Feeding cone preorder welding tool

Abstract

The utility model relates to a feeding cone preorder welding tool which comprises a base plate, a stand column device, a bottom positioning device, a supporting ring and a radial positioning device, the stand column device, the bottom positioning device, the supporting ring and the radial positioning device are installed on the base plate, the stand column device and the bottom positioning device are located in the supporting ring, and the supporting ring is used for supporting a front spoke disc. The bottom positioning device is used for positioning the front spoke disc, the stand column device is provided with a pressing disc, the pressing disc is used for supporting the inner wall of a conical barrel, and the radial positioning device is used for radially positioning the conical barrel. The supporting ring is used for supporting the front spoke disc, the bottom positioning device is used for positioning the front spoke disc, the clamping stability and firmness of the front spoke disc are guaranteed, the stand column device is used for tightly supporting and positioning the inner wall of the conical barrel, the radial positioning device is used for positioning the conical barrel in the radial direction, and the positioning stability and firmness of the conical barrel are guaranteed; the conical barrel is prevented from rotating, accurate welding of the front spoke disc and the conical barrel is guaranteed, the welding quality is guaranteed, and the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding frock technical field, concretely relates to a kind of feeding cone presequence welding frock. BACKGROUND

[0002] In the wheat harvester, the axial flow cylinder for threshing is an important component of the threshing system, which is installed inside the threshing machine body. The feeding cone is a part of the axial flow cylinder, which includes a front radial disc, a conical cylinder and a rear radial disc. The front and rear radial discs are welded at both ends of the conical cylinder. The outer side of the conical cylinder is welded with multiple spiral bodies and reinforcing ribs. Since the conical cylinder is not easy to position, it is often welded in two processes during processing. The front sequence first welds the front radial disc and the conical cylinder together, and then the rear sequence welds the rear radial disc, spiral body and reinforcing rib with the conical cylinder. The existing feeding cone presequence welding frock is mostly simple frock, which is not stable in positioning the conical cylinder, making it difficult to ensure the welding quality of the front radial disc and the conical cylinder, and the operation is time-consuming and laborious. SUMMARY

[0003] The utility model provides a kind of feeding cone presequence welding frock to solve the technical problem of the prior art.

[0004] The technical solution to solve the above technical problem is as follows: a kind of feeding cone presequence welding frock, including base plate and the column device, bottom positioning device, support ring and radial positioning device installed on the base plate, the column device and the bottom positioning device are located in the support ring, the support ring is used to support the front radial disc, the bottom positioning device is used to position the front radial disc, the column device is equipped with pressure plate, the pressure plate is used to support the inner wall of the conical cylinder, the radial positioning device is used to position the conical cylinder in radial.

[0005] Based on the above technical solution, the utility model can also be improved as follows:

[0006] Preferably, the bottom positioning device includes a pin device, the pin device includes a pin seat one, a pin and an L-shaped adjustment reference block two, the pin is installed in the pin seat one, the pin is matched with the hole one of the front radial disc, the L-shaped adjustment reference block two is located outside the pin seat one, and adjustment pads are arranged between the two side plates of the L-shaped adjustment reference block two and the pin seat one.

[0007] Preferably, the bottom positioning device further includes a rhombic pin device, the rhombic pin device includes an L-shaped adjustment reference block three, a rhombic pin and a pin seat two, the L-shaped adjustment reference block three is located outside the pin seat two, adjustment pads are arranged between the two side plates of the L-shaped adjustment reference block three and the pin seat two, the rhombic pin is installed on the pin seat two, and the rhombic pin is matched with the hole two of the front radial disc.

[0008] Preferably, the bottom positioning device further comprises a mistake-proof pin device, the mistake-proof pin device comprises a support plate and two positioning pins, the two positioning pins are installed on the support plate, one of the positioning pins is matched with the hole three of the front spoke disc, and the other positioning pin is matched with the hole four of the front spoke disc.

[0009] Preferably, the middle part of the support plate is provided with a containing hole, the stud pin is inserted into the containing hole, and the end of the stud pin extends out of the containing hole.

[0010] Preferably, the column device comprises a column and a plurality of pressing discs, the plurality of pressing discs are arranged at intervals along the height direction of the column, and the diameters of the plurality of pressing discs gradually increase from bottom to top.

[0011] Preferably, the pressing disc comprises a pressing disc one and a pressing disc two, the pressing disc one is located below the pressing disc two, a pressing nut one is arranged between the pressing disc one and the pressing disc two, and a pressing nut two is arranged above the pressing disc two.

