CN216128978U

CN216128978U - Spiral servo pitch changing device

Info

Publication number: CN216128978U
Application number: CN202122568171.2U
Authority: CN
Inventors: 邓旭辉
Original assignee: Suzhou Weixincheng Technology Co ltd
Current assignee: Suzhou Weixincheng Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-25
Anticipated expiration: 2031-10-25

Abstract

The application provides a spiral servo displacement device, its characterized in that includes: drive division, the base, dispose the pivot in the base, the one end of pivot is connected from the drive division, connect the drive division from the drive division, the other end swivelling joint of pivot is to the end plate, the pivot dispose on the surface have a plural number spout, dispose plural letter sorting head on the base, letter sorting head disposes bulb plunger respectively, bulb and the spout one-to-one matching of bulb plunger correspond, drive based on the drive division the pivot is rotatory, and then makes bulb plunger's bulb slides in the spout, and the first removal of letter sorting that the drive matches the correspondence. The equidistant variable distance among the plurality of sorting heads can be realized by optimizing the path of the sliding groove. The variable pitch device is low in cost, simple in structure and good in repeatability, and can realize large-batch production.

Description

Spiral servo pitch changing device

Technical Field

The application relates to automation equipment, in particular to a spiral servo pitch-changing device.

Background

The robot is widely applied to a production line, and a typical application of the robot is to arrange a plurality of suction nozzles on the robot, wherein the suction nozzles are used for taking parts, and the parts are usually placed on a preset jig when the parts are taken at a time. When different types of parts are taken, the jigs are different, so that the intervals of the parts placed on the jigs are different, and therefore, the intervals among the suction nozzles need to be adjusted when the parts are taken. At present, aiming at the application occasion, an adjusting mechanism is mostly configured for each suction nozzle, so that the control complexity of the manipulator is increased, meanwhile, the cost of the manipulator is high, and the maintenance cost for maintaining the taking reliability is high.

Therefore, there is a need to improve the existing adjustment mechanisms for multiple suction nozzles.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the application provides a spiral servo pitch-changing device which is low in cost, simple in structure and reliable in pitch changing.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a spiral servo pitch device, comprising:

a driving part for driving the motor to rotate,

a base, a rotating shaft is arranged in the base,

one end of the rotating shaft is connected with the driven part, the driven part is connected with the driving part, the other end of the rotating shaft is rotatably connected with the end plate,

the surface of the rotating shaft is provided with a plurality of sliding grooves,

a plurality of sorting heads are arranged on the base, the sorting heads are respectively provided with ball head plungers, the ball heads of the ball head plungers are matched and corresponding to the sliding grooves one by one,

the driving based on the driving part drives the rotating shaft to rotate, so that the ball head of the ball head plunger slides in the sliding groove, and the sorting head corresponding to the matching is driven to move.

Preferably, the spiral servo pitch changing device comprises:

the transmission part is arranged on one side of the base, a main driving part is arranged in the transmission part, and the main driving part is connected with the auxiliary driving part.

Preferably, the number of the sorting heads is between 5 and 20.

Preferably, the driving part is a servo motor.

Preferably, the other end of the rotating shaft is connected with and protrudes out of the end plate, a cap is mounted on the protruding part, and a protrusion is arranged on the cap.

Preferably, a sensor is mounted on the end plate, and the sensor is used for detecting whether the protrusion reaches a preset limit position.

Preferably, the base is provided with a pair of first guide rails arranged in parallel and a pair of second guide rails arranged in parallel, and the rotating shaft is located between the two first guide rails or the two second guide rails.

Preferably, the spiral servo pitch-changing device is characterized in that the two first guide rails or the two second guide rails are symmetrically arranged along the rotating shaft.

Preferably, the first guide rail is provided with a first slide block, the second guide rail is provided with a second slide block, and the first slide block and the second slide block are respectively and alternately connected with the sorting head.

Preferably, the sorting head is provided with a base, the side of the base facing the rotating shaft is provided with a concave part, a through hole penetrates through the concave part, and the through hole is used for installing the ball plunger.

Advantageous effects

The utility model provides a spiral servo displacement device is configured with a plurality of sorting heads on it, but the sorting head equidistance changes, and this displacement device, its is with low costs, simple structure. In a specific implementation mode, the control precision of two adjacent sorting heads is high within the range of 3-24 mm, the repeatability is good, and the mass production can be realized.

