A twin-shaft reciprocating machine
By using a worm gear reduction structure and a self-locking mechanism, the problem of fixing the nozzle position of the dual-axis reciprocating machine is solved, enabling precise adjustment of the nozzle on workpieces of different specifications, and improving the uniformity of spraying and ease of operation.
Patent Information
- Application Number
- CN202522398015.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-12
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2035-11-12
AI Technical Summary
The existing dual-axis reciprocating machine has a fixed nozzle position, which requires disassembly and reinstallation when spraying workpieces of different specifications, making operation inconvenient.
It adopts a worm gear reduction structure and a self-locking mechanism. The worm is driven to rotate by a knob, which in turn drives the worm wheel to rotate, adjusting the reciprocating motion of the nozzle in the vertical and horizontal directions. Combined with the transmission gear rack and the pointer scale groove of the sliding plate, the nozzle spacing can be precisely adjusted.
It enables precise adjustment of the spray head on workpieces of different specifications, improves the uniformity of spraying and the accuracy of position adjustment, and simplifies the workpiece adaptability spraying process.
Smart Images

Figure CN224938426U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of spraying technology, and in particular to a dual-axis reciprocating machine. Background Technology
[0002] Spraying is a process that disperses liquid materials such as paints and coatings into fine droplets using a spray gun or atomizing equipment, allowing them to adhere to the surface of an object. The principle is to use pressure or centrifugal force to atomize the liquid material, which is then evenly sprayed onto the substrate surface through a spray gun or atomizer to form a coating. When spraying workpieces, a reciprocating machine is required to automatically and evenly spray the workpiece surface. A dual-axis reciprocating machine is a type of reciprocating machine that causes the nozzles on the machine to reciprocate in two directions, thus achieving uniform spraying.
[0003] Currently, existing dual-axis reciprocating machines typically include two reciprocating mechanisms with mutually perpendicular motion directions. The reciprocating mechanisms usually use lead screw transmission to convert the rotational motion of the drive motor into the reciprocating motion on the lead screw, thereby driving the nozzle to reciprocate in two directions to achieve uniform spraying.
[0004] However, in the case of a twin-axis reciprocating machine like the one mentioned above, the position of the nozzle is usually fixed. When spraying workpieces of different specifications, it is necessary to adjust the distance between the nozzle and the workpiece, which requires disassembling and reinstalling the nozzle, which is quite inconvenient. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a dual-axis reciprocating machine.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: A dual-axis reciprocating machine includes a first reciprocating mechanism, a support plate fixedly mounted on the top of the first reciprocating mechanism, a second reciprocating mechanism fixedly mounted on the top of the support plate, a mounting plate fixedly mounted on one side of the second reciprocating mechanism, two mounting brackets U-shaped on one side of the mounting plate, multiple connection ports on both sides of the mounting bracket, a transmission rack slidably mounted on two connection ports located on the same horizontal plane, multiple transmission gears rotatably connected to opposite sides of the two mounting brackets, the transmission gears meshing with the transmission racks, a nozzle fixedly mounted on one side of the transmission racks, and multiple drive mechanisms mounted on opposite ends of the two mounting brackets, the drive mechanisms being driven by the transmission gears.
[0007] The present invention is further configured such that the driving mechanism includes a mounting box fixedly connected to one end of the mounting frame, a rotating shaft rotatably connected to the inner walls of both ends of the mounting box, the rotating shaft being fixedly disposed with the transmission gear, a worm gear being fixedly disposed on the outer wall of the rotating shaft, and a worm being rotatably connected to the top inner wall and the bottom inner wall of the mounting box, the worm meshing with the worm gear.
[0008] The present invention is further configured such that a knob is rotatably connected to the top outer wall of the mounting box, and the knob is fixedly disposed between the knob and the worm gear.
[0009] The present invention is further configured such that one end of the mounting bracket is provided with a plurality of sliding openings, and a sliding plate is slidably disposed on the inner wall of the sliding opening, and the sliding plate is fixedly connected to the transmission rack.
[0010] The present invention is further configured such that a pointer is fixedly connected to one end of the sliding plate away from the transmission rack, and a plurality of scale grooves are provided at one end of the mounting bracket.
