Needle changing jig
By designing a needle change fixture including tail compartment, pen holder, rotor and steering gear, the problem of fine and low manual operation when replacing sockets to test the needle in the prior art is solved, and the efficiency and accuracy of the needle is achieved. Replace, reducing the occurrence of losses.
Patent Information
- Application Number
- CN202323471784.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-19
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-19
AI Technical Summary
In the prior art, when replacing the socket to test the guide needle, it is necessary to manually clamp it with tweezers, which is finely operated and can easily lead to loss of the guide needle, and the traditional method is inefficient.
A needle change fixture is designed, including tail compartment, pen holder, rotor, pen tip, steering gear and baffle, which is transmitted in the pen holder by shaking the needle, and the rotor and steering gear are used to ensure the accuracy of the single guide needle. Enter the pen tip and finally use the baffle to ensure that the needle guide tip is placed in the target position facing down.
It improves the efficiency of replacing the guide needle, reduces the occurrence of loss of the guide needle being clipped away, is easy to operate, and avoids confusion between multiple guide needles, ensuring the accurate drop of the guide needle.
Smart Images
Figure CN222145197U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of socket interface testing, in particular to a needle changing fixture. Background Art
[0002] The test socket interface requires the use of guide pins, which pass through the conductive interface between the test board and the test product, and transmit signals and currents from the test board to the test product through different conductive media, so as to perform program settings and execute tests. The guide pins of the socket interface have a limited life span and need to be replaced when their life span expires or the test result is poor.
[0003] The current replacement method is to manually use tweezers to pick up the needle body for replacement. Since the test guide needle is small in size and extremely thin in diameter, and it is necessary to ensure that the head of the guide needle is inserted into the socket interface, this traditional method relies on the proficiency of the employee, and the hand-gripping operation requires extreme precision, and the guide needle is easily pinched and flew away, causing damage. Utility Model Content
[0004] The utility model aims to provide a needle changing jig, which can improve the needle changing efficiency and reduce the loss caused by the guide needle being clamped and flying away.
[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides a needle changing fixture, including a tail cabin, a pen holder, a rotating wheel, a pen head, a diverter, and a baffle;
[0006] The tail cabin is connected to the feeding end of the pen holder;
[0007] The feed end of the pen barrel is provided with a pen barrel feed hole, the discharge end of the pen barrel is provided with a pen barrel discharge hole, a pen barrel needle threading tube is provided in the pen barrel, and the pen barrel discharge hole and the pen barrel feed hole are connected through the pen barrel needle threading tube; the discharge end of the pen barrel is provided with a connecting shaft and a ratchet; a side of the discharge end of the pen barrel is provided with a yielding platform;
[0008] The feeding end of the pen tip is provided with a connecting plate, and the rotating wheel is provided between the connecting plate and the discharging end of the pen barrel;
[0009] The outer ring of the rotating wheel is provided with a plurality of needle threading grooves, the rotating wheel is coaxially provided with a one-way ratchet, the rotating wheel is connected to the discharge end of the pen holder through the connecting shaft, and the ratchet pawl is meshed with the one-way ratchet;
[0010] The connecting plate is provided with a pen tip feeding hole, and the pen tip feeding hole is coaxially arranged with the pen holder discharge hole;
[0011] A pen tip needle threading tube is provided in the pen tip, the pen tip needle threading tube is communicated with the pen tip feeding hole, a needle outlet tube is provided at the discharge end of the pen tip, and the pen tip needle threading tube and the needle outlet tube are coaxially arranged; an operation window is provided on the side wall of the pen tip, and the diverter and the baffle are both located in the operation window;
[0012] The steering device comprises a connecting shell, a rotating disk, and a steering tube; both ends of the connecting shell are provided with connecting grooves, and the two ends of the connecting shell are respectively connected between the pen tip needle tube and the needle outlet tube through the corresponding connecting grooves;
[0013] The rotating disk is located in the connecting shell, and the steering tube is located in the rotating disk;
[0014] The pen tip is provided with a connecting hole and a spring, the baffle passes through the connecting hole and the operating window and is connected to the pen tip via the spring, the baffle is located between the diverter and the needle outlet tube, and the baffle is provided with a needle threading hole.
