Width-adjustable furnace passing jig

Abstract

The utility model relates to the technical field of furnace passing jigs, and discloses a width-adjustable furnace passing jig which comprises a connecting plate, the front end and the rear end of the right side of the connecting plate are fixedly connected with fixing columns, the right ends of the fixing columns are in sliding connection with telescopic columns, the right ends of the telescopic columns are fixedly connected with the other connecting plate, and the other connecting plate is fixedly connected with the width-adjustable furnace passing jig. A fixing plate is fixedly connected to the right side of the connecting plate, an extending plate is slidably connected to the right side of the fixing plate, an inner cavity is formed in the fixing plate, and a rotating block is rotatably connected to the left end of the bottom of the inner cavity. According to the furnace-passing jig, through interaction of the fixing plate, the extension plate, the telescopic column, the rotating block, the supporting rod, the connecting rod, the connecting rod, the fixing block and the handle, extension of the extension plate is achieved, adjustment can be conducted according to workpieces of different sizes, a new furnace-passing jig is prevented from being taken out for placement, and the use flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pass through furnace jig technical field especially, it relates to a width adjustable pass through furnace jig. BACKGROUND

[0002] Pass through furnace jig, it is a kind of novel PCB jig for SMT processing, it is applicable to the various PCB board of the SMD component of the soldering surface of plug-in material, and the workpiece after processing can be placed on surface, and appropriate support, positioning and fixation are provided.

[0003] But in the use process of existing pass through furnace jig, because the size of workpiece is different, the existing pass through furnace jig cannot be adjusted according to the size of workpiece, needs to replace pass through furnace jig and places again, influence workpiece cooling efficiency, therefore, aiming at the above problem, present a kind of width adjustable pass through furnace jig. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of width adjustable pass through furnace jig, to improve the problem that existing pass through furnace jig cannot be adjusted according to the size of workpiece.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of width adjustable pass through furnace jig, including link plate, the right side front and rear ends of the link plate are all fixedly connected with fixed column, the right end of the fixed column is slidably connected with telescopic column, the right end of the telescopic column is fixedly connected with another link plate, the right side of the link plate is fixedly connected with fixed plate, the right side of the fixed plate is slidably connected with extension plate, the inside of the fixed plate is provided with inner chamber, the bottom left end of the inner chamber is rotatably connected with rotating block, the top right side of the rotating block is fixedly connected with support rod, one end of the support rod is rotatably connected with connecting rod, the other end of the connecting rod is rotatably connected with link rod, the other end of the link rod is fixedly connected with fixed block, the bottom side of the telescopic column is fixedly connected with handle.

[0006] As a further description of the above technical scheme:

[0007] The top right side of two the fixed column is provided with a plurality of clamping grooves, the top of the clamping groove is slidably connected with fixed rod, the outside top of two the fixed rod is provided with a plurality of threads, the outside thread of the thread is screw-connected with sliding block, the both sides bottom of the fixed rod is provided with groove, the inside of the fixed rod is provided with cavity, the top of two the cavity is slidably connected with telescopic rod, the both sides of the telescopic rod are rotatably connected with clamping block, the inside of the cavity is provided with spring.

[0008] As a further description of the above technical scheme:

[0009] One end of the spring is fixedly connected to the inner wall of the bottom of the cavity, and the other end of the spring is fixedly connected to the bottom end of the telescopic rod.

[0010] As a further description of the above technical solution:

[0011] The two sides of the clamping block pass through the two sides of the groove body, extend outward, and are clamped at the bottom of the clamping groove.

[0012] As a further description of the above technical solution:

[0013] The top of the fixing block is fixedly connected to one side of the bottom of the extension plate.

[0014] As a further description of the above technical solution:

[0015] The bottom of the telescopic column passes through one side of the bottom of the fixing plate and extends outward.

[0016] As a further description of the above technical solution:

[0017] The outer top end of the two fixing rods is fixedly connected to the limiting block.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] 1、The utility model discloses a fixing plate, an extension plate, a telescopic column, a rotating block, a supporting rod, a connecting rod, a link rod, a fixing block and a handle interact with each other, realize the extension of the extension plate, be favorable to the adjustment according to the workpiece of different size, avoid taking out the new furnace fixture again and place, improve the use flexibility.

