Drawing type DVR case production mold
By using a servo motor-driven cam and spring-buffered reset mechanism, combined with upper and lower mold mechanisms, guide rods, and hydraulic cylinders, the shortcomings of existing molds in demolding efficiency and precision are solved, enabling efficient production and high-precision molding of DVR chassis.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU JICHENG TECH CO LTD
- Filing Date
- 2025-05-06
- Publication Date
- 2026-04-10
AI Technical Summary
Existing pull-out DVR chassis production molds are insufficient in terms of efficient demolding and ensuring product precision, making it difficult to meet the design requirements of compactness and lightweight design.
The system employs a servo motor-driven cam combined with a spring-buffered reset mechanism, along with upper and lower die mechanisms. Guide rods and hydraulic cylinders enable an efficient and smooth demolding process, ensuring the stability and accuracy of the stamping process.
It achieves efficient and stable demolding of DVR chassis, reduces labor intensity, improves production efficiency, meets the needs of large-scale production, and at the same time ensures the dimensional accuracy and surface quality of the product.
Smart Images

Figure CN224101594U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to DVR case production technical field, concretely is a kind of pull-out type DVR case production mould. BACKGROUND
[0002] With the rapid development of information technology and security industry, DVR (digital video recorder) as one of the core equipment of video monitoring system, its market demand quantity is increasing day by day.DVR case as the physical carrier of DVR equipment, not only need to have good electromagnetic shielding performance, heat dissipation performance and structural strength, also need to meet the design requirements of compact, light weight, to adapt to the development trend of modern security equipment integration, miniaturization.
[0003] In the prior art mould technology, although there are some mould designs for pull-out type case, but there are still deficiencies in realizing efficient demoulding and ensuring product precision, therefore, a pull-out type DVR case production mould is urgently needed. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of pull-out type DVR case production mould to solve the problems raised in the above background.
[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of pull-out type DVR case production mould, including lower die mechanism, the top of the lower die mechanism is provided with upper die mechanism;
[0006] The lower die mechanism includes a punching table, the top of the punching table is fixedly connected with a lower die, four top holes are formed in the lower die, four first jacks are slidably arranged in each top hole, the bottom of the punching table is fixedly connected with a shell, the shell is fixedly connected with a support plate inside, four limiting holes are formed in the support plate, a second jack is slidably inserted into each limiting hole, a spring is sleeved on the surface of each second jack, the bottom of four second jacks is fixedly connected with a same lower top plate, and the top of four second jacks is fixedly connected with a same upper top plate.
[0007] Preferably, four through holes are formed in the punching table, and each first jack is slidably arranged in each through hole.
[0008] Preferably, the top of each of the four first jacks is fixedly connected with a top block, and the inside of the lower die is formed with a groove for accommodating the top block.
[0009] Preferably, an installation opening is formed in the rear side of the shell, a servo motor is fixedly connected in the installation opening, and the output shaft of the servo motor is fixedly connected with a cam.
[0010] Preferably, the front of the shell is provided with a pair of doors.
[0011] Preferably, the upper die mechanism comprises a stamping plate, the bottom of the stamping plate is fixedly connected with an upper die, four sliding holes are formed in the stamping plate, a guide rod is slidably arranged in each sliding hole, the top of the four guide rods is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with a hydraulic cylinder.
[0012] Preferably, the bottom of the hydraulic cylinder is fixedly connected with the stamping plate, and the bottom of the four guide rods is fixedly connected with the stamping plate.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] Firstly, the utility model realizes efficient and stable demolding of products by means of the servo motor driving the cam and the spring buffering reset mechanism, reduces manual intervention and labor intensity, significantly improves production efficiency, and meets the demand of large-scale production.
[0015] Secondly, the upper die mechanism and the lower die mechanism are closely matched, the guide rods ensure the stability and accuracy of the stamping process, and the machining precision of the die is high, thereby guaranteeing the dimensional accuracy and surface quality of the DVR case. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a front sectional view of the lower die mechanism of the utility model;
[0018] Figure 3 It is a front sectional view of the lower die mechanism of the utility model;
[0019] Figure 4 It is a rear side view structure schematic view of the utility model.
