Die assembly for probe machining of prober
By designing a mold assembly including electric push rods, gears and limit rods, the problem of inconvenience of ejection of the mold assembly after the needle detector is formed and the upper and lower die disengagement is achieved, and stability and convenience are achieved.
Patent Information
- Application Number
- CN202422087524.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-08-27
AI Technical Summary
The existing mold components are not convenient for easy ejection after the needle detector's probe is formed. Multiple thimble linkage control affects the stability of ejection, and the mold components are easy to disengage from the upper and lower molds during handling.
A mold assembly including the base frame, the lower mold seat, the upper mold seat, the electric push rod, the rack, the variable speed gear, the rotary rod and the threaded rod are designed. The electric push rod drives the rack and the gear meshing to realize the linkage control of multiple sets of thimbles, conveniently eject the needle detector probe, and prevent the mold assembly from disengaging during handling through the limit rod and the slider structure.
It realizes convenient ejection of the needle detector probe, improves the stability of ejection during ejection, and prevents the mold assembly from disengaging the upper and lower molds during handling.
Smart Images

Figure CN223171890U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of die components, in particular to a die component for processing a probe of a needle detector. Background Technique
[0002] The die-casting die is an important process equipment in die-casting production. It plays a very important role in whether the production can proceed smoothly and the quality of the castings. It interacts with and restricts the die-casting production process and production operation, and the relationship is close. The die-casting die determines the shape and dimensional tolerance grade of the castings; its gating system determines the filling condition of the molten metal; during the production process, the thermal balance of the die-casting process is controlled and adjusted; the strength of the die limits the maximum injection pressure ratio, affecting the production efficiency of die-casting production; the die-casting die is mainly composed of a fixed die and a movable die. In order to ensure the movement of the die and the smooth withdrawal of the workpiece, it is equipped with a set of complex systems and structures;
[0003] After the die-casting part is formed in the die cavity, the die is immediately opened to take out the die-casting part. However, before taking it out, there is still a process of being ejected from the forming part of the die. The mechanism that plays a role in this ejection process is the ejection mechanism. The ejection mechanism is generally in the movable die. In very few cases, the ejection mechanism is also installed in the fixed die; when the existing such die components are used, it is generally not conducive to the convenient ejection of the probe of the needle detector after forming. Multiple ejector pins are driven simultaneously by linkage control, which greatly affects the stability of the ejector pins during ejection. When the die components are transported, the upper and lower dies are prone to separation. Content of the Utility Model
[0004] The purpose of the utility model is to provide a die component for processing a probe of a needle detector, so as to solve the problems proposed in the above background technique that the die component is not convenient for the convenient ejection of the probe of the needle detector after forming, multiple ejector pins are driven simultaneously by linkage control, which affects the stability of the ejector pins during ejection, and the upper and lower dies are prone to separation when the die component is transported.
[0005] To achieve the above object, the present utility model provides the following technical solution: A mold assembly for processing a probe of a needle detector, including a chassis and a lower mold base. The top of the chassis is provided with a lower mold base. The top of the lower mold base is provided with an upper mold base. The top of the upper mold base is provided with a top frame. At the central position inside the upper mold base, there is an upper mold core. At the central position inside the lower mold base, there is a lower mold core. Inside the chassis, limiting plates are symmetrically installed. Inside the chassis below the limiting plates, an electric push rod is installed. The output end of the electric push rod is installed with a rack. A sliding sleeve is sleeved at one end of the rack away from the electric push rod, and the sliding sleeve is connected to the chassis. Inside the chassis on one side of the rack, there are two groups of rotating rods. Transmission gears are sleeved on the surfaces of the rotating rods, and the transmission gears are meshed with the rack. Power gears are installed at the tops of the rotating rods. Inside the chassis on one side of the power gear, there are four groups of rotating columns arranged at equal intervals, and the rotating columns are all movably connected to the limiting plates.
[0006] Preferably, transmission gears are sleeved on the surfaces of the rotating columns on one side of the power gear, and hollow threaded sleeves are installed at the tops of the rotating columns.
