TWI758922B - Particle-stirring device of automatic passivation machine - Google Patents

Abstract

The particle-stirring device of automatic passivation machine of the present invention includes a rotatable barrel, a rotatable holder, a support mechanism, and a stirring member. The holder is pivotable around a first pivot axle and is vertically movable. The support mechanism is pivotable around a second pivot axle and is adapted for receiving the stirring member. The holder is pivotable to selectively grab a workpiece or the stirring member and further pivots and moves downward into the barrel for abrading the workpiece or stirring the particles in the barrel. Thus, the particles are prevented from agglomerate.

Description

Sand turning device of automatic workpiece passivation machine

The invention provides a passivation machine, in particular a sand turning device for an automatic workpiece passivation machine.

Press, all kinds of tools and workpieces used in the processing industry often need to pass the passivation process to make the edges not too sharp and sharp. For example, the workpiece is usually inserted into a grinding barrel containing abrasive particles, and the rotation of the workpiece and The rotation of the grinding barrel causes the surface of the workpiece to be ground and passivated by the relatively moving abrasive particles.

However, in general, if the workpiece is clamped by a robotic arm and then inserted into the grinding barrel, only the abrasive particles in a fixed position will be pushed and moved by the workpiece, especially the abrasive particles in the lower layer, in the absence of vertical external force. , almost will not move, which also causes the abrasive particles in some positions to be easy to agglomerate and compact, while the abrasive particles in some positions are quickly worn out, making the passivation effect of the passivation product difficult to be consistent and stable, and there is room for improvement.

One of the objectives of the present invention is to provide a sand turning device of an automatic workpiece passivation machine, which can achieve the purpose of turning the abrasive particles through automatic operation and the original structure, and avoid the agglomeration of the abrasive particles.

In order to achieve the above object, the present invention provides a sand turning device of an automatic workpiece passivation machine, which includes a grinding barrel group, a fetching group, a sand turning piece carrying mechanism and at least one sand turning piece.

The grinding barrel set includes at least one grinding barrel and at least one rotating mechanism, the at least one grinding barrel is used for accommodating a plurality of grinding particles, and the at least one rotating mechanism is connected with the at least one grinding barrel to make the at least one grinding barrel rotate.

The picking group includes a first pivot, at least one picking piece, at least one rotation mechanism and a lifting mechanism, the at least one picking piece is connected to the first pivot and can take the first pivot as an axis to a first Pivoting between a pick-up position, a second pick-up position and a grinding preparation position, the at least one rotation mechanism is connected to the at least one pick-up piece to drive the at least one pick-up piece to rotate, when the at least one pick-up piece is in the grinding position When in position, the lifting mechanism can drive the at least one picking object to descend to a grinding working position to be located in the at least one grinding barrel.

The sand turning element carrying mechanism includes a second pivot shaft and at least one carrying mechanism. The at least one carrying mechanism is connected to the second pivot shaft and can use the second pivot shaft as an axis between a storage position and a sand turning position. Swing between.

The at least one sand turning piece is carried by the at least one bearing mechanism, and the sand turning piece includes a helical knife portion, and the helical knife portion spirally extends around a vertical direction.

When the at least one picking object is located at the first picking position, the at least one picking object is used to grab at least one workpiece to be passivated; on the other hand, when the at least one picking object is located at the second picking position and the at least one picking object is When the carrying mechanism is located at the sand turning position, the at least one picking piece can grab the at least one sand turning piece from the at least one carrying mechanism.

Thereby, the sand turning device of the automatic workpiece passivation machine provided by the present invention can effectively utilize the pick-up mechanism of the passivation machine to selectively grab the sand turning piece, so as to turn and stir the abrasive particles in the grinding barrel, so that the abrasive particles are not easy to be Agglomeration, maintain good grinding performance.

Referring to FIGS. 1 to 3 , the present invention provides a sand turning device for an automatic workpiece passivation machine, including a grinding barrel set 10 , a pick-up set 20 , a sand turning member carrying mechanism 30 and at least one sand turning member 40 .

