Shaping tool for spring eye of plate spring
By designing a plastic shaping tool for leaf spring rolling ears, using the combination of the lower mold and the upper mold, the overall shaping of the leaf spring rolling ears is achieved, which solves the problem of difficult to control the gap size of the leaf spring rolling ears and improves the life of the leaf spring.
Patent Information
- Application Number
- CN202420944312.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The gap size of the leaf spring roll ear is difficult to control and consistently, which affects the quenching and inclusion shot blasting process, resulting in a shortening of the leaf spring life.
A plastic shaping tool for leaf spring rolling ears is designed, including a base, a lower mold, an upper mold and a template. Through the combination of the lower mold and the upper mold, the external execution equipment is used to drive the template and the upper mold downward to realize the overall shaping of the leaf spring rolling ears.
The size consistency of the leaf spring roll ear is effectively controlled, and the oil flowability of quenching and inclusion shot blasting and the distribution uniformity of steel balls are improved, thereby extending the life of the leaf spring.
Smart Images

Figure CN222778640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of leaf spring ear processing, in particular to a shaping tool for leaf spring ear. Background Art
[0002] After the leaf spring ears are rolled, the gaps at different locations of the leaf spring ears vary in size, and it is difficult to control and ensure a uniform size. If the gaps at the ears are too large or too small, it will affect the oil fluidity during quenching and the inclusion of steel shots during shot blasting, affecting the hardenability during quenching and the inclusion of steel shots causing fatigue damage to the leaf spring ears, thereby affecting the life of the leaf spring. Utility Model Content
[0003] The utility model aims to realize the control of the size of the coiled ears of a leaf spring and provides a shaping tool for the coiled ears of a leaf spring.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A shaping tool for leaf spring ears, comprising:
[0006] A base, the base is in a square structure and is provided with a mounting groove;
[0007] A lower mold, the lower mold is arranged in the installation groove, and the lower mold is detachably connected to the base in the installation groove;
[0008] The top of the lower mold is provided with a lower groove, the lower groove is in an arc shape with an opening upward, and the top of the lower mold is also provided with a lower inclined surface, one end of the lower inclined surface is connected to the lower groove, and the lower inclined surface gradually goes downward from the lower groove;
[0009] A template, the template is a square structure, and the template is arranged above the base;
[0010] An upper mold, the top end of which is detachably connected to the template;
[0011] Wherein, an upper groove is arranged at the bottom end of the upper mold, the upper groove is in an arc shape with an opening facing downward, and the upper groove is arranged opposite to the lower groove;
[0012] In addition, an upper inclined surface is also provided on the top of the upper mold, one end of the upper inclined surface is connected to the upper groove, and the upper inclined surface gradually descends from the upper groove.
[0013] In some embodiments, the shaping tool further comprises:
[0014] A positioning component is arranged between the base and the template, and the positioning component is located on both sides of the upper mold and the lower mold to ensure the reliability of the alignment of the upper mold and the lower mold.
[0015] In some embodiments, the positioning component includes:
[0016] Two positioning sleeves, the two positioning sleeves are arranged at the bottom end of the template, and the two positioning sleeves are symmetrically arranged on both sides of the upper mold;
[0017] Two positioning posts, the two positioning posts are arranged at the top end of the base, the two positioning posts are symmetrically arranged on both sides of the lower mold, and the two positioning posts are located below the opening of the positioning sleeve.
[0018] In some embodiments, the positioning component further includes:
[0019] Two mounting pieces, one end of the two mounting pieces is detachably connected to the template, and the other end of the two mounting pieces is connected to the top end of the positioning sleeve;
[0020] Two installation sleeves, one end of the two installation sleeves is detachably connected to the base, and the other end of the two installation sleeves is connected to the bottom end of the positioning column.
[0021] In some embodiments, the shaping tool further comprises:
[0022] An execution device is arranged at the top of the template, and is used to drive the template and the upper mold to move downward.
[0023] In some embodiments, the execution device operates in any of hydraulic, pneumatic, and electric modes.
[0024] In some embodiments, the shaping tool further comprises:
[0025] A connecting piece, one end of which is connected to the execution device, and the other end of which is detachably connected to the top end of the template.
[0026] In some embodiments, the other end of the connector is detachably connected to the top end of the template via threads.
