Mechanism capable of grasping various rolling elements

Abstract

The present invention discloses a mechanism capable of grasping various rolling bodies, comprising a connecting rod and a suction cup, wherein a flow slot is provided in the connecting rod, one end of the flow slot is connected to the suction cup, and an air extraction hole is provided on the connecting rod at the other end of the flow slot. In addition, an anti-sway mechanism and a buffer mechanism are also provided on the mechanism, and through the suction effect of the elastic suction cup of the present invention, it can adapt to the stable grasping of various types of rolling body workpieces, including but not limited to CRB (cylindrical roller), SRB (spherical roller), TRB (tapered roller), etc., and the finely processed roller workpiece will not be damaged during the grasping and carrying process.

Description

Technical Field

[0001] The invention relates to the field of electromechanical equipment, and in particular to a mechanism capable of grasping a variety of rolling bodies. Background Art

[0002] In the automated operation lines such as various roller production and testing, it is usually necessary to transport batches of various rollers. Since various rollers are precision parts and the workpiece surface is super-finished, the requirements for preventing secondary contamination during the transportation process are high to avoid damage to the workpiece surface.

[0003] The handling devices in the prior art generally use rigid clamps to clamp the finely machined roller workpieces. Such clamps can only clamp workpieces of a single shape. In addition, since the clamps are in direct contact with the finely machined workpiece surface, it is easy to damage the workpiece surface. There is even a clamping force generated when the clamps and workpieces are in contact, which can easily cause slight deformations of the precision workpiece. In addition, the existing handling devices may encounter control errors during the handling process. When the clamps continue to extend and touch the rollers and conveyor belts, they cannot provide buffering, which can easily damage the clamps, conveyor belts, and rollers. Therefore, it is necessary to improve the existing handling devices to avoid affecting the pass rate of finely machined roller products. Summary of the invention

[0004] In view of the above problems, the present invention provides a mechanism capable of grasping various rolling elements, which can not only avoid damage to the surface of the finished roller workpiece, but also adapt to the handling of various types of finished rollers and has wide applicability.

[0005] The mechanism capable of grasping various rolling bodies according to the present invention comprises a connecting rod and a suction cup, wherein a flow groove is arranged in the connecting rod, one end of the flow groove is connected to the suction cup, and an air extraction hole is arranged on the connecting rod at the other end of the flow groove.

[0006] With this structure, it can adapt to the grasping of various types of roller workpieces, including but not limited to CRB (cylindrical roller), SRB (spherical roller), TRB (tapered roller), etc., and the suction cup is used to suck up the finely processed roller workpiece without damaging the finely processed roller workpiece.

[0007] According to one aspect of an embodiment of the present invention, a connecting rod is vertically connected downwardly to a first square plate arranged laterally, the connecting rod is connected to the center position of the first square plate, and a pair of stoppers are symmetrically connected vertically downwardly on the left and right sides of the first square plate relative to the center position of the connecting rod.

[0008] According to one aspect of the embodiment of the present invention, a pair of blocking pieces are symmetrically and vertically connected downwardly on the front and rear sides of the first square plate relative to the central position of the connecting rod.

[0009] With this structure, a pair of blocks and a pair of baffles combine to create a limited space, thereby preventing the roller from being sucked up by the suction cup and shaking greatly due to inertia during the transportation process, thereby preventing the roller from falling off the suction cup due to shaking.

[0010] According to one aspect of the embodiment of the present invention, the left-right distance between the pair of stoppers and the central connection position of the connecting rod is adjustable.

[0011] According to one aspect of the embodiment of the present invention, the front-to-rear distance of the pair of blocking pieces relative to the central connection position of the connecting rod is adjustable.

[0012] With this structure, the size of the enclosed space can be freely adjusted to adapt to the change of suction and transportation of various roller workpieces, thereby improving applicability.

[0013] According to one aspect of an embodiment of the present invention, the first stopper in a pair of stops is connected by a first T-rod, the first T-rod passes through the first square plate and can slide up and down relative to the first square plate, and the first T-rod is located between the first square plate and the first stopper and is sleeved with a first spring.

[0014] With this structure, when an erroneous operation causes the stopper to continuously abut against the roller workpiece or the conveyor belt, the first spring can be compressed so that the stopper slides upward along with the first T-bar to avoid the hard abutment and avoid damage.

