Positioning device based on helical blade welding

Abstract

The utility model discloses a positioning device based on spiral blade welding, which relates to the field of auger spiral body production, and adopts the technical scheme that the positioning device comprises a circular ring rotationally supported by a slewing bearing, the circle center of the circular ring is flush with the circle center of a spiral shaft, and clamping components are mounted on two sides of the circular ring. When the spiral blade rotates, the spiral blade drives the circular ring to rotate, and the circular ring rotates along the inner side wall of the slewing bearing, so that the angle of the spiral blade is changed, a worker can conveniently observe and finally select a proper welding angle, and when the spiral blade rotates, the circular ring is driven to rotate through the clamping assembly, and the circular ring rotates along the interior of the slewing bearing; during welding, the angle of the circular ring relative to the slewing bearing is fixed through the fixing structure, normal welding operation can be carried out, a worker does not need to hold the spiral blade by hand, and therefore manpower is saved.

Description

Technical Field

[0001] The utility model relates to the field of production of auger helicoids, and more specifically, to a positioning device based on spiral blade welding. Background Art

[0002] The auger helicoid, also known as the core component of a screw conveyor, is mainly composed of a spiral blade and a spiral shaft. The spiral blade is usually made of wear-resistant and corrosion-resistant materials and is welded to the spiral shaft. The spiral shaft is generally a solid or hollow cylindrical rod made of high-strength steel, with good load-bearing capacity and transmission performance. The auger helicoid drives the spiral shaft to rotate through a motor, driving the spiral blade to push the material forward to achieve the transportation of the material. It is widely used in various industries, such as building materials, chemical industry, metallurgy, food, etc., and can transport materials in different forms such as powders, granules, and small pieces.

[0003] In the production process of the auger helicoid, welding the spiral blade to the spiral shaft is a crucial step. The threaded blade needs to frequently change its angle when being welded to the spiral shaft. Different angles enable the operator to observe the fit degree between the blade and the shaft from multiple directions, so as to adjust in time to ensure that the blades are evenly distributed around the spiral shaft and avoid skewing or asymmetry. However, in the prior art, the threaded shaft is generally fixed, and then the angle of the spiral blade is adjusted manually (after the spiral blade is sleeved on the spiral shaft, the sleeve in the middle of the threaded blade generally has a larger diameter than the threaded shaft for easy insertion onto the threaded shaft). It is very difficult to keep the center of the threaded blade flush with the threaded shaft, ultimately affecting the quality of the produced auger helicoid. At the same time, during welding, the staff still needs to hold it by hand, which is quite labor-consuming.

[0004] Therefore, in order to solve the above technical problems, this application proposes a positioning device based on spiral blade welding. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a positioning device based on spiral blade welding.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A positioning device based on spiral blade welding, including a ring supported by a slewing bearing in rotation. Among them, the center of the ring is flush with the center of the spiral shaft. Clamping components are installed on both sides of the ring to clamp both sides of the threaded blade; A fixing structure is provided between the ring and the slewing bearing to fix the angle of the ring. A moving component is installed at the bottom of the slewing bearing to maintain the linear movement of the slewing bearing and the ring relative to the spiral shaft.

[0007] The clamping assembly includes a transmission device that drives two clamping plates to move towards the middle for clamping. One of the clamping plates located on the back of the ring can rotate to prevent it from affecting the clamping part of the threaded blade reaching the ring.

[0008] Preferably, a motor is installed on one transmission end of the transmission device. The rotating shaft part of the motor is fixed to the clamping plate through a rotating plate to rotate one of the clamping plates.

[0009] Preferably, the fixing structure includes a screw hole opened on the outer side wall of the ring at the protruding part of the slewing bearing. The surface of the slewing bearing is fixedly connected with an arc plate provided with through holes thereon. By passing a large screw through the through holes on the arc plate and then rotating it clockwise into the screw hole at the corresponding angle on the ring, the angle of the ring can be fixed.

[0010] Preferably, a lifting assembly is installed between the moving assembly and the slewing bearing. The slewing bearing can be driven to move up and down through the lifting assembly, so as to adapt to different screw shaft fixing devices.

