CN110702054B - Sphericity detector for plastic ball - Google Patents
Sphericity detector for plastic ball Download PDFInfo
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- CN110702054B CN110702054B CN201911071634.5A CN201911071634A CN110702054B CN 110702054 B CN110702054 B CN 110702054B CN 201911071634 A CN201911071634 A CN 201911071634A CN 110702054 B CN110702054 B CN 110702054B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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Abstract
The invention discloses a sphericity detector for plastic balls, which comprises a support, a swinging component rotatably mounted at the top of the support and a driving component mounted on the support and used for driving a plastic ball to be detected to rotate, wherein the swinging component comprises a swinging frame, a rotating shaft arranged along the rotating axis of the swinging frame, a ball mounting seat vertically arranged on the center of the rotating axis of the swinging frame on the ground and a counterweight component deviating from the ball mounting seat; the drive part comprises a rotary power part, a transition connecting rod and a sucker component which are connected in sequence, the sucker component adsorbs the outer wall of the ball body to be detected, and the transition connecting rod horizontally penetrates through the through groove to be used for enabling the plastic ball to be detected to be attached to and positioned in the ball center of the ball body mounting seat. The rotating power part drives the plastic ball to be detected to rotate, and the swinging of the swinging frame is used as a basis for judging whether the sphericity is qualified or not, so that the detection efficiency and precision are greatly improved.
Description
Technical Field
The invention relates to the field of plastic ball detection equipment, in particular to a sphericity detector for plastic balls.
Background
The existing sports balls mainly adopt plastic balls made of PVC materials, after the plastic balls are processed, the plastic balls are inflated to be expanded to a specified size, and then the sphericity detection is carried out to ensure the outgoing quality; at present, the traditional sphericity detection method adopts a sphericity circular-arc caliper for manual measurement, and the detection result is inaccurate and the detection efficiency is low due to unfixed plastic balls to be detected and errors caused by manual operation in the measurement process. Therefore, there is a need for a sphericity detector for plastic balls, which can improve the accuracy and efficiency of sphericity detection of plastic balls.
Disclosure of Invention
The invention mainly aims to provide a sphericity detector for a plastic ball, which solves the problems of low detection precision and low detection efficiency in the prior process of detecting the sphericity of the plastic ball.
In order to achieve the purpose, the sphericity detector for the plastic balls comprises a support, a swinging component and a driving component, wherein the swinging component is rotatably installed at the top of the support, the driving component is installed on the support and is used for driving the plastic balls to be detected to rotate, the swinging component comprises a swinging frame with a rotation axis parallel to the ground, a rotating shaft arranged along the rotation axis of the swinging frame, a ball installation seat vertically arranged on the center of the rotation axis of the swinging frame, and a counterweight component arranged on the center of the rotation axis of the swinging frame and deviating from the ball installation seat, the ball installation seat is a semi-spherical shell with an upper opening and is formed with a spherical space for accommodating the balls to be detected, and the ball installation seat is provided with a through groove horizontally penetrating through the center of the ball; the driving part comprises a rotary power part, a transition connecting rod and a sucker component which are sequentially connected, the sucker component is used for adsorbing the outer wall of the ball body to be detected, and the transition connecting rod horizontally penetrates through the through groove and is used for positioning the plastic ball to be detected in a fitting mode at the center of the ball body mounting seat.
Preferably, the support includes the top frame that the level set up, vertical fixation in the landing leg of top frame bottom, centrosymmetric set up in top frame both sides are used for rotating the installation the bearing frame of pivot and set up in top frame one side is used for installing driver part's support frame.
Preferably, the swing frame includes a swing frame and a circular support plate provided at the center of the swing frame.
Preferably, the sphere mounting seat comprises a support rod vertically fixed at the center of the circular support plate and a hemispherical shell seat detachably mounted at one end of the support rod, which is far away from the circular support plate, and the hemispherical shell seat is mounted at the top end of the support rod through the bottom of the vertical sphere passing center.
Preferably, the inner cavity spherical surface of the hemispherical shell seat is attached to the spherical surface of the plastic ball to be tested, the hemispherical shell seat is provided with a non-penetrating installation screw hole through the bottom of the spherical center, the two sides of the hemispherical shell seat are symmetrically provided with a horizontal through groove penetrating through the spherical center, and the through groove is a U-shaped groove with an upper opening.
Preferably, the counterweight assembly comprises a swinging connecting rod and a counterweight cylinder, wherein the swinging connecting rod is vertically fixed at the center of one side of the circular supporting plate, which is far away from the hemispherical shell seat, and the counterweight cylinder is coaxially fixed at the bottom of the swinging connecting rod.
Preferably, the rotating power part is a rotating motor vertically installed on the support frame, an output shaft of the rotating motor is connected with an input shaft of a speed reducer, and an output shaft of the speed reducer is connected with the transition connecting rod and horizontally faces the through groove.
