CN211831376U

CN211831376U - PCBA crosses stove tool

Info

Publication number: CN211831376U
Application number: CN202020633556.5U
Authority: CN
Inventors: 邬志龙
Original assignee: Shenzhen Baihui Surface Mount Technology Co ltd
Current assignee: Shenzhen Baihui Surface Mount Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-10-30
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a PCBA crosses stove tool, which comprises a substrate, the inner chamber of base plate is provided with two symmetrical fixture, the counter bore has been seted up to the axis department of base plate bottom, the top of counter bore inner chamber is rotated and is connected with the bolt. The utility model discloses place the PCBA board between two splint, inclined plane effort through wedge two and wedge one, compress spring one, two splint relative movement of elastic restoring force drive through spring one, a spring elastic restoring force, the impact force of two splint to the PCBA board has been reduced, avoid PCBA at the in-process bending deformation of extrusion, thereby and then accomplish the centre gripping operation, this PCBA crosses stove tool, it is wide with the centre gripping PCBA board stability to possess application scope, non-deformable's advantage, adopt simple structure, reduce use cost promptly and improved this PCBA and crossed the flexibility of stove tool again, time saving and labor saving, fixed effectual, and the work efficiency is improved, play the guard action to the PCBA board simultaneously, avoid PCBA board bending deformation.

Description

PCBA crosses stove tool

Technical Field

The utility model relates to a PCBA technical field specifically is a PCBA crosses stove tool.

Background

The PCBA is a PCB blank board which is loaded by SMT and then is subjected to the whole process of DIP plug-in, is called PCBA for short, and a printed circuit board, usually uses English abbreviation PCBs, is an important electronic component, is a support body of an electronic component, is a provider of circuit connection of the electronic component, is called a printed circuit board because the PCBA is manufactured by adopting an electronic printing technology, and the interconnection among the electronic components is directly connected by virtue of electric wires to form a complete circuit before the printed circuit board appears.

Cross stove tool is the industry tool that is used for supporting softness circuit board and thin shape base plate etc, its main objective is the remake of certain part of repeatability and accuracy repetition, present cross stove tool is standardized for satisfying the production line width, generally only can carry out the centre gripping to the PCBA board of unified specification, application range is lower, because the kind of PCBA board is more, and then lead to when processing the PCBA board of different sizes, need change the smelting utensil of corresponding specification, use cost has been improved, and conventional stove tool of crossing is generally through sharp module drive, at the in-process of centre gripping, the PCBA board bending deformation of low probability can appear, thereby the qualification rate of PCBA board processing has been reduced, further improvement industrial cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCBA crosses stove tool possesses wide and stable, non-deformable's advantage of centre gripping PCBA board of application scope, has solved the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCBA crosses stove tool, includes the base plate, the inner chamber of base plate is provided with two symmetrical fixture, the counter bore has been seted up to the axis department of base plate bottom, the top of counter bore inner chamber is rotated and is connected with the bolt, the bottom of base plate is provided with the diaphragm, the screw that supplies the bolt to pass is seted up at the top of diaphragm, the equal fixedly connected with connecting rod in both sides at diaphragm top, the top of connecting rod runs through to the inner chamber and the fixedly connected with wedge two of base plate, the both sides of base plate inner chamber all are provided with stop gear, the top and the bottom of base plate inner chamber all are provided with canceling release mechanical system, canceling release mechanical system's quantity.

Preferably, fixture includes the splint that are located the base plate inner chamber, the outer wall of splint is provided with wedge one, wedge one uses with the cooperation of wedge two, the equal fixedly connected with fly leaf in one side that two wedges are relative, the top and the bottom of fly leaf one side all run through and are provided with the guide arm, the one end and the splint fixed connection of guide arm, the surface cover of guide arm is equipped with spring one, the both ends of spring one respectively with splint and fly leaf fixed connection.

Preferably, stop gear includes the spacing groove of seting up in base plate inner chamber both sides, the inner chamber sliding connection of spacing groove has the stopper, one side and two fixed connection of wedge that the spacing groove was kept away from to the stopper.

Preferably, canceling release mechanical system includes two fixed blocks that are fixed in base plate inner chamber top, fixedly connected with horizontal pole between two fixed blocks, the sliding surface of horizontal pole is connected with the sliding sleeve, one side and the splint fixed connection of sliding sleeve, the surface cover of horizontal pole is equipped with spring two, the both ends of spring two respectively with fixed block and sliding sleeve fixed connection.

