CN219322689U - PCB board furnace carrier - Google Patents

Abstract

The utility model discloses a PCB board furnace carrier, comprising: the PCB comprises a substrate, wherein a tray group is detachably arranged on the substrate and used for bearing the PCB, the tray group consists of a plurality of tray plates, an upper cover for preventing the PCB from falling off from the tray group is arranged on the tray group, a limiting assembly for fixing the position of the tray plate is arranged on the substrate, and an absorbing part for preventing the upper cover from falling off from the PCB is arranged on the upper cover; by the mode, when the mounting groove for bearing the PCB is damaged, the whole carrier is prevented from being replaced, so that the production cost is reduced.

Description

PCB board furnace carrier

Technical Field

The utility model relates to the field of PCB carriers, in particular to a PCB furnace carrier.

Background

SMT is a surface mounting technology (surface assembling technology) (Surface Mount Technology abbreviation), which is an electronic mounting technology for directly mounting and welding surface assembly elements (including resistors, capacitors, inductors and the like) on the surface of a circuit board by using special automatic assembly equipment such as a solder paste printer, a chip mounter, reflow soldering and the like, and the volume of a traditional electronic component is compressed to only a few tenths of that of the original electronic component, so that high-density, high-reliability, miniaturized, low-cost and automatic production of electronic product assembly is realized.

Because the manufacturing cost of the electronic PCBA is high, the electronic PCBA is usually designed to be of a board-edge-free structure in the production process so as to save the cost, however, the positioning of the PCB is difficult when the PCB of the board-edge-free structure is subjected to SMT (surface mount technology) chip passing through a furnace. In order to solve the problem, a chip mounting and furnace passing carrier is generally adopted to carry a PCB board for chip mounting and furnace passing, the PCB board is placed on a placement position arranged on the carrier, and then one corner or one side of the placement position is attached by using a positioning pin and an adhesive tape;

currently, chinese patent CN207927046U discloses an SMT chip mounting and passing carrier comprising a rectangular substrate; rectangular mounting grooves are uniformly and horizontally formed in the upper end face of the substrate; the mounting groove is uniformly provided with heat dissipation holes; a positioning hole is arranged below the heat dissipation hole and in the mounting groove; the upper end surface of the base plate is symmetrically and vertically provided with connecting grooves; the groove depth of the connecting groove is larger than that of the mounting groove; rectangular carving wire grooves are uniformly and vertically formed in the upper end face of the substrate;

however, the mounting groove of the furnace carrier is of an integral structure, when the mounting groove is damaged, the problem of poor printing can be caused, and the mounting groove is difficult to maintain in the later period, so that only a new carrier can be replaced, and the production cost is increased.

Disclosure of Invention

The utility model mainly solves the technical problem of providing the PCB board furnace-passing carrier, which can avoid replacing the whole carrier when the mounting groove for bearing the PCB board is damaged, thereby reducing the production cost.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a PCB board furnace carrier that crosses, include: the PCB comprises a substrate, wherein a tray group is detachably arranged on the substrate and used for bearing the PCB, the tray group consists of a plurality of tray plates, an upper cover for preventing the PCB from falling off from the tray group is arranged on the tray group, a limiting component for fixing the position of the tray plate is arranged on the substrate, and an absorbing part for preventing the upper cover from falling off from the PCB is arranged on the upper cover.

Preferably, the tray plates are provided with plate grooves, and the plate grooves form mounting grooves matched with the PCB.

Preferably, the base plate is provided with a supporting rib for supporting the tray plates, and the supporting rib is arranged at the joint of the adjacent tray plates.

Preferably, set up on the base plate with spacing subassembly matched with assembly groove, spacing subassembly includes spacing slide, spacing apron and elastic component, and spacing slide and assembly groove slip cooperation, the elastic component setting is between assembly groove and spacing slide and forces spacing slide towards the tray board removal, and spacing apron lid is established on spacing slide, prevents that spacing slide from breaking away from in the assembly groove.

Preferably, the limiting slide plate comprises a sliding plate and a clamping plate, wherein the sliding plate is provided with a limiting hole matched with the elastic piece, and the assembly groove is provided with an opening matched with the clamping plate.

Preferably, the base plate is provided with a first positioning column, and the tray plate is provided with a first positioning hole matched with the first positioning column.

Preferably, the upper cover is provided with a second positioning column, and the tray plate is provided with a second positioning hole matched with the second positioning column.

Preferably, the upper cover is provided with a plurality of pressing bulges for pressing the position of the PCB.

Preferably, the absorbing member is a magnet.