[0020] 2、The utility model discloses a fixing rod, a clamping groove, a thread, a sliding block, a clamping block, a telescopic rod, a spring and a limiting block interact with each other, realize the fixing of the extension plate, prevent the extension plate from shrinking or extending due to other actions, and then affect the fixation of the workpiece, improve the stability. DRAWINGS

[0021] Figure 1 A three-dimensional view of the width-adjustable furnace fixture is provided for the utility model;

[0022] Figure 2 A fixing plate internal structure schematic view of the width-adjustable furnace fixture is provided for the utility model;

[0023] Figure 3 A bottom structure schematic view of the width-adjustable furnace fixture is provided for the utility model;

[0024] Figure 4 A fixing rod structure schematic view of the width-adjustable furnace fixture is provided for the utility model.

[0025] Legend:

[0026] 1, adapter plate; 2, fixed column; 3, fixed plate; 4, extension plate; 5, telescopic column; 6, rotating block; 7, support rod; 8, connecting rod; 9, adapter rod; 10, fixed block; 11, handle; 12, clamping groove; 13, fixed rod; 14, thread; 15, sliding block; 16, clamping block; 17, telescopic rod; 18, spring; 19, limiting block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Referring to Figures 1-4 , the utility model provides an embodiment: a width adjustable furnace tool, including adapter plate 1, the right side of adapter plate 1 both ends are fixedly connected with fixed column 2, the right end of fixed column 2 is slidably connected with telescopic column 5, the right end of telescopic column 5 is fixedly connected with another adapter plate 1, the right side of adapter plate 1 is fixedly connected with fixed plate 3, the right side of fixed plate 3 is slidably connected with extension plate 4, the inside of fixed plate 3 is provided with inner chamber, the bottom left end of inner chamber is rotatably connected with rotating block 6, the top right side of rotating block 6 is fixedly connected with support rod 7, one end of support rod 7 is rotatably connected with connecting rod 8, the other end of connecting rod 8 is rotatably connected with adapter rod 9, the other end of adapter rod 9 is fixedly connected with fixed block 10, the bottom side of telescopic column 5 is fixedly connected with handle 11, according to the size of workpiece, shake handle 11, under the action of handle 11, rotating block 6 starts to rotate, in turn drive support rod 7 to move, under the action of support rod 7, connecting rod 8 starts to rotate, adapter rod 9 also starts to move under the action of connecting rod 8, make extension plate 4 on fixed block 10 extend continuously, make telescopic column 5 also extend and move in fixed column 2, when coinciding with its workpiece size, stop shaking, avoid taking out new furnace tool for placement, improve the use flexibility.

[0029] The top right side of the two fixing columns 2 is provided with a plurality of clamping grooves 12, the top of the clamping grooves 12 is slidably connected with a fixing rod 13, the outer side top of the two fixing rods 13 is provided with a plurality of threads 14, the outer side of the threads 14 is threadedly connected with a sliding block 15, the sliding block 15 moves on the threads 14, the two side bottoms of the fixing rod 13 are provided with groove bodies, the inside of the fixing rod 13 is provided with cavities, the top of the two cavities is slidably connected with a telescopic rod 17, the two sides of the telescopic rod 17 are rotatably connected with clamping blocks 16, the inside of the cavity is provided with a spring 18, the telescopic rod 17 is pressed downward, under the action of the telescopic rod 17, the spring 18 is extruded, the clamping block 16 moves in the inner wall of the cavity, expands when passing through the groove bodies on the two sides of the fixing rod 13, so that the clamping block 16 is just clamped in the inner wall at the bottom of the clamping groove 12, so that the telescopic column 5 and the fixing column 2 are fully clamped, at the same time, the sliding block 15 is rotated, the sliding block 15 moves on the threads 14, stops when the sliding block 15 operates to the top of the clamping groove 12, so that it is fully fixed, in order to further operate, prevent from being affected to extend or contract again, and then affect the fixation of the workpiece, improve the stability, one end of the spring 18 is fixedly connected to the bottom inner wall of the cavity, the other end of the spring 18 is fixedly connected to the bottom end of the telescopic rod 17, the spring 18 makes the telescopic rod 17 more stable when being pressed, the two sides of the clamping block 16 penetrate through the two sides of the groove body and extend outward, and are clamped at the bottom of the clamping grooves 12, the top of the fixing block 10 is fixedly connected to the bottom side of the extension plate 4, the bottom of the telescopic column 5 penetrates through the bottom side of the fixing plate 3 and extends outward, the outer side top of the two fixing rods 13 is fixedly connected with a limiting block 19, the limiting block 19 prevents the sliding block 15 from moving away from the surface of the fixing rod 13.

