A chair base welding auxiliary device

Abstract

This invention relates to the field of metal processing technology and provides a chair base welding auxiliary device, including a platform assembly: side lifting hydraulic cylinders are provided on both sides of the platform assembly, an external motor fixing seat is provided on the top of the side lifting hydraulic cylinders, a clamping groove assembly is provided on the inner wall of the external motor fixing seat, and a support column conveying assembly is provided on the inner wall of the platform assembly; through the clamping groove assembly, in use, firstly, according to the number of chair legs or feet to be welded, an appropriate number of clamping mechanisms are selected and inserted into the slots, and the center insert is fixed by the fixing bolts on the positioning ring. When selecting, an appropriate number of springs are selected according to the number of chair legs or feet to be welded and the size of the legs or feet. When the number of legs or feet is large or the size of the legs or feet is large, the number of springs used is appropriately reduced, and vice versa.

Description

Technical Field

[0001] This invention belongs to the field of metal processing technology, and in particular relates to an auxiliary device for welding chair bases. Background Technology

[0002] Metalworking, or metal processing for short, refers to the production activities of humans processing materials composed mainly of metallic elements or those with metallic properties. It is a technological process that transforms metallic materials into items, parts, and components, encompassing large parts for bridges and ships, as well as minute components for engines, jewelry, and watches. It is widely used in various fields such as science, industry, art, and handicrafts.

[0003] The automatic welding fixture for the adjustable rod of the swivel chair chassis described in patent application CN217776023U includes: a first mounting column, a second mounting column, and a fixture plate; a second positioning device, which is a vertically mounted rectangular block with a mounting groove, and the block is fixed to the fixture plate; the first positioning device is a cylinder with an inverted T-shaped mid-plane, and its axis is located on the mid-plane of the long side of the second positioning device; an adjusting rod limiting device for limiting the installation position of the adjusting rod; and a lifting column is provided at the bottom of the quick clamp, the quick clamp is fixedly connected to the lifting column, and the lifting column is mounted on the fixture plate.

[0004] In the welding operation of chair chassis, because the number and shape of the legs of different chairs are mostly different, especially the current swivel chairs, which are basically different for each model, the welding position of the legs is also varied. Traditional fixing aids usually use simple clamping and fixing (such as the above-mentioned technical means), which has a single clamping effect on the connection between the legs and the chassis. Coupled with the need to move the position constantly during welding, it is difficult to achieve a more convenient welding effect.

[0005] To address the aforementioned problems, a chassis welding auxiliary device is provided. Summary of the Invention

[0006] This invention provides a chair base welding auxiliary device, which aims to solve the problem that in the chair base welding operation, because the number and shape of the legs of different chairs are mostly different, especially the current swivel chairs, which are basically different for each model, the welding position of their legs is also varied. Traditional fixing auxiliary devices usually use simple clamping and fixing, which has a single clamping effect on the connection between the legs and the base. Coupled with the need to move the position during welding, it is difficult to achieve a more convenient welding effect.

[0007] The present invention is implemented as follows: a chair base welding auxiliary device includes a platform assembly: side lifting hydraulic cylinders are provided on both sides of the platform assembly, an external motor fixing seat is provided on the top of the side lifting hydraulic cylinders, a clamping groove assembly is provided on the inner wall of the external motor fixing seat, a support column conveying assembly is provided on the inner wall of the platform assembly, and a side auxiliary conveying clamping assembly is provided on the top of the platform assembly.

[0008] The clamping groove assembly includes an upper tilting motor. The output shaft of the upper tilting motor is fixedly connected to a short pivot pin via a coupling. One end of the short pivot pin is fixedly connected to a main mounting plate. The inner wall of the main mounting plate is provided with a pushing mechanism. The pushing mechanism includes a telescopic hydraulic cylinder fixedly mounted on the main mounting plate. One end of the telescopic hydraulic cylinder is fixedly connected to a stop block. A clamping mechanism is inserted into the inner wall of the main mounting plate, and an inner sleeve ring is inserted into the center of the inner wall of the main mounting plate. Through the clamping groove assembly, in use, firstly, based on the number of chair legs or foot posts to be welded... Select an appropriate number of clamping mechanisms to insert into the slots, and fix the center plate by the fixing bolts on the positioning ring. When selecting, choose an appropriate number of springs to install based on the number of chair legs or feet to be welded and the size of the legs or feet. When there are many legs or feet or the legs or feet are large, reduce the number of springs used appropriately, and vice versa. This allows for flexible adjustment of the clamping force layout of the clamping slots according to the number and shape of the chair legs or feet to be welded, thereby achieving a better limiting clamping effect.

