Chip mounter convenient for fixing circuit board

Abstract

The utility model discloses a chip mounter convenient for fixing a circuit board, which relates to the technical field of chip mounters and comprises a first box body, a second box body fixed at the top of the first box body, a bottom plate fixed at the bottom in the second box body, a fixing assembly arranged on the bottom plate, and a chip mounting assembly arranged at the top in the second box body. A circuit board is placed in the fixing assembly, the circuit board is clamped and fixed through the two pressing blocks by loosening a pull rod under the action force of the telescopic spring through cooperation of the fixing block, the telescopic spring and the pressing blocks, the circuit board cannot be damaged due to too large pressure when the circuit board is clamped and fixed through cooperation of a rubber pad and a groove, a transmission motor is started, and the circuit board is prevented from being damaged. And the output end of the transmission motor drives the limiting block and the device below the limiting block to move along the direction of the screw rod, so that the chip mounting device can move horizontally, and the technical problem that the circuit board deviates or shakes during fixed chip mounting is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of chip mounters, in particular to a chip mounter which is convenient for fixing a circuit board. Background Art

[0002] The SMT machine is an automated equipment used for assembling electronic circuit boards. A clamp is used to firmly clamp the circuit board on the workbench of the SMT machine. The clamp is usually composed of an adjustable clamp seat and a clamp arm, which can be adjusted according to the size of the circuit board. This method is suitable for larger circuit boards and can provide stable support. A vacuum hole is set on the workbench of the SMT machine to generate negative pressure so that the circuit board is tightly adsorbed on the workbench. This method is suitable for smaller circuit boards and can provide good stability and precision.

[0003] The existing patent (publication number: CN212064522U) proposes a placement machine that is convenient for fixing circuit boards. The placement machine that is convenient for fixing circuit boards can firmly clamp and fix the circuit boards through fixed clamping blocks when the circuit boards are being processed, thereby facilitating the processing of the circuit boards.

[0004] The above-mentioned chip mounter that is convenient for fixing circuit boards includes a chip mounter main body, a workbench is provided on the chip mounter main body, and a power mechanism is installed on the upper end of the workbench, and a chip mount mechanism is installed on the power mechanism, a fixing groove is provided on the chip mounter main body, and the fixing groove is a U-shaped structure, chain transmission mechanisms are installed on both sides of the inner groove of the fixing groove, and a circuit board is placed on the upper end of the chain transmission mechanism, grooves are opened on both sides of the U-shaped structure of the fixing groove, and a fixing clamp is clamped in the groove of the fixing groove, one end of the fixing clamp is connected to a hydraulic cylinder through a connecting piece, and an installation fixing block is provided at the lower end of the hydraulic cylinder, the lower end of the U-shaped groove of the fixing groove is evenly connected to support rods, and a support plate is provided at the upper end of the support rods, not only the circuit board will be offset or shaken when fixing the patch, but also the patch device is easily damaged when not in use, so the utility model proposes a chip mounter that is convenient for fixing the circuit board to solve the above-mentioned problems. Utility Model Content

[0005] The utility model provides a chip mounter which is convenient for fixing a circuit board, and solves the technical problems that the circuit board will deviate or shake when fixing the chip and the chip mounter is easily damaged when not in use.

[0006] In order to solve the above technical problems, the utility model provides a chip mounter for fixing a circuit board, comprising a first box body, a second box body is fixed on the top of the first box body, a bottom plate is fixed on the bottom of the second box body, a fixing component is arranged on the bottom plate, and a chip mount component is arranged on the top of the second box body;

[0007] The fixing assembly comprises a fixing block, a telescopic spring is fixedly connected to the fixing block, a pressure block is fixedly connected to the other end of the telescopic spring, a rubber pad is fixed to the side of the pressure block away from the telescopic spring, a groove is provided on the side of the rubber pad away from the pressure block, and a pull rod is fixed to the pressure block;

[0008] The patch assembly comprises a transmission motor, the output end of the transmission motor is fixedly connected with a lead screw, a limit block is arranged on the lead screw, a protective shell is fixed at the bottom of the limit block, and a patch device is arranged in the protective shell.

[0009] The above technical solution is adopted: the pull rod is pulled to place the circuit board in the fixed component, and through the cooperation of the fixed block, the telescopic spring and the pressure block, due to the force of the telescopic spring, the pull rod is loosened so that the two pressure blocks clamp and fix the circuit board, and through the cooperation of the rubber pad and the groove, the circuit board will not be damaged due to excessive pressure when it is clamped and fixed, and the transmission motor is started. The output end of the transmission motor drives the limit block and the device under the limit block to move along the direction of the screw rod, so that the patch device can move horizontally.