[0012] Preferably, the pressing disc one comprises a disc, a connecting sleeve and a plurality of rib plates, the disc is installed on the connecting sleeve, the connecting sleeve is installed on the column, and the plurality of rib plates are connected with the disc and the connecting sleeve.

[0013] Preferably, the radial positioning device comprises a support seat, a guide seat, a rotating plate and a positioning piece, the guide seat is installed on the support seat, the rotating plate is rotatably installed on the guide seat, the positioning piece is installed on the rotating plate through a vertical plate, and the positioning piece corresponds to the notch of the conical cylinder.

[0014] Preferably, the positioning piece is T-shaped, and the two sides of the positioning piece are provided with positioning inclined surfaces.

[0015] The front spoke disc is supported by the supporting ring and positioned by the bottom positioning device, so that the stability and firmness of the front spoke disc are ensured, the inner wall of the conical cylinder is tightly positioned by the column device, the radial positioning of the conical cylinder is realized by the radial positioning device, the stability and firmness of the conical cylinder positioning are ensured, the rotation of the conical cylinder is avoided, the accurate welding of the front spoke disc and the conical cylinder is ensured, the welding quality is ensured, the operation is simple, and the welding efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a schematic view of the column device of the utility model;

[0018] Figure 3 It is a schematic view of the pressing disc one of the utility model;

[0019] Figure 4 It is a schematic view of the column pin device of the utility model;

[0020] Figure 5 It is a schematic view of the diamond pin device of the utility model;

[0021] Figure 6 It is a schematic view of the radial positioning device of the utility model;

[0022] Figure 7 It is the front view of the radial positioning device of the utility model;

[0023] Figure 8 It is a schematic view of the mistake-proofing device of the utility model;

[0024] Figure 9 It is a schematic view of the conical cylinder and the front spoke disc after welding of the utility model;

[0025] Figure 10 It is a schematic view of the conical cylinder and the front spoke disc of another angle of the utility model;

[0026] Figure 11 It is a schematic view when using of the utility model.

[0027] Reference signs: 1, base plate; 2, column device; 13, column; 14, pressure plate one; 37, disc; 38, connecting sleeve; 39, rib plate; 15, compression nut one; 16, pressure plate two; 17, compression nut two; 18, L-shaped adjustment reference block one;

[0028] 3, column pin device; 20, pin seat one; 21, column pin; 22, L-shaped adjustment reference block two;

[0029] 4, diamond pin device; 23, L-shaped adjustment reference block three; 24, diamond pin; 25, pin seat two;

[0030] 5, support ring;

[0031] 6, radial positioning device; 26, support seat; 27, guide seat; 28, rotating plate; 29, spacer pin; 30, positioning piece; 31, vertical plate; 32, pin shaft; 33, stud; 34, compression nut three;

[0032] 7, sleeve one; 8, sleeve two; 9, support frame; 10, rotating wheel; 11, mistake-proofing pin device; 35, support plate; 36, positioning pin;

[0033] 100, conical cylinder; 101, notch; 200, front spoke disc; 201, hole one; 202, hole two; 203, hole three; 204, hole four. DETAILED DESCRIPTION

[0034] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0035] like Figures 1 to 11 As shown, this utility model discloses a pre-feeding welding fixture for a cone, including a base plate 1 and a column device 2, a bottom positioning device, a support ring 5, and a radial positioning device 6 mounted on the base plate 1. The column device 2 and the bottom positioning device are located inside the support ring 5, which is mounted on the base plate 1 by screws or bolts. The support ring 5 supports the front spoke 200, creating a certain gap between the front spoke 200 and the base plate 1, facilitating the placement and removal of the base plate 1 and improving operational convenience. The bottom positioning device positions the front spoke 200. Through the cooperation of the support ring 5 and the bottom positioning device, the front spoke 200 is firmly positioned. The column device 2 is equipped with a pressure plate, which supports the inner wall of the cone 100 to prevent deformation of the cone 100. The radial positioning device 6 is used to radially position the cone 100. Through the cooperation of the pressure plate and the radial positioning device 6, the cone 100 is firmly positioned, ensuring the accuracy and firmness of the positioning between the cone 100 and the front spoke 200, and guaranteeing welding quality.

[0036] Furthermore, the substrate 1 is mounted on the support frame 9, and the lower end of the support frame 9 is provided with multiple rotating wheels 10, which facilitates the movement of the welding fixture and improves the flexibility and convenience of use.

