Suction device capable of adjusting suction size

Abstract

The invention relates to a suction device capable of adjusting the suction size, which is characterized in that an adjusting unit and a suction unit are separately arranged, an adjusting driver of the adjusting unit and a suction cup of the suction unit can be separately arranged, the adjusting unit is fixedly arranged, only the suction cup is conveyed along with a workpiece, and a workpiece conveying device does not need to bear the adjusting driver of the distance between the suction cups. The effect of reducing the load of the conveying device is achieved; in addition, the adjusting unit can adjust the distance between the two axial directions of the suction cup only through a single adjusting driver, and the effect that the distance between the two axial directions of the suction cup can be adjusted through the single adjusting driver is achieved.

Description

Technical Field

[0001] The present invention relates to a suction device with adjustable suction size, and in particular to a design in which a suction cup and a suction cup spacing adjustment driver are separately arranged. Background Art

[0002] TWI792970 discloses a pick-and-place device capable of automatically resizing, comprising a fixed seat, a movable seat, at least one first power source, at least two fasteners, and a plurality of suction cups. The first power source is disposed on the fixed seat, and the movable seat is connected to the first power source. The two fasteners and the suction cups are disposed on the fixed seat and the movable seat, and the first power source can push the movable seat, causing the two fasteners disposed on the fixed seat and the movable seat to change the spacing, so that the two fasteners can be used to fasten jigs of different sizes, and the suction cups can absorb the jigs. Therefore, the pick-and-place device can automatically resize and can be used for jigs of different sizes for picking up and placing jigs and panels.

[0003] However, when the aforementioned patent case transports workpieces (jigs and panels), the spacing adjustment actuator is transported together with the suction cups. However, since the adjustment actuator is very heavy, the transport device must bear a larger load. Moreover, the patent case can only automatically adjust the size (suction cup spacing) in a single axis, and the suction cup spacing in the other axis can only be adjusted manually. Summary of the Invention

[0004] To address the problem in prior art where the suction cup and spacing adjustment actuator are transported along with the workpiece, resulting in a heavy load on the transport device, the present invention provides a suction device with adjustable suction size. The suction cup and suction cup spacing adjustment actuator are separated, allowing only the suction cup to be transported along with the workpiece, thereby reducing the load on the transport device. Furthermore, a single adjustment actuator can be used to adjust the two axial spacings of the suction cup. The technical solution adopted by the present invention to solve its technical problem is: A suction device with adjustable suction size, comprising: First to fourth bidirectional telescopic slide rod assemblies, each bidirectional telescopic slide rod assembly is provided with a linear guide rail on both sides of the base rod, each linear guide rail has a guide rail slide, each guide rail slide is coupled to the tail end of the telescopic rod, and each telescopic rod is provided with a locking pin; The suction unit is configured to dispose the first and second bidirectional telescopic slide rod groups in parallel on the connecting plate, and to connect the first movable plate and the second movable plate at the head ends of the telescopic rods that are telescopically telescopic in the same direction of the first and second bidirectional telescopic slide rod groups. The third bidirectional telescopic slide rod group is disposed on the first movable plate, and the fourth bidirectional telescopic slide rod group is disposed on the second movable plate, so that the third and fourth bidirectional telescopic slide rod groups are disposed in parallel, and the first / second bidirectional telescopic slide rod group and the third / fourth bidirectional telescopic slide rod group are disposed perpendicularly. A suction cup is disposed at the head end of each telescopic rod of the third and fourth bidirectional telescopic slide rod groups, and an adjustment push column is disposed on each telescopic rod of the third and fourth bidirectional telescopic slide rod groups.