Preferably, the inner wall of the clamping plate is fixedly connected with a protective pad.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model has the advantages of wide application range, stable and non-deformable clamping PCBA plate, simple structure, reduced use cost and improved flexibility of the PCBA furnace-passing jig by rotating the bolt clockwise, driving the two clamp plates to move back and forth through the screw hole, the transverse plate and the connecting rod, further driving the two clamp plates to move back and forth through the elastic restoring force of the spring II, further adjusting the distance between the two clamp plates, placing the PCBA plate between the two clamp plates, then reversely rotating the bolt, compressing the spring I through the inclined plane acting force of the wedge II and the wedge I, driving the two clamp plates to move relatively through the elastic restoring force of the spring I, reducing the impact force of the two clamp plates on the PCBA plate through the elastic restoring force of the spring I, avoiding the PCBA to bend and deform in the extrusion process, and further completing the clamping operation, labour saving and time saving, it is fixed effectual, improved work efficiency, play the guard action to the PCBA board simultaneously, avoid PCBA board bending deformation.

2. The utility model discloses a fixture's setting can cushion the centre gripping to the PCBA board, and the later stage precision finishing of being convenient for can carry on spacingly to two wedges through stop gear's setting for two stable reciprocating of wedge, through the setting of canceling release mechanical system, can carry out spacing and reset action to splint, can ensure that splint carry out the centre gripping to the PCBA board, through the setting of protection pad, can play the guard action to the PCBA board, reduce the impact force of splint and PCBA board.

Drawings

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

FIG. 2 is a sectional view of the front view structure of the present invention;

fig. 3 is an enlarged view of point a in the structure diagram 1 of the present invention.

In the figure: 1. a substrate; 2. a clamping mechanism; 21. a splint; 22. a first wedge block; 23. a movable plate; 24. a guide bar; 25. a first spring; 3. a counter bore; 4. a bolt; 5. a transverse plate; 6. a screw hole; 7. a connecting rod; 8. a second wedge block; 9. a limiting mechanism; 91. a limiting groove; 92. a limiting block; 10. a reset mechanism; 101. a fixed block; 102. a cross bar; 103. a sliding sleeve; 104. a second spring; 11. a protective pad.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a PCBA furnace-passing jig comprises a base plate 1, two symmetrical clamping mechanisms 2 are arranged in an inner cavity of the base plate 1, a protective pad 11 is fixedly connected to the inner wall of a clamping plate 21, the PCBA plate can be protected through the arrangement of the protective pad 11, the impact force between the clamping plate 21 and the PCBA plate is reduced, a counter bore 3 is formed in a middle shaft at the bottom of the base plate 1, a bolt 4 is rotatably connected to the top of the inner cavity of the counter bore 3, a transverse plate 5 is arranged at the bottom of the base plate 1, a screw hole 6 for the bolt 4 to pass through is formed in the top of the transverse plate 5, connecting rods 7 are fixedly connected to two sides of the top of the transverse plate 5, the top ends of the connecting rods 7 penetrate through the inner cavity of the base plate 1 and are fixedly connected with wedge blocks II 8, the clamping mechanisms 2 comprise clamping plates 21 located in the inner cavity of the base plate 1, a wedge block I22 is arranged on the, the top and the bottom of one side of the movable plate 23 are both provided with a guide rod 24 in a penetrating way, one end of the guide rod 24 is fixedly connected with the clamp plate 21, the surface of the guide rod 24 is sleeved with a first spring 25, two ends of the first spring 25 are respectively fixedly connected with the clamp plate 21 and the movable plate 23, the PCBA can be buffered and clamped through the arrangement of the clamping mechanism 2, the later precision machining is convenient, two sides of the inner cavity of the substrate 1 are both provided with a limiting mechanism 9, the limiting mechanism 9 comprises a limiting groove 91 arranged at two sides of the inner cavity of the substrate 1, the inner cavity of the limiting groove 91 is connected with a limiting block 92 in a sliding way, one side of the limiting block 92 far away from the limiting groove 91 is fixedly connected with a second wedge block 8, the second wedge block 8 can be limited through the arrangement of the limiting mechanism 9, so that the second wedge block 8 can stably move up and, canceling release mechanical system 10 includes two fixed blocks 101 that are fixed in 1 inner chamber top of base plate, fixedly connected with horizontal pole 102 between two fixed blocks 101, the sliding surface connection of horizontal pole 102 has sliding sleeve 103, one side and the splint 21 fixed connection of sliding sleeve 103, the surface cover of horizontal pole 102 is equipped with two 104 springs, the both ends of two 104 springs respectively with fixed block 101 and sliding sleeve 103 fixed connection, setting through canceling release mechanical system 10, can carry out spacing and reset action to splint 21, can ensure that splint 21 carries out the centre gripping to the PCBA board.