[0009] Place the chair leg or foot to be welded between two adjacent clamping mechanisms and hold it in place. After the center support column at the bottom of the chair moves into the center slot, start and control the flipping motor to drive the clamping slot assembly to rotate and flip it over. This reverses the clamping mechanism and the number of chair leg or foot to be welded, so that the welding position is facing downwards. At the same time, manipulate the mechanism to lower the height of the chair leg or foot to be welded, so that the welding position of the chair leg or foot to be welded gradually approaches the welding position of the center support column at the bottom of the chair for welding.

[0010] Preferably, the main mounting disk includes a main disk body, and the inner wall of the main disk body has slots. The number of slots is eight, and the eight slots are arranged in a ring at equal intervals on the outer wall of the main disk body.

[0011] The main plate is fixedly connected to an upper fixed plate at its top, and two positioning rings are fixedly connected to the middle of the upper fixed plate. The outer wall of the positioning rings is provided with fixing bolts.

[0012] Preferably, the clamping mechanism includes a central insert plate inserted into the inner wall of the slot, the outer wall of the central insert plate having an internal groove, the inner wall of the internal groove being provided with several spring members, and one end of each spring member being provided with a clamping plate;

[0013] The outer wall of the clamp is covered with a rubber layer.

[0014] Preferably, the spring component includes two inner sleeves, and the inner walls of the two inner sleeves are fixedly connected with springs, and the outer walls of the two inner sleeves are slidably sleeved with outer sleeves.

[0015] The inner sleeve has a threaded tooth on its outer wall at one end, and the spring is threadedly connected to the center insert plate and the clamping plate through the threaded tooth on the inner sleeve.

[0016] Preferably, a positioning ring groove is provided at the center of the bottom inner wall of the main disc, and a magnetic block is embedded in the inner wall of the positioning ring groove. The inner sleeve is a metal inner sleeve, and the inner wall of the main disc is connected to one end of the inner sleeve through the magnetic block.

[0017] Preferably, the pedestal assembly includes a pedestal mechanism, the inner wall of which is movably connected to a welding support mechanism, and the outer wall of which is meshed with a downward adjustment motor. With the pedestal assembly in place, during use, the small welding equipment to be used is installed on the welding slot. The downward adjustment motor is started and controlled, driving the transmission gear to rotate the main drum, thereby adjusting the welding position of the welding slot on the upper inner slip ring plate within a certain range. The position is locked by a pin through the positioning hole. Then, as needed, the position of the upper inner slip ring plate is slidably adjusted along the inner wall of the upper limit annular groove to expand the weldable range of the small welding equipment on the welding slot, thus achieving a comprehensive welding effect. This solves the problem of inconvenient multi-angle manual adjustment required in traditional welding operations, thereby achieving convenient welding.

[0018] Preferably, the pedestal mechanism includes a pedestal, the inner wall of which is provided with a conveying groove, the top of which is provided with a central slot, the central slot and the inner sleeve ring are on the same central axis, and the inner wall of the pedestal is provided with an annular groove.

[0019] Preferably, the welding support mechanism includes a main rotating cylinder, a side limiting ring is fixedly connected to the outer wall of the main rotating cylinder, the outer walls of the main rotating cylinder and the side limiting ring are movably connected to the inner wall of the annular groove, several teeth are arranged in a ring at the bottom of the main rotating cylinder, the output shaft of the downward adjusting motor is fixedly connected to a transmission gear through a coupling, the outer wall of the transmission gear meshes with the outer wall of the teeth, an upper limiting annular groove is opened at the top of the main rotating cylinder, an upper inner sliding ring plate is slidably connected to the inner wall of the upper limiting annular groove, a welding support groove is fixedly connected to the top of the upper inner sliding ring plate, and multiple positioning holes are equidistantly arranged in a ring on both the upper inner sliding ring plate and the outer wall of the main rotating cylinder.

