Transfer positioning clamp for chip production
By designing the transfer positioning fixture for chip production, the combined structure of the outer frame, adjustment groove, positioning mechanism, partition and negative pressure air hood is adopted, which solves the problems of jitter, drop and damage of the traditional chip positioning fixture during the transfer process, achieving higher stability and accuracy.
Patent Information
- Application Number
- CN202420950522.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-30
AI Technical Summary
Traditional chip positioning fixtures are prone to jitter, chip drop or damage during the transfer process.
A transfer positioning fixture for chip production is designed, and a combined structure of an outer frame, adjustment groove, positioning mechanism, partition and negative pressure air exhaust hood is adopted. The precise positioning and stable adsorption of the chip is achieved through the distance adjustment assembly and guide assembly of the positioning mechanism, reducing the risk of jitter and drop.
It effectively improves the stability and accuracy during chip transfer, reduces the possibility of chip damage, and improves the reliability of robotic arm operation.
Smart Images

Figure CN222581134U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of X, in particular to a transfer positioning fixture for chip production. Background Art
[0002] Integrated circuit in English: integrated circuit, abbreviated as IC; also known as microcircuit, microchip, wafer / chip. In electronics, it is a way to miniaturize circuits (mainly semiconductor devices, but also passive components, etc.) and is often manufactured on the surface of semiconductor wafers.
[0003] During the chip processing process, a positioning fixture is needed to position the chip, and then the transfer operation can be achieved in conjunction with a robotic arm. However, most traditional chip positioning fixtures only use clamping operations, and when jitter is encountered during the transfer process, the chip will either fall off or be directly damaged.
[0004] Therefore, this invention proposes a transfer and positioning fixture for chip production to solve the above problems. Utility Model Content
[0005] In order to overcome the defects of the prior art, the utility model aims to provide a transfer positioning fixture for chip production.
[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is implemented as follows: a transfer and positioning fixture for chip production, comprising an outer frame, characterized in that adjustment grooves are provided on the inner sides of the front and rear frames inside the outer frame, a positioning mechanism is installed between the insides of the adjustment grooves on both sides, and a partition and a negative pressure exhaust hood are also provided at the bottom of the outer frame.
[0007] Preferably, the positioning mechanism includes a positioning component, a distance adjustment component and a guide component. The distance adjustment component and the guide component are respectively installed inside the adjustment grooves on both sides. The positioning component has two adjustment ends that are respectively connected to the distance adjustment component and the guide component on both sides.
[0008] Preferably, the positioning assembly comprises a positioning clamp and a positioning gasket, and the positioning gasket is arranged on the inner side of the positioning clamp.
[0009] Preferably, the pitch adjustment component includes a dual-axis reduction motor, a driving screw and a threaded sleeve, the dual-axis reduction motor is installed at the inner center of the adjustment groove on the same side, the driving screw has two driving screws respectively rotatably installed on both sides of the adjustment groove, and the inner ends of the driving screws on both sides are respectively connected to the output ends on both sides of the dual-axis reduction motor, the threaded sleeve has two threaded sleeves respectively on the driving screws on both sides, and the outer sides of the threaded sleeves on both sides are respectively connected to the same side ends of the positioning assemblies on both sides.
[0010] Preferably, the guide assembly includes a guide column and a guide sleeve, the guide column is installed at the inner center of the adjustment groove on the same side, the guide sleeve has two sliding sleeves respectively connected to the two ends of the guide column, and the outer side surfaces of the guide sleeves on both sides are respectively connected to the same side end of the positioning assembly on both sides.
[0011] Preferably, the partition is connected to the bottom of the outer frame, and a plurality of air guide holes are evenly opened on the partition.
[0012] Preferably, the interior of the negative pressure exhaust hood is communicated with the interior of the outer frame, and an exhaust pipe docking port is provided at the bottom center of the negative pressure exhaust hood.
[0013] The beneficial effects of the utility model are embodied in:
[0014] When the utility model is in use, the robot arm places the chip inside the outer frame, and the bottom of the chip is in contact with the surface of the partition. At this time, the distance adjustment component inside the positioning mechanism is started, and then the driving screws on both sides are driven to rotate through the internal dual-axis reduction motor, and then the threaded sleeves on both sides are driven to move toward the center, so as to realize the operation of driving the positioning components on both sides to move synchronously toward the center, until the positioning gaskets on the inner sides of the positioning components on both sides are lightly pressed on both sides of the chip. At this time, the external vacuum component is started to perform vacuum operation on the interface of the vacuum pipe inside the negative pressure vacuum hood. At this time, negative pressure is formed inside the negative pressure vacuum hood, and then the chip on the surface of the partition is negatively adsorbed through multiple air guide holes, and then the transfer operation can be performed.
