Sensor FPC hot riveting mechanism

Abstract

The utility model relates to the field of automatic production and assembly of sensors, and discloses a sensor FPC hot riveting mechanism which comprises an equipment rack, an installation substrate is arranged in the equipment rack, a rotating disc mechanism is arranged on the installation substrate, and a plurality of assembly jigs which are driven by the rotating disc mechanism and used for placing and assembling product parts are arranged on the rotating disc mechanism. The assembling jig is provided with two product placing holes side by side, and two FPC hot riveting mechanisms for conducting hot riveting on sensor FPCs in the two product placing holes in the assembling jig in sequence are further arranged in the equipment rack. The FPC hot riveting mechanism comprises a three-axis driving mechanism arranged on the mounting substrate, a hot riveting connecting mechanism which is arranged on the three-axis driving mechanism and is driven by the three-axis driving mechanism to move in the X-axis direction, the Y-axis direction and the Z-axis direction, and a pre-pressing mechanism, a hot riveting head and a hot riveting visual mechanism which are arranged on the hot riveting connecting mechanism. And the automation degree is high, the pre-pressing mechanism positions the product in advance, and the hot riveting precision and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor automation production and assembly field, especially sensor FPC hot riveting mechanism. BACKGROUND

[0002] With the development of social technology, the automation equipment is used more and more widely in various trades, which also drives the high speed development of various sensors. The ESC sensor generally completes the assembly of FPC flexible circuit board in the production and assembly process, and the board seat needs to be installed on the core body with the FPC flexible circuit board assembled, and the FPC flexible circuit board on the core body is buckled to the corresponding structure of the board seat, and then the FPC flexible circuit board on the core body is fixed to the corresponding position through hot riveting. The hot riveting process is generally directly hot riveted by manual operation, and the automation degree is low, and the hot riveting quality is not stable enough. UTILITY MODEL CONTENTS

[0003] The utility model provides sensor FPC hot riveting mechanism, solves the existing sensor production and assembly, and the FPC flexible circuit board hot riveting is fixed to the corresponding position, and the hot riveting process is generally directly hot riveted by manual operation, and the automation degree is low, and the hot riveting quality is not stable enough technical problem.

[0004] The utility model adopts the technical scheme that the technical problem of the utility model is solved: sensor FPC hot riveting mechanism, including equipment rack, be provided with the installation base plate in the equipment rack, be provided with the carousel mechanism on the installation base plate, be provided with a plurality of installation fixtures of the product component of arrangement on the carousel mechanism driven by it, two product arrangement acupoints are provided with on the installation fixture, still be provided with two FPC hot riveting mechanism that the sensor FPC in two product arrangement acupoints on the installation fixture is carried out hot riveting in proper order in the equipment rack, the FPC hot riveting mechanism includes the three -axis drive mechanism of setting up on the installation base plate, the hot riveting connecting mechanism that moves in X, Y, Z three -axis direction is driven on the three -axis drive mechanism and by three -axis drive mechanism on the hot riveting connecting mechanism, the pre -press mechanism, hot riveting head, hot riveting visual mechanism of setting up on the hot riveting connecting mechanism. The automation degree is high, and the pre -press mechanism is positioned to the product in advance, and the precision and quality of hot riveting are improved.

[0005] Further, the hot riveting connection mechanism comprises a first horizontal connection fixed plate, the hot riveting head comprises a plurality of vertical limiting rods arranged on the lower surface of the first horizontal connection fixed plate, a vertical sliding sleeve arranged on each vertical limiting rod and vertically limited by the vertical limiting rod, a second horizontal connection fixed plate horizontally fixed with the plurality of vertical sliding sleeves, a pressure sensing device connected to the upper and lower ends of the first horizontal connection fixed plate and the upper surface of the second horizontal connection fixed plate respectively, a heat insulation block fixed on the lower surface of the second horizontal connection fixed plate, and a hot riveting pressure structure fixed on the lower end of the heat insulation block. The pressure sensing device monitors the pressure of the hot riveting in real time during the hot riveting process, thereby avoiding damage to the product and incomplete riveting.