[0020] Preferably, the side auxiliary conveying clamping assembly includes a side upright plate fixedly mounted above the base. A small side plate is fixedly connected to the outer wall of the side upright plate, and a limit roller is movably connected to the inner wall of the small side plate through a bearing. Multiple side auxiliary conveying clamping assemblies are symmetrically arranged above the conveying groove. By using the side auxiliary conveying clamping assemblies in conjunction with the support column conveying assembly, in use, the central load-bearing column at the bottom of the chair is placed on the short insert. The conveying motor is started and controlled, driving the planetary gear transmission conveying belt to convey the load-bearing column to one side of the central slot. The limit rollers in the side auxiliary conveying clamping assemblies can limit the load-bearing column on both sides, thereby ensuring the support column conveying assembly assists in the upright conveying of the load-bearing column, reducing the labor intensity of the operator.

[0021] The support column conveying assembly includes a support frame fixedly installed on the inner wall of the conveying trough. A conveying motor is fixedly connected to the outer wall of the support frame, and a conveying belt is movably connected to the inner wall of the support frame. The output shaft of the conveying motor is fixedly connected to a planetary gear through a coupling. The inner wall of the conveying belt has toothed grooves, and the outer wall of the planetary gear meshes with the toothed grooves inside the conveying belt. Several short inserts are fixedly connected to the top of the conveying belt.

[0022] Preferably, the bottom of the base assembly is fixedly connected to a base column, and there are multiple base columns. The bottom of the base column is fixedly connected to a gasket. The bottom of the downward adjusting motor is fixedly connected to a lower motor base plate, and the outer wall of the lower motor base plate is fixedly connected to the outer wall of the base column.

[0023] Compared with the prior art, the embodiments of this application have the following main advantages:

[0024] With the clamping slot assembly in place, during use, firstly, select the appropriate number of clamping mechanisms to insert into the slots based on the number of chair legs or feet to be welded, and then fix the center plate using the fixing bolts on the positioning ring. When selecting, choose the appropriate number of springs to install based on the number of chair legs or feet to be welded and their size. When there are many legs or feet or when the legs or feet are large, reduce the number of springs used appropriately, and vice versa. This allows for flexible adjustment of the clamping force layout of the clamping slots according to the number and shape of the chair legs or feet to be welded, thereby achieving a better limiting clamping effect.

[0025] Place the chair leg or foot post to be welded between two adjacent clamping mechanisms and hold it in place. After the center support column at the bottom of the chair moves into the center slot, start and control the flipping motor to drive the clamping slot assembly to rotate and flip it over. This turns the clamping mechanism and the number of chair leg or foot posts to be welded downwards. At the same time, manipulate the height of the chair leg or foot post to be welded to gradually bring the welding position of the chair leg or foot post to be welded closer to the welding position of the center support column at the bottom of the chair for welding.

[0026] By setting up the base assembly, the small welding equipment to be used is installed on the welding tray during use. The downward adjustment motor is started and controlled. The downward adjustment motor drives the transmission gear to rotate the main drum, thereby rotating and adjusting the welding position of the welding tray on the upper inner slip ring plate within a certain range. The position is locked by the pin through the positioning hole. Then, the position of the upper inner slip ring plate is adjusted by sliding along the inner wall of the upper limit annular groove as needed to expand the welding range of the small welding equipment on the welding tray, thereby achieving a comprehensive welding effect. This solves the problem of the operator having to manually adjust from multiple angles in traditional welding operations, which is inconvenient, and thus achieves a convenient welding effect.

[0027] By using the side auxiliary conveying clamping assembly in conjunction with the support column conveying assembly, the center load-bearing column at the bottom of the chair is placed on the short insert. The conveyor motor is then started and controlled, driving the planetary gear transmission belt to convey the load-bearing column to one side of the center slot. The upper limit roller of the side auxiliary conveying clamping assembly can limit the load-bearing column on both sides, thereby ensuring that the support column conveying assembly assists in the upright conveying of the load-bearing column and reducing the labor intensity of the operator. Attached Figure Description

[0028] Figure 1 This is the front view of the present invention;

[0029] Figure 2 This is a schematic diagram of the structure of the clamping groove assembly of the present invention;

[0030] Figure 3 This is a schematic diagram of the main installation disk of the present invention;

[0031] Figure 4 This is a schematic diagram of the clamping mechanism of the present invention;

[0032] Figure 5 This is a schematic diagram of the structure of the spring component of the present invention;

[0033] Figure 6 This is a schematic diagram of the structure of the support column conveying assembly of the present invention;

[0034] Figure 7 This is a schematic diagram of the structure of the base assembly of the present invention;

[0035] Figure 8 This is a schematic diagram of the structure of the pedestal mechanism of the present invention;

[0036] Figure 9 This is a schematic diagram of the welding support mechanism of the present invention;

[0037] Figure 10 This is a schematic diagram of the structure of the side-assisted conveying and clamping assembly of the present invention.

