the invention are as follows:

the cover plate is provided with four clamping components which are in a cross structure and are connected with each other, and the quick clamp is connected with the two parallel clamping components; when the circuit board is required to be installed in the annular groove, the quick clamp provides tension force for the two clamping assemblies connected with the quick clamp to drive the four clamping assemblies to be close to each other, so that the four edges of the circuit board can be clamped and extruded respectively towards the center close to the circuit board through the four clamping assemblies, and the circuit board is clamped and placed in the annular groove; the four clamping assemblies respectively press the four edges of the circuit board, so that the size of the circuit board can be slightly reduced; the quick clamp releases the tension force to the clamping components, and at the moment, the four clamping components do not clamp the circuit board any more, so that the size of the circuit board is restored to be capable of abutting against the inner wall of the annular groove, and the purpose of mounting the circuit board in the annular groove in an interference manner is achieved; in this way, can be automatically with circuit board interference installation in the ring channel of quick-witted incasement portion, avoid the problem of damaging the circuit board easily when manual installation, can guarantee the normal use function of circuit board, and labour saving and time saving, installation effectiveness is higher.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of a treating device according to the present invention;

FIG. 2 is a schematic diagram of a second embodiment of the present invention with the protective cover removed;

FIG. 3 is a schematic view of a third embodiment of the present invention (with the shield, handle and quick clamp removed);

FIG. 4 is a schematic view of the first clamping assembly, the first spacing assembly, and the second spacing assembly provided by the present invention;

FIG. 5 is a schematic view of a second clamping assembly (a second clamping jaw having two second abutment ends) according to the present invention;

fig. 6 is a schematic structural view of a first limiting seat provided by the present invention;

FIG. 7 is a schematic view of the structure of the bottom surface of the cover plate provided by the invention;

fig. 8 is a schematic structural view of a second limiting seat provided by the present invention.

Reference numerals:

1-an indication tool; 10-a clamping assembly; 11-cover plate; 111-a protective cover; 112-lightening holes; 113-a handle; 114-a limiting pin; 115-avoiding the clamping groove; 116-a guide sleeve; 117-mounting a clamping groove; 12-a first clamping assembly; 121-a guide block; 122-a first jaw; 1221-a first support end; 1222-a first abutment; 1223-protective glue; 123-a first elastic member; 124-a weight-reducing tank; 125-adjusting screws; 13-a second clamping assembly; 131-fixing base; 1311-oblique holes; 132-a second jaw; 1321-a second support end; 1322-a second pressing end; 133-a second elastic member; 14-quick clamp; 141-a clip body; 142-mating blocks; 15-supporting blocks; 16-a first limiting assembly; 161-first limit screws; 162-a first top block; 163-a circular ring; 17-a second limiting assembly; 171-a second stop screw; 172-a second top block; 173-abutting the protrusion; 18-linear guide rails; 19-a connecting shaft; 191-ball bearings;

2-a first limiting seat; 21-a first base; 22-a first limiting block; 221-a limit column; 222-a limiting hole; 223-limit bump; 224-a pinch-grip;

3-a second limiting seat; 31-a second base; 32-a second limiting block; 33-second bump.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and are not intended to indicate or imply that the structures or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

In the process of installing the circuit board, the circuit board is usually required to be installed in an annular groove in the chassis in an interference mode, so that the circuit board can work in the chassis more stably. At present, the interference installation of the circuit board is usually carried out by adopting a manual installation mode, but because the size of the circuit board needs to be slightly larger than the size of the annular groove in the interference installation process, the problem that the circuit board is damaged due to improper installation easily occurs by adopting the manual installation mode, the normal use function of the circuit board cannot be ensured, the time and the labor are wasted, and the installation efficiency is lower.

For this reason, in the present embodiment, a circuit board mounting apparatus for automatically interference-mounting a circuit board in an annular groove inside a chassis is proposed. The circuit board mounting apparatus in the present embodiment may also be used for automatic mounting of a workpiece similar to the circuit board structure, not limited to the circuit board in the present embodiment. The circuit board and the chassis in this embodiment may be of a structure common in the prior art.

Specifically, as shown in fig. 1 to 3, the circuit board mounting apparatus includes a main jig 1, the main jig 1 being for gripping a circuit board and being capable of interference-mounting the circuit board in an annular groove; the main tool 1 comprises a cover plate 11, a quick clamp 14 and four clamping assemblies 10 which are connected with each other, wherein two clamping assemblies 10 in the four clamping assemblies 10 are arranged on the cover plate 11 at intervals along a first direction, and the other two clamping assemblies 10 are arranged on the cover plate 11 at intervals along a second direction, namely the four clamping assemblies 10 are arranged on the cover plate 11 in a cross-shaped structure, and the four clamping assemblies 10 can be mutually closed to simultaneously and respectively abut against four sides of a circuit board and can press the sides of the circuit board inwards towards the center of the circuit board; the quick clamp 14 is connected to two clamping assemblies 10 parallel to each other, and the quick clamp 14 is used for providing tension to the clamping assemblies 10 to drive the four clamping assemblies 10 toward each other or releasing tension to the clamping assemblies 10.

