Spraying and baking device for self-tapping screw machining

Abstract

The utility model relates to the technical field of self-tapping screw machining, and discloses a spraying and baking device for self-tapping screw machining, which comprises a spraying and baking box, an exhaust pipe is fixedly connected to the top of the spraying and baking box close to the left side of the front side, heat dissipation holes are formed in the left side and the right side of the spraying and baking box close to the bottom, and a rotating mechanism is arranged on the inner wall of the spraying and baking box. The worm is driven by the servo motor to be meshed with the worm gear to drive the first rotating shaft and the second rotating shaft to rotate, the transmission ratio of the transmission mode is stable, accurate rotating speed control can be achieved, and it is guaranteed that the self-tapping screw rotates at the proper speed in the spraying and baking process. Moreover, a first rotating shaft penetrates through a first heat insulation plate, the top end of a second rotating shaft is rotationally connected to the top of the inner wall of the spraying oven, a stable supporting structure is formed, shaking in the rotating process is reduced, the self-tapping screws are more stable during rotating, it is guaranteed that the surfaces of the screws can be evenly sprayed and baked, and the spraying and baking quality is improved; and the problem of non-uniform local spraying and baking is avoided.

Description

Technical Field

[0001] This utility model relates to the field of self-tapping screw processing technology, specifically a spray baking device for processing self-tapping screws. Background Technology

[0002] In modern industrial production, self-tapping screws are widely used in many fields such as construction, furniture manufacturing, and electronic equipment assembly due to their advantages such as not requiring pre-tapping and convenient installation. To improve the corrosion resistance, wear resistance, and aesthetics of self-tapping screws, they usually need to undergo surface baking treatment, which involves spraying anti-rust paint, anti-corrosion coatings, etc., to give the screws better performance.

[0003] According to announcement number CN 218486471 U, a spray baking device for processing self-tapping screws includes a housing. Support platforms are fixedly connected to the bottom of the left and right sides of the outer surface of the housing. Connecting seats are fixedly connected to the top surfaces of the two support platforms. Drive shafts are movably connected to the top of the two connecting seats. Transmission belts are movably sleeved on the outer surfaces of the two drive shafts.

[0004] This device uses a twisting screw to raise or lower a threaded sleeve, which then blocks the self-tapping screws accumulated on the conveyor belt. This scrapes the accumulated screws and transports them neatly, allowing them to dry faster and improving the device's efficiency. During water cooling, the sprayed water wets a cleaning brush, which rotates with the connecting shaft to scrape and clean the surface of the self-tapping screws, removing dust and impurities that cannot be washed away by the water flow, resulting in cleaner collected screws. However, since the device places the self-tapping screws on the conveyor belt, the contact area between the screws and the belt may not be directly exposed to the heat, leading to uneven heating. Utility Model Content

[0005] The purpose of this invention is to provide a spray baking device for processing self-tapping screws, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a spray oven for processing self-tapping screws, comprising a spray oven, a glass door hinged to the left side of the front of the spray oven via a hinge, an exhaust pipe fixedly connected to the top of the spray oven near the left side of the front, heat dissipation holes opened on the left and right sides near the bottom of the spray oven, a rotating mechanism provided on the inner wall of the spray oven, and a clamping mechanism provided on the surface of the rotating mechanism.

[0007] The rotating mechanism includes a first heat insulation plate, which is fixedly connected to the inner wall of the spray oven near the bottom. A second heat insulation plate is fixedly connected to the front of the first heat insulation plate. An L-plate is fixedly connected to the bottom of the inner wall of the spray oven. A servo motor is fixedly connected to the front of the L-plate. A worm gear is fixedly connected to the output end of the servo motor. A first rotating shaft is rotatably connected to the bottom of the inner wall of the spray oven. A worm gear is fixedly connected to the surface of the first rotating shaft near the bottom end. A second rotating shaft is fixedly connected to the top of the first rotating shaft.

[0008] Preferably, the bottom of the second heat insulation plate is fixedly connected to the bottom of the inner wall of the spray oven, and the left and right sides of the second heat insulation plate are fixedly connected to the left and right sides of the inner wall of the spray oven.

[0009] Preferably, the servo motor, worm gear, worm wheel, and first rotating shaft are located between the inner wall of the spray oven and the first heat insulation plate, and are cooled through heat dissipation holes.

[0010] Preferably, the top of the first heat insulation plate has a hole that matches the first rotating shaft, and the surface of the first rotating shaft passes through and is rotatably connected to the hole. The top of the second rotating shaft is rotatably connected to the top of the inner wall of the spray oven, so that the rotation of the second rotating shaft is more stable.