[0015] According to one aspect of the embodiment of the present invention, the connecting rod is vertically connected to a connecting plate arranged transversely, and the connecting rod and the connecting plate are clamped by a circular block sleeved outside the connecting rod and a changeable nut.

[0016] With this structure, when parts need to be replaced, the connecting rod and its parts can be replaced as a whole by directly loosening the change nut, thereby improving the convenience of operation.

[0017] According to one aspect of an embodiment of the present invention, a first guide rod and a second guide rod are symmetrically and vertically arranged at both ends of the connecting plate, the first guide rod and the second guide rod are inserted through a second square plate arranged parallel to the connecting plate, the first guide rod and the second guide rod can slide up and down relative to the second square plate, the first guide rod is located between the connecting plate and the second square plate and is sleeved with a third spring, and the second guide rod is located between the connecting plate and the second square plate and is sleeved with a fourth spring.

[0018] With this structure, the buffering effect can be further improved to avoid damage when the block continues to interfere due to misoperation. At the same time, the T-bar connecting the block to the whole mechanism does not need to be designed to be too long to avoid affecting the use effect.

[0019] According to one aspect of the embodiment of the present invention, a first fastening flange is provided on the first guide rod, and a second fastening flange is provided on the second guide rod.

[0020] With this structure, the guide rod can be prevented from sliding downward due to gravity through the fastening effect of the fastening flange and the guide rod.

[0021] According to one aspect of an embodiment of the present invention, the suction cup connection has a suction cup cover, and the suction cup cover is provided with a groove.

[0022] With this structure, when the elastic suction cup sucks up the rolling body due to suction, the elastic suction cup can be deformed to buffer in the groove of the suction cup cover, thereby avoiding damage caused by excessive squeezing.

[0023] The beneficial effects of the present invention are as follows: the present invention can adapt to the grasping of various roller workpieces such as CRB (cylindrical roller), SRB (spherical roller), TRB (tapered roller), etc., and adopts a suction cup to suck up the finely processed roller workpiece, thereby effectively avoiding damage to the finely processed roller workpiece during the suction and transportation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of an embodiment of a mechanism capable of grasping multiple rolling bodies of the present invention;

[0025] Figure 2 for Figure 1 A schematic diagram of the structure in the "A" direction;

[0026] Figure 3 for Figure 2 Structural diagram of the "BB" direction;

[0027] Figure 4 for Figure 1 Structural diagram of the "CC" direction;

[0028] Figure 5 for Figure 1 A schematic diagram of the structure in the "D" direction;

[0029] Figure 6 for Figure 1 Schematic diagram of the structure in the "EE" direction;

[0030] Figure 7 for Figure 1 An enlarged schematic diagram of "F";

[0031] Figure 8 for Figure 1 A schematic diagram of the structure in the "GG" direction;

[0032] Fig. 9 for Figure 4 A schematic diagram of the structure in the "HH" direction;

[0033] Fig.10 for Figure 1 Structural diagram of the "KK" direction;

[0034] Fig.11 for Figure 1 Structural diagram of the "MM" direction;

[0035] Fig.12 This is the state diagram of buffer protection during misoperation;

[0036] Fig.13 This is the state diagram when the suction cup does not adsorb the rolling body. DETAILED DESCRIPTION

[0037] The following will describe the specific implementation methods of the present invention with reference to the accompanying drawings. In this document, the same symbols are used for the same or equivalent parts in the various figures, and the repeated descriptions are appropriately simplified or omitted. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front, and back directions mentioned below are the same as Figure 1 The up-down, left-right, front-back directions of the projection relationship itself are consistent.