That is, the quick clamp 14 has a push-up state and a press-fit state, and when the quick clamp 14 is in the press-fit state, the tension provided by the quick clamp 14 can draw the four clamping assemblies 10 toward each other to clamp and press the four sides of the circuit board, respectively, to clamp and place the circuit board in the annular groove; when the quick clamp 14 is in the push-up state, the quick clamp 14 does not provide tension to the clamping assemblies 10, and at this time, the four clamping assemblies 10 no longer clamp the circuit board, so that the circuit board can be directly abutted against the inner wall of the annular groove, and the circuit board is installed in the annular groove in an interference manner. The first direction is perpendicular to the second direction, and the first direction is parallel to the length direction of the cover plate 11, and the second direction is parallel to the width direction of the cover plate 11, where the first direction is specifically shown by arrow a in fig. 1-3, and the second direction is specifically shown by arrow B in fig. 1-3.

By arranging four clamping assemblies 10 which are in a cross-shaped structure and are connected with each other on the cover plate 11, and connecting the quick clamp 14 with two clamping assemblies which are parallel to the quick clamp; when the circuit board is required to be installed in the annular groove, the quick clamp 14 is used for providing tension force for the two clamping assemblies 10 connected with the quick clamp to drive the four clamping assemblies 10 to be close to each other, so that the four edges of the circuit board can be respectively clamped and pressed by the four clamping assemblies 10 towards the center close to the circuit board to clamp and place the circuit board in the annular groove; since the four clamping assemblies 10 respectively press the four sides of the circuit board, the size of the circuit board can be slightly reduced; the quick clamp 14 releases the tension force on the clamping assemblies 10, and at the moment, the four clamping assemblies 10 do not clamp the circuit board any more, so that the size of the circuit board is restored to be capable of abutting against the inner wall of the annular groove, and the purpose of mounting the circuit board in the annular groove in an interference manner is achieved; in this way, can be automatically with circuit board interference installation in the ring channel of quick-witted incasement portion, compare in the mode of manual installation, the circuit board atress is more even, can avoid the problem of damaging the circuit board easily when manual installation, can guarantee the normal use function of circuit board, and labour saving and time saving, the installation effectiveness is higher.

Further, as shown in fig. 1 to 3, a supporting block 15 is provided at the center position of the four clamping assemblies 10, and the supporting block 15 is fixedly provided on the cover plate 11; the four clamping assemblies 10 include two first clamping assemblies 12 disposed opposite each other in a first direction, and the two first clamping assemblies 12 are capable of clamping two sides of a circuit board in the first direction.

Specifically, as shown in fig. 3 and 4, the first clamping assembly 12 includes a guide block 121, a first clamping jaw 122, and a first elastic member 123; wherein the guide blocks 121 are slidably disposed on the cover plate 11 along the first direction, and two ends of the quick clamp 14 are fixedly disposed on the guide blocks 121 in the two first clamping assemblies 12, respectively, that is, the support block 15 is located between the two guide blocks 121; the first support ends 1221 of the first clamping jaws 122 are arranged on the guide blocks 121, the first pressing ends 1222 of the first clamping jaws 122 penetrate through the cover plate 11 and extend downwards, the first pressing ends 1222 can move in a first direction in the cover plate 11, so that the first pressing ends 1222 of the two first clamping jaws 122 can clamp a circuit board in the first direction; one end of the first elastic member 123 is fixedly connected to the supporting block 15, and the other end of the first elastic member 123 is fixedly connected to one end of the guide block 121, on which the first clamping jaw 122 is not arranged; when the quick clamp 14 is in the pressing state, the quick clamp 14 can drive the two guide blocks 121 to draw close to each other along the first direction, so that the two first clamping jaws 122 clamp two edges of the circuit board in the first direction respectively, and at the moment, the first elastic piece 123 is compressed; when the quick clamp 14 is in the push-up state, the mutual tension force between the two guide blocks 121 is eliminated, and at this time, the first elastic piece 123 can drive the guide blocks 121 to move away from the supporting block 15, so that the first pressing end 1222 of the first clamping jaw 122 is separated from the circuit board. In this embodiment, the first elastic member 123 may be a compression spring.

Through setting up first elastic component 123, when quick clamp 14 is in the state of pushing up and release the tensioning force to clamping assembly 10, make first elastic component 123 can provide the elastic force to first clamping jaw 122 to make first clamping jaw 122 can move to the direction of keeping away from the circuit board, thereby make first butt end 1222 break away from the circuit board comparatively easily, be favorable to the circuit board size to resume, so that the circuit board can directly butt to the inner wall of ring channel.

Specifically, as shown in fig. 4, a linear guide 18 is provided on one of the cover plate 11 and the guide block 121, and a slider is provided on the other, the linear guide 18 extends in the first direction, and the slider is capable of sliding on the linear guide 18 to provide a guiding effect for the movement of the guide block 121 on the cover plate 11, thereby ensuring the stability and accuracy of the movement of the guide block 121. In the present embodiment, the cover plate 11 is provided with a linear guide 18, and the guide block 121 is provided with a slider. In other embodiments, a slider may be provided on the cover plate 11, and a linear guide 18 may be provided on the guide block 121.