[0005] The locking unit is provided with a first / second locking driver and two rows of locking holes on the connecting plate relative to the first / second bidirectional telescopic slide rod group. The first / second locking driver is connected to the base rod of the first / second bidirectional telescopic slide rod group, and drives the first / second bidirectional telescopic slide rod group to move closer to or away from the connecting plate, so that each locking pin of the first / second bidirectional telescopic slide rod group is inserted into the corresponding locking hole, thereby locking each telescopic rod of the first / second bidirectional telescopic slide rod group, or each locking pin of the first / second bidirectional telescopic slide rod group is disengaged from the corresponding locking hole, thereby allowing the first / second bidirectional telescopic slide rod group to be locked. Each of the telescopic rods is telescopic; the first / the second movable plate is provided with a third / fourth locking driver and two rows of locking holes relative to the third / the fourth bidirectional telescopic slide rod group, the third / the fourth locking driver is connected to the base rod of the third / the fourth bidirectional telescopic slide rod group, and drives the third / the fourth bidirectional telescopic slide rod group to move closer to or away from the first / the second movable plate, so that each of the locking pins of the third / the fourth bidirectional telescopic slide rod group is inserted into the corresponding locking hole, thereby locking each of the telescopic rods of the third / the fourth bidirectional telescopic slide rod group, or each of the locking pins of the third / the fourth bidirectional telescopic slide rod group is disengaged from the corresponding locking hole, and The telescopic rods of the third / fourth bidirectional telescopic slide rod group are made telescopic; the adjustment unit sets the conveying belt group on the base frame, the base frame is provided with a pair of slide rails, the pair of slide rails are provided with a pair of slides, the pair of slides are each provided with an adjustment push plate, and the pair of slides are respectively connected to the opposite sides of the belts of the conveying belt group, and the adjustment driver is used to drive the pair of slides and the pair of adjustment push plates to slide synchronously in the opposite direction, and then the synchronous reverse sliding of the pair of adjustment push plates is used to push each adjustment push column, thereby adjusting the position of each suction cup; and a conveying and rotating unit is provided for the connection plate to connect, and the suction unit and the locking unit are conveyed to the adjustment unit, first through the The sliding of the adjustment push plate pushes the corresponding adjustment push posts, so that the two telescopic rods of the corresponding two-way telescopic slide rod groups are synchronously telescoped in opposite directions, and the telescopic lengths of the corresponding telescopic rods are synchronously adjusted in opposite directions to complete the adjustment of the positions of the suction cups in the first adjustment axis; the connecting plate is then rotated 90 degrees, and the sliding of the pair of adjustment push plates pushes the corresponding adjustment push posts, so that the two telescopic rods of the corresponding two-way telescopic slide rod groups are synchronously telescoped in opposite directions to further synchronously adjust the telescopic lengths of the corresponding telescopic rods to complete the adjustment of the positions of the suction cups in the second adjustment axis, and the locking unit allows each telescopic rod to be in a retractable or locked state in a timely manner.

[0006] In addition, the adjustment driver is an electric motor that drives the pulley of the conveying belt assembly to rotate, or one of the pair of slides is used as the adjustment driver. The first to fourth locking drivers are pneumatic cylinders.

[0007] The beneficial effect of the present invention is that it separates the suction cup from the suction cup spacing adjustment driver, allowing only the suction cup to be transported together with the workpiece, which has the effect of reducing the load of the transport device; and has the effect of adjusting the two axial spacings of the suction cup with a single adjustment driver. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention will be further described below with reference to the accompanying drawings and examples.

[0009] Figure 1 It is a top view of the bidirectional telescopic slide rod assembly of the present invention (telescopic rods retracted state).

[0010] Figure 2 It is a right side view of the bidirectional telescopic slide rod assembly of the present invention.

[0011] Figure 3 It is a top view of the bidirectional telescopic slide rod assembly of the present invention (telescopic rods are extended).

[0012] Figure 4 This is a top view illustrating the locking unit of the present invention, in which a locking driver and two rows of locking holes are arranged on a plate.

[0013] Figure 5 It is a top view illustrating the bidirectional telescopic slide rod assembly of the present invention being combined with a locking unit.

[0014] Figure 6 It is a right side view of the bidirectional telescopic slide rod assembly of the present invention combined with the locking unit (locked state).

[0015] Figure 7 It is a right side view of the bidirectional telescopic slide rod assembly of the present invention combined with the locking unit (unlocked state).

[0016] Figure 8 1 is a top view of the adjustment unit of the present invention.

[0017] Figure 9 2 is a top view of the adjustment unit of the present invention.

[0018] Figure 10 It is a plan view illustrating the entire suction unit and locking unit of the present invention.

[0019] Figure 11 This is a top view illustrating the present invention in which the suction unit and the locking unit are integrally transported to the adjustment unit.

[0020] Figure 12 1 is a top view illustrating the present invention of adjusting the suction cup to a first axial position by adjusting the push plate.

[0021] Figure 13 FIG2 is a top view illustrating the present invention adjusting the suction cup to the first axial position by adjusting the push plate. ...

[0022] Figure 14 FIG3 is a top view illustrating the present invention adjusting the suction cup to the first axial position by adjusting the push plate.

[0023] Figure 15 FIG1 is a top view illustrating the present invention adjusting the suction cup to the second axial position by adjusting the push plate. ...

[0024] Figure 16 This is a top view illustrating the present invention of adjusting the suction cup to the second axial position by adjusting the push plate (2).

