TWI822555B - Conveying device and inspection equipment using the conveying device - Google Patents

Abstract

The invention provides a conveying device and inspection equipment using the conveying device. The conveying device includes: two adjacent conveying lanes, each conveying lane is respectively provided with a detector at a material inlet; a rotating wheel, Located between two adjacent conveyor lanes, it can rotate clockwise or counterclockwise; the dial can be driven to rotate clockwise or counterclockwise according to the conveying information of the transported objects detected by the detector. ; This prevents the transported objects from getting jammed, allowing the subsequent process to proceed smoothly.

Description

Conveying device and inspection equipment using the conveying device

The present invention relates to a conveying device and inspection equipment using the conveying device, and in particular to a conveying device that divides a conveying flow path and inspection equipment using the conveying device.

In the general chip manufacturing process, a plurality of circuit sections arranged in a matrix are arranged on a thin rectangular substrate. After the substrate is cleaned, flux sprayed, and a plurality of solder balls are placed in each circuit section, it is baked. It is a process that bakes and then places the die on the solder ball in the circuit area to solder the connection and positioning. This process usually requires an inspection process after the ball (solder ball) is planted and baked. Confirm whether the solder balls on the substrate are in the correct position.

The prior art is, for example, Patent No. I716935 "Thin Object Inspection Method, Device and Equipment". The prior art in this patent uses a plurality of circuit breakers when receiving the substrate after ball placement (solder balls) and baking. A conveyor channel that provides a transport flow path is used to receive the substrates that have been ball-mounted and baked in the previous process and input them into a ball-mounting inspection equipment. Each conveyor channel is composed of a plurality of rollers spaced in parallel and parallel to each other on the horizontal conveying surface. Each conveyor channel is equipped with a gate at the discharge port for blocking or opening control. The discharge port is also equipped with a detector to detect the discharge status; each roller is controlled by a motor. It is driven by a driving member and linked by a belt for active rotation.

In the prior art of this patent, when a plurality of conveyor lanes providing transport flow paths receive substrates sent from the previous process, the substrates may hit the spacers between the two conveyor lanes and be offset and blocked at the entrance of the conveyor lanes. How to solve this problem remains to be seen. Further research.

Therefore, an object of the present invention is to provide a conveying device that avoids clogging when conveyed objects are diverted.

Another object of the present invention is to provide an inspection equipment using the conveying device.

The conveying device according to the object of the present invention includes: two adjacent conveying lanes, each conveying lane is provided with a detector at the material inlet; a rotating wheel is located between the two adjacent conveying lanes. time, it can rotate clockwise or counterclockwise; the dial wheel can be driven to rotate clockwise or counterclockwise according to the conveyance information of the transported object detected by the detector.

According to another object of the present invention, the inspection equipment uses the transport device as described above.

In the conveying device and the inspection equipment using the conveying device according to the embodiment of the present invention, when two adjacent conveying lanes receive conveyed objects, the detector at the inlet of each conveying lane can detect the conveying information. , causing the dial wheel to rotate clockwise or counterclockwise to help guide the transported objects into the correct conveyor path, thereby avoiding jamming and allowing subsequent processes to proceed smoothly.

A: Check the equipment

A1:Conveying device

A11: Conveyor Road

A111: Spacer

A112: Common area

A113: Dial wheel

A114: Fixtures

A115:Driving parts

A116:Roller body

A117:Roller contact part

A12:Roller

A121:Driving parts

A122: Belt

A13: Inlet

A131: Detector

A14: Discharge port

A141:Driving parts

A142:Gate

A143: Guide parts

A144: Detector

A2: Check the device

A21: View unit

A22: Check the track

A3: Collection device

A31: frame box

A4: First conversion device

A41: First rail base

A42:Conveying flow path

A43: Loading rail frame

A5: Second conversion device

A51: Second rail base

A52:Conveying flow path

A53: Remove the rail frame

K: Object to be transported

L: Conveyor belt

Figure 1 is a schematic configuration diagram of an inspection device to illustrate an embodiment of the present invention.

Figure 2 is a schematic perspective view of the transport device in the inspection equipment.

Figure 3 is a three-dimensional schematic diagram of the arrangement of the dial wheel in the conveying device.

Figure 4 is a schematic diagram of the conveyed object in the conveying device being affected by the dial wheel from one side of the conveying channel.

Figure 5 is a schematic diagram of the conveyed object in the conveying device being affected by the dial wheel from the conveyor path on the other side.

