Automatic needle mounting equipment applied to test fixture
Through the design of automated needle-assembling equipment, the problem of manual operation instability in the assembly process of chip test fixture probes was solved, standardized assembly and efficient production of probes were achieved, and quality and efficiency were improved.
Patent Information
- Application Number
- CN202422785197.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-15
AI Technical Summary
In the existing technology, the probe assembly process of the chip test fixture relies on manual operation, which leads to damage to the probe coating, unstable operation efficiency, and difficulty for new employees to reach proficiency, affecting business needs.
An automated needle assembly equipment was designed, including probe feeding, detection, transportation and transfer devices. A CCD camera and a negative pressure suction nozzle were used to accurately detect and transfer the probes. The workstations were switched by a rotary drive platform to achieve standardized assembly of the probes.
It improves the efficiency and quality stability of probe assembly, reduces the risk of probe damage, frees up manpower, and ensures the stability of business needs.
Smart Images
Figure CN223450021U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of assembling devices, and particularly relates to an automatic needle assembling equipment applied to a test fixture. BACKGROUND
[0002] In a chip test fixture, two basic units are contained, one is a test seat plate (PIN BLOCK, a needle mold base), and the other is a test spring needle. Please refer to Figures 1 to 3 Now, test interface socket manufacturers manually use tweezers to clamp test probes and insert them into the retainer pin hole of the fixture PIN BLOCK. In this process, the level difference of personnel using tweezers is caused, and the probe plating layer is easily damaged in the clamping process. In severe cases, the probe is clamped. The large flow of manual employment also causes the lack of experienced and inexperienced workers, and it is not easy for new employees to achieve good operation proficiency. A series of problems cause the unit hour efficiency of the operation of the test probe to be uneven, and it is difficult to guarantee the business demand. CONTENT OF THE UTILITY MODEL
[0003] The utility model mainly aims at the above problems, and provides an automatic needle assembling equipment applied to a test fixture, which aims to solve the technical problems in the background art.
[0004] To achieve the above purpose, the utility model provides an automatic needle assembling equipment applied to a test fixture, which comprises:
[0005] A probe feeding device is arranged, and the probe feeding device is used for providing probes to be assembled in an orderly arrangement;
[0006] A first detection device is arranged, and the first detection device is used for detecting the probes to be assembled;
[0007] A first material conveying device is arranged, and the first material conveying device is used for conveying the probes fed by the probe feeding device to a detection station of the first detection device;
[0008] A transfer device is arranged, and the transfer device comprises a rotary driving platform, a first material placing tool and a second material placing tool arranged on the rotary driving platform, the first material placing tool and the second material placing tool are each provided with a placing groove corresponding to the probe; the rotary driving platform is used for driving the first material placing tool and the second material placing tool to rotate and move between a receiving station and a feeding station; and the first material conveying device is further used for conveying the probes in the detection station to the receiving station;
[0009] A second material conveying device is arranged, and the second material conveying device is used for conveying the probes, which are detected in the first material placing tool or the second material placing tool, to the feeding station and inserting the probes into the pin hole of the needle mold base.
[0010] Further, the first detection device comprises a first CCD camera and a positioning frame arranged at a collecting end of the first CCD camera, wherein the positioning frame is provided with a positioning groove for the probe to extend into.
[0011] Further, the first material conveying device comprises a gantry linear module, a positioning linear module arranged at a power output end of the gantry linear module, a first lifting device arranged at a power output end of the positioning linear module, and a first negative pressure suction nozzle arranged at a power output end of the first lifting device; the gantry linear module and the positioning linear module are driven to move in perpendicular directions.
[0012] Further, the first material placing tool and the second material placing tool each comprise a driving motor and an adjusting seat arranged at a power output shaft of the driving motor; and the placing groove is arranged at the adjusting seat.
[0013] Further, the second detection device is arranged between the transfer device and the needle mold base; the second detection device comprises two groups of CCD cameras, which are respectively used for detecting two ends of the probe.
[0014] Further, the probe feeding device is a flexible feeding disc.
[0015] Further, the displacement linear module is arranged, and a connecting seat for clamping the needle mold base is arranged at a power output end of the displacement linear module; and the displacement linear module and the positioning linear module are driven to move in parallel directions.
[0016] Further, the third detection device is arranged, and is used for detecting the positioning degree of the probe inserted into the needle hole of the needle mold base.
[0017] Further, the second material conveying device comprises a second lifting device arranged on the gantry linear module and a second negative pressure suction nozzle arranged at a power output end of the second lifting device.
[0018] Further, one of the CCD cameras of the second detection device is arranged on the second material conveying device.
