Straightening clamp for metal bar machining

Abstract

The utility model discloses a straightening clamp for metal bar machining, and relates to the technical field of metal bar machining. The device comprises a rectangular bottom plate, wherein a straightening mechanism and a clamping mechanism are arranged on the rectangular bottom plate; the top of the rectangular bottom plate is fixedly connected with two first supporting plates, the two first supporting plates are located on the front side and the rear side of the rectangular bottom plate correspondingly, a plurality of first rotating shafts rotationally penetrate through the first supporting plate located on the rear side, and a plurality of second rotating shafts rotationally penetrate through the first supporting plate located on the front side; the sides, away from the first supporting plate, of the second rotating shafts and the first rotating shafts are fixedly connected with worm wheels. By arranging the straightening mechanism, the problems that the size and the shape of a metal bar do not meet the requirements and the product quality is affected due to the fact that the manual knocking precision is difficult to control and the knocking force and the knocking position completely depend on the experience and the feeling of an operator and the situation of excessive or insufficient straightening is likely to occur are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal bar processing, and particularly relates to a straightening fixture for metal bar processing. Background Technique

[0002] In the related art, a straightening fixture for metal bar processing with the publication number of CN221109657U is disclosed. The device clamps and fixes the metal bar through the clamping mechanism and the clamping part, thereby preventing the metal bar from accidentally detaching during the straightening process. The adjusting part adjusts the position of the first clamping plate, so that the clamping part can clamp and fix metal bars with different diameters, improving the application range of the straightening fixture for metal bar processing.

[0003] However, during the use of this device, due to the difficulty in controlling the accuracy of manual knocking, the knocking force and position completely depend on the experience and feeling of the operator, and it is easy to over-straighten or under-straighten, resulting in the size and shape of the metal bar not meeting the requirements and affecting the product quality. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a straightening fixture for metal bar processing. By setting a straightening mechanism, the problems that due to the difficulty in controlling the accuracy of manual knocking, the knocking force and position completely depend on the experience and feeling of the operator, it is easy to over-straighten or under-straighten, resulting in the size and shape of the metal bar not meeting the requirements and affecting the product quality are solved.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a straightening fixture for metal bar processing, including a rectangular bottom plate, and a straightening mechanism and a clamping mechanism are arranged on the rectangular bottom plate;

[0007] Two first support plates are fixedly connected to the top of the rectangular bottom plate. The two first support plates are respectively located at the front side and the rear side of the rectangular bottom plate. A plurality of first rotating shafts are rotatably penetrated through the first support plate located at the rear side. A plurality of second rotating shafts are rotatably penetrated through the first support plate located at the front side. A worm gear is fixedly connected to the side of each of the plurality of second rotating shafts and the plurality of first rotating shafts away from the first support plate. A correction roller is fixedly connected to the side of each of the plurality of first rotating shafts close to each other. The straightening mechanism includes a first straightening component and a second straightening component. The first straightening component includes two U-shaped first support plates fixedly connected to the front surface of the first support plate located at the front side. A first worm is rotatably connected between the two U-shaped first support plates. The right side of the first worm rotatably penetrates through the outer wall of the first worm on the right side and extends to the outside.

[0008] Further, two U-shaped support plates II are fixedly connected to the back surface of the support plate I located at the rear side. A worm II is rotatably connected between the two U-shaped support plates II. The right side of the worm II rotatably penetrates through the outer wall of the U-shaped support plate II on the right side and extends to the outside.

[0009] Further, the straightening assembly II includes a support plate II fixedly connected between the two support plates I. Two rotating shafts III are rotatably connected to the right side of the support plate II. The two rotating shafts III are respectively located at the front side and the rear side of the support plate II.

[0010] Further, gears are fixedly connected to the outer walls of the two rotating shafts III. The two gears are meshed with each other. A motor is fixedly connected to the right side of the rotating shaft III located at the rear side.