[0025] Figure 17 FIG3 is a top view illustrating the present invention adjusting the suction cup to the second axial position by adjusting the push plate. Description of the numbers in the figure: 10, 10a, 10b, 10c, 10d two-way telescopic slide rod set 11 base rods 12 linear guides 13 guide rail slide 14, 14a, 14b, 14c, 14d telescopic rods 15 Locking pin 16 suction cups 17, 17c, 17d adjust the push column 20 panels 20a connecting plate 20c first movable plate 20d second movable plate 21, 21a, 21b, 21c, 21d lock drive 22, 22a, 22b, 22c, 22d locking holes 30 adjustment units 31 conveyor belt set 311 belt 312 pulley 32 base frames 33 slide rails 34 slides 35 Adjust the push plate DETAILED DESCRIPTION

[0026] First, see Figures 1 to 3 As shown, the bidirectional telescopic slide rod assembly 10 of the present invention is provided with linear guide rails 12 on both sides of the base rod 11, each of the linear guide rails 12 has a guide rail slide 13, each of the guide rail slides 13 is combined with the tail end of the telescopic rod 14, and a locking pin 15 is provided on each of the telescopic rods 14; in addition, each of the telescopic rods 14 can be provided with a suction cup 16 and an adjustment push column 17, the suction cup 16 is provided at the head end of the telescopic rod 14, and the adjustment push column 17 can be provided at the head end or the tail end of the telescopic rod 14.

[0027] Next, see Figures 4 to 7 As shown, the bidirectional telescopic slide rod group 10 is installed under the plate 20, and a locking driver 21 and two rows of locking holes 22 are provided on the plate 20 relative to the bidirectional telescopic slide rod group 10. The locking driver 21 is connected to the base rod 11 of the bidirectional telescopic slide rod group 10, and drives the bidirectional telescopic slide rod group 10 to move closer to or away from the plate 20, so that each locking pin 15 of the bidirectional telescopic slide rod group 10 is inserted into the corresponding locking hole 22, and each telescopic rod 14 of the bidirectional telescopic slide rod group 10 can be locked, or each locking pin 15 of the bidirectional telescopic slide rod group 10 is disengaged from the corresponding locking hole 22, so that each telescopic rod 14 of the bidirectional telescopic slide rod group 10 can be retracted. The locking driver 21 can be a pneumatic cylinder.

[0028] Furthermore, see Figure 8 、 Figure 9 As shown, the present invention also includes an adjustment unit 30, which sets the conveying belt group 31 on a base frame 32. The base frame 32 is provided with a pair of slide rails 33, and the pair of slide rails 33 are provided with a pair of slides 34. Each of the pair of slides 34 is provided with an adjustment push plate 35, and the pair of slides 34 are respectively connected to the opposite sides of the belt 311 of the conveying belt group 31, and an adjustment driver (not shown) is used to drive the pair of slides 34 and the pair of adjustment push plates 35 to slide synchronously in the opposite directions; the adjustment driver can be an electric motor that drives the pulley 312 of the conveying belt group 31 to rotate, or one of the pair of slides 34 can use a powered slide as the adjustment driver.

[0029] So, see Figure 10As shown, the present invention can arrange the first and second bidirectional telescopic slide bar groups 10a and 10b in parallel on the connecting plate 20a, and the head ends of the telescopic rods 14a that telescope in the same direction (left side of the drawing) of the first and second bidirectional telescopic slide bar groups 10a and 10b are jointly connected to the first movable plate 20c, and the head ends of the telescopic rods 14b that telescope in the same direction (right side of the drawing) of the first and second bidirectional telescopic slide bar groups 10a and 10b are jointly connected to the second movable plate 20d, and the third bidirectional telescopic slide bar group 10c is arranged on the first movable plate 20c, and the fourth bidirectional telescopic slide bar group 10d is arranged on the second movable plate 20d, and the third and fourth bidirectional telescopic slide bar groups 10c and 10d are ... The two-way telescopic slide rod groups 10c and 10d are arranged in parallel, and the first / second two-way telescopic slide rod groups 10a and 10b and the third / fourth two-way telescopic slide rod groups 10c and 10d are arranged vertically. In addition, a suction cup 16 is provided at the head end of each of the telescopic rods 14c and 14d of the third and fourth two-way telescopic slide rod groups 10c and 10d (the telescopic rod 14c telescopes upward in the figure, and the telescopic rod 14d telescopes downward in the figure), and an adjustment push column 17c and 17d are provided on each of the telescopic rods 14c and 14d of the third and fourth two-way telescopic slide rod groups 10c and 10d, thereby forming the suction unit of the present invention.