[0019] Compared with the prior art, the automatic needle loading equipment applied to the test fixture can rotate the transfer device to switch the workstations of the first material placing tool and the second material placing tool, so that one of the material placing tools can be used for waiting for the good probe to be transferred to the material receiving workstation, and the other can be used for being transferred to the needle hole of the needle mold base by the second material conveying device, thereby saving time and improving productivity. Through the automatic needle loading equipment applied to the test fixture, the mechanical automatic equipment can realize the standardization and consistency of the probe detection operation and the insertion into the needle hole of the needle mold base, thereby ensuring the quality stability and business demand. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of using tweezers to install or remove the probe from the needle mold base in the prior art.
[0021] Figure 2 This is a schematic diagram of using tweezers to clamp a probe in the prior art.
[0022] Figure 3 Schematic diagram of probe damage.
[0023] Figure 4 This is a top view of an automated needle-loading device used in a test fixture in this application.
[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of an automated needle-loading device used in a test fixture in this application.
[0025] Figure 6 This is a partial schematic diagram of an automated needle-loading device used in a test fixture in the present application.
[0026] Figure 7 This is a partial schematic diagram of an automated needle-loading device used in a test fixture according to the present application.
[0027] Figure 8 This is a structural schematic diagram of a transfer device for an automated needle loading device used in a test fixture in this application.
[0028] Figure 9 This is a partial schematic diagram of an automated needle-loading device used in a test fixture in the present application.
[0029] Figure 10 This is a partial schematic diagram of an automated needle-loading device used in a test fixture in the present application.
[0030] The reference numerals shown in the figure are: 1. probe feeding device; 2. first detection device; 210. first CCD camera; 220. alignment frame; 221. alignment slot; 3. first material transporting device; 310. gantry linear module; 320. adjustment linear module; 330. first lifting device; 340. first negative pressure suction nozzle; 4. transfer device; 410. rotary drive platform; 420. first material placement tooling; 425. drive motor; 426. adjustment seat; 4261. placement slot; 430. second material placement tooling; 5. second material transporting device; 510. second lifting device; 520. second negative pressure suction nozzle; 6. second detection device; 610. upper CCD camera; 620. lower CCD camera; 7. shift linear module; 710. connecting seat; 8. third detection device. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application. It can be understood that the drawings are only provided for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.
[0032] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component, or a middle component can exist at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present application belongs. It should also be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application.
[0033] It should also be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0034] Please refer to Figure 4 Figure 10 The embodiment provides an automatic needle mounting equipment applied to a test fixture, which comprises:
[0035] A probe supply device 1 is used to provide orderly arranged probes to be assembled;
[0036] A first detection device 2 is used to detect the probes to be assembled;
[0037] The first material conveying device 3 is used to move the probe supplied by the probe supply device 1 to the detection station of the first detection device 2.
[0038] The transfer device 4 comprises a rotating driving platform 410, a first material placing tool 420 and a second material placing tool 430 arranged on the rotating driving platform 410, and the first material placing tool 420 and the second material placing tool 430 are both provided with a placing groove 4261 corresponding to the probe; the rotating driving platform 410 is used to drive the first material placing tool 420 and the second material placing tool 430 to rotate and move between the receiving station and the feeding station; and the first material conveying device 3 is further used to send the probe in the detection station to the receiving station.
[0039] The second material conveying device 5 is used to move the probe in the first material placing tool 420 or the second material placing tool 430, which has been detected, to the feeding station and insert the probe into the pin hole of the pin matrix.
[0040] In some embodiments, the first detection device 2 is used to detect the orientation of the probe, because when a large number of probes to be assembled are manually or automatically fed into the hopper of the probe supply device 1, the orientation of each probe is not adjusted to be uniform.
[0041] Since the detection of the probe by the first detection device 2 takes some time, in order to improve the assembly efficiency, the transfer device 4 is provided with the first material placing tool 420 and the second material placing tool 430, and the rotating driving platform 410 is used to rotate and switch the station, so that one material placing tool for the probe detected can be moved to the receiving station, and the other material placing tool can be moved by the second material conveying device 5 to be inserted into the pin hole of the pin matrix, thereby saving time and improving productivity.
[0042] Through the automatic needle assembly device applied to the test fixture, the mechanical automatic device can realize the standardization and consistency of the probe detection operation and the insertion into the pin hole of the pin matrix to complete the assembly after pre-adjustment, thereby stabilizing the quality and guaranteeing the business demand.
[0043] Please refer to Figure 4 - Figure 7 The first detection device 2 comprises a first CCD camera 210 and a positioning frame 220 arranged at the collection end of the first CCD camera 210, and the positioning frame 220 is provided with a positioning through groove 221 into which the probe can be inserted.