[0015] The utility model can realize the position adjustment and positioning operations of chips of different models through the internal positioning mechanism, which is more convenient for the subsequent operation of the robot arm to take the chip and effectively improves the working accuracy. At the same time, a negative pressure exhaust hood is also provided inside, which cooperates with the external exhaust component to realize the negative pressure adsorption operation of the chip, which can further improve the stability of the chip transfer process. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In the attached picture:
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the outer frame structure of the utility model;
[0019] Figure 3 It is a structural schematic diagram of the positioning mechanism of the utility model;
[0020] Figure 4 It is a structural schematic diagram of the positioning component of the utility model;
[0021] Figure 5 It is a structural schematic diagram of the distance adjustment component of the utility model;
[0022] Figure 6 It is a structural schematic diagram of the guide assembly of the utility model;
[0023] Figure 7 It is a structural schematic diagram of the partition of the utility model;
[0024] Figure 8 It is a structural schematic diagram of the negative pressure exhaust hood of the utility model;
[0025] Description of reference numerals:
[0026] 1. Outer frame; 2. Positioning mechanism; 3. Partition; 4. Negative pressure exhaust hood; 11. Adjustment slot; 21. Positioning assembly; 22. Distance adjustment assembly; 23. Guide assembly; 211. Positioning clamp; 212. Positioning gasket; 221. Double-axis reduction motor; 222. Driving screw rod; 223. Threaded sleeve; 231. Guide column; 232. Guide sleeve; 31. Air guide hole; 41. Exhaust pipe docking interface. DETAILED DESCRIPTION
[0027] The utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] It should be noted that if the utility model embodiments involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0029] In addition, "multiple" means more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0030] Please refer to the instruction manual Figure 1 and Figure 2 The utility model provides a transfer positioning fixture for chip production, including an outer frame 1, characterized in that adjustment grooves 11 are provided on the inner sides of the front and rear frames inside the outer frame 1, and a positioning mechanism 2 is installed between the insides of the adjustment grooves 11 on both sides, and a partition plate 3 and a negative pressure exhaust hood 4 are also provided at the bottom of the outer frame 1.
[0031] In one embodiment, please continue to refer to the attached manual. Figure 1 , Figure 2 and Figure 3 The positioning mechanism 2 includes a positioning component 21, a distance adjustment component 22 and a guide component 23. The distance adjustment component 22 and the guide component 23 are respectively installed inside the adjustment slots 11 on both sides. The positioning component 21 has two adjustment ends that are respectively connected to the distance adjustment component 22 and the guide component 23 on both sides.
[0032] In another embodiment, please continue to refer to the attached manual. Figure 3 and Figure 4 The positioning assembly 21 includes a positioning clamp plate 211 and a positioning gasket 212 , and the positioning gasket 212 is arranged on the inner side of the positioning clamp plate 211 .
[0033] The positioning pads 212 can prevent the positioning components 21 on both sides from contacting the chip for a moment, thereby preventing the chip from being damaged due to a slightly greater force.
[0034] In one embodiment, please continue to refer to the attached manual. Figure 3 and Figure 5 The pitch adjustment component 22 includes a dual-axis reduction motor 221, a driving screw 222 and a threaded sleeve 223. The dual-axis reduction motor 221 is installed at the inner center of the adjustment slot 11 on the same side. The driving screw 222 has two screws that are rotatably installed on both sides of the adjustment slot 11, and the inner ends of the driving screws 222 on both sides are respectively connected to the output ends of the dual-axis reduction motor 221 on both sides. The threaded sleeve 223 has two screws that are respectively sleeved on the driving screws 222 on both sides, and the outer sides of the threaded sleeves 223 on both sides are respectively connected to the ends on the same side of the positioning components 21 on both sides.
[0035] Among them, the distance adjustment component 22 inside the positioning mechanism 2 is started, and then the driving screws 222 on both sides are driven to rotate through the dual-axis reduction motor 221 inside it, and then the threaded sleeves 223 on both sides are driven to move toward the center, thereby realizing the operation of driving the positioning components 21 on both sides to move synchronously toward the center.
