SMT (Surface Mount Technology) chip mounting jig for double-sided synchronous chip mounting

Abstract

The utility model discloses an SMT (Surface Mount Technology) chip mounting jig for double-sided synchronous chip mounting, and relates to the technical field of SMT chip mounting jigs. The PCB positioning device comprises a positioning seat, a driving block, a support arm and a clamping arm, the external shape of the positioning seat is square, the upper side, the lower side, the front side and the rear side of the positioning seat are respectively provided with a positioning groove for fixing a PCB, and a positioning plate is arranged in each positioning groove. Four PCBs needing to be machined can be fixed through the clamping arms in the four positioning grooves, and the clamping arms are matched with the driving block, the first self-locking motor, the driving gear and the gear ring to rotate and turn over the positioning base, so that the clamping arms can be matched with machining equipment to synchronously machine the two faces of the positioning base. After the front and rear sides are processed, the output shaft of the first self-locking motor drives the gear to drive the gear ring to rotate and turn over, so that the left and right sides are turned over to the front and rear sides for processing equipment to perform double-side synchronous surface mounting processing.

Description

Technical Field

[0001] The utility model belongs to the field of SMT patch jigs, and in particular relates to a double-sided synchronous mounting SMT patch jig. Background Art

[0002] SMT refers to a series of process flows performed on a PCB (Printed Circuit Board). SMT stands for surface mount technology, and is the most popular technology and process in the electronics assembly industry. Surface mount technology for electronic circuits, also known as surface mounting technology, is a circuit connection technology that involves mounting leadless or short-lead surface mount components on the surface of a printed circuit board (PCB) or other substrate, then soldering them together through methods such as reflow soldering or dip soldering. Typically, the electronic products we use are constructed from PCBs, various capacitors, resistors, and other electronic components, all designed according to a circuit diagram. Therefore, a wide variety of electrical appliances require a variety of SMT processing techniques.

[0003] Most existing SMT patch fixtures utilize a fixed structure to fix a single PCB board, so that only a single side can be processed at a time, resulting in low processing efficiency. In view of this, the present utility model is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a double-sided synchronous mounting SMT chip fixture.

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] A double-sided synchronous SMT patch fixture, comprising a positioning seat, a driving block, a support arm, and a clamping arm. The positioning seat is square in shape, with positioning slots for fixing PCB boards on the upper, lower, front, and rear sides of the positioning seat. A positioning plate is provided inside each positioning slot, and a middle portion of the positioning plate is provided with a clearance slot for two clamping arms to move horizontally.

[0007] Both sides of the positioning seat are rotatably connected to the driving blocks through a slewing bearing. A support arm is provided under each driving block. A cavity for installing a first self-locking motor is opened inside one of the driving blocks. One side of the first self-locking motor is connected to the first driver through a wire. The output shaft of the first self-locking motor passes through the cavity and is fixed to the driving gear. One side of the driving gear is meshed with a gear ring, and the gear ring is fixedly sleeved on the outside of the rotating end of one of the slewing bearings.

[0008] A controller is fixedly mounted on the outside of one of the arms.

[0009] Optionally, an electric push rod is fixedly installed inside the branch arm, the telescopic end of the electric push rod penetrates to the top of the branch arm and is fixed with a driving block, and the bottom of the driving block is fixed with a guide rod at four corners, which penetrates to the inside of the wall of the branch arm.

[0010] Optionally, each of the positioning grooves is provided with a driving cavity on one side, the driving cavity is arranged in the inside of the positioning seat, a second self-locking motor is fixedly installed in the inside of the driving cavity, the second self-locking motor is connected with a second driver through wires, the output shaft of the second self-locking motor is fixed with the end head of a double-end screw rod in the inside of the positioning groove through a shaft coupling, the other end of the double-end screw rod is rotatably connected with the side of the positioning groove through a bearing, and threaded sleeves are installed on the two ends of each double-end screw rod.

[0011] Optionally, the upper end of each threaded sleeve is fixed with the lower end of the clamping arm, a guide block is fixedly installed at the lower end of the threaded sleeve, and the guide block is movably connected with the guide rail at the lower end of the positioning groove.

