Stripping mechanism for waste circuit board

Abstract

The utility model discloses a waste circuit board stripping mechanism which comprises a bottom frame, a cover plate is movably connected to the top of the bottom frame, an air heater is fixedly connected to one side of the cover plate, two reset assemblies and a fixing assembly are arranged at the joint of the cover plate and the bottom frame, a sliding groove is formed in the top of the cover plate, a sliding frame is movably connected into the sliding groove, and the fixing assembly is fixedly connected with the sliding frame. A sliding groove is formed in the sliding frame, one side of the sliding frame is fixedly connected with a one-way damper, the outer side of the one-way damper is sleeved with a spring, the two ends of the spring are fixed to the sliding frame and the sliding groove respectively, the bottom of the sliding frame is provided with a first contact, and the bottom of the sliding groove is fixedly connected with a conductive plate. According to the waste circuit board stripping device, the heating time of a hot-air blower on a waste circuit board can be adjusted by changing the position of the first contact on the current-conducting plate, a worker can directly strip a chip on the waste circuit board from the circuit board conveniently, and meanwhile the rotating angle of the cover plate can be limited through matched use of the arc-shaped groove and the fixing column.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board stripping, in particular to a waste circuit board stripping mechanism. Background Art

[0002] Circuit board is another name for circuit board. Most circuit boards are equipped with some chips, and the connection between the chip and the circuit board is mostly bonded with glue.

[0003] At present, when most of the waste circuit boards on the market are peeled, the chips will be separated first. The separation will be heated by a hot air blower to debond the chip from the circuit board. However, when using the hot air blower, most of them use a handheld hot air blower to heat the circuit board, which will cause soreness and swelling of the hands over a long period of time, thereby reducing the separation efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a waste circuit board stripping mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A waste circuit board stripping mechanism comprises a base frame, a cover plate is movably connected to the top of the base frame, a hot air blower is fixedly connected to one side of the cover plate, two reset assemblies and a fixed assembly are arranged at the connection between the cover plate and the base frame, a slide groove is provided on the top of the cover plate, a slide frame is movably connected in the slide groove, a one-way damper is fixedly connected to one side of the slide frame, a spring is sleeved on the outer side of the one-way damper, and two ends of the spring are respectively fixed to the slide frame and the slide groove, a first contact is provided at the bottom of the slide frame, a conductive plate is fixedly connected to the bottom of the slide groove, and the conductive plate can contact the first contact, a second contact is installed in the side groove of the slide frame, a conductive groove is provided on one side of the slide groove, and the second contact contacts and is slidably connected to the conductive groove.

[0007] As a further solution of the utility model, the reset assembly includes a fixed column, which is welded to the outer walls of both sides of the cover plate, and both sides of the base frame are fixedly connected with a rotating shaft, and the outer side of the rotating shaft is movably connected with a fixed plate, an arc groove is opened on one side of the fixed plate, and the fixed column is slidably connected to the arc groove, a torsion spring is sleeved on the outer side of the rotating shaft, and the two ends of the torsion spring are respectively fixed to the rotating shaft and the fixed plate.

[0008] As a further solution of the utility model, the fixing assembly includes an installation groove, which is arranged on the bottom outer wall of the cover plate, and an elastic ball is fixedly connected in the installation groove. A avoidance groove is arranged on the top of the base frame, and a stop block is movably connected inside the avoidance groove, and an arc-shaped groove is arranged on one side of the stop block.

[0009] As a further solution of the utility model, the arc-shaped groove can be engaged with the elastic ball.

[0010] As a further solution of the utility model, a placement groove is provided on the upper surface of the base frame.

[0011] As a further solution of the utility model, the hot air blower is located directly above the placement slot.

[0012] As a further solution of the utility model, the bottom outer wall of the base frame is fixedly connected with support columns, and the support columns are symmetrically distributed.

[0013] As a further solution of the present invention, the first contact and the second contact are electrically connected, and the conductive plate is electrically connected to the hot air blower.

[0014] The beneficial effects of the utility model are:

[0015] 1. By changing the position of the first contact on the conductive plate, the reset time of the spring and the one-way damper can be adjusted, and then the heating time of the hot air blower on the waste circuit board can be adjusted, which is convenient for the staff to peel the chip on the waste circuit board from the circuit board, avoiding the staff holding the hot air blower for a long time to heat the circuit board, which is time-consuming and laborious, and improves the use effect of the device.

[0016] 2. Through the coordinated use of the arc-shaped groove and the fixed column, the arc-shaped groove can limit the moving position of the fixed column, thereby limiting the rotation angle of the cover plate, thereby improving the limiting effect of the device.