[0037] In this embodiment, specifically, the bottom positioning device includes a pin device 3, which includes a pin seat 20, a pin 21, and an L-shaped adjustment reference block 22. The pin 21 is installed in the pin seat 20 and is adapted to the hole 201 of the front spoke 200. By inserting the pin 21 into the hole 201 of the front spoke 200, the front spoke 200 is positioned. The L-shaped adjustment reference block 22 is located outside the pin seat 20. Adjustment pads are provided between the two side plates of the L-shaped adjustment reference block 22 and the pin seat 20. Adjustment screws pass through the side plates and connect to the adjustment pads. By increasing or decreasing the number of adjustment pads in the two directions, the positions of the pin seat 20 and the pin 21 are adjusted to meet the positioning requirements of the front spoke 200, reducing the clamping difficulty. After adjustment, the pin seat 20 is installed on the base plate 1, which is convenient to operate and reduces the positioning difficulty.

[0038] Further, the bottom positioning device further comprises a rhombic pin device 4, the rhombic pin device 4 comprises an L-shaped adjusting reference block three 23, a rhombic pin 24 and a pin seat two 25, the L-shaped adjusting reference block three 23 is located outside the pin seat two 25, adjusting pads are arranged between the two side plates of the L-shaped adjusting reference block three 23 and the pin seat two 25, adjusting screws are connected with the adjusting pads through the side plates, the number of adjusting pads in two directions is increased or decreased to adjust the position of the pin seat two 25 and the rhombic pin 24, then the pin seat two 25 is installed on the base plate 2, the positioning difficulty is reduced and the operation convenience is improved, the rhombic pin 24 is installed on the pin seat two 25, the rhombic pin 24 is matched with the hole two 202 of the front spoke disc 200, the front spoke disc 200 is positioned, the rotation of the front spoke disc 200 is avoided, and the stability of the front spoke disc 200 is ensured.

[0039] Further, the bottom positioning device further comprises an error-proof pin device 11, the error-proof pin device 11 comprises a support plate 35 and two positioning pins 36, the two positioning pins 36 are installed on the support plate 35, one of the two positioning pins 36 is matched with the hole three 203 of the front spoke disc 200, and the other positioning pin 36 is matched with the hole four 204 of the front spoke disc 200.

[0040] Further, a receiving hole is arranged in the middle of the support plate 35, the column pin 21 of the column pin device 3 is inserted into the receiving hole and the end of the column pin 21 extends out of the receiving hole, the relative position between the column pin 21 and the positioning pin 36 is convenient to confirm, the positioning effect on the front spoke disc 200 is ensured, the structure is compact, and the occupied area is reduced.

[0041] The column device 2 comprises a column 13 and a plurality of pressure plates, the plurality of pressure plates are arranged at intervals along the height direction of the column 13, and the diameters of the plurality of pressure plates gradually increase from bottom to top. The plurality of pressure plates are arranged to support the inner wall of the conical cylinder 100 from bottom to top, so that the conical cylinder 100 is prevented from deforming during welding, and the quality of the conical cylinder 100 is ensured.

[0042] The number of the pressure plates can be set according to the height of the conical cylinder 100, in the embodiment, specifically, the pressure plates comprise a pressure plate one 14 and a pressure plate two 16, the pressure plate one 14 is located below the pressure plate two 16, a compression nut one 15 is arranged between the pressure plate one 14 and the pressure plate two 16, a compression nut two 17 is arranged above the pressure plate two 16, the compression nut one 15 and the compression nut two 17 lock the pressure plate one 14 and the pressure plate two 16, so that the pressure plate one 14 and the pressure plate two 16 are prevented from shaking, and the supporting effect on the conical cylinder 100 is ensured.

[0043] Furthermore, pressure plate 14 includes a disc 37, a connecting sleeve 38, and stiffening plates 39. The disc 37 is mounted on the connecting sleeve 38, which is mounted on the column 13. Multiple stiffening plates 39 are provided, arranged circumferentially along the connecting sleeve 38 and connected to the disc 37 and the connecting sleeve 38, increasing the structural strength of the disc 37 and the connecting sleeve 38, preventing deformation, and ensuring the tightening effect on the conical cylinder 100. Pressure plate 2 16 is larger than pressure plate 14, and its structure is the same as that of pressure plate 14, which will not be described further here.

