Multifunctional chip mounter

Abstract

The utility model relates to a multifunctional chip mounter, which belongs to the technical field of chip mounters and comprises a workbench, supporting rods are fixed at the left end and the right end of the upper surface of the workbench, a same top plate is fixed at the tops of the two supporting rods, an electric push rod is fixed on the lower surface of the top plate, and a movable plate is fixed on an output shaft of the electric push rod. A mounting head is arranged on the lower side of the movable plate, a dismounting mechanism for conveniently dismounting the mounting head is arranged in the middle of the lower surface of the movable plate, and a clamping mechanism for positioning a PCB is arranged at the bottom between the opposite sides of the left side wall and the right side wall of the inner cavity of the workbench. According to the multifunctional chip mounter, through the arrangement of the connecting plate, the fixing groove, the mounting block, the limiting rod, the limiting plate, the first telescopic rod, the first spring, the limiting block and the limiting groove, the mounting head can be mounted on the lower surface of the movable plate, and when the mounting head is damaged, the mounting head can be conveniently disassembled by a worker, so that the disassembly and assembly efficiency of the worker is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chip mounters, in particular to a multifunctional chip mounter. Background Art

[0002] The placement machine, also known as the "mounting machine" or "surface mounting system", is configured after the dispensing machine or screen printing machine in the production line. It is a device that accurately places surface mount components on the PCB pads by moving the placement head. It is divided into manual and fully automatic types.

[0003] Through searching, it is found that Chinese patent publication number: CN219628031U discloses a multifunctional chip mounter, including a machine body, a horizontal moving mechanism is installed at the right end of the machine body, a chip mount mechanism is installed on the upper part of the horizontal moving mechanism, a pair of L-shaped support plates are symmetrically fixed on the left and right sides of the upper end of the machine body, a workbench is fixed between the support plates, and limited position paths are opened on the front, back, left and right sides of the upper end of the workbench, and limited position blocks are slidably connected inside the limited position paths. The screw motor can drive the screw to rotate, and the screw and the slider are threaded together, so that the slider slides along the slide rail. When the bracket moves, it will also drive the feeding table to move out from under the workbench, so that while saving space, it does not hinder material removal, and when clamping the circuit board, by pushing one of the clamping blocks, the other three clamping blocks can be moved at the same time, so that when clamping the circuit board, the operation is more convenient. However, in the utility model, after the patch head is damaged, it is not convenient to disassemble and replace the patch head. Bolts are usually used to fix and install the patch head, and people need to use tools, which is more troublesome when used, thereby reducing the replacement efficiency of the staff. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a multifunctional placement machine, which has the advantages of easy disassembly and assembly of the placement head, etc., and solves the problem that after the placement head is damaged, it is inconvenient to disassemble and replace the placement head. The placement head is usually fixed and installed with bolts, and people need to use tools, which is more troublesome to use, thereby reducing the replacement efficiency of the staff.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional placement machine, comprising a workbench, support rods are fixed to the left and right ends of the upper surface of the workbench, the top of the two support rods is fixed to the same top plate, an electric push rod is fixed to the lower surface of the top plate, a movable plate is fixed to the output shaft of the electric push rod, a placement head is provided on the lower side of the movable plate, a disassembly mechanism for facilitating the disassembly of the placement head is provided in the middle of the lower surface of the movable plate, and a clamping mechanism for positioning a PCB board is provided at the bottom between the opposite sides of the left and right side walls of the inner cavity of the workbench;

[0006] The disassembly and assembly mechanism comprises a connecting plate fixed to the middle part of the lower surface of the movable plate, a fixing groove is provided in the middle part of the lower surface of the connecting plate, a mounting block is threadedly connected to the top of the mounting head, a limiting rod is fixed to the top between the opposite sides of the left and right side walls of the inner cavity of the connecting plate, both left and right ends of the outer surface of the limiting rod are slidably connected to the limiting plate, a first telescopic rod is fixed to the upper and lower ends between the limiting plate and the opposite side of the connecting plate, a first spring is movably sleeved on the outer surface of the first telescopic rod, limiting blocks are fixed to the upper and lower ends of the opposite side of the two limiting plates, and limiting grooves are provided to the upper and lower ends of the left and right sides of the mounting block;

[0007] The clamping mechanism includes a bidirectional screw which is rotatably connected to the bottom between the opposite sides of the left and right side walls of the inner cavity of the workbench through a bearing, a sliding rod is fixed to the top between the opposite sides of the left and right side walls of the inner cavity of the workbench, and sliding sleeves are slidably connected to the left and right ends of the outer surface of the sliding rod, the bottom of the sliding sleeve is threadedly connected to the bidirectional screw, a connecting rod is fixed to the upper surface of the sliding sleeve, the upper surface of the connecting rod passes through the workbench and extends to the upper side of the workbench and is fixed with a movable plate, and a clamping plate is provided between the opposite sides of the two movable plates.