[0011] Preferably, the clamping mechanism includes a fixing block, which is fixedly connected to the surface of the second rotating shaft at equal intervals. The front of the fixing block has a sliding groove, and guide rods are fixedly connected to the left and right sides of the inner wall of the sliding groove. A fixing plate is fixedly connected to the surface of the guide rod, and a first clamping block is fixedly connected to the front of the fixing plate. A sliding plate is slidably connected to the left and right sides of the guide rod, and a second clamping block is fixedly connected to the front of the sliding plate. A spring is sleeved between the right side of the inner wall of the sliding groove and the sliding plate on the surface of the guide rod.

[0012] Preferably, the surface of the fixing plate is fixedly connected to the inner wall of the slide groove, the surface of the sliding plate is slidably connected to the inner wall of the slide groove, the sliding plate is located to the right of the fixing plate, and the second clamping block is located to the right of the first clamping block.

[0013] Preferably, the right end of the spring is fixedly connected to the right side of the inner wall of the slide groove, and the left end of the spring is fixedly connected to the right side of the slide plate. There are four sets of the slide groove, guide rod, fixing plate, first clamping block, slide plate, second clamping block and spring, which are arranged in a circular array on the surface of the fixing block.

[0014] Compared with the prior art, this utility model provides a spray baking device for processing self-tapping screws, which has the following beneficial effects:

[0015] This spray-baking device for processing self-tapping screws uses a servo motor to drive a worm gear, which meshes with a worm wheel to rotate a first shaft and a second shaft. This transmission method provides a stable transmission ratio and enables precise speed control, ensuring that the self-tapping screws rotate at an appropriate speed during the spray-baking process. Furthermore, the first shaft passes through a first heat insulation plate, and the top of the second shaft is rotatably connected to the top of the inner wall of the spray oven, forming a stable support structure. This reduces shaking during rotation, making the self-tapping screws rotate more smoothly and ensuring that the screw surface receives uniform spraying and baking, improving the spray-baking quality and avoiding uneven localized spraying.

[0016] This spray-baking device for processing self-tapping screws features an adjustable clamping structure formed by the coordinated interaction of a sliding groove, guide rod, fixing plate, first clamping block, sliding plate, second clamping block, and spring. When a self-tapping screw is placed, the elasticity of the spring causes the second clamping block to automatically clamp the screw, accommodating self-tapping screws of different sizes without the need for frequent fixture changes, thus improving production efficiency. Simultaneously, the four clamping components are arranged in a circular array on the surface of the fixing block, enabling the simultaneous clamping of multiple screws and increasing the number of screws processed in a single spray-baking cycle. During rotation, a stable clamping force ensures that the screws will not fall or shift, guaranteeing the safety and continuity of the spray-baking process. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 This is a three-dimensional schematic diagram of the internal structure of the spray oven of this utility model;

[0020] Figure 3 This is a three-dimensional schematic diagram of the rotating mechanism of this utility model;

[0021] Figure 4 This is a three-dimensional schematic diagram of the worm gear and worm wheel structure of this utility model;

[0022] Figure 5 This is a three-dimensional schematic diagram of the second rotating shaft and the fixing block of this utility model.

[0023] Figure 6 This is a three-dimensional schematic diagram of the first and second clamping blocks of the present invention.

[0024] Figure 7This is a three-dimensional schematic diagram of the slide groove and guide rod of this utility model.

[0025] In the diagram: 1. Spray oven; 2. Glass door; 3. Exhaust pipe; 4. Heat dissipation hole; 5. Rotating mechanism; 51. First heat insulation plate; 52. Second heat insulation plate; 53. L-plate; 54. Servo motor; 55. Worm gear; 56. First rotating shaft; 57. Worm wheel; 58. Second rotating shaft; 6. Clamping mechanism; 61. Fixing block; 62. Slide groove; 63. Guide rod; 64. Fixing plate; 65. First clamping block; 66. Slide plate; 67. Second clamping block; 68. Spring. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present 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] This utility model provides the following technical solution: Example 1

[0029] Please see Figure 1-4 This utility model provides a technical solution: a spray oven for processing self-tapping screws, including a spray oven 1, a glass door 2 hinged to the left side of the front of the spray oven 1, an exhaust pipe 3 fixedly connected to the top of the spray oven 1 near the left side of the front, heat dissipation holes 4 opened on the left and right sides of the spray oven 1 near the bottom, a rotating mechanism 5 provided on the inner wall of the spray oven 1, and a clamping mechanism 6 provided on the surface of the rotating mechanism 5.