Preferably, the sucking disc subassembly includes the stand pipe, install in the vacuum chuck of stand pipe one end and connection vacuum chuck's trachea, the stand pipe is seted up and is run through its axis's vertical through-hole perpendicularly, tracheal one end intercommunication vacuum chuck, tracheal other end passes the hole of stand pipe and follow the intercommunication cylinder is stretched out to vertical through-hole. Preferably, the cylinder is provided with a switch, and the switch is used for switching on or switching off the cylinder so that the vacuum chuck can suck and grab the outer wall of the sphere to be detected or correspondingly loosen the sphere to be detected.
Preferably, a pressure detection belt is embedded in the inner cavity of the hemispherical shell seat, the pressure detection belt is installed on the spherical surface between the two through grooves, the pressure detection belt is used for detecting the contact condition between the outer spherical surface of the sphere to be detected and the spherical surface of the inner cavity of the hemispherical shell seat, and the pressure detection belt is electrically connected with a display.
In the technical scheme of the invention, the swing component is of a symmetrical structure and can rotate left and right around the rotating shaft, the sphere mounting seat is a hemispherical shell and forms a spherical space for accommodating a to-be-detected sphere, the to-be-detected plastic sphere is positioned at the sphere center of the sphere mounting seat through the driving component, the outer surface of the to-be-detected plastic sphere is attached to the surface of the inner cavity of the sphere mounting seat, the rotary power component drives the to-be-detected plastic sphere to rotate for a circle around the sphere center of the to-be-detected plastic sphere, whether the swing frame swings to indicate that the sphericity is unqualified or not is observed, if the swing frame does not swing, the to-be-detected plastic sphere rotates for 90 degrees relative to the positioning point of the upper sucking disc component in the same plane for repositioning, the rotary power component drives the swing frame to rotate for a circle again for continuous detection, the whole process realizes waiting to detect the location of plastic ball through the sucking disc subassembly, through rotary power spare drives wait to detect the rotation indirect observation of plastic ball the swing of swing span is as judging whether qualified foundation of sphericity, promotes the efficiency and the precision that detect greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
Fig. 2 is a front view of fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
11 | |
| 12 | |
13 | |
| 14 | |
2 | |
| 21 | |
211 | |
| 212 | |
213 | |
| 22 | |
23 | |
| 230 | Through |
231 | |
| 232 | |
24 | |
| 241 | Swinging connecting |
242 | Counterweight cylinder |
| 3 | |
31 | |
| 32 | |
33 | |
| 331 | |
332 | |
| 333 | |
334 | |
| 335 | Switch with a |
4 | |
| 5 | Display device |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a sphericity detector for a plastic ball.
With reference to fig. 1 and 2, the sphericity detector for plastic balls disclosed in this embodiment includes a support 1, a swing component 2 rotatably mounted on the top of the support 1, and a driving component 3 mounted on the support 1 and used for driving a plastic ball to be detected to rotate, where the swing component 2 includes a swing frame 21 having a rotation axis parallel to the ground, a rotating shaft 22 arranged along the rotation axis of the swing frame 21, a ball mounting seat 23 arranged perpendicular to the ground and at the rotation axis of the center of the swing frame 21, and a counterweight assembly 24 arranged at the center of the swing frame 21 and away from the ball mounting seat 23, the ball mounting seat 23 is a hemispherical shell with an upper opening and is formed with a spherical space for accommodating a ball to be detected, and the ball mounting seat 23 is provided with a through groove 230 horizontally passing through the center of the ball; the driving part 3 comprises a rotary power part 31, a transition connecting rod 32 and a sucker component 33 which are sequentially connected, the sucker component 33 is used for adsorbing the outer wall of the ball to be detected, and the transition connecting rod 32 horizontally penetrates through the through groove 230 and is used for attaching and positioning the plastic ball to be detected to the center of the ball mounting seat 23.
In the technical scheme of the invention, the swing component 2 is a symmetrical structure and can rotate left and right around the rotating shaft 22, the sphere mounting seat 23 is a hemisphere shell and forms a sphere space for accommodating a to-be-detected sphere, the to-be-detected plastic sphere is positioned at the sphere center of the sphere mounting seat 23 through the driving component 3, the outer surface of the to-be-detected plastic sphere is attached to the inner cavity surface of the sphere mounting seat 23, the rotary power component 31 drives the to-be-detected plastic sphere to rotate a circle around the sphere center of the to-be-detected plastic sphere, a detector observes whether the swing frame 21 swings, if the swing indicates that the sphericity is not qualified, the to-be-detected plastic sphere is repositioned at 90 degrees in the same plane relative to the positioning point of the last sucking disc component 33 in a rotating way if the swing frame 21 swings, the rotary power component 31 drives the swing frame to, the sphericity is qualified after the swing frame 21 is measured twice and is not moved, the positioning of the plastic ball to be detected is realized through the sucker assembly 33 in the whole process, the swing of the swing frame 21 is indirectly observed through the rotation of the plastic ball to be detected driven by the rotary power part 31 to serve as a basis for judging whether the sphericity is qualified or not, and the detection efficiency and precision are greatly improved.