[0044] Furthermore, the lower end of the column 13 is mounted on the support base 1. An L-shaped adjustment reference block 18 is provided on the outer side of the support base 1. Adjustment screws are installed on the two side plates of the L-shaped adjustment reference block 18. The ends of the adjustment screws passing through the side plates abut against the support base 1. By rotating the adjustment screws, the positions of the support base 1 and the column 13 can be adjusted to ensure the positioning effect of the conical cylinder 100, reduce the positioning difficulty, and improve the operating efficiency.

[0045] See Figure 6 and Figure 7 As shown, in this embodiment, the radial positioning device 6 specifically includes a support base 26, a guide base 27, a rotating plate 28, a pad pin 29, and a positioning element 30. The support base 26 is mounted on the base plate 1, the guide base 27 is mounted on the support base 26, the rotating plate 28 is rotatably mounted on the guide base 27 via a pin 32, and a pad pin 29 is provided below the rotating plate 28. The pad pin 29 is mounted on the guide base 27 and supports and positions the rotating plate 28 to ensure that the rotating plate 28 rotates to the designated position, thereby ensuring the accuracy of the position of the positioning element 30. The positioning element 30 is connected to a vertical plate 31 and is mounted on the rotating plate 28 via the vertical plate 31. The positioning element 30 corresponds to the notch 101 at the upper end of the conical cylinder 100.

[0046] Furthermore, the positioning component 30 is T-shaped, with positioning inclined surfaces on both sides. These inclined surfaces are adapted to the notch 101, thereby positioning the conical cylinder 100 and preventing it from rotating, thus ensuring the welding quality between the conical cylinder 100 and the front spoke 200. Specifically, when the positioning component 30 rotates to the notch 101 of the conical cylinder 100, the clamping nut 34 is rotated. The clamping nut 34 moves downward along the stud 33. Since the clamping nut 34 is elliptical, it can press the rotating plate 28 from above, thus locking the positioning component 30. Through the cooperation between the positioning component 30 and the notch 101, the conical cylinder 100 is prevented from rotating, ensuring the stability and firmness of the positioning of the conical cylinder 100.

[0047] The usage process of this welding fixture is as follows:

[0048] First, the front disc 200 is placed on the fixture, the upper plane of the support ring 5 supports the lower plane of the front disc 200, the stud 21 of the stud device 3 is inserted into the hole one 201 of the front disc 200, the diamond pin 24 of the diamond pin device 4 is inserted into the hole two 202 of the front disc 200, the two positioning pins 36 of the mistake prevention pin device 11 are respectively inserted into the hole three 203 and the hole four 204 of the front disc 200, the position and direction of the front disc 200 are limited, and misplacement is avoided, and the positioning of the front disc 200 is completed.

[0049] Then the conical barrel 100 is placed on the upper plane of the front disc 200, the column 13 of the column device 2 is inserted in the middle of the conical barrel 100, then the radial positioning device 6 is operated, the rotating plate 28 is rotated, and the positioning piece 30 is rotated, so that the two positioning inclined surfaces of the positioning piece 30 are located in the notch 101 of the conical barrel 100, thereby limiting the rotation of the conical barrel 100.

[0050] Then the pressure plate one 14 of the column device 2 is installed on the column 13 through the connecting sleeve 38, at this time the outer circular surface of the pressure plate one 14 falls on the inner circular conical surface of the conical barrel 100, then the compression nut one 15 is installed on the column 13, the compression nut one 15 is matched with the threads on the column 13, the sleeve one 7 is sleeved on the outer hexagonal surface of the compression nut one 15, the sleeve one 7 is rotated by using the air wrench, thereby rotating the compression nut one 15 downward, thereby compressing the pressure plate one 14, realizing that the disc 37 of the pressure plate one 14 is pressed tightly to the inner circular conical surface of the conical barrel 100, and the front disc 200 is also compressed tightly, and then the sleeve one 7 is removed.

[0051] Then the pressure plate two 16 of the column device 2 is installed on the column 13, the compression nut two 17 of the column device 2 is installed on the column 13 above the pressure plate two 16, then the sleeve two 8 is sleeved on the outer hexagonal surface of the compression nut two 17, the sleeve two 8 is rotated by using the air wrench, thereby rotating the compression nut two 17 downward, compressing the pressure plate two 16, so that the pressure plate two 16 is pressed tightly to the inner circular conical surface of the conical barrel 100. At this time, the welding parts of the feeding cone are all positioned and clamped, then the weld is welded, and the conical barrel 100 and the front disc 200 are welded together.