[0012] Optionally, the opposite surfaces of the two clamping arms are provided with embedded grooves for mounting abutting blocks, anti-skid sleeves are sleeved on the outer surfaces of the abutting blocks, a film-coated pressure sensor is arranged between the anti-skid sleeves and the clamping arms, the film-coated pressure sensor is connected with a small display panel on the side of the positioning groove, and the upper end of the clamping arm is fixed with the abutting block through a fixing bolt.

[0013] Optionally, positioning plate bottom end insertion supporting blocks are fixedly installed at the two sides in the inside of the positioning groove, rubber rings are sleeved on the bottom ends of the positioning plates, and the bottom ends of the positioning plates and the supporting blocks are fixed through limiting bolts.

[0014] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art.

[0015] The clamping arms in the four positioning grooves can fix the four PCBs to be machined, and the driving block, the first self-locking motor, the driving gear and the gear ring can rotate and turn over the positioning seat, so that the positioning seat can be synchronously machined on two sides by the machining equipment, that is, the first self-locking motor drives the gear to rotate and turn over the gear ring, so that the left and right sides are turned over to the front and rear sides for synchronous patch machining by the machining equipment.

[0016] The specific embodiments of the present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings. In the drawings:

[0018] Figure 1 It is a schematic diagram of the front view cross-sectional structure of the utility model;

[0019] Figure 2 It is a combined part structure diagram of the clamping arm, the abutting block and the anti-skid sleeve in the utility model;

[0020] Figure 3 It is a schematic diagram of the A part structure in Figure 1

[0021] Figure 4 It is a schematic diagram of the B part structure in Figure 1

[0022] Figure 5 It is a schematic diagram of the C part structure in Figure 1

[0023] Figure 6 It is a schematic diagram of the D part structure in Figure 1

[0024] Figure 7 It is a schematic diagram of the E part structure in Figure 2

[0025] In the drawings, the component list represented by each mark is as follows:

[0026] 1, positioning seat; 2, positioning groove; 3, clamping arm; 4, let go of the slot; 5, rotary support; 6, driving block; 7, support arm; 8, first self-locking motor; 9, first driver; 10, driving gear; 11, gear ring; 12, controller; 13, electric push rod; 14, guide rod; 15, second self-locking motor; 16, second driver; 17, double-headed screw; 18, threaded sleeve; 19, guide block; 20, guide rail; 21, abutting block; 22, anti-skid sleeve; 23, film-coated pressure sensor; 24, small display panel; 25, supporting block; 26, rubber ring; 27, limit bolt; 28, dust organ case.

[0027] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0028] The utility model will be further described in detail in combination with the drawings.

[0029] Please refer to Figures 1 to 7 ​​​​​The utility model provides a technical scheme: a kind of double-sided synchronous mounting SMT patch jig, including positioning seat 1, drive block 6, support arm 7 and clamping arm 3, the external shape of positioning seat 1 is square, and positioning groove 2 for the fixation of PCB board is set in the upside, downside, front side and rear side of positioning seat 1, the inside of each positioning groove 2 is equipped with positioning plate, and two clamping arms 3 horizontal moving are provided in the middle part of positioning plate Lettuce slot 4 is set;

[0030] The both sides of positioning seat 1 are rotatably connected with drive block 6 by rotary support 5, and the lower side of each drive block 6 is equipped with support arm 7, the inside of one drive block 6 is equipped with cavity for the installation of first self-locking motor 8, and the side of first self-locking motor 8 is connected with first driver 9 by wire, and the output shaft of first self-locking motor 8 penetrates cavity and is fixed with drive gear 10, and the side of drive gear 10 is meshed with gear ring 11, and gear ring 11 is fixedly sleeved on the rotating end outside of one side rotary support 5;

[0031] The outside of one support arm 7 is fixedly installed with controller 12, and the inside of four positioning grooves 2 can be fixed to four PCB boards needing processing, and cooperate drive block 6, first self-locking motor 8, drive gear 10 and gear ring 11 to rotate the surface of positioning seat 1, so that the double-sided synchronous processing of positioning seat 1 can be carried out with processing equipment, i.e. after the front and rear sides are processed, the output shaft of first self-locking motor 8 drives gear ring 11 to rotate and turn over, so that the left and right sides are turned over to the front and rear sides for the double-sided synchronous patch processing of processing equipment.

