Clamping type PCB chip mounter

Abstract

The utility model discloses a clamping type PCB (printed circuit board) chip mounter, which belongs to the field of chip mounters and comprises a machine body, a chip mounting head is fixedly mounted in the machine body, a bearing frame is rotatably mounted in the machine body and positioned below the chip mounting head, a connecting rod is fixedly mounted on the outer side of the bearing frame, and sliding grooves are formed in four corners of the bearing frame. A synchronous transmission assembly is movably installed in the sliding groove, downward pressing fixing assemblies are movably installed at the top ends of the four corners of the bearing frame, a motor is fixedly installed on the outer wall of the bearing frame, and an output shaft of the motor is fixedly connected with a driving gear in a sleeved mode. In addition, the lower pressing rod can be driven to be separated from the surface of the plate body at the same time, overall fixing and detaching of the plate body are facilitated, then, the lower pressing rod can stretch out and draw back autonomously to meet the fixing requirements of plate bodies with different thicknesses, workers do not need to conduct excessive manual adjustment to prolong the adjustment time, and therefore the machining efficiency of the overall device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chip mounter, more specifically, relate to a clamping type PCB board chip mounter. BACKGROUND

[0002] The chip mounter will first place the PCB on the processing table when processing the patch, and then start the equipment to patch. Patent publication number CN216217832U discloses a SMT patch multi-angle processing device, relating to the field of SMT patch technology, including base, bottom plate, operation box, operation screen and chip mounter, the bottom of the base is fixedly connected with the top of the bottom plate, one side of the base is fixedly connected with the bottom end one side of the operation box. The utility model discloses a sliding plate, a rotating motor drives the bearing frame to move outward, which is convenient for operators to place and take the PCB, when patching the PCB at other angles, press the operation button, make the rotating motor rotate, the rotating motor drives the bearing frame and the PCB to rotate, the rotating motor is convenient for adjusting the angle of the PCB, achieves the purpose of multi-angle adjustment, and is convenient for multi-angle patching of the PCB. The bottom of the PCB is a baffle, and the top is a down pressure rod. The down pressure rod prevents the PCB from falling and damaging when the bearing frame rotates, and plays a safety protection role. It solves the problem that the existing chip mounter cannot directly adjust the angle of the PCB.

[0003] In the prior art, although the PCB can be fixed and clamped in two layers, the fixing of the top surface of the board body is achieved by rotating the down pressure rod to press the top of the board body. This clamping method has two problems. First, each down pressure rod needs to be controlled individually, so when operating, especially when producing a large number of PCBs, the repeated steps greatly affect the overall patching efficiency. Second, when fixing PCBs of different thicknesses, the worker needs to manually adjust the down pressure height of the down pressure plate, which further increases the adjustment time of the overall clamping mechanism and affects the working efficiency of the overall patching equipment. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a clamping type PCB board chip mounter, which can simultaneously perform synchronous down pressure operation on multiple down pressure rods and can also drive them away from the surface of the board body, facilitating the overall fixation and disassembly of the board body. In addition, the down pressure rod can be automatically extended and retracted to adapt to the fixation requirements of board bodies of different thicknesses, without the need for workers to manually adjust too much to increase the adjustment time, thereby improving the processing efficiency of the overall device.

[0006] 2. Technical solution

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] A clamping type PCB patch machine, including machine body, the inside fixed mounting of machine body has paster head, the inside rotation of machine body below paster head installs the bearing frame, the outside fixed mounting of bearing frame has connecting rod, the four corners of bearing frame all are equipped with sliding slot, the inside movable mounting of sliding slot has synchronous transmission assembly, the top movable mounting of bearing frame four corners has the fixed component of pressing down, the fixed mounting of bearing frame outer wall has motor, the output shaft fixed sleeve of motor has driving gear, the inside movable mounting of bearing frame four corners all has same toothed belt, the inner wall of bearing frame four corners is integrally formed with inclined plane plate.

[0009] Further, the synchronous transmission assembly comprises a screw rod, one end of the screw rod is fixedly installed with a limit disc one, the other end of the screw rod is fixedly installed with a bevel gear one, the surface of the bevel gear one is engaged with a bevel gear two, the bottom end of the bevel gear two is fixedly installed with a driven gear, and the bottom end of the driven gear is fixedly installed with a limit disc two.

[0010] Further, the limit disc one and the limit disc two are rotatably installed in the four corners inside the corresponding positions of the bearing frame, and the surface of the driven gear and the inner wall of the toothed belt are engaged with each other.

[0011] Further, the pressing down fixed component comprises a mounting block, the inside of the mounting block is movably sleeved with a T-shaped rod, the surface of the T-shaped rod is movably sleeved with a spring above the mounting block, the bottom end of the T-shaped rod is fixedly installed with a pressing block, the side surface of the mounting block is fixedly installed with a connecting rod, the inside of the connecting rod is fixedly installed with a sliding rod, and the bottom end of the sliding rod is fixedly installed with a transmission ring.

[0012] Further, the top end of the spring is fixedly connected to the bottom surface of the top end of the T-shaped rod.