[0006] Further, the pre-pressing mechanism comprises a plurality of fixed limiting rods and a pre-pressing block. The plurality of fixed limiting rods are vertically fixed on the lower surface of the first horizontal connection fixed plate and located at the periphery of the hot riveting head. The lower end of the fixed limiting rod is provided with a cylindrical cavity. A connecting rod is arranged in the cylindrical cavity and vertically slides in the cavity. An elastic member is arranged between the bottom of the cylindrical cavity and the upper end of the connecting rod. The pre-pressing block is horizontally fixed on the plurality of connecting rods. The pre-pressing block is provided with a riveting window through which the hot riveting part of the hot riveting pressure structure passes. The lower end of the pre-pressing block is provided with a limiting concave table corresponding to the riveting window for pre-limiting the FPC and the plate seat on the inner core of the assembly jig. The product to be hot riveted is elastically positioned before hot riveting, thereby effectively improving the accuracy of hot riveting.

[0007] Further, the hot riveting mechanism and the hot riveting connection mechanism further comprise a first vertical connection fixed plate, a second vertical connection fixed plate, and a vertical connection support. Two rows of first horizontal fixed holes are uniformly arranged on the first vertical connection fixed plate. Two rows of first horizontal fixed waist-shaped holes are uniformly and spaced apart from the corresponding positions of the two rows of first horizontal fixed holes on the second vertical connection fixed plate. Two rows of second horizontal fixed holes are uniformly arranged on the two sides of the second vertical connection fixed plate. Two rows of second horizontal fixed waist-shaped holes are uniformly and spaced apart from the corresponding positions of the two rows of second horizontal fixed holes on the vertical connection support. The second vertical connection fixed plate is vertically fixed on the first vertical connection fixed plate by screwing the first horizontal fixed hole and the first horizontal fixed waist-shaped hole. The second horizontal fixed waist-shaped hole is vertically fixed on the second vertical connection fixed plate by screwing the second horizontal fixed hole and the second horizontal fixed waist-shaped hole. The hot riveting visual mechanism comprises an industrial vision camera and a ring-shaped light source which are respectively fixed on the second vertical connection fixed plate and the vertical connection support. The specific positions of the industrial vision camera and the ring-shaped light source can be adjusted according to the actual needs of different models of products, and the detection accuracy is higher.

[0008] Further, the first vertical connecting fixed plate and the second vertical connecting fixed plate are respectively provided with a vertical recess and a vertical protrusion on one side corresponding to each other.

[0009] Further, the second vertical connecting fixed plate is provided with an operating handle at the upper end, so that the industrial visual camera fixed on the second vertical connecting fixed plate can be adjusted in the vertical direction.

[0010] Further, the hot riveting visual mechanism is provided with an electrostatic removing connector, so that the bad influence of the high-precision FPC flexible circuit board on the electrostatic core of the hot riveting visual mechanism is eliminated.

[0011] Further, the mounting base is provided with a riveting detection mechanism for detecting the riveting quality of the riveted product, so that the efficiency and yield are effectively improved.

[0012] Further, the FPC hot riveting mechanism is provided with a smoke exhaust mechanism on one side, so that harmful pollution to the operation site is avoided. DETAILED DESCRIPTION

[0013] Figure 1 It is a front view of the utility model;

[0014] Figure 2 It is a front view of the FPC hot riveting mechanism;

[0015] Figure 3 It is a front view of the first horizontal connecting fixed plate, the pre-pressing mechanism and the hot riveting head;

[0016] Figure 4 It is a front view of the hot riveting connecting mechanism and the hot riveting visual mechanism.

[0017] In the figure, the marks are: equipment rack 100, mounting base 200, rotating disc mechanism 300, assembling jig 400, electrostatic removing connector 500, smoke exhaust mechanism 600, three-axis driving mechanism 710, hot riveting connecting mechanism 720, first horizontal connecting fixed plate 721, first vertical connecting fixed plate 722, second vertical connecting fixed plate 723, vertical connecting support 724, first horizontal fixed waist-shaped hole 725, second horizontal fixed waist-shaped hole 726, pre-pressing mechanism 730, fixed limiting rod 731, pre-pressing block 732, connecting rod 733, riveting window 734, hot riveting head 740, vertical limiting rod 741, vertical sliding sleeve 742, second horizontal connecting fixed plate 743, pressure sensing device 744, heat insulation block 745, hot riveting structure 746, hot riveting visual mechanism 750, industrial visual camera 751 and annular light source 752. DETAILED DESCRIPTION

