A type of pick and place machine with dual-row front and rear linkage placement head

Abstract

This invention discloses a dual-row front-to-back linkage placement head for a pick-and-place machine, comprising a pressure base plate, on which are provided front and rear double-row spline frames and multiple belt assemblies; the front and rear double-row spline frames contain short splines and long splines, and a camera assembly and a rotary stepper motor are mounted on the front and rear double-row spline frames; the belt assembly includes a belt and belt drive pulleys and drive pulleys located at both ends of the belt, and a pressure stepper motor is located at the bottom of the pressure base plate; long spline belt clamps and short spline belt clamps are respectively provided on both sides of the belt, and spline connectors are respectively provided at the upper ends of the long spline belt clamps and the short spline belt clamps, and one end of the short spline and the long spline are respectively fixedly connected to the spline connectors; the pressure motor drives the long spline belt clamps and the short spline belt clamps to move up and down by rotating forward and reverse, respectively, realizing that one motor drives the two sets of splines in the front and rear rows to move up and down, realizing the linkage of the front and rear splines of a single module of the pick-and-place machine.

Description

[0001] This invention relates to the field of pick and place machine equipment technology, specifically to a pick and place machine dual-row front and rear linkage placement head. Background Technology

[0002] Pick and place machine: Also known as "placement machine" or "surface mount system", it is a device installed after the dispensing machine or screen printer in the production line. It is a device that accurately places surface mount components onto the PCB pads by moving the placement head. It is divided into manual and fully automatic types.

[0003] However, most existing pick-and-place machines on the market have one motor controlling one spline, resulting in a large number of motors installed on the machine, which leads to the disadvantages of complex equipment structure and high cost. Summary of the Invention

[0004] In order to overcome the shortcomings of existing technical solutions, the present invention provides a dual-row front and rear linkage placement head for a chip mounter, which can effectively solve the problems mentioned in the background art.

[0005] The technical solution adopted by this invention to solve its technical problem is as follows:

[0006] A pick and place machine dual-row front and rear linkage placement head includes a main body, the main body including a lower pressure base plate, the upper surface of which is provided with front and rear double-row spline frames and multiple sets of belt assemblies;

[0007] The front and rear double-row spline frame is provided with multiple sets of short splines and long splines distributed vertically. Each of the short splines and the long splines is provided with a spline sleeve. The spline sleeve is located inside the front and rear double-row spline frame. The front and rear double-row spline frame is provided with a camera assembly and a rotary stepper motor. The rotary stepper motor is drivenly connected to the spline sleeve.

[0008] The belt assembly includes a belt and belt drive pulleys and drive pulleys located at both ends of the belt. The two ends of the belt are respectively sleeved on the belt drive pulleys and drive pulleys, and a sensor is provided at the front end of the drive pulley. A pressure stepper motor connected to the drive pulley is provided at the bottom of the pressure base plate.

[0009] The belt is provided with a long spline belt clamp and a short spline belt clamp fixedly connected to both sides. The upper ends of the long spline belt clamp and the short spline belt clamp are respectively provided with spline connectors. One end of the short spline and the long spline are respectively fixedly connected to the spline connectors.

[0010] Preferably, a machine head cover is provided on one side of the lower pressure base plate and is vertically connected thereto. The machine head cover is located on the lower side of the lower pressure base plate and is fixedly connected to the lower pressure base plate.

[0011] Preferably, a material suction and ventilation component is installed on the outside of the machine head cover, and symmetrically distributed solenoid valves are installed on the material suction and ventilation component.

[0012] Preferably, the camera assembly includes a mounting bracket for fixed installation, a light source, and a camera, wherein the light source and the camera are mounted on the front and rear double-row spline frame via the mounting bracket.

[0013] Preferably, the front and rear double-row spline frame is a rectangular structure, a rotary transmission belt is provided between the rotary stepper motor and the spline sleeve to realize transmission, and a tensioning wheel is provided on the inner wall of the front and rear double-row spline frame.

[0014] Preferably, the bottom of the pressing base plate is provided with an X-axis sliding plate that is vertically connected thereto, and an X-axis sliding plate support is provided at the angle between the pressing base plate and the X-axis sliding plate. The X-axis sliding plate is provided with symmetrically distributed sliders, wherein the X-axis sliding plate is located in the middle of the pressing base plate.

[0015] Preferably, the bottom of the pressing base plate is provided with symmetrically distributed sliders, which are located below the front and rear double-row spline frame.