[0038] Figure 1 This is a schematic diagram of the structure of an embodiment of the mechanism of the present invention capable of grasping multiple rolling bodies. Figure 2-Figure 11 It is a cross-sectional view in each direction in the figure. According to one embodiment of the present invention, the mechanism capable of grasping various rolling bodies comprises a connecting rod 11 and an elastic suction cup 12 connected to one end of the connecting rod 11, a flow groove 13 is provided inside the connecting rod 11, the end of the flow groove 13 is connected to the elastic suction cup 12, and an air suction hole 14 is provided on the connecting rod 11 at the other end of the flow groove 13. Through the action of an external exhaust fan (not shown in the figure), the exhaust fan exhausts air through the air suction hole 14, thereby causing the elastic suction cup 12 connected to the air suction hole 14 through the flow groove 13 inside the connecting rod 11 to generate suction, so as to suck up various roller workpieces to be sucked and transported for transporting operations. In one implementation of an embodiment of the present invention, the connecting rod 11 is vertically connected downward to a horizontally arranged square plate 15, and the connecting rod 11 is connected to the center position of the square plate 15. A suction cup cover 16 is provided at the lower end of the square plate 15, and the lower end of the suction cup cover 16 is connected to the elastic suction cup 12. The flow groove 13 in the connecting rod 11 is connected to the internal perforation of the square plate 15 and the through groove in the suction cup cover 16, so that the exhaust hole 14 of the connecting rod 11 is connected to the elastic suction cup 12, so that when the exhaust fan is used to exhaust air at the exhaust hole 14, the elastic suction cup 12 can generate suction, so as to suck various roller workpiece objects for transportation.

[0039] According to an implementation of an embodiment of the present invention, referring to the attached Fig.13 , Fig.13This is a state diagram when the suction cup does not absorb the rolling body. As shown in the figure, the suction cup cover 16 is specifically a structure with a cylindrical upper end and an arc-shaped cover body at the lower end. The suction cup cover 16 is provided with crescent-shaped grooves on the left and right sides of the arc-shaped cover body. The suction cup cover 16 has a through groove inside. When the elastic suction cup 12 absorbs the rolling body, the elastic suction cup 12 will be deformed, causing the left and right sides of the elastic suction cup 12 to bulge upward. The crescent-shaped groove can prevent the left and right ends of the elastic suction cup 12 and the suction cup cover 16 from being squeezed when the elastic suction cup 12 absorbs the rolling body, thereby preventing the elastic suction cup 12 from being damaged.

[0040] According to one embodiment of the present invention, the suction mechanism is also provided with an anti-sway structure. Specifically, a pair of blocks are symmetrically connected vertically downwardly on the left and right sides of the square plate 15 relative to the connecting rod 11 connected to the center position, and the block 17 and the block 18 are combined into a limited space relative to the center position of the elastic suction cup 12. Through the setting of this structure, the roller workpiece can be prevented from shaking greatly to the left and right due to inertia during the suction and transportation process, and the roller workpiece can be effectively prevented from falling off the suction cup. Correspondingly, in another embodiment of the present invention, a pair of baffles are symmetrically connected vertically downwardly on the front and rear sides of the square plate 15 relative to the connecting rod 11 connected to the center position, and the baffle 19 and the baffle 20 are combined into a limited space relative to the center position of the elastic suction cup 12. Through the setting of this structure, the roller workpiece can be prevented from shaking greatly to the front and rear due to inertia during the suction and transportation process, and the roller workpiece can be effectively prevented from falling off the suction cup. Of course, the block and baffle structures can also be symmetrically set in the front and rear and left and right directions at the same time to improve the anti-sway effect.

[0041] See attached Figure 4 In one embodiment of the present invention, the stopper 17 and the stopper 18 are adjustable left and right relative to the center position of the square plate 15. The specific structure is that a pair of through adjustment slots 21 and adjustment slots 22 are symmetrically arranged on the left and right sides of the square plate 15 relative to the center position of the connecting rod 11. The adjustment slots 21 and adjustment slots 22 are rectangular along the left and right directions on the square plate 15. The adjustment slot 21 on the left opens to the left, and the adjustment slot 22 on the right opens to the right. A clamping block 23 is arranged in the adjustment slot 22, and a T-shaped rod 24 is arranged in the clamping block 23. The stopper 18 is fixedly connected to the lower end of the T-shaped rod 24. The left and right positions of the clamping block 16 on the adjustment slot 22 are adjusted by tightening the nut 25. Correspondingly, the adjustment slot 21 symmetrically arranged with the adjustment slot 22 has exactly the same mechanism setting, which will not be repeated here. According to the size of the roller workpiece to be sucked and transported, when the distance between the two blocks needs to be adjusted, the clamping block can be loosened by turning the tightening nuts on the two adjustment slots. After adjusting the left and right positions of the two clamping blocks, tighten the tightening nuts on the two adjustment slots again.