[0011] Further, pulley I is fixedly connected to the right side extension parts of the rotating shaft III located at the rear side and the worm II. A belt I is sleeved on the two pulley I.

[0012] Further, pulley II is fixedly connected to the right side extension parts of the rotating shaft III located at the front side and the worm I. A belt II is sleeved on the two pulley II.

[0013] Further, the clamping mechanism includes a lower clamp fixedly connected to the top of the U-shaped support plate I. A threaded rod is rotatably connected to the top of the U-shaped support plate I.

[0014] Further, an upper clamp is threadedly connected to the outer wall of the threaded rod. A sliding rod is fixedly connected to the top of the U-shaped support plate I. The top of the sliding rod slidably penetrates through the outer wall of the upper clamp and extends to the outside.

[0015] The utility model has the following beneficial effects:

[0016] 1. By setting the straightening mechanism, after the metal bar to be processed is clamped, the motor is started. The motor drives the two rotating shafts III to rotate simultaneously through the gears. The two rotating shafts III drive the worm I and the worm II to rotate simultaneously through the pulley I, the belt I, the pulley II and the belt II. The worm I and the U-shaped support plate II drive the rotating shaft I and the rotating shaft II to rotate simultaneously through the worm wheels, so as to drive the straightening rollers to rotate. At this time, the metal bar is pushed to be located on the straightening rollers, and the metal bar to be straightened can be processed. The centralized supply and synchronous transmission of power are realized. Through one motor as the power source, after a series of transmission components, multiple key components can be driven to operate in cooperation simultaneously, ensuring the action consistency and accuracy of the whole straightening process, and improving the straightening precision and quality;

[0017] 2. By setting the clamping mechanism, when machining metal bars, the metal bars to be straightened can be placed on the lower fixture. Turning the threaded rod drives the upper fixture to slide down on the sliding rod and gently clamp the metal bars to be straightened, enabling flexible clamping of the metal bars. It can be quickly adjusted according to metal bars of different diameters and lengths, improving the versatility and applicability of the fixture. Gently clamping the metal bars can avoid bar damage caused by excessive clamping, and at the same time ensure that the bars do not displace during the straightening process, guaranteeing the accuracy and stability of straightening.

[0018] Of course, not necessarily all the advantages described above need to be achieved simultaneously for any product implementing the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 is a partial cross-sectional structure schematic diagram of the present utility model;

[0022] Figure 3 is a rear cross-sectional structure schematic diagram of the present utility model;

[0023] Figure 4 is the present utility model Figure 3 an enlarged structure schematic diagram of A in;

[0024] Figure 5 is the present utility model Figure 2 an enlarged structure schematic diagram of B in.

[0025] In the drawings, the list of components represented by each reference numeral is as follows:

[0026] 1. Rectangular bottom plate; 101. First support plate; 102. First rotating shaft; 103. Second rotating shaft; 104. Worm gear; 105. Straightening roller; 2. Straightening mechanism; 21. First straightening component; 211. First U-shaped support plate; 212. First worm; 213. Second U-shaped support plate; 214. Second worm; 22. Second straightening component; 221. Second support plate; 222. Third rotating shaft; 223. Gear; 224. Motor; 225. First pulley; 226. First belt; 227. Second pulley; 228. Second belt; 3. Clamping mechanism; 301. Lower clamp; 302. Threaded rod; 303. Upper clamp; 304. Slide bar. Detailed implementation manner