[0010] Preferably, the pull rod is slidably connected to the fixed block, a protective cover is fixed between the telescopic spring and the pressure block, the protective cover is sleeved on the outside of the telescopic spring, a first pressure plate is fixed on the side of the bottom plate close to the rubber pad, and an air hole is opened on the first pressure plate.

[0011] The above technical solution is adopted: the protective cover is set to prevent the telescopic spring from contacting the circuit board, thereby damaging the circuit board, and the protective cover can protect the telescopic spring, so that the service life of the telescopic spring can be extended. The first pressing plate is set to buffer the circuit board during patching to prevent damage to the circuit board during patching, and the air holes are set to allow dust on the circuit board to be sucked away from the air holes.

[0012] Preferably, a thread groove is provided on the limit block, the thread groove is threadedly connected to the screw rod, a sliding groove is provided in the protective shell, and an electric telescopic rod is fixed to the top of the protective shell.

[0013] The above technical solution is adopted: when it is necessary to patch the circuit board, the electric telescopic rod is started, and the output end of the electric telescopic rod pushes the second pressure plate to move downward, and the patch device at the bottom of the second pressure plate is pushed downward to the surface of the circuit board, so that the circuit board can be patched; when the patch device does not need to work, the output end of the electric telescopic rod pulls the second pressure plate to move upward, so that the patch device can be retracted into the protective shell.

[0014] Preferably, the output end of the electric telescopic rod is fixedly connected with a second pressing plate, a sliding block is fixed on a side of the second pressing plate close to the sliding groove, and the sliding block is slidably connected in the sliding groove.

[0015] The above technical solution is adopted: through the cooperation of the slide groove and the slider, the second pressing plate is limited when it moves in the protective shell, preventing the patch device from shaking when moving upward or downward in the protective shell.

[0016] Preferably, the first box body and the second box body are provided with a sealed door assembly, the sealed door assembly includes a first box door and a second box door, the first box door is provided with a glass window, the first box door is rotatably connected to the second box body, and the second box door is rotatably connected to the first box body.

[0017] By adopting the above technical solution: by setting the first box door, the circuit board can be placed on the fixing component for fixing by opening the first box door, and it is convenient to maintain the device in the second box when it is damaged. Through the set glass window, the patch status of the circuit board in the second box can be observed more clearly.

[0018] Preferably, an air pump is installed at the bottom of the first box body, a hose is fixed to the output end of the air pump, and the other end of the hose is connected to the air hole.

[0019] The above technical solution is adopted: the vacuum pump is started by setting up the vacuum pump, and the output end of the vacuum pump cooperates with the hose and the air hole to adsorb and fix the circuit board on the first pressing plate again, and the dust on the circuit board can be cleaned.

[0020] Compared with the related art, the utility model has the following beneficial effects:

[0021] 1. The operator pulls the pull rod to place the circuit board in the fixed assembly. Through the cooperation of the fixed block, the telescopic spring and the pressure block, the pull rod is loosened due to the force of the telescopic spring, so that the two pressure blocks clamp and fix the circuit board. Through the cooperation of the rubber pad and the groove, the circuit board will not be damaged due to excessive pressure when it is clamped and fixed. The transmission motor is started, and the output end of the transmission motor drives the limit block and the device under the limit block to move along the direction of the screw rod, so that the patch device can move horizontally, thereby solving the technical problem that the circuit board will deviate or shake when fixing the patch.

[0022] 2. When it is necessary to mount chips on the circuit board, the operator starts the electric telescopic rod, and the output end of the electric telescopic rod pushes the second pressure plate downward, pushing the patch device at the bottom of the second pressure plate downward to the surface of the circuit board, so that the circuit board can be mounted. When the patch device does not need to work, the output end of the electric telescopic rod pulls the second pressure plate upward, so that the patch device can be retracted into the protective shell, thereby solving the technical problem that the patch device is easily damaged when not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a chip mounter that is convenient for fixing circuit boards;

[0024] Figure 2 A schematic diagram of the structure of a sealed door assembly of a chip mounter that is convenient for fixing a circuit board;

[0025] Figure 3 A schematic diagram of a fixing component structure of a chip mounter that is convenient for fixing a circuit board;

[0026] Figure 4 The present invention is a schematic diagram of the structure of a chip assembly of a chip mounter which is convenient for fixing a circuit board.