[0011] Preferably, the lifting assembly includes an outer column fixed to the moving assembly. An inner column is slidably connected inside the outer column. Connecting plates are fixedly connected to both the front and back sides of the outer column. A telescopic rod is fixedly connected to the surface of the connecting plate. The head of the telescopic rod is fixedly connected with a vertical plate, and a plugging block is welded on the surface of the vertical plate. A through groove for the plugging block to pass through is opened at the side end of the outer column. A plurality of slots for the plugging block to be inserted are opened at equal distances and arranged in an array at the side end of the inner column.

[0012] Preferably, the moving assembly includes a base. A guide rail for the slider to slide is fixedly connected to the top end of the base. A moving platform is fixedly connected to the top end of the slider. The top of the moving platform is fixed to the bottom of the outer column. The linear movement of the slewing bearing and the ring is maintained through the slider and the guide rail.

[0013] Preferably, rollers that can roll along the top surface of the base are installed on both sides of the bottom end of the moving platform where the slider is located. The rollers can reduce the required driving force through rolling, making it more convenient for the staff to operate.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. When the utility model rotates the spiral blade, the spiral blade will drive the rotation of the ring. The ring rotates along the inner wall of the slewing bearing, thereby changing the angle of the threaded blade, which is convenient for the staff to observe, and finally select the appropriate welding angle. When the spiral blade rotates, it will drive the rotation of the ring through the clamping component. The ring rotates inside the slewing bearing to maintain the spiral blade always at the position flush with the center of the threaded shaft. During welding, the angle of the ring relative to the slewing bearing is fixed through the fixing structure, and normal welding operations can be carried out without the need for the staff to hold by hand, thus saving manpower. This solves the problem that when the staff rotates the spiral blade in the background technology, it is difficult to keep the center of the spiral blade flush with the threaded shaft, which affects the quality of the produced auger spiral body. At the same time, during welding, the staff still needs to hold by hand, which is quite labor-consuming.

[0016] 2. The utility model can drive the slewing bearing to move up and down through the lifting component, so as to adapt to different spiral shaft fixing devices.

[0017] 3. Through the design of the rollers, when the slewing bearing is pushed to move, the rollers can reduce the required driving force through rolling, making it more convenient for the staff to operate. Description of the Drawings

[0018] The drawings described herein are used to provide a further understanding of the utility model, and constitute a part of this application. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model. In the drawings:

[0019] Figure 1 is the schematic diagram of the overall structure of the utility model;

[0020] Figure 2 is the Figure 1 enlarged view of the partial structure A of the utility model;

[0021] Figure 3 is the schematic diagram of the specific structure on the back of the utility model;

[0022] Figure 4 is the Figure 3 enlarged view of the partial structure B of the utility model;

[0023] Figure 5 is the schematic diagram of the specific structure on the side of the utility model.

[0024] In the figure: 1, slewing bearing; 2, ring; 3, clamping assembly; 301, clamping plate; 302, transmission device; 303, motor; 304, rotating plate; 4, fixing structure; 401, screw hole; 402, arc plate; 403, through hole; 5, moving assembly; 501, base; 502, guide rail; 503, slider; 504, moving table; 505, roller; 6, lifting assembly; 601, outer column; 602, inner column; 603, connecting plate; 604, telescopic rod; 605, vertical plate; 606, inserting block; 607, through slot; 608, slot. Detailed implementation mode

[0025] As Figures 1-5 shown, the present utility model provides a positioning device based on spiral blade welding, which includes a ring 2 rotationally supported by a slewing bearing 1. Among them, the center of the ring 2 is flush with the center of the spiral shaft. Clamping assemblies 3 are installed on both sides of the ring 2 to clamp both sides of the threaded blade; a fixing structure 4 is arranged between the ring 2 and the slewing bearing 1 to fix the angle of the ring 2, and a moving assembly 5 is installed at the bottom of the slewing bearing 1;

[0026] The clamping assembly 3 includes a transmission device 302 that drives two clamping plates 301 to move towards the middle for clamping, and one clamping plate 301 located on the back side of the ring 2 can rotate.

