Carrier for product to pass through furnace

By introducing an ejection assembly consisting of a push plate and a connecting rod into the reflow carrier, the problem of difficult circuit board removal was solved, enabling safe and convenient removal of the circuit boards and avoiding damage.

CN223745003UActive Publication Date: 2025-12-30CHENGDU CHENGXINHE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422708577.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-12-30
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing reflow carriers are difficult to use when removing the circuit board body, easily damaging the circuit board and causing inconvenience in operation.

Method used

An ejection assembly including a push plate and a connecting rod was designed. The circuit board is ejected by the cooperation of the push block and the top block. Combined with the reset function of the spring, the operation process is simplified.

Benefits of technology

This facilitates the safe removal of the circuit board, preventing damage and improving the convenience and safety of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223745003U_ABST
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Abstract

The utility model discloses a product furnace-passing carrier, which belongs to the technical field of circuit board body processing and comprises a bottom plate, a limiting groove is arranged on the surface of the bottom plate, and a circuit board body is placed in the limiting groove. The device further comprises four sets of fixing assemblies, the fixing assemblies are arranged on the periphery of the top of the machining table, each fixing assembly comprises an abutting plate, and one end of each abutting plate is in sliding fit with the bottom of the corresponding hand screw. The pressing plate and the connecting rod are used in cooperation, the structure is simple, convenience and practicability are achieved, the pushing block can be driven to move, the pushing block can push the ejecting block to move upwards, and therefore the circuit board body is ejected out of the limiting groove, an operator can conveniently take the circuit board body, and the circuit board body is prevented from being damaged; structures such as the pressing plate and the pushing block can be pushed to reset after the pressing plate loses pressure, so that the pushing block is reset, and next processing is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board body processing technical field, concretely is a kind of product furnace carrier. BACKGROUND

[0002] Furnace carrier is a kind of tool for carrying circuit board to carry out reflow soldering and other high-temperature welding process in circuit board welding process, it usually has high-temperature-resistant material, such as ceramic, high-temperature-resistant plastic etc., to ensure that no deformation or damage occurs under high-temperature environment, furnace carrier can guarantee the positional accuracy of circuit board in welding process, prevent circuit board from shifting or distortion under high temperature, so as to guarantee welding quality, also can make circuit board evenly heated, avoid local overheating to cause circuit board damage or poor welding.

[0003] Through the retrieval, prior art, Chinese patent publication number: CN218473507U discloses a kind of furnace carriers, belong to PCB processing technical field.The furnace carrier, including bottom plate and locating block, the bottom of the cover plate is provided with four locating tubes, four The bottom of the locating tube is provided with locating hole, the cover plate is detachably connected with the bottom plate by four The locating block and four The locating tube, by four The locating block being arranged in recess, four The locating tube being arranged in the bottom of the cover plate, rely on locating block and locating tube to be connected, further can be conveniently positioned and fixed PCB by cover plate, improve the efficiency of cover plate to the fixation of PCB, by four The first support rod being arranged on recess, the connecting plate being fixedly connected on four The first support rod, the fixed block being arranged in the bottom of the connecting plate, rely on four Fixed block can be fixed at four corner of PCB, reduce the possibility of PCB angle during processing, improve the effect of PCB processing.

[0004] But the device still has the following defects:

[0005] When using carrier to weld circuit board body, circuit board body needs to be placed in carrier, circuit board body itself is thin, and usually adheres to the limiting structure of carrier around, it has certain difficulty to take it out from carrier after processing, which adds trouble to the work of operator, improper operation may also damage circuit board body, and the device does not solve this problem. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of product furnace carrier, by setting push plate and connecting rod cooperation, push block can be moved, push block can push top block to move upwards, so that circuit board body is ejected from limiting groove, it is convenient for operator to take circuit board body, avoid damaging circuit board body, to solve the problems raised in the above background technique.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] The product furnace carrier comprises a bottom plate, a limiting groove is formed on the surface of the bottom plate, and a circuit board body is arranged in the limiting groove.

[0009] Further comprising four sets of fixing assemblies, the fixing assemblies are arranged around the top of the machining table, the fixing assembly comprises a pressing plate, one end of the pressing plate is in sliding fit with the bottom of a hand screw, the bottom of the hand screw is in threaded connection with a fixing seat, and the fixing seat is fixedly installed around the top of the machining table.

[0010] Further comprising an ejection assembly, the ejection assembly comprises a top block and a pushing block, the bottom of the top block is provided as an inclined surface, the inclined surface of the bottom of the top block is in sliding fit with the bottom inclined surface of the pushing block, one side of the pushing block is fixedly provided with a connecting rod, and one end of the connecting rod is fixedly provided with a pressing plate.

[0011] Preferably, the other end of the pressing plate is fixedly provided with a rubber pad at the bottom, and the rubber pad is in abutment with the surface of the circuit board body.

