Precise positioning and welding clamp for saw teeth of metal saw blade
By designing a precision welding fixture for metal saw blade teeth, the problems of slag accumulation and inaccurate tooth positioning were solved, achieving efficient welding and automatic slag collection, thus improving welding efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-03
AI Technical Summary
The existing metal saw blade welding process is cumbersome due to the accumulation of welding slag, which affects welding efficiency and requires subsequent cleaning. In addition, the saw teeth positioning is inaccurate, which affects the welding quality.
Design a metal saw blade tooth precision positioning welding fixture, including a protective mechanism and a positioning mechanism. The screw rod drives the pressure plate to press the top of the saw blade, the scraper removes the welding slag, and the welding slag enters the processing box for collection through the suction groove and the flexible conveying pipe. The positioning mechanism achieves precise alignment of the saw teeth through the limit plate and the tooth groove positioning plate.
It enables automatic collection and removal of welding slag during the welding process, improving welding efficiency, ensuring consistent saw tooth spacing, stable welding quality, and reducing subsequent cleaning work.
Smart Images

Figure CN223960788U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal saw blade tooth welding technology, specifically a precision positioning welding fixture for metal saw blade teeth. Background Technology
[0002] Metal saw blades are a common type of cutting tool that can be used with various types of band saws. The required saw blade length varies depending on the type of equipment. When a longer saw blade is needed, two saw blades need to be welded together, which requires a metal saw blade tooth precision positioning welding fixture.
[0003] In existing technology, two saw blades are placed on a worktable with their top edges aligned. The saw blades are then positioned by a saw tooth block, ensuring that the tooth spacing at the weld joint is consistent with the rest of the saw teeth. A protective block then protects both sides of the weld joint to prevent welding from affecting the rest of the saw teeth, resulting in slag being distributed around the weld joint. However, in actual use, a large amount of slag accumulates after the weld joint of the two saw blades is completed. The saw blades need to be removed and scraped off with a scraper, which is tedious and time-consuming, affecting welding efficiency. Furthermore, the slag falling to the ground requires subsequent processing. Therefore, it is necessary to develop a metal saw blade tooth precision positioning welding fixture to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a precision positioning welding fixture for metal saw blade teeth to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a metal saw blade tooth precision positioning welding fixture, including an operating table, two metal saw blade bodies are provided on the top of the operating table, a protective mechanism is provided on the top of the operating table, and a positioning mechanism is provided inside the operating table.
[0006] Preferably, the protective mechanism includes a vertical plate, which is fixedly installed on the top of the operating table. Two fixed columns are fixedly installed on the top of the vertical plate. A rotating plate is rotatably installed on the outside of each of the two fixed columns. A threaded rod is threaded inside the rotating plate. A pressure plate is rotatably installed on the bottom of the threaded rod. Protective blocks are provided on the top of each of the two metal saw blade bodies. A threaded rod is threaded inside the left protective block. A shovel plate is rotatably installed on the right end of the threaded rod. Two limiting columns are fixedly installed on the left side of the shovel plate. A suction groove is opened inside the right protective block. A flexible conveying pipe is fixedly installed on the right side of the right protective block. A processing box is fixedly installed at the bottom of the operating table. A pump is provided on the front of the processing box. A collection frame is provided inside the processing box. An inclined filter plate is fixedly installed inside the collection frame. A baffle is rotatably installed inside the processing box to limit the installation of the collection frame.
[0007] Preferably, the baffle is located on the right side of the collection frame, and the end of the flexible conveying pipe away from the protective block is fixedly installed with the processing box. Ventilation holes are provided at corresponding positions of the collection frame and the flexible conveying pipe, so that air drives the welding slag to move.
[0008] Preferably, the suction groove corresponds to the position of the shovel plate, both of the limiting posts are slidably installed inside the left protective block, and the pressure plate is set on the top of the protective block to press the protective block tightly against the top of the metal saw blade body.