The working principle is as follows: the utility model discloses during the use, at first the user is through clockwise rotation bolt 4, bolt 4 drives diaphragm 5 and moves down, diaphragm 5 drives connecting rod 7 and moves, connecting rod 7 drives two 8 removals of wedge until two 8 keep away from wedge 22, through the setting of stop gear 9, can carry out spacing to two 8 wedges, two 8 wedges drive stopper 92 and slide in the inner chamber of spacing groove 91, make two 8 wedges reciprocate steadily, spring two 104 resumes the original state at this moment, spring two 104 drives sliding sleeve 103 and moves to two 8 wedges on the surface of horizontal pole 102, sliding sleeve 103 drives splint 21 and moves, and then make two splint 21 move mutually oppositely, place the PCBA board between two splint 21 at this moment;

then the bolt 4 is rotated reversely, finally the wedge block II 8 moves upwards, the wedge block II 8 extrudes the wedge block I22, the wedge block I22 drives the movable plate 23 to slide on the surface of the guide rod 24 and extrude the spring I25, the spring I25 further extrudes the clamping plate 21, so that the two clamping plates 21 are driven to move oppositely, the clamping plate 21 drives the protective pad 11 to move until the inner wall of the protective pad 11 is contacted with the PCBA plate, at the moment, the spring I25 plays a role in buffering, the condition that the PCBA plate is bent and deformed by excessive clamping force when the PCBA plate is directly contacted is avoided, and the bolt 4 is further rotated slowly to stably clamp the PCBA plate, so that the purposes of wide application range, stable clamping of the PCBA plate and difficult deformation are achieved;

further setting through protection pad 11 can play the guard action to the PCBA board, has reduced the impact force of splint 21 with the PCBA board, avoids the PCBA board to cause the damage.

In summary, the following steps: the PCBA furnace-passing jig has the advantages of wide application range, stability in clamping of PCBA plates and non-deformation resistance, adopts a simple structure, reduces use cost and improves flexibility of the PCBA furnace-passing jig, labour saving and time saving, it is fixed effectual, work efficiency is improved, play the guard action to the PCBA board simultaneously, avoid PCBA board bending deformation, it is standardized for satisfying the production line width to have solved current stove tool of crossing, generally only can carry out the centre gripping to the PCBA board of unified specification, application range is lower, because the kind of PCBA board is more, and then lead to when processing the PCBA board of different sizes, need to change the smelting tool of corresponding specification, use cost is improved, and conventional stove tool of crossing is generally through sharp module drive, at the in-process of centre gripping, the PCBA board bending deformation of low probability can appear, thereby the qualification rate of PCBA board processing has been reduced, further the problem of industrial cost has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCBA crosses stove tool, includes base plate (1), its characterized in that: the inner chamber of base plate (1) is provided with two symmetrical fixture (2), counter bore (3) have been seted up to the axis department of base plate (1) bottom, the top of counter bore (3) inner chamber is rotated and is connected with bolt (4), the bottom of base plate (1) is provided with diaphragm (5), screw (6) that supply bolt (4) to pass are seted up at the top of diaphragm (5), the equal fixedly connected with connecting rod (7) in both sides at diaphragm (5) top, the top of connecting rod (7) is run through to the inner chamber and the fixedly connected with wedge two (8) of base plate (1), the both sides of base plate (1) inner chamber all are provided with stop gear (9), the top and the bottom of base plate (1) inner chamber all are provided with canceling release mechanical system (10), the quantity of canceling release mechanical system (10) is four.

2. The PCBA furnace jig of claim 1, wherein: fixture (2) include splint (21) that are located base plate (1) inner chamber, the outer wall of splint (21) is provided with wedge (22), wedge (22) and two (8) cooperations of wedge use, the equal fixedly connected with fly leaf (23) in one side that two wedges are relative, the top and the bottom of fly leaf (23) one side all run through and are provided with guide arm (24), the one end and splint (21) fixed connection of guide arm (24), the surface cover of guide arm (24) is equipped with spring (25), the both ends of spring (25) respectively with splint (21) and fly leaf (23) fixed connection.

3. The PCBA furnace jig of claim 1, wherein: stop gear (9) include spacing groove (91) of seting up in base plate (1) inner chamber both sides, the inner chamber sliding connection of spacing groove (91) has stopper (92), one side and two (8) fixed connection of wedge that spacing groove (91) were kept away from in stopper (92).

4. The PCBA furnace jig of claim 2, wherein: reset mechanism (10) include two fixed blocks (101) that are fixed in base plate (1) inner chamber top, fixedly connected with horizontal pole (102) between two fixed blocks (101), the sliding surface connection of horizontal pole (102) has sliding sleeve (103), one side and splint (21) fixed connection of sliding sleeve (103), the surface cover of horizontal pole (102) is equipped with spring two (104), the both ends of spring two (104) respectively with fixed block (101) and sliding sleeve (103) fixed connection.

5. The PCBA furnace jig of claim 2, wherein: the inner wall of the clamping plate (21) is fixedly connected with a protective pad (11).