[0030] The rotating mechanism 5 includes a first heat insulation plate 51, which is fixedly connected to the inner wall of the spray oven 1 near the bottom. A second heat insulation plate 52 is fixedly connected to the front of the first heat insulation plate 51. An L-plate 53 is fixedly connected to the bottom of the inner wall of the spray oven 1. A servo motor 54 is fixedly connected to the front of the L-plate 53. A worm gear 55 is fixedly connected to the output end of the servo motor 54. A first rotating shaft 56 is rotatably connected to the bottom of the inner wall of the spray oven 1. A worm wheel 57 is fixedly connected to the surface of the first rotating shaft 56 near the bottom. A second rotating shaft 58 is fixedly connected to the top of the first rotating shaft 56.

[0031] The bottom of the second heat insulation plate 52 is fixedly connected to the bottom of the inner wall of the spray oven 1, and the left and right sides of the second heat insulation plate 52 are fixedly connected to the left and right sides of the inner wall of the spray oven 1.

[0032] The servo motor 54, worm gear 55, worm wheel 57 and first rotating shaft 56 are located between the inner wall of the spray oven 1 and the first heat insulation plate 51, and are cooled through the heat dissipation holes 4 to prevent the internal temperature from being too high and affecting the performance of the components.

[0033] The top of the first heat insulation plate 51 has a hole that matches the first rotating shaft 56, and the surface of the first rotating shaft 56 is penetrated and rotatably connected to the hole. The top of the second rotating shaft 58 is rotatably connected to the top of the inner wall of the spray oven 1, so that the rotation of the second rotating shaft 58 is more stable. Example 2

[0034] Please see Figure 5-7 Furthermore, based on Embodiment 1, a clamping mechanism 6 is obtained.

[0035] The clamping mechanism 6 includes a fixing block 61, which is fixedly connected to the surface of the second rotating shaft 58 at equal intervals. The front of the fixing block 61 has a sliding groove 62. The left and right sides of the inner wall of the sliding groove 62 are fixedly connected to guide rods 63. The surface of the guide rods 63 is fixedly connected to a fixing plate 64. The front of the fixing plate 64 is fixedly connected to a first clamping block 65. The surface of the guide rods 63 is slidably connected to a sliding plate 66. The front of the sliding plate 66 is fixedly connected to a second clamping block 67. A spring 68 is sleeved between the right side of the inner wall of the sliding groove 62 and the sliding plate 66 on the surface of the guide rods 63.

[0036] The surface of the fixed plate 64 is fixedly connected to the inner wall of the slide groove 62, and the surface of the slide plate 66 is slidably connected to the inner wall of the slide groove 62. The slide plate 66 is located to the right of the fixed plate 64, and the second clamping block 67 is located to the right of the first clamping block 65.

[0037] The right end of spring 68 is fixedly connected to the right side of the inner wall of slide 62, and the left end of spring 68 is fixedly connected to the right side of slide plate 66. There are four sets of slide 62, guide rod 63, fixing plate 64, first clamping block 65, slide plate 66, second clamping block 67 and spring 68, which are arranged in a circular array on the surface of fixing block 61.

