Industrial robot for assembling loudspeaker expansion pin

Abstract

The invention discloses an industrial robot for loudspeaker expansion pin assembly, and relates to the technical field of expansion pin assembly.The industrial robot comprises a cylinder, a servo motor is installed on the upper surface of the cylinder, the output end of the servo motor extends into the cylinder and is provided with a rotating part, a limiting hole is internally slidably connected with a limiting part, and the limiting part is engaged with the rotating part; extrusion pieces are installed at the upper ends of the limiting pieces. A plurality of second gears are meshed on the annular surface of the first gear, the second gears are meshed with third gears to drive a plurality of third gears to rotate, the third gears rotate to drive a limiting cylinder and a horn cylinder to rotate, assembly of a plurality of expansion pins is achieved, and the assembly speed of the expansion pins is increased; and due to the fact that the second gear passes through an adjusting structure composed of an arc-shaped block, a bearing, a first screw and a threaded cylinder, the position of the second gear is adjusted through the adjusting structure, then the second gear can be meshed with third gears at different positions, and the device meets the installation requirements for different numbers of expansion pins at different positions.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of expansion pin assembly, in particular to an industrial robot for speaker expansion pin assembly. BACKGROUND

[0002] In the traditional technology, the expansion column type speaker assembly steps are as follows: first, the operator visually judges the hole position in the circuit board, the operator holds the speaker and manually presses the expansion column to the circuit board hole, so that the expansion column passes through the circuit board hole, the lower end of the expansion column is a protruding inverted angle structure, and after the expansion column is pressed into the hole, the expansion column and the circuit board hole are matched through the gap, thereby achieving the pre-fixing effect.

[0003] For the expansion column position fixed, the expansion pin of the expansion column head rotation type, the expansion column head is rotated by using a wrench or the like, so that the expansion column expands the expansion pin, the hole is clamped through the inverted angle structure at the lower end of the expansion column, and the expansion degree of the expansion column determines the fastening degree of the connection, and the expansion pin pressing stroke determines the expansion degree of the expansion column.

[0004] Since most of the existing technologies adopt manual rotation of the expansion column head, differences are caused in the expansion of different expansion pins, and the manual rotation of the expansion column head is slow in installation efficiency. SUMMARY

[0005] The present application aims to provide an industrial robot for speaker expansion pin assembly to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an industrial robot for speaker expansion pin assembly, comprising a cylinder, a servo motor is installed on the upper surface of the cylinder, the output end of the servo motor extends into the cylinder and is provided with a rotating part, a plurality of circular grooves are formed in the cylinder, the rotating part is arranged in the circular groove, a plurality of limiting holes are formed outside the circular groove, a limiting part is slidably connected in the limiting hole, the limiting part is engaged with the rotating part, an extrusion part is installed on the upper end of the limiting part, an annular groove is formed in the top of the cylinder, and the extrusion part is slidably connected in the annular groove.

[0007] Further, the rotating part comprises a first gear, the first gear is arranged in the cylinder and connected with the output end of the servo motor, a plurality of second gears are engaged with the annular surface of the first gear, the second gears are engaged with the limiting part, an adjusting part is slidably connected in the circular groove, and the adjusting part is connected with the second gears.

[0008] Further, the adjusting piece comprises an arc-shaped block, the arc-shaped block is slidably connected in the circular groove, a bearing is installed on the upper surface of the arc-shaped block, a first screw rod is installed in the bearing, a threaded cylinder is threadedly connected to the end of the first screw rod away from the bearing, and the end of the threaded cylinder away from the first screw rod is connected with a second gear.

[0009] Further, a plurality of arc-shaped grooves are formed in the lower surface of the cylinder and communicated with the circular groove, a second screw rod is slidably connected in the arc-shaped groove, the upper end of the second screw rod is connected with the arc-shaped block, a nut is threadedly connected to the end of the second screw rod away from the arc-shaped block, and the nut is in contact with the lower surface of the cylinder.

[0010] Further, the limiting piece comprises a limiting cylinder matched with the head of the expansion column, the limiting cylinder is slidably connected in the limiting hole, a horn cylinder is installed at the lower end of the limiting cylinder, a third gear is installed at the upper end of the limiting cylinder, the third gear is engaged with the second gear, and the extruding piece is installed on the upper surface of the third gear.