Further, the setting position of the first supporting end 1221 on the guide block 121 may be adjusted, so that the position of the first pressing end 1222 of the first clamping jaw 122 may be suitable, and thus it may be ensured that the two first pressing ends 1222 may simultaneously and respectively press against two sides of the circuit board in the first direction.

Specifically, as shown in fig. 4, a rectangular hole extending along the first direction is provided on the guide block 121, an adjusting projection is provided on the bottom end surface of the first support end 1221, an adjusting screw 125 is provided on the guide block 121, an end portion of the adjusting screw 125 passes through the guide block 121 and abuts against the adjusting projection, and the adjusting screw 125 is rotated to drive the adjusting projection to move in the rectangular hole, so that the setting position of the first support end 1221 on the guide block 121 can be adjusted.

Further, as shown in fig. 1 and 2, the quick clamp 14 includes a mating block 142 and a clamp body 141, the mating block 142 and the clamp body 141 being fixedly disposed on the two guide blocks 121, respectively, the mating block 142 and the clamp body 141 being connected; when the quick clamp 14 is in a pressing state, the matching block 142 and the clamp main body 141 are mutually tensioned so as to drive the two guide blocks 121 to be mutually close; when the quick clamp 14 is in the push-up state, the matching block 142 and the clamp body 141 are mutually loosened, and at this time, no tension is applied between the matching block 142 and the clamp body 141, i.e. the matching block 142 and the clamp body 141 are in a loose free state. The mating block 142 in this embodiment is specifically a block structure, and the clip body 141 adopts a quick clip structure that is common in the prior art, and one end of the quick clip 14 is connected to the mating block 142.

Specifically, as shown in fig. 1 to 3, the four clamping assemblies 10 further include two second clamping assemblies 13 disposed opposite to each other in the second direction, and the two second clamping assemblies 13 can respectively clamp the other two sides of the circuit board along the second direction, so as to be capable of mutually matching with the two first clamping assemblies 12 to clamp the four sides of the circuit board.

Further, as shown in fig. 3 and 5, the second clamping assembly 13 includes a fixing base 131, a second clamping jaw 132, and a second elastic member 133; the fixing base 131 is arranged on the cover plate 11, the fixing base 131 is movably connected with the guide block 121, the guide block 121 can drive the fixing base 131 to slide on the cover plate 11 along the second direction, and the two guide blocks 121 and the two fixing bases 131 are sequentially arranged on the periphery of the supporting block 15 in a surrounding manner; the second supporting ends 1321 of the second clamping jaws 132 are arranged on the fixing base 131, the second pressing ends 1322 of the second clamping jaws 132 penetrate through the cover plate 11 and extend downwards, and the second pressing ends 1322 can move in the cover plate 11 along the second direction, so that the second pressing ends 1322 of the two second clamping jaws 132 can clamp the circuit board in the second direction; one end of the second elastic member 133 is fixedly connected to the supporting block 15, and the other end of the second elastic member 133 is fixedly connected to an end of the fixing base 131 where the second clamping jaw 132 is not disposed. The second elastic member 133 in this embodiment may be a compression spring.

When the quick clamp 14 is in the pressing state, the quick clamp 14 can drive the two guide blocks 121 to be close to each other along the first direction, so that the two first clamping jaws 122 clamp two edges of the circuit board in the first direction respectively; meanwhile, the guide block 121 can drive the two fixing bases 131 to be close to each other along the second direction, so that the two second clamping jaws 132 respectively clamp the other two sides of the circuit board, and the circuit board can be clamped up through the two first clamping jaws 122 and the two second clamping jaws 132; at this time, the second elastic member 133 is compressed; when the quick clamp 14 is in the push-up state, the force of the guide blocks 121 to the fixing base 131 is eliminated due to the elimination of the mutual tension force between the two guide blocks 121, and at this time, the second elastic member 133 can drive the fixing base 131 to move away from the supporting block 15, so that the second pressing end 1322 of the second clamping jaw 132 is separated from the circuit board. The function of the second elastic member 133 is similar to that of the first elastic member 123, and will not be further described herein.

Specifically, as shown in fig. 3 to 5, two inclined holes 1311 are provided on each of the fixing bases 131, the two inclined holes 1311 are symmetrically provided with respect to the second direction, and the distance between the two inclined holes 1311 is gradually increased in the direction approaching the support block 15, a ball bearing 191 is provided in each of the inclined holes 1311, a connecting shaft 19 is vertically provided in the guide block 121, the connecting shaft 19 passes through the inner ring of the roller bearing, and both ends of the connecting shaft 19 are fixedly connected to the guide block 121; when the guide block 121 moves along the first direction, the guide block 121 can drive the connecting shaft 19 to move, so that the connecting shaft 19 can drive the fixing base 131 to move in the second direction through the roller bearing, thereby achieving the purpose that the guide block 121 drives the fixing base 131 to move. In other embodiments, other movable connection structures may be provided between the fixing base 131 and the guide block 121, so long as the fixing base 131 is ensured to be moved in the second direction by the guide block 121.

