Crystal oscillator multi-process universal clamp
By designing a universal fixture for crystal oscillators across multiple processes and employing a locking device to secure the crystal carrier and cover plate, the problem of crystal oscillators spilling during process transitions was solved, thus achieving safe crystal oscillator switching.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN XINYIJING TECH CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-06-05
AI Technical Summary
Crystal oscillators are easily spilled and lost during process changes between manufacturing stages.
A universal fixture for crystal oscillators across multiple processes has been designed, comprising a base, a crystal carrier board, a pressure plate, a cover plate, and a locking mechanism. The locking mechanism, consisting of locking devices such as latches, magnets, pull rods or pull plates and locking handles, ensures that the crystal oscillator is securely clamped during the conversion process.
This effectively prevents crystal oscillators from spilling during process transitions, ensuring their safety and integrity.
Smart Images

Figure CN224322995U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to crystal oscillator processing fixtures, and more particularly to a universal fixture for multiple crystal oscillator processes. Background Technology
[0002] Crystal oscillators are typically placed on a carrier board during manufacturing, and hundreds, up to 768, can be placed on the carrier board. The crystal oscillator manufacturing process involves multiple steps, and during the transfer between these steps, crystals on the carrier board may spill out and be lost. Summary of the Invention
[0003] The technical problem to be solved by this utility model is to provide a universal fixture for crystal oscillators that facilitates the conversion of crystal oscillators between manufacturing processes.
[0004] To solve the above-mentioned technical problems, the present invention adopts a universal fixture for multi-process crystal oscillators, comprising a base, a crystal carrier plate, a pressure plate, a frame-shaped cover plate, and a locking mechanism. The processing area in the middle of the crystal carrier plate includes a plurality of bearing holes arranged in a matrix, the bearing holes being adapted to the workpiece to be processed; the frame-shaped base includes bearing holes for the crystal carrier plate, the bearing holes being stepped holes with a larger upper portion and a smaller lower portion, the outer contour of the crystal carrier plate being adapted to the larger hole of the stepped hole, and the periphery of the bottom surface of the crystal carrier plate resting on the steps of the stepped hole; the pressure plate is arranged at the top of the larger hole of the stepped hole, located above the crystal carrier plate, and the pressure plate includes through holes arranged in a matrix corresponding to the bearing holes; the frame-shaped cover plate presses on the top surface of the periphery of the pressure plate; the locking mechanism includes a plurality of locking devices, the locking devices being installed on the frame of the base frame to fasten the base and the cover plate.
[0005] The crystal oscillator multi-process universal fixture described above has a bearing hole that is a stepped through hole with a larger upper part and a smaller lower part. The larger hole of the stepped through hole is a rectangular hole, and each of the two long sides of the rectangular hole includes a clearance groove for the workpiece to be picked up and placed by the chuck.
[0006] The crystal oscillator multi-process universal fixture described above includes a locking device comprising a latch and a magnet. The base mounting frame of the locking device includes an upwardly protruding protrusion and a mounting groove for the latch, with the mounting groove located on the outer side of the protrusion. The latch includes a latch body and two locking pins. The lower part of the latch body is embedded in the mounting groove of the base frame and hinged to the base frame. The direction of the hinge axis between the latch body and the base frame is the long axis direction of the base frame. The two locking pins are located on the upper part of the latch body and extend outward along both sides of the latch body. The axial direction of the two locking pins is parallel to the long axis direction of the base frame. The outer side of the protrusion includes a mounting hole for the magnet, in which the magnet is embedded. The frame of the cover plate includes a clearance groove corresponding to the locking device. When the latch is engaged, the upper part of the protrusion and the latch body enters the clearance groove of the cover plate frame. The inner side of the latch body fits against the outer side of the protrusion, the magnet in the protrusion attracts the latch body, and the two locking pins of the latch press against the top surface of the cover plate frame.
[0007] The crystal oscillator multi-process universal fixture described above has a locking mechanism comprising two locking devices, which are separately installed on two opposite sides of the base frame.
