Welding jig for helical blade

Abstract

The utility model discloses a welding jig for a spiral blade, and relates to the technical field of welding equipment. The device comprises an adjusting mechanism, the adjusting mechanism comprises two supporting plates fixedly connected to the top of a bottom plate, a motor is fixedly connected to the right side of the supporting plate located on the right side, and an output shaft of the motor is fixedly connected with a two-way threaded rod through a coupler. The height of the welding device is adjusted through the adjusting mechanism, the welding device can well adapt to the heights of different welders, and therefore when the welders with different heights face welding tasks, the positions of the platforms can be flexibly adjusted and controlled according to the actual heights of the welders, the bodies do not need to be excessively stretched, bent or twisted in the operation process, and the welding efficiency is improved. The welding process is carried out in a natural and comfortable posture, the body burden is greatly relieved, the fatigue feeling caused by long-time uncomfortable posture is reduced, the probability of operation errors is effectively reduced, and the welding precision and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding equipment technical field, especially, relate to a kind of welding jig of spiral vane. BACKGROUND

[0002] Traditional spiral vane welding process, the core is that carefully processed spiral vane is firmly welded to spiral shaft, in this process, the surface of spiral shaft is handled carefully first, to ensure good welding adhesion, then, by accurate positioning and fixture fixed, adopt arc welding etc., leaf is welded on shaft along helix gradually, make both tightly combined as a whole, to constitute complete and durable spiral conveying component, lay foundation for material transmission of numerous industrial fields.

[0003] However, the height of the welding jig cannot be adjusted when using the existing part of the welding jig, so that the welding jig cannot adapt to the height of the welder when the welder of different height performs the welding task, which may make the welder unable to work in a comfortable posture during the welding task, thereby increasing the physical burden. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of welding jig of spiral vane, by being provided with adjusting mechanism, the height of the welding jig cannot be adjusted when using the existing part of the welding jig is solved.

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

[0006] The utility model is a kind of welding jig of spiral vane, including bottom plate, adjusting mechanism and two fixed mechanisms are arranged on the bottom plate,

[0007] The adjusting mechanism includes two support plates fixedly connected at the top of bottom plate, motor is fixedly connected on the right side of the support plate located at right side, the output shaft of motor is fixedly connected with bidirectional screw rod through shaft coupler, the left end of bidirectional screw rod penetrates two support plates and is rotatably connected with two support plates, two internal threaded blocks are threadedly connected on bidirectional screw rod, sliding rod one is fixedly connected between two support plates, two sliding blocks one are slidably connected on sliding rod one, connecting plate one is hinged on the top of two internal threaded blocks and two sliding blocks one, and welding table is hinged on the side of a plurality of connecting plates one away from corresponding internal threaded block and sliding block one.

[0008] Further, the fixing plate is fixedly connected between two internal threaded blocks and corresponding sliding block one, the top of bottom plate is fixedly connected with a plurality of guide rods, and welding table is slidably connected with a plurality of guide rods.

[0009] Further, the fixing mechanism comprises a U-shaped frame fixedly connected to the top of the welding table, and two sliding rods two are fixedly connected to the inner wall of the U-shaped frame.

[0010] Further, a supporting frame is fixedly connected to the two sliding rods two, and a fixing rod is fixedly connected to the top of the supporting frame.

[0011] Further, a sliding block two is slidably connected to the two sliding rods two, and a sliding block three is slidably connected to the two sliding rods two.

[0012] Further, a Z-shaped plate is rotatably connected to the top end of the fixing rod, and the sliding block two and the sliding block three are hingedly connected with a connecting plate two.

[0013] Further, two sliding grooves are formed in the top of the U-shaped frame, the top of the sliding block two and the top of the sliding block three extend to the top of the U-shaped frame and are slidably connected with the corresponding sliding grooves, the top of the sliding block two and the top of the sliding block three are fixedly connected with clamping plates, and a plurality of V-shaped blocks one are fixedly connected to the side of the clamping plates close to each other.