Specifically, the setting position of the second supporting end 1321 on the fixing base 131 can also be adjusted, so that the position of the second pressing end 1322 of the second clamping jaw 132 is relatively suitable to be matched with the positions of the first pressing ends 1222 of the two first clamping jaws 122, so that the two first pressing ends 1222 and the two second pressing ends 1322 can be simultaneously and respectively pressed against four sides of the circuit board, and the circuit board can be clamped. The adjusting process of the setting position of the second supporting end 1321 on the fixing base 131 is the same as the adjusting process of the position of the first supporting end 1221 on the guide block 121, and the adjusting process of the position of the first supporting end 1221 on the guide block 121 is referred to above, which will not be described in detail herein.

Specifically, the linear guide 18 is also disposed on one of the cover 11 and the fixing base 131, and the other is provided with a slider, and the detailed process will not be repeated, and the process of disposing the linear guide 18 and the slider on the cover 11 and the guide block 121 is referred to above.

Further, as shown in fig. 4 and 5, the ends of the first pressing end 1222 and the second pressing end 1322 are both covered with a protective adhesive 1223, so that the first pressing end 1222 or the second pressing end 1322 can be prevented from touching and scratching the inner walls of the circuit board and the chassis during the process of clamping the circuit board, and other structures in the circuit board and the chassis can be well protected. The protective glue 1223 is disposed on the first pressing end 1222 and the second pressing end 1322 by adopting an integral molding encapsulation process, so that the protective glue 1223 is coated on the end of the first pressing end 1222 or the second pressing end 1322 more comprehensively and tightly, and the falling problem is avoided. The protective glue 1223 is a glue commonly used in the prior art.

Specifically, as shown in fig. 2 and 3, each of the two first clamping jaws 122 has a first abutment end 1222, one of the two second clamping jaws 132 has two second abutment ends 1322, and the other of the two second clamping jaws 132 has one second abutment end 1322; that is, the two first clamping assemblies 12 are identical in structure, and the two second clamping assemblies 13 are identical in structure except that the second pressing ends 1322 of the second clamping jaws 132 are different in number.

Through setting up two second in a second clamping jaw 132 and support and press end 1322, when pressing from both sides the circuit board, make the second clamping jaw 132 that is provided with two second and support and press end 1322 press from both sides that the intermediate position was equipped with the recess on the circuit board, two second support and press end 1322 and press respectively to the both sides of recess promptly to can guarantee that the clamping force of two first clamping jaw 122 and two second clamping jaw 132 on each edge of whole circuit board is more suitable, avoid damaging the circuit board or the clamping force is too little and the tight problem of clamp to the clamping force of circuit board too big.

Further, as shown in fig. 3 and 4, the main tool 1 further includes a first limiting component 16, where the first limiting component 16 is used to limit the moving distance of the guide block 121 near the supporting block 15 in the first direction, that is, the distance that the two first clamping components 12 close to each other can be limited by the first limiting component 16, so that the clamping force of the first pressing ends 1222 of the two first clamping jaws 122 on the circuit board in the first direction can be controlled, and further the clamping force of the second pressing ends 1322 of the two second clamping jaws 132 on the circuit board in the second direction can be controlled, so as to avoid the problem that the circuit board is damaged due to excessive deformation caused by excessive clamping force on the circuit board.

Specifically, as shown in fig. 3 and 4, the first limit assembly 16 includes a first limit screw 161 and a first top block 162; wherein the first limit screw 161 extends in a first direction; the first top block 162 is fixedly arranged on the cover plate 11, a circular ring 163 is convexly arranged on the first top block 162, the end part of the first limit screw 161 can penetrate through the circular ring 163 and is connected to the guide block 121, and the inner diameter of the circular ring 163 is smaller than the outer diameter of the head part of the first limit screw 161; when the two guide blocks 121 are close to each other, the first limit screw 161 can move in the annular ring 163 along the first direction, when the head of the first limit screw 161 is abutted to the annular ring 163, the annular ring 163 can limit the further movement of the first limit screw 161, at the moment, the two guide blocks 121 cannot be closed again, correspondingly, the two fixing seats 131 cannot be closed again, namely, the clamping force on the circuit board is maximum at the moment. The relative distance between the annular ring 163 and the head of the first limit screw 161 needs to be determined according to specific working conditions and actual clamping requirements of the circuit board.

Specifically, as shown in fig. 3, the first limiting assemblies 16 on the two guide blocks 121 are disposed diagonally on the cover plate 11, so as to limit the two guide blocks 121 from being close to each other from two diagonal positions, so that the two guide blocks 121 can be more stably limited from being further close to each other, and a good limiting effect is achieved on the guide blocks 121.

