Processing die with double limiting structure

By setting T-shaped grooves and limiting grooves on the mold base, combined with clamping parts and sliding connections, the problem of the inability to adjust the limiting distance when the mold processes workpieces of different sizes is solved, thereby improving the applicability of the mold and processing efficiency.

CN224294463UActive Publication Date: 2026-05-29MIANYANG HAOFA TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MIANYANG HAOFA TECH CO LTD
Filing Date
2025-06-20
Publication Date
2026-05-29

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    Figure CN224294463U_ABST
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Abstract

The utility model relates to mould processing device technical field especially for processing mould with double limiting structure, including base, the inside of base is provided with axle hole, the inside of axle hole is connected with the outer wall of holding piece and rotates, the top surface of base is provided with T type sliding slot, the inner wall of T type sliding slot is connected with the outer wall of lower mould and fixed sliding block and slides, the inside of pressing plate is located four corners and is fixedly connected with the sleeve pipe, the upper surface of sleeve pipe is fixedly connected with the top end of telescopic spring, the bottom of telescopic spring is installed with the top surface of limiting piece and connects, the outer wall of two -way screw rod is connected with the inner wall of axle hole and rotates, the outer wall of two -way screw rod is connected with the inner wall of clamping block and threads, this device is provided with lower mould and T type sliding slot, and the replacement of the lower mould of convenient customization is carried out, through two -way screw rod and the clamping block of both sides, thereby realizes the effect that adjusts the clamping interval, to adapt to the processing demand of different size workpieces.
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Description

Technical Field

[0001] This utility model relates to the field of mold processing equipment technology, specifically to a processing mold with a built-in double limiting structure. Background Technology

[0002] Machining molds are tools manufactured using specific industrial processes for shaping and blanking, used to process workpieces of various shapes. Among them, metal non-standard parts machining molds are special molds customized according to user needs, used to process non-standard metal parts.

[0003] Chinese utility model patent CN219632403U discloses a dual-positioning stamping die for preventing displacement. This includes: "vertically placed guide pillars a are fixed around the upper surface of the lower die body; guide pillars b are nested and connected to the outer upper end of each guide pillar a; four guide pillars b are distributed around the inner perimeter of the upper die body, and a punch mechanism is fixed at the bottom center of the upper die body; a vertical rod is installed at the top center of the upper die body; a first positioning plate is provided between two adjacent guide pillars b." When the die contacts the upper surface of the workpiece through the lower surface of the first positioning plate, a second positioning plate with one side inclined will contact the front and rear sides of the workpiece, thus providing dual positioning. However, the second positioning plate of this device has a simple structure, and when processing workpieces of different sizes, the limiting distance cannot be adjusted to meet the processing requirements of different sizes. Therefore, the dual positioning effect of this device is poor. Utility Model Content

[0004] The purpose of this invention is to provide a processing mold with a built-in double limiting structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a processing mold with a built-in double limiting structure, including a base, wherein the base has an internal shaft hole, and the internal shaft hole is rotatably connected to the outer wall of the clamping component;

[0006] The top surface of the base is provided with a T-shaped groove, and the inner wall of the T-shaped groove is slidably connected to the outer wall of the lower mold and the fixed slider.

[0007] The top surface of the base is fixedly connected to the four corners of the base with sliding rods. The top of the sliding rods is fixedly connected to the top plate. The top plate has a pressure hole inside. The inner wall of the pressure hole is slidably connected to the outer wall of the pressure rod. The bottom surface of the pressure rod is fixedly connected to the top surface of the pressure plate. The bottom surface of the pressure plate is fixedly connected to a punch head.

[0008] The pressure plate has sleeves fixedly connected at the four corners inside. The upper surface of the sleeves is fixedly connected to the top of the telescopic spring, and the bottom of the telescopic spring is installed and connected to the top surface of the limiting piece.

[0009] The bottom surface of the limiting plate is fixedly connected to the top surface of the connecting rod, and the bottom surfaces of two adjacent connecting rods are fixedly connected to the top surface of the pressure plate. The pressure plates are symmetrically arranged on both sides of the punching head through the connecting rods.