[0027] First, fix the spiral shaft (through the spiral shaft fixing device). Then, by pushing the movement of the slewing bearing 1 (the moving component 5 enables the slewing bearing 1 to move and can maintain the linear movement of the slewing bearing 1 and the ring 2 relative to the spiral shaft), insert the slewing bearing 1 and the ring 2 onto the spiral shaft (the center of the ring 2 is flush with the center of the threaded shaft). Then, insert the threaded blade onto the spiral shaft and at the same time enter the ring 2 to reach the clamping and fixing position. At this time, the clamping plate 301 on one side rotates to the side without affecting the threaded blade reaching the clamping position. Then, rotate the clamping plate 301 on this side to a position flush with the non-rotatable clamping plate 301, lift the threaded blade so that its center is flush with the center of the spiral shaft. Then, drive the two clamping plates 301 to move towards the middle part through the transmission device 302 to clamp and fix the threaded blade (it should be noted that the present invention does not limit the shape of the clamping plate 301, and the staff can reasonably rotate the shape of the clamping plate 301 for more reliable clamping) to clamp and fix the spiral blade on the ring 2. In this way, when the staff rotates the spiral blade, the spiral blade will drive the rotation of the ring 2, and the ring 2 rotates along the inner side wall of the slewing bearing 1, thereby changing the angle of the threaded blade, facilitating the staff to observe, and finally selecting a suitable welding angle. When the spiral blade rotates, it will drive the rotation of the ring 2 through the clamping component 3, and the ring 2 rotates inside the slewing bearing 1 to maintain the spiral blade always in a position flush with the center of the threaded shaft. During welding, fix the angle of the ring 2 relative to the slewing bearing 1 through the fixing structure 4, and normal welding operations can be carried out without the need for the staff to hold by hand, thus saving manpower. And after the spiral blade is fixed, the welding position of the spiral blade relative to the threaded shaft can still be changed by pushing the slewing bearing 1.

[0028] A motor 303 is installed on one transmission end of the transmission device 302. The rotating shaft part of the motor 303 is fixed to the clamping plate 301 through a rotating plate 304, that is, the motor 303 drives the rotation of the rotating plate 304, and finally drives the rotation of the clamping plate 301, so as to rotate the clamping plate 301 to prevent it from affecting the threaded blade reaching the clamping position. The fixing structure 4 includes screw holes 401 opened on the protruding part of the outer side wall of the ring 2 from the slewing bearing 1 (circumferentially arranged on the outer side wall of the ring 2). The surface of the slewing bearing 1 is fixedly connected with an arc-shaped plate 402 with through holes 403 opened thereon. That is, after the welding angle of the threaded blade fixed on the ring 2 is confirmed, a large screw can pass through the through hole 403 on the arc-shaped plate 402 and then be screwed clockwise into the corresponding angle screw hole 401 on the ring 2 to fix the angle of the ring 2, so that welding operations can be carried out without the need for the staff to hold by hand.

[0029] The moving component 5 includes a base 501. At the top end of the base 501, a guide rail 502 for the slider 503 to slide is fixedly connected. At the top end of the slider 503, a moving platform 504 is fixedly connected. The top of the moving platform 504 is fixed to the bottom of the outer column 601. That is, when the slewing bearing 1 moves, it will drive the movement of the slider 503 through the moving platform 504, and the slider 503 slides along the guide rail 502 to maintain the linear movement of the slewing bearing 1. Moreover, rollers 505 that can roll along the top surface of the base 501 are installed on both sides of the bottom end of the moving platform 504 and on both sides of the slider 503. Through the design of the rollers 505, when pushing the slewing bearing 1 to move, the rollers 505 can reduce the required driving force through rolling, making it more convenient for the staff to operate.