Further, as shown in fig. 3 and fig. 4, the main tool 1 further includes a second limiting component 17, where the second limiting component 17 is used to limit the moving distance of the guide block 121 away from the supporting block 15 in the first direction, that is, the distance between the two first clamping components 12 can be limited by the second limiting component 17, so that on one hand, the distance between the clamp main body 141 and the mating block 142 in the quick clamp 14 can be controlled, and the normal use function of the quick clamp 14 is prevented from being affected due to the longer distance between the clamp main body 141 and the mating block 142; on the other hand, the distance that the first pressing end 1222 and the second pressing end 1322 move towards the inner wall of the case can also be controlled, so that the problem that the first pressing end 1222 and the second pressing end 1322 are pressed against the inner wall of the case to be damaged is avoided.

Specifically, as shown in fig. 3 and 4, the second limiting assembly 17 includes a second limiting screw 171 and a second top block 172; wherein the second limit screw 171 extends along the first direction, and the second limit screw 171 and the first limit screw 161 are oppositely arranged on the guide block 121 based on the first direction; the second top block 172 is fixedly disposed on the cover plate 11, an abutment protrusion 173 is disposed on the second top block 172, the second limit screw 171 is located between the guide block 121 and the abutment protrusion 173, and a head of the second limit screw 171 can abut against the abutment protrusion 173.

When the two guide blocks 121 are far away from each other and the two fixing bases 131 are far away from each other, the guide blocks 121 can drive the second limit screw 171 to move in the first direction, and when the head of the second limit screw 171 abuts against the abutting protrusion 173, the abutting protrusion 173 can limit further movement of the second limit screw 171, at this time, the two guide blocks 121 cannot be further far away from each other, and correspondingly, the two fixing bases 131 cannot be further far away from each other, namely, at this time, the first abutting end 1222 and the second abutting end 1322 are both moved to the farthest distance. The relative distance between the abutment protrusion 173 and the head of the second stop screw 171 needs to be determined according to the specific working condition and the distance requirement.

Specifically, as shown in fig. 3, the second limiting assemblies 17 on the two guide blocks 121 are also diagonally arranged on the cover plate 11, that is, the first limiting assemblies 16 and the second limiting assemblies 17 are alternately arranged in sequence on four corners of the square structure formed by the two guide blocks 121, so that the two guide blocks 121 can be limited from being far away from each other from two diagonal positions, further separation of the two guide blocks 121 can be more stably limited, and the limiting effect on the guide blocks 121 is better.

Further, as shown in fig. 1 and 4, a plurality of lightening holes 112 are provided on the cover plate 11, the two guide blocks 121 and the two fixing bases 131, and a plurality of lightening grooves 124 are provided on the two first clamping jaws 122, the two second clamping jaws 132, the two guide blocks 121 and the two fixing bases 131, so that the weight of the main jig 1 can be made lighter, and the lightening of the whole circuit board mounting apparatus is facilitated.

Specifically, the cover plate 11 is made of antistatic transparent acrylic material, so that on one hand, the weight of the cover plate 11 can be lighter, and the weight of the whole main treatment tool 1 is lighter; on the other hand, the cover plate 11 can be prevented from being bumped to scratch the circuit board or the chassis, so that the circuit board and the chassis can be better protected.

Further, as shown in fig. 1, a handle 113 and a protective cover 111 are further provided on the cover 11; wherein the handle 113 can facilitate lifting of the entire treatment tool 1; the protective cover 111 is positioned on the top end surfaces of the first clamping jaw 122, the second clamping jaw 132, the guide block 121 and the fixing base 131, so that the protective cover 111 can protect the exposed structures of the four clamping assemblies 10; the protective cover 111 is made of aluminum alloy or other light materials, so that the weight of the protective cover 111 is light, and the weight of the main fixture 1 can be light. In this example, the weight of the entire treating tool 1 is 1.3kg.

Specifically, as shown in fig. 6, the circuit board mounting apparatus further includes a first limiting seat 2, where the first limiting seat 2 is used for placing a circuit board before interference mounting, so that the two first clamping jaws 122 and the two second clamping jaws 132 can accurately clamp the circuit board from the first limiting seat 2 and move into the annular groove, thereby facilitating subsequent interference mounting of the circuit board.

Further, a first mounting hole is formed in the circuit board; as shown in fig. 6, the first limiting seat 2 includes a first base 21 and four first limiting blocks 22, the four first limiting blocks 22 are circumferentially arranged on the first base 21, a limiting bump 223 is arranged on the top end surface of each first limiting block 22, and a limiting column 221 is also arranged on the top end surface of one of the first limiting blocks 22; when the circuit board is required to be mounted on the first limiting seat 2, the circuit board is horizontally placed on the four first limiting blocks 22, meanwhile, the limiting columns 221 are inserted into the first mounting holes, the whole circuit board is limited on the inner sides of the limiting protruding blocks 223, the circuit board can be accurately placed on the first limiting seat 2, the L-shaped notch on the circuit board is arranged towards the left lower side along the second direction, and the nameplate on the first base 21 is arranged towards the right upper side along the second direction.