[0007] Preferably, threaded rods are arranged inside the hollow threaded sleeves, and the threaded rods are threadedly connected to the hollow threaded sleeves. Limiting keys are installed at the tops of the threaded rods.
[0008] Preferably, key grooves are arranged inside the lower mold base on one side of the limiting keys, and the limiting keys are slidably connected to the key grooves.
[0009] Preferably, a top needle body is installed at the central position of the top of the threaded rod, and the top needle body is slidably connected to the lower mold core.
[0010] Preferably, an upper slider is installed on the outer wall of the upper mold base. A lower slider is installed on the outer wall of the lower mold base below the upper slider. A limiting rod is arranged inside the upper slider, and the limiting rod extends to the outside of the lower slider.
[0011] Preferably, a lower bolt is installed on the outer wall of the lower slider on one side of the limiting rod, and the lower bolt extends to the surface of the limiting rod.
[0012] Preferably, an upper bolt is installed on the outer wall of the upper slider on one side of the limiting rod, and the upper bolt extends to the surface of the limiting rod.
[0013] Compared with the prior art, the beneficial effects of the present utility model are: This mold assembly not only realizes the convenient ejection of the needle detector probe after molding, facilitates the simultaneous driving of multiple groups of ejector pins in a linkage manner, but also improves the stability of the ejector pins during ejection, and prevents the upper and lower molds from separating during the handling of the mold assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1Schematic three-dimensional explosion structure diagram of the present utility model;
[0015] Figure 2 Schematic three-dimensional explosion structure diagram of the lower die holder of the present utility model;
[0016] Figure 3 Schematic three-dimensional structure diagram of the present utility model;
[0017] Figure 4 Schematic three-dimensional structure diagram of the rack of the present utility model;
[0018] Figure 5 Schematic three-dimensional structure diagram of the thimble body of the present utility model;
[0019] Figure 6 Schematic front view sectional structure diagram of the present utility model.
[0020] In the figure: 1, chassis; 2, lower die holder; 3, lower die core; 4, upper die core; 5, upper die holder; 6, top frame; 7, electric push rod; 8, rack; 9, speed change gear; 10, sliding sleeve; 11, rotating rod; 12, limiting plate; 13, transmission gear; 14, rotating column; 15, hollow threaded sleeve; 16, threaded rod; 17, limiting key; 18, thimble body; 19, lower bolt; 20, lower slider; 21, limiting rod; 22, upper bolt; 23, upper slider; 24, power gear; 25, keyway. Specific embodiments
[0021] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific embodiments, structures, features, and their effects of the present utility model as follows.
[0022] Please refer to Figure 1-6 , an embodiment provided by the present utility model: A mold assembly for processing a probe of a needle detector includes a chassis 1 and a lower die holder 2. A lower die holder 2 is provided at the top of the chassis 1. An upper die holder 5 is provided at the top of the lower die holder 2. A top frame 6 is provided at the top of the upper die holder 5. An upper die core 4 is provided at the central position inside the upper die holder 5. A lower die core 3 is provided at the central position inside the lower die holder 2. Limiting plates 12 are symmetrically installed inside the chassis 1. An electric push rod 7 is installed inside the chassis 1 below the limiting plates 12. The electric push rod 7 serves as a power drive. The output end of the electric push rod 7 is installed with a rack 8. A sliding sleeve 10 is sleeved at one end of the rack 8 away from the electric push rod 7. The sliding sleeve 10 is connected to the chassis 1, and the sliding sleeve 10 is slidably connected to the rack 8. Two groups of rotating rods 11 are provided inside the chassis 1 on one side of the rack 8. Speed change gears 9 are sleeved on the surfaces of the rotating rods 11, and the speed change gears 9 are meshed with the rack 8;
[0023] Power gears 24 are installed at the tops of the rotating rods 11. Inside the chassis 1 on one side of the power gear 24, four groups of rotating columns 14 are arranged at equal intervals, and the rotating columns 14 are all movably connected to the limiting plates 12. Transmission gears 13 are sleeved on the surfaces of the rotating columns 14 on one side of the power gear 24. Hollow threaded sleeves 15 are installed at the tops of the rotating columns 14;
[0024] Inside the hollow threaded sleeves 15, threaded rods 16 are arranged, and the threaded rods 16 are all threadedly connected to the hollow threaded sleeves 15. Limit keys 17 are installed at the tops of the threaded rods 16;