[0008] The crystal oscillator multi-process universal fixture described above has a locking mechanism comprising four locking devices. The four locking devices are separately installed on the four side frames of the base frame; or the four locking devices are arranged in two groups and separately installed on two opposite side frames of the base frame; the two locking devices on the same side frame are arranged separately along the long axis of the side frame.
[0009] The crystal oscillator multi-process universal fixture described above has a locking device comprising a plurality of magnets. The outer side of the protrusion includes mounting holes corresponding to the plurality of magnets. The plurality of mounting holes are arranged separately along the long axis of the frame, and the magnets are embedded in the corresponding mounting holes.
[0010] The crystal oscillator multi-process universal fixture described above includes a locking device comprising a pull rod and a nut threadedly engaged with the pull rod. The base mounting frame of the locking device includes a pull rod mounting groove, with the lower end of the pull rod arranged in the pull rod mounting groove and hinged to the base frame on which the pull rod is mounted. The cover plate frame includes a pull rod clearance groove corresponding to the locking device. When the locking device is engaged, the upper part of the pull rod enters the pull rod clearance groove of the cover plate frame, and the nut screwed onto the pull rod thread presses against the top surface of the cover plate frame.
[0011] The crystal oscillator multi-process universal fixture described above uses a wing nut or a round knob nut as the nut.
[0012] The crystal oscillator multi-process universal fixture described above includes a locking device comprising a pull plate and a locking handle. The base mounting frame of the locking device includes a pull plate mounting groove, with the lower end of the pull plate positioned within this groove and hinged to the base frame. The front end of the locking handle is hinged to the upper end of the pull plate and includes an eccentric wheel. The cover plate frame includes a pull plate clearance groove corresponding to the locking device. When the locking device is engaged, the upper part of the pull plate enters the clearance groove of the cover plate frame, and the eccentric wheel at the front end of the locking handle presses against the top surface of the cover plate frame. The top surface of the cover plate frame includes a groove matching the eccentric wheel.
[0013] The crystal oscillator multi-process universal fixture described above has an inner hole formed by the four side frames of the frame-shaped cover plate, which is a tapered hole that is larger at the top and smaller at the bottom.
[0014] This invention is applicable to the processing and fabrication of crystal oscillators in different manufacturing processes. When the crystal oscillator is switched between manufacturing processes, the crystal oscillator on the carrier board will not be lost due to spillage. Attached Figure Description
[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0016] Figure 1 This is a perspective view of the universal fixture for multi-process crystal oscillators according to Embodiment 1 of this utility model.
[0017] Figure 2 This is an exploded view of the universal fixture for multi-process crystal oscillators according to Embodiment 1 of this utility model.
[0018] Figure 3 This is a perspective view of the universal fixture for multi-process crystal oscillators according to Embodiment 2 of this utility model.
[0019] Figure 4 This is a perspective view of the universal fixture for multi-process crystal oscillators according to Embodiment 3 of this utility model.
[0020] Figure 5 This is a perspective view of the universal fixture for multi-process crystal oscillators according to Embodiment 4 of this utility model.
[0021] Figure 6 This is a perspective view of the opening of a locking device in Embodiment 4 of this utility model, which is a universal fixture for multi-process crystal oscillators.
[0022] Figure 7 This is a perspective view of the universal fixture for multi-process crystal oscillators according to Embodiment 5 of this utility model.
[0023] Figure 8 This is a perspective view of the pull rod in Embodiment 5 of this utility model.
[0024] Figure 9 This is a perspective view of the pull rod in Embodiment 6 of this utility model.
[0025] Figure 10 This is a perspective view of the universal fixture for multi-process crystal oscillators according to Embodiment 6 of this utility model.
[0026] Figure 11 This is a perspective view of the universal fixture for multi-process crystal oscillators according to Embodiment 7 of this utility model.