[0011] Further, the extruding piece comprises an extruding rod, the extruding rod is installed on the upper surface of the third gear, an extruding cylinder is sleeved on the annular surface of the extruding rod, a moving piece is installed at the end of the extruding cylinder away from the extruding rod, the moving piece is slidably connected in the annular groove, an elastic piece is installed in the extruding cylinder, and the elastic piece is connected with the extruding rod.

[0012] Further, the moving piece comprises a moving block, the moving block is slidably connected in the annular groove, a horizontal plate is installed on the side of the moving block facing away from the annular groove, a U-shaped frame is installed on the side of the horizontal plate away from the moving block, a moving ring is slidably connected with the horizontal part of the U-shaped frame, and the extruding cylinder is connected with the moving ring.

[0013] Further, the horn cylinder is installed with a protective pad at the end away from the limiting cylinder.

[0014] Further, the upper surface of the cylinder is provided with a hydraulic rod, the hydraulic cylinder is movably installed with a support plate, a plurality of support rods are installed on the lower surface of the support plate, and the ends of the support rods away from the support plate are connected with the cylinder.

[0015] Further, the lower surface of the cylinder is provided with a bottom plate, a limiting groove is formed in the upper surface of the bottom plate, a plurality of connecting rods are installed at the edges of the upper surface of the bottom plate, the ends of the connecting rods away from the bottom plate are installed with connecting rods, the ends of the connecting rods away from the bottom plate are installed with connecting plates, the hydraulic rod is installed on the upper surface of the connecting plate, and the hydraulic rod penetrates through the connecting plate.

[0016] The industrial robot for assembling the loudspeaker expansion pin has the following beneficial effects: 1. The first gear ring surface engages a plurality of second gears, the second gears engage the third gears, the third gears rotate to drive the restriction cylinder and the horn cylinder, thereby realizing simultaneous assembly of a plurality of expansion pins, improving the expansion pin assembly speed, and the second gears are adjusted by the adjusting structure composed of the arc block, bearing, first screw and threaded cylinder, and the adjusting structure adjusts the position of the second gears, thereby enabling engagement with third gears at different positions, so that the device meets the installation requirements of expansion pins at different positions and different quantities.

[0017] 2. The third gear is provided with an extrusion structure composed of an extrusion rod, an extrusion cylinder and an elastic member, the extrusion structure abuts against the third gear and drives the third gear to change position, when the restriction cylinder drives the expansion pin to rotate and the position changes, the height of the third gear also changes, when the third gear no longer contacts the second gear, the second gear cannot continue to drive the third gear to rotate, at this time the expansion pin cannot rotate, thereby ensuring that the expansion of a plurality of expansion pins has the same amplitude, and when the expansion pin is not needed to be installed, the extrusion structure abuts against the restriction cylinder and the horn cylinder to contact the loudspeaker, so that the loudspeaker and the circuit board are more closely attached. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The present application is a kind of industrial robot assembly diagram for loudspeaker expansion pin assembly; Figure 2 The present application is a kind of restriction cylinder and horn cylinder and cylinder assembly diagram for loudspeaker expansion pin assembly of industrial robot; Figure 3 The present application is a kind of cylinder sectional view for loudspeaker expansion pin assembly of industrial robot; Figure 4 The present application is a kind of restriction cylinder and horn cylinder and extrusion rod and extrusion cylinder and cylinder assembly diagram for loudspeaker expansion pin assembly of industrial robot; Figure 5 The present application is a kind of extrusion rod and elastic member and extrusion cylinder assembly diagram for loudspeaker expansion pin assembly of industrial robot; Figure 6 The present application is a kind of second screw and nut and threaded cylinder and first screw and arc block assembly diagram for loudspeaker expansion pin assembly of industrial robot; Figure 7 The present application is a kind of first gear, second gear and third gear assembly diagram for loudspeaker expansion pin assembly of industrial robot.