[0016] By setting long spline belt clamps and short spline belt clamps on both sides of the belt, and providing spline connectors at the top of the long and short spline belt clamps for connecting the short and long splines, the stepper motor drives the belt to move the long and short spline belt clamps up and down through forward and reverse rotation, thereby moving the short and long splines. This allows one motor to drive two sets of splines, saving installation space and increasing work efficiency by nearly double with the same number of motors. It also reduces motor investment and saves on the cost of the pick-and-place machine. Furthermore, it enables the pick-and-place machine to achieve front and rear double-row linkage for a single module and front and rear head linkage for double-row splines, doubling the work efficiency of the pick-and-place machine. Attached Figure Description

[0017] Figure 1 This is one of the schematic diagrams of the overall structure of the dual-row front and rear linkage placement head of the pick-and-place machine of the present invention;

[0018] Figure 2 This is the second schematic diagram of the overall structure of the dual-row front and rear linkage placement head of the pick-and-place machine of the present invention;

[0019] Figure 3 This is a side view of the dual-row front-to-back linkage placement head of the pick-and-place machine of the present invention;

[0020] Figure 4 This is a schematic diagram of the connection structure between the belt assembly and the short spline and the long spline in this invention. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] like Figure 1-4 As shown:

[0023] This embodiment discloses a dual-row front-to-back linkage placement head for a pick-and-place machine, including a lower pressure base plate 1. The upper surface of the lower pressure base plate 1 is provided with a front-to-back double-row spline frame 4 and multiple sets of belt assemblies. The front-to-back double-row spline frame 4 is a hollow rectangular structure. Multiple sets of vertically distributed short splines 5 and long splines 6 are interlaced within the front-to-back double-row spline frame 4. The short splines 5 and long splines 6 may have the same length or different lengths. The short splines 5 and long splines 6 are horizontally arranged, with the short splines 5 located above the long splines 6. Spline sleeves 17 are respectively provided on the short splines 5 and long splines 6. The spline sleeve 17 is located within the front and rear double-row spline frame 4. The front and rear double-row spline frame 4 is equipped with a camera assembly 12 and a rotary stepper motor 13. The rotary stepper motor 13 is driven by the spline sleeve 17. A rotary transmission belt 21 is provided between the rotary stepper motor 13 and the spline sleeve 17 to achieve transmission. One end of the rotary transmission belt 21 is connected to the power output end of the rotary stepper motor 13, and the other end of the rotary transmission belt 21 is connected to one end of the spline sleeve 17. The belt assembly includes a belt 16 and belt drive pulleys 15 located at both ends of the belt 16. The belt 16 is fitted onto the drive pulley 15 and the drive pulley 18 at both ends, with a sensor 20 at the front end of the drive pulley 18. A stepper motor 22 connected to the drive pulley 18 is located at the bottom of the pressing base plate 1. Each stepper motor 22 corresponds to one drive pulley 18. The stepper motor 22 drives the drive pulley 18 to rotate, and the drive pulley 18 rotates via the belt drive pulley 15. The belt 16 has fixed connections on both sides. The belt has a long spline belt clamp 23 and a short spline belt clamp 24. The upper ends of the long spline belt clamp 23 and the short spline belt clamp 24 are respectively provided with spline connectors 14. One end of the short spline 5 and the long spline 6 are respectively fixedly connected to the spline connectors 14. During the forward and reverse rotation of the belt 16 driven by the downward stepper motor 22, the long spline belt clamp 23 and the short spline belt clamp 24 are moved back and forth. The up and down movement of the long spline belt clamp 23 and the short spline belt clamp 24 respectively drives the up and down movement of the short spline 5 and the long spline 6.

[0024] The lower pressure base plate 1 has a machine head cover 7 vertically connected to one side. The machine head cover 7 is located below the lower pressure base plate 1 and is fixedly connected to the lower pressure base plate 1. A material suction and ventilation component 8 is installed on the outside of the machine head cover 7. Symmetrically distributed solenoid valves 9 are installed on the material suction and ventilation component 8. The machine head cover 7 consists of a front plate and two side plates, with the two side plates respectively located on both sides of the front plate. The material suction and ventilation component 8 is located on the front plate. The camera assembly 12 includes a fixing bracket for fixed installation, a light source, and a camera. The light source and the camera are mounted on the front and rear double-row spline frame 4 through the fixing bracket. During the production process, the light source provides illumination, and the camera monitors the chip placement process. The process is recorded; a rotary transmission belt 21 is provided between the rotary stepper motor 13 and the spline sleeve 17 to realize transmission; a tensioning wheel 19 is provided on the inner wall of the front and rear double-row spline frame 4, and the tensioning wheel 19 is located between the rotary transmission belts 21, and the rotary transmission belts 21 are tensioned by the tensioning wheel 19; an X-axis slide plate 3 is provided at the bottom of the lower pressure plate 1 and is perpendicularly connected to it; an X-axis slide plate support 2 is provided at the angle between the lower pressure plate 1 and the X-axis slide plate 3; a second slider 11 is provided on the X-axis slide plate 3, wherein the X-axis slide plate 3 is located in the middle of the lower pressure plate 1; a first slider 10 is provided at the bottom of the lower pressure plate 1, and the first slider 10 is located below the front and rear double-row spline frame 4.