The beneficial effects of the utility model are as follows:

1. the tray set is detachable from the base plate and is formed by connecting a plurality of tray plates, so that when one tray plate is damaged, only the corresponding tray plate needs to be replaced, the problem of replacing the whole carrier is avoided, the production cost is reduced, and the production efficiency is also improved;

2. thereby fix the tray board on the base plate through spacing subassembly to form firm stable tray group, and then guaranteed the stability when bearing the PCB board, make the upper cover stable push down the PCB board and stable be connected with the tray group through the adsorption equipment.

Drawings

FIG. 1 is a schematic view of the overall structure of a PCB board passing carrier during assembly;

FIG. 2 is an exploded view of a PCB board through-the-oven carrier of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an exploded view of a limit assembly of a PCB board through-the-oven carrier of the present utility model;

fig. 5 is an enlarged schematic view of the portion B in fig. 2.

The components in the drawings are marked as follows:

1. a substrate; 2. a tray set; 21. a tray plate; 3. a mounting groove; 4. a placement groove; 5. a first positioning column; 6. a limit component; 61. a limit sliding plate; 611. a slip plate; 6111. a limiting hole; 612. a locking plate; 62. a limit cover plate; 63. an elastic member; 71. a first sub-tank; 72. a second sub-tank; 73. an opening; 9. pressing the bulge; 10. an absorbing member; 11. a support rib; 12. an upper cover; 13. and a PCB board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1 and 2, a furnace carrier is crossed to PCB 13, including base plate 1, separable is provided with tray group 2 on the base plate 1, and tray group 2 is used for bearing PCB 13, and tray group 2 comprises a plurality of tray boards 21, can constitute complete tray group 2 by three tray boards 21, of course, also can constitute complete tray group 2 by two or more tray boards 21, all seted up the board groove on a plurality of tray boards 21, and a plurality of board grooves constitute with PCB 13 matched with mounting groove 3 to conveniently place PCB 13 in mounting groove 3.

Referring to fig. 2 and 3, the placement groove 4 matched with the tray set 2 is formed in the substrate 1, so that the tray set 2 is just placed in the placement groove 4 of the substrate 1, a plurality of first positioning columns 5 are fixedly connected to the placement groove 4, a plurality of first positioning holes matched with the first positioning columns 5 are formed in the lower side surfaces of the plurality of tray plates 21, and accordingly the tray plates 21 are prevented from shaking on the substrate 1, and stability of the position of the PCB 13 is improved.

Referring to fig. 2 to 4, a limiting assembly 6 for fixing the position of the tray plate 21 is arranged on the base plate 1, the limiting assembly 6 comprises a limiting sliding plate 61, a limiting cover plate 62 and an elastic piece 63, an assembling groove matched with the limiting assembly 6 is formed on the base plate 1, the assembling groove is in a trapezoid shape, a first auxiliary groove 71 matched with the limiting sliding plate 61 and the elastic piece 63 and a second auxiliary groove 72 matched with the limiting cover plate 62 are formed, and an opening 73 matched with the limiting sliding plate 61 is formed on one side, close to the tray plate 21, of the first auxiliary groove 71 and the second auxiliary groove 72;

the limiting slide plate 61 comprises a sliding plate 611 and a clamping plate 612, the sliding plate 611 is provided with a limiting hole 6111 matched with the elastic piece 63, so that one end of the elastic piece 63 is propped against the end face of the limiting hole 6111, the other end of the elastic piece 63 is propped against the end face of the first auxiliary groove 71, the sliding plate 611 is further acted by force, the sliding plate 611 moves towards the tray plate 21, the clamping plate 612 passes through the opening 73 and moves towards the tray plate 21, the lower end face of the clamping plate 612 is matched with the upper end face of the tray plate 21, the tray plate 21 is pressed at the position on the base plate 1 through the clamping plate 612, the position of the tray set 2 in the placing groove 4 is further stable, and the elastic piece 63 can be a spring;

the limit cover plate 62 is mounted on the second auxiliary groove 72 through screws, and the lower end surface of the limit cover plate 62 is attached to the upper end surface of the sliding plate 611, so that the limit slide plate 61 is prevented from falling off from the first auxiliary groove 71, and in addition, the effect of stabilizing the sliding plate 611 during displacement is achieved;

the stopper assembly 6 is provided in plurality so as to better fix the position of each tray panel 21 on the base plate 1.

Referring to fig. 1, 2 and 5, an upper cover 12 for preventing a PCB 13 from falling off from the tray set 2 is arranged on the tray set 2, a plurality of second positioning holes are formed in the upper side surface of the tray plate 21, a plurality of second positioning columns matched with the second positioning holes are arranged on the lower side surface of the upper cover 12, so that the accuracy of the position between the upper cover 12 and the tray set 2 is ensured, the upper cover 12 better presses the PCB 13 placed on the tray set 2, the second positioning holes have the same structure as the first positioning holes, and the second positioning columns have the same structure as the first positioning 5;

the upper cover 12 is hollow, so that the processing of the PCB 13 is not affected, and a plurality of pressing protrusions 9 for pressing the edge of the PCB 13 extend on the inner side of the upper cover 12, so that the upper cover 12 plays a role in pressing the PCB 13.