[0008] Furthermore, a slide bar is fixed to the bottom of the two support rods on opposite sides, and the left and right ends of the movable plate both make linear up and down motions in the inner cavity of the slide bar.

[0009] Furthermore, the inner diameter of the fixing groove is matched with the outer diameter of the mounting block, and the inner diameter of the limiting groove is matched with the outer diameter of the limiting block.

[0010] Furthermore, the two limit plates are symmetrically distributed on the left and right sides of the vertical center axis of the limit rod, and the two ends of the first spring are respectively fixedly connected to the side opposite to the limit plate and the connecting plate.

[0011] Furthermore, limit strips are fixed to both left and right ends of the inner bottom wall of the connecting plate, and the bottom of the limit plate performs horizontal linear motion in the inner cavity of the limit strip.

[0012] Furthermore, the left side of the bidirectional screw passes through the workbench and extends to the left side of the workbench and is fixed with a handle, and the cross-sectional shapes of the moving plate and the clamping plate are both inverted U-shaped.

[0013] Furthermore, a second telescopic rod and a second spring are fixed between the opposite sides of the movable plate and the clamping plate, and the second spring is movably sleeved on the outer surface of the second telescopic rod.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The multifunctional placement machine can install the placement head on the lower surface of the movable plate through the connection plate, the fixing groove, the mounting block, the limit rod, the limit plate, the first telescopic rod, the first spring, the limit block and the limit groove, and when the placement head is damaged, it is convenient for the staff to disassemble it, thereby improving the disassembly and assembly efficiency of the staff.

[0016] 2. The multifunctional chip mounter is provided with a clamping mechanism in the inner cavity of the chip mounter, which can stably clamp PCB boards of different sizes through the cooperation of the bidirectional screw, the sliding rod, the sliding sleeve, the connecting rod, the movable plate and the clamping plate, thereby improving the patch effect of the chip mounter, and the stability of the clamping of the PCB board can be improved by the second spring and the second telescopic rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the disassembly and assembly mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the movable plate and the clamping plate of the utility model.

[0021] In the figure: 1 workbench, 2 support rod, 3 top plate, 4 electric push rod, 5 movable plate, 6 mounting head, 7 disassembly and assembly mechanism, 701 connecting plate, 702 fixing groove, 703 mounting block, 704 limiting rod, 705 limiting plate, 706 first telescopic rod, 707 first spring, 708 limiting block, 709 limiting groove, 8 clamping mechanism, 801 bidirectional screw, 802 sliding rod, 803 sliding sleeve, 804 connecting rod, 805 movable plate, 806 clamping plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. 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.

[0023] See also Figure 1A multifunctional placement machine in this embodiment includes a workbench 1, support rods 2 are fixed to the left and right ends of the upper surface of the workbench 1, the top of the two support rods 2 is fixed to the same top plate 3, an electric push rod 4 is fixed to the lower surface of the top plate 3, the output shaft of the electric push rod 4 is fixed to a movable plate 5, a placement head 6 is provided on the lower side of the movable plate 5, a disassembly mechanism 7 for facilitating the disassembly and assembly of the placement head 6 is provided in the middle of the lower surface of the movable plate 5, and a clamping mechanism 8 for positioning a PCB board is provided at the bottom between the opposite sides of the left and right side walls of the inner cavity of the workbench 1.

[0024] Among them, a slide bar is fixed at the bottom of the two supporting rods 2 on the opposite side, and the left and right ends of the movable plate 5 both make linear up and down motions in the inner cavity of the slide bar.