[0038] In the diagram: 1. Base column; 2. Clamping plate slot assembly; 201. Main mounting plate; 2011. Main plate body; 2012. Slot; 2013. Upper fixed plate body; 2014. Positioning ring; 2015. Fixing bolt; 202. Upper tilting motor; 203. Clamping plate mechanism; 2031. Center insert plate; 2032. Internal slot; 2033. Spring component; 2033a. Outer sleeve; 2033b. Inner sleeve; 2034. Clamping plate; 204. Pushing mechanism; 205. Inner sleeve cylinder; 3. Support column conveying assembly; 301. Support frame; 302. Conveyor. 303. Motor; 304. Conveyor belt; 305. Short insert; 4. Base assembly; 406. Base mechanism; 407. Base; 408. Conveyor groove; 409. Center slot; 4010. Annular groove; 4002. Downward adjusting motor; 401. Welding support mechanism; 4031. Main rotating drum; 4032. Tooth; 4033. Upper inner sliding ring plate; 4034. Welding support groove; 4035. Side limiting ring; 5. Side auxiliary conveying clamping assembly; 501. Side upright plate; 502. Limiting roller; 6. Side lifting hydraulic cylinder; 7. External motor fixing seat. Detailed Implementation

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0040] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0041] This invention provides a chair base welding auxiliary device, including a platform assembly 4: side lifting hydraulic cylinders 6 are provided on both sides of the platform assembly 4, an external motor fixing seat 7 is provided on the top of the side lifting hydraulic cylinders 6, a clamping groove assembly 2 is provided on the inner wall of the external motor fixing seat 7, a support column conveying assembly 3 is provided on the inner wall of the platform assembly 4, and a side auxiliary conveying clamping assembly 5 is provided on the top of the platform assembly 4.

[0042] The clamping groove assembly 2 includes an upper tilting motor 202. The output shaft of the upper tilting motor 202 is fixedly connected to a short pivot pin via a coupling. One end of the short pivot pin is fixedly connected to a main mounting plate 201. The inner wall of the main mounting plate 201 is provided with a pushing mechanism 204. The pushing mechanism 204 includes a telescopic hydraulic cylinder fixedly mounted on the main mounting plate 201. One end of the telescopic hydraulic cylinder is fixedly connected to a stop block. The inner wall of the main mounting plate 201 is inserted with a clamping mechanism 203. An inner sleeve cylinder 205 is inserted at the center of the inner wall of the main mounting plate 201.

[0043] The main installation disk 201 includes a main disk body 2011. The inner wall of the main disk body 2011 has eight slots 2012, and the eight slots 2012 are arranged in a ring at equal intervals on the outer wall of the main disk body 2011.

[0044] Among them, the top of the main plate body 2011 is fixedly connected to the upper fixed plate body 2013, and the middle of the upper fixed plate body 2013 is fixedly connected to two positioning rings 2014, and the outer wall of the positioning rings 2014 is provided with fixing bolts 2015.

[0045] The clamping mechanism 203 includes a central insert plate 2031 inserted into the inner wall of the slot 2012. The outer wall of the central insert plate 2031 is provided with an internal groove 2032. The inner wall of the internal groove 2032 is provided with several spring members 2033. One end of the spring member 2033 is provided with a clamping plate 2034.

[0046] The outer wall of the 2034 clamp is covered with a rubber layer;

[0047] The spring component 2033 includes an inner sleeve 2033b, there are two inner sleeves 2033b, and the inner walls of the two inner sleeves 2033b are fixedly connected with springs, and the outer sleeves 2033a are slidably sleeved on the outer walls of the two inner sleeves 2033b.

[0048] Among them, one end of the outer wall of the inner sleeve 2033b is provided with thread teeth, and the spring 2033 is threadedly connected to the center insert plate 2031 and the clamping plate 2034 through the thread teeth on the inner sleeve 2033b.