[0032] Wherein, the inside of support arm 7 is fixedly installed with electric push rod 13, and the telescopic end of electric push rod 13 penetrates to the top of support arm 7 and is fixed with drive block 6, and the bottom of drive block 6 is fixed with guide rod 14, and guide rod 14 penetrates to the wall body inside of support arm 7, and drive block 6 is driven to lift by setting electric push rod 13, in order to ensure that drive block 6 rises stably, and guide rod 14 is used to prevent position deviation when drive block 6 rises, so that the device is adjusted to the height of PCB board for the convenience of worker.

[0033] Wherein, one side of each positioning groove 2 is provided with a drive cavity, the drive cavity is opened in the inside of the positioning base 1, the inside of the drive cavity is fixedly installed with a second self-locking motor 15, the second self-locking motor 15 is connected with a second driver 16 through wires, the output shaft of the second self-locking motor 15 is fixed with the end of a double-headed screw rod 17 in the inside of the positioning groove 2 through a shaft coupling, the other end of the double-headed screw rod 17 is rotatably connected with the side of the positioning groove 2 through a bearing, the outside of the two ends of each double-headed screw rod 17 is installed with a threaded sleeve 18, the second self-locking motor 15 is arranged to drive the double-headed screw rod 17, when the double-headed screw rod 17 rotates, the two threaded sleeves 18 will move synchronously, and the movement will be guided through the cooperation of a guide block 19 and a guide rail.

[0034] Wherein, the upper end of each threaded sleeve 18 is fixed with the lower end of the clamping arm 3, the lower end of the threaded sleeve 18 is fixedly installed with the guide block 19, and the guide block 19 is movably connected with the guide rail 20 at the lower end of the positioning groove 2, the guide block 19 and the guide rail 20 are arranged to guide the threaded sleeve 18, so that the threaded sleeve 18 does not rotate synchronously when the double-headed screw rod 17 rotates.

[0035] Wherein, the opposite surfaces of the two clamping arms 3 are provided with embedded grooves for installing abutting blocks 21, the outer surfaces of the abutting blocks 21 are sleeved with anti-skid sleeves 22, and a film-coated pressure sensor 23 is arranged between the anti-skid sleeves 22 and the clamping arms 3, the film-coated pressure sensor 23 is connected with a small display panel 24 at the side of the positioning groove 2, the upper end of the clamping arm 3 is fixed with the abutting block 21 through a fixing bolt, the film-coated pressure sensor 23 and the small display panel 24 are arranged to detect whether the clamping arm 3 clamps the PCB board, when the clamping arm 3 abuts against the PCB board, the film-coated pressure sensor 23 between the clamping arm 3 and the anti-skid sleeve 22 obtains pressure data, and the small display panel 24 displays the reading.

[0036] Wherein, the inside of the positioning groove 2 is fixedly installed with positioning plate bottom end plug-in supporting blocks 25 on both sides, the outside of the bottom end of the positioning plate is sleeved with rubber rings 26, and the bottom end of the positioning plate and the supporting blocks 25 are fixed through limiting bolts 27, the inside of the accommodation groove 4 is provided with a dust organ case 28, and the two ends of the dust organ case 28 are fixed with the positioning groove 2 and the clamping arm 3, respectively, the limiting bolts 27 are arranged to fix the supporting blocks 25 and the positioning plate, the threaded connection facilitates the maintenance of the double-headed screw rod 17, the threaded sleeve 18 and the guide rail 20 by workers later, and the existence of the dust organ case 28 prevents dust from entering the surface of the double-headed screw rod 17 or the guide rail 20 from the accommodation groove 4 when the clamping arm 3 moves, which affects the transmission.

