Belt pulley production die
By designing the buffer structure in the pulley production mold, using the combination of reserved holes and buffer springs, the problem of unstable mold placement is solved, and a more stable mold combination and higher production precision is achieved.
Patent Information
- Application Number
- CN202421634967.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The pulley production mold is unstable when placed, resulting in displacement of the inner groove of the pulley and affecting the production precision.
The buffer structure is designed, including reserved holes and buffer springs, and the adaptation of the limit columns to the reserved holes is achieved to achieve the stability and buffering effect of the mold when placed.
Through the design of the buffer structure, the mold is more stable when placed, avoiding the displacement of the inner groove of the pulley and improving the production precision.
Smart Images

Figure CN222875419U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pulley production, and in particular relates to a pulley production mold. Background Art
[0002] Pulleys are disc hub parts, which are generally relatively large in size. The manufacturing process is generally based on casting and forging. Pulleys are mainly used in situations where power is transmitted over long distances, such as the output of small diesel engines, agricultural vehicles, tractors, automobiles, mining machinery, mechanical processing equipment, textile machinery, packaging machinery, some small horsepower motorcycle power transmission, agricultural machinery power transmission, air compressors, reducers, reducers, generators, cotton gins, etc. The industries involved are very wide. When producing pulleys, a pulley production mold is involved.
[0003] When the pulley production mold is working and the mold is combined together, the impact force will cause the inner groove of the pulley to displace, making the pulley production not exquisite. Therefore, the designed buffer structure can not only make the mold more stable when combined, but also has a buffering effect, making the pulley production more exquisite. Utility Model Content
[0004] The utility model provides a pulley production mold, aiming to solve the problem that the pulley production mold is unstable when being placed.
[0005] The utility model is implemented as follows: a pulley production mold comprises a first mold, a second mold is arranged at the top of the first mold, a mold groove is arranged inside the top of the first mold, an ejection structure is arranged inside the bottom of the first mold, and buffer structures are arranged inside both sides of the top of the first mold;
[0006] The buffer structure includes a reserved hole, which is arranged inside both sides of the top of the first mold. A buffer spring is fixed to the bottom of the reserved hole, a fixing plate is fixed to the top of the buffer spring, and a limiting column is arranged inside the top of the reserved hole.
[0007] Preferably, two groups of buffer springs are provided, and the two groups of buffer springs are symmetrically distributed about the central axis of the reserved hole.
[0008] Preferably, the inner diameter of the reserved hole is larger than the outer diameter of the limiting column, and the reserved hole is adapted to the limiting column.
[0009] Preferably, the ejection structure includes a reserved groove, which is arranged inside the first mold, an electric telescopic rod is installed at the bottom end of the reserved groove, a limiting groove is arranged at the top end of the reserved groove, and a top plate is arranged inside the limiting groove.
[0010] Preferably, a plurality of the electric telescopic rods are provided, and the plurality of the electric telescopic rods are distributed at equal intervals at the bottom ends inside the reserved groove.
[0011] Preferably, the inner diameter of the limiting groove is greater than the outer diameter of the top plate, and the limiting groove and the top plate form a snap-fit structure.
[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:
[0013] By setting up a buffer structure, two groups of reserved holes are provided, which are symmetrically arranged inside the two sides of the first mold, and two groups of limiting columns are provided, which are symmetrically fixed on both sides of the bottom end of the second mold. By adapting the reserved holes to the limiting columns, when the second mold is placed on the top of the first mold, the limiting columns are limited inside the reserved holes, and then the second mold is buffered by the buffer spring, so that the mold is more stable when placed.
[0014] By setting up the ejection structure and distributing the electric telescopic rods at equal intervals, the ejector plate is clamped inside the limiting groove, and the top end of the electric telescopic rod is fixed to the bottom end of the ejector plate, so that the electric telescopic rod can push the ejector plate to move when started, so that the ejector plate can eject the pulley inside the mold groove, making it convenient to take the pulley. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0016] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 3 The utility model Figure 1 The enlarged structural diagram at A in the middle;
[0018] Figure 4 This is a partial three-dimensional structural diagram of the ejection structure of the utility model.
[0019] In the figure: 1. first mold; 2. mold groove; 3. second mold; 4. buffer structure; 401. reserved hole; 402. limiting column; 403. fixing plate; 404. buffer spring; 5. ejection structure; 501. electric telescopic rod; 502. reserved groove; 503. ejector plate; 504. limiting groove. DETAILED DESCRIPTION
[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.
[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0022] The utility model embodiment provides a pulley production mold, such as Figure 1-4 As shown, it includes a first mold 1, a second mold 3 is arranged at the top of the first mold 1, a mold groove 2 is arranged inside the top of the first mold 1, an ejection structure 5 is arranged inside the bottom of the first mold 1, and a buffer structure 4 is arranged inside both sides of the top of the first mold 1.
[0023] It should be noted that due to the problem that the pulley production mold is unstable when placed, this solution sets a buffer structure 4, and two groups of reserved holes 401 are set, which are symmetrically arranged inside the two sides of the first mold 1, and two groups of limiting columns 402 are set, which are symmetrically fixed on both sides of the bottom of the second mold 3. By matching the reserved holes 401 with the limiting columns 402, when the second mold 3 is placed on the top of the first mold 1, the limiting columns 402 are limited inside the reserved holes 401, and then the second mold 3 is buffered by the buffer spring 404, so that the mold is more stable when placed.
