Lockset shaping jig
By using powder metallurgy injection molding and a lock forming fixture designed with multiple forming blocks, the problems of low precision, high cost, and poor adaptability in traditional lock production have been solved, achieving efficient, low-cost lock production and high yield.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-04-10
AI Technical Summary
The traditional die-casting and stamping processes in existing lock production have low precision requirements, low efficiency, and high cost. In addition, the existing shaping tools have fixed dimensions, making it difficult to adapt to the shaping needs of locks with different shapes.
By employing powder metallurgy injection molding technology and combining it with a lock forming fixture design with multiple forming blocks, a forming cavity is opened at the top of the lower mold, and multiple forming blocks are set in the forming cavity. The lock is located between the forming blocks, which improves precision and reduces costs. The adjustable knob and threaded rod structure can adapt to locks of different shapes.
It improves lock production efficiency and precision, reduces costs, increases product yield, adapts to the shaping needs of locks with different shapes, and meets high-tech requirements.
Smart Images
Figure CN224101839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lock production technical field, concretely is a lock shaping fixture. BACKGROUND
[0002] With the improvement of people's living standards, people's awareness of prevention is strengthened, therefore, the demand of high-grade preventive lock is continuously strengthened. The biological recognition technology, electronic technology and other high-tech products in the consumer market of lock are still basically in a blank stage, but the demand desire of market consumer population in this aspect presents 40% growth every year. The lock seems simple, but it can be completed after a plurality of processes, the lock industry is not only traditional industry, but also closely related to high-tech, today, the lock making technology is changing with each passing day, if advanced equipment and design level are not grasped and a batch of high-quality professional talents are not possessed, the enterprise is difficult to lead in the industry.
[0003] The existing lock production process often has the following problems: 1, the lock product generally adopts die casting, stamping process forming, the traditional die casting, stamping process precision requirement is not high, in the present higher technology requirement, the MIM process with high precision requirement is needed, the current traditional production mode is long in time, low in efficiency, poor in accuracy and high in cost, which causes unnecessary resource waste; 2, the existing lock shaping tool, the size of the shaping cavity is fixed, and it is not convenient to shape the lock with different shapes. SUMMARY
[0004] This section aims to outline some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the title of the utility model in order to avoid obscuring the purpose of this section, the abstract of the specification and the title of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above and / or the problems existing in the prior art, the present utility model is proposed.
[0006] Therefore, the purpose of the present utility model is to provide a lock shaping fixture, by providing a shaping cavity at the top of the lower die, a plurality of shaping blocks are arranged in the shaping cavity, the lock is located in the shaping cavity and between the two shaping blocks, the lock is made of powder metallurgy injection molding, which improves the production efficiency, improves the precision, reduces the cost (replaces the traditional die casting and stamping process), improves the product process capability, only the size, shape and surface roughness can meet the requirements, and the product can be transferred to the next process, and the yield of the product is improved.
[0007] To solve the above technical problems, according to one aspect of the present utility model, the present utility model provides the following technical scheme:
[0008] A lock shaping jig, comprising:
[0009] An upper die seat, the top of which is connected with the movable end of an external cylinder, and the bottom center of which is provided with an upper die;
[0010] A lower die seat, which is located directly below the upper die seat, and the top of which is provided with a lower die, which is located directly below the upper die, and the top of which is provided with a shaping cavity, and two fixing plates are symmetrically arranged inside the shaping cavity;
[0011] A lock, which is located inside the shaping cavity, and is made of powder metallurgy injection molding;
[0012] A plurality of shaping blocks, which are divided into two groups, and the two groups of shaping blocks are symmetrically connected inside the shaping cavity, and the lock is located between the two groups of shaping blocks.
[0013] As a preferred form of the lock shaping jig, the material of the lock is SUSL.
[0014] As a preferred form of the lock shaping jig, a plurality of knobs are rotatably connected to the side wall of the fixing plate, the number of knobs on each fixing plate side wall is consistent with the number of shaping blocks in each group, and each knob and its corresponding shaping block are on the same axis.