[0011] The present invention is further configured such that two fixing plates are fixedly connected to the middle of one end of the mounting plate, and a threaded sleeve is rotatably connected between the two fixing plates. Both ends of the threaded sleeve are threadedly connected to threaded rods, and the thread directions of the two threaded rods are opposite. A connecting plate is fixedly connected to one end of each of the two mounting brackets near the mounting plate, and the connecting plate is fixedly connected to the threaded rod.
[0012] The present invention is further configured such that a fixing member is fixedly connected to the top and bottom of one side of the mounting plate, a movable sleeve is fixedly provided inside the fixing member, and movable rods are inserted into both ends of the movable sleeve, and the movable rods are fixedly connected to the connecting plate.
[0013] The present invention is further provided that the outer wall of the threaded sleeve is fixedly provided with an anti-slip sleeve.
[0014] The beneficial effects of this utility model are as follows: 1. When using this dual-axis reciprocating machine, the device is first moved to the designated position. Then, the first and second reciprocating mechanisms drive the nozzle to reciprocate in the vertical and horizontal directions, thereby uniformly spraying the workpiece. When spraying workpieces of different shapes, the knob can be turned to drive the worm gear to rotate, which in turn drives the worm wheel to rotate. The rotating shaft drives the transmission gear to rotate, which in turn drives the transmission rack to move, thereby moving the nozzle. The distance between the nozzle and the workpiece to be sprayed can be adjusted to suit workpieces of different specifications. The speed reduction structure between the worm wheel and the worm reduces the speed of the nozzle movement, thereby increasing the accuracy of position adjustment. The self-locking structure between the worm wheel and the worm limits the transmission gear.
[0015] 2. In this dual-axis reciprocating machine, the transmission rack moves, driving the sliding plate to move within the sliding opening, which in turn moves the pointer. By using the pointer in conjunction with the scale groove, the length of the nozzle movement can be quickly observed, thereby increasing the accuracy of nozzle adjustment.
[0016] 3. When it is necessary to adjust the distance between the nozzles on the two mounting brackets, the threaded sleeve can be rotated to drive the two threaded rods to move synchronously inside the threaded sleeve. Since the threads of the two threaded rods are opposite, under the limiting action of the movable sleeve and the movable rod, the two mounting brackets are driven to move towards each other or away from each other, thereby adjusting the distance between the nozzles on the two mounting brackets. Attached Figure Description
[0017] Figure 1 This is a first-view structural diagram of the overall dual-axis reciprocating machine proposed in this utility model; Figure 2 This is a second-view structural diagram of the overall dual-axis reciprocating machine proposed in this utility model; Figure 3 This is a partial three-dimensional structural diagram of the transmission gear and transmission rack of a dual-shaft reciprocating machine proposed in this utility model; Figure 4 This is a partial three-dimensional structural diagram of a threaded sleeve and threaded rod for a dual-axis reciprocating machine proposed in this utility model; Figure 5 This is a partial side cross-sectional view of the worm gear and worm of a dual-axis reciprocating machine proposed in this utility model.
[0018] In the diagram: 1. First reciprocating mechanism; 2. Support plate; 3. Second reciprocating mechanism; 4. Mounting plate; 5. Mounting bracket; 6. Nozzle; 7. Connection port; 8. Transmission rack; 9. Transmission gear; 10. Mounting box; 11. Sliding port; 12. Sliding plate; 13. Pointer; 14. Scale groove; 15. Fixing plate; 16. Threaded sleeve; 17. Threaded rod; 18. Anti-slip sleeve; 19. Fixing component; 20. Movable sleeve; 21. Movable rod; 22. Worm gear; 23. Rotating shaft; 24. Worm; 25. Knob; 26. Connecting plate. Detailed Implementation
[0019] The technical solution of this patent will be further described in detail below with reference to specific embodiments.
[0020] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.
[0021] In the description of this patent, it should be understood that the terms “center,” “upper,” “lower,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this patent.
[0022] In the description of this patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.