The grinding barrel set 10 includes at least one grinding barrel 11 and at least one rotating mechanism 12, the at least one grinding barrel 11 is used for accommodating a plurality of grinding particles, and the at least one rotating mechanism 20 is connected with the at least one grinding barrel 11 so that the at least one grinding barrel 11 is connected to the at least one grinding barrel 11. The grinding barrel 11 rotates. In this embodiment, the center of the at least one grinding barrel 11 protrudes upward to form a protruding portion 111 , so that the at least one grinding barrel 11 encloses an annular accommodating space 112 for accommodating the grinding particles.

The picking group 20 includes a first pivot 21 , at least one picking piece 22 , at least one rotation mechanism 23 and a lifting mechanism 24 , the at least one picking piece 22 is connected to the first pivot 21 to be able to use the first pivot 21 . The pivot shaft 21 pivots between a first picking position, a second picking position and a grinding preparation position. Preferably, the second picking position is located at the first picking position and the grinding preparation. Between the positions, the at least one rotation mechanism 23 connects the at least one object 22 and drives the at least one object 22 to rotate. When the at least one object 22 is located at the grinding position, the lifting mechanism 24 can drive the at least one object 22 to rotate. The object 22 descends to a grinding working position and is located in the at least one grinding barrel 11 . Specifically, the lifting mechanism 24 of the picking group 20 may include a lifting rail 241 and a lifting platform 242 , the lifting rail 241 is pivoted on the first pivot shaft 21 and controlled by the first pivot shaft 21 to pivot, The lift platform 242 is vertically movable on the lift rail 241 , the at least one autorotation mechanism 23 and the at least one pick-up object 22 are provided on the lift platform 242 , and the at least one pick-up object 22 is provided below the at least one autorotation mechanism 23 In this embodiment, the at least one object 22 includes a plurality of objects 22, the objects 22 are distributed and rotatably provided on the lifting platform 242, and the at least one rotation mechanism 23 includes a drive belt 231 and a driving source 232, the driving belt 231 is wound between the picking objects 22 and the driving source 232, and the driving source 232 can be a motor, which drives the driving belt 231 to roll so that the picking objects 22 are moved together by the driving source 232. The driving belt 231 drives the respective rotations.

Preferably, the grinding barrel set 10 includes a plurality of grinding barrels 11 , a rotating mechanism 12 and a turntable 13 , a plurality of perforations are formed on the turntable 13 , and the grinding barrels 11 are distributed on the turntable 13 and are respectively located on the turntable 13 . Above the through holes, the rotating mechanism 12 is disposed below the turntable 13 and can move vertically upward through one of the through holes to support the grinding barrel 11 and drive the grinding barrel 11 to rotate. When the at least one object 22 is located in the In the preparation position for grinding, the position of the object 22 corresponds to the rotating mechanism, whereby the grinding barrels 11 can respectively hold grinding particles of different specifications, such as those with different particle sizes or different hardnesses. The requirement of the workpiece to be passivated is to selectively move one of the grinding barrels 11 to the top of the rotating mechanism 12 to be driven and rotated by it, so as to carry out the passivation operation

Specifically, in this embodiment, the at least one object 22 may include at least two openable and closeable clamping jaws 221 for clamping the at least one workpiece to be passivated 50 or the at least one sand turning However, the at least one pick-up piece 22 is not limited to the form of a gripper, and can also be other mechanisms that can selectively pick up and release, such as an electromagnet and the like.

The sand turning element carrying mechanism 30 includes a second pivot shaft 31 and at least one carrying mechanism 32 , and the at least one carrying mechanism 32 is connected to the second pivot shaft 31 to be able to use the second pivot shaft 31 as an axis in a storage position Pivot between a sand-turning position. The at least one sand turning member 40 is carried by the at least one bearing mechanism 32 , and the sand turning member includes a helical knife portion 41 , and the helical knife portion 41 spirally extends around a vertical direction.

