Wafer round edge automatic weighing and packing machine
By designing an automatic weighing and packaging machine for wafers with rounded edges, and utilizing components such as vibratory feeders and electronic scales, the automatic weighing and packaging of wafers is achieved, solving the problems of large errors and low efficiency in manual weighing, and improving weighing accuracy and work efficiency.
Patent Information
- Application Number
- CN202422734343.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-11
AI Technical Summary
In the existing technology, manual weighing of wafers in front of the round edge has problems of large error and low efficiency, resulting in inconsistent frequencies between the round edge cylinders, which affects the etching process of the entire batch of chips.
Design an automatic weighing and packaging machine for wafers with rounded edges, including a feeding mechanism, a weighing mechanism and a receiving mechanism. The automatic weighing and packaging of wafers is achieved by using a vibratory feeder, a linear feeder and an electronic scale, and the precise filling of the receiving cylinder is achieved by the cooperation of a gripper device and a ejector pin.
It enables automatic weighing and packaging of wafers before they reach the rounded edge, reducing the error of each roll and improving work efficiency and weighing accuracy.
Smart Images
Figure CN223591097U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to quartz wafer processing equipment technical field especially relates to a wafer round edge automatic weighing packing machine. BACKGROUND
[0002] In order to make quartz oscillator reach high stability, high reliability and the requirement of no spurious, chip needs to be ground into spherical profile. Put into the round edge cylinder and produce the spherical profile on the crystal plate process is called round edge. In the round edge process, a certain amount of chip and sand are mixed with a certain weight ratio, and put into the round edge cylinder for edge processing.
[0003] At present, before the round edge process, personnel need to manually weigh the incoming material of the front station and evenly divide into several parts for the edge processing of the round edge machine. In the manual division process, the following risks exist: 1. When manually adding material to the electronic scale, the light and heavy of the method can easily cause too much material to be added. If too much material needs to be poured out and added again, it will reduce the efficiency. 2. In the existing manual weighing, there will be a remainder at the end. 3. Because the weight error of each cylinder needs to be within ±0.15% (minimum ±0.0007g), manual weighing and division are difficult, and the weight difference between the cylinders is large, which causes the frequency of the round edge cylinders to rise out of sync, the chip scattering difference of the whole batch is large, and it affects the etching process. In summary, a wafer round edge automatic weighing and packing device needs to be designed to eliminate the risk of manual weighing by personnel. SUMMARY
[0004] The technical problem to be solved by the utility model is to provide a wafer round edge automatic weighing and packing machine, which realizes automatic weighing and packing of wafers before round edge, reduces the error of each cylinder compared with the manual weighing method, and improves the work efficiency.
[0005] The utility model adopts the technical scheme that provides a wafer round edge automatic weighing and packing machine, which comprises a rack, a feeding mechanism, a weighing mechanism and a material collecting mechanism are sequentially arranged on the upper end of the rack from right to left, the feeding mechanism comprises a vibrating disc and a linear feeder arranged at the outlet of the vibrating disc, the linear feeder is horizontally arranged, and one end extends above the weighing mechanism, the material collecting mechanism comprises a material collecting turntable and a power mechanism for driving the material collecting turntable to rotate, a plurality of clamping jaw devices are arranged around the circumference at the lower end edge of the material collecting turntable, each clamping jaw device clamps a material collecting cylinder, each clamping jaw device comprises a guide block and two clamps, the guide block is connected with the two clamps arranged opposite to each other at the lower end through sliding, a clamping spring is arranged between the two clamps, a roller is arranged at the lower part of each clamp, a thimble and a cylinder for driving the thimble to move back and forth horizontally are arranged below the material collecting turntable, one end of the thimble is in the form of a triangular plate, and two rollers are extruded by one end of the thimble to control the two clamps to open.
[0006] As a supplement to the technical scheme of the utility model, the four corners of the lower end of the rack are each provided with a foot, and the outer side of each foot is provided with a castor.
[0007] As a supplement to the technical scheme of the utility model, the upper end of the rack is provided with a plexiglass cover, the plexiglass cover covers the feeding mechanism, the weighing mechanism and the material collecting mechanism, and the front end of the plexiglass cover is provided with two doors, one of which is provided with a control screen.