Preferably, the support 1 includes a top frame 11 horizontally disposed, a leg 12 vertically fixed at the bottom of the top frame, a bearing seat 13 centrally symmetrically disposed on two sides of the top frame 11 for rotatably mounting the rotating shaft 22, and a support frame 14 disposed on one side of the top frame 11 for mounting the driving member 3.
Specifically, the top frame 11 is a rectangular frame, the number of the supporting legs 12 is four, the cross section of the supporting frame 14 is L-shaped, a short arm plate of the supporting frame is horizontally connected with a side wall of a central axis of the top frame 11 in the length direction, and a long arm plate of the supporting frame 14 is aligned with the sphere mounting seat 23.
Preferably, the swing frame 21 includes a swing frame 211 and a circular support plate 212 provided at the center of the swing frame 211.
Specifically, the circular support plate 212 is fixed to the center of the top frame 11 by a transverse link 213.
Preferably, the sphere mounting seat 23 includes a support rod 231 vertically fixed at the center of the circular support plate 212 and a hemispherical seat 232 detachably mounted at an end of the support rod 231 facing away from the circular support plate 212, and the hemispherical seat 232 is mounted at the top end of the support rod 212 with a bottom passing through the center of sphere.
Specifically, the top end of the supporting rod 231 is provided with a mounting thread along the rod length for connecting the hemispherical shell base 232.
Preferably, the spherical surface of the inner cavity of the hemispherical shell base 232 is fitted to the spherical surface of the plastic ball to be tested, the hemispherical shell base 232 is provided with a mounting screw hole (not shown) which is not penetrated through the bottom of the spherical center, the two sides of the hemispherical shell base 232 are symmetrically provided with the through groove 230 which horizontally penetrates through the spherical center, and the through groove 230 is a U-shaped groove with an upper opening.
Specifically, the suction cup assembly 33 is disposed in the through groove 230.
Preferably, the weight assembly 24 includes a swing link 241 vertically fixed to the center of the side of the circular support plate 212 facing away from the hemispherical shell base 232 and a weight cylinder 242 coaxially fixed to the bottom of the swing link 241.
Specifically, by setting the weight of the counterweight cylinder 242, the surface of the plastic ball to be measured has a protrusion under the condition that the sphericity does not reach the standard, and under the condition that the plastic ball to be measured and the hemispherical shell base 232 are concentric, the surfaces of the plastic ball to be measured and the hemispherical shell base 232 are attached to each other, and the swinging frame 21 is driven to swing due to the friction between the protrusion vertex and the surface of the inner cavity of the hemispherical shell base 232 in the process that the plastic ball to be measured rotates around the center of the sphere, otherwise, the swinging frame 21 does not swing.
Preferably, the rotating power member 31 is a rotating motor vertically installed on the supporting frame 14, an output shaft of the rotating motor is connected to an input shaft of a speed reducer (not shown), and an output shaft of the speed reducer is connected to the transition link 32 and horizontally faces the through slot 230.
Specifically, the rotating speed of the rotating motor is adjusted through the speed reducer, so that the to-be-measured plastic ball slowly rotates to facilitate observation of the swing frame 21.
Preferably, the suction cup assembly 33 includes a guide tube 331, a vacuum chuck 332 installed at one end of the guide tube 331, and an air tube 333 connected to the vacuum chuck 332, the guide tube 331 is provided with a vertical through hole vertically penetrating through an axis thereof, one end of the air tube 333 is communicated with the vacuum chuck 332, and the other end of the air tube 333 passes through an inner hole of the guide tube 331 and extends out of the vertical through hole to be communicated with an air cylinder 334.
Specifically, the cylinder 334 is mounted on the support bracket.
Preferably, the air cylinder 334 is provided with a switch 335, and the switch 335 is used for turning on or off the air cylinder 334 so that the vacuum chuck 332 can suck and grab the outer wall of the ball to be detected or correspondingly release the ball to be detected.
Specifically, the valve of the plastic ball to be tested is set as a first adsorption point, and the vertex passing through the center of the ball after the valve rotates 90 degrees on the same plane is set as a second adsorption point. The sucker component 33 sequentially adsorbs the first adsorption point and the second adsorption point to complete rotation detection.
