High-hardness screw production line

Abstract

The invention relates to the technical field of screw production, and discloses a high-hardness screw production line which comprises a production conveying line, a quenching box is arranged on the right side of the production conveying line, a quenching mechanism is arranged in the quenching box, the quenching mechanism comprises a connecting frame, and the connecting frame is fixedly connected to the top of the quenching box; an electric push rod is fixedly connected to the inner wall of the top of the connecting frame, the electric push rod stretches out and draws back to drive the containing frame to move up and down, the screw in the containing frame can be soaked in liquid, quenching treatment is conducted on the screw, meanwhile, a first abutting rod makes contact with a wave abutting plate, a push plate can move left and right, and then the screw is turned over. Through the combination of up-down movement and left-right turning, the movement range and frequency of the screw in quenching liquid are greatly increased. Compared with a traditional standing quenching mode, all the parts of the screw can make more sufficient contact with quenching liquid, and the problem of non-uniform performance caused by insufficient or excessive local quenching is effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of screw production, in particular to a high-hardness screw production line. Background Art

[0002] With the introduction of the process for fully hardened screws, the problem of screw wear has been alleviated to a certain extent. The screws are made of tool steel, high-speed steel, powder high-speed steel or special steel, and are fully hardened to obtain a fully hardened screw with high torsion resistance, not easy to break, and continuous high wear resistance through overall hardening of the material. A Chinese patent discloses an alloy screw material and a production process for the screw (publication number: CN103774054A). The patent design material has high hardness, excellent high-temperature performance, good bending strength, density close to that of steel, high fracture toughness, excellent wear resistance, and excellent corrosion resistance. It further provides a production process for alloy screws made of the material. Through this production process, plastic molding is made more stable, the success rate of alloy screws is greatly improved, and the long-term stability of the injection molding screw production process is ensured.

[0003] Screws are high-strength fasteners. The production process of screws includes the process of screw quenching. Most of the time, the screws are stationary during quenching, which will lead to poor quenching effect and easily cause some positions to not be quenched evenly, thus affecting the production effect of the screw. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a high-hardness screw production line in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a high-hardness screw production line, including a production conveyor line, a quenching box is provided on the right side of the production conveyor line, a quenching mechanism is provided inside the quenching box, and the quenching mechanism includes a connecting frame, the connecting frame is fixedly connected to the top of the quenching box, the top inner wall of the connecting frame is fixedly connected to an electric push rod, the bottom of the electric push rod is fixedly connected to a first connecting rod, the outer wall of the first connecting rod is fixedly connected to a placement frame, and a plurality of horizontal holes are opened inside the placement frame. When the electric push rod is started, the electric push rod descends, driving the first connecting rod to descend, thereby driving the placement frame to descend through the first connecting rod, so that the screw is immersed in the quenching liquid to achieve quenching of the screw.

[0006] Preferably, the inner wall of the placement frame is fixedly connected to a sliding rod, the outer wall of the sliding rod is slidably connected to a slide plate, the bottom of the slide plate is fixedly connected to several push plates, several of the push plates are in contact with the inner wall of the quenching box, and the outer wall movable sleeve of the sliding rod is provided with a first limit spring.

[0007] Preferably, a first resistance rod is fixedly connected to the front of the slide, and a wave resistance plate is fixedly connected to the inner wall of the quenching box. The first resistance rod contacts the wave resistance plate and, during the descent process, drives the first resistance rod to descend. As the first resistance rod descends, it sways left and right under the action of the wave resistance plate, thereby driving the slide to slide on the slide rod, and thereby driving the push plate to move left and right within the placement frame. The left and right movement of the push plate can flip the screw. This combination of up and down movement and left and right flipping greatly enhances the range and frequency of movement of the screw in the quenching liquid. Compared with the traditional static quenching method, various parts of the screw can be more fully in contact with the quenching liquid, effectively avoiding the problem of uneven performance caused by insufficient or excessive local quenching.

[0008] Preferably, a cleaning mechanism is provided inside the quenching box, and the cleaning mechanism includes a fixed plate, which is fixedly connected to the right side of the placement frame, and a vertical rod is movable inside the fixed plate and extends to the upper and lower sides thereof, and the outer wall of the vertical rod is provided with a first spring.