Specifically, the at least one bearing mechanism 32 is a swing arm, and an end of the swing arm away from the second pivot shaft 31 is used to carry the at least one sand turning piece 40 , and the at least one sand turning piece 40 is further included from the screw cutter A handle portion 42 extending vertically upward from the portion 41 is used for the at least two clamping jaws 221 to be clamped. The at least one carrying mechanism 32, however, is not limited thereto, and the at least one sand turning element 40 can be temporarily supported on the at least one carrying mechanism 32 by other conventional means.

With the above structure, when the at least one picking piece 22 is located at the first picking position, the at least one picking piece 22 is used to grab at least one workpiece 50 to be passivated; on the contrary, when the at least one picking piece 22 is located at the first picking position When there are two picking positions and the at least one carrying mechanism 32 is located at the sand turning position, the at least one picking piece 22 can grab the at least one sand turning piece 40 from the at least one carrying mechanism 32 .

In a general passivation operation, the pick-up member 22 can reciprocately move between the first pick-up position and the grinding preparation position to pick up the workpiece 50 to be passivated into the grinding barrel 11 for grinding with abrasive particles. , the carrying mechanism 32 can be located in the storage position without hindering the movement of the object 22; when the turning operation of the abrasive particles is required, the carrying mechanism 32 is pivoted to the sand turning position, and the object 22 is pivoted Swing to the second pick-up position, the pick-up piece 22 can grab the sand turning piece 40 and pivot to the grinding preparation position together, and then further descend to the grinding working position, the sand turning piece 231 can be used to make the sand turning piece Rotate to flip and stir the abrasive particles in the grinding barrel 11, and because the sand turning element 40 is in the shape of a spiral sheet, it can effectively carry the abrasive particles in the lower layer upward, so as to achieve a good turning effect and avoid the formation of abrasive particles. yuan.

The above sand turning operation can be directly combined with the passivation operation by automatic programming. For example, a sand turning operation is performed after a certain number of passivation operations, or the agglomeration of abrasive particles or the passivation of the passivation product are detected. When the effect is not good, an additional sand turning operation is performed, and the length and depth of sand turning can also be set as required.

Thereby, the sand turning device of the automatic workpiece passivation machine of the present invention can effectively utilize the original structure of the passivation machine to carry out the turning and stirring of abrasive particles, so as to avoid agglomeration and affect the passivation effect, and can be set by an automatic program, which is beneficial to The fully automatic operation of the passivation machine is continuously carried out, which is what the processing industry and the processing machine equipment production related industry expect. However, the above embodiment is only to illustrate and illustrate the technical content of the present invention. The scope of the patent should be described later. prevail.

10: Grinding barrel set 11: Grinding barrel 111: Projection 112: accommodating space 12: Turning mechanism 13: Turntable 20: Extraction group 21: First Pivot 22: Take Objects 221: Gripper 23: Rotation mechanism 231: Drive Belt 232: drive source 24: Lifting mechanism 241: Lifting track 242: Lifting Platform 30: Carrying mechanism for sand turning 31: Second pivot 32: Bearing mechanism 40: Sand Turning Pieces 41: Spiral knife 42: Handle 43: Magnetic part 50: workpiece to be passivated

FIG. 1 is a perspective view of the present invention. FIG. 2 is a cross-sectional view of the present invention. FIG. 3 is a schematic diagram of the operation of the present invention.

10: Grinding barrel set

11: Grinding barrel

111: Projection

112: accommodating space

12: Turning mechanism

13: Turntable

20: Extraction group

21: First Pivot

22: Take Objects

23: Rotation mechanism

24: Lifting mechanism

30: Carrying mechanism for sand turning

31: Second pivot

32: Bearing mechanism

40: Sand Turning Pieces

50: workpiece to be passivated

Claims (9)

