Auxiliary welding device for metal end
By adjusting the clamping surface and adjusting screw of the auxiliary welding device to ensure the coaxiality of the metal end and the main shaft, the radial runout problem caused by positioning deviation in the prior art is solved, and the assembly process of the rotating tube is simplified.
Patent Information
- Application Number
- CN202520221084.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing metal end welding methods cannot effectively control the positioning deviation between the metal end and the main shaft during the welding process, resulting in radial runout after the rotating tube is welded to the metal end, which increases the difficulty of assembling the rotating tube.
An auxiliary welding device, including a center sleeve, an extension arm, and an adjustment assembly, is used to clamp the metal end with multiple clamping surfaces. The rotation of the adjusting screw drives the clamping surfaces to move radially along the main shaft, adjusting the coaxiality between the metal end and the main shaft and overcoming positioning deviations.
The relative position of the metal end and the main shaft was effectively adjusted, which solved the radial runout problem and reduced the difficulty of assembling the rotating tube.
Smart Images
Figure CN223656355U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to glass production and processing field especially, a kind of auxiliary welding device for metal end. BACKGROUND
[0002] In the hot end link of borosilicate glass tube drawing production line, rotating tube needs to be replaced every month due to high temperature erosion. When replacing, the rotating tube is sleeved on the large shaft, one end is fixed by the compression ring, and the other end is pressed by the metal end. The metal end is screwed to the end of the large shaft and then welded and reinforced. However, due to repeated use of the large shaft, the threads are worn, corroded and deformed, resulting in a gap and positioning deviation of the metal end after tightening, which in turn causes the rotating tube to jump radially after welding with the metal end, ultimately increasing the difficulty of rotating tube assembly process.
[0003] The existing metal end welding method has the technical problem of being unable to effectively control the positioning deviation of the metal end and the large shaft during the welding process, resulting in radial jumping of the rotating tube after welding with the metal end, and in turn increasing the difficulty of rotating tube assembly. UTILITY MODEL CONTENT
[0004] The utility model aims to provide an auxiliary welding device for metal end to solve the technical problem of being unable to effectively control the positioning deviation of the metal end and the large shaft during the welding process in related technology, resulting in radial jumping of the rotating tube after welding with the metal end, and in turn increasing the difficulty of rotating tube assembly.
[0005] To solve the above technical problems, the technical solution provided by the utility model is:
[0006] The auxiliary welding device provided by the utility model comprises:
[0007] The center sleeve, the extension arm and the adjusting assembly are sleeved on the large shaft, the extension arm is installed on the center sleeve and extends along the axis direction of the large shaft, and the adjusting assembly is installed on the extension arm. The same number of extension arms and adjusting assemblies are evenly distributed around the axis of the large shaft. The adjusting assembly comprises a clamping surface abutting against the metal end and an adjusting screw threadedly connected to the extension arm, and a plurality of annularly distributed clamping surfaces clamp the metal end by abutting against it. The rotation of the adjusting screw around its axis is used to drive the clamping surface to move radially along the large shaft to push the metal end, thereby adjusting the coaxiality of the metal end and the large shaft.
[0008] Optionally, the end surface of the adjusting screw near the metal end is the clamping surface.
[0009] Optionally, the adjusting assembly further comprises a righting support mounted on the adjusting screw, the righting support is provided with a righting surface abutting against the metal end head, the righting surface is the clamping surface and corresponds to the shape of the metal end head.
[0010] Specifically, the adjusting screw is provided with a first thread and a second thread with opposite rotation directions at two ends respectively, the first thread is threadedly connected to the extension arm, and the second thread is threadedly connected to the righting support.
[0011] Specifically, the adjusting screw is provided with an adjusting handle at an end away from the metal end head, and the adjusting handle is used to drive the adjusting screw to rotate around its axis.
[0012] Specifically, the adjusting screw is provided with an adjusting handle at an end away from the metal end head, and the adjusting handle is used to drive the adjusting screw to rotate around its axis.
[0013] Specifically, the center sleeve is divided into a first half ring sleeve and a second half ring sleeve in the diameter direction, and the first half ring sleeve and the second half ring sleeve are connected by bolts to clamp the large shaft in the radial direction to realize axial positioning.
[0014] Specifically, the extension arm and the center sleeve are provided with a reinforcing rib therebetween.
[0015] Specifically, each adjusting assembly is sprayed with a paint surface with different colors, for quickly identifying and positioning the adjusting screw that needs to be adjusted.