[0027] Figure 12 This is a partial view of the universal fixture for multi-process crystal oscillators according to Embodiment 7 of this utility model. Detailed Implementation
[0028] The structure of the universal multi-process crystal oscillator fixture in Embodiment 1 of this utility model is as follows: Figure 1 and Figure 2As shown, the system includes a frame-shaped base 10, a crystal carrier plate 20, a pressure plate 30, a frame-shaped cover plate 40, and a locking mechanism. The crystal carrier plate 20 has 100 bearing holes 21 arranged in a 10×10 matrix in its central processing area 20A. These bearing holes 21 are adapted to the crystal workpiece 01 to be processed. The frame-shaped base 10 includes bearing holes 11 for the crystal carrier plate 20. These bearing holes 11 are stepped holes, larger at the top and smaller at the bottom, and the outer contour of the crystal carrier plate 20 is adapted to the larger hole 111 of the stepped hole. The periphery of the bottom surface of the crystal carrier plate 20 rests on the step 112 of the stepped hole. The pressure plate 30 is arranged on top of the larger hole 111 of the stepped hole, above the crystal carrier plate 20. The pressure plate 30 also includes through holes 31 arranged in a 10×10 matrix, corresponding to the bearing holes 21. The frame-shaped cover plate 40 presses against the top surface of the periphery of the pressure plate 30, exposing all the through holes 31. The locking mechanism of this embodiment includes two sets of locking devices 50, which are installed on the frame of the base 10 and used to fasten the base 10 to the cover plate. The inner hole formed by the four frame sides 41 of the frame-shaped cover plate is a tapered hole that is larger at the top and smaller at the bottom.
[0029] The bearing hole 21 is a stepped through hole with a larger upper part and a smaller lower part. The larger hole 211 of the stepped through hole is a rectangular hole. Each of the two long sides of the rectangular hole includes a clearance groove 212 for the chuck of the crystal oscillator workpiece 01 to be processed.
[0030] The locking device 50 of Embodiment 1 includes a latch 50A and a magnet 51. The base 10 includes an upwardly protruding protrusion 12 and a mounting groove 13 for the latch 50A on the frame on which the locking device 50 is mounted. The mounting groove 13 is arranged on the outer side of the protrusion 12. The latch 50A includes a latch body 52 and two locking pins 53. The lower part of the latch body 52 is embedded in the mounting groove 13 of the frame and is hinged to the frame. The direction of the hinge axis between the latch body 52 and the frame is the long axis direction of the frame. The two locking pins 53 are arranged on the upper part of the latch body 52 and extend outward along both sides of the latch body 52. The axial direction of the two locking pins 53 is parallel to the long axis direction of the frame. The outer side of the protrusion 12 includes a mounting hole for the magnet 51, and the magnet 51 is embedded in the mounting hole. The frame 41 of the cover plate 40 includes a clearance groove 42 corresponding to the locking device 50. When the latch 50A is engaged, the upper part of the protrusion 12 and the latch body 52 of the latch 50A enters the clearance groove 42 of the cover plate frame 41. The inner side of the latch body 52 fits against the outer side of the protrusion 12, and the magnet 51 in the protrusion 12 attracts the latch body 52. The two locking pins 53 of the latch 50A press against the top surface of the cover plate frame 41. In this embodiment, the two locking devices 50 are separately installed on the two opposite frames 14 of the base 10 frame.
[0031] The structure of the universal multi-process crystal oscillator fixture in Embodiment 2 of this utility model is as follows: Figure 3 As shown, the only difference from Embodiment 1 is that the locking mechanism includes four locking devices 50, which are separately installed on the four side frames 14 of the base 10 frame.
[0032] The structure of the universal multi-process crystal oscillator fixture in Embodiment 3 of this utility model is as follows: Figure 4 As shown, the only difference from Embodiment 2 is that the four locking devices 50 are arranged in two groups and separately mounted on two opposite side frames 14 of the base 10 frame. The two locking devices 50 on the same side frame 14 are arranged separately along the long axis of the side frame 14.