[0027] The beneficial effects of the utility model are:
[0028] In the embodiment of the utility model, the lower groove on the lower die and the upper groove on the upper die are used to shape the leaf spring ears as a whole through an external execution device, so as to accurately control the size of the leaf spring ears after processing. That is, the purpose of uniformly controlling the size of the leaf spring ears after processing is effectively achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Figure 1 This is a schematic diagram of a shaping tool structure for a leaf spring ear provided in an embodiment of the utility model;
[0030] Figure 2 The utility model is provided in an embodiment of the present invention.
[0031] The markings in the figure are as follows:
[0032] 1. Base; 11. Mounting sleeve; 12. Positioning column; 13. Mounting slot;
[0033] 2. lower die; 21. lower inclined surface; 22. lower groove;
[0034] 3. Upper mold; 31. Upper bevel; 32. Upper groove;
[0035] 4. Template; 41. Connecting piece; 42. Positioning sleeve; 421. Mounting piece. DETAILED DESCRIPTION
[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0037] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0038] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0040] Example
[0041] Reference Figure 1 and Figure 2In order to realize the unified control of the size of the leaf spring ears after processing, the utility model provides a shaping tool for leaf spring ears in this embodiment, and the shaping tool comprises: a base 1, an upper die 3, a lower die 2 and a template 4. The base 1 is a square structure, and a mounting groove 13 is provided on the base 1, and the mounting groove 13 is used to install the lower die 2. The lower die 2 is arranged in the mounting groove 13, and the lower die 2 can be detachably connected to the base 1 in the mounting groove 13 through a positioning pin. A lower groove 22 is provided on the top of the lower die 2, and the lower groove 22 is in an arc shape with an opening upward to adapt to the shape of the leaf spring ears. A lower inclined surface 21 is also provided on the top of the lower die 2, and one end of the lower inclined surface 21 is connected to the lower groove 22, and the lower inclined surface 21 gradually moves downward from the lower groove 22 to achieve the shaping of the leaf spring ears and the transverse surface of the leaf spring in accordance with the fit. The template 4 is a square structure, and the template 4 is arranged above the base 1. The template 4 is used to install the upper mold 3, that is, the bottom end of the template 4 can also be provided with a mounting groove 13 (not shown in the figure), and the upper mold 3 and the template 4 can also be detachably connected by a positioning pin or a bolt. The top of the upper mold 3 is detachably connected to the template 4, and the bottom end of the upper mold 3 is provided with an upper groove 32, and the upper groove 32 is in an arc shape with an opening downward, and the upper groove 32 is arranged relative to the lower groove 22 to adapt to the shape of the leaf spring ear for ear shaping. The top of the upper mold 3 is also provided with an upper inclined surface 31, one end of the upper inclined surface 31 is connected to the upper groove 32, and the upper inclined surface 31 gradually goes downward from the upper groove 32, that is, the lower inclined surface 21 and the upper inclined surface 31 are parallel and consistent with each other, so as to achieve the fitting of the leaf spring ear and the horizontal surface of the leaf spring for shaping. In this embodiment, the leaf spring ears are integrally shaped by using the lower groove 22 on the lower die 2 and the upper groove 32 on the upper die 3 through an external execution device, so as to accurately control the size of the leaf spring ears after processing. That is, the purpose of uniformly controlling the size of the leaf spring ears after processing is effectively achieved.
[0042] In this embodiment, in order to ensure the reliability of the alignment of the upper mold 3 and the lower mold 2, the shaping tool also includes: a positioning component, the positioning component is arranged between the base 1 and the template 4, and the positioning component is located on both sides of the upper mold 3 and the lower mold 2, so as to ensure the reliability of the alignment of the upper mold 3 and the lower mold 2. Specifically, the positioning component includes: two positioning sleeves 42 and two positioning columns 12. The two positioning sleeves 42 are arranged at the bottom end of the template 4, and the two positioning sleeves 42 are symmetrically arranged on both sides of the upper mold 3. The two positioning columns 12 are arranged at the top of the base 1, and the two positioning columns 12 are symmetrically arranged on both sides of the lower mold 2, and the two positioning columns 12 are located below the opening of the positioning sleeve 42, so as to guide the movement direction between the upper mold 3 and the lower mold 2 by using the positioning sleeve 42 and the positioning column 12, so as to ensure the reliability of the alignment of the upper mold 3 and the lower mold 2. In this embodiment, in order to facilitate the replacement of the positioning component. The positioning component also includes: two mounting parts 421 and two mounting sleeves 11. One end of the two mounting members 421 is detachably connected to the template 4, and the other end of the two mounting members 421 is connected to the top of the positioning sleeve 42. One end of the two mounting sleeves 11 is detachably connected to the base 1, and the other end of the two mounting sleeves 11 is connected to the bottom end of the positioning column 12. That is, the positioning column 12 is detachably connected to the base 1 through the mounting sleeve 11, and the positioning sleeve 42 is detachably connected to the template 4 through the mounting member 421.