Drawings

Fig. 1 is a schematic perspective view of a spiral servo pitch changing device according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a spiral servo pitch changing apparatus under a view angle according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a transmission housing of the spiral servo pitch changing device according to the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a spiral servo pitch changing apparatus under a view angle according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a hidden base of the spiral servo pitch changing apparatus according to an embodiment of the present application;

fig. 6 and 7 are schematic structural diagrams illustrating the matching of the rotating shaft of the spiral servo pitch changing device and the sorting head according to the embodiment of the application;

fig. 8 is a schematic structural diagram of a decollation sorting head of the spiral servo pitch changing device according to the embodiment of the application.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions employed in the examples may be further adjusted as determined by the particular manufacturer, and the conditions not specified are typically those used in routine experimentation.

The embodiment of this application proposes a spiral servo displacement device, this spiral servo displacement device includes:

the base, dispose the pivot in this base, the pivot dispose the spout that has certain radian on the surface, dispose plural (a plurality of) slidable letter sorting head on this base, this letter sorting head disposes the bulb plunger, the bulb of this bulb plunger matches with the spout on the pivot surface, and it is rotatory to drive the pivot based on the drive of drive division, and then makes the bulb slide in the spout and realize adjacent two letter sorting inter-head displacement. The number of the sorting heads is 5-20. Furthermore, the equidistant variable distance among the plurality of sorting heads can be realized by optimizing the path of the sliding groove. The variable pitch device is low in cost, simple in structure and good in repeatability, and can realize large-batch production. The spiral servo pitch-changing device is used for semiconductor grabbing equipment.

Next, the spiral servo pitch changing device according to the embodiment of the present application will be described in detail with reference to fig. 1 to 8.

Fig. 1 is a schematic perspective view of a spiral servo pitch changing device according to an embodiment of the present application,

the spiral servo pitch changing device 100 includes:

a base 110, a transmission part 130 is arranged at one side end part of the base 110,

a driving part 140 is installed on the transmission part 130,

at least one picking head 120 is disposed on the base 110, and the picking head 120 is used for picking/taking the parts. The number of sorting heads 120 is application dependent, and 8 sorting heads 120 are described below as examples, and in other embodiments, the number of sorting heads 120 can be 5, 6, 7, 9, 10, or more. The driving part 140 may be a servo motor.

Next, referring to fig. 2 to 8, the internal structure of the spiral servo pitch changing device will be described.

The driving portion 140 is provided with a connector 141 for connecting a controller (not shown) and a power supply terminal,

the output end of the driving part 140 passes through the first mounting hole 134 of the transmission part 130 and is connected to the driving wheel 142 in the transmission part 130, the driving wheel 142 is connected to the driven wheel 131 through the transmission belt 132, the driven wheel 131 is connected to the rotating shaft 112, and one end of the rotating shaft 112 passes through the second mounting hole 133 of the transmission part 130. The rotating shaft 112 is disposed in the base 110, and a sliding groove 112a is formed on the surface thereof. The other end 112c of the rotation shaft 112 is connected to and protrudes from the end plate 113. A cap 152 is mounted on the other end 112c (i.e., the detection end 112c) of the rotation shaft 112, and a protrusion 152a is provided on the cap 152. The end plate 113 is provided with a sensor 151, the rotating shaft 112 drives the cap 152 to rotate and further drives the protrusion 152a to rotate when rotating, when the rotating shaft rotates to a preset limit position, the sensor 151 detects the rotation, the detection signal is fed back to the control part, and then the driving part 140 stops driving. The base 110 is configured with a pair of first guide rails 124 disposed in parallel and a pair of second guide rails 125 disposed in parallel, and the rotating shaft 112 is located between the two first guide rails 124 or the two second guide rails 125. In a preferred embodiment, the two first guide rails 124 or the two second guide rails 125 are symmetrically disposed along the rotation axis 112.

The first rail 124 is provided with a first slider 124 a. A second slider 125a is disposed on the second rail 125. The first slider 124a and the second slider 125a are respectively used for connecting the sorting head 120. Taking 8 sorting heads 120 as an example, referring to fig. 2, from the side of the transmission portion 130, the sorting head 12 is alternately connected to the first slider 124a and the second slider 125 a. Or the sorting head 120 alternately connects the second slider 125a and the first slider 124 a. The advantage of alternating the connections is to avoid interference between adjacent sorting heads 120 during pitch shifting.

