Lead frame cleaning tank facilitating feeding and discharging

Abstract

The utility model relates to the technical field of chip processing, in particular to a lead frame cleaning tank convenient for feeding and discharging, which is characterized in that a moving mechanism is arranged at the bottom of a box body; the second sliding rail is connected with the moving mechanism. The second sliding strip is arranged on the second sliding rail in a sliding mode. A limiting rod is rotationally connected to the outer end of the second sliding rail through a shaft and a bearing; the limiting rod is of an L-shaped structure. The first connecting rod is fixed to the inner end of the limiting rod. The first connecting rod is movably sleeved with the limiting block. The first connecting rod is sleeved with the spring. A placing frame is fixed on the sliding strip II, and a filter screen I is arranged in the placing frame; the limiting block abuts against the containing frame. The limiting mechanisms are respectively arranged on the placing mechanisms; the lead frame container can be easily separated from the box body; the placing frame is easy to pull out, and feeding and discharging are facilitated; the lead frame is prevented from moving during cleaning, and the cleaning efficiency is improved; and the nozzle rotates to spray out the cleaning liquid, so that the lead frame is fully cleaned, and the practicability is improved.

Description

Technical Field

[0001] This utility model relates to the field of chip processing technology, specifically to a lead frame cleaning tank that facilitates loading and unloading. Background Technology

[0002] After a certain period of use, the oxides and other contaminants generated by the leadframe cause delamination between the molding compound and the leadframe, reducing the reliability of the leadframe and affecting the quality of chip bonding and wire bonding. Therefore, the leadframe needs to be cleaned regularly. Currently used leadframe cleaning devices can only perform simple rinsing or immersion. When loading and unloading, the leadframe needs to be placed in a container. However, the cleaning device is generally large, requiring the leadframes to be laid out and fixed one by one. Loading and unloading is time-consuming and labor-intensive, and the leadframes are easily scattered during cleaning, resulting in insufficient cleaning. Therefore, a leadframe cleaning tank that facilitates loading and unloading is proposed. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by providing a lead frame cleaning tank that facilitates loading and unloading. This allows the lead frame container to be easily removed from the housing; the placement frame is easy to pull out for easy loading and unloading; it prevents the lead frame from moving around during cleaning, thus improving cleaning efficiency; and the rotating nozzle sprays cleaning fluid to thoroughly clean the lead frame, enhancing its practicality.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: it includes a box body, a door body, a water inlet pipe, and a drain pipe; the door body is connected to the opening on the front side wall of the box body via a hinge; the top of the box body is connected to a water inlet pipe, which is connected to a device containing lead wire frame cleaning fluid; a drain pipe is provided on the rear side of the right side wall of the box body.

[0005] It also includes:

[0006] A moving mechanism, wherein the moving mechanism is located at the bottom of the housing;

[0007] A placement mechanism, comprising several units arranged in a ring on the moving mechanism within the housing; the placement mechanism includes:

[0008] The second slide rail is connected to the moving mechanism;

[0009] The second slide bar is slidably mounted on the second slide rail;

[0010] The limiting rod is screwed to the outer end of the second slide rail via a shaft and a bearing; the limiting rod is configured in an "L" shape.

[0011] Connecting rod number one, which is fixed to the inner end of the limiting rod;

[0012] A limiting block, wherein the limiting block is movably sleeved on the first connecting rod;

[0013] The spring is sleeved on the first connecting rod, with one end of the spring fixed to the limiting block and the other end of the spring fixed to the limiting rod;

[0014] A placement frame is fixed on a second sliding bar, and a first filter screen is provided inside the placement frame; a limiting block abuts against the placement frame.

[0015] A limiting mechanism, wherein there are several limiting mechanisms, and each is disposed on the placement mechanism;

[0016] The cleaning mechanism is located on the housing.

[0017] Preferably, the moving mechanism comprises:

[0018] The first slide rail is fixed to the inner bottom plate of the box.

[0019] The first slider is slidably mounted on the first slide rail;

[0020] The central column is screwed onto the first slide bar via a shaft and bearings, and several second slide rails are fixed to the central column in a ring.

[0021] Preferably, a grip is fixed to the front end of the upper surface of the first slider, and several finger grooves are provided on the grip.

[0022] Preferably, rubber pads are fixed at both the front and rear of the first slide bar, with the front and rear rubber pads respectively abutting against the door and the box body.

[0023] Preferably, the limiting mechanism comprises:

[0024] A limiting frame is fitted inside a placement frame; a second filter screen is provided inside the limiting frame.