[0010] The rear side wall of the base is provided with a limiting groove, the inner wall of the limiting groove is slidably connected to the outer wall of the limiting baffle, and the shaft hole is opened through the interior of the base.

[0011] The clamping component includes a bidirectional lead screw, the outer wall of which is rotatably connected to the inner wall of the shaft hole, a handle is fixedly connected to the end of the bidirectional lead screw, the outer wall of which is threadedly connected to the inner wall of the clamping block, and there are two clamping blocks, which are symmetrically arranged at both ends of the bidirectional lead screw.

[0012] The beneficial effects of this utility model are as follows: the lower mold of the device is slidably inserted into the T-shaped groove opened on the top surface of the base through the limiting strip on the outer side wall, which facilitates the replacement of customized lower molds. The handle drives the bidirectional lead screw to rotate, and the bidirectional lead screw drives the clamping blocks on both sides to move along the direction of the bidirectional lead screw, thereby achieving the effect of adjusting the clamping distance to adapt to the processing needs of workpieces of different sizes.

[0013] To achieve the effect of limiting and fixing the lower mold within the T-slot:

[0014] The setting is further configured such that the front side of the fixed slider is in movable contact with the rear side of the lower mold.

[0015] By adopting the above technical solution, after the lower mold is slidably inserted into the T-shaped groove inside the base, the fixing slider is also slidably inserted into the T-shaped groove to limit and fix the lower mold in the T-shaped groove.

[0016] To demonstrate the effect of the mold sliding into the T-shaped groove:

[0017] The lower mold is further configured such that: a limiting strip is fixedly connected around the outer side wall of the lower mold, the outer wall of the limiting strip is slidably connected to the inner wall of the T-shaped groove, and a pressure groove is formed on the top surface of the lower mold.

[0018] By adopting the above technical solution, the lower mold is slidably inserted into the T-shaped groove through the limiting strip on the outer side wall, and the outer wall of the lower mold is tightly fitted with the inner wall of the T-shaped groove.

[0019] To achieve the effect of limiting the sliding of the pressure plate:

[0020] A further configuration is provided: the pressure plate has sliding holes at the four corners, and the inner wall of the sliding hole is slidably connected to the outer wall of the slide rod.

[0021] By adopting the above technical solution, the pressure plate slides along the direction of the slide rod through the sliding hole during the pressing process.

[0022] To achieve the effect of the connecting rod being able to slide back into the sleeve:

[0023] A further configuration is made whereby the outer wall of the limiting piece is slidably connected to the inner wall of the sleeve.

[0024] By adopting the above technical solution, when the bottom surface of the limiting plate contacts and limits the workpiece, the connecting rod can slide back into the sleeve through the limiting plate at the top.

[0025] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 This is a left-side view of the overall structure of this utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the base of this utility model;

[0029] Figure 4 This is a rear view structural diagram of the base of this utility model;

[0030] Figure 5 This is a schematic diagram of the structure of the clamping component of this utility model;

[0031] Figure 6 This is a schematic diagram of the lower mold of this utility model;

[0032] Figure 7 This is a partial cross-sectional view of the pressure plate of this utility model;

[0033] Figure 8 This is a schematic diagram of the connecting rod of this utility model.

[0034] In the diagram: 1. Base; 11. Fixed slider; 12. Limiting groove; 13. Limiting baffle; 14. T-shaped slide groove; 15. Shaft hole; 2. Supporting component; 21. Two-way lead screw; 22. Handle; 23. Clamping block; 3. Lower mold; 31. Limiting strip; 32. Pressing groove; 4. Slide rod; 5. Top plate; 51. Pressing hole; 6. Pressing rod; 7. Pressing plate; 71. Slide hole; 72. Sleeve; 73. Telescopic spring; 8. Connecting rod; 81. Limiting piece; 9. Pressing piece; 10. Punching head. Detailed Implementation

[0035] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.