[0017] 3. Through the setting of the placement slot, the placement slot can position and place the waste circuit board, so that the waste circuit board accurately corresponds to the hot air blower, avoiding repeated adjustment of the placement position of the waste circuit board, and improving the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the upper three-dimensional structure of a waste circuit board peeling mechanism proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of a waste circuit board stripping mechanism proposed by the utility model;

[0020] Figure 3 The utility model is a partially enlarged structural schematic diagram of a waste circuit board stripping mechanism.

[0021] In the figure: 1, base frame; 2, placement groove; 3, cover plate; 4, hot air blower; 5, slide groove; 6, fixing plate; 7, avoidance groove; 8, stopper; 9, arc-shaped groove; 10, torsion spring; 11, installation groove; 12, elastic ball; 13, fixing column; 14, rotating shaft; 15, arc-shaped groove; 16, spring; 17, one-way damper; 18, slide; 19, first contact; 20, second contact; 21, conductive plate; 22, conductive groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 3 A waste circuit board stripping mechanism comprises a base frame 1, a cover plate 3 is rotatably connected to the top of the base frame 1, a hot air blower 4 is fixed to one side of the cover plate 3 by bolts, two reset components and a fixing component are arranged at the connection between the cover plate 3 and the base frame 1, a slide groove 5 is arranged on the top of the cover plate 3, a slide frame 18 is slidably connected in the slide groove 5, a one-way damper 17 is fixed to one side of the slide frame 18 by bolts, a spring 16 is sleeved on the outer side of the one-way damper 17, and the two ends of the spring 16 are respectively fixed to the slide frame 18 and the slide groove 5, a first contact 19 is arranged at the bottom of the slide frame 18, a conductive plate 21 is bonded to the bottom of the slide groove 5, the length of one end of the conductive plate 21 is located on one side of the slide frame 18, and the conductive plate 21 can contact with the first contact 19, a second contact 20 is installed in the side groove of the slide frame 18, and the position of the first contact 19 on the conductive plate 21 is changed to make the spring 16 and the one-way damper contact each other. The resetting time of the damper 17 is adjusted, so that the heating time of the hot air blower 4 is adjusted. A conductive groove 22 is provided on one side of the slide groove 5, and the second contact 20 contacts and slides with the conductive groove 22 to push the slide 18 to move along the slide groove 5, so that the slide 18 drives the first contact 19 to move and contact with the conductive plate 21 until the first contact 19 moves to the required length position on the conductive plate 21. At the same time, the second contact 20 continues to contact and slide along the conductive groove 22, and the spring 16 contracts, and the one-way damper 17 contracts. At this time, the hot air blower 4 is powered on to heat the waste circuit board on the base frame 1. During the heating process, the spring 16 and the one-way damper 17 automatically rebound and drive the slide 18 to move in the opposite direction along the slide groove 5 until the first contact 19 is separated from the conductive plate 21. At this time, the hot air blower 4 is turned off and stops heating, which is convenient for the staff to peel off the waste circuit board.

[0024] In the present invention, it should be noted that the reset component includes a fixing column 13, which is welded to the outer walls of both sides of the cover plate 3, and a rotating shaft 14 is fixed to both sides of the base frame 1 by bolts, and the outer side of the rotating shaft 14 is rotatably connected to the fixing plate 6, and an arc groove 15 is provided on one side of the fixing plate 6, and the fixing column 13 is slidably connected to the arc groove 15, and the arc groove 15 can limit the moving position of the fixing column 13, thereby limiting the rotation angle of the cover plate 3, and a torsion spring 10 is sleeved on the outer side of the rotating shaft 14, and the two ends of the torsion spring 10 are respectively fixed to the rotating shaft 14 and the fixing plate 6, and the torsion spring 10 facilitates the reset of the cover plate 3, and the fixing component includes an installation groove 11, and the installation groove 11 is provided on the bottom outer wall of the cover plate 3, and an elastic ball 12 is bonded in the installation groove 11, and the top of the base frame 1 is provided with a The avoidance groove 7 has a stopper 8 connected thereto for rotation. An arc-shaped groove 9 is provided on one side of the stopper 8, and the arc-shaped groove 9 can be engaged with the elastic ball 12. The cover plate 3 is rotated downward to make the fixing column 13 move downward along the arc-shaped groove 15, and the torsion spring 10 is deformed. Then the stopper 8 is rotated to change it from a horizontal state to a vertical state, so that the elastic ball 12 is inserted into the arc-shaped groove 9, thereby fixing the position of the cover plate 3. A placement groove 2 is provided on the upper surface of the base frame 1, and the hot air blower 4 is located directly above the placement groove 2. The placement groove 2 can position and place the waste circuit board so that the waste circuit board corresponds to the hot air blower 4. The bottom outer wall of the base frame 1 is fixed with support columns by bolts, and the support columns are symmetrically distributed. The first contact 19 and the second contact 20 are electrically connected, and the conductive plate 21 is electrically connected to the hot air blower 4.