[0044] The first material conveying device 3 moves the probe supplied by the probe supply device 1 into the positioning through groove 221, and the distance between the lens of the first CCD camera 210 and the probe is predetermined, i.e., the probe can reach the detection station.
[0045] The first CCD camera 210 collects images by vision, which are analyzed and judged by the host computer, so as to know which end of the needle tip is at the end closer to the lens of the first CCD camera 210.
[0046] Please refer to Figure 4 - Figure 6 The first material conveying device 3 comprises a gantry type linear module 310, a positioning linear module 320 arranged at the power output end of the gantry type linear module 310, a first lifting device 330 arranged at the power output end of the positioning linear module 320, and a first negative pressure suction nozzle 340 arranged at the power output end of the first lifting device 330. The gantry type linear module 310 and the positioning linear module 320 are driven to move in directions perpendicular to each other.
[0047] The gantry type linear module 310 can set the positioning linear module 320 at a certain height, so as to facilitate the first lifting device 330 and the first negative pressure suction nozzle 340 to suck and hold the probe conveying through the probe supply device 1 and the transfer device 4. By selecting the device for holding the probe as the negative pressure suction nozzle, compared with other material taking and placing devices, the probe can be more protected from damage.
[0048] Please refer to Figure 8 The first material placing tool 420 and the second material placing tool 430 each comprise a driving motor 425 and an adjusting seat 426 arranged at the power output shaft of the driving motor 425. The placing groove 4261 is arranged at the adjusting seat 426.
[0049] The driving motor 425 is used to drive the adjusting seat 426 to rotate, so as to adjust the direction of the probe in the placing groove 4261.
[0050] Preferably, the driving motor 425 is a servo motor, which is convenient for control and accurate in rotation angle.
[0051] The transfer device 4 further comprises a sensor for detecting whether the probe is driven and adjusted to the position by the driving motor 425, and a sensor for detecting whether the rotating driving platform 410 drives the first material placing tool 420 and the second material placing tool 430 to respectively reach the material receiving station and the material feeding station.
[0052] Please refer to Figure 4 and Figure 5 、 Figure 9 and Figure 10 The second detection device 6 is arranged between the transfer device 4 and the needle mold base. The second detection device 6 comprises two groups of CCD cameras, which are respectively used for detecting the two ends of the probe.
[0053] The two groups of CCD cameras can be arranged as an upper CCD camera 610 and a lower CCD camera 620.
[0054] Please refer to Figure 6 , the probe feeding device 1 is a flexible feeding tray.
[0055] The flexible feeding tray includes a flexible vibrating tray body, including a visual camera assisting the first material conveying device 3 to suck the probe in the tray accurately. By selecting the flexible feeding tray, it has the advantage of strong universality, suitable for testing probes with a pitch of 0.1mm or more; and the flexible feeding tray is low in noise and wear, the probe has no circulating vibration, no wear on the probe, low noise, and no risk of material jamming. The accompanying visual camera is accurate in positioning, and the first material conveying device 3 can be accurately positioned and sucked.
[0056] Please refer to Figure 4 and Figure 5 , Figure 10 , including a displacement linear module 7, the power output end of the displacement linear module 7 is provided with a connecting seat 710 for clamping the needle mold base; and the displacement linear module 7 and the displacement linear module 320 driven moving output direction are parallel.
[0057] The displacement linear module 7 can adjust the position of the needle mold base and the connecting seat 710 in one direction, because the plurality of needle holes on the needle mold base have different positions, after one needle hole is loaded with a probe, the next probe needs to be loaded into the needle hole without loading the probe, and the position needs to be adjusted in cooperation with the second material conveying device 5 to facilitate material receiving.
[0058] The connecting seat 710 is provided with a plurality of parallel guide rails, a plurality of sliding blocks are slidably connected on the guide rails, screws are provided on the sliding blocks, the connecting seat 710 also has a fixed baffle surrounding the side wall of the needle mold base, the side wall of the needle mold base is surrounded by the sliding block and the baffle, and then the screw is tightened to keep the sliding block from sliding relative to the guide rail, so that the needle mold base can be fixed.
[0059] Please refer to Figure 4 and Figure 5 , Figure 9 and Figure 10 , including a third detection device 8, the third detection device 8 is used for detecting the alignment of the probe inserted into the needle hole of the needle mold base.
[0060] In some embodiments, the third detection device 8 is a visual camera; the third detection device 8 is provided on the side of the connecting seat 710 through a support which can adjust the position.
[0061] Please refer to Figure 1 and Figure 3 , the second material conveying device 5 includes a second lifting device 510 mounted on the gantry type linear module 310, and a second negative pressure suction nozzle 520 provided on the power output end of the second lifting device 510.
