Automobile plate spring punching device
By designing the housing, punching mechanism, and air extraction components of the automotive leaf spring punching device, and utilizing negative pressure suction and a partition plate structure, the problem of waste residue was solved, the processing accuracy and pass rate were improved, and the cleaning process was simplified.
Patent Information
- Application Number
- CN202422361278.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-09-27
AI Technical Summary
Existing punching equipment typically does not process the waste after machining automotive leaf springs, resulting in waste residue remaining at the installation location of the leaf springs, affecting the machining accuracy and pass rate of the next batch of automotive leaf springs.
A punching device for automotive leaf springs was designed, including a housing, a punching mechanism, an air extraction component, and a partition plate. By setting clearance holes and partition plates in the housing, waste debris is cleaned into the housing by negative pressure suction. Magnetic suction components and filter covers prevent waste debris from entering the air extraction component, increasing the difficulty of moving waste debris to the air extraction component.
It effectively cleaned up waste chips, reduced the impact of waste chips on the processing of automotive leaf springs, improved processing accuracy and pass rate, prevented blockage of the air extraction components, and simplified the waste chip cleaning process.
Smart Images

Figure CN223531224U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive leaf spring punching technology, specifically to an automotive leaf spring punching device. Background Technology
[0002] Automotive leaf springs are the most traditional elastic element in automotive suspension systems, offering advantages such as high reliability, simple structure, short manufacturing process, low cost, and significant structural simplification. An automotive leaf spring is composed of multiple steel plates of unequal length and uniform curvature stacked together. After installation, both ends naturally bend upwards. When the road impacts the wheels, the steel plates deform, providing cushioning and vibration damping. When arranged longitudinally, they also guide and transmit force. Non-independent suspensions mostly use leaf springs as the elastic element, eliminating the need for guiding devices and shock absorbers, resulting in a simpler structure.
[0003] During the installation of automotive leaf springs, they need to be punched. However, current punching equipment usually does not process the waste after processing the automotive leaf springs. This waste remains at the installation position of the automotive leaf springs, which affects the processing of the next automotive leaf spring and results in insufficient precision of the next automotive leaf spring, thus reducing the pass rate of automotive leaf springs. Utility Model Content
[0004] In view of the above-mentioned problems in the existing technology, the technical problem to be solved by this utility model is that the current punching device usually does not process the waste after processing the automotive leaf spring, resulting in the waste remaining at the installation position of the automotive leaf spring, which affects the processing of the next automotive leaf spring.
[0005] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: a punching device for automotive leaf springs, comprising:
[0006] The housing has a leaf spring placement groove on its upper surface; and the leaf spring placement groove has an clearance hole that communicates with the housing.
[0007] The punching mechanism can punch holes in the automotive leaf springs in the leaf spring placement slot;
[0008] An exhaust device is installed at the top of the housing, and the exhaust device faces outwards to draw air from the housing; and
[0009] A partition plate is installed inside the box. One end of the partition plate is installed at the top of the box, and the other end of the partition plate has a gap with the bottom of the box. The partition plate is located between the air extraction component and the clearance hole.
[0010] Preferably, the clearance hole is located at the lowest end of the leaf spring placement groove.
[0011] Preferably, the end of the clearance hole near the inner side of the housing is flared.
[0012] Preferably, a filter cover is installed inside the housing to cover the air extraction component.
[0013] Preferably, it also includes a magnetic suction element, which is located at the bottom of the housing.
[0014] Preferably, the partition plate is inclined toward the magnetic attractor.
[0015] Preferably, the housing is provided with a cleaning door, and the magnetic suction device is installed on the cleaning door.
[0016] Preferably, the punching mechanism includes: a frame, a punching cylinder, and a punching head; the punching cylinder is mounted on the housing via the frame, and the punching cylinder is located above the leaf spring placement slot; the output end of the punching cylinder is equipped with a punching head, and the extension direction of the output end of the punching cylinder is coaxial with the clearance hole.
[0017] Preferably, it also includes an arc-shaped shield, which is mounted on the punching cylinder and oriented toward the punching head.
[0018] Preferably, it also includes a nozzle that communicates with the air outlet of the air extraction component, the nozzle being mounted on the housing and facing the leaf spring placement groove.
