A multi-stage screening device for spring production and processing

Abstract

The utility model discloses a multistage screening device for spring production and processing relates to multistage screening device field. The utility model discloses a screening mechanism, the screening mechanism includes the chassis, the top cover, the top of top cover is provided with the delay mechanism, through setting up delay mechanism, wherein delay mechanism includes pneumatic cylinder, the output of pneumatic cylinder is connected with the arc baffle through mounting head dismounting, the arc baffle one side sets up a plurality of irregular array arrangement's pole lever, and the number of delay mechanism is two groups and sets up in the top of top cover along material conveying direction in proper order, the arc baffle's arc concave surface is to the material conveying direction. When working, pneumatic cylinder drives arc baffle and pole lever action, and the delay and guide of material, have solved linear vibrating screen because vibrating conveying speed is faster, leading to the size at critical point's'difficult screening material'spring can not fully contact sieve hole or adjust good own attitude and be transported away fast, and then cause the problem of individual qualified product mixing into unqualified product.

Description

Technical Field

[0001] This utility model relates to the field of multi-stage screening devices, specifically a multi-stage screening device for spring production and processing. Background Technology

[0002] In the spring manufacturing industry, the screening process plays a crucial role in ensuring the quality and performance of spring products. During the production process, due to differences in raw materials and fluctuations in processing technology, springs of different sizes and specifications are produced. Accurate and efficient screening of these springs ensures that springs flowing into subsequent processes or the market meet the corresponding standard requirements, thereby improving the overall product qualification rate and market competitiveness.

[0003] Currently, linear vibrating screens are commonly used in the screening applications of spring production and processing. However, linear vibrating screens have a significant problem: their vibration conveying speed is relatively fast. In the actual screening process, some springs, especially "difficult-to-screen materials" with dimensions at the critical point, may be conveyed away quickly before they have had enough time to fully contact the screen holes or adjust their posture. This leads to situations where some qualified products are mixed with unqualified products, or vice versa. For example, some springs with dimensions slightly smaller than the qualified standard but good quality are not fully screened on the screen surface due to excessively fast conveying and are treated as unqualified products. On the other hand, some springs with dimensions slightly larger than the qualified standard but with quality defects may also be mixed with qualified products for the same reason, seriously affecting the quality consistency of spring products. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a multi-stage screening device for spring production and processing, so as to solve the technical problem that due to the high vibration conveying speed of linear vibrating screens, springs with "difficult-to-screen materials" at the critical point of size cannot fully contact the screen holes or adjust their own posture before being quickly conveyed away, which in turn causes some qualified products to be mixed with unqualified products and unqualified products to be mixed with qualified products, seriously affecting the consistency of spring product quality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-stage screening device for spring production and processing, comprising a screening mechanism, the screening mechanism comprising a base frame and a top cover, the top of the top cover being provided with a delay mechanism, the delay mechanism comprising a cylinder, the output end of the cylinder being detachably connected to an arc-shaped baffle via an mounting head, the arc-shaped baffle being fixedly connected to the mounting head by bolts; Multiple levers are provided on one side of the arc-shaped baffle.

[0006] By adopting the above technical solution, the speed of the spring conveyor can be adjusted by using a cylinder to drive the arc-shaped baffle and the lever, allowing the "difficult-to-screen materials" to fully contact the screen holes, improving the screening quality and ensuring the consistency of spring products.

[0007] Furthermore, the lever is made of polyurethane, and the arc-shaped baffle is made of rubber.

[0008] By adopting the above technical solution, the lever is made of polyurethane and the arc-shaped baffle is made of rubber. The polyurethane lever is flexible and wear-resistant, and the rubber baffle is elastic. The combination of the two reduces the impact on the spring, prevents the spring from being damaged or deformed, and ensures the quality and service life of the spring.

[0009] Furthermore, the top of the base frame is provided with multiple spring seats, and a vibrating screen is installed on the top of the multiple spring seats.

[0010] By adopting the above technical solution, multiple spring seats are installed on the base frame to mount the vibrating screen. The spring seats provide stable support for the vibrating screen, ensuring smooth operation of the vibrating screen and facilitating the smooth progress of spring screening.

[0011] Furthermore, two sets of vibration motors are provided on one side of the bottom of the vibrating screen, and the two sets of vibration motors are mirrored along the width centerline of the vibrating screen.