[0016] Specifically, the number of the adjusting assemblies is three.
[0017] Based on the above technical solutions, the beneficial effects of the present application are as follows:
[0018] The utility model provides a kind of auxiliary welding device for metal end head, comprising:
[0019] The center sleeve is sleeved on the large shaft, the extension arm is installed on the center sleeve and extends along the axial direction of the large shaft, and the adjusting assembly is installed on the extension arm. A plurality of adjusting assemblies and the same number of extension arms are uniformly distributed around the axis of the large shaft. The adjusting assembly includes a clamping surface abutting against the metal end and an adjusting screw threadedly connected to the extension arm, and a plurality of annularly distributed clamping surfaces clamp the metal end by abutting against the metal end. Rotation of the adjusting screw around its axis drives the clamping surface to move radially along the large shaft to displace the metal end, thereby adjusting the coaxiality of the metal end and the large shaft.
[0020] In a specific application, the rotating tube is sleeved on the large shaft, the metal end is screwed to the end of the large shaft, the center sleeve is sleeved on the large shaft, and the plurality of clamping surfaces simultaneously abut against the outer periphery of the metal end to clamp and fix the metal end. At this time, the radial runout of the metal end on the large shaft is measured using a dial gauge, and the adjusting screw is rotated according to the measured radial runout deviation to adjust the coaxiality of the metal end and the large shaft. When the radial runout of the metal end is adjusted to the qualified range, the metal end and the large shaft are welded and fixed.
[0021] It can be seen that, compared with the prior art, the auxiliary welding device overcomes the looseness between the metal end and the large shaft through the clamping of the plurality of clamping surfaces on the metal end, and adjusts the relative position of the metal end and the large shaft by rotating the adjusting screw to drive the clamping surface to displace the metal end. The technical problem that the existing metal end welding method cannot effectively control the positioning deviation of the metal end and the large shaft during welding, resulting in radial runout of the rotating tube after welding with the metal end, and increasing the difficulty of assembling the rotating tube, is overcome. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0023] Figure 1 The overall structure of the auxiliary welding device provided by the embodiments of the present application is shown in the figure Figure 1 ;
[0024] Figure 2 The auxiliary welding device provided by the embodiments of the present application is shown in the figure
[0025] Figure 3 Schematic diagram of sectional structure at adjusting assembly Figure 1 ;
[0026] Figure 4 Schematic diagram of sectional structure at adjusting assembly Figure 2 ;
[0027] Figure 5 Schematic diagram of installation of rotating pipe.
[0028] Icon:
[0029] 001, large shaft; 002, metal end; 003, rotating pipe; 004, press ring;
[0030] 100, center sleeve; 110, first half ring sleeve; 120, second half ring sleeve;
[0031] 200, extension arm;
[0032] 300, adjusting assembly; 310, adjusting screw; 302, first thread; 303, second thread; 304, plug-in slot; 320, centralizing support; 301, centralizing surface; 330, adjusting handle;
[0033] 400, reinforcing rib. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0035] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.
[0036] Some embodiments of the utility model will be described in detail below in combination with the drawings. The following embodiments and features in the embodiments can be combined with each other without conflict.
[0037] The existing metal end welding method has the technical problem that the positioning deviation of the metal end and the large shaft during the welding process cannot be effectively controlled, resulting in radial runout of the rotating pipe after welding with the metal end, and further increasing the difficulty of assembling the rotating pipe.
[0038] Therefore, the utility model provides a kind of for metal end's auxiliary welding device, including:
[0039] Center sleeve 100, extension arm 200 and adjusting assembly 300, center sleeve 100 is sleeved in big axle 001, extension arm 200 is installed in center sleeve 100 and extends along the axial direction of big axle 001, adjusting assembly 300 is installed in extension arm 200.Multiple adjusting assembly 300 and same number of extension arm 200 are distributed around the axis of big axle 001.Adjusting assembly 300 includes the clamping surface of abutment to metal end 002 and the adjusting screw 310 of screw connection in extension arm 200, and multiple clamping surfaces of annular distribution are by with the abutment clamping metal end 002 of metal end 002.Governing clamping surface is moved along the radial direction of big axle 001 to push metal end 002 by the rotation of adjusting screw 310 around its axis to adjust the radial runout of metal end 002 on big axle 001.