[0019] Compared with the prior art, the present invention has at least the following advantages:
[0020] 1. In this utility model, the automotive leaf spring is placed in the leaf spring placement slot, and then the punching mechanism is started to punch the automotive leaf spring. After the punching is completed, the air extraction component is controlled to operate, and the air extraction component extracts the gas in the box, so that a negative pressure is generated in the box. The negative pressure draws the waste material near the punching hole in the leaf spring placement slot into the box through the punching, so as to clean up the waste material in time and reduce the impact of waste material on the processing of automotive leaf spring.
[0021] 2. In this utility model, by setting the partition plate, the clearance hole and the air extraction component are separated, increasing the distance that the waste debris needs to move to the air extraction component. The waste debris falls directly to the bottom of the box, so that the waste debris needs to overcome its own gravity to move to the air extraction component, increasing the difficulty of the waste debris moving to the air extraction component, thereby effectively preventing the waste debris from entering the air extraction component and blocking the air extraction component. Attached Figure Description
[0022] To more clearly illustrate the specific embodiments of this utility model, the accompanying drawings used in the specific embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to scale.
[0023] Figure 1This is a schematic diagram of the structure of an automotive leaf spring punching device provided in an embodiment of the present invention.
[0024] Attached reference numerals: 1-box body, 2-leaf spring placement slot, 3-avoidance hole, 4-extraction component, 5-partition plate, 6-filter cover, 7-magnetic component, 8-cleaning door, 9-frame, 10-punching cylinder, 11-punching head, 12-arc shield, 13-nozzle. Detailed Implementation
[0025] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.
[0026] In this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0028] See Figure 1The present invention provides an embodiment of an automotive leaf spring punching device, comprising: a housing 1, a punching mechanism, an air extraction component 4, and a partition plate 5; a leaf spring placement groove 2 is provided on the upper end face of the housing 1; and a clearance hole 3 is provided in the leaf spring placement groove 2, which communicates with the housing 1; furthermore, the clearance hole 3 is located at the lowest end of the leaf spring placement groove 2; so that waste chips can effectively slide into the clearance hole 3 under their own gravity and fall into the housing 1 for collection; furthermore, the clearance hole 3 The end near the inner side of the housing 1 is flared to facilitate the discharge of waste in the clearance hole 3; the punching mechanism can punch holes in the automotive leaf spring on the leaf spring placement slot 2; the air extraction component 4 is installed at the top inside the housing 1 and faces outwards to extract air; specifically, the air extraction component 4 can be an air pump; the partition plate 5 is set inside the housing 1, one end of the partition plate 5 is installed at the top inside the housing 1, and the other end of the partition plate 5 has a gap with the bottom inside the housing 1; the partition plate 5 is located between the air extraction component 4 and the clearance hole 3.
[0029] In practice, the automotive leaf spring is placed in the leaf spring placement slot 2, and then the punching mechanism is activated to punch holes in the automotive leaf spring. After punching, the air extraction component 4 is activated to extract the gas from the housing 1, creating a negative pressure inside the housing 1. This negative pressure draws waste debris near the punching holes in the leaf spring placement slot 2 into the housing 1, cleaning the waste debris in a timely manner and reducing its impact on the processing of the automotive leaf spring. Furthermore, the partition plate 5 separates the clearance hole 3 from the air extraction component 4, increasing the distance the waste debris needs to travel to the air extraction component 4. The waste debris falls directly to the bottom of the housing 1, requiring it to overcome its own gravity to reach the air extraction component 4, thus increasing the difficulty of moving the waste debris to the air extraction component 4 and effectively preventing waste debris from entering the air extraction component 4 and clogging it.
[0030] See Figure 1 In other embodiments, a filter cover 6 is installed inside the housing 1 to cover the air extraction component 4. By covering the air extraction component 4 with the filter cover 6, the gas entering the air extraction component 4 can be filtered, thereby effectively preventing the air extraction component 4 from becoming clogged.