[0033] The structure of the universal multi-process crystal oscillator fixture in Embodiment 4 of this utility model is as follows: Figure 5 and Figure 6 As shown, the only difference from Embodiment 1 is that the locking device 50 has a larger width along the long axis of the frame 14. The locking device 50 includes three magnets 51. The outer side of the protrusion 12 includes three mounting holes corresponding to the magnets 51. The three mounting holes are arranged separately along the long axis of the frame 14, and the magnets 51 are embedded in the corresponding mounting holes.
[0034] The structure of the universal multi-process crystal oscillator fixture in Embodiment 5 of this utility model is as follows: Figure 7 and Figure 8 As shown, Embodiment 5 differs from Embodiment 1 only in the structure of the locking device 50. The locking device 50 includes a pull rod 54 and a wing nut 55 threadedly engaged with the pull rod 54. The frame 14 of the base 10 for mounting the locking device 50 includes a pull rod mounting groove 15. The lower end of the pull rod 54 is arranged in the pull rod mounting groove 15, and the lower end of the pull rod 54 is hinged to the frame of the base 10 for mounting the pull rod 54. The frame of the cover plate includes a pull rod clearance groove 43 corresponding to the locking device 50. When the locking device 50 is engaged, the upper part of the pull rod 54 enters the pull rod clearance groove 43 of the cover plate frame, and the wing nut 55 screwed onto the thread of the pull rod 54 presses against the top surface of the cover plate frame 41.
[0035] The structure of the universal multi-process crystal oscillator fixture in Embodiment 6 of this utility model is as follows: Figure 9 and Figure 10 As shown, the only difference between Embodiment 6 and Embodiment 5 is that the locking device 50 uses a round knob nut 56 instead of a pull rod nut.
[0036] The structure of the universal multi-process crystal oscillator fixture in Embodiment 7 of this utility model is as follows: Figure 11 and Figure 12As shown, Embodiment 7 differs from Embodiment 1 only in that the locking device 50 includes a pull plate 57 and a locking handle 58. The frame 14 of the base 10, which mounts the locking device 50, includes a pull plate mounting groove 17. The lower end of the pull plate 57 is arranged in the pull plate mounting groove 17, and the lower end of the pull plate 57 is hinged to the frame 14 of the base 10. The front end of the locking handle 58 is hinged to the upper end of the pull plate 57, and the front end of the locking handle 58 is an eccentric wheel 581. The frame 41 of the cover plate 40 has a pull plate clearance groove corresponding to the locking device 50. When the locking device 50 is engaged, the upper part of the pull plate 57 enters the pull plate clearance groove of the cover plate frame, and the eccentric wheel 581 at the front end of the locking handle 58 presses against the top surface of the cover plate frame. The top surface of the cover plate frame includes a groove 45 that matches the eccentric wheel 581.
[0037] This utility model provides a universal fixture for crystal oscillators across multiple processes. It is suitable for processing and manufacturing crystal oscillators in different processes. When the crystal oscillators are switched between processes, the crystal oscillators on the carrier board will not be lost due to spillage.
Claims
1. A universal fixture for multi-process crystal oscillators, comprising a base and a crystal carrier board, characterized in that, The system includes a pressure plate, a frame-shaped cover plate, and a locking mechanism. The crystal carrier plate has a plurality of bearing holes arranged in a matrix in the processing area in the middle, and the bearing holes are adapted to the workpiece to be processed. The frame-shaped base includes bearing holes for the crystal carrier plate. The bearing holes are stepped holes with a larger upper part and a smaller lower part. The outer contour of the crystal carrier plate is adapted to the larger hole of the stepped hole, and the periphery of the bottom surface of the crystal carrier plate sits on the step of the stepped hole. The pressure plate is arranged on top of the larger hole of the stepped hole and is located above the crystal carrier plate. The pressure plate includes through holes arranged in a matrix and corresponding to the bearing holes. The frame-shaped cover plate presses on the top surface of the periphery of the pressure plate. The locking mechanism includes a plurality of locking devices, which are installed on the side frame of the base frame and fasten the base and the cover plate.