[0015] Preferably, the tail cabin is provided with a connecting platform, and the tail cabin is clamped at the feeding end of the pen holder through the connecting platform.
[0016] Preferably, the top edge of the feed hole of the pen barrel has a rounded corner.
[0017] As a further improvement of the utility model, a slot is provided at the discharge end of the pen holder, and a buckle is provided at the connecting plate, and the buckle is clamped in the slot.
[0018] Furthermore, a fixed ring is extended outwardly from the edge of the discharge end of the pen barrel, and the rotating wheel is located inside the fixed ring.
[0019] As a further improvement of the utility model, the turntable is provided with a protruding adjustment block.
[0020] As a further improvement of the utility model, the tail cabin, the pen holder, the pen head, and the diverter are all made of transparent materials.
[0021] The utility model discloses a needle changing jig, in which several guide needles are loaded in the tail compartment. When the socket test guide needle needs to be replaced, the whole jig is shaken to make the guide needle in the tail compartment shake, and a single guide needle enters the pen barrel from the pen barrel feeding hole, and is transmitted to the pen barrel discharging hole through the pen barrel needle threading tube, and is then blocked by the rotating wheel; the operator manually rotates the rotating wheel exposed to the outside through the yielding platform, and the rotating wheel rotates unidirectionally until one of the needle threading grooves is connected with the pen head feeding hole, so that the guide needle smoothly falls from the needle threading groove to the pen head feeding hole hole; the guide needle enters the nib along the nib feed hole, slides along the nib needle tube into the diverter, observe whether the head of the guide needle in the diverter tube is facing the discharge end of the nib, if the direction is correct, align the tube mouth of the needle outlet tube with the needle mouth of the socket, and press the baffle; if the direction is wrong, turn the turntable 180° to adjust the direction of the guide needle; after confirming that the head of the guide needle is facing downward, the needle hole of the baffle is connected with the needle outlet tube, the guide needle passes through the needle hole and slides out of the nib along the needle outlet tube, and the guide needle is successfully placed in the target position.
[0022] Compared with the prior art, the needle changing fixture of the utility model has the following advantages:
[0023] (1) Instead of the traditional method of manually using tweezers to clamp the needle, a single guide needle is transmitted from the tail compartment, the pen barrel to the pen tip in sequence, avoiding the phenomenon of tweezers flying needles and easy to operate;
[0024] (2) The tail compartment can store more guide needles, and only one guide needle can be inserted into the pen barrel at a time to avoid needle jam;
[0025] (3) The rotating wheel can further ensure that only one guide needle enters the pen tip at a time, thus avoiding multiple guide needles entering at a time, which would cause confusion in needle replacement;
[0026] (4) The coordination of the deflector and the baffle can ensure that the guide needle head of the pen tip is always facing downward, making it easy for the guide needle to accurately fall to the target position. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 This is a schematic diagram of the structure of a needle changing fixture of the utility model;
[0028] Figure 2 This is a cross-sectional view of a needle changing jig of the utility model;
[0029] Figure 3 This is a schematic diagram of the tail cabin structure;
[0030] Figure 4 This is a schematic diagram of the structure of the discharge end of the pen holder;
[0031] Figure 5 It is a schematic diagram of the structure of the feeding end of the pen holder;
[0032] Figure 6 Schematic diagram of the runner and connection structure;
[0033] Figure 7 It is a schematic diagram of the pen head structure;
[0034] Figure 8 is a schematic diagram of the baffle connection structure;
[0035] Fig. 9 It is a schematic diagram of the steering gear structure;
[0036] Fig.10 This is a schematic diagram of the baffle pressing state;
[0037] Fig.11 Schematic diagram of the initial state of the baffle. DETAILED DESCRIPTION
[0038] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.
