Stripping rod
By designing a die ejector pin and utilizing the threaded connection and the vibration force of a cylindrical hammer, the problems of inconsistent yield and mold damage caused by operational differences in traditional mold opening tools are solved, achieving efficient mold opening with low damage and high yield.
Patent Information
- Application Number
- CN202421703276.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-07-18
AI Technical Summary
Traditional mold opening tools have inconsistent mold opening yields due to differences in operator operation, and there is a risk of mold damage.
A demoulding rod is designed, which includes a demoulding rod body, an upper handrail, a cylindrical hammer, a stopper and a limit column. The demoulding rod is fixed to the mold through a threaded connection, and the mold can be easily opened by utilizing the vibration force of the cylindrical hammer.
The yield rate of mold opening is improved, the operation difficulty is reduced, mold damage is avoided, and the operation is simple and low-cost.
Smart Images

Figure CN223442905U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the die drawing technology field of aluminium mould or steel mould, concretely relates to a die drawing rod. BACKGROUND
[0002] In the process of forming carbon fiber prepreg by hot press tank or oven using aluminium mould or steel mould, the resin glue in the prepreg is preheated and melted, and the upper and lower moulds are tightly pasted together. This inevitably brings trouble to open the mould after forming is completed. The traditional mould opening tool is to install a slot hole on the mould, and after forming is completed, a hammer is used to knock a lever at the slot hole position to complete the opening task of the upper mould. Although this way of opening the mould can open the mould, because of the hammering of the hammer and the different angles between the lever and the mould due to different operators, it leads to a large difference in the good product rate of different operators during mould opening.
[0003] The die drawing rod described in the application can ensure that different operators operate the die drawing rod with consistent good product rate, reduce the technical difficulty of mould opening, and improve the good product rate.
[0004] Therefore, it is necessary to invent a die drawing rod to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a die drawing rod to solve the problem of damage to the mould during die drawing of aluminium mould or steel mould.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a die drawing rod, which comprises a die drawing rod main body, an upper handrail, a cylindrical hammer, a stop portion, a limiting column and a threaded portion, a plurality of mould main bodies which are in shape fit with the inner wall of the mould cavity are uniformly arranged in the mould cavity, a die drawing hole is formed in each of the mould main bodies, the die drawing hole is matched with the threaded portion, the upper end of the die drawing rod main body is fixedly provided with the upper handrail, the cylindrical hammer is slidably sleeved on the die drawing rod main body, the bottom of the die drawing rod main body is fixedly provided with the stop portion, the bottom of the stop portion is provided with the limiting column, and the bottom of the limiting column is provided with the threaded portion.
[0007] Preferably, the threaded portion can be completely inserted into the die drawing hole, and the stop portion can be in contact with the surface of the die drawing hole.
[0008] Preferably, the cylindrical hammer can be slidably moved between the stop portion and the upper handrail, and the cylindrical hammer is made of stainless steel.
[0009] Preferably, the diameter of the upper handrail is greater than the diameter of the die drawing rod main body, and the upper handrail is rough and anti-skid.
[0010] Preferably, the die drawing rod main body is made of stainless steel and has a smooth surface.
[0011] Preferably, the height of the limiting column is the same as that of the stop portion, and the diameter of the stop portion is twice that of the limiting column.
[0012] Preferably, the threaded portion is matched with the thread of the stripping hole.
[0013] In the above technical solution, the technical effect and advantages of the present application are provided:
[0014] 1. The present application has a threaded end on the stripping rod body, which can be screwed onto the mold to be opened, and the rough surface at the other end of the stripping rod body allows the operator to easily rotate and tighten it with the stripping hole, which is simple in design and easy to operate.
[0015] 2. The present application has a cylindrical hammer in the middle of the stripping rod, which can move up and down on the rod, and when the stripping rod is tightened to the mold body, the cylindrical hammer can be used as a support handrail, and when the mold body is opened, the cylindrical hammer hits the upper handrail of the stripping rod to remove the mold to be opened from the mold cavity. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 The present application is a schematic diagram of the overall structure;
[0017] Fig. 2 The present application is a schematic diagram of the overall structure;
[0018] Fig. 3 The present application is a schematic diagram of the overall structure;
[0019] Fig. 4 The present application is a schematic diagram of the overall structure;
[0020] Fig. 5 The present application is a schematic diagram of the overall structure;
[0021] REFERENCE SIGNS:
[0022] 1. Mold cavity; 2. Mold body; 3. Stripping hole; 4. Stripping rod body; 5. Upper handrail; 6. Cylindrical hammer; 7. Stop portion; 8. Limiting column; 9. Threaded portion. DETAILED DESCRIPTION
[0023] In order to make the skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.