[0014] Further, a hydraulic cylinder is fixedly connected to the inner wall of the rear side of the U-shaped frame, the output shaft of the hydraulic cylinder is fixedly connected with the sliding block two, and a V-shaped block two is fixedly connected to the top of the U-shaped frame.

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

[0016] 1. By setting the adjusting mechanism, starting the motor, the motor drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the inner threaded block to move when rotating, the inner threaded block drives the fixed plate to move when moving, the fixed plate drives the sliding block one to slide on the sliding rod one when moving, the inner threaded block and the sliding block one drive the connecting plate one to move when moving, the connecting plate one drives the welding table to move when moving, the height of the welding device is adjusted through the adjusting mechanism, which can well adapt to the height of different welders, so that when the welders with different heights face the welding task, the platform position can be flexibly adjusted according to the actual height, so that the body does not need to be excessively stretched, bent or twisted during operation, ensures that the welding process is carried out in a natural and comfortable posture, greatly reduces the physical burden, reduces the fatigue caused by long-time improper posture, and effectively reduces the operation failure probability, improves the precision and efficiency of welding.

[0017] 2、By setting the fixed mechanism, the hydraulic cylinder is started, the hydraulic cylinder drives the sliding block two to slide on the slide rod two, the sliding block two drives the connecting plate two connected with the sliding block two to move when sliding, the connecting plate two connected with the sliding block two drives the Z-shaped plate to rotate with the fixed rod as the axis when moving, the Z-shaped plate drives the connecting plate two connected with the sliding block three to move when rotating, the connecting plate two connected with the sliding block three drives the sliding block three to move when moving, so that the sliding block two and the sliding block three move synchronously, the sliding block two and the sliding block three drive the corresponding clamping plates to move respectively when moving, the two clamping plates drive the corresponding V-shaped blocks one to move when moving, the fixed mechanism clamps and fixes the spiral shaft, so that the spiral shaft can remain stationary when welding the spiral blade, thereby ensuring that the position of the spiral shaft is constant during the whole welding process, and no displacement or rotation occurs due to the vibration, thermal stress generated by the welding operation and possible external force interference, so that the relative position accuracy between the spiral blade and the spiral shaft is strictly guaranteed, and the irregular shaking of the spiral shaft during welding is effectively reduced, the welding position deviation of the spiral blade caused by the shaking is avoided, thereby preventing quality problems such as uneven width, inconsistent penetration, etc. of the weld, and effectively ensuring the uniformity, integrity and reliability of the weld.

[0018] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0021] Figure 2 It is a schematic diagram of the rear view structure of the present application.

[0022] Figure 3 It is a schematic diagram of the structure of the motor of the present application.

[0023] Figure 4 It is a schematic diagram of the structure of the U-shaped frame of the present application.

[0024] Figure 5 It is a schematic diagram of the structure of the slide rod two of the present application.

[0025] In the drawings, the components represented by each reference numeral are listed as follows:

[0026] 1, bottom plate; 2, adjusting mechanism; 3, fixed mechanism; 21, support plate; 22, motor; 23, two-way threaded rod; 24, internal threaded block; 25, sliding rod one; 26, sliding block one; 27, connecting plate one; 28, welding table; 29, fixed plate; 210, guide rod; 31, U-shaped frame; 32, sliding rod two; 33, support frame; 34, fixed rod; 35, sliding block two; 36, sliding block three; 37, Z-shaped plate; 38, connecting plate two; 39, sliding groove; 310, clamping plate; 311, V-shaped block one; 312, hydraulic cylinder; 313, V-shaped block two. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-5 As shown in the utility model is a kind of welding jig of spiral blade, including bottom plate 1, bottom plate 1 is provided with adjusting mechanism 2 and two fixed mechanisms 3, adjusting mechanism 2 includes two support plates 21 fixedly connected on the top of bottom plate 1, the right side of the support plate 21 on the right side is fixedly connected with motor 22, the output shaft of motor 22 is fixedly connected with two-way threaded rod 23 by shaft coupling, the left end of two-way threaded rod 23 penetrates two support plates 21 and is rotatably connected with two support plates 21, two-way threaded rod 23 is screw-connected with two internal threaded blocks 24, two support plates 21 are fixedly connected with sliding rod one 25, sliding rod one 25 is slidably connected with two sliding blocks one 26, the top of two internal threaded blocks 24 and two sliding blocks one 26 is hingedly connected with connecting plate one 27, the side away from corresponding internal threaded block 24 and sliding block one 26 of several connecting plate one 27 is hingedly connected with welding table 28, two internal threaded blocks 24 are fixedly connected with corresponding sliding block one 26 with fixed plate 29, the top of bottom plate 1 is fixedly connected with several guide rods 210, welding table 28 is slidably connected with several guide rods 210, the height of welding device is adjusted by adjusting mechanism 2, can be well adapted to the height of different welders, so that when the height of welder exists difference when facing welding task, platform position can be flexibly regulated according to actual height, so that body does not need to be excessively stretched, bent or twisted when operating, ensure that welding process is carried out in natural and comfortable posture, greatly reduce physical burden, reduce fatigue caused by long time of improper posture, thereby effectively reducing the probability of operation failure, improve the precision and efficiency of welding.