[0009] Preferably, the bottom of the vertical rod is fixedly connected to the bottom plate, and the top of the bottom plate is provided with a plurality of transverse grooves, and a plurality of cleaning brushes are slidably connected to the inside of the plurality of transverse grooves, and the plurality of cleaning brushes are fixedly connected to each other through a fixing rod, and a second limit spring is fixedly connected between the plurality of cleaning brushes and the inner wall of the transverse groove, and the cleaning brush is arranged at the bottom of the transverse hole, and the interior of the quenching box is fixedly connected to a second interference rod, and the second interference rod is arranged at the bottom of the bottom plate, and when the placement frame is lowered to half, the bottom plate will contact the second interference rod, and under the action of the second interference rod, the cleaning brush at the bottom of the bottom plate will pass through the transverse hole, thereby cleaning the screw inside the placement frame.

[0010] Preferably, the right side of several cleaning brushes is fixedly connected to a second connecting rod, the right side of the second connecting rod is fixedly connected to a connecting plate, the right side of the connecting plate is fixedly connected to a third interference rod, and the right inner wall of the quenching box is provided with a connecting groove, the upper section of the connecting groove is a smooth section, and the lower section of the connecting groove is wavy, and the third interference rod contacts the connecting groove and drives the second connecting rod to move while penetrating, and the connecting rod drives the second interference rod on the right side of the connecting plate to move, and the second interference rod will cause the cleaning brush to swing left and right when it contacts the wavy arc groove of the lower section of the connecting groove. This left and right shaking cleaning method can more effectively remove impurities and residues on the surface of the screw and improve the cleaning effect.

[0011] Preferably, a flow mechanism is provided inside the quenching box, and the flow mechanism includes a rotating rod, which is rotatably connected to the inside of the quenching box, and the outer wall of the rotating rod is fixedly connected to a swing plate, and the outer wall of the rotating rod is sleeved with a torsion spring, and the bottom of the bottom plate is fixedly connected to a first resistance plate, and when the bottom plate descends, it will drive the first resistance plate to descend, and when the first resistance plate descends, it will abut against the swing plate, and drive the swing plate to rotate, and when the first resistance plate is out of contact with the swing plate, the swing plate will be reset under the action of the torsion spring, and this process will cause the swing plate to swing back and forth, and this swinging can effectively promote the flow of quenching liquid, so that the quenching liquid can be more evenly distributed in the quenching box, thereby improving the quenching efficiency.

[0012] Preferably, a slide groove is provided on the top of the swing plate, and a slider is slidably connected to the inside of the slide groove. A second spring is fixedly connected between the slider and the inner wall of the slide groove, and a scraper is fixedly connected to the top of the slider. The bottom of the scraper contacts the swing plate, and a cross bar is fixedly connected between the scraper and the inner wall of the quenching box. When the swing plate swings downward, the scraper is driven to scrape on the swing plate under the action of the cross bar, so that impurities on the scraper can be scraped off. This automatic cleaning function can prevent impurities from accumulating on the swing plate, thereby avoiding obstruction of the flow of quenching liquid by impurities, and further optimizing the flow effect of the quenching liquid.

[0013] The present invention adopts the above technical solution, which can bring the following beneficial effects: 1. This high-hardness screw production line uses the telescopic action of an electric push rod to drive the placement frame up and down, immersing the screw inside the placement frame in liquid for quenching. Simultaneously, the contact between the first resistance rod and the wave-shaped resistance plate enables the push plate to move left and right, thereby flipping the screw. This combination of up and down movement and left and right flipping greatly enhances the range and frequency of the screw's motion in the quenching liquid. Compared to traditional static quenching methods, all parts of the screw are more fully exposed to the quenching liquid, effectively avoiding uneven performance caused by insufficient or excessive local quenching.

[0014] 2. In this high-hardness screw production line, when the bottom plate is impacted by the second resistance rod, the cleaning brush penetrates the horizontal hole and penetrates deep into the placement frame to clean the screw. Simultaneously, the second resistance rod, impacted by the connection groove, can rock left and right, driving the cleaning brush to rock back and forth. This rocking motion more effectively removes impurities and residue from the screw surface, enhancing cleaning effectiveness. This efficient cleaning function prevents impurities and residue from forming difficult-to-remove stains on the screw surface, which could affect the screw's surface quality and even cause problems during subsequent processing or use.