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] Please refer to Figures 1-5As shown, the utility model is a straightening fixture for processing metal bars, comprising a rectangular base plate 1, on which a straightening mechanism 2 and a clamping mechanism 3 are provided, the top of the rectangular base plate 1 is fixedly connected to two support plates 101, the two support plates 101 are respectively located on the front and rear sides of the rectangular base plate 1, a plurality of rotating shafts 102 are rotatably passed through the support plate 101 located on the rear side, a plurality of rotating shafts 2 103 are rotatably passed through the support plate 101 located on the front side, a plurality of rotating shafts 2 103 and a plurality of rotating shafts 102 are fixedly connected to a worm gear 104 on the side away from the support plate 101, a plurality of rotating shafts 102 are fixedly connected to a straightening roller 105 on the side close to each other, the straightening mechanism 2 comprises a straightening assembly 21 and a straightening assembly 22. Component 22, straightening component 1 21 includes two U-shaped support plates 1 211 fixedly connected to the front of the front support plate 101, a worm 1 212 is rotatably connected between the two U-shaped support plates 1 211, and the right side of the worm 1 212 rotates through the outer wall of the worm 1 212 on the right side and extends to the outside. The back of the support plate 1 101 on the rear side is fixedly connected to two U-shaped support plates 2 213, and a worm 214 is rotatably connected between the two U-shaped support plates 213. The right side of the worm 214 rotates through the outer wall of the U-shaped support plate 2 213 on the right side and extends to the outside. The straightening component 22 includes a support plate 221 fixedly connected between the two support plates 101, and the right side of the support plate 221 is rotatably connected to two shafts The third 222, the two rotating shafts 3 222 are respectively located on the front and rear sides of the support plate 221, and the outer walls of the two rotating shafts 3 222 are fixedly connected with gears 223, and the two gears 223 are meshed with each other. The right side of the rotating shaft 3 222 located at the rear side is fixedly connected with a motor 224, and the rotating shaft 3 222 located at the rear side and the right side extension of the worm 214 are fixedly connected with a pulley 1 225, and the two pulleys 1 225 are provided with a belt 1 226. The rotating shaft 3 222 located at the front side and the right side extension of the worm 1 212 are fixedly connected with a pulley 227, and the two pulleys 227 are provided with a belt 228. By setting up the straightening mechanism 2, centralized power supply and synchronous transmission are realized, and a motor is used as the power source. Through a series of transmission components, it can simultaneously drive multiple key components to work together, ensuring the consistency and accuracy of the entire straightening process, and improving the accuracy and quality of straightening. The clamping mechanism 3 includes a lower clamp 301 fixedly connected to the top of the U-shaped support plate 211, the top of the U-shaped support plate 211 is rotatably connected to the threaded rod 302, the outer wall of the threaded rod 302 is threadedly connected to the upper clamp 303, the top of the U-shaped support plate 211 is fixedly connected to the sliding rod 304, the top of the sliding rod 304 slides through the outer wall of the upper clamp 303 and extends to the outside. By setting the clamping mechanism 3, it is possible to achieve flexible clamping of the metal bar, and it can be quickly adjusted according to metal bars of different diameters and lengths, thereby improving the versatility and applicability of the clamp.Lightly clamping the metal bar can avoid damage to the bar caused by over-clamping, while ensuring that the bar will not move during the straightening process, thus ensuring the accuracy and stability of the straightening.

[0029] A specific application of this embodiment is: when in use, first place the device in the corresponding position, place the metal bar to be straightened on the lower clamp 301, screw the threaded rod 302, the threaded rod 302 drives the upper clamp 303 to slide up and down on the slide bar 304, and slightly clamps the metal bar to be straightened, so that the metal bar can be flexibly clamped, and can be quickly adjusted according to metal bars of different diameters and lengths, thereby improving the versatility and applicability of the clamp. Slightly clamping the metal bar can avoid damage to the bar caused by excessive clamping, while ensuring that the bar will not be displaced during the straightening process, thereby ensuring the accuracy and stability of the straightening. After clamping, start the motor 224, and the motor 224 simultaneously drives the two rotating shafts 223 through the gear 223 2 rotates, and the two rotating shafts 3 222 will simultaneously drive the worm 1 212 and the worm 2 214 to rotate through the pulley 1 225, the belt 1 226, the pulley 2 227 and the belt 2 228, and the worm 1 212 and the U-shaped support plate 2 213 will simultaneously drive the rotating shaft 102 and the rotating shaft 2 103 to rotate through the worm gear 104, thereby driving the straightening roller 105 to rotate. At this time, the metal bar is pushed so that it is located on the straightening roller 105, and the metal bar to be straightened can be processed, so that the centralized supply of power and synchronous transmission are realized. With a motor as the power source, through a series of transmission components, multiple key components can be driven to work together at the same time, ensuring the consistency and accuracy of the entire straightening process, and improving the accuracy and quality of straightening.