[0012] By adopting the above technical solution, two sets of vibrating motors mirrored along the width centerline are installed on one side of the bottom of the vibrating screen, which can make the vibrating screen be subjected to uniform force, generate stable and effective vibration, and improve the spring screening effect.

[0013] Furthermore, the vibrating screen is equipped with a top cover, and a feed inlet is provided on one side of the top of the top cover.

[0014] By adopting the above technical solution, a top cover is installed on the top of the vibrating screen, and a feed inlet is provided on one side of the top cover. The top cover can prevent the spring from popping out during screening, and the feed inlet facilitates the insertion of the spring, ensuring a safe and orderly screening process.

[0015] Furthermore, a first discharge port and a second discharge port are provided on the other side of the bottom of the vibrating screen.

[0016] By adopting the above technical solution, a first discharge port and a second discharge port are provided on the other side of the bottom of the vibrating screen, which can classify and discharge the screened springs according to their specifications and quality, making it convenient for subsequent processing and utilization.

[0017] Furthermore, the delay mechanism is in the form of two sets, which are sequentially arranged on the top of the cover along the material conveying direction.

[0018] By adopting the above technical solution, two sets of delay mechanisms are sequentially set on the top of the cover along the material conveying direction, which can adjust the spring conveying speed multiple times, allowing "difficult-to-screen materials" to be fully screened, thereby improving screening accuracy and product quality.

[0019] Furthermore, the concave surface of the arc-shaped baffle faces the material conveying direction.

[0020] By adopting the above technical solution, the concave surface of the arc-shaped baffle faces the material conveying direction, which can better guide and block the spring, so that the spring and the lever can fully contact each other, improve the de-clumping and anti-entanglement effect, and facilitate spring screening.

[0021] In summary, the present invention has the following main advantages: 1. This utility model incorporates a delay mechanism, which includes a cylinder. The cylinder's output end is detachably connected to an arc-shaped baffle via an mounting head. Multiple levers arranged in an irregular array are positioned on one side of the arc-shaped baffle. Two sets of delay mechanisms are sequentially arranged on the top of the cover along the material conveying direction, with the concave surface of the arc-shaped baffle facing the material conveying direction. During operation, the cylinder drives the arc-shaped baffle and levers to delay and guide the material. This solves the problem of linear vibrating screens, where the high vibration speed causes "difficult-to-screen materials" at critical sizes to be conveyed too quickly, preventing the springs from fully contacting the screen holes or adjusting their posture. This results in some qualified products being mixed with unqualified products, and vice versa, severely affecting the consistency of spring product quality. 2. This utility model uses multiple irregularly arranged polyurethane levers on the receiving surface of an arc-shaped baffle. When the tension springs with hooks are conveyed in a cluster and blocked at the arc-shaped baffle, these levers insert into the spring stack. When the cylinder drives the arc-shaped baffle to rise, the levers further break up and lift the interlocking springs, just like picking up noodles with a fork, so that they are completely separated. This solves the problem that springs, especially tension springs with hooks, are prone to getting caught in each other during vibration conveying, forming a cluster or a long string that slides as a whole on the screen surface, making effective individual screening impossible. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a bottom-view three-dimensional structural diagram of the present invention; Figure 3 This is a side view cross-sectional three-dimensional structural schematic diagram of the present invention; Figure 4 This utility model Figure 3 An enlarged structural diagram of point A in the middle.

[0023] In the diagram: 1. Screening mechanism; 101. Base frame; 102. Spring seat; 103. Vibrating screen; 104. Vibrating motor; 105. Top cover; 106. Feed inlet; 107. First discharge outlet; 108. Second discharge outlet; 2. Delay mechanism; 201. Cylinder; 202. Mounting head; 203. Arc-shaped baffle; 204. Lever. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0025] A multi-stage screening device for spring production and processing, such as Figure 1-4 As shown, it includes a screening mechanism 1, which includes a base frame 101 and a top cover 105. A delay mechanism 2 is provided on the top of the top cover 105. The delay mechanism 2 includes a cylinder 201. An arc-shaped baffle 203 is detachably connected to the output end of the cylinder 201 through a mounting head 202. The arc-shaped baffle 203 is fixedly connected to the mounting head 202 by bolts. Multiple levers 204 are provided on one side of the arc-shaped baffle 203. A cylinder 201 is connected to the arc-shaped baffle 203 via a mounting head 202. The arc-shaped baffle 203 has multiple levers 204 arranged in an irregular array on one side. During spring screening, the cylinder 201 activates, driving the arc-shaped baffle 203 and the levers 204 to move, effectively adjusting the conveying speed of the springs on the vibrating screen 103. For springs handling "difficult-to-screen materials" with dimensions at critical points, this allows sufficient time for them to fully contact the screen openings and adjust their posture, preventing the mixing of qualified and unqualified products and greatly improving the quality consistency of the spring products.