The sorting heads 120 are provided with a base 126, the base 126 is provided with a through hole 126a, the through hole 126a is used for installing a ball plunger 127, the ball of the ball plunger 127 is matched with a chute 112 a/chute 112b on the surface of the rotating shaft 112, so that the driving wheel 142 is driven to rotate by the driving of the driving part 140, and further the driven wheel 131 is driven to rotate by the transmission belt 132, the driven wheel 131 rotates to drive the rotating shaft 112 connected with the driven wheel 131 to rotate, so that the ball plunger 127 moves in the chute 112a, and thus the distance change between two adjacent sorting heads 120 is realized. Equidistant movement between the plurality of sorting heads 120 is achieved by adjusting the distribution path of the chute 112a over the surface of the shaft. An air cylinder 123 is disposed on the base 126, the air cylinder 123 connects the air pipe 122 and the suction nozzle 121, and the suction nozzle 121 picks up the component based on the operation of the air cylinder 123. A recess 126b is disposed on the side of the base 126 facing the rotation shaft, and the recess 126b has an arc shape matching the rotation shaft. The through hole 126a passes through the recess 126 b. Preferably, the through hole 126a passes through the highest portion of the recess 126b (i.e., the recess 126b is symmetrical about the centerline of the through hole 126 a). In this embodiment, 8 sorting heads 120 are used, which are arranged symmetrically along the center line a of the rotating shaft 112. That is, the surface of the rotating shaft 112 is provided with the sliding grooves 112 a/112 b, the sliding grooves 112a and the sliding grooves 112b are matched and symmetrical one by one along the center line a of the rotating shaft 112, so that the equal-distance variable movement of the sorting heads (for example, the movement from the center line a side to the side far from the center line a) is realized during the rotation of the rotating shaft 112 during the variable distance, and thus, an adjusting mechanism is not required to be independently arranged for each sorting head, the structure is simplified, and the reliability is good. In the present embodiment, the sliding groove on the surface of the rotating shaft 112 and the axis of the rotating shaft 112 gradually decrease (in the direction away from the centerline a). In this embodiment, the driving wheel is adopted to drive the driven wheel to drive the rotating shaft to rotate through the transmission belt. In other embodiments, the drive gear may engage the driven gear to rotate the shaft, and the transmission belt may be omitted.

The above embodiments are merely illustrative of the technical concepts and features of the present application, and the purpose of the embodiments is to enable those skilled in the art to understand the content of the present application and implement the present application, and not to limit the protection scope of the present application. All equivalent changes and modifications made according to the spirit of the present application are intended to be covered by the scope of the present application.

Claims

1. A spiral servo pitch device, comprising:

a driving part for driving the motor to rotate,

a base, a rotating shaft is arranged in the base,

2. A spiral servo pitch device according to claim 1, comprising:

3. Spiral servo pitch device according to claim 1,

the number of the sorting heads is 5-20.

4. Spiral servo pitch device according to claim 1,

the driving part is a servo motor.

5. Spiral servo pitch device according to claim 1,

the other end of the rotating shaft is connected with and protrudes out of the end plate, a cover cap is arranged on the protruding part, and a bulge is arranged on the cover cap.

6. Spiral servo pitch device according to claim 5,

the end plate is provided with a sensor, and the sensor is used for detecting whether the protrusion reaches a preset limit position.

7. Spiral servo pitch device according to claim 1,

the base is provided with a pair of first guide rails arranged in parallel and a pair of second guide rails arranged in parallel, and the rotating shaft is positioned between the two first guide rails or the two second guide rails.

8. Spiral servo pitch device according to claim 7,

the two first guide rails or the two second guide rails are symmetrically arranged along the rotating shaft.

9. Spiral servo pitch device according to claim 7 or 8,

the first guide rail is provided with a first sliding block, the second guide rail is provided with a second sliding block, and the first sliding block and the second sliding block are respectively and alternately connected with the sorting head.

10. Spiral servo pitch device according to claim 1,

the sorting head is provided with a base, a concave part is arranged on the side, facing the rotating shaft, of the base, a through hole penetrates through the concave part, and the through hole is used for installing the ball head plunger.