[0036] Please see Figures 1 to 8 The processing mold with a dual limiting structure includes a base 1, and the base 1 has a shaft hole 15 inside, which is rotatably connected to the outer wall of the clamping part 2.

[0037] The top surface of the base 1 is provided with a T-shaped groove 14, and the inner wall of the T-shaped groove 14 is slidably connected to the outer wall of the lower mold 3 and the fixed slider 11.

[0038] The top surface of the base 1 is fixedly connected to the four corners of the sliding rod 4. The top plate 5 is fixedly connected to the top of the sliding rod 4. The top plate 5 has a pressure hole 51 inside. The inner wall of the pressure hole 51 is slidably connected to the outer wall of the pressure rod 6. The bottom surface of the pressure rod 6 is fixedly connected to the top surface of the pressure plate 7. The bottom surface of the pressure plate 7 is fixedly connected to the punch head 10.

[0039] Inside the pressure plate 7, sleeves 72 are fixedly connected at the four corners. The upper surface of the sleeves 72 is fixedly connected to the top of the telescopic spring 73, and the bottom of the telescopic spring 73 is installed and connected to the top surface of the limiting piece 81.

[0040] The bottom surface of the limiting piece 81 is fixedly connected to the top surface of the connecting rod 8, and the bottom surfaces of two adjacent connecting rods 8 are fixedly connected to the top surface of the pressure plate 9. The pressure plate 9 is symmetrically arranged on both sides of the punch head 10 through the connecting rods 8.

[0041] The rear side wall of the base 1 is provided with a limiting groove 12, the inner wall of the limiting groove 12 is slidably connected to the outer wall of the limiting baffle 13, and the shaft hole 15 is opened through the interior of the base 1.

[0042] The clamping component 2 includes a bidirectional lead screw 21, the outer wall of which is rotatably connected to the inner wall of the shaft hole 15, a handle 22 is fixedly connected to the end of the bidirectional lead screw 21, and the outer wall of the bidirectional lead screw 21 is threadedly connected to the inner wall of the clamping block 23. There are two clamping blocks 23, which are symmetrically arranged at both ends of the bidirectional lead screw 21.

[0043] In this embodiment, as Figure 1 and Figure 2 As shown, the front side of the fixed slider 11 is in contact with the rear side of the lower mold 3.

[0044] In this embodiment, as Figure 3 , Figure 4 and Figure 6As shown, a limiting strip 31 is fixedly connected around the outer side wall of the lower mold 3. The outer wall of the limiting strip 31 is slidably connected to the inner wall of the T-shaped slide groove 14. A pressure groove 32 is provided on the top surface of the lower mold 3.

[0045] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 7 As shown, the pressure plate 7 has sliding holes 71 at the four corners inside, and the inner wall of the sliding hole 71 is slidably connected to the outer wall of the slide rod 4.

[0046] In this embodiment, as Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, the outer wall of the limiting piece 81 is slidably connected to the inner wall of the sleeve 72.

[0047] The working process of this machining mold with its own double limiting structure is as follows:

[0048] First, the workpiece is precisely placed on the top surface of the lower mold 3. The operator rotates the handle 22, causing the bidirectional lead screw 21 to rotate within the shaft hole 15. The bidirectional lead screw 21, through its bidirectional thread on the outer wall, synchronously drives the two clamping blocks 23 to move towards each other along the bidirectional lead screw 21, thus clamping the workpiece. The pressure rod 6 is driven by an external hydraulic system. The pressure rod 6 presses straight down through the pressure hole 51 within the top plate 5. The pressure plate 7 slides smoothly on the slide rod 4 through the sliding hole 71, simultaneously driving the pressure plate 9 and the punch head 10 downward together. When the pressure plate 9 contacts the workpiece, the connecting rod 8 slides into the sleeve 72 through the top limiting piece 81, compressing the telescopic spring 73 inside the sleeve 72, forming a soft... In the stamping mechanism, the stamping head 10 presses into the workpiece, and finally completes precision forming in the pressure groove 32. During the return stroke, the hydraulic system is depressurized, and the pressure plate 7 returns to its original position under the guidance of the slide rod 4. The compressed telescopic spring 73 releases its stored energy and pushes the pressure plate 9 to quickly reset through the limit plate 81, achieving efficient production. By pulling the limit baffle 13 out from the limit groove 12 on the side wall of the base 1 and driving the fixed slider 11 from the T-shaped slide groove 14, the lower mold 3 can slide out along the T-shaped slide groove 14. When installing a new mold, the lower mold 3 is slid into the T-shaped slide groove 14 through the limit strip 31 on the outer side wall by the guide of the T-shaped slide groove 14, which facilitates the replacement of customized molds.