[0024] The utility model provides a kind of ejection rod as shown in Figs. 1-3 A kind of ejection rod, including ejection rod main body 4, upper handrail 5, cylindrical hammer 6, stop portion 7, limiting column 8 and screw portion 9, multiple with the shape of the die cavity 1 inner wall and the die main body 2 of sticking to each other are evenly arranged in the die cavity 1, the die main body 2 is all set with ejection hole 3, ejection hole 3 is adapted with screw portion 9, the upper end of ejection rod main body 4 is fixedly set upper handrail 5, cylindrical hammer 6 is slidably sleeved on ejection rod main body 4, the bottom of ejection rod main body 4 is fixedly set stop portion 7, limiting column 8 is set in the bottom of stop portion 7, and screw portion 9 is set in the bottom of limiting column 8.
[0025] Screw portion 9 at the bottom of ejection rod main body 4 can be completely rotated into ejection hole 3 and be fixed with die main body 2, and the die main body 2 is taken out from the die cavity 1 by the way of knocking cylindrical hammer 6 upward.
[0026] Screw portion 9 can be completely inserted into ejection hole 3, and stop portion 7 can be in contact with the surface of ejection hole 3, and cylindrical hammer 6 can be slidably moved between stop portion 7 and upper handrail 5, cylindrical hammer 6 is made of stainless steel, the diameter of upper handrail 5 is greater than the diameter of ejection rod main body 4, and upper handrail 5 is rough anti-skid particles.
[0027] Cylindrical hammer 6 can move up and down within the range of ejection rod main body 4, and after fixing screw portion 9 at the bottom into ejection hole 3, continuously knocking the position of upper handrail 5 upward can generate a vibration and upward lifting force, so that the mold can be easily removed and taken out.
[0028] Ejection rod main body 4 is made of stainless steel, and the surface is smooth, the height of limiting column 8 is the same as that of stop portion 7, the diameter of stop portion 7 is twice that of limiting column 8, and screw portion 9 is matched with ejection hole 3 in thread.
[0029] The smooth surface of ejection rod main body 4 can minimize the friction when cylindrical hammer 6 slides up and down, and increase the knocking force.
[0030] The utility model discloses a kind of working principles:
[0031] Refer to the drawings in the specification Figs. 1-3 When using the utility model, first, the ejection hole 3 on the die main body 2 that has been formed is aligned with the screw portion 9 at the bottom of ejection rod main body 4, and after alignment, it is rotated into ejection hole 3, so that ejection rod main body 4 is fixed with die main body 2.
[0032] Refer to the drawings in the specification Figs. 3-5 When using the utility model, after being fixed, vibration force is generated by continuously knocking upper handrail 5 upward, and the die main body 2 is easily taken out from the die cavity 1, which is convenient to operate and more convenient for manual mold taking.
[0033] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A ejector pin, characterized in that: The invention comprises a die ejection rod body (4), an upper handrail (5), a cylindrical hammer (6), a stopper (7), a limiting column (8) and a threaded portion (9); a plurality of die bodies (2) are evenly arranged in a die cavity (1) and are in contact with the inner wall of the die cavity (1); a die ejection hole (3) is provided on each die body (2); the die ejection hole (3) is matched with the threaded portion (9); the upper handrail (5) is fixedly arranged on the top of the die ejection rod body (4); the cylindrical hammer (6) is slidably sleeved on the die ejection rod body (4); the stopper (7) is fixedly arranged on the bottom of the die ejection rod body (4); a limiting column (8) is arranged at the bottom of the stopper (7); and a threaded portion (9) is arranged at the bottom of the limiting column (8).
2. The ejector pin according to claim 1, wherein: The threaded portion (9) can completely extend into the die-drawing hole (3), and the stop portion (7) can contact the surface of the die-drawing hole (3).
3. The ejector pin according to claim 2, wherein: The cylindrical hammer (6) can slide and move within a distance between the stop portion (7) and the upper handrail (5), and the cylindrical hammer (6) is made of stainless steel.
4. The ejector pin according to claim 1, wherein: The diameter of the upper handrail (5) is greater than the diameter of the ejector rod body (4), and the upper handrail (5) is made of rough anti-skid particles.
5. The ejector pin according to claim 4, wherein: The ejector rod body (4) is made of stainless steel and has a smooth surface.
6. The ejector pin according to claim 1, wherein: The height of the limiting column (8) is the same as that of the stop portion (7), and the diameter of the stop portion (7) is twice that of the limiting column (8).
7. The ejector pin according to claim 2, wherein: The threaded portion (9) matches the thread of the die-cutting hole (3).