[0029] The fixing mechanism 3 comprises a U-shaped frame 31 fixedly connected to the top of the welding table 28, two sliding rods two 32 are fixedly connected to the inner wall of the U-shaped frame 31, a support frame 33 is fixedly connected to the two sliding rods two 32, a fixed rod 34 is fixedly connected to the top of the support frame 33, a sliding block two 35 is slidably connected to the two sliding rods two 32, a sliding block three 36 is slidably connected to the two sliding rods two 32, a Z-shaped plate 37 is rotatably connected to the top end of the fixed rod 34, a connecting plate two 38 is hinged to the sliding block two 35 and the sliding block three 36 and the Z-shaped plate 37, two sliding grooves 39 are formed in the top of the U-shaped frame 31, the top of the sliding block two 35 and the sliding block three 36 extends to the top of the U-shaped frame 31 and is slidably connected with the corresponding sliding groove 39, a clamping plate 310 is fixedly connected to the top of the sliding block two 35 and the sliding block three 36, a plurality of V-shaped blocks one 311 are fixedly connected to the side of the two clamping plates 310 away from each other, a hydraulic cylinder 312 is fixedly connected to the inner wall of the rear side of the U-shaped frame 31, the output shaft of the hydraulic cylinder 312 is fixedly connected with the sliding block two 35, a V-shaped block two 313 is fixedly connected to the top of the U-shaped frame 31, the spiral shaft is clamped and fixed through the fixing mechanism 3, so that the spiral shaft can remain stationary when welding the spiral vane, thereby ensuring that the position of the spiral shaft is constant throughout the welding process, and there is no slightest displacement or rotation due to vibration, thermal stress generated by welding operation and possible external interference, so that the relative position accuracy between the spiral vane and the spiral shaft is strictly guaranteed, and the irregular shaking of the spiral shaft during welding is effectively reduced, avoiding the deviation of the spiral vane welding position caused by such shaking, thereby preventing quality problems such as uneven width, inconsistent penetration, etc. of the weld, and effectively ensuring the uniformity, integrity and reliability of the weld.

[0030] One specific application of the embodiment is: starting the motor 22, the motor 22 drives the bidirectional threaded rod 23 to rotate, the bidirectional threaded rod 23 drives the inner threaded block 24 to move when rotating, the inner threaded block 24 drives the fixed plate 29 to move when moving, the fixed plate 29 drives the sliding block one 26 to slide on the sliding rod one 25 when moving, the inner threaded block 24 is limited by the sliding block one 26, and the rotational motion of the inner threaded block 24 is converted into linear motion, the inner threaded block 24 and the sliding block one 26 drive the connecting plate one 27 to move when moving, the connecting plate one 27 drives the welding table 28 to move when moving, so as to adjust the height of the welding table 28, and at the same time, the movement path of the welding table 28 is guided and limited by the guide rod 210, so that the movement process of the welding table 28 is more stable.