[0037] The utility model is not limited to the above-mentioned embodiment, any person should know the structure change made under the inspiration of the utility model, any technical scheme with the same or similar to the utility model falls into the protection scope of the utility model. The utility model is not described in detail the technology, shape, structure part is the known technology.

Claims

1. A double-sided synchronous mounting SMT patch jig, comprising a positioning seat (1), a driving block (6), a supporting arm (7) and a clamping arm (3), characterized in that, The external shape of the positioning seat (1) is square, positioning grooves (2) for fixing the PCB are arranged on the upper side, the lower side, the front side and the rear side of the positioning seat (1), and a positioning plate is arranged in each positioning groove (2); a clearance groove (4) for horizontal movement of two clamping arms (3) is arranged in the middle of the positioning plate; Both sides of the positioning seat (1) are rotationally connected with driving blocks (6) through rotary supports (5), a supporting arm (7) is arranged below each driving block (6), a cavity for mounting a first self-locking motor (8) is arranged in the inside of one of the driving blocks (6), one side of the first self-locking motor (8) is connected with a first driver (9) through wires, the output shaft of the first self-locking motor (8) penetrates the cavity and is fixed with a driving gear (10), one side of the driving gear (10) is meshingly connected with a tooth ring (11), and the tooth ring (11) is fixedly sleeved on the outside of the rotating end of one of the rotary supports (5). A controller (12) is fixedly mounted on the outside of one of the supporting arms (7).

2. The double-sided synchronous mounting SMT patch jig according to claim 1, characterized in that, An electric push rod (13) is fixedly mounted in the inside of the supporting arm (7), the telescopic end of the electric push rod (13) penetrates to the top of the supporting arm (7) and is fixed with the driving block (6), and a guide rod (14) is fixed on the bottom of the driving block (6).

3. The double-sided synchronous mounting SMT patch jig according to claim 1, characterized in that, A driving cavity is arranged on one side of each positioning groove (2), the driving cavity is arranged in the inside of the positioning seat (1), a second self-locking motor (15) is fixedly mounted in the inside of the driving cavity, the second self-locking motor (15) is connected with a second driver (16) through wires, the output shaft of the second self-locking motor (15) is fixed with the end of a double-head screw rod (17) in the inside of the positioning groove (2) through a shaft coupling, the other end of the double-head screw rod (17) is rotationally connected with the side of the positioning groove (2) through a bearing, and a threaded sleeve (18) is mounted on the outside of the two ends of each double-head screw rod (17).

4. The double-sided synchronous mounting SMT patch jig according to claim 3, characterized in that, The upper end of each threaded sleeve (18) is fixed with the lower end of the clamping arm (3), a guide block (19) is fixedly mounted on the lower end of the threaded sleeve (18), and the guide block (19) is movably connected with a guide rail (20) at the lower end of the positioning groove (2).

5. The double-sided synchronous mounting SMT patch jig according to claim 1, characterized in that, An embedding groove for mounting an abutting block (21) is arranged on the opposite surface of each clamping arm (3), an antiskid sleeve (22) is sleeved on the outer surface of the abutting block (21), a film-coated pressure sensor (23) is arranged between the antiskid sleeve (22) and the clamping arm (3), the film-coated pressure sensor (23) is connected with a small display panel (24) on the side of the positioning groove (2), and the upper end of the clamping arm (3) is fixed with the abutting block (21) through a fixing bolt.

6. The double-sided synchronous mounting SMT patch jig according to claim 1, characterized in that, A positioning plate bottom end plug-in supporting block (25) is fixedly mounted on both sides in the inside of the positioning groove (2), a rubber ring (26) is sleeved on the outside of the bottom end of the positioning plate, the bottom end of the positioning plate and the supporting block (25) are fixed through a limiting bolt (27), and a dustproof piano cover (28) is arranged in the inside of the clearance groove (4), and both ends of the dustproof piano cover (28) are fixed with the positioning groove (2) and the clamping arm (3).

Images