A sand turning device for an automatic workpiece passivation machine, comprising: a grinding barrel set, comprising at least one grinding barrel and at least one rotating mechanism, the at least one grinding barrel is used for accommodating a plurality of grinding particles, and the at least one rotating mechanism is connected with the at least one grinding barrel to make the at least one grinding barrel rotate; A pick-up set includes a first pivot, at least one pick-up piece, at least one rotation mechanism and a lift mechanism, the at least one pick-up piece is connected to the first pivot shaft and can take the first pivot as an axis to a Pivoting between the first picking position, a second picking position and a grinding preparation position, this at least one rotation mechanism connects this at least one picking piece and drives this at least one picking piece to rotate, when this at least one picking piece is located in the When in the grinding position, the lifting mechanism can drive the at least one pick-up object to descend to a grinding working position to be located in the at least one grinding barrel; A sand turning element carrying mechanism includes a second pivot shaft and at least one carrying mechanism, the at least one carrying mechanism is connected to the second pivot shaft and can use the second pivot shaft as an axis in a storage position and a sand turning position pivot between; at least one sand turning piece, the at least one sand turning piece is carried by the at least one bearing mechanism, the sand turning piece comprises a helical knife portion, and the helical knife portion spirally extends around a vertical direction; Wherein, when the at least one picking piece is located at the first picking position, the at least one picking piece is used to grab at least one workpiece to be passivated; when the at least one picking piece is located at the second picking position and the at least one carrying mechanism When located at the sand turning position, the at least one picking piece can grab the at least one sand turning piece from the at least one carrying mechanism. The sand turning device of an automatic workpiece passivation machine according to claim 1, wherein the at least one pick-up object comprises at least two gripping jaws that can be opened and closed, and the at least two gripping jaws are used to clamp the at least one workpiece to be passivated or the at least one Turn over the sand. The sand turning device for an automated workpiece passivation machine as claimed in claim 1, wherein the lifting mechanism of the pick-up group comprises a lifting rail and a lifting platform, the lifting rail is pivoted on the first pivot shaft and is supported by the first The pivot shaft controls the pivoting, the lifting platform is vertically movable on the lifting track, the at least one autorotation mechanism and the at least one pick-up piece are arranged on the lift platform, and the at least one pick-up piece is arranged below the at least one self-rotation mechanism. The sand turning device of an automatic workpiece passivation machine as claimed in claim 3, wherein the at least one picking object comprises a plurality of the picking objects, the picking objects are distributed and rotatably arranged on the lifting platform, the at least one self-rotating The mechanism includes a driving belt and a driving source, the driving belt is wound between the picking objects and the driving source, and the driving source drives the driving belt to roll so that the picking objects are driven to rotate by the driving belt. The sand turning device for an automated workpiece passivation machine as claimed in claim 2, wherein the at least one bearing mechanism is a swing arm, and an end of the swing arm away from the second pivot shaft is used to carry the at least one sand turning piece, and the at least one bearing mechanism is a swing arm. A sand turning piece further includes a handle portion extending vertically upward from the helical knife portion, and the handle portion is gripped by the at least two gripping claws. The sand turning device for an automatic workpiece passivation machine as claimed in claim 1, wherein the center of the at least one grinding barrel is raised upward to form a protruding portion, so that the at least one grinding barrel surrounds an annular accommodating space for accommodating place the abrasive particles. The sand turning device of an automatic workpiece passivation machine as claimed in claim 6, wherein the grinding barrel set comprises a plurality of the grinding barrels, a rotating mechanism and a turntable, a plurality of perforations are formed on the turntable, and the grinding barrels are distributed in the The turntable is located above the through holes, respectively. The rotating mechanism is arranged below the turntable and can move vertically upward through one of the through holes to support the grinding barrel and drive the grinding barrel to rotate. When the at least one object is picked up When in the grinding preparation position, the object-taking position corresponds to the rotating mechanism. The sand turning device of an automated workpiece passivation machine according to any one of claims 1 to 7, wherein the second picking position is located between the first picking position and the grinding preparation position. The sand turning device of an automated workpiece passivation machine according to any one of claims 1 to 7, wherein the at least one sand turning member further comprises a magnetic attraction portion, and the magnetic attraction portion is magnetically attracted to the at least one bearing mechanism .

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