[0031] In the device, the fixing mechanism 3 is provided with two, and is symmetrically arranged on the top of the welding table 28, the two ends of the spiral shaft of the welded spiral blade are placed on the V-shaped block two 313, then the hydraulic cylinder 312 is started, the sliding block two 35 is driven to slide on the sliding rod two 32, the sliding block two 35 drives the connecting plate two 38 connected with the sliding block two 35 to move when sliding, the connecting plate two 38 connected with the sliding block two 35 drives the Z-shaped plate 37 to rotate with the fixed rod 34 as the axis when moving, the Z-shaped plate 37 drives the connecting plate two 38 connected with the sliding block three 36 to move when rotating, the connecting plate two 38 connected with the sliding block three 36 drives the sliding block three 36 to move when moving, so that the sliding block two 35 and the sliding block three 36 move synchronously, the movement of the sliding block two 35 and the sliding block three 36 is guided and limited by the sliding rod two 32, the sliding block two 35 and the sliding block three 36 drive the corresponding clamping plates 310 to move when moving, the two clamping plates 310 drive the corresponding V-shaped block one 311 to move when moving, and the spiral shaft is clamped and fixed by the V-shaped block one 311.

[0032] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A kind of welded jig of spiral blade, including bottom plate (1), the bottom plate (1) is provided with adjusting mechanism (2) and two fixed mechanism (3), it is characterized in that: The adjusting mechanism (2) includes two support plates (21) fixedly connected on the top of bottom plate (1), the right side of the right side support plate (21) is fixedly connected with motor (22), the output shaft of the motor (22) is fixedly connected with bidirectional threaded rod (23) through shaft coupler, the left end of the bidirectional threaded rod (23) penetrates two support plates (21) and is rotatably connected with two support plates (21), two internal threaded blocks (24) are threadedly connected on the bidirectional threaded rod (23), the slide bar one (25) is fixedly connected between two support plates (21), two slide blocks one (26) are slidably connected on the slide bar one (25), the top of two internal threaded blocks (24) and two slide blocks one (26) are hinged with connecting plate one (27), and the welding table (28) is hinged with several connecting plate one (27) away from the side of corresponding internal threaded block (24) and slide block one (26).

2. The welding jig for a helical vane according to claim 1, wherein Two internal threaded blocks (24) are fixedly connected with corresponding slide block one (26) between the two, the top of the bottom plate (1) is fixedly connected with several guide rods (210), and the welding table (28) is slidably connected with several guide rods (210).

3. The welding fixture of claim 2, wherein, The fixed mechanism (3) includes the U-shaped frame (31) fixedly connected on the top of welding table (28), and the inner wall of the U-shaped frame (31) is fixedly connected with two slide bars two (32).

4. The helical vane welding fixture of claim 3, wherein, Two slide bars two (32) are fixedly connected with support frame (33) on them, and the top of the support frame (33) is fixedly connected with fixed rod (34).

5. The helical vane welding fixture of claim 4, wherein, Two slide blocks two (35) are slidably connected on two slide bars two (32), and two slide blocks three (36) are slidably connected on two slide bars two (32).

6. The helical vane welding fixture of claim 5, wherein, The top end of the fixed rod (34) is rotatably connected with Z-shaped plate (37), and the slide block two (35) and the slide block three (36) are hinged with the connecting plate two (38) of Z-shaped plate (37).

7. The helical vane welding fixture of claim 6, wherein, Two slide grooves (39) are formed in the top of the U-shaped frame (31), the top of the slide block two (35) and the slide block three (36) extends to the top of the U-shaped frame (31) and is slidably connected with corresponding slide groove (39), and the top of the slide block two (35) and the slide block three (36) is fixedly connected with clamping plate (310), and the side of two clamping plates (310) close to each other is fixedly connected with several V-shaped blocks one (311).

8. The helical vane welding fixture of claim 7, wherein, The rear inner wall of the U-shaped frame (31) is fixedly connected with hydraulic cylinder (312), the output shaft of the hydraulic cylinder (312) is fixedly connected with slide block two (35), and the top of the U-shaped frame (31) is fixedly connected with V-shaped block two (313).

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