[0062] The second material conveying device 5 shares the gantry type linear module 310 with the first material conveying device 3, which is ingenious in design and saves cost.
[0063] Please refer to Figure 10 One of the CCD cameras of the second detection device 6 is installed on the second material conveying device 5.
[0064] Specifically, the upper CCD camera 610 of the second detection device 6 is installed on the second lifting device 510, which is reasonable in layout and avoids occupying additional space for the layout of the second detection device 6.
[0065] The application relates to an automatic needle mounting device for a test fixture, and aims at the universal pain points encountered in the current industry. According to years of industry experience, an automatic test probe mounting assembly production line is designed and manufactured. Starting from the test probe receiving bin, a CCD camera checks the appearance of each test probe, and assembles the test probe into the retainer pin hole of the test fixture PIN BLOCK. A CCD camera also takes pictures to ensure that each probe loaded is a good product meeting the quality standard. The device liberates workers' hands, reduces labor intensity, realizes semiconductor test socket assembly automation with the help of the pace of industrial 4.0, and improves assembly quality consistency.
[0066] In the specification and claims of the present application, the words "comprise / comprising" and the words "have / having" and their conjugates, are used to specify the presence of stated features, numbers, steps or components, but do not exclude the presence or addition of one or more other features, numbers, steps, components or combinations thereof.
[0067] Some features of the present application are described in different embodiments for the sake of clarity, but these features can also be combined in a single embodiment. Conversely, some features of the present application are described in a single embodiment for the sake of brevity, but these features can also be described in different embodiments, alone or in any suitable combination.
[0068] The above is only a preferred embodiment of the present application, and does not limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An automatic needle-loading device for a test fixture, characterized in that: include: A probe feeding device, the probe feeding device is used to provide probes to be assembled in an orderly arrangement; a first detection device, wherein the first detection device is used to detect the probe to be assembled; a first material transporting device, the first material transporting device being used to transport the probes fed by the probe feeding device to the inspection station of the first inspection device; The transfer device includes a rotary drive platform, a first material placement tool and a second material placement tool provided on the rotary drive platform, wherein the first material placement tool and the second material placement tool are both provided with placement slots corresponding to the probes; the rotary drive platform is used to drive the first material placement tool and the second material placement tool to rotate and move between the material receiving station and the material loading station; the first material transport device is also used to transport the probe of the detection station to the material receiving station; The second material transporting device is used to transport the probe that has been tested in the first material placing tool or the second material placing tool to be inserted into the needle hole of the needle mold base at the loading workstation.
2. The automatic needle-loading device for a test fixture according to claim 1, characterized in that: The first detection device includes a first CCD camera and an alignment frame arranged at the acquisition end of the first CCD camera. The alignment frame is provided with an alignment slot for accommodating a probe to extend into.
3. The automatic needle-loading device for a test fixture according to claim 1, characterized in that: The first material transporting device includes a gantry-type linear module, a positioning linear module arranged at the power output end of the gantry-type linear module, a first lifting device arranged at the power output end of the positioning linear module, and a first negative pressure suction nozzle arranged at the power output end of the first lifting device; the gantry-type linear module is perpendicular to the driving movement output direction of the positioning linear module.
4. The automatic needle-loading device for a test fixture according to claim 1, characterized in that: The first material placement fixture and the second material placement fixture both include a drive motor and an adjustment seat arranged on the power output shaft of the drive motor; the placement groove is arranged on the adjustment seat.
5. The automatic needle-loading device for a test fixture according to claim 1, characterized in that: It includes a second detection device, which is arranged between the transfer device and the needle mold base; the second detection device includes two groups of CCD cameras, which are respectively used to detect the two ends of the probe.
6. The automatic needle-loading device for a test fixture according to claim 1, characterized in that: The probe feeding device is a flexible loading tray.
7. The automatic needle-loading device for a test fixture according to claim 3, characterized in that: It includes a shifting linear module, the power output end of the shifting linear module is provided with a connecting seat for clamping the needle mold seat; and the shifting linear module and the adjustment linear module are driven and moved in parallel in output direction.
8. The automatic needle-loading device for a test fixture according to claim 1, characterized in that: A third detection device is included, and the third detection device is used to detect the alignment of the probe inserted into the pinhole of the pin mold base.
9. The automatic needle-loading device for a test fixture according to claim 3, characterized in that: The second material transporting device includes a second lifting device installed on the gantry linear module and a second negative pressure suction nozzle provided at the power output end of the second lifting device.
10. The automatic needle-loading device for a test fixture according to claim 5, characterized in that: One group of the CCD cameras of the second detection device is installed on the second material conveying device.