[0015] 3. In this high-hardness screw production line, the contact between the first contact plate and the swing plate causes the swing plate to swing up and down. This swinging motion effectively promotes the flow of the quenching liquid, preventing local stagnation or uneven distribution of the quenching liquid. It also allows for more complete heat exchange between the quenching liquid and the screw, thereby improving quenching efficiency. Through this orderly flow, the internal heat distribution is more uniform, allowing it to more evenly absorb the heat released by the screw during the quenching process and more evenly transfer its own heat to the screw, making the screw more evenly heated and cooled during the quenching process, further improving quenching efficiency and quenching quality, and ensuring the uniformity and consistency of the quenching effect. At the same time, under the action of the crossbar, the scraper can scrape and clean impurities on the swing plate. This automatic cleaning function prevents impurities from accumulating on the swing plate, thereby avoiding impurities from obstructing the flow of the quenching liquid and further optimizing the flow effect of the quenching liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the structure of the present invention; Figure 2 This is a first cross-sectional view of the structure of the present invention; Figure 3 This is a second cross-sectional view of the structure of the present invention; Figure 4 This is a third cross-sectional view of the structure of the present invention; Figure 5 This is an enlarged view of structure A of the present invention; Figure 6 This is a fourth cross-sectional view of the structure of the present invention; Figure 7 This is an enlarged view of structure B of the present invention; Figure 8 This is a fifth cross-sectional view of the structure of the present invention; Figure 9 It is an enlarged view of structure C of the present invention.

[0017] In the figure: 1. Production conveyor line; 2. Quenching box; 3. Quenching mechanism; 311. Connecting frame; 312. Electric push rod; 313. First connecting rod; 314. Placement frame; 315. Sliding rod; 316. Slide plate; 317. Push plate; 318. First interference rod; 319. Wave interference plate; 320. Horizontal hole; 5. Cleaning mechanism; 511. Fixed plate; 512. Vertical rod; 513. First spring; 514. Bottom plate; 515. Cleaning brush; 516. Second interference rod; 517. Connecting groove; 518. Second connecting rod; 519. Connecting plate; 520. Second interference rod; 6. Flow mechanism; 611. Rotating rod; 612. Swinging plate; 613. Torsion spring; 614. First interference plate; 615. Sliding groove; 616. Sliding block; 617. Second spring; 618. Scraper; 619. Horizontal rod. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-9 , one embodiment of the present invention is: a high-hardness screw production line, including a production conveyor line 1, a quenching box 2 is provided on the right side of the production conveyor line 1, a quenching mechanism 3 is provided inside the quenching box 2, and the quenching mechanism 3 includes a connecting frame 311, the connecting frame 311 is fixedly connected to the top of the quenching box 2, the top inner wall of the connecting frame 311 is fixedly connected to an electric push rod 312, the bottom of the electric push rod 312 is fixedly connected to a first connecting rod 313, the outer wall of the first connecting rod 313 is fixedly connected to a placement frame 314, and a plurality of horizontal holes 320 are opened inside the placement frame 314. When the electric push rod 312 is started, the electric push rod 312 descends and drives the first connecting rod 313 to descend, thereby driving the placement frame 314 to descend through the first connecting rod 313, thereby immersing the screw in the quenching liquid to achieve quenching of the screw, and the inner wall of the placement frame 314 is fixedly connected to a sliding rod 315, and the outer wall of the sliding rod 315 slides When the cam 314 is in the closed position, the first stop 318 is in the closed position, and the cam 314 is in the closed position, so that the cam 314 can be turned around and the cam 314 can be turned around. Compared with the traditional static quenching method, various parts of the screw can be more fully in contact with the quenching liquid, effectively avoiding the problem of uneven performance caused by insufficient or excessive local quenching.

[0020] Working Principle: When the electric push rod 312 is activated, it descends, driving the first connecting rod 313 downwards, which in turn drives the placement frame 314 downwards, immersing the screw in the quenching liquid and quenching it. During this descent, the first resistance rod 318 is driven downwards. As the first resistance rod 318 descends, it rockes left and right under the action of the wave resistance plate 319, driving the slide plate 316 to slide on the slide rod 315. This in turn drives the push plate 317 to move left and right within the placement frame 314. The left and right movement of the push plate 317 flips the screw. This combination of up and down movement and left and right flipping greatly enhances the range and frequency of the screw's movement in the quenching liquid. Compared to traditional static quenching methods, all parts of the screw are more fully exposed to the quenching liquid, effectively avoiding uneven performance caused by insufficient or excessive local quenching.

