Metal heat treatment furnace passing jig
By designing a combination structure including a fixing block, threaded rod, and nut, the problem of PCB board swaying and tilting during heat treatment was solved, achieving stable clamping and heat dissipation, and improving product quality.
Patent Information
- Application Number
- CN202422985332.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-04
AI Technical Summary
During heat treatment, unbalanced components on the PCB board are prone to swaying during the reflow fixture movement, leading to poor soldering and tilting, which affects the product's appearance and causes poor contact.
A metal heat treatment furnace fixture was designed. Through a combination of a fixed block, a threaded rod, a nut, a clamping plate, a limiting rod, a limiting block, a slide, a spring, and a protrusion, a PCB board can be stably clamped to prevent swaying and tilting.
It effectively prevents the PCB board from swaying and tilting during the heat treatment process, improves the processing quality and reliability of the product, and increases the practicality of the device.
Smart Images
Figure CN223522600U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a furnace passing jig technical field especially relates to a metal heat treatment furnace passing jig. BACKGROUND
[0002] Furnace passing jig (also commonly known as heat treatment fixture) is a special tool for fixing and supporting workpieces in heat treatment process. In the heat treatment process, the workpiece usually needs to be exposed to high temperature environment for heating or cooling, and the function of the furnace passing jig is to ensure that the workpiece maintains the correct position and posture during the whole process to achieve the expected heat treatment effect.
[0003] And because the height of the soldering elements on the PCB is different, especially the higher elements, if there is no auxiliary pressure, it will sway during the movement of the furnace passing jig, causing the parts to be loose and inclined, resulting in poor appearance or poor contact, causing trouble to the subsequent processing of the product. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a metal heat treatment furnace passing jig, which aims at improving the problem that the furnace passing jig will sway during the movement, causing the parts to be loose and inclined, resulting in poor appearance or poor contact.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a metal heat treatment furnace passing jig, comprising a bottom plate, the top of the bottom plate is fixedly connected with a fixed block on the left and right sides, the inside of the fixed block is threadedly connected with a threaded rod, the far side of the two threaded rods is fixedly connected with a nut, the near side of the two threaded rods is fixedly connected with a clamping plate, the inside of the fixed block is slidably connected with a limiting rod on the front and back sides, the side of the limiting rod close to the nut is fixedly connected with a limit block, the inside of the fixed block is provided with a sliding groove on the front and back sides, the inside of the sliding groove is provided with a spring, the side of the clamping plate away from the fixed block is provided with a plurality of convex heads.
[0006] As a further description of the above technical scheme:
[0007] The top of the bottom plate is fixedly connected with a support block on the front and back sides, the top of the support block is fixedly connected with a limiting plate, the inside of the limiting plate is threadedly connected with a lead screw on the left and right sides, the top of the lead screw is fixedly connected with a rotating column.
[0008] As a further description of the above technical scheme:
[0009] The top of the bottom plate is fixedly connected with a fixed plate at the four corners, the top of the fixed plate is rotatably connected with a rotating plate, the inside of the bottom plate is provided with a plurality of heat dissipation grooves.
[0010] As a further description of the above technical solutions:
[0011] The outer part of the limiting block is slidably connected to the inner wall of the sliding groove, and the outer part of the limiting rod penetrates the fixed block and is fixedly connected to one side of the clamping plate.
[0012] As a further description of the above technical solutions:
[0013] One end of the spring is fixedly connected to one side of the limiting block, and the other end of the spring is fixedly connected to the inner wall of one side of the sliding groove.
[0014] As a further description of the above technical solutions:
[0015] The bottom of the clamping plate is slidably connected to the top of the bottom plate, and the bottom of the rotating plate is rotatably connected to the top of the limiting plate.
[0016] As a further description of the above technical solutions:
[0017] The bottom of the screw rod is threadedly connected to the top of the bottom plate, and the bottom of the rotating column is fitted to the top of the limiting plate.
[0018] The utility model has the advantages of the following beneficial effects:
[0019] In the utility model, the fixing block, the threaded rod, the nut, the clamping plate, the limiting rod, the limiting block, the sliding groove, the spring and the convex head are cooperated to realize the fixing effect of the PCB, so that the PCB does not sway during movement, does not tilt and is not false soldered, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Fig. 1 A three-dimensional front side schematic view of the metal heat treatment furnace jig is provided in the utility model;
[0021] Fig. 2 A top surface schematic view of the metal heat treatment furnace jig is provided in the utility model;
[0022] Fig. 3 An internal structure view of the fixed block of the metal heat treatment furnace jig is provided in the utility model.
[0023] LEGEND:
[0024] 1, bottom plate; 2, fixed block; 3, threaded rod; 4, nut; 5, clamping plate; 6, limiting rod; 7, limiting block; 8, sliding groove; 9, spring; 10, convex head; 11, supporting block; 12, limiting plate; 13, screw rod; 14, rotating column; 15, fixed plate; 16, rotating plate; 17, heat dissipation groove. DETAILED DESCRIPTION
[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0026] With reference to Figs. 1-3 The utility model provides an embodiment: a kind of metal heat treatment furnace jig, the top of bottom plate 1 Both sides are fixedly connected with fixed block 2, the design is to be fixed for fixed block 2, screw rod 3 is connected with the inside screw thread of fixed block 2, the design is to control for screw rod 3, the far side of two screw rods 3 is fixedly connected with nut 4, the design is to better control screw rod 3 for nut 4, the side close to of two screw rods 3 is fixedly connected with clamping plate 5, the design is to be fixed for clamping plate 5, the inside front and back of fixed block 2 Both sides are slidably connected with limiting rod 6, the design is to limit for limiting rod 6, limiting rod 6 is fixedly connected with limit block 7 on the side close to nut 4, the design is to limit limiting rod 6 for preventing it from falling off for limit block 7, the inside front and back of fixed block 2 Both sides are provided with sliding slot 8, the design is to space for sliding slot 8, spring 9 is provided in the inside of sliding slot 8, the design is to increase limit for spring 9, clamping plate 5 is provided with multiple convex head 10 on the side away from fixed block 2, the design is to fix the clamping of article for convex head 10.