[0015] As a preferred form of the lock shaping jig, a threaded rod is mounted on the side wall of the knob, and the threaded rod extends into the inside of the shaping cavity.
[0016] As a preferred form of the lock shaping jig, a threaded hole is formed in the side wall of the shaping block, and the shaping cavity rotates into the inside of the threaded hole.
[0017] As a preferred form of the lock shaping jig, a guide groove is formed in the inside of the shaping cavity, and a guide plate is mounted on the bottom of the shaping block, and the guide plate is located in the guide groove.
[0018] Compared with the prior art, the shaping cavity is formed in the top of the lower die, a plurality of shaping blocks are arranged inside the shaping cavity, the lock is located inside the shaping cavity and between the two shaping blocks, the lock is made of powder metallurgy injection molding, the production efficiency is improved, the precision is improved, the cost is reduced (replacing the traditional die casting and stamping process), the product process capability is improved, only the size, shape and surface roughness can meet the requirements, and the product can be transferred to the next process, and the yield of the product is improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings. Among them:
[0020] Figure 1 Figure 1 is a schematic diagram of the overall structure of the lock shaping jig of the present application;
[0021] Figure 2 Figure 2 is a partial structural diagram of the lock shaping jig of the present application;
[0022] Figure 3 Figure 3 is a partial structural diagram of the lock shaping jig of the present application. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, clear and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.
[0024] Secondly, the present application is described in detail in combination with the schematic diagram. In order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.
[0025] In order to make the purposes, technical schemes and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the drawings.
[0026] The present application provides a lock shaping jig, which is characterized in that a shaping cavity is formed in the top of the lower mold, a plurality of shaping blocks are arranged inside the shaping cavity, the lock is located inside the shaping cavity and between the two shaping blocks, the lock is made of powder metallurgy injection molding, which improves the production efficiency, improves the precision, reduces the cost (replaces the traditional die casting and stamping process), improves the product process capability, and only the size, shape and surface roughness can meet the requirements, so as to flow to the next process and improve the yield of the product.
[0027] Example 1
[0028] Aiming at the above-mentioned problem 1 to be solved: the lock product generally adopts die casting, stamping process forming, the traditional die casting, stamping process precision requirement is not high, in the higher technology requirement now, the need precision requirement high MIM process, the current traditional production mode time is long, efficiency is low, accuracy is poor, cost is high, cause unnecessary resource waste.
[0029] The solution is as follows: a lock shaping jig of the embodiment, comprising an upper die seat 100, a lower die seat 200, a lock 300 and a shaping block 400.
[0030] The upper die seat 100 top is connected with the external cylinder movable end, the upper die seat 100 bottom center position is installed with the upper die 110, the lower die seat 200 top is installed with the lower die 210, the lower die 210 is located below the upper die 110, the lower die 210 top is provided with a shaping cavity 220, two fixed plates 230 are symmetrically installed inside the shaping cavity 220, the lock product sintered out is influenced by the temperature airflow in the furnace and the like, the lock size cannot meet the customer's requirements, the shaping technology is mainly used for the lock size of the metal powder injection forming to be bad, resulting in the product of the assembly bad, the shaping jig improves the shaping key size, replaces the traditional die casting, stamping process.
[0031] The lock 300 is located inside the shaping cavity 220, the lock 300 adopts powder metallurgy injection forming, the lock 300 material selects SUS304L, the shaping block 400 is multiple, the multiple shaping blocks 400 are divided into two groups, two groups of shaping blocks 400 are symmetrically connected inside the shaping cavity 220, the lock 300 is located between the two groups of shaping blocks 400, the traditional precision casting drying process is a kind of extremely effective technology for making complex shape product, in recent years, using ceramic core auxiliary can complete the finished product of slit and deep hole, but due to the strength of the ceramic core and the flowability of the casting liquid, there are still some technical difficulties in this process, generally speaking, this process is more suitable for manufacturing large and medium-sized parts, and the MIM process is more suitable for small and complex parts, the comparison project manufacturing process MIM process traditional powder metallurgy process powder particle size (μm) 2-15 50-100 relative density (%) 95-98 80-85 product weight (g) less than or equal to 400 grams 10- hundreds of product shape three-dimensional complex shape two-dimensional simple shape mechanical performance, the technical scheme adopted by the utility model is as follows: a new lock shaping technology, which improves production efficiency and improves production accuracy.