[0020] Wherein: 1, the stamping plate; 2, the lower die; 3, the first top rod; 4, the shell; 5, the support plate; 6, the second top rod; 7, the spring; 8, the lower top plate; 9, the upper top plate; 10, the top block; 11, the servo motor; 12, the cam; 13, the pair of doors; 14, the stamping plate; 15, the upper die; 16, the guide rod; 17, the mounting plate; 18, the hydraulic cylinder. DETAILED DESCRIPTION
[0021] With reference to the drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the scope of protection of the present application.
[0022] The present application provides the following technical solutions:
[0023] Embodiment one
[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , a pull type DVR case production mold, including lower die mechanism, the top of lower die mechanism is provided with upper die mechanism;
[0025] The lower die mechanism includes a punching table 1, the top of the punching table 1 is fixedly connected with a lower die 2, four top holes are formed in the lower die 2, four first top rods 3 are slidably arranged in each top hole, the bottom of the punching table 1 is fixedly connected with a shell 4, the inside of the shell 4 is fixedly connected with a support plate 5, four limiting holes are formed in the support plate 5, a second top rod 6 is slidably inserted into each limiting hole, a spring 7 is sleeved on the surface of each second top rod 6, the bottom of the four second top rods 6 is fixedly connected with a same lower top plate 8, and the top of the four second top rods 6 is fixedly connected with a same upper top plate 9.
[0026] Four perforations are formed in the punching table 1, and each first top rod 3 is slidably arranged in each perforation.
[0027] The top of each first top rod 3 is fixedly connected with a top block 10, and recesses for accommodating the top block 10 are formed in the inside of the lower die 2.
[0028] The rear side of the shell 4 is provided with a mounting opening, a servo motor 11 is fixedly connected in the mounting opening, and the output shaft of the servo motor 11 is fixedly connected with a cam 12.
[0029] The front surface of the shell 4 is provided with a double door 13.
[0030] Through the technical scheme, the stamping table 1 is a basic supporting part of the lower die mechanism, the top of the stamping table 1 is fixedly connected with the lower die 2, four top holes are arranged in the lower die 2, four first top rods 3 are slidably arranged in each top hole, which provides a basic structure for the subsequent product ejection operation, four through holes are arranged on the stamping table 1, each first top rod 3 is slidably arranged in the through hole, which ensures the stable sliding of the first top rod 3 on the stamping table 1, so that the movement of the top rod is more smooth, the top of each first top rod 3 is fixedly connected with a top block 10, a groove for accommodating the top block 10 is arranged in the lower die 2, the top block 10 can be hidden in the groove during the stamping process, and the normal forming of the product is not affected; when the product needs to be ejected, the top block 10 is driven by the top rod to move upward to eject the product, the bottom of the stamping table 1 is fixedly connected with a shell 4, the shell 4 is fixedly connected with a support plate 5 inside, four limiting holes are arranged on the support plate 5, a second top rod 6 is slidably inserted into each limiting hole, the arrangement of the limiting hole limits the movement direction of the second top rod 6, so that it can only slide in the vertical direction, a spring 7 is sleeved on the surface of each second top rod 6, the bottom of the four second top rods 6 is fixedly connected with a same lower top plate 8, and the top is fixedly connected with a same upper top plate 9, the spring 7 plays a buffering and resetting role, during the stamping process, the upper top plate 9 moves downward under the pressure, and the spring 7 is compressed; after the stamping is completed, the elastic force of the spring 7 resets the upper top plate 9 and the second top rod 6, an installation opening is arranged on the rear side of the shell 4, a servo motor 11 is fixedly connected in the installation opening, an output shaft of the servo motor 11 is fixedly connected with a cam 12, the servo motor 11 drives the cam 12 to rotate, the cam 12 is in contact with the lower top plate 8, the rotation of the cam 12 drives the lower top plate 8 to move up and down, and then drives the second top rod 6 and the first top rod 3 to move, so that the ejection of the product is realized, a double door 13 is installed on the front of the shell 4, which is convenient for the maintenance and maintenance of the internal components.