[0030] However, please refer to Figure 10 As shown, the present invention can be provided with a first / second locking driver 21b and two rows of locking holes 22b on the connecting plate 20a relative to the first / second bidirectional telescopic slide rod group 10a, 10b (the first locking driver 21a and the corresponding two rows of locking holes 22a are shown in FIG. Figure 11 As shown), the first / second locking driver 21a, 21b is connected to the base rod of the first / second bidirectional telescopic slide bar group 10a, 10b, and the third / fourth locking driver 21c, 21d and two rows of locking holes 22c, 22d are provided on the first / second movable plate 20c, 20d relative to the third / fourth bidirectional telescopic slide bar group 10c, 10d. The third / fourth locking driver 21c, 21d is connected to the base rod of the third / fourth bidirectional telescopic slide bar group 10c, 10d, thereby constituting the locking unit of the present invention.

[0031] Thus, the connecting plate 20a can be connected to a conveying and rotating unit (not shown, which can be a multi-axis robot). Figure 11 As shown, Figure 10 The suction unit and the locking unit shown are transported to the adjustment unit 30; then Figure 12As shown, the pair of adjustment push plates 35 are positioned inside the adjustment push posts 17c, 17d. The pair of adjustment push plates 35 first slide outward to push the corresponding adjustment push posts 17c, 17d, causing the two telescopic rods 14c, 14d of the corresponding (the third / the fourth) bidirectional telescopic slide rod assemblies 10c, 10d to extend in opposite directions to the outer dead center simultaneously. Then, as shown in FIG. Figure 13 As shown, the suction unit and the locking unit are slightly withdrawn from the pair of adjustment push plates 35, so that the pair of adjustment push plates 35 can slide to the outside of the adjustment push posts 17c and 17d. The suction unit and the locking unit then move back to the pair of adjustment push plates 35, and the pair of adjustment push plates 35 can then slide inward to push the corresponding adjustment push posts 17c and 17d, synchronously and reversely adjusting the telescopic lengths of the corresponding (the third / the fourth) telescopic rods 14c and 14d. Figure 14 As shown, the positions of the suction cups 16 are adjusted in the first adjustment axis, and the locking unit allows each of the telescopic rods 14c and 14d to be in a correspondingly retractable or locked state at a timely manner. After the position adjustment of the suction cups 16 is completed, each of the telescopic rods 14c and 14d is locked.

[0032] Thereafter, the connecting plate 20a is rotated 90 degrees to Figure 15 As shown, the pair of adjustment push plates 35 slide outward to push the corresponding adjustment push pins 17c, 17d, so that the two telescopic rods 14a, 14b of the corresponding (the first / the second) bidirectional telescopic slide rod assemblies 10a, 10b are synchronously extended in opposite directions to the outer dead point; then Figure 16 As shown, the suction unit and the locking unit are slightly withdrawn from the pair of adjustment push plates 35, so that the pair of adjustment push plates 35 can slide to the outside of the adjustment push posts 17c and 17d. The suction unit and the locking unit then move back to the pair of adjustment push plates 35, and the pair of adjustment push plates 35 can then slide inward and push the corresponding adjustment push posts 17c and 17d, synchronously and reversely adjusting the telescopic lengths of the corresponding (the first / the second) telescopic rods 14a and 14b. Figure 17 As shown, the positions of the suction cups 16 are adjusted in the second adjustment axis, and the locking unit allows each of the telescopic rods 14a, 14b to be in a correspondingly retractable or locked state at a timely manner. After the position adjustment of the suction cups 16 is completed, each of the telescopic rods 14a, 14b is locked.

[0033] It should be further explained that the aforementioned adjustment steps are that the adjustment push pins 17c, 17d are provided at the head ends of the two telescopic rods 14c, 14d, and the pair of adjustment push plates 35 first push the two telescopic rods 14c, 14d of the third / fourth bidirectional telescopic slide rod set 10c, 10d outwardly to synchronously extend in the opposite direction to the outer dead point (as the reference position), and then the pair of adjustment push plates 35 push the third / fourth telescopic rod 14c, 14d inwardly to adjust the extension length of the suction cup 16. In the case of position adjustment along a single adjustment axis, the pair of adjustment push plates 35 first push the suction cups 16 outward to the outer dead center, and then push the suction cups 16 inward to the default position. Conversely, if the adjustment push posts 17 c and 17 d are disposed at the tail ends of the two telescopic rods 14 c and 14 d, the adjustment process can also be performed by first pushing the suction cups 16 inward to the inner dead center, and then pushing the suction cups 16 outward to the default position.