[0025] Key grooves 25 are arranged inside the lower die bases 2 on one side of the limit keys 17, and the limit keys 17 are slidably connected to the key grooves 25;
[0026] At the central position of the top of the threaded rod 16, a thimble body 18 is installed, and the thimble body 18 is slidably connected to the lower die core 3;
[0027] When mold opening and discharging are required, the upper die base 5 is separated from the lower die base 2, the electric push rod 7 is turned on, the electric push rod 7 drives the rack 8 to move, the sliding sleeve 10 provides sliding support for the rack 8, and under the meshing of the rack 8 and the transmission gear 9, the transmission gear 9 is driven to rotate. The transmission gear 9 drives the rotating rod 11 and the power gear 24 to rotate. Under the meshing of the power gear 24 and multiple transmission gears 13, the transmission gears 13 are driven to rotate. The transmission gears 13 drive the rotating columns 14 to rotate. The rotating columns 14 drive the hollow threaded sleeves 15 to rotate. Under the threaded connection of the hollow threaded sleeves 15 and the threaded rods 16, the threaded rods 16 and the thimble body 18 are driven to move upward. The limit keys 17 slide inside the key grooves 25 to provide limit support for the threaded rods 16, so as to facilitate multiple thimble bodies 18 to eject the needle detector probes formed inside the lower die core 3, realizing the convenient ejection of the needle detector probes after molding by the mold assembly, facilitating the simultaneous control and driving of multiple thimbles in a linkage manner, and improving the stability of the thimble ejection;
[0028] An upper slider 23 is installed on the outer wall of the upper die base 5. A lower slider 20 is installed on the outer wall of the lower die base 2 below the upper slider 23. A limit rod 21 is arranged inside the upper slider 23, and the limit rod 21 extends to the outside of the lower slider 20;
[0029] A lower bolt 19 is installed on the outer wall of the lower slider 20 on one side of the limit rod 21, and the lower bolt 19 extends to the surface of the limit rod 21. An upper bolt 22 is installed on the outer wall of the upper slider 23 on one side of the limit rod 21, and the upper bolt 22 extends to the surface of the limit rod 21;
[0030] The limiting rod 21 is connected to the upper slider 23. The limiting rod 21 can slide inside the upper slider 23. The upper bolt 22 limits the limiting rod 21 and the upper slider 23. The limiting rod 21 is connected to the lower slider 20. The limiting rod 21 can slide inside the lower slider 20. The lower bolt 19 limits the lower slider 20 and the limiting rod 21. Supported by the limiting rod 21, it is convenient to connect the upper die base 5 and the lower die base 2 together, preventing the upper die base 5 and the lower die base 2 from separating during handling, realizing convenient limiting support for the structure of the mold assembly, and preventing the upper and lower dies from separating during the handling of the mold assembly.
[0031] When the embodiment of the present application is in use: Connect to an external power supply. First, when mold opening and discharging are required, the upper die base 5 is separated from the lower die base 2. The electric push rod 7 drives the rack 8 to move. Under the meshing of the rack 8 and the transmission gear 9, the transmission gear 9 is driven to rotate. The transmission gear 9 drives the rotating rod 11 and the power gear 24 to rotate. Under the meshing of the power gear 24 and multiple groups of transmission gears 13, the transmission gears 13 are driven to rotate. The transmission gears 13 drive the rotating column 14 to rotate. The rotating column 14 drives the hollow threaded sleeve 15 to rotate. Under the threaded connection of the hollow threaded sleeve 15 and the threaded rod 16, the threaded rod 16 and the thimble body 18 are driven to move upward. The limiting key 17 slides inside the keyway 25 to limit and support the threaded rod 16, facilitating multiple groups of thimble bodies 18 to eject the probe of the needle detector formed inside the lower die core 3. Then, the limiting rod 21 is connected to the upper slider 23. The limiting rod 21 can slide inside the upper slider 23. The upper bolt 22 limits the limiting rod 21 and the upper slider 23. The limiting rod 21 is connected to the lower slider 20. The limiting rod 21 can slide inside the lower slider 20. The lower bolt 19 limits the lower slider 20 and the limiting rod 21. Supported by the limiting rod 21, it is convenient to connect the upper die base 5 and the lower die base 2 together, preventing the upper die base 5 and the lower die base 2 from separating during handling, and completing the use of the mold assembly.