[0032] Embodiment 2
[0033] Aiming at the above-mentioned problem 2 to be solved: the size of the shaping cavity of the existing lock shaping tool is fixed, and it is not convenient to shape the lock with different shapes.
[0034] The solution is as follows: a lock shaping jig of the embodiment, further comprising:
[0035] A plurality of knobs 240 are rotationally connected to the side wall of the fixing plate 230, the number of the knobs 240 on the side wall of each fixing plate 230 is consistent with the number of each group of the shaping blocks 400, and each knob 240 is on the same axis with the corresponding shaping block 400, a threaded rod 250 is installed on the side wall of the knob 240, the threaded rod 250 extends into the inside of the shaping cavity 220, a threaded hole 410 is formed on the side wall of the shaping block 400, the shaping cavity 220 extends into the inside of the threaded hole 410, a guide groove 260 is formed in the inside of the shaping cavity 220, a guide plate 420 is installed on the bottom of the shaping block 400, the guide plate 420 is located in the inside of the guide groove 260, the knob 240 is rotated to drive the threaded rod 250 to rotate, the threaded rod 250 pushes the shaping block 400 away from or close to the fixing plate 230 by the screw structure when the threaded rod 250 rotates, according to the specific shape of the lock to be adjusted, different knobs 240 can be rotated to drive different threaded rods 250 to rotate, and then the relative positions of each shaping block 400 are adjusted, so that the shaping operation on the lock with different shapes is facilitated, the guide plate 420 slides in the inside of the guide groove 260 when the shaping block 400 slides, the shaping block 400 is guided and limited, and the shaping block 400 is prevented from rotating with the threaded rod 250.
[0036] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the disclosed embodiments of the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A lock trim tool comprising: Include: Upper die holder (100), the upper die holder (100) top with external cylinder movable end connection, the upper die holder (100) bottom center position installs upper mould (110); Lower die holder (200), located in the upper die holder (100) directly below, the lower die holder (200) top is installed with lower mould (210), the lower mould (210) is located in the upper mould (110) directly below, the lower mould (210) top is equipped with shaping cavity (220), two fixed plates (230) are installed symmetrically in the shaping cavity (220) inside; Lock (300), located in the shaping cavity (220) inside, the lock (300) adopts powder metallurgy injection molding; Shaping block (400), the shaping block (400) is multiple, multiple the shaping block (400) is divided into two groups, two groups the shaping block (400) is connected symmetrically in the shaping cavity (220) inside, the lock (300) is located between two groups the shaping block (400).
2. The lock shaping jig according to claim 1, wherein The lock (300) material selects SUS304L.
3. The lock shaping jig according to claim 2, wherein The fixed plate (230) side wall rotationally connected with multiple knobs (240), the number of the knob (240) of each fixed plate (230) side wall is consistent with the number of each group the shaping block (400), and each the knob (240) and its corresponding the shaping block (400) are in the same axis.
4. The lock shaping jig according to claim 3, wherein The knob (240) side wall is installed with threaded rod (250), the threaded rod (250) extends into the shaping cavity (220) inside.
5. The lock shaping jig according to claim 4, wherein The shaping block (400) side wall is equipped with threaded hole (410), the shaping cavity (220) rotates and extends into the threaded hole (410) inside.
6. The lock shaping jig according to claim 5, wherein The shaping cavity (220) inside is equipped with guide slot (260), the shaping block (400) bottom is installed with guide plate (420), the guide plate (420) is located in the guide slot (260) inside.