[0018] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0019] As Figure 1 The sensor FPC hot riveting mechanism shown in the figure, including equipment rack 100, the equipment rack 100 is provided with mounting base plate 200, the mounting base plate 200 is provided with carousel mechanism 300, the carousel mechanism 300 is provided with multiple assembly jigs 400 that are driven by it and install product components, two product installation acupoints are provided on the assembly jigs 400, the equipment rack 100 is also provided with two FPC hot riveting mechanisms that successively hot rivet the sensor FPC in the two product installation acupoints on the assembly jigs 400, the FPC hot riveting mechanism includes three-axis drive mechanism 710 provided on mounting base plate 200, hot riveting connecting mechanism 720 that is driven to move in X, Y, Z three-axis direction on three-axis drive mechanism 710 and by three-axis drive mechanism 710, pre-pressing mechanism 730 provided on hot riveting connecting mechanism 720, hot riveting head 740, hot riveting visual mechanism 750.In specific implementation, three-axis drive mechanism 710 drives hot riveting head 740 to move to the above of the product structure that needs hot riveting under the positioning of hot riveting visual mechanism 750, pre-pressing mechanism 730 is located between the product structure that needs hot riveting and hot riveting head 740 at this time, in the process of three-axis drive mechanism 710 driving hot riveting head 740 to descend hot riveting, pre-pressing mechanism 730 is positioned to product in advance, improves the precision and quality of hot riveting.

[0020] On the basis described above, as Figures 1 to 3 The hot riveting connecting mechanism includes first horizontal connecting fixed plate 721, the hot riveting head 740 includes multiple vertical limit rods 741 provided on the lower surface of first horizontal connecting fixed plate 721, vertical slide sleeve 742 that is sleeved on the vertical limit rod 741 and is limited to slide vertically by vertical limit rod 741, second horizontal connecting fixed plate 743 that is horizontally fixed with multiple vertical slide sleeve 742, pressure sensing device 744 that is connected to the lower surface of first horizontal connecting fixed plate 721 and the upper surface of second horizontal connecting fixed plate 743 respectively at the upper and lower ends, heat insulation block 745 fixed on the lower surface of second horizontal connecting fixed plate 743 and hot riveting pressure structure 746 fixed on the lower end of heat insulation block 745.During hot riveting, pressure sensing device 744 monitors the pressure of hot riveting in real time, avoids damaging the product and riveting incompletely.

[0021] On the basis described above, as 1 to Figure 3As shown, the pre-pressing mechanism 730 includes a plurality of fixed limiting rods 731 and a pre-pressing block 732. The plurality of fixed limiting rods 731 are vertically fixed on the lower surface of the first horizontal connecting fixed plate 721 and located at the periphery of the hot riveting head 740. The lower end of the fixed limiting rod 731 is provided with a cylindrical cavity, and a connecting rod 733 vertically slidingly limited in the cavity is arranged in the cylindrical cavity. An elastic member is arranged between the bottom of the cylindrical cavity and the upper end of the connecting rod 733. The pre-pressing block 732 is horizontally fixed on the plurality of connecting rods 733. The pre-pressing block 732 is provided with a riveting window 734 for the hot riveting part of the hot riveting and pressing structure 746 to pass through. The lower end of the pre-pressing block 732 is provided with a limiting concave table corresponding to the riveting window 734 for pre-limiting the FPC and the plate seat in the inner core of the assembly jig 400. The elastic positioning of the product to be hot riveting and pressing is performed before hot riveting and pressing, which effectively improves the accuracy of hot riveting.