[0042] In one embodiment of the present invention, the blocking piece 19 and the blocking piece 20 are adjustable forward and backward relative to the center position of the square plate 12. The specific structure is that a pair of fixing plates 26 and fixing plates 27 are symmetrically fixedly connected to the square plate 15 on both sides of the front and rear sides relative to the center position of the connecting rod 11. A through slot 28 is provided on the fixing plate 26, and the through slot 28 is rectangular along the front and rear direction on the fixing plate 26. A screw 29 is provided in the through slot 28, and a fixing block 30 is provided at the lower end of the screw 29. The fixing block 30 is fixedly connected to the blocking piece 19 at the lower end. The screw 29 and the fixing block 30 are engaged by threads, and the front and rear position of the fixing block 30 on the through slot 28 is adjusted by tightening the screw 29. Correspondingly, the fixing plate 27 symmetrically arranged with the fixing plate 26 has exactly the same mechanism setting, which will not be repeated here. According to the size of the workpiece to be sucked and transported by the roller, when the distance between the two baffles needs to be adjusted, the fixing blocks can be loosened by turning the screws on the through-slots of the two fixing plates. After adjusting the front and rear positions of the two fixing blocks, tighten the screws on the two through-slots again.

[0043] According to another embodiment of the present invention, the suction mechanism is also provided with a primary buffer structure to prevent the suction mechanism from continuously contacting the roller workpiece or conveyor belt and causing damage when the handling device is miscontrolled and misoperated. Specifically, the anti-sway block 18 provided on the right side of the square plate 15 can provide buffering, and there is a small gap between the clamping block 23 and the T-bar 24 interspersed therein, so that the T-bar 24 can slide freely up and down relative to the clamping block 23, and a spring 31 is provided between the lower end surface of the clamping block 23 and the upper end surface of the block 18. Therefore, referring to FIG. Fig.12 , Fig.12 This is a state diagram of buffer protection during misoperation. As shown in the figure, when misoperation occurs and the block 18 continues to contact the roller workpiece or conveyor belt, due to the external force, the spring 31 can be compressed so that the block 18 slides up in the clamping block 23 along with the T-bar 24 to avoid hard contact and avoid damage. Correspondingly, according to another embodiment of the present invention, the left anti-sway block 18 symmetrically arranged with the right anti-sway block 18 of the square plate 15 can also be provided with the same mechanism, which will not be repeated here, so that the left anti-sway block can also be buffered to avoid damage. In one embodiment of the present invention, the T-bar 24 is provided with a square cross-section on the vertical arc surface, so that the T-bar 24 cannot rotate while sliding up and down relative to the clamping block 23, so as to avoid the angle of the block 18 from being offset. Correspondingly, the left T-bar symmetrically arranged with the T-bar 24 also has exactly the same mechanism setting, which will not be repeated here.

[0044] According to another embodiment of the present invention, the suction mechanism is also connected with a secondary buffer structure, which can further improve the buffering effect and avoid damage, and can also avoid the T-bar from being too long, and improve the convenience of component replacement. A connecting plate 36 is connected to the other end of the connecting rod 11 connected to the square plate 15. The connecting rod 11 passes through the center position of the connecting plate 36, and is clamped by a circular block 37 sleeved on the outside of the connecting rod 11 and a change nut 38. When the connecting rod 11 and the parts below it need to be replaced, the change nut 21 is screwed until the change nut 38 is separated from the connecting rod 11, and the connecting rod 11 and its connecting parts can be replaced. Guide rods 39 and guide rods 40 are symmetrically arranged vertically at both ends of the connecting plate 36, and a square plate 41 with openings and bearings symmetrically arranged at both ends is sleeved on the guide rods 39 and guide rods 40, so that the square plate 41 is arranged in parallel with the connecting plate 36, and the guide rod is inserted in the bearing and can slide up and down relative to the bearing. The lower end of the guide rod 40 is fixedly connected to the connecting plate 36 through a nut 42. The guide rod 40 is located between the connecting plate 36 and the right side bearing 43 of the square plate 41 and is sleeved with a spring 44. The other end of the guide rod 40 passes through the bearing 43 and is connected to the nut 45 through a thread. A washer 46 is sleeved at the threaded connection. The outer diameter of the washer 46 is larger than the inner diameter of the bearing 43. The upper end of the bearing 43 is provided with a fastening flange 47. After the fastening flange 47 is tightened with the guide rod 40, the lower surface of the fastening flange 47 contacts the upper surface of the bearing 43 to prevent the guide rod 40 from sliding downward due to gravity. The washer 46 prevents the guide rod 40 from sliding downward due to gravity when the fastening flange 47 is not tightened. Correspondingly, the guide rod 39 symmetrically arranged with the guide rod 40 has a completely identical mechanism setting, which will not be repeated here. When an erroneous operation occurs and the block continues to contact the roller workpiece or conveyor belt, due to the external force resistance, the spring on the guide rod can be compressed while compressing the spring on the T-bar connected to the block, so that the connecting rod 11 and its connecting parts can play a further buffering role as the guide rod slides upward relative to the bearing to avoid damage.