[0009] Preferably, the positioning mechanism includes two limiting plates, both of which are fixedly installed on the top of the operating table. An electric telescopic rod is fixedly installed inside the operating table, and a slider is fixedly installed at the output end of the electric telescopic rod. A rubber ring is fixedly installed inside the slider, and a toothed positioning plate is inserted into the rubber ring. The toothed positioning plate positions the saw teeth of the two metal saw blade bodies, so that the tooth spacing at the weld seam between the two metal saw blade bodies is consistent with the other parts, thereby accurately positioning the saw teeth of the two metal saw blade bodies.
[0010] Preferably, the tooth groove of the toothed positioning plate matches the saw teeth of the metal saw blade body, the toothed positioning plate is inserted into the inside of the slider, and the slider is slidably installed inside the operating table, driving the toothed positioning plate to approach the saw teeth of the two metal saw blade bodies.
[0011] Compared with the prior art, this utility model provides a precision positioning welding fixture for metal saw blade teeth, which has the following advantages:
[0012] 1. This metal saw blade tooth precision positioning welding fixture uses a threaded rod to drive the pressure plate down and press the protective block onto the top of the metal saw blade body, limiting the welding area. Then, the threaded rod 2, in conjunction with two limiting posts, drives the scraper to remove the welding slag protruding from the top of the metal saw blade body, avoiding subsequent disassembly and speeding up the welding efficiency.
[0013] 2. Based on this, the present invention uses a pump to drive the removed welding slag into the processing box through a suction trough and a flexible conveying pipe. The slag is then collected in a collection frame under the obstruction of an inclined filter plate, which facilitates subsequent recycling and ensures the cleanliness of the workbench for the next use.
[0014] 3. Based on this, the present invention limits one side of the metal saw blade body by a limiting plate, and then installs the corresponding tooth groove positioning plate with a rubber ring and a slider. The electric telescopic rod drives the tooth groove positioning plate to limit the saw teeth of the metal saw blade body, and accurately positions the saw teeth of the two metal saw blade bodies, which facilitates subsequent welding. Attached Figure Description
[0015] 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.
[0016] Figure 1 This is a schematic diagram of the appearance and structure of this utility model;
[0017] Figure 2 This is a cross-sectional exploded view of the protective mechanism of this utility model;
[0018] Figure 3 This is an exploded cross-sectional view of the processing box and its connected mechanisms of this utility model.
[0019] Figure 4 This is a cross-sectional exploded view of the positioning mechanism of this utility model.
[0020] In the diagram: 1. Operating table; 2. Metal saw blade body; 3. Protective mechanism; 31. Vertical plate; 32. Fixed column; 33. Rotating plate; 34. Threaded rod one; 35. Pressure plate; 36. Protective block; 37. Threaded rod two; 38. Shovel plate; 39. Limiting column; 310. Suction groove; 311. Flexible conveying pipe; 312. Processing box; 313. Pump; 314. Collection frame; 315. Inclined filter plate; 316. Baffle; 4. Positioning mechanism; 41. Limiting plate; 42. Electric telescopic rod; 43. Slider; 44. Rubber ring; 45. Toothed positioning plate. Detailed Implementation
[0021] 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.
[0022] 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.
[0023] Example 1:
[0024] Please see Figure 1-3 This utility model provides a technical solution: a metal saw blade tooth precision positioning welding fixture, including an operating table 1, two metal saw blade bodies 2 are provided on the top of the operating table 1, a protective mechanism 3 is provided on the top of the operating table 1, and a positioning mechanism 4 is provided inside the operating table 1.
[0025] Furthermore, the protective mechanism 3 includes a vertical plate 31, which is fixedly installed on the top of the operating table 1. Two fixed posts 32 are fixedly installed on the top of the vertical plate 31. A rotating plate 33 is rotatably installed on the outside of each of the two fixed posts 32. A threaded rod 34 is threaded inside the rotating plate 33. A pressure plate 35 is rotatably installed on the bottom of the threaded rod 34. Protective blocks 36 are provided on the top of each of the two metal saw blade bodies 2. A threaded rod 37 is threaded inside the left protective block 36. A scraper is rotatably installed on the right end of the threaded rod 37. 38. Two limiting posts 39 are fixedly installed on the left side of the shovel plate 38. A suction groove 310 is opened inside the right protective block 36. A flexible conveying pipe 311 is fixedly installed on the right side of the right protective block 36. A processing box 312 is fixedly installed at the bottom of the operating platform 1. A pump 313 is provided on the front of the processing box 312. A collection frame 314 is provided inside the processing box 312. An inclined filter plate 315 is fixedly installed inside the collection frame 314. A baffle 316 is rotatably installed inside the processing box 312 to limit the installation of the collection frame 314.