[0024] Specifically, in this embodiment, this scheme mainly includes a buffer structure 4, which includes a reserved hole 401, which is arranged inside the two sides of the top of the first mold 1, a buffer spring 404 is fixed at the bottom end of the reserved hole 401, a fixing plate 403 is fixed at the top of the buffer spring 404, and a limiting column 402 is arranged inside the top of the reserved hole 401. First, the reserved holes 401 are symmetrically opened inside the two sides of the first mold 1, and then the buffer spring 404 is symmetrically fixed at the bottom end of the reserved hole 401, and then the fixing plate 403 is fixed to the top of the buffer spring 404, and then the limiting column 402 is symmetrically fixed to the bottom end of both sides of the second mold 3, and the second mold 3 is placed on the top of the first mold 1, so that the limiting column 402 is correspondingly limited inside the reserved hole 401, so that the first mold 1 and the second mold 3 have a buffering and limiting effect when they overlap.
[0025] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 and Figure 3 As shown, two groups of buffer springs 404 are provided, and the two groups of buffer springs 404 are symmetrically distributed about the central axis of the reserved hole 401. The inner diameter of the reserved hole 401 is larger than the outer diameter of the limiting column 402. The reserved hole 401 is adapted to the limiting column 402. The symmetrical distribution of the buffer springs 404 makes the buffering effect of the buffer springs 404 better. The reserved hole 401 is adapted to the limiting column 402, so that the limiting column 402 can be limited inside the reserved hole 401 to limit the second mold 3.
[0026] Specifically, in this embodiment, this scheme mainly includes an ejection structure 5, which includes a reserved groove 502, which is arranged inside the first mold 1, and an electric telescopic rod 501 is installed at the bottom end of the reserved groove 502, and a limiting groove 504 is arranged at the top of the reserved groove 502, and a top plate 503 is arranged inside the limiting groove 504. First, the reserved groove 502 is opened inside the first mold 1, and then the limiting groove 504 is opened at the top of the reserved groove 502, and then the electric telescopic rod 501 is installed at the bottom end of the reserved groove 502 at equal intervals, and the top plate 503 is placed inside the limiting groove 504, so that the top end of the electric telescopic rod 501 is fixed to the bottom end of the top plate 503, so that the electric telescopic rod 501 can drive the top plate 503 to move when starting, so as to eject the processed pulley, and facilitate the removal of the pulley.
[0027] In a further preferred embodiment of the present invention, Figure 1 and Figure 4As shown, a plurality of electric telescopic rods 501 are provided, and the plurality of electric telescopic rods 501 are evenly spaced at the bottom end of the reserved groove 502. The inner diameter of the limiting groove 504 is larger than the outer diameter of the top plate 503. The limiting groove 504 and the top plate 503 form a snap-fit structure. Through the uniform distribution of the electric telescopic rods 501, the electric telescopic rods 501 can evenly push out the top plate 503. The snap-fit structure of the limiting groove 504 and the top plate 503 facilitates limiting the top plate 503.
[0028] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.
[0029] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.
[0030] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0031] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.
Claims
1. A pulley production mold, characterized in that: The invention comprises a first mold (1), a second mold (3) is arranged at the top of the first mold (1), a mold groove (2) is arranged inside the top of the first mold (1), an ejection structure (5) is arranged inside the bottom of the first mold (1), and buffer structures (4) are arranged inside both sides of the top of the first mold (1); The buffer structure (4) comprises a reserved hole (401), wherein the reserved hole (401) is arranged inside both sides of the top of the first mold (1), a buffer spring (404) is fixed at the bottom end of the reserved hole (401), a fixing plate (403) is fixed at the top of the buffer spring (404), and a limiting column (402) is arranged inside the top of the reserved hole (401).
2. A pulley production mold according to claim 1, characterized in that: The buffer springs (404) are provided in two groups, and the two groups of buffer springs (404) are symmetrically distributed about the central axis of the reserved hole (401).
3. A pulley production mold according to claim 1, characterized in that: The inner diameter of the reserved hole (401) is greater than the outer diameter of the limiting column (402), and the reserved hole (401) is adapted to the limiting column (402).
4. A pulley production mold according to claim 1, characterized in that: The ejection structure (5) comprises a reserved groove (502), the reserved groove (502) being arranged inside the first mould (1), an electric telescopic rod (501) being installed at the bottom end inside the reserved groove (502), a limiting groove (504) being arranged at the top end of the reserved groove (502), and a top plate (503) being arranged inside the limiting groove (504).
5. A pulley production mold as claimed in claim 4, characterized in that: A plurality of the electric telescopic rods (501) are provided, and the plurality of the electric telescopic rods (501) are distributed at equal intervals at the bottom ends inside the reserved groove (502).
6. A pulley production mold as claimed in claim 4, characterized in that: The inner diameter of the limiting groove (504) is greater than the outer diameter of the top plate (503), and the limiting groove (504) and the top plate (503) form a snap-fit structure.