Welding device for circuit board processing

Abstract

The invention discloses a circuit board processing welding device which comprises a rack, a driven gear is movably mounted on the rack through a rotating shaft and a bearing seat, a driving gear is mounted at the bottom of the driven gear, and a rotating shaft of the driving gear and an output shaft of a stepping motor are fixed through a coupler. And a base is screwed at the bottom of the stepping motor. According to the welding device for circuit board machining, an output shaft of a stepping motor drives a driving gear to rotate and drives a driven gear to rotate, the driven gear is fixedly connected with a lower fixing base and an upper fixing base, the lower fixing base, the upper fixing base and a butt joint piece drive a clamping and overturning assembly to rotate by 180 degrees, and the work of overturning a circuit board is completed; compared with manual turn-over, the circuit board turn-over device has the advantages that the circuit board does not need to be taken down from a clamp and re-installed after turn-over, and time needed by turn-over is greatly shortened.

Description

Technical Field

[0001] The invention relates to the field of circuit board processing equipment, in particular to a welding device for circuit board processing. Background Art

[0002] Integrated circuit boards are made using semiconductor manufacturing technology. Many transistors, resistors, capacitors and other components are made on a small single-crystal silicon wafer, and the components are combined into a complete electronic circuit using multi-layer wiring or tunnel wiring methods. In the production process of integrated circuit boards, welding equipment is required to weld electronic components on the integrated circuit boards.

[0003] Regarding the patent of the welding device for processing integrated circuit boards, after searching, the patent with the publication number CN221891224U discloses a welding device for processing integrated circuit boards, which includes a placing plate arranged above the operating table, a welding device arranged above the operating table, and the welding device including a material discharge part;

[0004] Although the above-mentioned device can clamp the integrated circuit board and then perform welding operations on it through welding components, in actual use, only the surface of the integrated circuit can be welded. When the back of the integrated circuit needs to be welded, the integrated circuit can only be removed and turned over and installed on the placement board. The process of removing and reinstalling the integrated circuit is relatively cumbersome; each turning operation involves disassembly and repositioning, which greatly increases the operation time; in scenarios of large-scale production or rapid maintenance, this inefficient operation method will seriously affect the overall work progress. Summary of the invention

[0005] The object of the present invention is to provide a welding device for processing a circuit board to solve the defects mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, a welding device for circuit board processing is provided, comprising a frame, on which a driven gear is movably mounted via a rotating shaft and a bearing seat, and a driving gear is mounted at the bottom of the driven gear, the rotating shaft of the driving gear and the output shaft of a stepper motor are fixed via a coupling, a base is screwed onto the bottom of the stepper motor, an upper fixed seat and a lower fixed seat are movably mounted on the rotating shaft of the driving gear via a bearing, a docking piece is screwed onto the end of the upper fixed seat, and a clamping and flipping assembly is screwed onto the outer side of the docking piece.

[0007] As an improvement of the above scheme, the sizes of the driving gear and the driven gear are adapted, the driving gear and the driven gear are meshed and connected, and at the same time, a lower fixed seat and an upper fixed seat are installed on both sides of the rotating shaft of the driven gear, and the lower fixed seat and the upper fixed seat are combined together into a "U" shape.

[0008] As an improvement of the above solution, connecting seats are screwed on both sides of the frame, and connecting plates are screwed and fixed on the outer sides of the two groups of connecting seats. Guide frames are fixed on the outer sides of the connecting plates, and guide frames are installed on the outer sides of the two groups of connecting plates.

[0009] As an improvement on the above scheme, both sets of guide frames are "C"-shaped structures made of metal material. A guide opening is opened inside the guide frame, and the guide opening is arc-shaped. A guide column is movably installed inside the guide opening. The guide column passes through the guide opening on the guide frame and is limited by a circular limit plate screwed inside.

[0010] As an improvement of the above solution, the clamping and flipping assembly is driven to rotate by a stepping motor, a driving gear and a driven gear, and the flipping angle range of the clamping and flipping assembly is 0-180 degrees.

[0011] As an improvement of the above-mentioned scheme, the clamping and flipping assembly includes an outer frame, a first clamping seat, a second clamping seat, a rotating shaft and a first guide plate, and the outer frame is a rectangular structure made of metal material, and the first clamping seat and the second clamping seat are movably installed inside the outer frame, and the first clamping seat and the second clamping seat are both "U"-shaped.