[0019] In the figure: 1, cylinder; 2, connecting rod; 3, support rod; 4, support plate; 5, connecting plate; 6, hydraulic rod; 7, servo motor; 8, bottom plate; 9, limiting groove; 10, limiting cylinder; 11, horn cylinder; 12, limiting hole; 13, second screw; 14, nut; 15, arc-shaped groove; 16, annular groove; 17, circular groove; 18, protective pad; 19, third gear; 20, extrusion rod; 21, extrusion cylinder; 22, U-shaped frame; 23, moving block; 24, cross plate; 25, moving ring; 26, elastic member; 27, second gear; 28, threaded cylinder; 29, first screw; 30, bearing; 31, arc-shaped block; 32, first gear. DETAILED DESCRIPTION

[0020] Please refer to Figures 1 to 7 The present application provides technical solutions: a kind of industrial robot for loudspeaker expansion pin assembly, including cylinder 1, servo motor 7 is installed on the upper surface of cylinder 1, servo motor 7 output extends to cylinder 1 and is equipped with first gear 32, first gear 32 annular surface is engaged with multiple second gears 27, multiple circular grooves 17 are set in cylinder 1, arc-shaped block 31 is slidably connected in circular groove 17, bearing 30 is installed on the upper surface of arc-shaped block 31, first screw 29 is installed in bearing 30, threaded cylinder 28 is threadedly connected to the end of first screw 29 away from bearing 30, the end of threaded cylinder 28 away from first screw 29 is connected with second gear 27, start servo motor 7 to drive first gear 32 rotation, first gear 32 rotation can drive multiple second gears 27 rotation.

[0021] Multiple limiting holes 12 are set in the outer side of circular groove 17, limiting cylinder 10 is slidably connected in limiting hole 12, the limiting cylinder 10 is matched with the size of expansion stud head, horn cylinder 11 is installed at the lower end of limiting cylinder 10, protective pad 18 is installed at the end of horn cylinder 11 away from limiting cylinder 10, the function of the horn cylinder 11 is to facilitate expansion stud head to be inserted into limiting cylinder 10, third gear 19 is installed at the upper end of limiting cylinder 10, third gear 19 is engaged with second gear 27, when second gear 27 rotates, third gear 19 can be driven to rotate, third gear 19 drives limiting cylinder 10 to rotate, to realize the simultaneous assembly of multiple expansion pins, improve the assembly speed of expansion pin.

[0022] A plurality of arc-shaped grooves 15 are formed in the lower surface of the cylinder 1 and communicated with the circular groove 17, a second screw rod 13 is slidably connected in the arc-shaped groove 15, the upper end of the second screw rod 13 is connected with the arc-shaped block 31, a nut 14 is threadedly connected at the end of the second screw rod 13 away from the arc-shaped block 31, the nut 14 is in contact with the lower surface of the cylinder 1, the position of the second gear 27 is adjusted by the adjusting structure composed of the arc-shaped block 31, the bearing 30, the first screw rod 29 and the threaded cylinder 28, the second gear 27 is fixed by the second screw rod 13 and the nut 14, and then can be engaged with the third gear 19 at different positions, so that the device can meet the installation requirements of the expansion pins at different positions and different quantities.

[0023] The upper surface of the third gear 19 is provided with an extrusion rod 20, the annular surface of the extrusion rod 20 is sleeved with an extrusion cylinder 21, the extrusion cylinder 21 is provided with an elastic element 26, the elastic element 26 is a spring, the elastic element 26 is in a normal state, the elastic element 26 is connected with the extrusion rod 20, the top of the cylinder 1 is provided with an annular groove 16, a moving block 23 is slidably connected in the annular groove 16, a horizontal plate 24 is installed on the side of the moving block 23 away from the annular groove 16, a U-shaped bracket 22 is installed on the side of the horizontal plate 24 away from the moving block 23, a moving ring 25 is slidably connected with the horizontal part of the U-shaped bracket 22, the extrusion cylinder 21 is connected with the moving ring 25.