[0022] On the basis of the above, Figures 1 to 4 As shown, the hot riveting mechanism hot riveting connecting mechanism 720 further includes a first vertical connecting fixed plate 722, a second vertical connecting fixed plate 723, and a vertical connecting bracket 724. The first vertical connecting fixed plate 722 is vertically and uniformly arranged with two columns of first horizontal fixed holes. The second vertical connecting fixed plate 723 is uniformly and spacedly arranged with two columns of first horizontal fixed waist-shaped holes 725 corresponding to the two columns of first horizontal fixed holes. The two sides of the second vertical connecting fixed plate 723 are vertically and uniformly arranged with two columns of second horizontal fixed holes. The vertical connecting bracket 724 is uniformly and spacedly arranged with two columns of second horizontal fixed waist-shaped holes 726 corresponding to the two columns of second horizontal fixed holes. The second vertical connecting fixed plate 723 is vertically fixed on the first vertical connecting fixed plate 722 by screwing the first horizontal fixed holes and the first horizontal fixed waist-shaped holes 725. The second horizontal fixed waist-shaped holes 726 are vertically fixed on the second vertical connecting fixed plate 723 by screwing the second horizontal fixed holes and the second horizontal fixed waist-shaped holes 726. The hot riveting visual mechanism 750 includes an industrial visual camera 751 and a ring-shaped light source 752 corresponding to the second vertical connecting fixed plate 723 and the vertical connecting bracket 724, respectively. The specific positions of the industrial visual camera 751 and the ring-shaped light source 752 can be adjusted according to the actual needs of different models of products, and the detection accuracy is higher.

[0023] On the basis of the above, as shown in 1 to Figure 3 As shown, one side of the first vertical connecting fixed plate 722 and the second vertical connecting fixed plate 723 respectively corresponds to a matching vertical recess and a vertical protrusion. The fixed direction of the industrial visual camera 751 in the adjustment process is more accurate, ensuring that the vertical direction of the industrial visual camera 751 does not deviate, further improving the detection accuracy.

[0024] On the basis of the above, as shown in Figure 1 、 Figure 2 and Figure 4 , the upper end of the second vertical connecting fixed plate 723 is provided with an operating handle. The industrial vision camera 751 fixed on the second vertical connecting fixed plate 723 is adjusted in the vertical direction.

[0025] On the basis of the above, as shown in Figure 1 、 Figure 2 and Figure 4 , the hot riveting vision mechanism 750 is provided with an anti-static connector 500. The adverse effects of the high-precision FPC flexible circuit board on the static core of the hot riveting vision mechanism 750 are eliminated.

[0026] On the basis of the above, as shown in Figure 1 , the mounting substrate 200 is provided with a riveting detection mechanism for detecting the riveting quality of the hot riveted product. In specific implementation, the riveting detection mechanism includes a vision moving module for driving the industrial camera to move horizontally. The vision moving module is a linear motor, and can also be a stroke-controllable air cylinder according to actual conditions. The hot riveted product is detected. When the hot riveting does not meet the requirements and meets the original hot riveting condition, the hot riveting can be performed again, effectively improving the efficiency and yield.

[0027] On the basis of the above, as shown in Figure 1 , one side of the FPC hot riveting mechanism is provided with a smoke exhaust mechanism 600. In specific implementation, the smoke exhaust mechanism 600 is a smoke suction device with a smoke suction corrugated pipe purchased on the market, which avoids harmful pollution to the operating site.

[0028] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present application. It should be understood that the above is only a specific embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A sensor FPC hot riveting mechanism, comprising a device rack (100), a mounting base plate (200) is arranged in the device rack (100), and a turntable mechanism (300) is arranged on the mounting base plate (200), characterized in that: The rotary table mechanism (300) is provided with a plurality of assembly jigs (400) for placing assembled product components driven by the rotary table mechanism (300), the assembly jigs (400) are provided with two product placement cavities side by side, and the equipment rack (100) is further provided with two FPC hot riveting mechanisms for sequentially hot riveting sensors FPC in the two product placement cavities of the assembly jigs (400), respectively, the FPC hot riveting mechanism comprises a three-axis driving mechanism (710) provided on the mounting base plate (200), a hot riveting connecting mechanism (720) provided on and driven by the three-axis driving mechanism (710) to move in X, Y and Z three-axis directions, a pre-pressing mechanism (730) provided on the hot riveting connecting mechanism (720), a hot riveting head (740), and a hot riveting visual mechanism (750).