[0012] As an improvement of the above solution, clamping grooves are provided on the inner walls of the first clamping seat and the second clamping seat, and a driving block is fixedly provided at one end of the first clamping seat and the second clamping seat, and a guide block is fixedly provided at the other end of the first clamping seat and the second clamping seat.

[0013] As an improvement of the above-mentioned scheme, two groups of parallel first guide plates and second guide plates are respectively installed on both sides of the interior of the outer frame, and the two groups of first guide plates pass through the two groups of guide holes opened inside the driving blocks at the ends of the first clamping seat and the second clamping seat; the two groups of second guide plates pass through the two groups of guide holes opened inside the guide blocks at the ends of the first clamping seat and the second clamping seat.

[0014] As an improvement of the above solution, both ends of the first guide plate and the second guide plate are fixed with fixing plates, and the bottom of the fixing plate is fixed on the inner wall of the outer frame. At the same time, the first clamping seat and the second clamping seat inside the outer frame are synchronous opposite movement structures.

[0015] As an improvement of the above-mentioned solution, a rotating shaft is movably installed on the left side of the inner part of the outer frame through a bearing, and a second screw and a first screw are respectively installed on the rotating shaft. The second screw and the first screw are respectively installed inside the driving blocks at the ends of the first clamping seat and the second clamping seat, and the end of the rotating shaft passes through the outer frame through a bearing and is fixedly connected to the knob.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention drives the driving gear to rotate through the output shaft of the stepping motor, drives the driven gear to rotate, the driven gear is fixedly connected with the lower fixing seat and the upper fixing seat, and drives the clamping and flipping assembly to rotate 180 degrees through the lower fixing seat, the upper fixing seat and the docking piece to complete the work of flipping the circuit board; the accurate flipping operation of the circuit board is realized, compared with manual flipping, there is no need to remove the circuit board from the fixture and reinstall it after flipping, which greatly reduces the time required for flipping;

[0018] 2. In order to ensure the stability of the clamping and flipping assembly during rotation and the accuracy of rotating 180 degrees, the present invention has a guide column that passes through a guide port on the guide frame and is limited by a circular limit plate screwed inside. This can limit and guide the clamping and flipping assembly during movement to prevent the clamping and flipping assembly from tilting during movement and ensure that the clamping and flipping assembly is still horizontal after flipping, which is convenient for workers to improve welding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a front view schematic diagram of the structure of the present invention;

[0021] Figure 2 for Figure 1 Bottom view of

[0022] Figure 3 for Figure 1 A top view of

[0023] Figure 4 for Figure 1 Rear view of

[0024] Figure 5 It is a schematic diagram of the clamping and flipping assembly and its installation structure;

[0025] Figure 6 for Figure 5 Side view of

[0026] Figure 7 for Figure 5 A top view of

[0027] Figure 8 It is a schematic diagram of the structure of the clamping and flipping assembly;

[0028] Fig. 9It is a cross-sectional view of the clamping and flipping assembly;

[0029] Fig.10 for Fig. 9 Top view of the .

[0030] The following are the descriptions of the reference numerals:

[0031] 1. Stepper motor; 2. Machine base; 3. Driving gear; 4. Driven gear; 5. Machine frame; 6. Connecting seat; 7. Connecting plate; 8. Guide frame; 81. Guide port; 9. Lower fixed seat; 10. Upper fixed seat; 11. Docking plate; 12. Clamping and flipping assembly; 120. Outer frame; 1201. Guide column; 1202. Limiting plate; 121. First clamping seat; 122. Second clamping seat; 1221. Driving block; 1222. Clamping groove; 1223. Guide block; 123. Rotating shaft; 1231. Second screw; 1232. First screw; 1233. Knob; 124. First guide plate; 1241. Second guide plate; 1242. Fixed plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] Specific implementation method 1: Please refer to Figure 1-4 The present invention provides a technical solution: a welding device for circuit board processing, comprising a frame 5, a driven gear 4 is movably mounted on the frame 5 through a rotating shaft and a bearing seat, and a driving gear 3 is mounted on the bottom of the driven gear 4, the rotating shaft of the driving gear 3 and the output shaft of the stepping motor 1 are fixed through a coupling, a frame 2 is screwed on the bottom of the stepping motor 1, an upper fixed seat 10 and a lower fixed seat 9 are movably mounted on the rotating shaft of the driving gear 3 through a bearing, and a docking piece 11 is screwed on the end of the upper fixed seat 10, and a clamping flip assembly 12 is screwed on the outer side of the docking piece 11.