[0043] In this embodiment, in order to facilitate the shaping of the leaf spring ears by the shaping tool, the shaping tool also includes: an execution device (not shown in the figure), which is arranged at the top of the template 4, and is used to drive the template 4 and the upper mold 3 to move downward, so as to shape the leaf spring ears by the upper mold 3 and the lower mold 2. In some embodiments, the execution device can be any one of hydraulic, pneumatic, and electric. Preferably, the execution device can be a hydraulic telescopic rod, a pneumatic telescopic rod, or an electric telescopic rod, so as to drive the upper mold 3 and the lower mold 2 to shape the leaf spring ears.
[0044] In this embodiment, in order to ensure that the connection between the execution device and the template 4 is stable and easy to replace, the execution device and the template 4 are detachably connected through a connector 41. Specifically, one end of the connector 41 is connected to the execution device, and the other end of the connector 41 is detachably connected to the top of the template 4. Preferably, the other end of the connector 41 is detachably connected to the top of the template 4 through a thread. That is, the connector 41 or the template 4 is provided with an external thread, and the template 4 or the connector 41 is provided with an internal thread.
[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A shaping tool for leaf spring ears, characterized in that: include: A base, the base is in a square structure and is provided with a mounting groove; A lower mold, the lower mold is arranged in the installation groove, and the lower mold is detachably connected to the base in the installation groove; The top of the lower mold is provided with a lower groove, the lower groove is in an arc shape with an opening upward, and the top of the lower mold is also provided with a lower inclined surface, one end of the lower inclined surface is connected to the lower groove, and the lower inclined surface gradually goes downward from the lower groove; A template, the template is a square structure, and the template is arranged above the base; An upper mold, the top end of which is detachably connected to the template; Wherein, an upper groove is arranged at the bottom end of the upper mold, the upper groove is in an arc shape with an opening facing downward, and the upper groove is arranged opposite to the lower groove; In addition, an upper inclined surface is also provided on the top of the upper mold, one end of the upper inclined surface is connected to the upper groove, and the upper inclined surface gradually descends from the upper groove.
2. A shaping tool for leaf spring ears according to claim 1, characterized in that: The shaping tool also includes: A positioning component is arranged between the base and the template, and the positioning component is located on both sides of the upper mold and the lower mold to ensure the reliability of the alignment of the upper mold and the lower mold.
3. A shaping tool for leaf spring ears according to claim 2, characterized in that: The positioning component comprises: Two positioning sleeves, the two positioning sleeves are arranged at the bottom end of the template, and the two positioning sleeves are symmetrically arranged on both sides of the upper mold; Two positioning posts, the two positioning posts are arranged at the top end of the base, the two positioning posts are symmetrically arranged on both sides of the lower mold, and the two positioning posts are located below the opening of the positioning sleeve.
4. A shaping tool for leaf spring ears according to claim 3, characterized in that: The positioning component also includes: Two mounting pieces, one end of the two mounting pieces is detachably connected to the template, and the other end of the two mounting pieces is connected to the top end of the positioning sleeve; Two installation sleeves, one end of the two installation sleeves is detachably connected to the base, and the other end of the two installation sleeves is connected to the bottom end of the positioning column.
5. A shaping tool for leaf spring ears according to any one of claims 1 to 4, characterized in that: The shaping tool also includes: An execution device is arranged at the top of the template, and is used to drive the template and the upper mold to move downward.
6. A shaping tool for leaf spring ears according to claim 5, characterized in that: The working mode of the execution device is any one of hydraulic, pneumatic and electric.
7. A shaping tool for leaf spring ears according to claim 6, characterized in that: The shaping tool also includes: A connecting piece, one end of which is connected to the execution device, and the other end of which is detachably connected to the top end of the template.
8. A shaping tool for leaf spring ears according to claim 7, characterized in that: The other end of the connecting piece is detachably connected to the top end of the template via a thread.