Please refer to Figure 1. The embodiment of the present invention takes the inspection equipment A used for ball placement inspection on the substrate as an example, but is not limited to the inspection of ball placement; the inspection equipment A undertakes the completion of ball placement (solder balls). The baked substrate is used as the transported object K. The substrate is a rectangular thin object. A plurality of circuit sections arranged in a matrix are arranged on the substrate. A plurality of welding dies are planted in each circuit section according to the circuit needs. tin balls (not shown in the picture due to their large number and too fine size).

The inspection equipment A is provided with a transport device A1, an inspection device A2, and a collection device A3 on the same machine table; when the transported object K is sent into the inspection equipment A, it first passes through the conveyor A1 A plurality of conveyor lanes A11 are divided, and then sent to the inspection device A2 equipped with an inspection unit A21 with a CCD lens to inspect the ball placement on the substrate. After the conveyed objects are inspected, they are sent to the collection device A3 with a plurality of frame boxes A31. Collection of works.

Among them, the inspection device A2 is provided with a plurality of inspection rails A22. Each inspection rail A22 is spaced apart and parallel to each other in the X-axis direction. In this embodiment, two inspection rails A22 are provided. Each inspection unit A21 is provided with a CCD lens above an inspection track A22.

A first conversion device A4 is provided on the X-axis flow path between the transport device A1 and the inspection device A2. The first conversion device A4 is provided with a Y-axis first rail seat A41. The first rail seat A41 There is a loading rail A43 that provides an X-axis conveying flow path A42. The loading rail A43 can be driven by the first rail base A41 and selectively displaced on the first rail base A41. Selectively correspond to one of the plurality of conveyor lanes A11 on the conveyor device A1, and accept the conveyed object K conveyed by the corresponding conveyor lane A11; or perform selective displacement to selectively correspond to the inspection device A2. One of the plurality of inspection rails A22 is used, and the transported object K is transferred to the corresponding inspection rail A22.

A second conversion device A5 is provided on the X-axis flow path between the inspection device A2 and the collection device A3. The second conversion device A5 is provided with a Y-axis second rail seat A51. The second rail base A51 is provided with a movable rail frame A53 that provides an X-axis conveying flow path A52. The movable rail frame A53 can be driven by the second rail base A51 and selectively operate on the second rail base A51. The displacement is selectively corresponding to one of the plurality of inspection rails A22 on the inspection device A2, and the transported object K is transferred by the corresponding inspection rail A22; or the selective displacement is selectively corresponding to the collection device. One of the plurality of frame boxes A31 is mounted on A3, and the transported object K is transferred to the corresponding frame box A31.

Please refer to Figure 2. Each conveyor lane A11 of the conveyor A1 in the embodiment of the present invention is composed of a plurality of rollers A12 in the Y-axis direction that are spaced apart and parallel to the X-axis direction on the horizontal conveying surface. The roller A12 is driven by a driving member A121 composed of a motor and is linked by a belt A122 to rotate synchronously in the same direction. It is used to receive the conveyed materials input through the conveyor belt L of the washing machine after the ball planting and baking in the previous process. Material K; each conveyor channel A11 is respectively provided with a detector A131 at the material inlet A13 to detect the material inlet status; each conveyor channel A11 is respectively provided with a detector composed of a pneumatic cylinder at the outlet A14. The driving member A141 drives the gate A142 that moves up and down for blocking or opening control. The outlet A14 is provided with a guide member A143 that has a downward slope toward the outlet A14, so that there may be arcs. The front end of the transported object K can be guided downward and blocked by the gate A142 to prevent the front end from protruding from the gap; a detector A144 is provided at the outlet A14 to detect Material conditions; the plurality of conveyor lanes A11 of the conveyor device A1 are divided into two conveyor lanes A11 as a group, and two adjacent and mutually parallel conveyor lanes A11 of the same group are provided with long strips extending along the conveying direction. A spacer A111.

Please refer to Figure 3. One end of the spacer A111 facing the feed inlet A13 is shorter than the conveyor channel A11, leaving a common area A112 between the spacer A111 and the feed inlet A13 that is connected to the two adjacent conveyor channels A11. In this case, In the embodiment, the common area A112 occupies approximately the width of the two rollers A12; a rotating wheel A113 with a circular cross-section is provided in the common area A112, and the rotating wheel A113 is installed on the common area A114 with a fixing member A114. on the spacer A111 and located at the front end of the spacer A111 distance; a driving member A115 such as a servo motor is provided above the dialing wheel A113, which can drive the dialing wheel A113 to rotate clockwise or counterclockwise with the Z-axis direction perpendicular to the conveying surface of the conveyor channel A11 as the central axis of rotation. , the rotation center axis is located in the middle of the front end of the spacer A111, and the clockwise or counterclockwise rotation of the dial wheel A113 is on the same circular rotating flow path that rotates with the rotation center axis; the bottom of the dial wheel A113 is suspended in the air Above the conveying surface of the conveyor A11, and between two adjacent conveyor lanes A11 in the common area A112; the rotating wheel A113 is embedded with a plurality of equally spaced annular rollers at its nearly circular periphery. Body A116, each roller body A116 is in the shape of a circular shaft with a central axis perpendicular to the conveying surface of the conveyor channel A11. It is composed of flexible rubber material. Each roller body A116 faces the circumference of the dial wheel A113. A roller contact portion A117 is provided on one side slightly protruding from the circumference of the dial wheel A113.

