Precision wafer feeding device

Abstract

This utility model discloses a precision sheet handling device, comprising: a connecting base, two pairs of rotating heads, two pairs of electromagnetic vibrating chucks, and a locking mechanism. The rotating heads are fixed to the outside of the connecting base with horizontal arms. The two pairs of electromagnetic vibrating chucks are respectively engaged with the two pairs of horizontal arms. The locking mechanism is installed inside the rotating heads and includes: multiple pairs of slots, multiple pairs of insert rods, and a pair of push plates. The multiple pairs of slots are evenly carved on the upper and lower inner side walls of the connecting base and are located at the rotating heads. The multiple pairs of insert rods slide at the upper and lower ends of the rotating heads and are engaged in the slots. Each pair of insert rods is fixed to a connecting plate inside the rotating heads, and a pair of first springs are fixed between a pair of connecting plates. A pair of control rods are fixed to the side walls of each pair of connecting plates, and a pair of push plates slide on both sides of the rotating heads. Through its structural design, this utility model allows for the adjustment of multiple electromagnetic vibrating chucks according to the size of the precision sheet, thereby ensuring the stability of the gripping process.

Description

Technical Field

[0001] This utility model belongs to the field of gripping device technology, specifically relating to a precision sheet material handling device. Background Technology

[0002] With the development of automated mechanical production, automatic material handling devices are commonly used in the production process to grab materials and move them to the processing station for processing. When handling precision sheets, due to electrostatic adsorption between them, conventional material handling devices cannot ensure that only one sheet is grabbed each time. Therefore, electromagnetic vibrating chucks are usually used to handle precision sheets.

[0003] Current devices that use electromagnetic vibrating chucks to pick up precision sheets typically have multiple electromagnetic vibrating chucks attached to different corners of the precision sheet to pick it up. However, these devices cannot adjust the spacing between the multiple electromagnetic vibrating chucks according to the size of the precision sheet, which affects the gripping effect during picking up.

[0004] Therefore, it is necessary to provide a precision wafer feeding device to address the aforementioned technical problems.

[0005] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to provide a precision sheet picking device that can solve the problem that existing precision sheet picking devices cannot adjust the spacing between multiple electromagnetic vibrating chucks.

[0007] To achieve the above objectives, the technical solution provided by a specific embodiment of this utility model is as follows:

[0008] The precision wafer handling device includes: a connecting seat, two pairs of rotating heads, two pairs of electromagnetic vibrating chucks, and a locking mechanism.

[0009] Two pairs of fixed shafts are fixed inside the connecting seat. The rotating head rotates on each of the two pairs of fixed shafts, and a horizontal arm is fixed outside the connecting seat. Two pairs of electromagnetic vibration suction cups are respectively engaged with the two pairs of horizontal arms. The locking mechanism is installed inside the rotating head and includes: multiple pairs of slots, multiple pairs of insert rods, and a pair of push plates. The multiple pairs of slots are evenly carved on the upper and lower inner side walls of the connecting seat and are located at the rotating head. The multiple pairs of insert rods slide at the upper and lower ends of the rotating head and are engaged in the slots. Connecting plates are fixed inside the multiple pairs of insert rods, and a pair of first springs are fixed between a pair of connecting plates. A pair of control rods are fixed on the side walls of a pair of connecting plates, and a pair of push plates slide on both sides of the rotating head. Two pairs of inclined push rods are fixed on the side of the push plate near the control rods, and the end of the inclined push rod near the control rod is located between the control rod and the inner wall of the rotating head.

[0010] In one embodiment of this utility model, a connector is fixed to the top of the connecting seat, and the device can be connected to the gripping robotic arm through the connector.

[0011] In one embodiment of this utility model, a snap-fit ​​component is attached to the cross arm, and the electromagnetic vibration chuck is threadedly connected to the snap-fit ​​component. The electromagnetic vibration chuck is snapped onto the cross arm via the snap-fit ​​component, and the snap-fit ​​position of the electromagnetic vibration chuck on the cross arm can be adjusted according to the size of the precision sheet.

[0012] In one embodiment of this utility model, the snap-fit ​​component has a threaded head fixed at the bottom of the crossarm, and a nut is threaded onto the threaded head. When the snap-fit ​​component is snapped onto the crossarm, the nut is tightened onto the threaded head, thereby fixing the snap-fit ​​component and preventing it from slipping.

[0013] In one embodiment of this utility model, a pair of retaining rails are fixed on the inner wall of the cross arm, and retaining teeth adapted to the retaining rails are fixed on the retaining member. The retaining member is engaged with the retaining rails by the retaining teeth, thereby achieving mutual engagement with the cross arm.