[0021] See also Figure 1-9 On the basis of the above embodiment, in another embodiment of the present invention, a cleaning mechanism 5 is provided inside the quenching box 2, and the cleaning mechanism 5 includes a fixing plate 511, which is fixedly connected to the right side of the placement frame 314, the fixing plate 511. When the quench box 314 is lowered to the middle, the cleaning brush 515 at the bottom of the bottom plate 514 will pass through the horizontal hole 320, thereby cleaning the quench box 314. The screw inside the frame 314 is cleaned, and the right side of several cleaning brushes 515 is fixedly connected to a second connecting rod 518, and the right side of the second connecting rod 518 is fixedly connected to a connecting plate 519, and the right side of the connecting plate 519 is fixedly connected to a third interference rod 520. A connecting groove 517 is provided on the right inner wall of the quenching box 2, and the upper section of the connecting groove 517 is a smooth section, and the lower section of the connecting groove 517 is wavy. The third interference rod 520 contacts the connecting groove 517 and drives the second connecting rod 518 to move while penetrating. The connecting rod 518 drives the second interference rod 520 on the right side of the connecting plate 519 to move. When the second interference rod 520 contacts the wavy arc groove of the lower section of the connecting groove 517, it causes the cleaning brush 515 to swing left and right. This left and right shaking cleaning method can more effectively remove impurities and residues on the surface of the screw and improve the cleaning effect.

[0022] Working principle: When the placement frame 314 is lowered to halfway, the bottom plate 514 will contact the second resistance rod 516. Under the action of the second resistance rod 516, the cleaning brush 515 at the bottom of the bottom plate 514 will penetrate the horizontal hole 320, thereby cleaning the screw inside the placement frame 314, and at the same time, it will drive the second connecting rod 518 to move. The connecting rod 518 drives the second resistance rod 520 on the right side of the connecting plate 519 to move. When the second resistance rod 520 contacts the wavy arc groove in the lower section of the connecting groove 517, it will cause the cleaning brush 515 to swing left and right. This left and right shaking cleaning method can more effectively remove impurities and residues on the surface of the screw and improve the cleaning effect.

[0023] See also Figure 1-9 On the basis of the above embodiment, in another embodiment of the present invention, a flow mechanism 6 is provided inside the quenching box 2, and the flow mechanism 6 includes a rotating rod 611, which is rotatably connected to the inside of the quenching box 2. The outer wall of the rotating rod 611 is fixedly connected to a swing plate 612, and the outer wall of the rotating rod 611 is sleeved with a torsion spring 613. The bottom of the bottom plate 514 is fixedly connected to a first contact plate 614. When the bottom plate 514 descends, the first contact plate 614 is driven to descend. When the first contact plate 614 descends, it abuts against the swing plate 612, which drives the swing plate 612 to rotate. When the first contact plate 614 is out of contact with the swing plate 612, the swing plate 612 is reset under the action of the torsion spring 613. This process causes the swing plate 612 to swing back and forth, and this swing can effectively promote the flow of quenching liquid. , so that the quenching liquid can be more evenly distributed in the quenching box, thereby improving the quenching efficiency. A slide groove 615 is provided on the top of the swing plate 612, and a slider 616 is slidably connected inside the slide groove 615. A second spring 617 is fixedly connected between the slider 616 and the inner wall of the slide groove 615, and a scraper 618 is fixedly connected to the top of the slider 616. The bottom of the scraper 618 contacts the swing plate 612, and a cross bar 619 is fixedly connected between the scraper 618 and the inner wall of the quenching box 2. When the swing plate 612 swings downward, the scraper 618 is driven by the action of the cross bar 619 to scrape the swing plate 612, so that impurities on the scraper 618 can be scraped off. This automatic cleaning function can prevent impurities from accumulating on the swing plate, thereby avoiding the obstruction of the flow of quenching liquid by impurities, and further optimizing the flow effect of the quenching liquid.