[0037] like Figure 5 , Figure 6 and Figure 7 As shown, specific implementation mode 2: This implementation mode is a further limitation of specific implementation mode 1, the sizes of the driving gear 3 and the driven gear 4 are adapted, the driving gear 3 and the driven gear 4 are meshed and connected, and at the same time, a lower fixed seat 9 and an upper fixed seat 10 are installed on both sides of the rotating shaft of the driven gear 4, and the lower fixed seat 9 and the upper fixed seat 10 are combined together into a "U" shape.

[0038] like Figure 3 and Figure 4 As shown, specific implementation method three: This implementation method is a further limitation of specific implementation method one, connecting seats 6 are screwed on both sides of the frame 5, and connecting plates 7 are screwed and fixed on the outer sides of the two groups of connecting seats 6, and guide frames 8 are fixed on the outer sides of the connecting plates 7, and guide frames 8 are installed on the outer sides of the two groups of connecting plates 7.

[0039] like Figure 2 , Figure 3 and Figure 7As shown, specific implementation mode four: This implementation mode is a further limitation of specific implementation mode three. Both sets of guide frames 8 are "C"-shaped structures made of metal material. A guide opening 81 is opened inside the guide frame 8. The guide opening 81 is arc-shaped. A guide column 1201 is movably installed inside the guide opening 81. The guide column 1201 passes through the guide opening 81 on the guide frame 8 and is limited by a circular limiting piece 1202 screwed inside.

[0040] Working principle: When it is actually used, the circuit board to be soldered is clamped on the clamping and flipping assembly 12, and the circuit board is clamped and fixed by the clamping and flipping assembly 12 to ensure the stability of the circuit board surface during force soldering; when soldering, the circuit board is clamped and fixed by the clamping and flipping assembly 12, and its surface is set horizontally. In the specific soldering process: a pointed electric soldering iron with a power of 20-30W is selected, and the solder wire usually uses a lead solder wire or a lead-free solder wire with a tin content of 60%-63%, And using flux such as rosin can improve the welding quality and clean the welding surface; when the welding of the surface of the circuit board is completed, it is necessary to operate the welding work on the other side of the circuit board. At this time, the external switch of the stepper motor 1 is started, and the output shaft of the stepper motor 1 drives the driving gear 3 to rotate, the driving gear 3 is meshed with the driven gear 4, and drives the driven gear 4 to rotate, and the driven gear 4 is fixedly connected with the lower fixed seat 9 and the upper fixed seat 10, and the clamping flip assembly 12 is driven by the lower fixed seat 9, the upper fixed seat 10 and the docking piece 11. The circuit board is rotated 180 degrees to complete the work of turning over the circuit board; the accurate turning over of the circuit board is achieved. Compared with manual turning over, there is no need to remove the circuit board from the fixture and reinstall it after turning it over, which greatly reduces the time required for turning over; in large-scale assembly line production, the time savings are very considerable; the purpose of reducing labor costs is achieved; when the clamping and flipping component 12 is actually rotated, in order to ensure the stability of the clamping and flipping component 12 during rotation and the accuracy of rotating 180 degrees, guide columns 1201 are installed on both sides of the end of the clamping and flipping component 12, and the guide columns 1201 pass through the guide opening 81 on the guide frame 8 and are limited by the circular limiting piece 1202 screwed therein, so that when the clamping and flipping component 12 rotates, the guide column 1201 is slidably set inside the guide opening 81, which can limit and guide the clamping and flipping component 12 during movement, avoid the clamping and flipping component 12 from tilting during movement, and ensure that the clamping and flipping component 12 is still level after the flipping is completed, which is convenient for the staff to improve the welding work.

[0041] like Figure 7 , Figure 8 and Fig. 9As shown, Specific Embodiment 5: This embodiment is a further limitation of Specific Embodiment 1, the clamping and flipping assembly 12 is driven to rotate by the stepping motor 1, the driving gear 3 and the driven gear 4, and the flipping angle range of the clamping and flipping assembly 12 is 0-180 degrees.