[0014] In one embodiment of this utility model, ear plates are fixed on both the upper and lower sides of the connecting seat and at both pairs of rotating heads, and the slots are carved into the ear plates. The ear plates serve to provide auxiliary support for the rotating heads.

[0015] In one embodiment of this utility model, a pair of limiting heads are fixed on opposite sides of each pair of connecting plates, and the two ends of a pair of first springs are respectively locked onto the two pairs of limiting heads. The first springs are locked between the pair of connecting plates by being locked onto the limiting heads, and the other two pairs of limiting heads are used to limit the distance the connecting plates move towards each other, preventing excessive movement and misalignment of the insertion rod.

[0016] In one embodiment of this utility model, pulleys are slidably provided on each of the control rods, and the pulleys are used to reduce the sliding friction between the control rods and the inclined push rods.

[0017] In one embodiment of this utility model, the rotating head is provided with a limiting plate fixed between both ends of a pair of push plates and a pair of connecting plates. A second spring is installed between the limiting plate and the push plate. The limiting plate is used to limit the distance that the push plate can move inward. The second spring is used to push the push plate outward when the push plate is not pushed by an external force.

[0018] In one embodiment of this utility model, a pair of limiting grooves are chiseled on the outer surface of the push plate, and a pair of limiting blocks are fixed on the rotating head, with the limiting blocks engaging in the limiting grooves. By engaging the limiting blocks in the limiting grooves, the outward movable position of the push plate is limited, preventing the elastic force of the second spring from pushing the push plate out of the rotating head.

[0019] Compared with the prior art, the precision sheet picking device of this utility model, through relevant structural design, can adjust multiple electromagnetic vibrating chucks according to the size of the precision sheet, thereby ensuring the gripping stability during the gripping process. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a perspective view of a precision sheet feeding device according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the connecting seat in one embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of the rotating head and the cross arm in one embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the locking mechanism in one embodiment of the present invention;

[0025] Figure 5 This is a structural schematic diagram of the locking mechanism from another perspective in one embodiment of the present invention.

[0026] Explanation of key figure labels:

[0027] 1-Connecting seat, 101-Fixed shaft, 102-Ear plate, 103-Connecting head, 104-Rotating head, 105-Horizontal arm, 106-Snap-fit ​​part, 107-Threaded head, 108-Nut, 109-Electromagnetic vibration chuck, 110-Clamping rail, 111-Clamping tooth, 2-Locking mechanism, 201-Clamping groove, 202-Insertion rod, 203-Connecting plate, 204-Limiting head, 205-First spring, 206-Control rod, 207-Pulley, 208-Push plate, 209-Inclined push rod, 210-Limiting plate, 211-Second spring, 212-Limiting groove, 213-Limiting block. Detailed Implementation

[0028] To enable those skilled in the art to better understand the technical solutions in this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this disclosure.

[0029] like Figures 1 to 5 As shown, the precision sheet feeding device in one embodiment of the present invention includes: a connecting seat 1, two pairs of rotating heads 104, two pairs of electromagnetic vibrating chucks 109, and a locking mechanism 2.

[0030] like Figures 1 to 5 As shown, two pairs of fixed shafts 101 are fixed inside the connecting seat 1. A rotating head 104 rotates on each of the two pairs of fixed shafts 101, and a horizontal arm 105 is fixed to the outside of the connecting seat 1. Two pairs of electromagnetic vibration chucks 109 are respectively engaged with the two pairs of horizontal arms 105. A locking mechanism 2 is installed inside the rotating head 104, and the locking mechanism 2 includes: multiple pairs of slots 201, multiple pairs of insert rods 202, and a pair of push plates 208. The multiple pairs of slots 201 are evenly carved on the upper and lower inner sidewalls of the connecting seat 1 and are located at the rotating head 104. The multiple pairs of insert rods 202 slide at both ends of the rotating head 104, and the insert rods 202 are engaged in the slots 201. Connecting plates 203 are fixed to each of the multiple pairs of insert rods 202 inside the rotating head 104, and a pair of first springs 205 are fixed between a pair of connecting plates 203. A pair of control rods 206 are fixed on both sides of a pair of connecting plates 203, and a pair of push plates 208 slide on both sides of the rotating head 104. Two pairs of inclined push rods 209 are fixed on the side of the push plate 208 near the control rods 206, and the end of the inclined push rod 209 near the control rods 206 is located between the control rods 206 and the inner wall of the rotating head 104.