[0013] Further, the combination of the transmission ring and the bottom end of the sliding rod is slidably installed in the inside of the sliding slot, and the transmission ring and the screw rod are threadedly connected with each other.

[0014] Further, the bottom surface of the pressing block is provided as a hemispherical structure, and the position of the pressing block and the position of the inclined plane plate correspond to each other.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The scheme utilizes the motor to drive the driving gear to drive four synchronous transmission assemblies and the downward fixing assembly to move synchronously, so that the trajectory of the downward fixing assembly is moved in a direction, the top surface of the plate body is fixed and clamped at four points, the clamping and fixing rate of the whole is improved, and the staff is convenient to use.

[0018] (2) The downward fixing assembly can be telescoped to adapt to the fixing requirements of the top of the plate body of different thicknesses, effectively improve the clamping applicability of the whole to different plate bodies, and through the spherical contact, the contact surface is reduced, the possibility of deformation caused by clamping of the plate body surface is reduced, and the safety of the whole device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the machine body in the utility model;

[0020] Figure 2 It is a schematic diagram of the overall structure of the bearing frame in the utility model;

[0021] Figure 3 It is a schematic diagram of the three-dimensional assembly structure of the bearing frame in the utility model;

[0022] Figure 4 It is a schematic diagram of the bearing frame structure in the utility model;

[0023] Figure 5 It is a schematic diagram of the synchronous transmission assembly structure in the utility model;

[0024] Figure 6 It is a schematic diagram of the downward fixing assembly structure in the utility model.

[0025] Explanation of reference numerals in the drawing:

[0026] 1, machine body; 2, patch head; 3, bearing frame; 4, connecting rod; 5, synchronous transmission assembly; 6, downward fixing assembly; 301, motor; 302, driving gear; 303, sliding groove; 304, toothed belt; 305, inclined plane plate; 501, screw; 502, limit disc one; 503, bevel gear one; 504, bevel gear two; 505, driven gear; 506, limit disc two; 601, mounting block; 602, T-shaped rod; 603, spring; 604, downward block; 605, connecting rod; 606, sliding rod; 607, transmission ring. DETAILED DESCRIPTION

[0027] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and all the other embodiments obtained by a person of ordinary skill in the art without creative labor based on the embodiments of the present application shall fall within the scope of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] Embodiment 1:

[0031] Please refer to Figures 1-6 A clamping type PCB patch machine, comprising a body 1, a patch head 2 is fixedly installed inside the body 1, a bearing frame 3 is rotatably installed below the patch head 2 inside the body 1, a connecting rod 4 is fixedly installed on the outer side of the bearing frame 3, sliding grooves 303 are formed on the four corners of the bearing frame 3, a synchronous transmission assembly 5 is movably installed inside the sliding groove 303, a pressing fixing assembly 6 is movably installed at the top end of the four corners of the bearing frame 3, a motor 301 is fixedly installed on the outer wall of the bearing frame 3, a driving gear 302 is fixedly sleeved on the output shaft of the motor 301, the same toothed belt 304 is movably installed inside the four corners of the bearing frame 3, and the inclined plate 305 is integrally formed on the inner wall of the four corners of the bearing frame 3.

[0032] It should be noted that the body 1, the patch head 2 and the connecting rod 4 in the present application all belong to the same named components in the comparative document, and their functions and related connection structures are the same as those in the comparative document, so they belong to the mature technology, and therefore will not be described in detail in the present application.

[0033] The synchronous transmission assembly 5 comprises a screw rod 501, one end of the screw rod 501 is fixedly installed with a limiting disc one 502, the other end of the screw rod 501 is fixedly installed with a bevel gear one 503, the surface of the bevel gear one 503 is engaged with a bevel gear two 504, the bottom end of the bevel gear two 504 is fixedly installed with a driven gear 505, the bottom end of the driven gear 505 is fixedly installed with a limiting disc two 506, the limiting disc one 502 and the limiting disc two 506 are both rotationally installed inside the four corners of the corresponding position of the bearing frame 3, the surface of the driven gear 505 and the inner wall of the toothed belt 304 are mutually engaged;

[0034] Specifically, the limiting disc two 506 and the limiting disc one 502 can limit the rotation of the bevel gear one 503 and the bevel gear two 504 as a whole, ensure the synchronous engagement of the two, and also ensure the stable engagement transmission between the driven gear 505 and the toothed belt 304. In addition, the toothed belt 304 can drive the four driven gears 505 to rotate at the same time, thereby achieving the working effect of one dragging four, facilitating the synchronous control of the movement and the pressing operation of the whole pressing and fixing assembly 6, and improving the operation convenience of the whole clamping operation.

[0035] The pressing and fixing assembly 6 comprises a mounting block 601, the inside of the mounting block 601 movably sleeved with a T-shaped rod 602, the surface of the T-shaped rod 602 movably sleeved with a spring 603 above the mounting block 601, the bottom end of the T-shaped rod 602 fixedly installed with a pressing block 604, the side surface of the mounting block 601 fixedly installed with a connecting rod 605, the inside of the connecting rod 605 fixedly installed with a sliding rod 606, the bottom end of the sliding rod 606 fixedly installed with a transmission ring 607, the top end of the spring 603 fixedly connected to the bottom surface of the top end of the T-shaped rod 602, the combination of the transmission ring 607 and the bottom end of the sliding rod 606 is slidingly installed inside the sliding groove 303, the transmission ring 607 and the screw rod 501 are threadedly connected with each other, and the bottom surface of the pressing block 604 is provided with a hemispherical structure, and the position thereof corresponds to the position of the inclined plane plate 305.