[0025] There are four No. 2 connecting rods, which are fixed at the four corners of the upper end of the limiting frame respectively; a No. 3 connecting rod is fixed between two adjacent No. 2 connecting rods, and a No. 4 connecting rod is fixed between the inner and outer No. 3 connecting rods.

[0026] Connecting rod No. 5 is fixed on connecting rod No. 4, and connecting rod No. 5 has an "L" shaped structure;

[0027] The lifting mechanism is located on the central column and is connected to the No. 5 connecting rod.

[0028] Preferably, the lifting mechanism includes: a lifting motor, a screw, and an internally threaded tube; a square groove is provided in the center column, the lifting motor is fixed in the square groove, and the lifting motor is connected to an external power source; the screw is connected to the output shaft of the lifting motor, the internally threaded tube is threadedly fitted onto the screw, the internally threaded tube is movably embedded in the square groove, and several No. 5 connecting rods are fixed on the internally threaded tube.

[0029] Preferably, the cleaning mechanism comprises:

[0030] A No. 1 connecting water pipe is screwed onto the bottom of the inlet pipe via a sealed bearing; a No. 1 gear is fixedly mounted on the No. 1 connecting water pipe, and a No. 2 gear is meshed on the rear side of the No. 1 gear; a rotating motor is fixed on the inner top plate of the housing and is connected to an external power source; the output shaft of the rotating motor is connected to the No. 2 gear.

[0031] There are several No. 2 connecting water pipes, which are arranged in a ring and connected to No. 1 connecting water pipe.

[0032] The nozzles are numerous and are each connected through to the bottom of the second connecting water pipe.

[0033] Preferably, a No. 6 connecting rod is welded and fixed to the outer end of the No. 2 connecting water pipe, a slider is fixed to the upper end of the No. 6 connecting rod, and an annular slide rail is fixed to the inner top plate of the box, with the slider sliding on the annular slide rail.

[0034] Compared with the prior art, the beneficial effects of this utility model are:

[0035] 1. It is equipped with a moving mechanism, which, through the cooperation of the first slide bar and the first slide rail, allows the container for placing the lead frame to be easily removed from the box.

[0036] 2. Equipped with a placement mechanism, the placement frame is pulled out from the second slide rail, and the lead wire frame that needs to be cleaned is placed on the first filter screen of the placement frame for easy loading and unloading;

[0037] 3. A limit mechanism is provided. When the lifting motor is started, the No. 2 filter screen on the limit frame is pressed onto the lead wire frame, which prevents the lead wire frame from moving around during cleaning and improves cleaning efficiency.

[0038] 4. Equipped with a cleaning mechanism, the nozzle rotates to spray cleaning fluid, thoroughly cleaning the lead frame and improving its practicality. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the structure of this utility model.

[0040] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0041] Figure 3 yes Figure 2 Enlarged view of part A in the image.

[0042] Figure 4 yes Figure 2 Enlarged view of part B in the image.

[0043] Figure 5 This is an exploded view of the placement mechanism in this utility model.

[0044] Figure 6 This is a structural schematic diagram of the lifting mechanism in this utility model.

[0045] Explanation of reference numerals in the attached figures:

[0046] 1. Box body; 2. Door; 3. Water inlet pipe; 4. Drain pipe; 5. Moving mechanism; 5. No. 1 slide rail; 5-1. No. 1 slide bar; 5-2. Handle bar; 5-3. Rubber pad; 5-4. Center column; 5-5. Placement mechanism; 6. No. 2 slide rail; 6-1. No. 2 slide bar; 6-2. Limiting rod; 6-3. No. 1 connecting rod; 6-4. Limiting block; 6-5. Spring; 6-6. Placement frame; 6-7. No. 1 filter screen; 6-8. Limiting mechanism; 7. Limiting bracket; 7-1. No. 2 filter screen; 7-2. 7-3 (connecting rod 2), 7-4 (connecting rod 3), 7-5 (connecting rod 4), 7-6 (connecting rod 5), 7-7 (lifting mechanism), 7-8 (lifting motor), 7-9 (screw), 7-10 (internal threaded pipe), 8 (cleaning mechanism), 8-1 (connecting water pipe 1), 8-2 (gear 1), 8-3 (gear 2), 8-4 (rotating motor), 8-5 (connecting water pipe 2), 8-6 (connecting rod 6), 8-7 (slider), 8-8 (circular slide rail), 8-9 (nozzle). Detailed Implementation

[0047] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0048] The specific implementation method adopts the following technical solution:

[0049] Please see Figure 1-6 This embodiment 1 includes a box body 1, a door body 2, a water inlet pipe 3, and a drain pipe 4; the door body 2 is connected to the opening on the front side wall of the box body 1 by a hinge; the top of the box body 1 is connected to the water inlet pipe 3, which is connected to a device containing lead wire frame cleaning fluid; the rear side of the right side wall of the box body 1 is provided with a drain pipe 4.