[0031] Before using this device, adjust the spacing between the two pairs of electromagnetic vibrating chucks 109 according to the required length and width of the precision sheet to be clamped. First, adjust the position of the electromagnetic vibrating chucks 109 by rotating the rotating head 104. When rotating the rotating head 104, first press a pair of push plates 208 inward. When the pair of push plates 208 move inward, they drive the inclined push rod 209 to move in the direction of the control rod 206. The inclined push rod 209 pushes the control rod 206, causing multiple pairs of control rods 206 to drive a pair of connecting plates 203 to move towards each other. Each pair of connecting plates 203 drives multiple insert rods 202 on them to move into the rotating head 104, so that the insert rods 202 are removed from the slots 201. Then the rotating head 104 can be rotated. After the rotating head 104 is rotated to a suitable angle, the push plate 208 is released. After being released, a pair of first springs 205 push a pair of connecting plates 203 in opposite directions, so that the connecting plates 203 drive the insert rod 202 on them to be inserted into the slot 201, thereby locking the rotating head 104. Then, the locking position of the electromagnetic vibrating chuck 109 on the cross arm 105 is adjusted. After the positions of the two pairs of electromagnetic vibrating chucks 109 are adjusted, the precision sheet can be picked up by this device.

[0032] The centers of the multiple pairs of slots 201 and the multiple pairs of insert rods 202 are all set on the circumference with the fixed shaft 101 as the axis, so that when the rotating head 104 rotates with the fixed shaft 101 as the axis, the insert rod 202 can always correspond to the position of the slot 201 in the mechanism.

[0033] like Figures 1 to 5 As shown, a connector 103 is fixed to the top of the connecting base 1, through which the device can be connected to the gripping robotic arm. A snap-fit ​​component 106 is snapped onto the horizontal arm 105, and an electromagnetic vibrating chuck 109 is threaded onto the snap-fit ​​component 106. The electromagnetic vibrating chuck 109 is snapped onto the horizontal arm 105 via the snap-fit ​​component 106, and the snap-fit ​​position of the electromagnetic vibrating chuck 109 on the horizontal arm 105 can be adjusted according to the size of the precision plate. A threaded head 107 is fixed to the bottom of the snap-fit ​​component 106, and a nut 108 is threaded onto the threaded head 107. When the snap-fit ​​component 106 is snapped onto the horizontal arm 105, the nut 108 is tightened onto the threaded head 107, thereby fixing the snap-fit ​​component 106 and preventing it from slipping.

[0034] like Figures 1 to 5 As shown, a pair of retaining rails 110 are fixed on the inner wall of the cross arm 105, and retaining teeth 111 that are adapted to the retaining rails 110 are fixed on the retaining member 106. The retaining member 106 is engaged with the retaining rails 110 by the retaining teeth 111, thereby realizing the mutual engagement between the retaining member 106 and the cross arm 105. Ear plates 102 are fixed on both the upper and lower sides of the connecting seat 1 and at both pairs of rotating heads 104, and slots 201 are carved into the ear plates 102. The ear plates 102 are used to provide auxiliary support for the rotating heads 104.

[0035] like Figures 1 to 5 As shown, a pair of limiting heads 204 are fixed on opposite sides of each pair of connecting plates 203, and the two ends of a pair of first springs 205 are respectively locked onto the two pairs of limiting heads 204. The first springs 205 are locked onto the limiting heads 204, thus engaging between the pair of connecting plates 203. The other two pairs of limiting heads 204 are used to limit the distance the connecting plates 203 move towards each other, preventing excessive movement that could cause misalignment of the insertion rod 202. Each control rod 206 is slidably equipped with a pulley 207, which reduces the sliding friction between the control rod 206 and the inclined push rod 209.

[0036] like Figures 1 to 5 As shown, a limiting plate 210 is fixed between both ends of a pair of push plates 208 and a pair of connecting plates 203 inside the rotating head 104. A second spring 211 is installed between the limiting plate 210 and the push plate 208. The limiting plate 210 is used to limit the inward movement distance of the push plate 208, and the second spring 211 is used to push the push plate 208 outward when it is not pushed by an external force. A pair of limiting grooves 212 are carved on the outer surface of the push plate 208, and a pair of limiting blocks 213 are fixed on the rotating head 104. The limiting blocks 213 are engaged in the limiting grooves 212. By the limiting blocks 213 being engaged in the limiting grooves 212, the outward movement position of the push plate 208 is limited, preventing the spring force of the second spring 211 from pushing the push plate 208 out of the rotating head 104.