[0031] Example two
[0032] Please refer to Figure 1 and Figure 4 , and on the basis of example one, it is further obtained that the upper die mechanism comprises a stamping plate 14, the bottom of the stamping plate 14 is fixedly connected with an upper die 15, four sliding holes are arranged on the stamping plate 14, a guide rod 16 is slidably arranged in each sliding hole, the top of the four guide rods 16 is fixedly connected with a mounting plate 17, and the mounting plate 17 is fixedly connected with a hydraulic cylinder 18.
[0033] The bottom of the hydraulic cylinder 18 is fixedly connected with the stamping plate 14, and the bottom of the four guide rods 16 is fixedly connected with the stamping table 1.
[0034] Through the technical scheme, the stamping plate 14 is fixedly connected with the upper die 15, the upper die 15 cooperates with the lower die 2 to complete the stamping forming of the DVR case, four sliding holes are formed in the stamping plate 14, a guide rod 16 is slidably arranged in each sliding hole, the top of the four guide rods 16 is fixedly connected with a mounting plate 17, the mounting plate 17 is fixedly connected with a hydraulic cylinder 18, the bottom of the hydraulic cylinder 18 is fixedly connected with the stamping plate 14, the bottom of the four guide rods 16 is fixedly connected with the stamping table 1, the hydraulic cylinder 18 provides power to push the stamping plate 14 and the upper die 15 to move up and down to realize the stamping action, the guide rod 16 ensures the stability and accuracy of the movement of the stamping plate 14, avoids the deviation in the stamping process, and improves the forming quality of the product.
[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A production mold for a drawer-type DVR case, comprising a lower mold mechanism, characterized by: The top of the lower die mechanism is provided with an upper die mechanism; The lower die mechanism comprises a stamping table (1), the top of the stamping table (1) is fixedly connected with a lower die (2), four top holes are formed in the lower die (2), four first top rods (3) are slidably arranged in each top hole, the bottom of the stamping table (1) is fixedly connected with a shell (4), the inside of the shell (4) is fixedly connected with a supporting plate (5), four limiting holes are formed in the supporting plate (5), a second top rod (6) is slidably inserted into each limiting hole, a spring (7) is sleeved on the surface of each second top rod (6), the bottom of the four second top rods (6) is fixedly connected with a same lower top plate (8), and the top of the four second top rods (6) is fixedly connected with a same upper top plate (9).
2. The production mold for a pull-out type DVR case according to claim 1, wherein: The stamping table (1) is provided with four through holes, and each first top rod (3) is slidably arranged in each through hole.
3. The production mold for a pull-out type DVR case according to claim 1, wherein: The top of each first top rod (3) is fixedly connected with a top block (10), and the inside of the lower die (2) is provided with a groove for accommodating the top block (10).
4. The production mold for a pull-out type DVR case according to claim 1, wherein: The rear side of the shell (4) is provided with a mounting opening, the mounting opening is fixedly connected with a servo motor (11), and the output shaft of the servo motor (11) is fixedly connected with a cam (12).
5. The production mold for a pull-out DVR chassis according to claim 1, characterized by: The front surface of the shell (4) is provided with a double door (13).
6. The production mold for a pull-out DVR chassis according to claim 1, characterized by: The upper die mechanism comprises a stamping plate (14), the bottom of the stamping plate (14) is fixedly connected with an upper die (15), four sliding holes are formed in the stamping plate (14), a guide rod (16) is slidably arranged in each sliding hole, the top of the four guide rods (16) is fixedly connected with a mounting plate (17), and the mounting plate (17) is fixedly connected with a hydraulic cylinder (18).
7. The production mold for a pull-out type DVR case according to claim 6, wherein: The bottom of the hydraulic cylinder (18) is fixedly connected with the stamping plate (14), and the bottom of the four guide rods (16) is fixedly connected with the stamping table (1).