[0042] like Figure 7 , Figure 8 , Fig. 9 and Fig.10 As shown, specific embodiment six: This embodiment is a further limitation of specific embodiment five, the clamping and flipping assembly 12 includes an outer frame 120, a first clamping seat 121, a second clamping seat 122, a rotating shaft 123 and a first guide plate 124, and the outer frame 120 is a rectangular structure made of metal material, and the first clamping seat 121 and the second clamping seat 122 are movably installed inside the outer frame 120, and the first clamping seat 121 and the second clamping seat 122 are both "U"-shaped.

[0043] like Figure 8 , Fig. 9 and Fig.10 As shown, specific embodiment seven: This embodiment is a further limitation of specific embodiment six, and a clamping groove 1222 is provided on the inner wall of the first clamping seat 121 and the second clamping seat 122, and a driving block 1221 is fixedly provided at one end of the first clamping seat 121 and the second clamping seat 122, and a guide block 1223 is fixedly provided at the other end of the first clamping seat 121 and the second clamping seat 122.

[0044] like Figure 8 As shown, specific embodiment eight: This embodiment is a further limitation of any one of specific embodiments six or seven, and two groups of parallel first guide plates 124 and second guide plates 1241 are respectively installed on both sides of the interior of the outer frame 120, and the two groups of first guide plates 124 both pass through the two groups of guide holes opened in the driving block 1221 at the end of the first clamping seat 121 and the second clamping seat 122; the two groups of second guide plates 1241 both pass through the two groups of guide holes opened in the guide block 1223 at the end of the first clamping seat 121 and the second clamping seat 122.

[0045] like Figure 8 As shown, specific embodiment nine: This embodiment is a further limitation of specific embodiment eight, both ends of the first guide plate 124 and the second guide plate 1241 are fixedly provided with fixing plates 1242, and the bottom of the fixing plate 1242 is fixedly provided on the inner wall of the outer frame 120, and at the same time, the first clamping seat 121 and the second clamping seat 122 inside the outer frame 120 are synchronous opposite motion structures.

[0046] like Figure 8 and Fig. 9As shown, specific embodiment ten: This embodiment is a further limitation of specific embodiment nine, a rotating shaft 123 is movably installed on the left side of the inner part of the outer frame 120 through a bearing, and a second screw 1231 and a first screw 1232 are respectively installed on the rotating shaft 123, the second screw 1231 and the first screw 1232 are respectively installed inside the driving block 1221 at the end of the first clamping seat 121 and the second clamping seat 122, and the end of the rotating shaft 123 passes through the outer frame 120 through a bearing and is fixedly connected to the knob 1233.

[0047] When the clamping and flipping assembly 12 is actually used, the circuit board to be soldered is placed between the first clamping seat 121 and the second clamping seat 122. The inner walls of the first clamping seat 121 and the second clamping seat 122 are both provided with clamping grooves 1222. At this time, the knob 1233 is rotated, and the knob 1233 drives the second screw 1231 and the first screw 1232 to rotate synchronously through the rotating shaft 123. Since the second screw 1231 and the first screw 1232 are respectively installed on one side of the first clamping seat 121 and the second clamping seat 122, they can drive the first clamping seat 121 and the second clamping seat 122 to move synchronously toward each other; when the first clamping seat 121 and the second clamping seat 122 move inward synchronously, the circuit board is completed. clamping and fixing work; when the first clamping seat 121 and the second clamping seat 122 move outward synchronously, the circuit board is released; a rubber pad can be bonded and fixed on the inner wall of the clamping groove 1222, and the rubber pad can provide an elastic buffer space when clamping the circuit board to avoid clamping damage to the circuit board; when the first clamping seat 121 and the second clamping seat 122 move toward each other synchronously, the first clamping seat 121 and the second clamping seat 122 are respectively interspersed with a first guide piece 124 and a second guide piece 1241 on both sides, which can limit and guide the first clamping seat 121 and the second clamping seat 122 during movement, so as to ensure the stability of the first clamping seat 121 and the second clamping seat 122 during movement.