[0031] See Figure 1 In other embodiments, a magnetic suction element 7 is also included, which is located at the bottom of the housing 1. The magnetic suction element 7 magnetically attracts the waste debris, thereby further preventing the waste debris from entering the extraction element 4. Specifically, the magnetic suction element 7 can be an electromagnet. By energizing the electromagnet, the waste debris is attracted, and by de-energizing the electromagnet, the waste debris can be cleaned. Furthermore, the partition plate 5 is inclined toward the magnetic suction element 7, thereby guiding the waste debris so that it can be magnetically attracted to the magnetic suction element 7 as much as possible.
[0032] See Figure 1In other embodiments, the housing 1 is provided with a cleaning door 8, and a magnetic suction component 7 is installed on the cleaning door 8. By opening the cleaning door 8, the waste inside the housing 1 can be easily cleaned. Furthermore, by installing the magnetic suction component 7 on the cleaning door 8, most of the waste can be moved directly to the outside of the housing 1 when the cleaning door 8 is opened, which facilitates the cleaning of the waste.
[0033] See Figure 1 In other embodiments, the punching mechanism includes a frame 9, a punching cylinder 10, and a punching head 11. The punching cylinder 10 is mounted on the housing 1 via the frame 9 and is located above the leaf spring placement slot 2. The punching head 11 is mounted on the output end of the punching cylinder 10, and the extension direction of the output end of the punching cylinder 10 is coaxial with the clearance hole 3. In specific implementation, the punching cylinder 10 is controlled to move, causing the punching head 11 to move towards the automotive leaf spring, so that the punching head 11 punches the automotive leaf spring. After the punching head 11 penetrates the automotive leaf spring, it moves into the clearance hole 3 to make clearance.
[0034] See Figure 1 In other embodiments, an arc-shaped shield 12 is also included. The arc-shaped shield 12 is mounted on the punching cylinder 10 and is positioned towards the punching head 11; thereby effectively preventing waste chips from splashing and allowing the splashed waste chips to fall into the leaf spring placement groove 2.
[0035] See Figure 1 In another embodiment, a nozzle 13 connected to the air outlet of the suction component 4 is also included. The nozzle 13 is mounted on the housing 1 and faces the leaf spring placement groove 2. In specific implementation, both nozzles 13 are connected to the air outlet of the suction component 4 and are mounted at both ends of the leaf spring placement groove 2. They blow air into the leaf spring placement groove 2 along the tangential direction of the leaf spring placement groove 2, thereby blowing the waste debris in the leaf spring placement groove 2 into the clearance hole 3 through the two nozzles 13 facing each other.
[0036] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.
Claims
1. A punching device for automotive leaf springs, characterized in that, include: The housing has a leaf spring placement groove on its upper surface; and the leaf spring placement groove has an clearance hole that communicates with the housing. The punching mechanism can punch holes in the automotive leaf springs in the leaf spring placement slot; An air extraction device is installed at the top of the box, and the air extraction device is directed to extract air from the outside of the box. and A partition plate is installed inside the box, with one end of the partition plate installed at the top of the box and the other end of the partition plate having a gap with the bottom of the box; the partition plate is located between the air extraction component and the clearance hole. The chamber is equipped with a filter cover to cover the air extraction component, and also includes a magnetic suction component located at the bottom of the chamber. The partition plate is inclined toward the magnetic suction component, and the chamber is provided with a cleaning door, on which the magnetic suction component is installed.
2. The punching device for automotive leaf springs according to claim 1, characterized in that, The clearance hole is located at the lowest end of the leaf spring placement slot.
3. The punching device for automotive leaf springs according to claim 1, characterized in that, The clearance hole is flared at the end near the inside of the housing.
4. The punching device for automotive leaf springs according to claim 1, characterized in that, The punching mechanism includes a frame, a punching cylinder, and a punching head. The punching cylinder is mounted on the housing via the frame and is located above the leaf spring placement slot. The punching head is installed at the output end of the punching cylinder, and the extension direction of the output end of the punching cylinder is coaxial with the clearance hole.
5. The punching device for automotive leaf springs according to claim 4, characterized in that, It also includes an arc-shaped shield, which is mounted on the punching cylinder and oriented toward the punching head.
6. The punching device for automotive leaf springs according to claim 1, characterized in that, It also includes a nozzle that communicates with the air outlet of the extraction component, the nozzle being mounted on the housing and facing the leaf spring placement slot.