[0036] In another embodiment, please continue to refer to the attached manual. Figure 3 and Figure 6 The guide assembly 23 includes a guide column 231 and a guide sleeve 232. The guide column 231 is installed at the inner center of the adjustment groove 11 on the same side. The guide sleeve 232 has two sliding sleeves respectively connected to the two ends of the guide column 231, and the outer side surfaces of the guide sleeves 232 on both sides are respectively connected to the same side end of the positioning assembly 21 on both sides.
[0037] The guide sleeve 232 is designed to cooperate with the guide column 231 to improve the stability of the positioning components 21 on both sides during the left-right sliding process to prevent deviation.
[0038] In one embodiment, please continue to refer to the attached manual. Figure 1 and Figure 7 The partition plate 3 is connected to the bottom of the outer frame 1 , and a plurality of air guide holes 31 are evenly opened on the partition plate 3 .
[0039] In another embodiment, please continue to refer to the attached manual. Figure 1 and Figure 8 The interior of the negative pressure exhaust hood 4 is communicated with the interior of the outer frame 1 , and an exhaust pipe docking port 41 is provided at the bottom center of the negative pressure exhaust hood 4 .
[0040] When in use, the robot arm places the chip inside the outer frame 1. At this time, the bottom of the chip is attached to the surface of the partition 3. At this time, the distance adjustment component 22 inside the positioning mechanism 2 is started, and then the dual-axis reduction motor 221 inside it drives the driving screws 222 on both sides to rotate, and then drives the threaded sleeves 223 on both sides to move toward the center, so as to realize the operation of driving the positioning components 21 on both sides to move synchronously toward the center, until the positioning gaskets 211 on the inner sides of the positioning components 21 on both sides are slightly pressed on both sides of the chip. At this time, the external vacuum component is started to perform vacuum operation at the vacuum pipe interface 41 inside the negative pressure vacuum hood 4. At this time, negative pressure is formed inside the negative pressure vacuum hood 4, and then the chip on the surface of the partition 3 is negatively adsorbed through multiple air guide holes 31, and then the transfer operation can be performed.
[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0043] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A transfer and positioning fixture for chip production, comprising an outer frame (1), characterized in that: The inner sides of the front and rear frames of the outer frame (1) are both provided with adjustment grooves (11), and a positioning mechanism (2) is installed between the adjustment grooves (11) on both sides. The bottom of the outer frame (1) is also provided with a partition plate (3) and a negative pressure exhaust hood (4); The positioning mechanism (2) comprises a positioning component (21), a distance adjustment component (22) and a guide component (23); the distance adjustment component (22) and the guide component (23) are respectively installed inside the adjustment slots (11) on both sides; the positioning component (21) has two adjustment ends respectively connected to the distance adjustment component (22) and the guide component (23) on both sides; The positioning assembly (21) comprises a positioning clamping plate (211) and a positioning gasket (212), wherein the positioning gasket (212) is arranged on the inner side surface of the positioning clamping plate (211); The pitch adjustment component (22) comprises a double-axis reduction motor (221), a driving screw (222) and a threaded sleeve (223); the double-axis reduction motor (221) is installed at the inner center of the adjustment slot (11) on the same side; the driving screw (222) has two screws which are respectively rotatably installed on the two sides of the adjustment slot (11), and the inner ends of the driving screws (222) on both sides are respectively connected to the output ends of the double-axis reduction motor (221) on both sides; the threaded sleeve (223) has two screw sleeves which are respectively threadedly sleeved on the driving screws (222) on both sides, and the outer sides of the threaded sleeves (223) on both sides are respectively connected to the ends of the positioning components (21) on the same side.
2. A chip production transfer and positioning fixture according to claim 1, characterized in that: The guide assembly (23) comprises a guide column (231) and a guide sleeve (232), wherein the guide column (231) is installed at the inner center of the adjustment groove (11) on the same side, and the guide sleeve (232) has two ends respectively slidably sleeved on the two ends of the guide column (231), and the outer side surfaces of the guide sleeves (232) on both sides are respectively connected to the same side ends of the positioning assemblies (21) on both sides.
3. A chip production transfer and positioning fixture according to claim 1, characterized in that: The partition plate (3) is butt-jointed to the bottom of the outer frame (1), and a plurality of air guide holes (31) are evenly arranged on the partition plate (3).
4. A chip production transfer and positioning fixture according to claim 1, characterized in that: The interior of the negative pressure exhaust hood (4) is in communication with the interior of the outer frame (1), and an exhaust pipe docking port (41) is provided at the bottom center of the negative pressure exhaust hood (4).
Citation Information
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