Specifically, as shown in fig. 6, a plurality of pressing clips 224 are further disposed on the first base 21, and the pressing clips 224 are used for pressing the circuit board on the four first limiting blocks 22, so that the circuit board can be stably placed on the four first limiting blocks 22; when the main tool 1 needs to clamp the circuit board, the pressing clamp 224 is directly pushed, that is, the pressing clamp 224 does not interfere with the operation of clamping the circuit board by the main tool 1. In this embodiment, the pressing clip 224 may be a quick clip structure as is commonly known in the art.

Specifically, as shown in fig. 6 and 7, a limiting pin 114 and an avoiding slot 115 are respectively arranged on the bottom end surface of the cover plate 11, a second mounting hole is further arranged on the circuit board, and a limiting hole 222 is further arranged on the top end surface of each first limiting block 22; when the main tool 1 is required to be used for taking the circuit board from the first limiting seat 2, the limiting pins 114 sequentially penetrate through the second mounting holes and the limiting holes 222, and meanwhile, the limiting protruding blocks 223 can be clamped in the avoiding clamping grooves 115, so that the alignment of the main tool 1 and the circuit board is completed, and at the moment, the circuit board is clamped by the two first clamping claws 122 and the two second clamping claws 132 from the four first limiting blocks 22.

Further, as shown in fig. 8, the circuit board mounting apparatus further includes a second limiting seat 3, where the second limiting seat 3 is used for mounting the chassis, so that the position of the chassis can be matched with the position of the circuit board, thereby being beneficial to accurately mounting the circuit board in the annular groove.

Specifically, as shown in fig. 8, the second limiting seat 3 includes a second base 31 and four second limiting blocks 32, the four second limiting blocks 32 are circumferentially arranged on the second base 31, a plurality of second protruding blocks 33 are arranged on the second base 31, and the plurality of second protruding blocks 33 are located inside the four second limiting blocks 32; meanwhile, a plurality of clamping holes are formed in the bottom end surface of the case, the second protruding blocks 33 can be clamped into the clamping holes so as to limit the case in the four second limiting blocks 32, and limiting protrusions on the case are arranged upwards along the second direction, so that the circuit board clamped by the two first clamping claws 122 and the two second clamping claws 132 from the first limiting seat 2 can be accurately installed in an annular groove in the case, and position deviation between the circuit board and the annular groove can not occur.

Further, as shown in fig. 7, two opposite sides of the cover plate 11 are respectively provided with a mounting slot 117, and the chassis is provided with a first bump, wherein the first bump can be clamped in the mounting slot 117, so that the cover plate 11 is accurately arranged on the chassis, thereby being beneficial to accurate mounting of the circuit board; and, make the spacer pin 114 that passes the second mounting hole on the apron 11 insert in the third mounting hole in quick-witted incasement, and insert uide screw in proper order in uide bushing 116, circuit board and the quick-witted incasement on the apron 11, and then can make apron 11 comparatively stably set up on the quick-witted case.

The specific working procedure of the circuit board mounting device in this embodiment is as follows:

before the circuit board is mounted:

firstly, the circuit board is horizontally placed on four first limiting blocks 22 on the first base 21, meanwhile, limiting columns 221 on the first limiting blocks 22 are inserted into first mounting holes of the circuit board, the whole circuit board is limited on the inner sides of all limiting convex blocks 223 on the first limiting blocks 22, L-shaped notches on the circuit board are arranged towards the lower left along the second direction, and nameplates on the first base 21 are arranged towards the upper right along the second direction, so that the circuit board can be accurately placed on the first limiting base 2.

Simultaneously, each second lug 33 on the second base 31 is clamped into each clamping hole on the bottom end face of the case, the case is limited in the four second limiting blocks 32, and the limiting protrusions on the case are arranged upwards along the second direction, so that the case can be accurately placed on the second limiting seat 3.

When the circuit board is installed:

firstly, the whole main treatment tool 1 is moved to the upper part of the first limiting seat 2, and then the limiting pin 114 on the cover plate 11 sequentially passes through the second mounting hole on the circuit board and the limiting hole 222 on the first limiting block 22, and meanwhile, the limiting convex block 223 on the first limiting block 22 can be clamped in the avoiding clamping groove 115 on the cover plate 11, so that the main treatment tool 1 can be accurately placed on the first limiting seat 2; in the whole process of installing the circuit board, the whole main tool 1 does not rotate, and the main tool 1 always works in the position and posture shown in fig. 1, i.e. the main tool 1, the first limiting seat 2 and the second limiting seat 3 are all located in the coordinate system shown in fig. 1 and formed by arrow a and arrow B.

Then, the clamp body 141 of the quick clamp 14 is pressed down to make the quick clamp 14 in a pressing state, at this time, the clamp body 141 and the matching block 142 of the quick clamp 14 can be fastened to each other to close together, so that the two guide blocks 121 can be driven to close together along the first direction, the two guide blocks 121 can respectively drive the two first clamping jaws 122 to close together, so that the first pressing ends 1222 of the two first clamping jaws 122 move to two sides of the pressing circuit board along the first direction, and at this time, the first elastic piece 123 is compressed.