[0040] The auxiliary welding device provided by the utility model can achieve the following technical effects:
[0041] The auxiliary welding device can overcome the looseness between metal end 002 and big axle 001 by clamping metal end 002 with multiple clamping surfaces, and then push metal end 002 by rotating adjusting screw 310 to drive clamping surface, so as to adjust the relative position of metal end 002 and big axle 001.The technical problem that the positioning deviation of metal end and big axle during welding cannot be effectively controlled in the existing metal end welding method, which leads to radial runout after rotating tube and metal end are welded, and further increases the difficulty of rotating tube assembly is overcome.
[0042] The following will be described in detail Figures 1 to 5 The structure and shape of the auxiliary welding device provided in the embodiment will be described in detail:
[0043] In the optional scheme of the embodiment, the end face of adjusting screw 310 close to metal end 002 is clamping surface, and adjusting screw 310 rotates around its axis to make clamping surface clamp metal end 002.
[0044] In an optional solution of the embodiment, the adjusting assembly 300 further comprises a righting support 320 mounted on the adjusting screw 310, the righting support 320 is provided with a righting surface 301 abutting against the metal end head 002, the righting surface 301 is a clamping surface and corresponds to the shape of the metal end head 002. The rotation of the adjusting screw 310 around its axis is used to drive the righting surface 301 to move along the radial direction of the large shaft 001 to push the metal end head 002, so as to adjust the coaxiality of the metal end head 002 and the large shaft 001. Wherein, the righting support 320 is prevented from rotating around the axis of the adjusting screw 310 through the clamping action of the righting surface 301 and the metal end head 002.
[0045] In a solution of the embodiment, the adjusting screw 310 is provided with a first thread 302 and a second thread 303 with opposite rotation directions at two ends respectively, the first thread 302 is threadedly connected to the extension arm 200, and the second thread 303 is threadedly connected to the righting support 320. The rotation of the adjusting screw 310 around its axis can simultaneously apply opposite forces to the extension arm 200 and the righting support 320 through the first thread 302 and the second thread 303 with opposite rotation directions, so as to drive the extension arm 200 and the righting support 320 to move towards or away from each other.
[0046] In order to facilitate the rotation of the adjusting screw 310, in a solution of the embodiment, an adjusting handle 330 is arranged at the end of the adjusting screw 310 away from the metal end head 002, the adjusting handle 330 is used to drive the adjusting screw 310 to rotate around its axis.
[0047] In an optional solution of the embodiment, the adjusting screw 310 is provided with a plug-in slot 304, and the adjusting handle 330 is inserted into the plug-in slot 304 along the radial direction of the adjusting screw 310. Wherein, the shape of the plug-in slot 304 is non-circular.
[0048] In an optional solution of the embodiment, the adjusting handle 330 and the adjusting screw 310 are fixed by welding.
[0049] In a solution of the embodiment, the center sleeve 100 is divided into a first half ring sleeve 110 and a second half ring sleeve 120 along the diameter direction, and the first half ring sleeve 110 and the second half ring sleeve 120 are radially clamped to the large shaft 001 through bolt connection to realize axial positioning.
[0050] In order to further enhance the structural stability of the extension arm 200, in a solution of the embodiment, a reinforcing rib 400 is arranged between the extension arm 200 and the center sleeve 100.
[0051] In order to further improve the adjustment efficiency of the metal end head 002, in a solution of the embodiment, each adjusting assembly 300 is respectively sprayed with a paint surface with different colors, which is used for quickly identifying and positioning the adjusting screw 310 that needs to be adjusted.
[0052] In order to simplify the structure as much as possible while ensuring the stability of clamping the metal end 002, in this embodiment, the number of adjustment components 300 and their connected extension arms 200 are both set to three, and the adjacent adjustment components 300 are distributed at a 120-degree angle around the large axis 001.
[0053] In summary, the specific working process of the auxiliary welding device provided in this embodiment is as follows:
[0054] Taking the straightening support 320's front surface 301 as the clamping surface, and the insertion groove 304 set at one end of the first thread 302 of the adjusting screw 310 as an example.
[0055] First, insert the rotating tube 003 into the main shaft 001, and then screw the metal end 002 onto the end of the main shaft 001 via threads.
[0056] Screw the first thread 302 and the second thread 303 into the extension arm 200 and the straightening support 320 respectively, and insert the adjusting handle 330 into the insertion slot 304.
[0057] The first half-ring 110 and the second half-ring 120 are attached to the main shaft 001 and their positions are adjusted so that the straightening support 320 is aligned with the metal end 002 in the axial direction of the main shaft 001. The first half-ring 110 and the second half-ring 120 are then fixed with bolts to clamp the main shaft 001.