[0032] The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to form an equivalent embodiment with equivalent changes, but as long as it does not depart from the technical content of the present invention, any brief modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. A mold assembly for processing a probe of a needle detector, characterized in that: It includes a chassis (1) and a lower die holder (2). The lower die holder (2) is provided at the top of the chassis (1). The upper die holder (5) is provided at the top of the lower die holder (2). The top frame (6) is provided at the top of the upper die holder (5). An upper die core (4) is provided at the central position inside the upper die holder (5). A lower die core (3) is provided at the central position inside the lower die holder (2). Limiting plates (12) are symmetrically installed inside the chassis (1). An electric push rod (7) is installed inside the chassis (1) below the limiting plates (12). A rack (8) is installed at the output end of the electric push rod (7). A sliding sleeve (10) is sleeved at one end of the rack (8) away from the electric push rod (7), and the sliding sleeve (10) is connected to the chassis (1). Two groups of rotating rods (11) are provided inside the chassis (1) on one side of the rack (8). Transmission gears (9) are sleeved on the surfaces of the rotating rods (11), and the transmission gears (9) are meshed with the rack (8). Power gears (24) are installed at the tops of the rotating rods (11). Four groups of rotating columns (14) are provided at equal intervals inside the chassis (1) on one side of the power gear (24), and the rotating columns (14) are all movably connected to the limiting plates (12).
2. The mold assembly for processing the probe of the needle detector according to claim 1, characterized in that: Transmission gears (13) are sleeved on the surfaces of the rotating columns (14) on one side of the power gear (24). Hollow threaded sleeves (15) are installed at the tops of the rotating columns (14).
3. A die assembly for processing a probe of a needle tester according to claim 2, characterized in that: Threaded rods (16) are provided inside the hollow threaded sleeves (15), and the threaded rods (16) are threadedly connected to the hollow threaded sleeves (15). Limit keys (17) are installed at the tops of the threaded rods (16).
4. A mold assembly for processing a probe of a needle detector according to claim 3, characterized in that: Key grooves (25) are provided inside the lower die holder (2) on one side of the limit keys (17), and the limit keys (17) are slidably connected to the key grooves (25).
5. The mold assembly for processing the probe of the needle detector according to claim 3, characterized in that: A thimble body (18) is installed at the central position at the top of the threaded rod (16), and the thimble body (18) is slidably connected to the lower die core (3).
6. A mold assembly for processing a probe of a needle detector according to claim 1, characterized in that: Upper sliders (23) are installed on the outer wall of the upper die holder (5). Lower sliders (20) are installed on the outer wall of the lower die holder (2) below the upper sliders (23). Limiting rods (21) are provided inside the upper sliders (23), and the limiting rods (21) extend to the outside of the lower sliders (20).
7. A mold assembly for processing a probe of a needle detector according to claim 6, characterized in that: Lower bolts (19) are installed on the outer wall of the lower sliders (20) on one side of the limiting rods (21), and the lower bolts (19) extend to the surface of the limiting rods (21).
8. A mold assembly for processing a probe of a needle detector according to claim 6, characterized in that: Upper bolts (22) are installed on the outer wall of the upper sliders (23) on one side of the limiting rods (21), and the upper bolts (22) extend to the surface of the limiting rods (21).