[0026] Furthermore, the baffle 316 is located on the right side of the collection frame 314, and the end of the flexible conveying pipe 311 away from the protective block 36 is fixedly installed with the processing box 312. Ventilation holes are provided at the corresponding positions of the collection frame 314 and the flexible conveying pipe 311, so that air drives the welding slag to move.
[0027] Furthermore, the suction groove 310 corresponds to the position of the shovel plate 38, and the two limiting posts 39 are slidably installed inside the left protective block 36. The pressure plate 35 is set on the top of the protective block 36, pressing the protective block 36 tightly against the top of the metal saw blade body 2.
[0028] Example 2:
[0029] Please see Figure 4 Furthermore, in conjunction with Embodiment 1, the positioning mechanism 4 includes two limiting plates 41, both of which are fixedly installed on the top of the operating table 1. An electric telescopic rod 42 is fixedly installed inside the operating table 1. A slider 43 is fixedly installed at the output end of the electric telescopic rod 42. A rubber ring 44 is fixedly installed inside the slider 43. A toothed positioning plate 45 is inserted into the rubber ring 44. The toothed positioning plate 45 positions the saw teeth of the two metal saw blade bodies 2, so that the saw tooth spacing at the weld seam between the two metal saw blade bodies 2 is consistent with the other parts, thereby accurately positioning the saw teeth of the two metal saw blade bodies 2.
[0030] Furthermore, the tooth groove of the tooth groove positioning plate 45 matches the saw teeth of the metal saw blade body 2. The tooth groove positioning plate 45 is inserted into the inside of the slider 43. The slider 43 is slidably installed inside the operating table 1, which drives the tooth groove positioning plate 45 to approach the saw teeth of the two metal saw blade bodies 2.
[0031] In actual operation, when this device is used, the two metal saw blade bodies 2 are placed on top of the operating table 1 with one side aligned with the limiting plate 41. Then, they are moved towards the center, and the toothed positioning plate 45 corresponding to the metal saw blade body 2 to be welded is inserted into the inside of the slider 43. Due to the elasticity of the rubber ring 44, the toothed positioning plate 45 is installed. Then, the electric telescopic rod 42 is activated to move the slider 43, bringing the toothed positioning plate 45 close to the saw teeth of the two metal saw blade bodies 2. The toothed positioning plate 45 positions the saw teeth of the two metal saw blade bodies 2. During this process, the positions of the two metal saw blade bodies 2 are slightly adjusted. The spacing of the saw teeth at the weld seam between the two metal saw blade bodies 2 is made consistent with the rest of the body, thus accurately positioning the saw teeth of the two metal saw blade bodies 2 for subsequent welding. Then, two protective blocks 36 are placed on top of the two metal saw blade bodies 2, with the weld seam between the two protective blocks 36. The rotating plate 33 is then rotated so that the pressure plate 35 is positioned above the protective blocks 36. The threaded rod 34, threaded inside the rotating plate 33, is then rotated, causing the pressure plate 35 to descend and press the protective blocks 36 firmly against the top of the metal saw blade bodies 2. This limits the welding area, preventing the welding from affecting the rest of the metal saw blade bodies 2 and also ensuring smooth welding. The metal saw blade body 2 is more stable, resulting in better welding. Similarly, another protective block 36 is pressed against the top of the other metal saw blade body 2. Then, the weld seam between the two metal saw blade bodies 2 is welded using an external welding machine. During welding, the pump 313 is activated, allowing welding fumes to enter the processing box 312 through the suction trough 310 and the flexible conveying pipe 311. After being filtered by the inclined filter plate 315, the fumes are discharged through the pump 313, providing a clear view of the weld area and facilitating observation of the welding process. After welding is completed, the welding head is moved away from the two protective blocks 36. Then, the threaded rod 37 is rotated and threaded onto the shovel plate 38, moving it to the right. This causes the shovel plate 38 to be positioned by the two limiting posts 39. The stable movement under the action of the pump 313 allows the scraper plate 38 to remove the welding slag protruding from the top of the metal saw blade body 2. The removed welding slag is then pumped by the pump 313 into the collection frame 314 through the suction groove 310 and the flexible conveying pipe 311. The welding slag is retained inside the collection frame 314 by the inclined filter plate 315, which facilitates subsequent recycling and saves resources. It also avoids the problem of a large amount of welding slag accumulating after welding the two metal saw blade bodies 2, which requires removing the metal saw blade body 2 and scraping it with a scraper, which is cumbersome and time-consuming and affects welding efficiency. Furthermore, the welding slag falling to the ground also requires subsequent treatment. This makes the welding efficiency of the metal saw blade body 2 higher.