[0025] Working principle: First, connect the conductive slot 22 to the external power supply. When the waste circuit board needs to be heated, place the waste circuit board in the placement slot 2, then turn the cover plate 3 downward to make the fixing column 13 move downward along the arc groove 15, and the torsion spring 10 deforms, then turn the stopper 8 to change it from a horizontal state to a vertical state, so that the elastic ball 12 is stuck in the arc groove 9, and then the position of the cover plate 3 is fixed, and then push the slide 18 to move along the slide groove 5 until the first contact 19 moves to produce a conductive plate 21. At this time, the hot air blower 4 is energized to heat the waste circuit board in the placement slot 2. During the heating process, the spring 16 and the one-way damper 17 automatically rebound and drive the slide 18 to move in the opposite direction along the slide slot 5 until the first contact 19 is separated from the conductive plate 21. At this time, the hot air blower 4 is turned off and stops heating, which is convenient for the staff to peel the chip on the waste circuit board from the circuit board.

[0026] Finally, it should be noted that: for those skilled in the art, they can still modify the technical solutions recorded in the above embodiments, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this utility model shall be included in the protection scope of this utility model.

Claims

1. A waste circuit board stripping mechanism, comprising a base frame (1), characterized in that: The top of the base frame (1) is movably connected to a cover plate (3), one side of the cover plate (3) is fixedly connected to a hot air blower (4), the connection between the cover plate (3) and the base frame (1) is provided with two reset components and a fixed component, the top of the cover plate (3) is provided with a slide groove (5), a slide frame (18) is movably connected in the slide groove (5), one side of the slide frame (18) is fixedly connected to a one-way damper (17), the outer side of the one-way damper (17) is sleeved with a spring (16), and the spring (16) is provided with a spring (16). The two ends of the slide (6) are respectively fixed to the slide (18) and the slide groove (5), the bottom of the slide (18) is provided with a first contact (19), the bottom of the slide groove (5) is fixedly connected with a conductive plate (21), and the conductive plate (21) can contact with the first contact (19), a second contact (20) is installed in the side groove of the slide (18), a conductive groove (22) is provided on one side of the slide groove (5), and the second contact (20) contacts with the conductive groove (22) and is slidably connected.

2. A waste circuit board stripping mechanism according to claim 1, characterized in that: The reset assembly comprises a fixed column (13), the fixed column (13) being welded to the outer walls on both sides of the cover plate (3), the two sides of the base frame (1) being fixedly connected to a rotating shaft (14), the outer side of the rotating shaft (14) being movably connected to a fixed plate (6), one side of the fixed plate (6) being provided with an arc-shaped groove (15), and the fixed column (13) being slidably connected to the arc-shaped groove (15), the outer side of the rotating shaft (14) being sleeved with a torsion spring (10), and the two ends of the torsion spring (10) being respectively fixed to the rotating shaft (14) and the fixed plate (6).

3. A waste circuit board stripping mechanism according to claim 1, characterized in that: The fixing assembly comprises a mounting groove (11), the mounting groove (11) being provided on the bottom outer wall of the cover plate (3), an elastic ball (12) being fixedly connected in the mounting groove (11), a avoiding groove (7) being provided on the top of the base frame (1), a stopper (8) being movably connected inside the avoiding groove (7), and an arc-shaped groove (9) being provided on one side of the stopper (8).

4. A waste circuit board stripping mechanism according to claim 3, characterized in that: The arc-shaped groove (9) can be clamped with the elastic ball (12).

5. A waste circuit board stripping mechanism according to claim 1, characterized in that: The upper surface of the base frame (1) is provided with a placement groove (2).

6. A waste circuit board stripping mechanism according to claim 5, characterized in that: The hot air blower (4) is located directly above the placement slot (2).

7. A waste circuit board stripping mechanism according to claim 1, characterized in that: The bottom outer wall of the base frame (1) is fixedly connected with support columns, and the support columns are symmetrically distributed.

8. The waste circuit board stripping mechanism according to claim 1, characterized in that: The first contact (19) and the second contact (20) are electrically connected, and the conductive plate (21) is electrically connected to the hot air blower (4).

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