[0027] Numbers in the figure: 1. First box body; 2. Second box body; 3. Bottom plate; 4. Fixed assembly; 41. Fixed block; 42. Telescopic spring; 43. Pressing block; 44. Rubber pad; 45. Groove; 46. Protective cover; 47. First pressing plate; 48. Air hole; 49. Pull rod; 5. Patch assembly; 51. Transmission motor; 52. Screw rod; 53. Limiting block; 54. Threaded groove; 55. Protective shell; 56. Slide groove; 57. Second pressing plate; 58. Sliding block; 59. Electric telescopic rod; 6. Sealed door assembly; 61. First box door; 62. Glass window; 63. Second box door; 7. Vacuum pump; 8. Hose. DETAILED DESCRIPTION

[0028] 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. Obviously, 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 ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1

[0030] like Figure 1-Figure 4 As shown, a chip mounter for fixing a circuit board comprises a first box body 1, a second box body 2 is fixed on the top of the first box body 1, a bottom plate 3 is fixed on the bottom of the second box body 2, a fixing component 4 is arranged on the bottom plate 3, and a chip mount component 5 is arranged on the top of the second box body 2;

[0031] The fixing assembly 4 includes a fixing block 41, a telescopic spring 42 is fixedly connected to the fixing block 41, a pressing block 43 is fixedly connected to the other end of the telescopic spring 42, a rubber pad 44 is fixed to the side of the pressing block 43 away from the telescopic spring 42, a groove 45 is formed on the side of the rubber pad 44 away from the pressing block 43, and a pull rod 49 is fixed to the pressing block 43;

[0032] The patch assembly 5 includes a transmission motor 51, the output end of the transmission motor 51 is fixedly connected to a screw rod 52, a limit block 53 is arranged on the screw rod 52, a protective shell 55 is fixed to the bottom of the limit block 53, and a patch device is arranged in the protective shell 55. The pull rod 49 is pulled to place the circuit board in the fixed assembly 4. Through the cooperation of the fixed block 41, the telescopic spring 42 and the pressure block 43, due to the force of the telescopic spring 42, the pull rod 49 is loosened, so that the two pressure blocks 43 clamp and fix the circuit board. Through the cooperation of the rubber pad 44 and the groove 45, the circuit board will not be damaged due to excessive pressure when it is clamped and fixed. The transmission motor 51 is started, and the output end of the transmission motor 51 drives the limit block 53 and the device under the limit block 53 to move along the direction of the screw rod 52, so that the patch device can move horizontally.

[0033] Embodiment 2

[0034] like Figure 1-Figure 4As shown, the pull rod 49 is slidably connected to the fixed block 41, and a protective cover 46 is fixed between the telescopic spring 42 and the pressing block 43. The protective cover 46 is sleeved on the outside of the telescopic spring 42. A first pressing plate 47 is fixed on the side of the bottom plate 3 close to the rubber pad 44. The first pressing plate 47 is provided with an air hole 48. The protective cover 46 is set to prevent the telescopic spring 42 from contacting the circuit board, thereby damaging the circuit board. The protective cover 46 can protect the telescopic spring 42, so that the service life of the telescopic spring 42 can be extended. The first pressing plate 47 can buffer the circuit board during patching to prevent damage to the circuit board during patching. The air hole 48 is set so that the dust on the circuit board can be sucked away from the air hole 48. The limit block 53 is provided with a threaded groove 54, and the threaded groove 54 is threadedly connected to the screw rod 52. A slide groove 56 is provided in the protective shell 55. An electric telescopic rod 59 is fixed on the top of the protective shell 55. When it is necessary to mount the circuit board, the electric telescopic rod 59 is started, and the output end of the electric telescopic rod 59 pushes the second pressing plate 57 to move downward, and pushes the patch device at the bottom of the second pressing plate 57 downward to the surface of the circuit board, so that the circuit board is mounted. When the patch device does not need to work, the output end of the electric telescopic rod 59 pulls the second pressing plate 57 to move upward, so that the patch device can be retracted into the protective shell. 55, the output end of the electric telescopic rod 59 is fixedly connected to the second pressing plate 57, and a slider 58 is fixed on the side of the second pressing plate 57 close to the slide groove 56. The slider 58 is slidably connected in the slide groove 56. Through the cooperation of the slide groove 56 and the slider 58, when the second pressing plate 57 moves in the protective shell 55, the second pressing plate 57 is limited to prevent the patch device from moving upward or downward in the protective shell 55 and shaking. A sealed door assembly 6 is provided on the first box body 1 and the second box body 2. The sealed door assembly 6 includes a first box door 61 and a second box door 63. A glass window 62 is provided on the first box door 61. The first box door 61 is rotatably connected to the second box body 2, and the second box door 63 is rotatably connected to the second box body 2. It is rotatably connected to the first box body 1, and through the first box door 61, the circuit board can be placed on the fixing component 4 for fixing when the first box door 61 is opened, and it is convenient to maintain when the device in the second box body 2 is damaged. Through the glass window 62, the patch condition of the circuit board in the second box body 2 can be observed more clearly. An air pump 7 is installed at the bottom of the first box body 1, and a hose 8 is fixed to the output end of the air pump 7, and the other end of the hose 8 is connected to the air hole 48. The air pump 7 is started by the set air pump 7, and the output end of the air pump 7 cooperates with the hose 8 and the air hole 48 to adsorb and fix the circuit board on the first pressing plate 47 again, and the dust on the circuit board can be cleaned.