Meanwhile, the guide block 121 can drive the fixing base 131 to move along the second direction through the ball bearing 191, so that the two second clamping jaws 132 are close to each other along the second direction, and the second pressing ends 1322 of the two second clamping jaws 132 move to two sides of the pressing circuit board along the second direction, and at the moment, the second elastic piece 133 is compressed; thereby realizing that the two first clamping jaws 122 and the two second clamping jaws 132 clamp the circuit board at the same time and can press the circuit board towards the center of the circuit board, and the circuit board can slightly deform under the clamping and pressing actions of the first clamping jaws 122 and the second clamping jaws 132 at the moment, namely the size of the circuit board can slightly become smaller; then the whole main tool 1 is moved to the upper part of the case from the first limiting seat 2, at this time, the main tool 1 is clamped with a circuit board, and the circuit board is positioned at the bottom end surface of the cover plate 11.

Then, the first protruding block on the case is clamped in the mounting clamping groove 117 on the cover plate 11, so that the cover plate 11 is accurately arranged on the case, and accurate mounting of the circuit board is facilitated; in addition, the limiting pin 114 penetrating through the second mounting hole on the cover plate 11 is inserted into the third mounting hole in the case, and the guide screw is sequentially inserted into the guide sleeve 116, the circuit board and the case on the cover plate 11, so that the cover plate 11 can be stably arranged on the case; meanwhile, the circuit board on the main tool 1 is positioned in the annular groove in the case.

Finally, the clamp body 141 of the quick clamp 14 is pushed up to eliminate the fastening force between the clamp body 141 and the mating block 142, that is, the two guide blocks 121 have no mutual tensioning force, that is, the acting force of the guide blocks 121 on the fixing base 131 is eliminated at the same time, the first elastic member 123 can drive the guide blocks 121 to move away from the support block 15 along the first direction, that is, the two guide blocks 121 are away from each other, so that the first pressing end 1222 of the first clamping jaw 122 is separated from the circuit board; meanwhile, the second elastic piece 133 can drive the fixing base 131 to move away from the supporting block 15 along the second direction, namely, the two fixing bases 131 are away from each other, so that the second pressing end 1322 of the second clamping jaw 132 is separated from the circuit board, and at the moment, the circuit board is not subjected to the pressing force of the first clamping jaw 122 and the second clamping jaw 132, so that the circuit board can restore to the original size, the circuit board can be directly abutted to the inner wall of the annular groove, and the circuit board is automatically installed in the annular groove in the case in an interference mode; and then the main therapeutic tool 1 is taken out from the case.

The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.

Claims (10)

1. Circuit board mounting apparatus for interference mounting a circuit board into an annular groove inside a chassis, the circuit board mounting apparatus comprising a main treatment tool (1), characterized in that the main treatment tool (1) comprises:

a cover plate (11);

four clamping assemblies (10) which are connected with each other, wherein two clamping assemblies (10) are arranged on the cover plate (11) at intervals along a first direction, the other two clamping assemblies (10) are arranged on the cover plate (11) at intervals along a second direction, the four clamping assemblies (10) can be mutually close to simultaneously and respectively abut against four sides of the circuit board, and the sides of the circuit board can be inwards extruded towards the center of the circuit board, and the first direction is perpendicular to the second direction;

the quick clamp (14) is connected with the two parallel clamping assemblies (10), and the quick clamp (14) is used for providing tensioning force for the clamping assemblies (10) so as to drive the four clamping assemblies (10) to be close to each other or release the tensioning force for the clamping assemblies (10).

2. Circuit board mounting device according to claim 1, characterized in that the centre of four clamping assemblies (10) is provided with a support block (15), which support block (15) is fixedly arranged on the cover plate (11); the four clamping assemblies (10) comprise two first clamping assemblies (12) which are oppositely arranged, the two first clamping assemblies (12) can respectively clamp two sides of the circuit board along the first direction, and the first clamping assemblies (12) comprise:

the guide blocks (121) are arranged on the cover plate (11) in a sliding manner along the first direction, and two ends of the quick clamp (14) are respectively and fixedly arranged on the guide blocks (121) in the two first clamping assemblies (12);

a first clamping jaw (122), wherein a first supporting end (1221) of the first clamping jaw (122) is arranged on the guide block (121), a first pressing end (1222) of the first clamping jaw (122) penetrates through the cover plate (11) and extends downwards, and the first pressing end (1222) can move in the cover plate (11) along the first direction;

the first elastic piece (123), the one end fixed connection of first elastic piece (123) is to supporting shoe (15), the other end fixed connection of first elastic piece (123) is to be provided with on guide block (121) the one end of first clamping jaw (122).