[0025] Working principle:

[0026] During the production process, long spline belt clamps 23 and short spline belt clamps 24 are respectively set on both sides of belt 16. The top of the long spline belt clamps 23 and short spline belt clamps 24 is provided with spline connectors 14 for connecting short spline 5 and long spline 6. Short spline 5 and long spline 6 are fixedly connected to spline connectors 14 respectively. The stepper motor 22 drives belt 16 to move long spline belt clamps 23 and short spline belt clamps 24 up and down through forward and reverse rotation, thereby driving short spline 5 and long spline 6 to move up and down. This realizes that one motor drives two splines, reducing the investment in motors and saving the cost of the pick-and-place machine. The rotating stepper motor 13 drives the rotating transmission belt 21 to rotate, and the rotating transmission belt 21 drives the spline sleeve 17 to rotate during the rotation.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A dual-row front-to-back linkage placement head for a pick-and-place machine, characterized in that, It includes a main structure, which includes a lower pressure base plate. The upper surface of the lower pressure base plate is provided with front and rear double-row spline frames and multiple belt assemblies. The front and rear double-row spline frame is provided with multiple sets of short splines and long splines distributed vertically. Each of the short splines and the long splines is provided with a spline sleeve. The spline sleeve is located inside the front and rear double-row spline frame. The front and rear double-row spline frame is provided with a camera assembly and a rotary stepper motor. The rotary stepper motor is drivenly connected to the spline sleeve. The belt assembly includes a belt and belt drive pulleys and drive pulleys located at both ends of the belt. The two ends of the belt are respectively sleeved on the belt drive pulleys and drive pulleys, and a sensor is provided at the front end of the drive pulley. A pressure stepper motor connected to the drive pulley is provided at the bottom of the pressure base plate. The belt is provided with a long spline belt clamp and a short spline belt clamp fixedly connected to both sides. The upper ends of the long spline belt clamp and the short spline belt clamp are respectively provided with spline connectors. One end of the short spline and the long spline are respectively fixedly connected to the spline connectors.

2. The pick-and-place machine double-row front-and-back linkage placement head according to claim 1, characterized in that: A machine head cover is provided on one side of the lower pressure base plate and is perpendicularly connected to it. The machine head cover is located on the lower side of the lower pressure base plate and is fixedly connected to the lower pressure base plate.

3. The pick-and-place machine double-row front and rear linkage placement head according to claim 2, characterized in that: A suction and ventilation component is installed on the outside of the machine head cover, and symmetrically distributed solenoid valves are installed on the suction and ventilation component.

4. The dual-row front-to-back linkage placement head for a chip mounter according to claim 1, characterized in that: The camera assembly includes a mounting bracket for fixed installation, a light source, and a camera. The light source and the camera are mounted on the front and rear double-row spline frame via the mounting bracket.

5. A dual-row front-to-back linkage placement head for a chip mounter according to claim 1, characterized in that: The front and rear double-row spline frame is a rectangular structure. A rotary transmission belt is provided between the rotary stepper motor and the spline sleeve to realize transmission. A tensioning wheel is provided on the inner wall of the front and rear double-row spline frame.

6. A dual-row front-to-back linkage placement head for a chip mounter according to claim 1, characterized in that: The bottom of the pressing base plate is provided with an X-axis sliding plate that is vertically connected to it. An X-axis sliding plate support is provided at the angle between the pressing base plate and the X-axis sliding plate. The X-axis sliding plate is provided with two symmetrically distributed sliders.

7. A dual-row front-to-back linkage placement head for a pick-and-place machine according to claim 1, characterized in that: The bottom of the pressure plate is provided with symmetrically distributed sliders, which are located below the front and rear double-row spline frame.

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