2. The sensor FPC swaging mechanism of claim 1, wherein: The hot riveting connecting mechanism comprises a first horizontal connecting fixed plate (721), the hot riveting head (740) comprises a plurality of vertical limiting rods (741) provided on the lower surface of the first horizontal connecting fixed plate (721), a vertical sliding sleeve (742) sleeved on each vertical limiting rod (741) and limited in vertical direction by the vertical limiting rod (741), a second horizontal connecting fixed plate (743) horizontally fixed with a plurality of vertical sliding sleeves (742), a pressure sensing device (744) connected to the lower surface of the first horizontal connecting fixed plate (721) and the upper surface of the second horizontal connecting fixed plate (743) at the upper and lower ends, respectively, a heat insulation block (745) fixed on the lower surface of the second horizontal connecting fixed plate (743), and a hot riveting pressing structure (746) fixed on the lower end of the heat insulation block (745).

3. The sensor FPC swaging mechanism of claim 2, wherein: The pre-pressing mechanism (730) comprises a plurality of fixed limiting rods (731) and pre-pressing blocks (732), a plurality of fixed limiting rods (731) are vertically fixed on the lower surface of the first horizontal connecting fixed plate (721) and located at the periphery of the hot riveting head (740), the lower end of the fixed limiting rod (731) is provided with a cylindrical cavity, a connecting rod (733) is provided in the cylindrical cavity and limited to vertically slide in the cylindrical cavity, an elastic member is provided between the bottom of the cylindrical cavity and the upper end of the connecting rod (733), the pre-pressing block (732) is horizontally fixed on a plurality of connecting rods (733), the pre-pressing block (732) is provided with a riveting window (734) for the hot riveting part of the hot riveting pressing structure (746) to pass through, and the lower end of the pre-pressing block (732) is provided with a limiting recess corresponding to the riveting window (734) for limiting the FPC and the plate seat on the core body in the assembly jig (400) in advance.

4. The sensor FPC swaging mechanism of claim 2, wherein: The hot riveting connection mechanism (720) further comprises a first vertical connection fixed plate (722), a second vertical connection fixed plate (723) and a vertical connection support (724), the first vertical connection fixed plate (722) is vertically and uniformly arranged with two columns of first horizontal fixed holes, the second vertical connection fixed plate (723) is uniformly and spacedly arranged with two columns of first horizontal fixed waist-shaped holes (725) at positions corresponding to the two columns of first horizontal fixed holes, the two sides of the second vertical connection fixed plate (723) are vertically and uniformly arranged with two columns of second horizontal fixed holes, the vertical connection support (724) is uniformly and spacedly arranged with two columns of second horizontal fixed waist-shaped holes (726) at positions corresponding to the two columns of second horizontal fixed holes, the second vertical connection fixed plate (723) is vertically fixed on the first vertical connection fixed plate (722) by screwing the first horizontal fixed holes and the first horizontal fixed waist-shaped holes (725), the second horizontal fixed waist-shaped holes (726) are vertically fixed on the second vertical connection fixed plate (723) by screwing the second horizontal fixed holes and the second horizontal fixed waist-shaped holes (726), and the hot riveting visual mechanism (750) comprises an industrial visual camera (751) and a ring-shaped light source (752) which are respectively fixed on the second vertical connection fixed plate (723) and the vertical connection support (724).

5. The sensor FPC swaging mechanism of claim 4, wherein: The first vertical connection fixed plate (722) and the second vertical connection fixed plate (723) are respectively provided with matching vertical recesses and vertical protrusions on corresponding surfaces.

6. The sensor FPC swaging mechanism of claim 4, wherein: The second vertical connection fixed plate (723) is provided with an operating handle at an upper end.

7. The sensor FPC swaging mechanism of claim 1, wherein: The hot riveting visual mechanism (750) is provided with an electrostatic joint (500).

8. The sensor FPC swaging mechanism of claim 1, wherein: The mounting base plate (200) is provided with a riveting detection mechanism for detecting the riveting quality of a product after hot riveting.

9. The sensor FPC swaging mechanism of claim 1, wherein: One side of the FPC hot riveting mechanism is provided with a smoke exhaust mechanism (600).

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