Preferably, a pressure detection belt 4 is embedded in the inner cavity of the hemispherical shell seat 23, the pressure detection belt 4 is installed on the spherical surface between the two through grooves 230, the pressure detection belt 4 is used for detecting the contact condition between the outer spherical surface of the sphere to be detected and the spherical surface of the inner cavity of the hemispherical shell seat 23, and the pressure detection belt 4 is electrically connected with a display 5.
Specifically, the contact condition of the pressure detection belt 4 and the outer spherical surface of the sphere to be detected is recorded through a display 5, and the sphericity of the sphere to be detected is further detected.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A sphericity detector for plastic balls is characterized by comprising a support, a swinging component and a driving component, wherein the swinging component is rotatably mounted at the top of the support, the driving component is mounted on the support and used for driving a plastic ball to be detected to rotate, the swinging component comprises a swinging frame with a rotation axis parallel to the ground, a rotating shaft arranged along the rotation axis of the swinging frame, a ball mounting seat vertically arranged at the center of the rotation axis of the swinging frame on the ground and a counterweight component arranged at the center of the rotation axis of the swinging frame and deviating from the ball mounting seat, the ball mounting seat is a semi-spherical shell with an upper opening and is formed with a spherical space for accommodating the ball to be detected, and the ball mounting seat is provided with a through groove horizontally penetrating through the center of the ball mounting; the driving part comprises a rotary power part, a transition connecting rod and a sucker component which are sequentially connected, the sucker component is used for adsorbing the outer wall of the ball body to be detected, and the transition connecting rod horizontally penetrates through the through groove and is used for positioning the plastic ball to be detected in a fitting mode at the center of the ball body mounting seat.
2. The sphericity detector for plastic balls according to claim 1, wherein the support comprises a top frame disposed horizontally, support legs vertically fixed to the bottom of the top frame, bearing seats centrally symmetrically disposed on both sides of the top frame for rotatably mounting the rotating shaft, and a support frame disposed on one side of the top frame for mounting the driving member.
3. The sphericity monitor for plastic balls according to claim 1, wherein the swing frame comprises a swing frame and a circular support plate provided at the center of the swing frame.
4. The sphericity monitor for a plastic ball of claim 3, wherein the ball mount comprises a support rod vertically fixed to the center of the circular support plate and a hemispherical housing detachably mounted to an end of the support rod opposite to the circular support plate, the hemispherical housing being mounted to the top end of the support rod at a bottom portion thereof passing through the center of the ball.
5. The sphericity detector for plastic balls according to claim 4, wherein the spherical surface of the inner cavity of the hemispherical shell base is fitted to the spherical surface of the plastic ball to be detected, a mounting screw hole that does not penetrate through is provided at the bottom of the hemispherical shell base that passes through the center of sphere, the through grooves that horizontally penetrate through the center of sphere are symmetrically provided on both sides of the hemispherical shell base, and the through grooves are U-shaped grooves with an upper opening.
6. The sphericity monitor for a plastic ball of claim 3, wherein said weight assembly comprises a swing link vertically fixed to a center of a side of said circular support plate facing away from said hemispherical case base and a weight cylinder coaxially fixed to a bottom of said swing link.
7. The sphericity detector for plastic balls according to claim 2, wherein the rotating power member is a rotating motor vertically mounted on the support frame, an output shaft of the rotating motor is connected to an input shaft of a speed reducer, and an output shaft of the speed reducer is connected to the transition link and horizontally faces the through groove.
8. The sphericity detector according to claim 1, wherein the suction cup assembly comprises a guide tube, a vacuum cup attached to one end of the guide tube, and an air tube connected to the vacuum cup, wherein the guide tube has a vertical through hole extending vertically through an axis thereof, one end of the air tube communicates with the vacuum cup, and the other end of the air tube passes through an inner hole of the guide tube and extends out of the vertical through hole to communicate with the air cylinder.
9. The sphericity detector for plastic balls according to claim 8, wherein the cylinder is provided with a switch for turning on or off the cylinder so that the vacuum chuck grips the outer wall of the ball to be detected by suction or releases the ball to be detected correspondingly.
10. The sphericity detector for plastic balls according to claim 4, wherein a pressure detection band is embedded in the inner cavity of the hemispherical shell base, the pressure detection band is installed on the spherical surface between the two through grooves, the pressure detection band is used to detect the contact condition between the outer spherical surface of the ball to be detected and the spherical surface of the inner cavity of the hemispherical shell base, and the pressure detection band is electrically connected with a display.
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| CN201911071634.5A CN110702054B (en) | 2019-11-05 | 2019-11-05 | Sphericity detector for plastic ball |
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| CN201911071634.5A CN110702054B (en) | 2019-11-05 | 2019-11-05 | Sphericity detector for plastic ball |
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| CN110702054B true CN110702054B (en) | 2021-07-16 |
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| CN112697396B (en) * | 2020-12-07 | 2023-05-02 | 杭州精成光电电器有限公司 | LED bulb surface detection device and detection method |
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