[0023] Reference Figure 1-3 A dual-axis reciprocating machine includes a first reciprocating mechanism 1, a support plate 2 fixedly mounted on the top of the first reciprocating mechanism 1, and a second reciprocating mechanism 3 fixedly mounted on the top of the support plate 2. Both the first reciprocating mechanism 1 and the second reciprocating mechanism 3 consist of a drive motor, a lead screw, and a slider. The drive motor drives the lead screw to rotate, thereby driving the slider to move, thus performing reciprocating motion. This is prior art and common knowledge in the field, and will not be described in detail here. A mounting plate 4 is fixedly mounted on one side of the second reciprocating mechanism 3, and two mounting brackets 5 are provided on one side of the mounting plate 4. The mounting bracket 5 is U-shaped, with multiple connection ports 7 on both sides. Two connection ports 7 located on the same horizontal plane are slidably connected to a transmission rack 8. Multiple transmission gears 9 are rotatably connected to the opposite sides of the two mounting brackets 5. The transmission gears 9 mesh with the transmission rack 8. A nozzle 6 is fixedly installed on one side of the transmission rack 8. A feed hole is provided inside the transmission rack 8, which is connected to the feed port of the nozzle 6. A hose for conveying material is connected to the other end of the feed hole. Multiple drive mechanisms are provided at the opposite ends of the two mounting brackets 5. The drive mechanisms are connected to the transmission gears 9 for transmission.
[0024] Reference Figure 1 and Figure 5The drive mechanism includes a mounting box 10 fixedly connected to one end of the mounting bracket 5. Rotating shafts 23 are rotatably connected to the inner walls of both ends of the mounting box 10. The rotating shafts 23 are fixedly connected to the transmission gears 9. A worm wheel 22 is fixedly installed on the outer wall of the rotating shafts 23. A worm 24 is rotatably connected to the inner walls of the top and bottom of the mounting box 10. The worm 24 meshes with the worm wheel 22. The rotating shafts 23 and the transmission gears 9 are driven to rotate through the worm wheel 22 and the worm 24. A knob 25 is rotatably connected to the outer wall of the top of the mounting box 10. The knob 25 is fixedly installed to the worm 24. The worm 24 is easily driven to rotate through the knob 25.
[0025] Reference Figure 1 and Figure 3 The mounting bracket 5 has multiple sliding openings 11 at one end, and a sliding plate 12 is slidably disposed on the inner wall of the sliding opening 11. The sliding plate 12 is fixedly connected to the transmission rack 8. When the transmission rack 8 moves, it drives the sliding plate 12 to move within the sliding opening 11. A pointer 13 is fixedly connected to the end of the sliding plate 12 away from the transmission rack 8. The mounting bracket 5 has multiple scale grooves 14 at one end. The pointer 13 and the scale grooves 14 facilitate quick observation of the length of the transmission rack 8 movement.
[0026] Reference Figure 1 , Figure 3 and Figure 4 Two fixing plates 15 are fixedly connected to the middle of one end of the mounting plate 4. A threaded sleeve 16 is rotatably connected between the two fixing plates 15. Both ends of the threaded sleeve 16 are threadedly connected to threaded rods 17. The threads of the two threaded rods 17 are opposite in direction. A connecting plate 26 is fixedly connected to the end of each mounting bracket 5 near the mounting plate 4. The connecting plate 26 is fixedly connected to the threaded rods 17. The distance between the two mounting brackets 5 can be quickly adjusted by the threaded rods 17 and the threaded sleeve 16. Fixing members 19 are fixedly connected to the top and bottom of one side of the mounting plate 4. A movable sleeve 20 is fixedly installed inside the fixing member 19. Movable rods 21 are inserted into both ends of the movable sleeve 20. The movable rods 21 are fixedly connected to the connecting plate 26. The movable sleeves 20 and the movable rods 21 limit the movement of the two mounting brackets 5. An anti-slip sleeve 18 is fixedly installed on the outer wall of the threaded sleeve 16. The anti-slip sleeve 18 facilitates the rotation of the threaded sleeve 16.