[0008] As a supplement to the technical scheme of the utility model, the weighing mechanism is an electronic scale.
[0009] As a supplement to the technical scheme of the utility model, the power mechanism comprises a stepping motor, the lower part of the rack is provided with the stepping motor, the output shaft of the stepping motor is provided with a driving wheel, the rotating shaft of the lower end of the material collecting turntable is provided with a driven wheel, and the driving wheel and the driven wheel are connected through a belt.
[0010] As a supplement to the technical scheme of the utility model, the upper side of the outlet of the linear feeder is provided with a first photoelectric sensor, and the upper side of the vibration disc is provided with a second photoelectric sensor.
[0011] As a supplement to the technical scheme of the utility model, the track of the vibration disc is provided with a slidable adjusting sliding block, the upper end of the rack is provided with an adjusting motor on one side of the vibration disc, the output shaft of the adjusting motor is connected with an eccentric shaft, and one end of the eccentric shaft is inserted into the adjusting sliding block.
[0012] Advantageous effects: the wafer round edge automatic weighing and packaging machine realizes automatic weighing and packaging of wafers before round edges, reduces the error of each barrel of material compared with the manual weighing mode, improves work efficiency, and is reliable. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a structural schematic view of the utility model;
[0014] Figure 2 is a structural schematic view of the material collecting turntable and the power mechanism of the utility model;
[0015] Figure 3 is a structural schematic view of the clamping jaw device, the ejector pin and the air cylinder of the utility model;
[0016] Figure 4 is a structural schematic view of the clamping jaw device of the utility model;
[0017] Figure 5It is the structure schematic view of the linear feeder and the vibration disc of the utility model.
[0018] Figure 6 It is the structure schematic view of the utility model discloses the top needle.
[0019] Fig. illustrates: 1, rack, 2, linear feeder, 3, driven wheel, 4, vibration disc, 5, adjusting motor, 6, belt, 7, electronic scale, 8, material collecting turntable, 9, clamping jaw device, 10, material collecting cylinder, 11, organic glass cover, 12, control screen, 13, air cylinder, 14, top needle, 15, stepping motor, 16, clamping jaw, 17, driving wheel, 18, bottom foot, 19, caster, 20, adjusting sliding block, 21, guide block, 22, second fixed frame, 23, first fixed frame, 24, eccentric shaft, 25, first photoelectric sensor, 26, second photoelectric sensor, 27, clamping spring, 28, roller. DETAILED DESCRIPTION
[0020] The utility model is further described below in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
[0021] The embodiment of the utility model relates to a kind of wafer round edge automatic weighing packing machine, as shown in Figures 1-6 The utility model discloses a kind of wafer round edge automatic weighing packing machine, as shown in Fig. illustrates: 1, rack, 2, linear feeder, 3, driven wheel, 4, vibration disc, 5, adjusting motor, 6, belt, 7, electronic scale, 8, material collecting turntable, 9, clamping jaw device, 10, material collecting cylinder, 11, organic glass cover, 12, control screen, 13, air cylinder, 14, top needle, 15, stepping motor, 16, clamping jaw, 17, driving wheel, 18, bottom foot, 19, caster, 20, adjusting sliding block, 21, guide block, 22, second fixed frame, 23, first fixed frame, 24, eccentric shaft, 25, first photoelectric sensor, 26, second photoelectric sensor, 27, clamping spring, 28, roller.
[0022] The utility model discloses a kind of wafer round edge automatic weighing packing machine, as shown in Fig. illustrates: 1, rack, 2, linear feeder, 3, driven wheel, 4, vibration disc, 5, adjusting motor, 6, belt, 7, electronic scale, 8, material collecting turntable, 9, clamping jaw device, 10, material collecting cylinder, 11, organic glass cover, 12, control screen, 13, air cylinder, 14, top needle, 15, stepping motor, 16, clamping jaw, 17, driving wheel, 18, bottom foot, 19, caster, 20, adjusting sliding block, 21, guide block, 22, second fixed frame, 23, first fixed frame, 24, eccentric shaft, 25, first photoelectric sensor, 26, second photoelectric sensor, 27, clamping spring, 28, roller.