[0012] Preferably, the bottom of the limiting groove is provided with a mounting cavity, and the mounting cavity is formed in the bottom plate.

[0013] Preferably, the top block is in sliding fit above the mounting cavity, and the pushing block is in sliding fit below the mounting cavity.

[0014] Preferably, the connecting rod is in sliding fit with one side of the bottom plate, a spring is sleeved on the surface of the connecting rod in sliding fit, one side of the spring is in abutment with the outer wall of the bottom plate, and the other end of the spring is fixedly connected with the pressing plate.

[0015] Preferably, the two sides of the top block are fixedly provided with limiting blocks, the upper two sides of the mounting cavity are provided with sliding grooves, and the limiting blocks are in sliding fit with the sliding grooves.

[0016] Preferably, the top surface of the bottom plate is fixedly provided with two sets of rotating seats on the two sides, the rotating seat is rotatably provided with an elastic sheet at the top, and one end of the elastic sheet is in abutment with a pressing plate at the bottom.

[0017] Preferably, the two sides of the pressing plate are provided with notches, the notches are in sliding fit with limiting columns, and the limiting columns are fixedly installed on the other two sides of the top surface of the bottom plate.

[0018] Compared with the prior art, the product furnace carrier has the beneficial effects that:

[0019] The utility model discloses a push -down plate and connecting rod cooperate to use through setting, simple structure, convenient and practical, can drive push -down piece removal, push -down piece can push the top piece and move upwards to the circuit board body is ejected from the limiting groove, and the operator is convenient to the circuit board body and is taken, avoids damaging the circuit board body, and through setting spring, push -down plate and push -down piece etc. Reset structure after losing the pressure of push -down plate to make push -down piece reset, and it is convenient to carry out next processing. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is structural schematic diagram for the utility model;

[0021] Fig. 2 It is bottom plate cross section structural schematic diagram;

[0022] Fig. 3 It is fixed assembly structural schematic diagram.

[0023] In the drawing: 1, bottom plate;2, limiting groove;3, circuit board body;4, abutting plate;5, hand -screw;6, fixed seat;7, push -down plate;8, connecting rod;9, elastic sheet;10, rotating seat;11, limiting column;12, pressing plate;13, push -down piece;14, spring;15, installation cavity;16, top piece;17, sliding slot;18, limiting block;19, rubber pad. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0026] A product passes through the furnace carrier, including bottom plate 1, the surface of bottom plate 1 is set up with limiting groove 2, circuit board body 3 is placed in limiting groove 2, and the bottom side of limiting groove 2 is provided with installation cavity 15, installation cavity 15 is set up in the inside of bottom plate 1, and two groups of rotating seats 10 are fixedly installed on the top surface of bottom plate 1, the top of rotating seat 10 is rotatably installed with elastic sheet 9, and the bottom of one end of elastic sheet 9 is abutted to pressing plate 12, the both sides of pressing plate 12 are set up with notch, and notch and limiting column 11 are slidably matched, and limiting column 11 is fixedly installed on the top surface of bottom plate 1 on the other two sides.

[0027] By setting the bottom plate 1 and the limiting groove 2 in cooperation, the circuit board body 3 is prevented from displacement or distortion under high temperature, thereby ensuring the welding quality, and the circuit board body 3 can be uniformly heated to avoid local overheating to cause damage or poor welding of the circuit board body 3. During the furnace passing process, some higher elements may be raised due to thermal expansion and contraction. The pressing plate 12 can press these elements to prevent them from displacement or raising during the welding process, thereby ensuring the reliability of the welding. The limiting column 11 and the elastic sheet 9 are arranged in cooperation with the pressing plate 12 to determine the position of the pressing plate 12 and prevent the pressing plate 12 from accidental movement.

[0028] The four sets of fixing assemblies are arranged around the top of the machining table. The fixing assembly comprises the abutting plate 4, one end of which is in sliding cooperation with the bottom of the hand screw 5, and the bottom of the hand screw 5 is in threaded cooperation with the fixing seat 6 which is fixedly installed around the top of the machining table. The other end of the abutting plate 4 is fixedly installed with the rubber pad 19 at the bottom, which abuts against the surface of the circuit board body 3.

[0029] The hand screw 5 is arranged to press the abutting plate 4 downward, and the rubber pad 19 is arranged to fix the four corners of the circuit board body 3, thereby preventing the circuit board body 3 from being separated from the limiting groove 2 during the movement, and further preventing the circuit board body 3 from displacement under high temperature, thereby improving the welding quality.