[0039] like Figure 1-2 As shown, a needle changing fixture of the utility model comprises a tail compartment 1, a pen holder 2, a rotating wheel 3, a pen head 4, a diverter 5, and a baffle 6;
[0040] The tail compartment 1 is connected to the feeding end of the pen holder 2; Figure 3 As shown, the tail cabin 1 is provided with a connecting platform 11, and the tail cabin 1 is clamped at the feeding end of the pen holder 2 through the connecting platform 11, so as to facilitate the disassembly and assembly of the tail cabin 1 and timely fill the guide needle in the tail cabin 1.
[0041] like Figure 5 As shown, the feed end of the pen barrel 2 is provided with a pen barrel feed hole 21, and a single guide needle in the tail compartment 1 enters the pen barrel 2 from the pen barrel feed hole 21. The top edge of the pen barrel feed hole 21 has a rounded corner, so that the diameter of the pen barrel feed hole 21 is slightly larger than the diameter of the guide needle, ensuring that only a single needle is fed each time. If the diameter of the pen barrel feed hole 21 is too large, it will cause several guide needles in the tail compartment 1 to enter the pen barrel feed hole 21 at the same time, affecting the normal needle replacement; when changing needles, the operator manually shakes it so that the guide needle enters the pen barrel 2 along the pen barrel feed hole 21. If the diameter of the pen barrel feed hole 21 is too small, it will cause the guide needle to get stuck in the hole.
[0042] like Figure 4 As shown, a discharge hole 22 is provided at the discharge end of the pen barrel 2, a pen barrel needle tube 23 is provided inside the pen barrel 2, and the discharge hole 22 is connected to the feed hole 21 of the pen barrel through the pen barrel needle tube 23; a connecting shaft 26 and a ratchet 27 are provided at the discharge end of the pen barrel 2; and a yielding platform 28 is provided at one side of the discharge end of the pen barrel 2;
[0043] The feed end of the pen tip 4 is provided with a connecting plate 44, such as Figure 6 As shown, a rotating wheel 3 is provided between the connecting plate 44 and the discharge end of the pen holder 2;
[0044] The outer ring of the rotating wheel 3 is provided with a plurality of needle threading grooves 32, and the rotating wheel 3 is coaxially provided with a one-way ratchet 31. The rotating wheel 3 is connected to the discharge end of the pen holder 2 through the connecting shaft 26, and the ratchet 27 is meshed with the one-way ratchet 31;
[0045] The connecting plate 44 is provided with a nib feeding hole 411, and the nib feeding hole 411 is coaxially arranged with the pen barrel discharge hole 22; the guide needle passing through the pen barrel discharge hole 22 is blocked by the rotating wheel 3, and a part of the rotating wheel 3 is exposed to the outside through the yielding platform 28, so that the operator can manually rotate the exposed rotating wheel 3, and the one-way ratchet 31 rotates synchronously. The meshing mode of the one-way ratchet 31 and the pawl 27 enables the rotating wheel 3 to always maintain unidirectional rotation. When a needle threading slot 32 is connected with the nib feeding hole 411, the guide needle is transmitted from the needle threading slot 32 to the nib feeding hole 411 and enters the nib 4.
[0046] A rotating wheel 3 that can only rotate in one direction is arranged between the pen tip 4 and the pen barrel 2. The width of each needle threading groove 32 of the rotating wheel 3 is slightly larger than the diameter of the guide needle, so that when the rotating wheel 3 rotates once, it is further ensured that only a single guide needle can enter the pen tip 4 at a time, thereby preventing multiple guide needles from entering the pen barrel 2 when the jig is manually shaken, causing the guide needle to be stuck in the pen tip 4.
[0047] The discharge end of the pen barrel 2 is provided with a card slot 25, and the connecting plate 44 is provided with a card buckle 47, which is clamped in the card slot 25. The pen barrel 2 and the pen head 4 are separately connected by the card buckle 47. According to the guide needles of different sizes, the rotating wheel 3 with the needle threading groove 32 of different sizes can be replaced to improve the applicability of needle replacement.