[0023] The power mechanism comprises a stepping motor 15, the stepping motor 15 is installed in the lower part of the frame 1, a driving wheel 17 is installed on the output shaft of the stepping motor 15, a driven wheel 3 is installed on the rotating shaft of the lower end of the material receiving turntable 8, and the driven wheel 3 is connected with the driving wheel 17 through a belt 6.
[0024] A first photoelectric sensor 25 is arranged above the outlet of the linear feeder 2, the first photoelectric sensor 25 is installed on the upper end of the frame 1 through a first fixing frame 23, the first photoelectric sensor 25 is aligned with the outlet of the linear feeder 2, a second photoelectric sensor 26 is arranged above the vibration disc 4, the second photoelectric sensor 26 is installed on the side of the linear feeder 2 through a second fixing frame 22, and the second photoelectric sensor 26 is aligned with the inside of the vibration disc 4.
[0025] A slidable adjusting sliding block 20 is arranged on the track of the vibration disc 4, an adjusting motor 5 is installed on one side of the vibration disc 4 at the upper end of the frame 1, an eccentric shaft 24 is connected with the output shaft of the adjusting motor 5, and one end of the eccentric shaft 24 is inserted into the adjusting sliding block 20; the adjusting motor 5 controls the rotation of the eccentric shaft 24, the rotation of the eccentric shaft 24 adjusts the position of the adjusting sliding block 20, so as to adjust the track width of the vibration disc 4.
[0026] An organic glass cover 11 is installed on the upper end of the frame 1, the organic glass cover 11 covers the feeding mechanism, the weighing mechanism and the material receiving mechanism, two doors are arranged on the front end of the organic glass cover 11, one of the two doors is provided with a control screen 12; the control screen 12 is connected with the stepping motor 15, the linear feeder 2, the vibration disc 4, the adjusting motor 5 and the air cylinder 13 respectively, PLC is adopted to control each component, the PLC control is a common control method at present, and belongs to the prior art, so it will not be described in detail.
[0027] The working principle of the device is as follows: the vibration disc 4 is used as a feeding source, the vibration disc 4 arranges and arranges the wafers, and then the wafers are sent out through the linear feeder 2, the electronic scale 7 is adopted to realize automatic weighing of the wafers, the stepping motor 15 controls the rotation of the material receiving turntable 8 to realize rotary packaging. The wafer round edge automatic weighing and packaging machine will automatically adjust the feeding speed and quantity according to the required wafer quantity of each material receiving cylinder 10 on the feeding system, through PLC control of the frequency of the vibration disc 4, and change of the rotation angle of the eccentric shaft 24 to adjust the position of the adjusting sliding block 20, so as to automatically adjust the feeding speed and quantity, a stepping motor 15 is used to drive the packaging mechanism in the material receiving system, and a jaw disc (i.e. the material receiving turntable 8 and the plurality of jaw devices 9) is designed as a packaging cylinder clamp to facilitate taking.
[0028] When the required weight of each receiving cylinder 10 wafer is input to the control screen 12, the track of the vibration disc 4 is loaded with the maximum width and can pass through multiple wafers at a time, when approaching the required weight of each receiving cylinder 10 wafer, the adjusting motor 5 starts to operate to rotate the eccentric shaft 24, the eccentric shaft 24 rotation adjusts the position of the adjusting block 20, so that the track of the vibration disc 4 gradually changes to single wafer passing, improving the accuracy of the equipment weighing; the second photoelectric sensor 26 is used to detect whether there is a wafer on the vibration disc 4, when no wafer is detected, the vibration disc 4 will be driven to work, and the first photoelectric sensor 25 detects whether there is a wafer at the outlet of the linear feeder 2, when no wafer is detected, the linear feeder 2 will be driven to work.
[0029] The linear feeder 2 and the vibration disc 4 are existing components and can be directly purchased on the market.