[0024] Working principle: when the bottom plate 514 descends, it will drive the first resistance plate 614 to descend. When the first resistance plate 614 descends, it will contact the swing plate 612, which will drive the swing plate 612 to rotate. When the first resistance plate 614 disengages from the swing plate 612, the swing plate 612 will be reset under the action of the torsion spring 613. This process will cause the swing plate 612 to swing back and forth. This swing can effectively promote the flow of the quenching liquid, so that the quenching liquid can be more evenly distributed in the quenching box, thereby improving the quenching efficiency. When the swing plate 612 swings downward, the scraper 618 is driven to scrape the swing plate 612 under the action of the cross bar 619, so that impurities on the scraper 618 can be scraped off. This automatic cleaning function can prevent impurities from accumulating on the swing plate, thereby avoiding impurities from obstructing the flow of the quenching liquid and further optimizing the flow effect of the quenching liquid.

[0025] The present invention provides a high-hardness screw production line. There are numerous methods and approaches for implementing this technical solution. The above is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also within the scope of protection of the present invention. Any components not specified in this embodiment may be implemented using existing technologies.

Claims

1. High hardness screw production line, including production conveyor line, characterized by: A quenching box is provided on the right side of the production conveyor line; A quenching mechanism is provided inside the quenching box, and the quenching mechanism includes a connecting frame, which is fixedly connected to the top of the quenching box. An electric push rod is fixedly connected to the top inner wall of the connecting frame, and a first connecting rod is fixedly connected to the bottom of the electric push rod. A placement frame is fixedly connected to the outer wall of the first connecting rod, and a plurality of transverse holes are opened inside the placement frame.

2. The high hardness screw production line according to claim 1, characterized in that: The inner wall of the placement frame is fixedly connected to a slide rod, the outer wall of the slide rod is slidably connected to a slide plate, the bottom of the slide plate is fixedly connected to a plurality of push plates, the plurality of push plates are in contact with the inner wall of the quenching box, and the outer wall of the slide rod is movably sleeved with a first limit spring.

3. The high hardness screw production line according to claim 2, characterized in that: A first resistance rod is fixedly connected to the front of the slide plate, a wave resistance plate is fixedly connected to the inner wall of the quenching box, and the first resistance rod is in contact with the wave resistance plate.

4. The high-hardness screw production line according to claim 3, characterized in that: The interior of the quenching box is provided with a cleaning mechanism, which includes a fixed plate fixedly connected to the right side of the placement frame, and a vertical rod running through the interior of the fixed plate and extending to the upper and lower sides thereof, and a first spring is sleeved on the outer wall of the vertical rod.

5. The high-hardness screw production line according to claim 4, characterized in that: The bottom of the vertical rod is fixedly connected to the bottom plate, and a plurality of transverse grooves are provided on the top of the bottom plate. A plurality of cleaning brushes are slidably connected to the inside of the transverse grooves. The plurality of cleaning brushes are fixedly connected to each other through fixed rods, and a second limit spring is fixedly connected between the plurality of cleaning brushes and the inner wall of the transverse groove. The cleaning brush is arranged at the bottom of the transverse hole, and a second interference rod is fixedly connected to the inside of the quenching box, and the second interference rod is arranged at the bottom of the bottom plate.

6. The high-hardness screw production line according to claim 5, characterized in that: A second connecting rod is fixedly connected to the right side of several of the cleaning brushes, a connecting plate is fixedly connected to the right side of the second connecting rod, a third interference rod is fixedly connected to the right side of the connecting plate, a connecting groove is provided on the right inner wall of the quenching box, the upper section of the connecting groove is a smooth section, and the lower section of the connecting groove is wavy, and the third interference rod is in contact with the connecting groove.

7. The high-hardness screw production line according to claim 6, characterized in that: A flow mechanism is provided inside the quenching box, and the flow mechanism includes a rotating rod, which is rotatably connected to the inside of the quenching box, a swing plate is fixedly connected to the outer wall of the rotating rod, a torsion spring is sleeved on the outer wall of the rotating rod, and a first contact plate is fixedly connected to the bottom of the bottom plate.

8. The high-hardness screw production line according to claim 7, characterized in that: A slide groove is provided on the top of the swing plate, a slider is slidably connected to the inside of the slide groove, a second spring is fixedly connected between the slider and the inner wall of the slide groove, a scraper is fixedly connected to the top of the slider, the bottom of the scraper contacts the swing plate, and a cross bar is fixedly connected between the scraper and the inner wall of the quenching box.

Images