[0030] Moreover, a lifting component 6 is installed between the moving component 5 and the slewing bearing 1. Through the lifting component 6, the slewing bearing 1 can be driven to move up and down, so as to adapt to different screw shaft fixing devices (for different screw shaft fixing devices, the heights at which the screw shafts are fixed are different, so as to always keep the center of the slewing bearing 1 flush with the center of the screw shaft). The following is the specific structure of the lifting component 6: The lifting component 6 includes an outer column 601 fixed to the moving component 5. An inner column 602 is slidably connected inside the outer column 601. Connecting plates 603 are fixedly connected to the front and rear sides of the outer column 601. A telescopic rod 604 is fixedly connected to the surface of the connecting plate 603. The head of the telescopic rod 604 is fixedly connected to a vertical plate 605. And a plug-in block 606 is welded to the surface of the vertical plate 605. A through groove 607 for the plug-in block 606 to pass through is opened at the side end of the outer column 601. A plurality of slots 608 for the plug-in block 606 to be inserted into are opened at equal distances and arranged in an array at the side end of the inner column 602. That is, when pulling the slewing bearing 1 to move up and down, the slewing bearing 1 drives the up and down movement of the inner column 602, and the inner column 602 moves up and down along the outer column 601. When moving to a suitable position, push the vertical plate 605 towards the outer column 601. The vertical plate 605 drives the movement of the plug-in block 606, so that the plug-in block 606 passes through the through groove 607 on the outer column 601 and is inserted into the slot 608 at the corresponding angle of the inner column 602, thereby fixing the height of the inner column 602 relative to the outer column 601, and also fixing the height of the slewing bearing 1. On the contrary, pull the vertical plate 605 in the opposite direction to pull out the plug-in block 606 from the slot 608 and the through groove 607, and then the height adjustment of the slewing bearing 1 can be continued.

[0031] The above are only the preferred embodiments of the present utility model, and do not impose any formal restrictions on the present utility model; any ordinary technician in the industry can smoothly implement the present utility model according to what is shown in the accompanying drawings of the specification and the above description; however, any minor changes, modifications, and equivalent variations made by those skilled in the art within the scope of the technical solution of the present utility model by using the technical content disclosed above are all equivalent embodiments of the present utility model; at the same time, any changes, modifications, and equivalent variations made to the above embodiments based on the essential technology of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A positioning device based on spiral blade welding, characterized in that: It includes a ring (2) rotatably supported by a slewing bearing (1), wherein the center of the ring (2) is flush with the center of the spiral shaft. Clamping components (3) are installed on both sides of the ring (2) to clamp both sides of the threaded blade; A fixing structure (4) is provided between the ring (2) and the slewing bearing (1) to fix the angle of the ring (2). A moving component (5) is installed at the bottom of the slewing bearing (1) to maintain the linear movement of the slewing bearing (1) and the ring (2) relative to the spiral shaft; The clamping component (3) includes a transmission device (302) that drives two clamping plates (301) to move towards the middle for clamping. One of the clamping plates (301) located on the back side of the ring (2) can rotate.

2. The positioning device based on spiral blade welding according to claim 1, characterized in that: A motor (303) is installed on one transmission end of the transmission device (302), and the rotating shaft part of the motor (303) is fixed to the clamping plate (301) through a rotating plate (304).

3. The positioning device based on spiral blade welding according to claim 1, wherein: The fixing structure (4) includes a screw hole (401) opened on the outer side wall of the ring (2) at the protruding part from the slewing bearing (1), and an arc-shaped plate (402) with a through hole (403) opened on its surface is fixedly connected to the surface of the slewing bearing (1).

4. The positioning device based on spiral blade welding according to claim 1, characterized in that: A lifting component (6) is installed between the moving component (5) and the slewing bearing (1).

5. A positioning device based on spiral blade welding according to claim 4, characterized in that: The lifting component (6) includes an outer column (601) fixed to the moving component (5). An inner column (602) is slidably connected inside the outer column (601). Connecting plates (603) are fixedly connected to both the front and rear sides of the outer column (601). A telescopic rod (604) is fixedly connected to the surface of the connecting plate (603). The head of the telescopic rod (604) is fixedly connected to a vertical plate (605), and a plug-in block (606) is welded to the surface of the vertical plate (605). A through groove (607) for the plug-in block (606) to pass through is opened at the side end of the outer column (601). A plurality of slots (608) for the plug-in block (606) to be inserted into are opened at equal distances and arranged in an array on the side end of the inner column (602).

6. The positioning device based on spiral blade welding according to claim 5, characterized in that: The moving component (5) includes a base (501). A guide rail (502) for a slider (503) to slide is fixedly connected to the top end of the base (501). A moving platform (504) is fixedly connected to the top end of the slider (503). The top of the moving platform (504) is fixed to the bottom of the outer column (601).

7. A positioning device based on spiral blade welding according to claim 6, characterized in that: Rollers (505) that can roll along the top surface of the base (501) are installed on both sides of the bottom end of the moving platform (504) where the slider (503) is located.

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