[0036] Specifically, the spherical structure of the pressing block 604 can reduce the contact area between the bottom end thereof and the plate body, reduce the risk of damaging the plate body, and the curved surface structure of the edge of the sphere can be more effectively fitted on the side surface of the inclined plane plate 305, so as to achieve the function of automatic contraction when moving above the sliding groove 303, and the motion exclusion does not occur. Finally, the connecting part of the transmission ring 607 and the sliding rod 606 slides inside the sliding groove 303, and the limiting purpose is achieved through the shape adaptation of the two, so as to ensure that the movement track of the whole pressing and fixing assembly 6 has the property of direction.

[0037] The utility model discloses a working principle is: when needing to place PCB board in the inside of bearing frame 3, first, the plate body is placed in the inside of bearing frame 3, at this time, start motor 301 and drive driving gear 302 whole movement rotation, cooperate with the rotation of the four passive gear 505 in the four corners corner of bearing frame 3 in toothed belt 304, thereby make bevel gear no. 2 504 rotation cooperation bevel gear no. 1 503 drive screw rod 501 whole rotation, then screw rod 501 is driven slide rod 606 whole along sliding groove 303 and slides by and transmission ring 607 screw drive, and the gradually slide of lower pressure block 604 from the top surface of bearing frame 3 to the inside, and gradually press down along the inclined plane of inclined plane plate 305, until press to the top surface of plate body can, stop motor 301 rotation can, when needing to dismount plate body, start motor 301 and drive driving gear 302 reverse, then lower pressure block 604 gradually reset movement, contact to inclined plane plate 305 when automatically shrink upwards, then move to the top end of bearing frame 3 and the top end surface of the four corners of bearing frame 3 mutual adhesion, at this time, close motor 301 and take down plate body can.

[0038] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the art, according to the technical scheme and the improvement concept of the utility model, within the technical range disclosed by the utility model, should be covered in the protection scope of the utility model.

Claims

1. A clamping PCB board placement machine, comprising a machine body (1), characterized in that: A patch head (2) is fixedly installed inside the body (1). A support frame (3) is rotatably installed inside the body (1) below the patch head (2). A connecting rod (4) is fixedly installed on the outside of the support frame (3). Sliding grooves (303) are provided at the four corners of the support frame (3). A synchronous transmission assembly (5) is movably installed inside the sliding groove (303). A pressing and fixing assembly (6) is movably installed at the top of the four corners of the support frame (3). A motor (301) is fixedly installed on the outer wall of the support frame (3). A drive gear (302) is fixedly sleeved on the output shaft of the motor (301). The same toothed belt (304) is movably installed inside the four corners of the support frame (3). An inclined panel (305) is integrally formed on the inner wall of the four corners of the support frame (3).

2. The clamping PCB board placement machine according to claim 1, characterized in that: The synchronous transmission assembly (5) includes a screw (501), one end of which is fixedly mounted with a limiting disk (502), and the other end of which is fixedly mounted with a helical gear (503). The surface of the helical gear (503) is meshed with a helical gear (504), and the bottom end of the helical gear (504) is fixedly mounted with a driven gear (505). The bottom end of the driven gear (505) is fixedly mounted with a limiting disk (506).

3. A clamping PCB board placement machine according to claim 2, characterized in that: The first limiting disc (502) and the second limiting disc (506) are rotatably installed inside the four corners of the corresponding positions of the bearing frame (3), and the surface of the passive gear (505) and the inner wall of the toothed belt (304) mesh with each other.

4. The clamping PCB board placement machine according to claim 1, characterized in that: The pressing and fixing assembly (6) includes a mounting block (601), a T-shaped rod (602) is movably sleeved inside the mounting block (601), a spring (603) is movably sleeved on the surface of the T-shaped rod (602) above the mounting block (601), a pressing block (604) is fixedly installed at the bottom end of the T-shaped rod (602), a connecting rod (605) is fixedly installed on the side of the mounting block (601), a sliding rod (606) is fixedly installed inside the connecting rod (605), and a transmission ring (607) is fixedly installed at the bottom end of the sliding rod (606).

5. A clamping PCB board placement machine according to claim 4, characterized in that: The top end of the spring (603) is fixedly connected to the bottom surface of the top end of the T-shaped rod (602).

6. A clamping PCB board placement machine according to claim 4, characterized in that: The combination of the bottom end of the transmission ring (607) and the sliding rod (606) is slidably installed inside the sliding groove (303), and the transmission ring (607) and the screw (501) are threadedly connected to each other.

7. A clamping PCB board placement machine according to claim 4, characterized in that: The bottom surface of the pressure block (604) is set as a hemispherical structure, and its position corresponds to the position of the inclined panel (305).

Images