[0030] Working principle: when the produced workpiece needs to be placed, it needs to be placed in the furnace jig for cooling work, at this time, the size of the workpiece is adjusted, the handle 11 is shaken, under the action of the handle 11, the rotating block 6 starts to rotate, then drives the supporting rod 7 to move, under the action of the supporting rod 7, the connecting rod 8 starts to rotate, the connecting rod 9 also starts to move under the action of the connecting rod 8, so that the extension plate 4 on the fixing block 10 continuously extends, so that the telescopic column 5 also extends in the fixing column 2, stop shaking when the size of the workpiece is just coincident, at this time, press the telescopic rod 17 downward, under the action of the telescopic rod 17, the spring 18 is extruded, the clamping block 16 moves in the inner wall of the cavity, expands when passing through the groove bodies on the two sides of the fixing rod 13, so that the clamping block 16 is just clamped in the inner wall at the bottom of the clamping groove 12, so that the telescopic column 5 and the fixing column 2 are fully clamped, at the same time, the sliding block 15 is rotated, the sliding block 15 moves on the threads 14, stops when the sliding block 15 operates to the top of the clamping groove 12, so that it is fully fixed, in order to further operate, prevent from being affected to extend or contract again, and then affect the fixation of the workpiece, improve the stability.

[0031] 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 width-adjustable furnace jig comprising a link plate (1), characterized in that: The right side of the connecting plate (1) is fixedly connected with a fixed column (2), the right end of the fixed column (2) is slidably connected with a telescopic column (5), the right end of the telescopic column (5) is fixedly connected with another connecting plate (1), the right side of the connecting plate (1) is fixedly connected with a fixed plate (3), the right side of the fixed plate (3) is slidably connected with an extension plate (4), the inside of the fixed plate (3) is provided with an inner cavity, the bottom left end of the inner cavity is rotatably connected with a rotating block (6), the top right side of the rotating block (6) is fixedly connected with a supporting rod (7), one end of the supporting rod (7) is rotatably connected with a connecting rod (8), the other end of the connecting rod (8) is rotatably connected with a connecting rod (9), the other end of the connecting rod (9) is fixedly connected with a fixed block (10), the bottom side of the telescopic column (5) is fixedly connected with a handle (11).

2. The width-adjustable oven tool according to claim 1, wherein: The top right side of the two fixed columns (2) is provided with a plurality of clamping grooves (12), the top of the clamping groove (12) is slidably connected with a fixed rod (13), the outer top of the two fixed rods (13) is provided with a plurality of threads (14), the outside of the thread (14) is threadedly connected with a sliding block (15), the both sides of the fixed rod (13) are provided with grooves, the inside of the fixed rod (13) is provided with cavities, the top of the two cavities is slidably connected with a telescopic rod (17), the both sides of the telescopic rod (17) are rotatably connected with a clamping block (16), the inside of the cavity is provided with a spring (18).

3. The width-adjustable oven fixture of claim 2, wherein: One end of the spring (18) is fixedly connected to the bottom inner wall of the cavity, the other end of the spring (18) is fixedly connected to the bottom end of the telescopic rod (17).

4. The width-adjustable oven tool according to claim 2, wherein: The both sides of the clamping block (16) penetrate through the both sides of the groove, extend outward, and are clamped at the bottom of the clamping grooves (12).

5. The width-adjustable oven tool according to claim 1, wherein: The top of the fixed block (10) is fixedly connected to the bottom side of the extension plate (4).

6. The width-adjustable oven tool according to claim 1, wherein: The bottom of the telescopic column (5) penetrates through the bottom side of the fixed plate (3) and extends outward.

7. The width-adjustable oven tool according to claim 2, wherein: The outer top of the two fixed rods (13) is fixedly connected with a limiting block (19).

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