[0058] Rotating the adjusting screw 310 causes the straightening support 320 to abut against and press against the metal end 002, and the three supporting surfaces 301 clamp the metal end 002 from its outer periphery. At the same time, the supporting surfaces 301 and the outer wall of the metal end 002 form a locking relationship, preventing the straightening support 320 from rotating around the axis of the adjusting screw 310.
[0059] Use a dial indicator to measure the radial runout of the metal end 002 on the main shaft 001. Rotate the adjusting screw 310 according to the radial runout deviation of the metal end 002 to adjust the coaxiality of the metal end 002 and the main shaft 001, thereby improving the radial runout deviation of the metal end 002.
[0060] After the radial runout of the metal end 002 is adjusted to the acceptable range, the metal end 002 is welded and fixed to the main shaft 001.
[0061] Remove the bolts, separate the first half-ring 110 and the second half-ring 120 from the main shaft 001, slide the rotating tube 003 along the main shaft 001 and abut against the metal end 002, press the pressure ring 004 against the other end of the rotating tube 003 and lock it with the set screw.
[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. An auxiliary welding device for metal ends, characterized in that, include: A center sleeve (100), an extension arm (200), and an adjustment assembly (300) are provided, wherein the center sleeve (100) is fitted onto a main shaft (001), the extension arm (200) is mounted on the center sleeve (100) and extends along the axial direction of the main shaft (001), and the adjustment assembly (300) is mounted on the extension arm (200). Multiple adjustment components (300) and the same number of extension arms (200) are evenly distributed around the axis of the main shaft (001); The adjustment assembly (300) includes a clamping surface that abuts against the metal end (002) and an adjustment screw (310) threadedly connected to the extension arm (200). The plurality of clamping surfaces, which are evenly distributed in a ring, clamp the metal end (002) by abutting against it. The rotation of the adjusting screw (310) around its own axis is used to drive the clamping surface to move radially along the main shaft (001) to push the metal end (002) thereby adjusting the radial runout of the metal end (002) on the main shaft (001).
2. The auxiliary welding device according to claim 1, characterized in that: The end face of the adjusting screw (310) near the metal end (002) is the clamping surface.
3. The auxiliary welding device according to claim 1, characterized in that: The adjustment assembly (300) further includes a straightening support (320) installed on the adjustment screw (310). The straightening support (320) is provided with a supporting surface (301) that abuts against the metal end (002). The supporting surface (301) is the clamping surface and corresponds to the shape of the metal end (002). The rotation of the adjusting screw (310) around its own axis is used to drive the front arm (301) to move radially along the main shaft (001) to push the metal end (002) thereby adjusting the radial runout of the metal end (002) on the main shaft (001).
4. The auxiliary welding device according to claim 3, characterized in that: The adjusting screw (310) is provided with a first thread (302) and a second thread (303) with opposite directions of rotation at both ends. The first thread (302) is threaded to the extension arm (200), and the second thread (303) is threaded to the straightening support (320). The rotation of the adjusting screw (310) around its own axis can drive the extension arm (200) and the straightening support (320) to move towards or away from each other.
5. The auxiliary welding device according to claim 1, characterized in that: An adjustment handle (330) is provided at the end of the adjusting screw (310) away from the metal end (002), and the adjustment handle (330) is used to drive the adjusting screw (310) to rotate around its own axis.
6. The auxiliary welding device according to claim 5, characterized in that: The adjusting screw (310) has a insertion slot (304), and the adjusting handle (330) is inserted into the insertion slot (304) radially along the adjusting screw (310).
7. The auxiliary welding device according to claim 1, characterized in that: The central sleeve (100) is divided into a first semi-ring sleeve (110) and a second semi-ring sleeve (120) along the diameter direction. The first semi-ring sleeve (110) and the second semi-ring sleeve (120) are connected by bolts to radially clamp the large shaft (001) to achieve axial positioning.
8. The auxiliary welding device according to claim 1, characterized in that: A reinforcing rib (400) is provided between the extension arm (200) and the center sleeve (100).
9. The auxiliary welding device according to claim 1, characterized in that: Each of the adjustment components (300) is coated with a different color paint to quickly identify and locate the adjustment screw (310) that needs to be adjusted.
10. The auxiliary welding device according to claim 1, characterized in that: The number of the adjustment components (300) is set to three.