[0048] A fixed ring 24 extends outward from the edge of the discharge end of the pen barrel 2, and the rotating wheel 3 is located inside the fixed ring 24. The rotating wheel 3 rotates around the connecting shaft 26, and the fixed ring 24 strengthens the connection strength of the rotating wheel 3 to prevent the pen barrel 2 and the pen head 4, which are separately arranged, from being misaligned after the rotating wheel 3 is rotated for a long time, resulting in a needle jam.
[0049] like Figure 7 As shown, a pen tip needle tube 41 is provided in the pen tip 4, and the pen tip needle tube 41 is connected to the pen tip feed hole 411, and a needle outlet tube 42 is provided at the discharge end of the pen tip 4, and the pen tip needle tube 41 and the needle outlet tube 42 are coaxially arranged; an operating window 45 is provided on the side wall of the pen tip 4, and the diverter 5 and the baffle 6 are both located in the operating window 45;
[0050] like Fig. 9 As shown, the steering device 5 includes a connecting shell 51, a rotating disk 52, and a steering tube 54; both ends of the connecting shell 51 are provided with connecting grooves 55, and the two ends of the connecting shell 51 are respectively connected between the pen tip needle tube 41 and the needle outlet tube 42 through the corresponding connecting grooves 55;
[0051] The turntable 52 is located in the connecting shell 51, and the steering tube 54 is located in the turntable 52; after the guide needle of the pen tip needle tube 41 enters the steering tube 54, the operator observes the head and tail of the guide needle. If the tail of the guide needle in the steering tube 54 is facing downward, the turntable 52 is rotated 180° to turn the guide needle to ensure that the head of the guide needle is facing downward.
[0052] The turntable 52 is provided with a protruding adjustment block 53 , and the turntable 52 is manually rotated by the adjustment block 53 , so as to facilitate the rotation of the turntable 52 embedded in the connecting shell 51 .
[0053] like Figure 8 As shown, the pen tip 4 is provided with a connecting hole 46 and a spring 43, and the baffle 6 passes through the connecting hole 46 and the operating window 45 and is connected to the pen tip 4 through the spring 43, as shown in FIG. Figure 10-11 As shown, the baffle plate 6 is located between the diverter 5 and the needle outlet tube 42, and the baffle plate 6 is provided with a needle threading hole 61. The initial position of the needle threading hole 61 of the baffle plate 6 is located above the tube mouth of the needle outlet tube 42, and plays a needle blocking role. The guide needle located in the diverter 5 is first blocked by the baffle plate 6. After confirming that the head of the guide needle is facing downward, the baffle plate 6 is pressed, and the needle threading hole 61 of the baffle plate 6 is connected with the tube mouth of the needle outlet tube 42. The guide needle slides from the diverter 5 to the needle outlet tube 42, and the baffle plate 6 is released, and the baffle plate 6 is reset under the action of the spring 43.
[0054] The tail compartment 1, pen holder 2, pen tip 4, and diverter 5 in this embodiment are all made of transparent materials, which makes it easy to observe the transmission status of the guide needles in the pen holder 2 and pen tip 4 to avoid needle jams, and also makes it easy to observe and adjust the direction of the guide needles in the diverter 5. It is also possible to intuitively see the remaining amount of the guide needles in the tail compartment 1 and replenish the tail compartment 1 in time.