[0027] The top of the bottom plate 1 is fixedly connected with support blocks 11, the design of the support blocks 11 is to support, the top of the support blocks 11 is fixedly connected with limiting plates 12, the design of the limiting plates 12 is to stabilize the articles, the left and right sides of the limiting plates 12 are threadedly connected with lead screws 13, the design of the lead screws 13 is to further stabilize the limiting plates 12, the top of the lead screws 13 is fixedly connected with rotating columns 14, the design of the rotating columns 14 is to facilitate the control of the lead screws 13. The top of the bottom plate 1 is fixedly connected with fixed plates 15, the design of the fixed plates 15 is to support, the top of the fixed plates 15 is rotatably connected with rotating plates 16, the design of the rotating plates 16 is to stabilize the limiting plates 12, the inside of the bottom plate 1 is provided with a plurality of heat dissipation grooves 17, the design of the heat dissipation grooves 17 is to dissipate heat. The outside of the limiting blocks 7 is slidably connected to the inner wall of the sliding grooves 8, which is designed to stabilize, and the outside of the limiting rods 6 penetrates the fixed blocks 2 and is fixedly connected to one side of the clamping plates 5, which is designed to limit the clamping plates 5. One end of the springs 9 is fixedly connected to one side of the limiting blocks 7, and the other end of the springs 9 is fixedly connected to the inner wall of one side of the sliding grooves 8, which is designed to increase the limitation. The bottom of the clamping plates 5 is slidably connected to the top of the bottom plate 1, which is designed to stabilize, and the bottom of the rotating plates 16 is rotatably connected to the top of the limiting plates 12, which is designed to stabilize the limiting plates 12. The bottom of the lead screws 13 is threadedly connected to the top of the bottom plate 1, which is designed to increase the fixity of the articles, and the bottom of the rotating columns 14 is in contact with the top of the limiting plates 12.
[0028] Working principle: first, place the PCB board, then rotate the nut 4, make the nut 4 rotate with the threaded rod 3, push the clamping plate 5, at this time the action of the clamping plate 5 will move with the limiting rod 6, and the movement of the limiting rod 6 will move with the limiting block 7, at this time the limiting block 7 will squeeze the spring 9 little by little, finally the clamping plate 5 completes clamping and fixing, finally the movement of the clamping plate 5 moves with the protruding head 10, thereby realizing the clamping and fixing effect of the PCB board, so that it will not shake and deviate during movement, thereby causing accidents during processing of the PCB board, resulting in quality or other problems of the PCB board, at this time the PCB board will be against the limiting plate 12, which can be fixed by rotating the rotating plate 16, and the PCB board can be cooled by the heat dissipation grooves 17 to avoid excessive thermal stress and deformation, providing sufficient heat dissipation channels to maintain uniform heating or cooling of the workpiece.
[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A metal heat treatment furnace fixture comprising a base plate (1), characterized in that: The top left and right sides of the bottom plate (1) are fixedly connected with fixed blocks (2), the inside of the fixed block (2) is threadedly connected with threaded rods (3), the far sides of the two threaded rods (3) are fixedly connected with nuts (4), the near sides of the two threaded rods (3) are fixedly connected with clamping plates (5), the inside of the fixed block (2) is slidably connected with limiting rods (6) on the front and back sides, the side of the limiting rod (6) close to the nut (4) is fixedly connected with a limiting block (7), the inside of the fixed block (2) is provided with a sliding groove (8) on the front and back sides, the inside of the sliding groove (8) is provided with a spring (9), the side of the clamping plate (5) away from the fixed block (2) is provided with a plurality of convex heads (10).
2. The metal heat treatment furnace fixture of claim 1, wherein: The top front and back sides of the bottom plate (1) are fixedly connected with support blocks (11), the top of the support block (11) is fixedly connected with a limiting plate (12), the inside of the limiting plate (12) is threadedly connected with lead screws (13) on the left and right sides, the top of the lead screw (13) is fixedly connected with a rotating column (14).
3. The metal heat treatment furnace fixture of claim 1, wherein: The top four corners of the bottom plate (1) are fixedly connected with fixed plates (15), the top of the fixed plate (15) is rotatably connected with a rotating plate (16), the inside of the bottom plate (1) is provided with a plurality of heat dissipation grooves (17).
4. The metal heat treatment furnace fixture of claim 1, wherein: The outside of the limiting block (7) is slidably connected to the inner wall of the sliding groove (8), and the outside of the limiting rod (6) penetrates the fixed block (2) and is fixedly connected to one side of the clamping plate (5).
5. The metal heat treatment furnace fixture of claim 1, wherein: One end of the spring (9) is fixedly connected to one side of the limiting block (7), and the other end of the spring (9) is fixedly connected to the inner wall of the sliding groove (8).
6. The metal heat treatment furnace fixture of claim 3, wherein: The bottom of the clamping plate (5) is slidably connected to the top of the bottom plate (1), and the bottom of the rotating plate (16) is rotatably connected to the top of the limiting plate (12).
7. The metal heat treatment furnace fixture of claim 2, wherein: The bottom of the lead screw (13) is threadedly connected to the top of the bottom plate (1), and the bottom of the rotating column (14) is fitted with the top of the limiting plate (12).