[0024] The extrusion structure composed of the extrusion rod 20, the extrusion cylinder 21 and the elastic element 26 is installed on the upper surface of the third gear 19, the third gear 19 is resisted by the extrusion structure and the position of the third gear 19 is changed, when the position of the expansion pin is changed by the rotation of the limiting cylinder 10, the height of the third gear 19 is also changed, when the third gear 19 is no longer in contact with the second gear 27, the second gear 27 cannot continue to drive the third gear 19 to rotate, at this time the expansion pin cannot rotate, thereby ensuring that the expansion amplitude of the plurality of expansion pins in the hole of the circuit board is the same, and when the expansion pin is not needed to be installed, the extrusion structure resists the limiting cylinder 10 and the horn cylinder 11 to contact the loudspeaker, so that the loudspeaker and the circuit board are more closely attached.

[0025] The upper surface of the cylinder 1 is provided with a hydraulic rod 6, the movable hydraulic cylinder is provided with a support plate 4, the lower surface of the support plate 4 is provided with a plurality of support rods 3, the ends of the support rods 3 away from the support plate 4 are connected with the cylinder 1, the position of the cylinder 1 is lowered by the extension and retraction of the movable end of the hydraulic rod 6, the head of the expansion pin is inserted into the limiting cylinder 10, the upper surface of the bottom plate 8 is provided with a limiting groove 9, the limiting groove 9 is used for assembling the loudspeaker and the circuit board, a plurality of connecting rods 2 are installed at the edge of the upper surface of the bottom plate 8, the ends of the connecting rods 2 away from the bottom plate 8 are provided with connecting rods 2, the ends of the connecting rods 2 away from the bottom plate 8 are provided with connecting plates 5, the hydraulic rod 6 is installed on the upper surface of the connecting plate 5, and the movable hydraulic rod 6 penetrates through the connecting plate 5.

[0026] In summary, the industrial robot for assembling loudspeaker expansion pins uses the following method: first, place the loudspeaker and circuit board together in the limiting groove 9 on the base plate 8, then insert the expansion pin into the hole of the loudspeaker and circuit board, then extend the moving end of the hydraulic rod 6, cover the expansion pin head with the limiting cylinder 10, then start the servo motor 7 to drive the first gear 32 to rotate, the first gear 32 drives the second gear 27 to rotate, and the second gear 27 drives the third gear 19 at different positions to rotate, at this time, the third gear 19 at different positions can rotate the expansion pin head, so that the expansion pin fixes the hole of the loudspeaker and circuit board, as the expansion pin head rotates, the position also rises, thereby driving the third gear 19 to rise, when the third gear 19 is no longer in contact with the second gear 27, the limiting cylinder 10 stops rotating, at this time, the expansion pin will not expand again, thereby ensuring that the expansion of multiple expansion pins is the same.

[0027] When assembling different loudspeakers and circuit boards, the position and number of expansion pins to be assembled change, at this time, the position of the second gear 27 can be adjusted through the second screw 13 and the nut 14, so that the second gear 27 can still mesh with the third gear 19 at different positions, so that the device meets the installation requirements of expansion pins at different positions and different numbers, as for the third gear 19 that does not need to rotate, adjust the position of the second gear 27 so that the second gear 27 does not mesh with the third gear 19, and when part of the area no longer needs to install the expansion pin, the limiting cylinder 10 and the horn cylinder 11 originally arranged at the position are in contact with the loudspeaker under the extrusion of the extrusion structure composed of the extrusion rod 20, the extrusion cylinder 21 and the elastic member 26, and resist the loudspeaker and circuit board, ensuring that there is no gap when the expansion pin is installed, ensuring that the loudspeaker and circuit board are installed more closely.

[0028] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments are chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An industrial robot for loudspeaker spider assembly, comprising a cylinder (1), characterized in that, The upper surface of the cylinder (1) is provided with a servo motor (7), the output end of the servo motor (7) extends into the cylinder (1) and is provided with a rotating part, a plurality of circular grooves (17) are formed in the cylinder (1), the rotating part is arranged in the circular groove (17), a plurality of limiting holes (12) are formed outside the circular groove (17), a limiting part is slidably connected in the limiting hole (12), the limiting part is engaged with the rotating part, an extrusion part is arranged on the upper end of the limiting part, and an annular groove (16) is formed in the top of the cylinder (1), and the extrusion part is slidably connected in the annular groove (16).