[0030] When the equipment is running, the step motor 15 in the receiving mechanism drives the receiving turntable 8 to rotate until the corresponding receiving cylinder 10 is transported to the directly above the electronic scale 7, then the cylinder 13 drives the ejector pin 14 to move forward, and the two rollers 28 are pressed at one end of the ejector pin 14 to control the two clamping jaws 16 to open, so that the receiving cylinder 10 falls on the electronic scale 7, and then the electronic scale 7 automatically resets to zero and receives; when the wafer of the receiving cylinder 10 reaches the target weight, the cylinder 13 drives the ejector pin 14 to move backward, and the two clamping jaws 16 rely on the clamping spring 27 to move relatively close to clamp the receiving cylinder 10, and the step motor 15 rotates to complete the receiving.
[0031] In the description of the utility model, it is understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship usually is based on the orientation or position relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the condition of not making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore it can not be understood as the restriction of the protection scope of the utility model;The orientation words "in, out" refer to the inside and outside relative to the contour of each component.
[0032] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.
[0033] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.
[0034] The above provides a detailed description of an automatic weighing and packaging machine for rounded edges of wafers provided in this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.
Claims
1. A wafer edge automatic weighing and packing machine comprising a frame (1), characterized in that: The upper end of the frame (1) is sequentially provided with a feeding mechanism, a weighing mechanism and a collecting mechanism from right to left, the feeding mechanism comprises a vibrating disc (4) and a linear feeder (2) arranged at the outlet of the vibrating disc (4), the linear feeder (2) is horizontally arranged and extends to above the weighing mechanism at one end, the collecting mechanism comprises a collecting turntable (8) and a power mechanism for driving the collecting turntable (8) to rotate, a plurality of claw devices (9) are arranged around the lower end edge of the collecting turntable (8), each claw device (9) clamps a collecting cylinder (10), the claw device (9) comprises a guide block (21) and two clamps (16), the lower end of the guide block (21) is slidably connected with the two clamps (16) arranged opposite to each other, a clamping spring (27) is arranged between the two clamps (16), the lower part of each clamp (16) is provided with a roller (28), a thimble (14) is arranged below the collecting turntable (8), and a cylinder (13) is arranged below the thimble (14) and drives the thimble (14) to move transversely back and forth, one end of the thimble (14) is in the form of a triangular plate structure, two rollers (28) are pressed by one end of the thimble (14) so as to control the two clamps (16) to open.
2. The wafer edge automatic weighing and packing machine according to claim 1, characterized in that: A foot (18) is arranged at each corner of the lower end of the frame (1), and a castor (19) is arranged outside each foot (18) of the lower end of the frame (1).
3. The wafer edge automatic weighing and packing machine according to claim 1, characterized in that: A plexiglass cover (11) is arranged at the upper end of the frame (1) and covers the feeding mechanism, the weighing mechanism and the collecting mechanism, and two doors are arranged at the front end of the plexiglass cover (11), one of the two doors is provided with a control screen (12).
4. The wafer edge automatic weighing and packing machine according to claim 1, characterized in that: The weighing mechanism is an electronic scale (7).
5. The wafer edge automatic weighing and packing machine according to claim 1, characterized in that: The power mechanism comprises a stepping motor (15), the stepping motor (15) is arranged in the lower part of the frame (1), a driving wheel (17) is arranged on the output shaft of the stepping motor (15), a driven wheel (3) is arranged on the rotating shaft at the lower end of the collecting turntable (8), and the driving wheel (17) and the driven wheel (3) are connected through a belt (6).
6. The wafer edge automatic weighing and packing machine according to claim 1, characterized in that: A first photoelectric sensor (25) is arranged above the outlet of the linear feeder (2), and a second photoelectric sensor (26) is arranged above the vibrating disc (4).
7. The wafer round edge automatic weighing and packing machine according to claim 1, characterized in that: An adjustable sliding block (20) is arranged on the track of the vibrating disc (4), an adjusting motor (5) is arranged at one side of the vibrating disc (4) at the upper end of the frame (1), an eccentric shaft (24) is connected to the output shaft of the adjusting motor (5), and one end of the eccentric shaft (24) is inserted into the adjustable sliding block (20).