[0026] See Figure 1 , Figure 2 , Figure 3 , Figure 4 The lever 204 is made of polyurethane, and the arc-shaped baffle 203 is made of rubber. The polyurethane lever 204 has good flexibility and wear resistance, preventing rigid impact on the spring when in contact with it. The rubber arc-shaped baffle 203 is elastic and can buffer the impact force of the spring during blocking and guiding. When the spring bounces on the vibrating screen 103 and comes into contact with the lever 204 and the arc-shaped baffle 203, their combined action effectively reduces the impact force on the spring, preventing surface damage, deformation, or even breakage, thus ensuring the quality and service life of the spring.

[0027] See Figure 1 , Figure 2 , Figure 3 , Figure 4The base frame 101 has multiple spring seats 102 on its top, and a vibrating screen 103 is mounted on top of these spring seats 102. The spring seats 102 provide stable support for the vibrating screen 103, effectively buffering and dispersing the force generated by vibration during operation, reducing the impact of vibration on the base frame 101. Simultaneously, the stable support ensures that the vibrating screen 103 remains stable during operation, allowing the springs to bounce and screen according to the expected trajectory on the vibrating screen 103, providing a reliable guarantee for the smooth operation of spring screening and improving screening efficiency and accuracy.

[0028] See Figure 1 , Figure 2 , Figure 3 , Figure 4 Two sets of vibrating motors 104 are installed on one side of the bottom of the vibrating screen 103. The two sets of vibrating motors 104 are mirror-arranged along the width axis of the vibrating screen 103. This layout allows the vibrating screen 103 to be subjected to more uniform force during operation. The vibrations generated by the two sets of vibrating motors 104 cooperate with each other to form a stable and effective vibration effect. Uniform force distribution avoids swaying or displacement of the vibrating screen 103 due to excessive local force, ensuring that the springs can fully bounce and disperse on the vibrating screen 103, thereby improving the screening efficiency of the springs and enabling more accurate separation of springs of different specifications.

[0029] See Figure 1 , Figure 2 , Figure 3 , Figure 4 The vibrating screen 103 is equipped with a top cover 105, and a feed inlet 106 is provided on one side of the top of the top cover 105. The presence of the top cover 105 can effectively prevent the springs from being ejected from the screening area due to violent jumping during the operation of the vibrating screen 103, ensuring the safety of the operators and the cleanliness of the surrounding environment. At the same time, the feed inlet 106 on one side of the top of the top cover 105 provides a convenient channel for the springs to be inserted. The operator can easily put the springs to be screened into the vibrating screen 103 through the feed inlet 106, making the entire screening process safer and more orderly, and improving work efficiency.

[0030] See Figure 1 , Figure 2 , Figure 3 , Figure 4The vibrating screen 103 has a first discharge port 107 and a second discharge port 108 on the other side of its bottom. After the springs pass through the multi-stage screening of the vibrating screen 103, springs of different specifications and qualities can be discharged from the first discharge port 107 and the second discharge port 108 respectively according to the screening results. This sorting and discharge method facilitates further processing and utilization of the springs. For example, qualified and unqualified products can be stored separately, or packaged and sold according to different specifications. This improves the efficiency and management level of spring production and reduces the workload and cost of subsequent sorting.

[0031] See Figure 1 , Figure 2 , Figure 3 , Figure 4 Two sets of delay mechanisms 2 are sequentially arranged on the top of the top cover 105 along the material conveying direction. When the spring passes through the first set of delay mechanisms 2, its conveying speed is initially adjusted, allowing some "difficult-to-screen materials" more time to contact the screen holes. After further conveying, the second set of delay mechanisms 2 adjusts the spring conveying speed again, ensuring that all "difficult-to-screen materials" can fully contact the screen holes and adjust their posture. Through these two adjustments, the accuracy of screening is greatly improved, effectively enhancing the quality of the spring products.