In order to prevent the upper cover 12 from being separated from the tray set 2, the adsorbing member 10 is fixed to the upper cover 12, and the adsorbing member 10 may be a magnet, so that the upper cover 12 is adsorbed to the tray set 2 by the adsorbing member 10.

In order to further fix the position of the tray set 2 on the substrate 1, the suction members 10 are also provided on the plurality of tray plates 21, thereby sucking the tray plates 21 on the substrate 1, and further fixing the position of the tray set 2 on the substrate 1.

Referring to fig. 1 and 2, in order to further reduce the weight of the entire carrier, a central portion of the base plate 1 is hollow, and in order to better support the tray plate 21, support ribs 11 for supporting the tray plate 21 are integrally formed on the base plate 1, and the support ribs 11 are disposed at the connection portions of adjacent tray plates 21, thereby better supporting the position of the tray plate 21 on the base plate 1;

in order to further reduce the weight of the entire carrier, a plurality of through holes are formed in each of the base plate 1, the tray plate 21 and the upper cover 12.

The operation process comprises the following steps: an operator sequentially places a plurality of tray boards 21 on the base plate 1, simultaneously presses the clamping plate 612 of the lower slide plate by using a tool or by bare hands, so that the clamping plate 612 is retracted into the first auxiliary groove 71, the placement of the tray boards 21 is prevented from being influenced, after the tray boards 21 are placed in place, the clamping plate 612 is reset under the action of the elastic piece 63, so that the position of the tray boards 21 is pressed, then the PCB 13 to be processed is accurately placed on the tray set 2, and then the upper cover 12 is accurately placed on the tray set 2 and presses the PCB 13, so that the assembly is completed;

when a certain tray plate 21 is damaged, only the tray plate 21 needs to be replaced, so that the whole tray set 2 is avoided to be replaced or the whole carrier is avoided to be replaced.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (9)

1. A PCB board furnace carrier, comprising: base plate (1), separable be provided with tray group (2) on base plate (1), tray group (2) are used for bearing PCB board (13), tray group (2) are constituteed by a plurality of tray boards (21), be provided with upper cover (12) that prevent that PCB board (13) from falling off from tray group (2) on tray group (2), be provided with spacing subassembly (6) that are used for fixed tray board (21) position on base plate (1), be provided with on upper cover (12) and prevent upper cover (12) and PCB board (13) the absorbing member (10) that break away from.

2. The PCB board furnace carrier of claim 1, wherein: a plurality of tray plates (21) are provided with plate grooves, and the plurality of plate grooves form mounting grooves (3) matched with the PCB (13).

3. A PCB (13) furnace carrier according to claim 2, characterized in that: the base plate (1) is provided with supporting ribs (11) for supporting the tray plates (21), and the supporting ribs (11) are arranged at the connecting positions of the adjacent tray plates (21).

4. The PCB board furnace carrier of claim 2, wherein: set up on base plate (1) with spacing subassembly (6) matched with assembly groove, spacing subassembly (6) are including spacing slide (61), spacing apron (62) and elastic component (63), spacing slide (61) and assembly groove cooperation that slides, elastic component (63) set up between assembly groove and spacing slide (61) and force spacing slide (61) to remove towards tray board (21), spacing apron (62) lid is established on spacing slide (61), prevents that spacing slide (61) from breaking away from in the assembly groove.

5. The PCB board furnace carrier of claim 4, wherein: the limiting slide plate (61) comprises a sliding plate (611) and a clamping plate (612), wherein the sliding plate (611) is provided with a limiting hole (6111) matched with the elastic piece (63), and the assembly groove is provided with an opening (73) matched with the clamping plate (612).

6. The PCB board furnace carrier of claim 1, wherein: the base plate (1) is provided with a first positioning column (5), and the tray plate (21) is provided with a first positioning hole matched with the first positioning column (5).

7. The PCB board furnace carrier of claim 1, wherein: the upper cover (12) is provided with a second positioning column, and the tray plate (21) is provided with a second positioning hole matched with the second positioning column.

8. The PCB board furnace carrier of claim 1, wherein: the upper cover (12) is provided with a plurality of pressing bulges (9) for pressing the position of the PCB (13).

9. The PCB board furnace carrier of claim 1, wherein: the absorbing member (10) is a magnet.

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