[0037] Working principle: Before using this device, adjust the distance between the two pairs of electromagnetic vibrating chucks 109 according to the required length and width of the precision plate to be clamped. First, adjust the position of the electromagnetic vibrating chucks 109 by rotating the rotating head 104. When rotating the rotating head 104, a pair of push plates 208 are pressed inward. When the pair of push plates 208 move inward, they drive the inclined push rod 209 to move in the direction of the control rod 206. The inclined push rod 209 pushes the control rod 206, causing multiple pairs of control rods 206 to drive a pair of connecting plates 203 to move towards each other. Each pair of connecting plates 203 drives multiple insert rods 202 on them to move into the rotating head 104, so that the insert rods 202 are removed from the slots 201. Then the rotating head 104 can be rotated.

[0038] Once the rotating head 104 has rotated to the appropriate angle, the push plate 208 can be released. After release, the second spring 211 will push the push plate 208 outward. The push plate 208 will drive the inclined push rod 209 to move away from the control rod 206. Then, a pair of first springs 205 will push a pair of connecting plates 203 in opposite directions, so that the connecting plate 203 will drive the insert rod 202 on it to be inserted into the slot 201, thereby locking the rotating head 104.

[0039] Next, adjust the engagement position of the electromagnetic vibrating chuck 109 on the horizontal arm 105. First, unscrew the nut 108 from the threaded head 107. Then, lift the engaging member 106 upwards. Once the locking teeth 111 have moved away from the locking rail 110, move the engaging member 106 on the horizontal arm 105 until it is in the correct position. Then, move the engaging member 106 downwards so that the locking teeth 111 engage with the locking rail 110. Finally, tighten the nut 108 onto the threaded head 107 to secure the electromagnetic vibrating chuck 109. This device can be connected to a robotic arm via the connector 103.

[0040] After adjusting the positions of both pairs of electromagnetic vibrating chucks 109, the precision sheet can be picked up using this device.

[0041] It will be apparent to those skilled in the art that this disclosure is not limited to the details of the exemplary embodiments described above, and that this disclosure can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of this disclosure is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this disclosure. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A precision sheet taking device, characterized by, include: Connecting seat, wherein two pairs of fixed shafts are fixed inside the connecting seat; Two pairs of rotating heads rotate on two pairs of fixed shafts respectively, and each rotating head is provided with a cross arm fixed outside the connecting seat; Two pairs of electromagnetic vibrating chucks are respectively attached to two pairs of horizontal arms; and A locking mechanism is installed inside the rotating head. The locking mechanism includes: multiple pairs of slots, multiple pairs of insert rods, and a pair of push plates. The multiple pairs of slots are evenly carved on the upper and lower inner side walls of the connecting seat and are located at the rotating head. The multiple pairs of insert rods slide on the upper and lower ends of the rotating head and are engaged in the slots. Each pair of insert rods is fixed with a connecting plate inside the rotating head. A pair of first springs are fixed between a pair of connecting plates. A pair of control rods are fixed on the side walls of each pair of connecting plates. The pair of push plates slide on both sides of the rotating head. Two pairs of inclined push rods are fixed on the side of the push plate near the control rods. The end of the inclined push rod near the control rod is located between the control rod and the inner wall of the rotating head.

2. The precision sheet feeding device according to claim 1, characterized in that, A connector head is fixed to the top of the connector.

3. The precision sheet feeding device according to claim 1, characterized in that, A snap-fit ​​component is attached to the cross arm, and the electromagnetic vibration chuck is threadedly connected to the snap-fit ​​component.

4. The precision wafer handling device according to claim 3, characterized in that, The snap-fit ​​component is fixed with a threaded head at the bottom of the cross arm, and a nut is threaded onto the threaded head.

5. The precision sheet feeding device according to claim 4, characterized in that, A pair of locking rails are fixed on the inner wall of the cross arm, and locking teeth that are adapted to the locking rails are fixed on the locking member.

6. The precision sheet feeding device according to claim 1, characterized in that, The connecting seat has ear plates fixed on both the upper and lower sides and at both pairs of rotating heads, and the slots are carved into the ear plates.

7. The precision sheet feeding device according to claim 1, characterized in that, Each pair of connecting plates has a pair of limiting heads fixed on opposite sides, and the two ends of the first spring are respectively locked onto the two pairs of limiting heads.

8. The precision sheet feeding device according to claim 1, characterized in that, Each control lever is equipped with a sliding pulley.

9. The precision wafer handling device according to claim 1, characterized in that, The rotating head has a limit plate fixed between both ends of a pair of push plates and a pair of connecting plates, and a second spring is installed between the limit plate and the push plate.

10. The precision sheet feeding device according to claim 1, characterized in that, A pair of limiting grooves are cut on the outer side of the push plate, and a pair of limiting blocks are fixed on the rotating head, with the limiting blocks being engaged in the limiting grooves.

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