[0049] A positioning ring groove is provided at the center of the bottom inner wall of the main disk body 2011. A magnetic block is embedded in the inner wall of the positioning ring groove. The inner sleeve 205 is a metal inner sleeve. The inner wall of the main disk body 2011 is connected to one end of the inner sleeve 205 by the magnetic block.

[0050] It should be noted that in the current chair chassis welding operation, because the number and shape of the legs of different chairs are mostly different, especially the current swivel chairs, which are basically different for each model, the welding position of the legs is also varied. Traditional fixing aids usually use simple clamping fixation, which has a single clamping effect on the connection between the legs and the chassis. Coupled with the need to move the position constantly during welding, it is difficult to achieve a more convenient welding effect.

[0051] Specifically, in this embodiment, the solution mainly uses the following components: pedestal assembly 4, side lifting hydraulic cylinder 6, external motor mounting base 7, clamping plate slot assembly 2, support column conveying assembly 3, and side auxiliary conveying clamping assembly 5. In use, firstly, according to the number of chair legs or feet to be welded, a suitable number of clamping plate mechanisms 203 are selected and inserted into the slot 2012. The center insert plate 2031 is then fixed by the fixing bolts 2015 on the positioning ring 2014. When selecting, a suitable number of spring components 2033 are selected based on the number of chair legs or feet to be welded and the size of the legs or feet. When the number of legs or feet is large or the size of the legs or feet is large, the number of spring components 2033 is appropriately reduced, and vice versa.

[0052] At the same time, the central support column at the bottom of the chair is placed on the short insert 304, and the transmission motor 302 is started and controlled. The transmission motor 302 drives the planetary gear transmission belt 303 to transport the support column to one side of the central slot 4013.

[0053] The chair leg or foot to be welded is placed between two adjacent clamping mechanisms 203 and held in place by the clamping plates 2034. The load-bearing column is moved and placed on the central slot 4013. After the central load-bearing column at the bottom of the chair moves into the central slot 4013, the upper flip motor 202 is started and controlled to drive the clamping plate slot assembly 2 to rotate and thus flip, so that the clamping plate mechanism 203 and the number of chair leg or foot to be welded are facing downwards. At the same time, the inner sleeve 205 is fastened above the load-bearing column. The inner sleeve 205 is slid down along the outer wall of the load-bearing column to remove the inner sleeve 205. The telescopic hydraulic cylinder is started and controlled to move the abutment to push the chair leg or foot to be welded. At the same time, the height of the chair leg or foot to be welded is lowered so that the welding position of the chair leg or foot to be welded gradually approaches the welding position of the central load-bearing column at the bottom of the chair for welding.

[0054] Install the small welding equipment to be used on the welding tray 4034, start and control the downward adjustment motor 402, and drive the transmission gear to rotate the main drum 4031 through the downward adjustment motor 402, thereby rotating and adjusting the welding position of the welding tray 4034 on the upper inner slip ring plate 4033 within a certain range, and locking it through the positioning hole with a pin. Then, adjust the position of the upper inner slip ring plate 4033 by sliding along the inner wall of the upper limit annular groove as needed, so as to expand the welding range of the small welding equipment on the welding tray 4034, thereby achieving a comprehensive welding effect.

[0055] In this embodiment, by setting the clamping groove assembly 2, in use, firstly, according to the number of chair legs or feet to be welded, an appropriate number of clamping mechanisms 203 are selected and inserted into the slot 2012, and the central insert plate 2031 is fixed by the fixing bolt 2015 on the positioning ring 2014. When selecting, according to the number of chair legs or feet to be welded and the size of the legs or feet, an appropriate number of springs 2033 are selected for installation. When the number of legs or feet is large or the size of the legs or feet is large, the number of springs 2033 is appropriately reduced, and vice versa. This allows for flexible adjustment of the clamping force layout of the clamping groove according to the number and shape of the chair legs or feet to be welded, thereby achieving a better limiting clamping effect.

[0056] The chair leg or foot to be welded is placed between two adjacent clamping mechanisms 203 and held in place by the clamping plates 2034. After the center support column at the bottom of the chair moves into the center slot 4013, the upper flip motor 202 is started and controlled to drive the clamping plate slot assembly 2 to rotate and achieve flipping, so that the clamping plate mechanism 203 and the number of chair leg or foot to be welded are facing downwards. At the same time, the height of the chair leg or foot to be welded is lowered so that the welding position of the chair leg or foot to be welded is gradually closer to the welding position of the center support column at the bottom of the chair, so as to carry out welding.