[0032] See Figure 1 , Figure 2 , Figure 3 , Figure 4 The concave surface of the arc-shaped baffle 203 faces the material conveying direction. When the spring reaches the arc-shaped baffle 203, the concave surface gathers the spring and guides it to fully contact the levers 204 arranged in an irregular array on one side. For springs that are clumped together or hooked together, the arc-shaped baffle 203 and levers 204 work together to more effectively break up and separate the springs, improve the unbundling and anti-tangling effect, and enable the springs to be screened individually, thus improving the efficiency and accuracy of screening.

[0033] The implementation principle of this embodiment is as follows: First, the spring to be screened is put into the vibrating screen 103 of the screening mechanism 1 through the feed port 106 provided on one side of the top of the top cover 105. At this time, two sets of vibrating motors 104, which are mirror images of each other along the width axis of the vibrating screen 103, are started. The vibrating motors 104 drive the vibrating screen 103 to vibrate, so that the spring makes a jumping motion on the vibrating screen 103 to achieve preliminary screening. During the spring conveying process, two sets of delay mechanisms 2 are sequentially arranged on the top of the top cover 105 along the material conveying direction. When the spring reaches the delay mechanism 2, the cylinder 201 is activated, and its output end drives the arc-shaped baffle 203 fixedly connected to it through the mounting head 202. The arc-shaped concave surface of the arc-shaped baffle 203 faces the material conveying direction, which can better block and guide the spring. Multiple levers 204 arranged in an irregular array on one side of the arc-shaped baffle 203 are made of polyurethane, which has good flexibility and wear resistance. When the tension springs with hooks are conveyed in a cluster and blocked at the arc-shaped baffle 203, these levers 204 will insert into the spring stack. As the cylinder 201 drives the arc-shaped baffle 203 to rise or fall, the levers 204 can further break up and lift the interlocked springs, so that they are completely separated, solving the problem that the springs are easy to hook each other during the vibration conveying process and cannot be effectively screened individually. Meanwhile, the delay mechanism 2 adjusts the spring conveying speed, allowing the springs of some "difficult-to-screen materials" with sizes at the critical point to have enough time to fully contact the screen holes and adjust their own posture. This solves the problem that the linear vibrating screen's excessively fast vibration conveying speed causes some qualified products to be mixed with unqualified products, and unqualified products to be mixed with qualified products, seriously affecting the consistency of spring product quality. Finally, the springs, after being fully screened, are discharged from the first discharge port 107 and the second discharge port 108 set on the other side of the bottom of the vibrating screen 103, according to their specifications and quality, thus completing the entire multi-stage screening process.

[0034] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A multi-stage screening device for spring production and processing, characterized in that: The system includes a screening mechanism (1), which includes a base frame (101) and a top cover (105). A delay mechanism (2) is provided on the top of the top cover (105). The delay mechanism (2) includes a cylinder (201). An arc-shaped baffle (203) is detachably connected to the output end of the cylinder (201) through a mounting head (202). The arc-shaped baffle (203) is fixedly connected to the mounting head (202) by bolts. Multiple levers (204) are provided on one side of the arc-shaped baffle (203).

2. The multi-stage screening device for spring production and processing according to claim 1, characterized in that: The lever (204) is made of polyurethane, and the arc-shaped baffle (203) is made of rubber.

3. The multi-stage screening device for spring production and processing according to claim 1, characterized in that: The base frame (101) is provided with a plurality of spring seats (102) on the top, and a vibrating screen (103) is installed on the top of the plurality of spring seats (102).

4. The multi-stage screening device for spring production and processing according to claim 3, characterized in that: Two sets of vibration motors (104) are provided on one side of the bottom of the vibrating screen (103), and the two sets of vibration motors (104) are mirrored along the width centerline of the vibrating screen (103).

5. The multi-stage screening device for spring production and processing according to claim 3, characterized in that: The vibrating screen (103) is equipped with a top cover (105), and a feed inlet (106) is provided on one side of the top of the top cover (105).

6. The multi-stage screening device for spring production and processing according to claim 3, characterized in that: The vibrating screen (103) has a first discharge port (107) and a second discharge port (108) on the other side of its bottom.

7. The multi-stage screening device for spring production and processing according to claim 1, characterized in that: The delay mechanism (2) consists of two sets, which are sequentially arranged on the top of the top cover (105) along the material conveying direction.

8. The multi-stage screening device for spring production and processing according to claim 1, characterized in that: The concave surface of the arc-shaped baffle (203) faces the material conveying direction.

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