[0050] It also includes:

[0051] The moving mechanism 5 is located at the bottom of the housing 1; the moving mechanism 5 includes:

[0052] The first slide rail 5-1 is fixed to the inner bottom plate of the box 1 by bolts;

[0053] The first slide bar 5-2 is slidably mounted on the first slide rail 5-1; a handle 5-3 is fixed to the front end of the upper surface of the first slide bar 5-2 by bolts, and several finger grooves are provided on the handle 5-3; rubber pads 5-4 are glued to both the front and back of the first slide bar 5-2, and the front and back rubber pads 5-4 abut against the door body 2 and the box body 1 respectively;

[0054] The central column 5-5 is screwed onto the first slide bar 5-2 via a shaft and a bearing;

[0055] The placement mechanism 6 comprises several units, arranged in a ring on the central column 5-5 within the housing 1; the placement mechanism 6 includes:

[0056] The second slide rail 6-1 is fixed to the annular wall of the central column 5-5 by bolts;

[0057] Second slide bar 6-2, which is slidably mounted on second slide rail 6-1;

[0058] The limiting rod 6-3 is screwed to the outer end of the second slide rail 6-1 via a shaft and a bearing; the limiting rod 6-3 is arranged in an "L" shape.

[0059] Connecting rod 6-4 is fixed to the inner end of limiting rod 6-3;

[0060] Limiting block 6-5, wherein the limiting block 6-5 is movably sleeved on the first connecting rod 6-4;

[0061] Spring 6-6 is sleeved on the first connecting rod 6-4. One end of spring 6-6 is fixed to the limiting block 6-5, and the other end of spring 6-6 is fixed to the limiting rod 6-3.

[0062] Placement frame 6-7 is fixed to slide bar 6-2 by bolts, and filter screen 6-8 is provided inside placement frame 6-7; limiting block 6-5 abuts against placement frame 6-7;

[0063] A limiting mechanism 7, wherein there are several limiting mechanisms 7, each disposed on the placement mechanism 6; each limiting mechanism 7 includes:

[0064] The limiting frame 7-1 is fitted inside the placement frame 6-7; a second filter screen 7-2 is provided inside the limiting frame 7-1.

[0065] There are four No. 2 connecting rods 7-3, which are fixed at the four corners of the upper end of the limiting frame 7-1 respectively; a No. 3 connecting rod 7-4 is fixed between two adjacent No. 2 connecting rods 7-3 by bolts, and a No. 4 connecting rod 7-5 is fixed between the inner and outer No. 3 connecting rods 7-4 by bolts.

[0066] Connecting rod 7-6, which is fixed to connecting rod 7-5, is L-shaped.

[0067] The lifting mechanism 7-7 is mounted on the central column 5-5 and connected to the No. 5 connecting rod 7-6. The lifting mechanism 7-7 includes: a lifting motor 7-8, a screw 7-9, and an internally threaded tube 7-10. A square groove is provided in the central column 5-5. The lifting motor 7-8 is fixed in the square groove by bolts and is connected to an external power source. The specific model of the lifting motor 7-8 is purchased and installed directly from the market according to actual usage requirements. The screw 7-9 is connected to the output shaft of the lifting motor 7-8. The internally threaded tube 7-10 is threadedly fitted onto the screw 7-9 and is movably embedded in the square groove. Several No. 5 connecting rods 7-6 are fixed on the internally threaded tube 7-10.

[0068] Cleaning mechanism 8, which is mounted on housing 1; the cleaning mechanism 8 includes:

[0069] A first connecting water pipe 8-1 is screwed onto the bottom of the inlet pipe 3 via a sealed bearing; a first gear 8-2 is fixedly mounted on the first connecting water pipe 8-1, and a second gear 8-3 meshes with the rear side of the first gear 8-2; a rotating motor 8-4 is fixed to the inner top plate of the housing 1 by bolts, and the rotating motor 8-4 is connected to an external power source. The specific model of the rotating motor 8-4 is purchased and installed directly from the market according to actual usage requirements; the output shaft of the rotating motor 8-4 is connected to the second gear 8-3.