Please refer to Figures 2 and 4. When the object K is conveyed through the inlet A13 and the detector A131 detects the conveyor path A11 located on one side (for example, the right side), the dial A113 will The conveyed object K is driven to rotate counterclockwise according to the conveying information detected by the detector A131. Once the conveyed object K enters the common area A112 and is offset and touches the circumference of the rotating wheel A113, it will be The roller contact portion A117 outside the circumference of the rotating wheel A113 that rotates counterclockwise is moved and swung into the conveyor channel A11 on this side (right side) without blocking the rotating wheel A113 at the front end of the spacer A111. Everywhere is stuck.

Please refer to Figures 2 and 5. When the object K is transported through the inlet A13 and is detected by the detector A131 on the conveyor channel A11 on the other side (for example, the left side), the dial A113 The conveyed object K will be driven to rotate clockwise according to the conveying information detected by the detector A131. Once the conveyed object K enters the common area A112 and is offset and touches the circumference of the rotating wheel A113, it will The roller contact portion A117 outside the circumference of the dialing wheel A113 is rotated clockwise and swings into the conveyor channel A11 on the other side (left side), so as not to block the dialing at the front end of the spacer A111. The runner A113 is stuck.

In the conveying device and the inspection equipment using the conveying device according to the embodiment of the present invention, when two adjacent conveying lanes A11 receive the transported objects K, the detector A131 at the inlet A13 of each conveying lane A11 can detect When conveying information is known, the dial wheel A113 is rotated clockwise or counterclockwise to help guide the conveyed object K into the correct conveyor path A11, thereby avoiding jamming and allowing the subsequent process to proceed smoothly.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. All simple equivalent changes and modifications made based on the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of this invention.

A11: Conveyor Road

A111: Spacer

A112: Common area

A113: Dial wheel

A114: Fixtures

A115:Driving parts

A116:Roller body

A117:Roller contact part

A13: Inlet

Claims (9)

A conveying device includes: two adjacent conveying lanes, each conveying lane is provided with a detector at a material inlet; a rotating wheel is located between the two adjacent conveying lanes and can be used as a Rotate clockwise or counterclockwise; the dial can be driven to rotate clockwise or counterclockwise according to the conveyance information of the transported object detected by the detector. The conveying device as described in claim 1, wherein a spacer is provided between two adjacent conveyor lanes, and one end of the spacer toward the feed inlet is shorter than the conveyor lane, leaving a gap between the two adjacent conveyor lanes. A common area adjacent to the conveyor channel is connected, and the dial wheel is arranged in the common area. As claimed in claim 2, the conveying device is characterized in that the rotating wheel is mounted on the spacer with a fixing member and is located at a distance from the front end of the spacer. The conveying device according to claim 1, wherein a driving member is provided above the dial wheel, which can drive the dial wheel to rotate with the axial direction perpendicular to the conveying surface of the conveyor channel as the central axis of rotation. The conveying device according to claim 1, wherein the bottom of the dial wheel is suspended above the conveying surface of the conveyor lane and is located between two adjacent conveyor lanes in a common area. The conveying device according to claim 1, wherein the rotating wheel is provided with a plurality of rollers arranged in a ring at equal intervals at the nearly circular periphery, and each roller has a circular shape with a central axis perpendicular to the conveying surface of the conveyor. Axis-shaped. Inspection equipment using the conveying device according to any one of claims 1 to 6. The inspection equipment described in claim 7 further includes an inspection device and a collection device; when the objects to be transported are sent into the inspection device, they first pass through the conveyor path in the transport device and then are sent into the inspection unit. The inspection device performs inspection, and after inspection, the conveyed objects are sent to the collection device having a plurality of frames for collection. The inspection equipment of claim 8, further comprising a first conversion device disposed on the flow path between the conveying device and the inspection device, and a second conversion device disposed between the inspection device and the collection device. On the flow path.

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