2. The universal fixture for multi-process crystal oscillators according to claim 1, characterized in that, The bearing hole is a stepped through hole that is larger at the top and smaller at the bottom. The larger hole of the stepped through hole is a rectangular hole, and each of the two long sides of the rectangular hole includes a clearance groove for the workpiece pick-up and drop chuck.
3. The universal fixture for multi-process crystal oscillators according to claim 1, characterized in that, The locking device includes a latch and a magnet. The base mounting frame of the locking device includes an upwardly protruding protrusion and a mounting groove for the latch, with the mounting groove located on the outer side of the protrusion. The latch includes a latch body and two locking pins. The lower part of the latch body is embedded in the mounting groove of the base frame and hinged to the base frame. The direction of the hinge axis between the latch body and the base frame is the long axis direction of the base frame. The two locking pins are located on the upper part of the latch body and extend outward along both sides of the latch body. The axial direction of the two locking pins is parallel to the long axis direction of the base frame. The outer side of the protrusion includes a mounting hole for the magnet, with the magnet embedded in the mounting hole. The frame of the cover plate includes a clearance groove corresponding to the locking device. When the latch is engaged, the upper part of the protrusion and the latch body enters the clearance groove of the cover plate frame. The inner side of the latch body fits against the outer side of the protrusion. The magnet in the protrusion attracts the latch body, and the two locking pins of the latch press against the top surface of the cover plate frame.
4. The universal crystal oscillator fixture for multiple manufacturing processes according to claim 3, characterized in that, The locking mechanism includes two locking devices, which are separately mounted on two opposite sides of the base frame.
5. The universal fixture for multi-process crystal oscillators according to claim 3, characterized in that, The locking mechanism includes four locking devices, which are separately installed on the four side frames of the base frame; or the four locking devices are arranged in two groups and separately installed on two opposite side frames of the base frame; the two locking devices on the same side frame are arranged separately along the long axis of the side frame.
6. The universal crystal oscillator fixture for multiple manufacturing processes according to claim 3, characterized in that, The locking device includes a plurality of the aforementioned magnets, and the outer side of the protrusion includes mounting holes corresponding to the plurality of magnets. The plurality of mounting holes are arranged separately along the long axis of the frame, and the magnets are embedded in the corresponding mounting holes.
7. The universal fixture for multi-process crystal oscillators according to claim 1, characterized in that, The locking device includes a pull rod and a nut that is threaded into the pull rod. The frame of the base mounting the locking device includes a pull rod mounting groove, and the lower end of the pull rod is arranged in the pull rod mounting groove. The lower end of the pull rod is hinged to the frame of the base mounting the pull rod. The frame of the cover plate includes a pull rod clearance groove corresponding to the locking device. When the locking device is engaged, the upper part of the pull rod enters the pull rod clearance groove of the cover plate frame, and the nut screwed into the pull rod thread presses against the top surface of the cover plate frame.
8. The universal fixture for multi-process crystal oscillators according to claim 7, characterized in that, The nut is either a wing nut or a round knob nut.
9. The universal crystal oscillator fixture for multiple manufacturing processes according to claim 1, characterized in that, The locking device includes a pull plate and a locking handle. The base frame for mounting the locking device includes a pull plate mounting groove, and the lower end of the pull plate is arranged in the pull plate mounting groove. The lower end of the pull plate is hinged to the base frame for mounting the pull plate. The front end of the locking handle is hinged to the upper end of the pull plate, and the front end of the locking handle includes an eccentric wheel. The cover plate frame includes a pull plate clearance groove corresponding to the locking device. When the locking device is engaged, the upper part of the pull plate enters the pull plate clearance groove of the cover plate frame, and the eccentric wheel at the front end of the locking handle presses against the top surface of the cover plate frame. The top surface of the cover plate frame includes a groove that matches the eccentric wheel.
10. The universal fixture for multi-process crystal oscillators according to claim 1, characterized in that, The inner hole formed by the four side frames of the frame-shaped cover plate is a tapered hole that is larger at the top and smaller at the bottom.