[0070] There are several No. 2 connecting water pipes 8-5, which are arranged in a ring and connected to No. 1 connecting water pipe 8-1. The outer end of the No. 2 connecting water pipe 8-5 is welded and fixed with a No. 6 connecting rod 8-6. The upper end of the No. 6 connecting rod 8-6 is fixed with a slider 8-7 by bolts. The inner top plate of the box 1 is fixed with an annular slide rail 8-8 by bolts. The slider 8-7 is slidably mounted on the annular slide rail 8-8.

[0071] Spray nozzles 8-9, there are several of them, and each of them is connected through to the bottom of the second connecting water pipe 8-5.

[0072] When using this utility model, open the door 2, and use the handle 5-3 to pull out the first slide bar 5-2 and the central column 5-5, so that several placement frames 6-7 can be pulled out; start the lifting motor 7-8, so that the screw 7-9 rotates, and the internal thread tube 7-10 is embedded in the square groove, so that the internal thread tube 7-10 rises and drives the fifth connecting rod 7-6 to rise, so that the limiting frame 7-1 rises; rotate the limiting rod 6-3, so that the limiting block 6-5 rotates and separates from the placement frame 6-7, pull the placement frame 6-7 out from the second slide rail 6-1, place the lead frame that needs to be cleaned on the first filter screen 6-8 of the placement frame 6-7, push the placement frame 6-7 back, rotate the limiting rod 6-3, so that the limiting block 6-5 abuts against the placement frame 6-7 under the action of the spring 6-6; prevent the placement frame 6-7 from moving;

[0073] After placing the lead frame, start the lifting motor 7-8 so that the second filter screen 7-2 on the limit frame 7-1 presses down on the lead frame to prevent the lead frame from moving randomly; move the first slide bar 5-2 back, close the door 2, and the front and rear rubber pads 5-4 are respectively placed on the door 2 and the box 1 to fix the first slide bar 5-2 inside the box 1.

[0074] The lead frame cleaning fluid is introduced through the water inlet pipe 3. The rotating motor 8-4 is started, which causes the second gear 8-3 to rotate, which drives the first gear 8-2 to rotate, causing the first connecting water pipe 8-1 to rotate, which in turn drives several second connecting rods 7-3 to rotate together, causing the nozzle 8-9 to rotate and spray out the cleaning fluid to thoroughly clean the lead frame.

[0075] Compared with the prior art, the beneficial effects of this utility model are:

[0076] 1. A moving mechanism 5 is provided, which, through the cooperation of the first slide bar 5-2 and the first slide rail 5-1, allows the container for placing the lead frame to easily leave the box 1;

[0077] 2. A placement mechanism 6 is provided to pull the placement frame 6-7 out from the second slide rail 6-1 and place the lead frame that needs to be cleaned on the first filter screen 6-8 of the placement frame 6-7 for easy loading and unloading.

[0078] 3. A limiting mechanism 7 is provided. When the lifting motor 7-8 is started, the second filter screen 7-2 on the limiting frame 7-1 is pressed onto the lead wire frame, which prevents the lead wire frame from moving around during cleaning and improves the cleaning efficiency.

[0079] 4. A cleaning mechanism 8 is provided, and the nozzles 8-9 rotate to spray cleaning fluid to thoroughly clean the lead frame, improving its practicality.

[0080] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A lead frame cleaning tank for easy loading and unloading, comprising a box body (1), a door body (2), a water inlet pipe (3), and a drain pipe (4); the door body (2) is connected to the opening on the front side wall of the box body (1) by a hinge; the top of the box body (1) is connected to the water inlet pipe (3), which is connected to a device containing lead frame cleaning fluid; the rear side of the right side wall of the box body (1) is provided with a drain pipe (4). Its features are, It also includes: The moving mechanism (5) is located at the bottom of the housing (1); The placement mechanism (6) comprises several units, which are arranged in a ring on the moving mechanism (5) inside the housing (1); the placement mechanism (6) includes: The second slide rail (6-1) is connected to the moving mechanism (5); The second slide bar (6-2) is slidably mounted on the second slide rail (6-1); The limiting rod (6-3) is screwed to the outer end of the second slide rail (6-1) via a shaft and a bearing; the limiting rod (6-3) is arranged in an "L" shape. Connecting rod No. 1 (6-4) is fixed to the inner end of the limiting rod (6-3); Limiting block (6-5), wherein the limiting block (6-5) is movably sleeved on the first connecting rod (6-4); Spring (6-6), wherein spring (6-6) is sleeved on connecting rod (6-4), one end of spring (6-6) is fixed to limiting block (6-5), and the other end of spring (6-6) is fixed to limiting rod (6-3); Placement frame (6-7), which is fixed on slide bar No. 2 (6-2), and filter screen No. 1 (6-8) is provided inside the placement frame (6-7); limiting block (6-5) abuts against the placement frame (6-7); The limiting mechanism (7) is a plurality of such limiting mechanisms (7) and is respectively provided on the placement mechanism (6); The cleaning mechanism (8) is located on the housing (1).