[0034] Based on the above structure, the present invention separates the adjustment unit 30 from the suction unit, and the adjustment driver of the adjustment unit 30 can be separated from the suction cup 16 of the suction unit. The adjustment unit 30 is fixed, and only the suction cup 16 is transported together with the workpiece. The workpiece transporting device does not have to bear the burden of the adjustment driver for the suction cup spacing, and has the effect of reducing the load of the transporting device; furthermore, the adjustment unit 30 can complete the adjustment of the suction cup spacing in two axial directions by only a single adjustment driver, and has the effect of adjusting the two axial spacing of the suction cup by a single adjustment driver.

[0035] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A suction device with adjustable suction size, characterized in that: include: First to fourth bidirectional telescopic slide rod assemblies, each bidirectional telescopic slide rod assembly is provided with a linear guide rail on both sides of the base rod, each linear guide rail has a guide rail slide, each guide rail slide is coupled to the tail end of the telescopic rod, and each telescopic rod is provided with a locking pin; The suction unit is configured to dispose the first and second bidirectional telescopic slide rod groups in parallel on the connecting plate, and to connect the first movable plate and the second movable plate at the head ends of the telescopic rods that are telescopically telescopic in the same direction of the first and second bidirectional telescopic slide rod groups. The third bidirectional telescopic slide rod group is disposed on the first movable plate, and the fourth bidirectional telescopic slide rod group is disposed on the second movable plate, so that the third and fourth bidirectional telescopic slide rod groups are disposed in parallel, and the first / second bidirectional telescopic slide rod group and the third / fourth bidirectional telescopic slide rod group are disposed perpendicularly. A suction cup is disposed at the head end of each telescopic rod of the third and fourth bidirectional telescopic slide rod groups, and an adjustment push column is disposed on each telescopic rod of the third and fourth bidirectional telescopic slide rod groups. A locking unit is provided with a first / second locking driver and two rows of locking holes on the connecting plate relative to the first / second bidirectional telescopic slide bar group, the first / second locking driver being connected to the base rod of the first / second bidirectional telescopic slide bar group to drive the first / second bidirectional telescopic slide bar group closer to or farther away from the connecting plate; a third / fourth locking driver and two rows of locking holes are provided on the first / second movable plate relative to the third / fourth bidirectional telescopic slide bar group, the third / fourth locking driver being connected to the base rod of the third / fourth bidirectional telescopic slide bar group to drive the third / fourth bidirectional telescopic slide bar group closer to or farther away from the first / second movable plate; An adjustment unit, wherein the conveyor belt assembly is mounted on a base frame, the base frame being provided with a pair of slide rails, the pair of slide rails being provided with a pair of slides, each of the slides being provided with an adjustment push plate, and the slides being connected to opposite sides of the conveyor belt assembly. An adjustment driver is used to drive the slides and the pair of adjustment push plates to slide synchronously in opposite directions. The synchronous opposite sliding of the pair of adjustment push plates then pushes the adjustment push pins, thereby adjusting the position of each suction cup; and The conveying and rotating unit is connected to the connecting plate, and the suction unit and the locking unit are conveyed to the adjustment unit. First, the corresponding adjustment push columns are pushed through the sliding of the pair of adjustment push plates, so that the two telescopic rods of the corresponding two-way telescopic slide rod groups are synchronously telescoped in opposite directions, and then the telescopic lengths of the corresponding telescopic rods are synchronously adjusted in opposite directions to complete the adjustment of the positions of the suction cups in the first adjustment axis; then the connecting plate is rotated 90 degrees, and the corresponding adjustment push columns are pushed through the sliding of the pair of adjustment push plates, so that the two telescopic rods of the corresponding two-way telescopic slide rod groups are synchronously telescoped in opposite directions, and then the telescopic lengths of the corresponding telescopic rods are synchronously adjusted to complete the adjustment of the positions of the suction cups in the second adjustment axis, and the locking unit allows each telescopic rod to be in a retractable or locked state in a timely manner.

2. The suction device with adjustable suction size according to claim 1, characterized in that: The adjustment driver is a motor that drives the pulley of the conveying belt set to rotate, or one of the pair of slides is selected to use a power slide as the adjustment driver.

3. The suction device with adjustable suction size according to claim 1 or 2, characterized in that: The first to fourth locking drivers are pneumatic cylinders.

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