[0030] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0031] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A straightening fixture for metal bar processing, comprising a rectangular bottom plate (1), characterized in that: A straightening mechanism (2) and a clamping mechanism (3) are provided on the rectangular bottom plate (1). Two first support plates (101) are fixedly connected to the top of the rectangular bottom plate (1). The two first support plates (101) are respectively located on the front side and the rear side of the rectangular bottom plate (1). A plurality of first rotating shafts (102) rotatably penetrate through the first support plate (101) located on the rear side. A plurality of second rotating shafts (103) rotatably penetrate through the first support plate (101) located on the front side. On the side of the plurality of second rotating shafts (103) and the plurality of first rotating shafts (102) away from the first support plate (101), worm wheels (104) are fixedly connected. On the side of the plurality of first rotating shafts (102) close to each other, straightening rollers (105) are fixedly connected. The straightening mechanism (2) includes a first straightening component (21) and a second straightening component (22). The first straightening component (21) includes two first U-shaped support plates (211) fixedly connected to the front of the first support plate (101) located on the front side. A first worm (212) is rotatably connected between the two first U-shaped support plates (211). The right side of the first worm (212) rotatably penetrates through the outer wall of the first worm (212) on the right side and extends to the outside.

2. The straightening fixture for processing metal bars according to claim 1, wherein Two second U-shaped support plates (213) are fixedly connected to the back of the first support plate (101) located on the rear side. A second worm (214) is rotatably connected between the two second U-shaped support plates (213). The right side of the second worm (214) rotatably penetrates through the outer wall of the second U-shaped support plate (213) on the right side and extends to the outside.

3. The straightening fixture for metal bar processing according to claim 2, characterized in that, The second straightening component (22) includes a second support plate (221) fixedly connected between the two first support plates (101). Two third rotating shafts (222) are rotatably connected to the right side of the second support plate (221). The two third rotating shafts (222) are respectively located on the front side and the rear side of the second support plate (221).

4. A straightening fixture for metal bar processing according to claim 3, characterized in that, Gears (223) are fixedly connected to the outer walls of the two third rotating shafts (222). The two gears (223) are meshed with each other. A motor (224) is fixedly connected to the right side of the third rotating shaft (222) located on the rear side.

5. The straightening fixture for metal bar processing according to claim 4, characterized in that, Pulley wheels one (225) are fixedly connected to the right extension parts of the third rotating shaft (222) located on the rear side and the second worm (214). A first belt (226) is sleeved on the two pulley wheels one (225).

6. The straightening fixture for processing metal bars according to claim 5, characterized in that, Pulley wheels two (227) are fixedly connected to the right extension parts of the third rotating shaft (222) located on the front side and the first worm (212). A second belt (228) is sleeved on the two pulley wheels two (227).

7. The straightening fixture for metal bar processing according to claim 6, characterized in that, The clamping mechanism (3) includes a lower clamp (301) fixedly connected to the top of the first U-shaped support plate (211). A threaded rod (302) is rotatably connected to the top of the first U-shaped support plate (211).

8. The straightening fixture for metal bar processing according to claim 7, characterized in that, An upper clamp (303) is threadedly connected to the outer wall of the threaded rod (302). A sliding rod (304) is fixedly connected to the top of the first U-shaped support plate (211). The top of the sliding rod (304) slidably penetrates through the outer wall of the upper clamp (303) and extends to the outside.

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