[0025] See also Figure 2 In order to facilitate the replacement of the mounting head 6, the disassembly and assembly mechanism 7 in this embodiment includes a connecting plate 701 fixed to the middle part of the lower surface of the movable plate 5, a fixing groove 702 is opened in the middle part of the lower surface of the connecting plate 701, a mounting block 703 is threadedly connected to the top of the mounting head 6, a limiting rod 704 is fixed to the top between the opposite sides of the left and right side walls of the inner cavity of the connecting plate 701, and the left and right ends of the outer surface of the limiting rod 704 are slidably connected to the limiting plate 705, and the upper and lower ends between the limiting plate 705 and the opposite side of the connecting plate 701 are fixed with a first telescopic rod 706, and the outer surface of the first telescopic rod 706 is movably sleeved with a first spring 707, which moves the two limiting rods in opposite directions. The limiting plate 705, at this time, the top of the limiting plate 705 moves on the outer surface of the connecting plate 701, and the lower surface of the limiting plate 705 moves in the inner cavity of the limiting strip. The movement of the two limiting plates 705 will squeeze the first spring 707 and shorten the first telescopic rod 706. The limiting blocks 708 are fixed at the upper and lower ends of the opposite side of the two limiting plates 705, and the limiting grooves 709 are provided at the upper and lower ends of the left and right sides of the mounting block 703. The movement of the first telescopic rod 706 drives the limiting block 708 to move until the limiting block 708 is separated from the inner cavity of the limiting groove 709, and the mounting block 703 can be released from the limit, and then the mounting block 703 can be taken out, and the mounting head 6 can be rotated out.

[0026] Among them, the inner diameter of the fixing groove 702 is adapted to the outer diameter of the mounting block 703, the inner diameter of the limiting groove 709 is adapted to the outer diameter of the limiting block 708, the two limiting plates 705 are symmetrically distributed on the left and right sides of the vertical center axis of the limiting rod 704, the two ends of the first spring 707 are respectively fixedly connected to the side opposite to the limiting plate 705 and the connecting plate 701, the left and right ends of the inner bottom wall of the connecting plate 701 are fixed with limiting strips, and the bottom of the limiting plate 705 makes horizontal linear motion in the inner cavity of the limiting strip.

[0027] See also Figure 3-4In order to clamp the PCB board, the clamping mechanism 8 in this embodiment includes a bidirectional screw 801 rotatably connected to the bottom between the left and right side walls of the inner cavity of the workbench 1 through a bearing, a sliding rod 802 is fixed to the top between the left and right side walls of the inner cavity of the workbench 1, and the left and right ends of the outer surface of the sliding rod 802 are slidably connected with sliding sleeves 803, the bottom of the sliding sleeve 803 is threadedly connected to the bidirectional screw 801, and the upper surface of the sliding sleeve 803 is fixed with a connecting rod 804. The PCB board is placed between the two clamping plates 806, and then the bidirectional screw 801 is driven to rotate, and the bidirectional screw 801 is driven to rotate. The rotation of the screw rod 801 drives the two sleeves 803 to rotate, and the sleeves 803 can perform linear motion under the action of the slide rod 802. At this time, the two sleeves 803 make relative motion, and the movement of the sleeve 803 drives the connecting rod 804 to move. The upper surface of the connecting rod 804 passes through the workbench 1 and extends to the upper side of the workbench 1 and is fixed with a moving plate 805. A clamping plate 806 is provided between the opposite sides of the two moving plates 805. The movement of the connecting rod 804 drives the moving plate 805 to move, thereby moving the clamping plate 806. The two clamping plates 806 can clamp and fix the PCB board.

[0028] Among them, the left side of the bidirectional screw 801 passes through the workbench 1 and extends to the left side of the workbench 1 and is fixed with a handle. The cross-sectional shapes of the moving plate 805 and the clamping plate 806 are both inverted U-shaped. A second telescopic rod and a second spring are fixed between the opposite sides of the moving plate 805 and the clamping plate 806. The second spring is movably sleeved on the outer surface of the second telescopic rod. The second telescopic rod and the second spring can buffer the force exerted on the PCB board, thereby further improving the stability of clamping.

[0029] The working principle of the above embodiment is:

[0030] (1) When replacing the placement head 6, first move the two limit plates 705 in opposite directions. At this time, the top of the limit plate 705 moves on the outer surface of the connecting plate 701, and the lower surface of the limit plate 705 moves in the inner cavity of the limit strip. The movement of the two limit plates 705 will squeeze the first spring 707 and shorten the first telescopic rod 706. The movement of the first telescopic rod 706 drives the limit block 708 to move until the limit block 708 is separated from the inner cavity of the limit groove 709. The limit of the mounting block 703 can be released, and then the mounting block 703 can be taken out, and the placement head 6 can be rotated out for replacement.