[0049] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0050] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0051] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The above examples are only for the purpose of helping to understand the method and core ideas of this utility model. The above description is only a preferred embodiment of this utility model. It should be noted that due to the limitations of textual expression, there are objectively infinite specific structures. For those skilled in the art, several improvements, modifications, or changes can be made without departing from the principles of this utility model, and the above technical features can also be combined in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without modification, should all be considered within the protection scope of this utility model.

Claims

1. A machining mold with a built-in double limiting structure, including a base (1), characterized in that: The base (1) has a shaft hole (15) inside, and the inside of the shaft hole (15) is rotatably connected to the outer wall of the support member (2); The top surface of the base (1) is provided with a T-shaped groove (14), and the inner wall of the T-shaped groove (14) is slidably connected to the outer wall of the lower mold (3) and the fixed slider (11). The top surface of the base (1) is fixedly connected to the four corners of the sliding rod (4), the top of the sliding rod (4) is fixedly connected to the top plate (5), the top plate (5) has a pressure hole (51) inside, the inner wall of the pressure hole (51) is slidably connected to the outer wall of the pressure rod (6), the bottom surface of the pressure rod (6) is fixedly connected to the top surface of the pressure plate (7), and the bottom surface of the pressure plate (7) is fixedly connected to the punch head (10); The pressure plate (7) has sleeves (72) fixedly connected at the four corners inside. The upper surface of the sleeves (72) is fixedly connected to the top of the telescopic spring (73), and the bottom of the telescopic spring (73) is installed and connected to the top surface of the limiting piece (81). The bottom surface of the limiting piece (81) is fixedly connected to the top surface of the connecting rod (8), and the bottom surfaces of two adjacent connecting rods (8) are fixedly connected to the top surface of the pressure plate (9). The pressure plate (9) is symmetrically arranged on both sides of the punch head (10) through the connecting rods (8). The rear side wall of the base (1) is provided with a limiting groove (12), the inner wall of the limiting groove (12) is slidably connected to the outer wall of the limiting baffle (13), and the shaft hole (15) is opened through the interior of the base (1). The clamping component (2) includes a bidirectional lead screw (21), the outer wall of which is rotatably connected to the inner wall of the shaft hole (15), a handle (22) is fixedly connected to the end of the bidirectional lead screw (21), and the outer wall of the bidirectional lead screw (21) is threadedly connected to the inner wall of the clamping block (23). There are two clamping blocks (23), which are symmetrically arranged at both ends of the bidirectional lead screw (21).

2. The machining mold with a built-in double limiting structure as described in claim 1, characterized in that: The front side of the fixed slider (11) movably abuts against the rear side of the lower mold (3).

3. The machining mold with a built-in double limiting structure as described in claim 1, characterized in that: The lower mold (3) has a limiting strip (31) fixedly connected around the outer side wall. The outer wall of the limiting strip (31) is slidably connected to the inner wall of the T-shaped groove (14). The top surface of the lower mold (3) is provided with a pressure groove (32).

4. The machining mold with a built-in double limiting structure as described in claim 1, characterized in that: The pressure plate (7) has sliding holes (71) at the four corners inside, and the inner wall of the sliding hole (71) is slidably connected to the outer wall of the slide rod (4).

5. The machining mold with a built-in double limiting structure as described in claim 1, characterized in that: The outer wall of the limiting piece (81) is slidably connected to the inner wall of the sleeve (72).