[0032] It should be added that the baffle 316 and the processing box 312 are installed through a damping shaft, so that the position of the baffle 316 can be fixed after rotation, and the collection frame 314 is limited. When it is necessary to remove the welding slag, the baffle 316 is rotated until it does not contact the collection frame 314, and the collection frame 314 can be pulled out of the processing box 312 for removal.
[0033] It should be added that the top of the control panel 1 has two placement slots, and the two protective blocks 36 can be placed inside the two placement slots when not in use.
[0034] 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 precision positioning and welding fixture for metal saw blade teeth, comprising an operating table (1), characterized in that: The top of the operating table (1) is provided with two metal saw blade bodies (2), the top of the operating table (1) is provided with a protective mechanism (3), and the inside of the operating table (1) is provided with a positioning mechanism (4).
2. The metal saw blade tooth precision positioning welding fixture according to claim 1, characterized in that: The protective mechanism (3) includes a vertical plate (31), which is fixedly installed on the top of the operating table (1). Two fixed columns (32) are fixedly installed on the top of the vertical plate (31). A rotating plate (33) is rotatably installed on the outside of each of the two fixed columns (32). A threaded rod (34) is installed inside the rotating plate (33). A pressure plate (35) is rotatably installed on the bottom of the threaded rod (34). A protective block (36) is provided on the top of each of the two metal saw blade bodies (2). A threaded rod (37) is installed inside the left protective block (36). A pressure plate (35) is rotatably installed on the right end of the threaded rod (37). The operating platform (1) is equipped with a shovel plate (38), and two limiting posts (39) are fixedly installed on the left side of the shovel plate (38). The protective block (36) on the right side has a suction groove (310) inside. A flexible conveying pipe (311) is fixedly installed on the right side of the protective block (36). A processing box (312) is fixedly installed at the bottom of the operating platform (1). A pump (313) is provided on the front of the processing box (312). A collection frame (314) is provided inside the processing box (312). An inclined filter plate (315) is fixedly installed inside the collection frame (314). A baffle (316) is rotatably installed inside the processing box (312).
3. The metal saw blade tooth precision positioning welding fixture according to claim 2, characterized in that: The baffle (316) is located on the right side of the collection frame (314), and the end of the flexible conveying pipe (311) away from the protective block (36) is fixedly installed with the processing box (312). Ventilation holes are provided at the corresponding positions of the collection frame (314) and the flexible conveying pipe (311).
4. The metal saw blade tooth precision positioning welding fixture according to claim 2, characterized in that: The suction groove (310) corresponds to the position of the shovel plate (38), and the two limiting posts (39) are slidably installed inside the left protective block (36). The pressure plate (35) is set on the top of the protective block (36).
5. A precision positioning welding fixture for metal saw teeth according to claim 1, characterized in that: The positioning mechanism (4) includes two limiting plates (41), both of which are fixedly installed on the top of the operating table (1). An electric telescopic rod (42) is fixedly installed inside the operating table (1). A slider (43) is fixedly installed at the output end of the electric telescopic rod (42). A rubber ring (44) is fixedly installed inside the slider (43). A toothed positioning plate (45) is inserted into the rubber ring (44).
6. A precision positioning welding fixture for metal saw teeth according to claim 5, characterized in that: The tooth groove of the toothed positioning plate (45) matches the saw teeth of the metal saw blade body (2). The toothed positioning plate (45) is inserted into the inside of the slider (43), and the slider (43) is slidably installed inside the operating table (1).