[0035] Working principle: Figure 1-Figure 4As shown, when it is necessary to mount the circuit board, the operator pulls the pull rod 49 to place the circuit board in the fixing assembly 4, and through the cooperation of the fixing block 41, the telescopic spring 42 and the pressing block 43, due to the force of the telescopic spring 42, the pull rod 49 is loosened, so that the two pressing blocks 43 clamp and fix the circuit board, and through the cooperation of the rubber pad 44 and the groove 45, the circuit board will not be damaged due to excessive pressure when it is clamped and fixed. The first pressing plate 47 plays a buffering role when the circuit board is mounted to prevent damage to the circuit board during the mounting, and the vacuum pump 7 is started. The output end of the vacuum pump 7 is used to cooperate with the hose 8 and the air hole 48 to adsorb and fix the circuit board on the first pressing plate 47 again, and it can The dust on the circuit board is cleaned and the transmission motor 51 is started. The output end of the transmission motor 51 drives the limit block 53 and the device under the limit block 53 to move along the direction of the screw rod 52, so that the patch device can move horizontally. When the patch device moves to the top of the circuit board, the electric telescopic rod 59 is started. The output end of the electric telescopic rod 59 pushes the second pressure plate 57 to move downward, and pushes the patch device at the bottom of the second pressure plate 57 downward to the surface of the circuit board, so that the circuit board is patched. The patch status of the circuit board in the second box 2 is observed through the glass window 62. When the patch work is completed, the output end of the electric telescopic rod 59 pulls the second pressure plate 57 to move upward, so that the patch device can be retracted into the protective shell 55.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chip mounter for fixing a circuit board, characterized in that: It comprises a first box (1), a second box (2) is fixed on the top of the first box (1), a bottom plate (3) is fixed on the bottom of the second box (2), a fixing component (4) is arranged on the bottom plate (3), and a patch component (5) is arranged on the top of the second box (2); The fixing assembly (4) comprises a fixing block (41), a telescopic spring (42) is fixedly connected to the fixing block (41), the other end of the telescopic spring (42) is fixedly connected to a pressing block (43), a rubber pad (44) is fixed to a side of the pressing block (43) away from the telescopic spring (42), a groove (45) is provided on a side of the rubber pad (44) away from the pressing block (43), and a pull rod (49) is fixed to the pressing block (43); The patch assembly (5) comprises a transmission motor (51), the output end of the transmission motor (51) is fixedly connected to a lead screw (52), a limit block (53) is arranged on the lead screw (52), a protective shell (55) is fixed to the bottom of the limit block (53), and a patch device is arranged in the protective shell (55).

2. A chip mounter for fixing a circuit board according to claim 1, characterized in that: The pull rod (49) is slidably connected to the fixed block (41), a protective cover (46) is fixed between the telescopic spring (42) and the pressure block (43), and the protective cover (46) is sleeved on the outside of the telescopic spring (42). A first pressure plate (47) is fixed on one side of the bottom plate (3) close to the rubber pad (44), and an air hole (48) is opened on the first pressure plate (47).

3. A chip mounter for fixing a circuit board according to claim 1, characterized in that: The limit block (53) is provided with a thread groove (54), and the thread groove (54) is threadedly connected to the screw rod (52). The protective shell (55) is provided with a slide groove (56), and an electric telescopic rod (59) is fixed to the top of the protective shell (55).

4. A chip mounter for fixing a circuit board according to claim 3, characterized in that: The output end of the electric telescopic rod (59) is fixedly connected to a second pressing plate (57), and a sliding block (58) is fixed to a side of the second pressing plate (57) close to the sliding groove (56), and the sliding block (58) is slidably connected in the sliding groove (56).

5. A chip mounter for fixing a circuit board according to claim 1, characterized in that: The first box body (1) and the second box body (2) are provided with a sealed door assembly (6), the sealed door assembly (6) comprising a first box door (61) and a second box door (63), the first box door (61) being provided with a glass window (62), the first box door (61) being rotatably connected to the second box body (2), and the second box door (63) being rotatably connected to the first box body (1).

6. A chip mounter for fixing a circuit board according to claim 1, characterized in that: An air pump (7) is installed at the bottom of the first box body (1), a hose (8) is fixed to the output end of the air pump (7), and the other end of the hose (8) is connected to the air hole (48).

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