[0031] (2) In order to improve the patch effect on the PCB board, the PCB board is first placed between the two clamping plates 806, and then the bidirectional screw 801 is driven to rotate. The rotation of the bidirectional screw 801 drives the two sliding sleeves 803 to rotate. The sliding sleeves 803 can perform linear motion under the action of the sliding rod 802. At this time, the two sliding sleeves 803 make relative motion. The movement of the sliding sleeve 803 drives the connecting rod 804 to move. The movement of the connecting rod 804 drives the moving plate 805 to move, so that the clamping plate 806 can move. The two clamping plates 806 can clamp and fix the PCB board. The second telescopic rod and the second spring can buffer the force on the PCB board, thereby further improving the clamping stability.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A multifunctional chip mounter, comprising a workbench (1), characterized in that: Support rods (2) are fixed to both left and right ends of the upper surface of the workbench (1); a top plate (3) is fixed to the tops of the two support rods (2); an electric push rod (4) is fixed to the lower surface of the top plate (3); a movable plate (5) is fixed to the output shaft of the electric push rod (4); a mounting head (6) is provided on the lower side of the movable plate (5); a disassembly mechanism (7) for facilitating the disassembly and assembly of the mounting head (6) is provided in the middle of the lower surface of the movable plate (5); a clamping mechanism (8) for positioning a PCB board is provided at the bottom between the opposite sides of the left and right side walls of the inner cavity of the workbench (1); The disassembly and assembly mechanism (7) comprises a connecting plate (701) fixed to the middle part of the lower surface of the movable plate (5), a fixing groove (702) is provided in the middle part of the lower surface of the connecting plate (701), a mounting block (703) is threadedly connected to the top of the mounting head (6), a limiting rod (704) is fixed to the top between the opposite sides of the left and right side walls of the inner cavity of the connecting plate (701), the left and right ends of the outer surface of the limiting rod (704) are slidably connected to the limiting plates (705), the upper and lower ends between the limiting plates (705) and the opposite side of the connecting plate (701) are fixed with first telescopic rods (706), the outer surface of the first telescopic rod (706) is movably sleeved with a first spring (707), the upper and lower ends of the opposite sides of the two limiting plates (705) are fixed with limiting blocks (708), and the upper and lower ends of the left and right sides of the mounting block (703) are provided with limiting grooves (709); The clamping mechanism (8) comprises a bidirectional screw (801) rotatably connected to the bottom between the left and right side walls of the inner cavity of the workbench (1) through a bearing, a sliding rod (802) is fixed to the top between the left and right side walls of the inner cavity of the workbench (1), and the left and right ends of the outer surface of the sliding rod (802) are slidably connected to the sliding sleeve (803), the bottom of the sliding sleeve (803) is threadedly connected to the bidirectional screw (801), and a connecting rod (804) is fixed to the upper surface of the sliding sleeve (803), and the upper surface of the connecting rod (804) passes through the workbench (1) and extends to the upper side of the workbench (1) and is fixed with a movable plate (805), and a clamping plate (806) is provided between the opposite sides of the two movable plates (805).

2. A multifunctional chip mounter according to claim 1, characterized in that: A slide bar is fixed at the bottom of the two support rods (2) on the opposite side, and the left and right ends of the movable plate (5) both make linear up and down motion in the inner cavity of the slide bar.

3. A multifunctional chip mounter according to claim 1, characterized in that: The inner diameter of the fixing groove (702) matches the outer diameter of the mounting block (703), and the inner diameter of the limiting groove (709) matches the outer diameter of the limiting block (708).

4. A multifunctional chip mounter according to claim 1, characterized in that: The two limit plates (705) are symmetrically distributed on the left and right sides of the vertical center axis of the limit rod (704), and the two ends of the first spring (707) are respectively fixedly connected to the side of the limit plate (705) opposite to the connecting plate (701).

5. The multifunctional chip mounter according to claim 1, characterized in that: Limiting strips are fixed to both left and right ends of the inner bottom wall of the connection plate (701), and the bottom of the limiting plate (705) performs horizontal linear motion in the inner cavity of the limiting strip.

6. A multifunctional chip mounter according to claim 1, characterized in that: The left side of the bidirectional screw (801) passes through the workbench (1) and extends to the left side of the workbench (1) and is fixed with a handle. The cross-sectional shapes of the movable plate (805) and the clamping plate (806) are both inverted U shapes.

7. The multifunctional chip mounter according to claim 1, characterized in that: A second telescopic rod and a second spring are fixed between the opposite sides of the movable plate (805) and the clamping plate (806), and the second spring is movably sleeved on the outer surface of the second telescopic rod.

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