3. The circuit board mounting apparatus according to claim 2, wherein the first support end (1221) is adjustable in a setting position on the guide block (121), a rectangular hole extending in the first direction is provided in the guide block (121), an adjusting projection is provided on a bottom end surface of the first support end (1221), an adjusting screw (125) is provided on the guide block (121), an end portion of the adjusting screw (125) passes through the guide block (121) and abuts against the adjusting projection, and rotating the adjusting screw (125) can drive the adjusting projection to move in the rectangular hole.

4. The circuit board mounting apparatus of claim 2, wherein the quick clamp (14) comprises:

the clamp comprises a matching block (142) and a clamp body (141), wherein the matching block (142) and the clamp body (141) are respectively and fixedly arranged on two guide blocks (121), the matching block (142) is connected with the clamp body (141), and the matching block (142) and the clamp body (141) can be mutually tensioned or loosened.

5. Circuit board mounting device according to claim 2, wherein four of said clamping assemblies (10) further comprise two oppositely arranged second clamping assemblies (13), two of said second clamping assemblies (13) being capable of clamping two other sides of said circuit board in said second direction, respectively, said second clamping assemblies (13) comprising:

The fixed base (131) is arranged on the cover plate (11), the fixed base (131) is movably connected with the guide blocks (121), the guide blocks (121) can drive the fixed base (131) to slide on the cover plate (11) along the second direction, and the two guide blocks (121) and the two fixed bases (131) are enclosed on the periphery of the supporting block (15);

the second supporting end (1321) of the second clamping jaw (132) is arranged on the fixed seat (131), the second pressing end (1322) of the second clamping jaw (132) penetrates through the cover plate (11) and extends downwards, the arrangement position of the second supporting end (1321) on the fixed seat (131) is adjustable, and the second pressing end (1322) can move in the cover plate (11) along the second direction;

the second elastic piece (133), one end of second elastic piece (133) fixedly connected to supporting shoe (15), the other end of second elastic piece (133) fixedly connected to be provided with on fixing base (131) do not second clamping jaw (132) one end.

6. The circuit board mounting apparatus of claim 5, wherein both of said first clamping jaws (122) have one of said first abutment ends (1222), one of said second clamping jaws (132) of said two second clamping jaws (132) having two of said second abutment ends (1322), and the other of said second clamping jaws (132) having one of said second abutment ends (1322).

7. The circuit board mounting apparatus according to any one of claims 2 to 6, wherein the main treating tool (1) further includes a first limiting member (16), the first limiting member (16) being for limiting a moving distance of the guide block (121) in the first direction near the support block (15), the first limiting member (16) including:

a first limit screw (161) extending in the first direction;

the first ejector block (162) is fixedly arranged on the cover plate (11), a circular ring (163) is convexly arranged on the first ejector block (162), the end part of the first limit screw (161) penetrates through the circular ring (163) and is connected to the guide block (121), the first limit screw (161) can move in the circular ring (163) along the first direction, and the inner diameter of the circular ring (163) is smaller than the outer diameter of the head part of the first limit screw (161).

8. The circuit board mounting apparatus according to claim 7, wherein the main treating tool (1) further includes a second limiting member (17), the second limiting member (17) for limiting a moving distance of the guide block (121) away from the support block (15) in the first direction, the second limiting member (17) comprising:

a second limit screw (171) extending in the first direction, the second limit screw (171) being provided on the guide block (121) opposite to the first limit screw (161);

The second ejector block (172) is fixedly arranged on the cover plate (11), an abutting protrusion (173) is arranged on the second ejector block (172), the second limit screw (171) is located between the guide block (121) and the abutting protrusion (173), and the second limit screw (171) can be abutted to the abutting protrusion (173).

9. The circuit board mounting apparatus according to any one of claims 1 to 6, wherein the bottom end surface of the cover plate (11) is provided with a stopper pin (114) and an avoidance card groove (115), respectively, the circuit board is provided with a first mounting hole and a second mounting hole, the circuit board mounting apparatus further comprising:

first spacing seat (2) for place before the interference installation the circuit board, first spacing seat (2) include first base (21) and four first stopper (22), four first stopper (22) week are established on first base (21), every the top end face of first stopper (22) all is provided with spacing hole (222) and spacing lug (223), one of them the top end face of first stopper (22) still is provided with spacing post (221), spacing post (221) can insert to in the first mounting hole, locating pin (114) can pass in proper order the second mounting hole with spacing hole (222), just spacing lug (223) can the joint to dodge in draw-in groove (115).

10. The circuit board mounting apparatus according to any one of claims 1 to 6, wherein mounting card slots (117) are provided on two opposite sides of the cover plate (11), and first bumps are provided on the chassis, the first bumps being capable of being snapped into the mounting card slots (117), the circuit board mounting apparatus further comprising:

the second limiting seat (3) is used for placing the case, the second limiting seat (3) comprises a second base (31) and four second limiting blocks (32), the four second limiting blocks (32) are circumferentially arranged on the second base (31), a plurality of second protruding blocks (33) are arranged on the second base (31), the second protruding blocks (33) are located in the four second limiting blocks (32), a plurality of clamping holes are formed in the bottom end face of the case, and the second protruding blocks (33) can be clamped into the clamping holes.

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