2. The industrial robot for speaker spider pin assembly of claim 1, wherein, The rotating part comprises a first gear (32), the first gear (32) is arranged in the cylinder (1) and connected with the output end of the servo motor (7), a plurality of second gears (27) are engaged with the annular surface of the first gear (32), the second gear (27) is engaged with the limiting part, and an adjusting part is slidably connected in the circular groove (17) and connected with the second gear (27).

3. The industrial robot for speaker spider pin assembly of claim 2, wherein, The adjusting part comprises an arc-shaped block (31), the arc-shaped block (31) is slidably connected in the circular groove (17), a bearing (30) is arranged on the upper surface of the arc-shaped block (31), a first screw rod (29) is arranged in the bearing (30), a threaded barrel (28) is threadedly connected to the end of the first screw rod (29) away from the bearing (30), and the end of the threaded barrel (28) away from the first screw rod (29) is connected with the second gear (27).

4. The industrial robot for speaker spider pin assembly of claim 3, wherein, A plurality of arc-shaped grooves (15) are formed in the lower surface of the cylinder (1) and communicated with the circular groove (17), a second screw rod (13) is slidably connected in the arc-shaped groove (15), the upper end of the second screw rod (13) is connected with the arc-shaped block (31), a nut (14) is threadedly connected to the end of the second screw rod (13) away from the arc-shaped block (31), and the nut (14) is in contact with the lower surface of the cylinder (1).

5. The industrial robot for speaker spider pin assembly of claim 2, wherein, The limiting part comprises a limiting barrel (10) matched with the head of the expansion column, the limiting barrel (10) is slidably connected in the limiting hole (12), a horn barrel (11) is arranged on the lower end of the limiting barrel (10), a third gear (19) is arranged on the upper end of the limiting barrel (10), the third gear (19) is engaged with the second gear (27), and the extrusion part is arranged on the upper surface of the third gear (19).

6. An industrial robot for speaker bolt assembly according to claim 5, characterized in that, The extrusion part comprises an extrusion rod (20), the extrusion rod (20) is arranged on the upper surface of the third gear (19), an extrusion barrel (21) is sleeved on the annular surface of the extrusion rod (20), a moving part is arranged on the end of the extrusion barrel (21) away from the extrusion rod (20), the moving part is slidably connected in the annular groove (16), an elastic part (26) is arranged in the extrusion barrel (21), and the elastic part (26) is connected with the extrusion rod (20).

7. An industrial robot for speaker bolt assembly according to claim 6, characterized in that, The moving piece comprises a moving block (23) which is slidingly connected in the annular groove (16), a horizontal plate (24) is installed on the side of the moving block (23) facing the outside of the annular groove (16), a U-shaped frame (22) is installed on the side of the horizontal plate (24) away from the moving block (23), a moving ring (25) is slidingly connected with the horizontal part of the U-shaped frame (22), and the extrusion cylinder (21) is connected with the moving ring (25).

8. The industrial robot for speaker spider pin assembly of claim 5, wherein, The loudspeaker cylinder (11) is provided with a protective pad (18) at the end away from the limiting cylinder (10).

9. The industrial robot for speaker spider pin assembly of claim 1, wherein, The upper surface of the cylinder (1) is provided with a hydraulic rod (6), the hydraulic cylinder is movably installed with a support plate (4), the lower surface of the support plate (4) is installed with a plurality of support rods (3), and the end of the support rod (3) away from the support plate (4) is connected with the cylinder (1).

10. An industrial robot for speaker bolt assembly according to claim 9, characterized in that, The lower surface of the cylinder (1) is provided with a bottom plate (8), the upper surface of the bottom plate (8) is provided with a limiting groove (9), the edge of the upper surface of the bottom plate (8) is installed with a plurality of connecting rods (2), the end of the connecting rod (2) away from the bottom plate (8) is installed with a connecting rod (2), the end of the connecting rod (2) away from the bottom plate (8) is installed with a connecting plate (5), the hydraulic rod (6) is installed on the upper surface of the connecting plate (5), and the hydraulic rod (6) penetrates the connecting plate (5) movably.

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