[0055] The utility model discloses a needle changing fixture. A plurality of guide needles are loaded into a tail compartment 1. When the socket test guide needle needs to be replaced, the entire fixture is shaken to make the guide needle in the tail compartment shake. A single guide needle enters the pen barrel 2 from the pen barrel feed hole 21, and is transmitted to the pen barrel discharge hole 22 through the pen barrel needle threading tube 23, and is then blocked by the rotating wheel 3. The operator manually rotates the rotating wheel 3 exposed to the outside through the yielding platform 28, and the rotating wheel 3 rotates unidirectionally until one of the needle threading grooves 32 is connected with the pen tip feed hole 411, so that the guide needle smoothly falls from the needle threading groove 32 to the pen tip feed hole 411. 1; the guide needle enters the nib 4 along the nib feeding hole 411, slides along the nib needle tube 41 to the diverter 5, observe whether the head of the guide needle in the diverter tube 54 is facing the discharge end of the nib 4, if the direction is correct, align the tube mouth of the needle outlet tube 42 with the needle mouth of the socket, and press the baffle 6; if the direction is wrong, rotate the turntable 52 180° to adjust the direction of the guide needle; after confirming that the head of the guide needle is facing downward, the needle hole 61 of the baffle 6 is connected with the needle outlet tube 42, the guide needle passes through the needle hole 61 and slides out of the nib 4 along the needle outlet tube 42, and the guide needle is successfully placed in the target position.
[0056] The preferred embodiments of the present invention have been specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all within the scope defined by the claims of this application.
Claims
1. A needle changing jig, characterized in that: Including tail compartment, pen holder, rotating wheel, pen head, steering gear, and baffle; The tail cabin is connected to the feeding end of the pen holder; The feed end of the pen barrel is provided with a pen barrel feed hole, the discharge end of the pen barrel is provided with a pen barrel discharge hole, a pen barrel needle threading tube is provided in the pen barrel, and the pen barrel discharge hole and the pen barrel feed hole are connected through the pen barrel needle threading tube; the discharge end of the pen barrel is provided with a connecting shaft and a ratchet; a side of the discharge end of the pen barrel is provided with a yielding platform; The feeding end of the pen tip is provided with a connecting plate, and the rotating wheel is provided between the connecting plate and the discharging end of the pen barrel; The outer ring of the rotating wheel is provided with a plurality of needle threading grooves, the rotating wheel is coaxially provided with a one-way ratchet, the rotating wheel is connected to the discharge end of the pen holder through the connecting shaft, and the ratchet pawl is meshed with the one-way ratchet; The connecting plate is provided with a pen tip feeding hole, and the pen tip feeding hole is coaxially arranged with the pen holder discharge hole; A pen tip needle threading tube is provided in the pen tip, the pen tip needle threading tube is communicated with the pen tip feeding hole, a needle outlet tube is provided at the discharge end of the pen tip, and the pen tip needle threading tube and the needle outlet tube are coaxially arranged; an operation window is provided on the side wall of the pen tip, and the diverter and the baffle are both located in the operation window; The steering device comprises a connecting shell, a rotating disk, and a steering tube; both ends of the connecting shell are provided with connecting grooves, and the two ends of the connecting shell are respectively connected between the pen tip needle tube and the needle outlet tube through the corresponding connecting grooves; The rotating disk is located in the connecting shell, and the steering tube is located in the rotating disk; The pen tip is provided with a connecting hole and a spring, the baffle passes through the connecting hole and the operating window and is connected to the pen tip via the spring, the baffle is located between the diverter and the needle outlet tube, and the baffle is provided with a needle threading hole.
2. A needle changing jig according to claim 1, characterized in that: The tail cabin is provided with a connecting platform, and the tail cabin is clamped at the feeding end of the pen holder through the connecting platform.
3. A needle changing jig according to claim 1, characterized in that: The top edge of the pen barrel feeding hole has a rounded corner.
4. A needle changing jig according to claim 1, characterized in that: The discharge end of the pen holder is provided with a card slot, and the connecting plate is provided with a buckle, and the buckle is clamped in the card slot.
5. A needle changing jig as claimed in claim 4, characterized in that: A fixed ring is extended outwardly from the edge of the discharge end of the pen barrel, and the rotating wheel is located inside the fixed ring.
6. The needle changing jig according to claim 1, characterized in that: The rotating disk is provided with a protruding adjusting block.
7. The needle changing jig according to claim 1, characterized in that: The tail compartment, the pen holder, the pen head, and the diverter are all made of transparent materials.