[0030] The ejection assembly comprises the top block 16 and the pushing block 13. The bottom of the top block 16 is arranged as an inclined surface, which is in sliding cooperation with the inclined surface at the bottom of the pushing block 13. The pushing block 13 is fixedly installed with the connecting rod 8 at one side, and the connecting rod 8 is fixedly installed with the pressing plate 7 at one end. The top block 16 is in sliding cooperation with the upper portion of the installation cavity 15, and the pushing block 13 is in sliding cooperation with the lower portion of the installation cavity 15. The connecting rod 8 is in sliding cooperation with one side of the bottom plate 1, and the surface of the connecting rod 8 is slidably sleeved with the spring 14. One side of the spring 14 abuts against the outer side wall of the bottom plate 1, and the other end of the spring 14 is fixedly connected with the pressing plate 7. The two sides of the top block 16 are fixedly installed with the limiting blocks 18, and the upper portion of the installation cavity 15 is provided with the sliding grooves 17 at the two sides, which are in sliding cooperation with the limiting blocks 18.

[0031] The pressing plate 7 and the connecting rod 8 are arranged in cooperation to drive the pushing block 13 to move, and the pushing block 13 can push the top block 16 to move upward, thereby ejecting the circuit board body 3 from the limiting groove 2, which is convenient for the operator to take the circuit board body 3 and avoid damaging the circuit board body 3. The spring 14 is arranged to reset the pressing plate 7, the pushing block 13 and other structures after the pressing plate 7 loses the pressure, and the pushing block 13 also resets under the influence of its own gravity after losing the pushing force, thereby facilitating the next processing. The limiting blocks 18 are arranged in cooperation with the sliding grooves 17 to prevent the top block 16 from being separated from the installation cavity 15.

[0032] In particular use, after the welding is completed, the device is moved to a designated position, two sets of elastic sheets 9 are turned in sequence, one end of the elastic sheet 9 is moved away from the surface of the pressing plate 12, then the two sets of pressing plates 12 are taken out upwards, then the hand screw 5 is twisted in sequence, the abutting plate 4 and the rubber pad 19 are loosened from the surface of the circuit board body 3, then the abutting plate 4 is turned, the abutting plate 4 is moved away from above the circuit board body 3, the pressing plate 7 is pressed manually, the pressing plate 7 pushes the pushing block 13 to move to the inside of the installation cavity 15 through the connecting rod 8, at the same time, the pushing block 16 pushes the circuit board body 3 upwards to take out the limiting groove 2, the operator can pinch the two sides of the circuit board body 3 to take it out from the limiting groove 2, so as to prevent the electronic elements on the surface of the circuit board body 3 from being damaged.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A product furnace carrier, characterized by: Including the bottom plate (1), the surface of the bottom plate (1) is provided with a limiting groove (2), and the limiting groove (2) is placed with a circuit board; It also includes four sets of fixing assemblies, which are arranged around the top of the machining table, and the fixing assembly includes a pressing plate (4), one end of the pressing plate (4) is in sliding fit with the bottom of the hand screw (5), the bottom of the hand screw (5) is in threaded connection with the fixing seat (6), and the fixing seat (6) is fixedly installed around the top of the machining table; It also includes an ejection assembly, the ejection assembly includes a top block (16) and a push block (13), the bottom of the top block (16) is provided as an inclined surface, the inclined surface of the bottom of the top block (16) is in sliding fit with the bottom inclined surface of the push block (13), and one side of the push block (13) is fixedly provided with a connecting rod (8), one end of the connecting rod (8) is fixedly provided with a pressing plate (7).

2. A product furnace carrier according to claim 1, characterized in that: The other end of the pressing plate (4) is fixedly provided with a rubber pad (19), and the rubber pad (19) is in contact with the surface of the circuit board.

3. A product furnace carrier according to claim 1, wherein: The bottom of the limiting groove (2) is provided with a mounting cavity (15), and the mounting cavity (15) is arranged in the bottom plate (1).

4. A product furnace carrier according to claim 3, wherein: The top block (16) is in sliding fit with the upper part of the mounting cavity (15), and the push block (13) is in sliding fit with the lower part of the mounting cavity (15).

5. A product furnace carrier according to claim 4, wherein: The connecting rod (8) is in sliding fit with one side of the bottom plate (1), the surface of the connecting rod (8) is slidably sleeved with a spring (14), one side of the spring (14) is in contact with the outer wall of the bottom plate (1), and the other end of the spring (14) is fixedly connected with the pressing plate (7).

6. A product furnace carrier according to claim 5, wherein: The two sides of the top block (16) are fixedly provided with limiting blocks (18), and the upper part of the mounting cavity (15) is provided with sliding grooves (17) on both sides.

7. A product furnace carrier according to claim 1, wherein: Two sets of rotating seats (10) are fixedly installed on both sides of the top surface of the bottom plate (1), a resilient sheet (9) is rotatably installed on the top of the rotating seat (10), and one end of the resilient sheet (9) is in contact with a pressing plate (12).

8. A product furnace carrier according to claim 7, characterized in that: The pressing plate (12) is provided with notches on both sides, the notches are in sliding fit with limiting columns (11), and the limiting columns (11) are fixedly installed on the other two sides of the top surface of the bottom plate (1).

Citation Information

Patent Citations

  • Furnace passing carrier

    CN218473507U