[0052] After welding, the sleeve two 8 is sleeved on the outer hexagonal surface of the compression nut two 17, the sleeve two 8 is reversely rotated by using the air wrench, the compression nut two 17 is rotated out, the pressure plate two 16 is removed from the fixture, the sleeve one 7 is sleeved on the outer hexagonal surface of the compression nut one 15, the sleeve one 7 is reversely rotated by using the air wrench, the compression nut one 15 is rotated out, the pressure plate one 14 is removed from the fixture, then the welded conical barrel 100 and the front disc 200 are removed from the fixture, at this time, the operation of the fixture is completed. The overall positioning is accurate, the operation is simple, and the welding efficiency is improved.

[0053] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A welding fixture for a feed cone, characterized in that, The device includes a base plate (1) and a column device (2), a bottom positioning device, a support ring (5) and a radial positioning device (6) mounted on the base plate (1). The column device (2) and the bottom positioning device are located inside the support ring (5). The support ring (5) is used to support the front spoke (200). The bottom positioning device is used to position the front spoke (200). The column device (2) is provided with a pressure plate, which is used to support the inner wall of the conical cylinder (100). The radial positioning device (6) is used to radially position the conical cylinder (100).

2. The feeding cone pre-welding fixture according to claim 1, characterized in that, The bottom positioning device includes a pin device (3), which includes a pin seat (20), a pin (21), and an L-shaped adjustment reference block (22). The pin (21) is installed on the pin seat (20) and is adapted to the hole (201) of the front spoke (200). The L-shaped adjustment reference block (22) is located on the outside of the pin seat (20), and adjustment pads are provided between the two side plates of the L-shaped adjustment reference block (22) and the pin seat (20).

3. The feeding cone pre-welding fixture according to claim 2, characterized in that, The bottom positioning device also includes a diamond pin device (4), which includes an L-shaped adjustment reference block three (23), a diamond pin (24), and a pin seat two (25). The L-shaped adjustment reference block three (23) is located outside the pin seat two (25). Adjustment pads are provided between the two side plates of the L-shaped adjustment reference block three (23) and the pin seat two (25). The diamond pin (24) is installed on the pin seat two (25) and is adapted to the hole two (202) of the front spoke (200).

4. The feeding cone pre-welding fixture according to claim 3, characterized in that, The bottom positioning device also includes an anti-misalignment pin device (11), which includes a support plate (35) and two positioning pins (36). The two positioning pins (36) are installed on the support plate (35), one of which is adapted to the third hole (203) of the front spoke (200), and the other positioning pin (36) is adapted to the fourth hole (204) of the front spoke (200).

5. The feeding cone pre-welding fixture according to claim 4, characterized in that, The support plate (35) has a receiving hole in the middle, and the pin (21) is inserted into the receiving hole and the end of the pin (21) extends out of the receiving hole.

6. The feeding cone pre-welding fixture according to claim 1, characterized in that, The column device (2) includes a column (13) and a plurality of pressure plates. The plurality of pressure plates are spaced apart along the height direction of the column (13), and the diameter of the plurality of pressure plates gradually increases from bottom to top.

7. The feeding cone pre-welding fixture according to claim 6, characterized in that, The pressure plate includes a pressure plate one (14) and a pressure plate two (16). The pressure plate one (14) is located below the pressure plate two (16). A clamping nut one (15) is provided between the pressure plate one (14) and the pressure plate two (16). A clamping nut two (17) is provided above the pressure plate two (16).

8. The feeding cone pre-welding fixture according to claim 7, characterized in that, The pressure plate (14) includes a disc (37), a connecting sleeve (38), and a stiffener (39). The disc (37) is mounted on the connecting sleeve (38), and the connecting sleeve (38) is mounted on the column (13). Multiple stiffeners (39) are provided, and multiple stiffeners (39) are connected to the disc (37) and the connecting sleeve (38).

9. The feeding cone pre-welding fixture according to any one of claims 1 to 8, characterized in that, The radial positioning device (6) includes a support base (26), a guide base (27), a rotating plate (28), and a positioning element (30). The guide base (27) is mounted on the support base (26), the rotating plate (28) is rotatably mounted on the guide base (27), and the positioning element (30) is mounted on the rotating plate (28) via a vertical plate (31). The positioning element (30) corresponds to the notch (101) of the conical cylinder (100).

10. The feeding cone pre-welding fixture according to claim 9, characterized in that, The positioning element (30) is T-shaped, and the positioning element (30) has positioning inclined surfaces on both sides.

Images