[0027] Working principle: In use, the device is first moved to the designated position. Then, the first reciprocating mechanism 1 and the second reciprocating mechanism 3 drive the nozzle 6 to reciprocate in the vertical and horizontal directions, thereby uniformly spraying the workpiece. When spraying workpieces of different shapes, the knob 25 can be rotated, which drives the worm gear 24 to rotate, thereby driving the worm wheel 22 to rotate. The rotating shaft 23 drives the transmission gear 9 to rotate, thereby driving the transmission rack 8 to move, and thus driving the nozzle 6 to move. The distance between the nozzle 6 and the workpiece to be sprayed can be adjusted to suit workpieces of different specifications. The speed reduction structure between the worm wheel 22 and the worm 24 reduces the speed of the nozzle 6, thereby increasing the accuracy of position adjustment. The self-locking structure between the worm wheel 22 and the worm 24 limits the transmission gear 9.
[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A double-shaft reciprocating machine, comprising a first reciprocating mechanism (1), a support plate (2) is fixedly arranged at the top of the first reciprocating mechanism (1), and a second reciprocating mechanism (3) is fixedly arranged at the top of the support plate (2), characterized in that, A mounting plate (4) is fixedly provided on one side of the second reciprocating mechanism (3). Two mounting brackets (5) are provided on one side of the mounting plate (4). The mounting brackets (5) are U-shaped. Multiple connection ports (7) are provided on both sides of the mounting brackets (5). A transmission rack (8) is slidably provided on the two connection ports (7) located on the same horizontal plane. Multiple transmission gears (9) are rotatably connected on the opposite side of the two mounting brackets (5). The transmission gears (9) mesh with the transmission racks (8). A nozzle (6) is fixedly provided on one side of the transmission racks (8). Multiple drive mechanisms are provided on the opposite ends of the two mounting brackets (5). The drive mechanisms are connected to the transmission gears (9) for transmission.
2. A twin-shaft reciprocating machine according to claim 1, characterized in that The drive mechanism includes a mounting box (10) fixedly connected to one end of the mounting frame (5). Rotating shafts (23) are rotatably connected to the inner walls of both ends of the mounting box (10). The rotating shafts (23) are fixedly connected to the transmission gear (9). A worm wheel (22) is fixedly provided on the outer wall of the rotating shaft (23). A worm (24) is rotatably connected to the inner walls of the top and bottom of the mounting box (10). The worm (24) meshes with the worm wheel (22).
3. A twin-shaft reciprocating machine according to claim 2, wherein A knob (25) is rotatably connected to the top outer wall of the mounting box (10), and the knob (25) is fixedly disposed between the worm gear (24).
4. A twin-axis reciprocating machine according to claim 1, characterized in that, The mounting bracket (5) has multiple sliding openings (11) at one end. A sliding plate (12) is slidably provided on the inner wall of the sliding opening (11). The sliding plate (12) is fixedly connected to the transmission rack (8).
5. A twin-shaft reciprocating machine according to claim 4, wherein A pointer (13) is fixedly connected to one end of the sliding plate (12) away from the transmission rack (8), and multiple scale grooves (14) are opened at one end of the mounting bracket (5).
6. A twin-shaft reciprocating machine as claimed in claim 1, characterized in that Two fixing plates (15) are fixedly connected to the middle of one end of the mounting plate (4). A threaded sleeve (16) is rotatably connected between the two fixing plates (15). Both ends of the threaded sleeve (16) are connected to threaded rods (17) by threads. The threads of the two threaded rods (17) are opposite in direction. A connecting plate (26) is fixedly connected to one end of each of the two mounting brackets (5) near the mounting plate (4). The connecting plate (26) is fixedly connected to the threaded rod (17).
7. A twin-axis reciprocating machine according to claim 6, characterized in that, The mounting plate (4) has a fixing member (19) fixedly connected to the top and bottom of one side. A movable sleeve (20) is fixedly installed inside the fixing member (19). Movable rods (21) are inserted into both ends of the movable sleeve (20). The movable rods (21) are fixedly connected to the connecting plate (26).
8. A twin-shaft reciprocating machine according to claim 7, characterized in that, The outer wall of the threaded sleeve (16) is fixedly provided with an anti-slip sleeve (18).