[0038] In actual operation, when this device is in use, the operator opens the glass door 2, which is hinged on the left side of the front of the spray oven 1, and places the self-tapping screws to be sprayed into the clamping mechanism 6. The spring 68 of the clamping mechanism 6 is in a compressed state, pushing the slide plate 66 to the right, so that the second clamping block 67 moves away from the first clamping block 65. At this time, the screw is placed between the two. After releasing, the spring 68 returns to its original state, pushing the slide plate 66 to move the second clamping block 67 to the left, clamping the self-tapping screw together with the first clamping block 65. The four sets of clamping components arranged in a circular array can clamp multiple screws at the same time. After clamping, the glass door 2 is closed, and the rotating mechanism 5 inside the spray oven 1 starts to work. The servo motor 54 fixed on the front of the L plate 53 is powered on and started. The output end of the servo motor 54 drives the worm gear 55 to rotate. The worm gear 55 meshes with the worm wheel 57 fixed near the bottom of the surface of the first rotating shaft 56, transmitting the power of the servo motor 54 to the first rotating shaft 56, so that the first rotating shaft 56 starts to rotate. The second rotating shaft 58, fixedly connected to the top of the first rotating shaft 56, rotates synchronously. Since the first rotating shaft 56 passes through the first heat insulation plate 51 and the top of the second rotating shaft 58 is rotatably connected to the top of the inner wall of the spray oven 1, this stable support structure ensures that the second rotating shaft 58 rotates stably without shaking. During the rotation of the second rotating shaft 58, the fixing block 61 and clamping mechanism 6, fixedly connected to its surface, rotate accordingly, driving the self-tapping screw to perform circular motion within the spray oven 1. The baking lamp inside the spray oven 1 starts working, causing the coating on the screw surface to be evenly heated during rotation, achieving curing or forming the desired coating. The servo motor 54, worm gear 55, worm wheel 57, and the first rotating shaft 56 are located between the inner wall of the spray oven 1 and the first heat insulation plate 51. The heat generated during operation is discharged through the heat dissipation holes 4 opened on the left and right sides of the spray oven 1 near the bottom, preventing excessive internal temperature from affecting component performance. The exhaust gas and smoke generated during the baking process are discharged through the exhaust pipe 3 fixedly connected to the top of the baking oven 1 near the left side of the front, maintaining air circulation inside the baking oven 1, ensuring the baking quality, and reducing the harm of harmful gases to the operators. After the self-tapping screws have finished baking, the servo motor 54 and the heating device are turned off. After the internal temperature of the baking oven 1 drops, the glass door 2 is opened and the baked screws are taken out from the clamping mechanism 6, completing one baking process.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A self-tapping machining spray device comprising a spray oven (1), characterized in that: The spray oven (1) has a glass door (2) hinged to the left side of the front, and an exhaust pipe (3) is fixedly connected to the top of the spray oven (1) near the left side of the front. Heat dissipation holes (4) are opened on the left and right sides of the spray oven (1) near the bottom. A rotating mechanism (5) is provided on the inner wall of the spray oven (1), and a clamping mechanism (6) is provided on the surface of the rotating mechanism (5). The rotating mechanism (5) includes a first heat insulation plate (51), which is fixedly connected to the inner wall of the spray oven (1) near the bottom. A second heat insulation plate (52) is fixedly connected to the front of the first heat insulation plate (51). An L plate (53) is fixedly connected to the bottom of the inner wall of the spray oven (1). A servo motor (54) is fixedly connected to the front of the L plate (53). A worm gear (55) is fixedly connected to the output end of the servo motor (54). A first rotating shaft (56) is rotatably connected to the bottom of the inner wall of the spray oven (1). A worm wheel (57) is fixedly connected to the surface of the first rotating shaft (56) near the bottom. A second rotating shaft (58) is fixedly connected to the top of the first rotating shaft (56).

2. The spray device for self-tapping screw machining according to claim 1, characterized in that: The bottom of the second heat insulation plate (52) is fixedly connected to the bottom of the inner wall of the spray oven (1), and the left and right sides of the second heat insulation plate (52) are fixedly connected to the left and right sides of the inner wall of the spray oven (1).

3. The apparatus according to claim 1, wherein: The servo motor (54), worm (55), worm wheel (57) and first rotating shaft (56) are located between the inner wall of the spray oven (1) and the first heat insulation plate (51).

4. The apparatus according to claim 1, wherein: The top of the first heat insulation plate (51) is provided with a hole that matches the first rotating shaft (56), and the surface of the first rotating shaft (56) is rotatably connected to the hole. The top of the second rotating shaft (58) is rotatably connected to the top of the inner wall of the spray oven (1).

5. The apparatus according to claim 1, wherein: The clamping mechanism (6) includes a fixing block (61), which is fixedly connected to the surface of the second rotating shaft (58) at equal intervals. The front of the fixing block (61) is provided with a sliding groove (62). The left and right sides of the inner wall of the sliding groove (62) are fixedly connected with guide rods (63). The surface of the guide rods (63) is fixedly connected with a fixing plate (64). The front of the fixing plate (64) is fixedly connected with a first clamping block (65). The surface of the guide rods (63) is slidably connected with a sliding plate (66). The front of the sliding plate (66) is fixedly connected with a second clamping block (67). A spring (68) is sleeved between the right side of the inner wall of the sliding groove (62) and the sliding plate (66) on the surface of the guide rods (63).

6. The spray-on coating apparatus for self-tapping screw machining according to claim 5, characterized in that: The surface of the fixed plate (64) is fixedly connected to the inner wall of the slide groove (62), and the surface of the slide plate (66) is slidably connected to the inner wall of the slide groove (62). The slide plate (66) is located to the right of the fixed plate (64), and the second clamping block (67) is located to the right of the first clamping block (65).

7. The apparatus according to claim 5, wherein: The right end of the spring (68) is fixedly connected to the right side of the inner wall of the slide groove (62), and the left end of the spring (68) is fixedly connected to the right side of the slide plate (66). There are four sets of slide groove (62), guide rod (63), fixing plate (64), first clamping block (65), slide plate (66), second clamping block (67) and spring (68), which are arranged in a circular array on the surface of fixing block (61).

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