2. The lead frame cleaning tank for easy loading and unloading as described in claim 1, characterized in that: The moving mechanism (5) includes: The first slide rail (5-1) is fixed on the inner bottom plate of the box (1); The first slide bar (5-2) is slidably mounted on the first slide rail (5-1); The central column (5-5) is screwed onto the first slide bar (5-2) via a shaft and bearing, and several second slide rails (6-1) are fixed on the central column (5-5) in a ring.

3. The lead frame cleaning tank for easy loading and unloading as described in claim 2, characterized in that: A grip (5-3) is fixed to the front end of the upper surface of the first slider (5-2), and several finger grooves are provided on the grip (5-3).

4. The lead frame cleaning tank for easy loading and unloading as described in claim 2, characterized in that: Rubber pads (5-4) are fixed at both the front and back of the first sliding strip (5-2), and the front and back rubber pads (5-4) are respectively abutted against the door (2) and the box (1).

5. A lead frame cleaning tank for easy loading and unloading as described in claim 2, characterized in that: The aforementioned limiting mechanisms (7) all include: A limiting frame (7-1) is fitted inside a placement frame (6-7); a second filter screen (7-2) is provided inside the limiting frame (7-1). There are four No. 2 connecting rods (7-3), which are fixed at the four corners of the upper end of the limiting frame (7-1); a No. 3 connecting rod (7-4) is fixed between two adjacent No. 2 connecting rods (7-3), and a No. 4 connecting rod (7-5) is fixed between the inner and outer No. 3 connecting rods (7-4). Connecting rod No. 5 (7-6) is fixed on connecting rod No. 4 (7-5), and connecting rod No. 5 (7-6) has an "L" shaped structure; The lifting mechanism (7-7) is located on the central column (5-5) and is connected to the fifth connecting rod (7-6).

6. A lead frame cleaning tank for easy loading and unloading as described in claim 5, characterized in that: The lifting mechanism (7-7) includes: a lifting motor (7-8), a screw (7-9), and an internally threaded tube (7-10); a square groove is provided in the center column (5-5), the lifting motor (7-8) is fixed in the square groove, and the lifting motor (7-8) is connected to an external power source; the screw (7-9) is connected to the output shaft of the lifting motor (7-8), the internally threaded tube (7-10) is threaded and sleeved on the screw (7-9), the internally threaded tube (7-10) is movably embedded in the square groove, and several No. 5 connecting rods (7-6) are fixed on the internally threaded tube (7-10).

7. A lead frame cleaning tank for easy loading and unloading as described in claim 1, characterized in that: The cleaning mechanism (8) includes: A first connecting water pipe (8-1) is screwed onto the bottom of the inlet pipe (3) via a sealed bearing; a first gear (8-2) is fixedly mounted on the first connecting water pipe (8-1), and a second gear (8-3) is meshed on the rear side of the first gear (8-2); a rotating motor (8-4) is fixed on the inner top plate of the housing (1), and the rotating motor (8-4) is connected to an external power source; the output shaft of the rotating motor (8-4) is connected to the second gear (8-3); There are several No. 2 connecting water pipes (8-5), which are arranged in a ring and connected to No. 1 connecting water pipe (8-1). Sprayer head (8-9), there are several spray heads (8-9), and each of them is connected through to the bottom of the second connecting water pipe (8-5).

8. A lead frame cleaning tank for easy loading and unloading as described in claim 7, characterized in that: The outer end of the No. 2 connecting water pipe (8-5) is welded and fixed with the No. 6 connecting rod (8-6). The upper end of the No. 6 connecting rod (8-6) is fixed with the slider (8-7). The inner top plate of the box (1) is fixed with the annular slide rail (8-8). The slider (8-7) slides on the annular slide rail (8-8).

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