[0048] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A welding device for processing a circuit board, comprising a frame (5), characterized in that: A driven gear (4) is movably mounted on the frame (5) via a rotating shaft and a bearing seat, and a driving gear (3) is mounted at the bottom of the driven gear (4), the rotating shaft of the driving gear (3) and the output shaft of the stepping motor (1) are fixed via a coupling, the bottom of the stepping motor (1) is screwed with a base (2), an upper fixing seat (10) and a lower fixing seat (9) are movably mounted on the rotating shaft of the driving gear (3) via a bearing, and a docking piece (11) is screwed on the end of the upper fixing seat (10), and a clamping and flipping assembly (12) is screwed on the outer side of the docking piece (11).

2. A welding device for circuit board processing as claimed in claim 1, characterized in that: The sizes of the driving gear (3) and the driven gear (4) are matched, the driving gear (3) and the driven gear (4) are meshed and connected, and at the same time, a lower fixing seat (9) and an upper fixing seat (10) are installed on both sides of the rotating shaft of the driven gear (4), and the lower fixing seat (9) and the upper fixing seat (10) are combined together to form a "U" shape.

3. A welding device for processing a circuit board as claimed in claim 1, characterized in that: Connecting seats (6) are screwed and installed on both sides of the frame (5), and connecting plates (7) are screwed and fixed on the outer sides of the two groups of connecting seats (6), and guide frames (8) are fixedly arranged on the outer sides of the connecting plates (7), and guide frames (8) are installed on the outer sides of the two groups of connecting plates (7).

4. A welding device for processing a circuit board as claimed in claim 3, characterized in that: The two sets of guide frames (8) are both "C"-shaped structures made of metal material. A guide opening (81) is provided inside the guide frame (8). The guide opening (81) is arranged in an arc shape. A guide column (1201) is movably installed inside the guide opening (81). The guide column (1201) passes through the guide opening (81) on the guide frame (8) and is limited by a circular limiting piece (1202) screwed inside.

5. A circuit board processing welding device as claimed in claim 1, characterized in that: The clamping and flipping assembly (12) is driven to rotate by a stepping motor (1), a driving gear (3) and a driven gear (4), and the flipping angle range of the clamping and flipping assembly (12) is 0-180 degrees.

6. A circuit board processing welding device as claimed in claim 5, characterized in that: The clamping and flipping assembly (12) comprises an outer frame (120), a first clamping seat (121), a second clamping seat (122), a rotating shaft (123) and a first guide plate (124), and the outer frame (120) is a rectangular structure made of metal material, and the first clamping seat (121) and the second clamping seat (122) are movably installed inside the outer frame (120), and the first clamping seat (121) and the second clamping seat (122) are both arranged in a "U" shape.

7. A circuit board processing welding device as claimed in claim 6, characterized in that: A clamping groove (1222) is provided on the inner wall of the first clamping seat (121) and the second clamping seat (122), and a driving block (1221) is fixedly provided at one end of the first clamping seat (121) and the second clamping seat (122), and a guide block (1223) is fixedly provided at the other end of the first clamping seat (121) and the second clamping seat (122).

8. A circuit board processing welding device as claimed in any one of claims 6 or 7, characterized in that: Two sets of first guide plates (124) and second guide plates (1241) are respectively installed on both sides of the interior of the outer frame (120), and the two sets of first guide plates (124) pass through two sets of guide holes opened inside the driving blocks (1221) at the ends of the first clamping seat (121) and the second clamping seat (122); the two sets of second guide plates (1241) pass through two sets of guide holes opened inside the guide blocks (1223) at the ends of the first clamping seat (121) and the second clamping seat (122).

9. A circuit board processing welding device as claimed in claim 8, characterized in that: Both ends of the first guide plate (124) and the second guide plate (1241) are fixedly provided with fixing plates (1242), and the bottom of the fixing plate (1242) is fixedly provided on the inner wall of the outer frame (120), and the first clamping seat (121) and the second clamping seat (122) inside the outer frame (120) are synchronously moved toward each other.

10. A circuit board processing welding device as claimed in claim 9, characterized in that: A rotating shaft (123) is movably mounted on the left side of the inner part of the outer frame (120) via a bearing, and a second screw rod (1231) and a first screw rod (1232) are respectively mounted on the rotating shaft (123); the second screw rod (1231) and the first screw rod (1232) are respectively mounted inside the driving block (1221) at the ends of the first clamping seat (121) and the second clamping seat (122); the end of the rotating shaft (123) passes through the outer frame (120) via a bearing and is fixedly connected to the knob (1233).

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