[0045] The above are preferred embodiments and drawings of the present invention. Only the preferred embodiments and drawings are illustrated. Any use of the same or equivalent technical means does not depart from the scope of the present invention.

Claims

1. A mechanism capable of grasping a variety of rolling elements, characterized in that: The mechanism capable of grabbing various rolling bodies comprises a connecting rod and a suction cup; wherein a flow groove is provided in the connecting rod, one end of the flow groove is connected to the suction cup, and an air extraction hole is provided on the connecting rod at the other end of the flow groove; The connecting rod is vertically connected downwardly to a first square plate arranged transversely, the connecting rod is connected to the center position of the first square plate, and a pair of stoppers are symmetrically connected vertically downwardly on the left and right sides of the first square plate relative to the center position of the connecting rod; The first stopper of the pair of stoppers is connected by a first T-shaped rod, the first T-shaped rod passes through the first square plate and can slide up and down relative to the first square plate, and the first T-shaped rod is located between the first square plate and the first stopper and is sleeved with a first spring; The connecting rod is vertically connected to a connecting plate arranged transversely, and a first guide rod and a second guide rod are symmetrically and vertically arranged at both ends of the connecting plate, the first guide rod and the second guide rod are inserted through a second square plate arranged parallel to the connecting plate, the first guide rod and the second guide rod can slide up and down relative to the second square plate, the first guide rod is located between the connecting plate and the second square plate and is sleeved with a second spring, and the second guide rod is located between the connecting plate and the second square plate and is sleeved with a third spring; The second stopper of the pair of stoppers is connected via a second T-shaped rod, the second T-shaped rod passes through the first square plate and can slide up and down relative to the first square plate, and the second T-shaped rod is located between the first square plate and the second stopper and is sleeved with a fourth spring; The suction cup is connected to a suction cup cover, and the suction cup cover is provided with a groove; the suction cup cover specifically has a cylindrical upper end and an arc-shaped cover body at the lower end, and the suction cup cover is provided with crescent-shaped grooves on the left and right sides of the arc-shaped cover body; the suction cup cover has a through groove inside, the lower end of the suction cup cover is connected to the suction cup, and the flow groove in the connecting rod is connected to the internal through hole of the first square plate and the through groove in the suction cup cover.

2. The mechanism capable of grasping multiple rolling elements as claimed in claim 1, characterized in that: A pair of blocking pieces are symmetrically and vertically connected downwardly on the first square plate at the front and rear sides relative to the central position of the connecting rod.

3. The mechanism capable of grasping multiple rolling elements as claimed in claim 2, characterized in that: The left and right distances of the pair of stoppers relative to the connecting rod connection center position are adjustable.

4. The mechanism capable of grasping multiple rolling elements as claimed in claim 3, characterized in that: The front-to-rear distance of the pair of blocking pieces relative to the connecting rod connection center position is adjustable.

5. The mechanism capable of grasping multiple rolling elements as claimed in claim 4, characterized in that: The connecting rod and the connecting plate are clamped by a circular block sleeved outside the connecting rod and a changeable nut.

6. The mechanism capable of grasping multiple rolling elements as claimed in claim 5, characterized in that: The first guide rod is provided with a first fastening flange, and the second guide rod is provided with a second fastening flange.

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