[0057] In a further preferred embodiment of the present invention, the pedestal assembly 4 includes a pedestal mechanism 401, a welding support mechanism 403 is movably connected to the inner wall of the pedestal mechanism 401, and a downward adjustment motor 402 is engagedly connected to the outer wall of the welding support mechanism 403.

[0058] The pedestal mechanism 401 includes a pedestal 4011, a conveying groove 4012 is provided on the inner wall of the pedestal 4011, a central slot 4013 is provided on the top of the pedestal 4011, the central slot 4013 and the inner sleeve ring 205 are on the same central axis, and an annular groove 4014 is provided on the inner wall of the pedestal 4011.

[0059] The welding support mechanism 403 includes a main rotating cylinder 4031. A side limiting ring 4035 is fixedly connected to the outer wall of the main rotating cylinder 4031. The outer walls of the main rotating cylinder 4031 and the side limiting ring 4035 are movably connected to the inner wall of the annular groove 4014. Several teeth 4032 are arranged in a ring at the bottom of the main rotating cylinder 4031. The output shaft of the downward adjusting motor 402 is fixedly connected to a transmission gear through a coupling. The outer wall of the transmission gear meshes with the outer wall of the teeth 4032. An upper limit annular groove is opened at the top of the main rotating cylinder 4031. An upper inner sliding ring plate 4033 is slidably connected to the inner wall of the upper limit annular groove. A welding support groove 4034 is fixedly connected to the top of the upper inner sliding ring plate 4033. Multiple positioning holes are equidistantly arranged in a ring on the outer walls of the upper inner sliding ring plate 4033 and the main rotating cylinder 4031.

[0060] The bottom of the base assembly 4 is fixedly connected to a base column 1. There are multiple base columns 1, and the bottom of the base column 1 is fixedly connected to a gasket. The bottom of the downward adjustment motor 402 is fixedly connected to a lower motor base plate, and the outer wall of the lower motor base plate is fixedly connected to the outer wall of the base column 1.

[0061] In this embodiment, by setting the base assembly 4, the small welding equipment to be used is installed on the welding tray 4034 during use. The downward adjustment motor 402 is started and controlled. The downward adjustment motor 402 drives the transmission gear to rotate the main drum 4031, thereby rotating and adjusting the welding position of the welding tray 4034 on the upper inner slip ring plate 4033 within a certain range. The position is locked by the pin through the positioning hole. Then, the position of the upper inner slip ring plate 4033 is adjusted by sliding along the inner wall of the upper limit annular groove as needed, so as to expand the welding range of the small welding equipment on the welding tray 4034, thereby achieving a comprehensive welding effect. This solves the problem of the operator having to manually adjust from multiple angles in traditional welding operations, which is inconvenient, and thus achieves a convenient welding effect.

[0062] In a further preferred embodiment of the present invention, the side auxiliary conveying clamping assembly 5 includes a side plate 501 fixedly disposed above the platform 4011. A small side plate is fixedly connected to the outer wall of the side plate 501. A limit roller 502 is movably connected to the inner wall of the small side plate through a bearing. The number of side auxiliary conveying clamping assemblies 5 is multiple, and the multiple side auxiliary conveying clamping assemblies 5 are symmetrically disposed above the conveying groove 4012.

[0063] The support column conveying assembly 3 includes a support frame 301 fixedly installed on the inner wall of the conveying trough 4012. A conveying motor 302 is fixedly connected to the outer wall of the support frame 301. A conveying belt 303 is movably connected to the inner wall of the support frame 301. A planetary gear is fixedly connected to the output shaft of the conveying motor 302 through a coupling. The inner wall of the conveying belt 303 is provided with toothed grooves. The outer wall of the planetary gear meshes with the toothed grooves inside the conveying belt 303. Several short inserts 304 are fixedly connected to the top of the conveying belt 303.

[0064] In this embodiment, by setting the side auxiliary conveying clamping component 5 and using it in conjunction with the support column conveying component 3, the center load-bearing column at the bottom of the chair is placed on the short insert 304 during use. The conveying motor 302 is started and controlled, and the planetary gear transmission conveying belt 303 is driven by the conveying motor 302 to convey the load-bearing column to one side of the center slot 4013. The setting of the upper limit roller 502 of the side auxiliary conveying clamping component 5 can achieve the effect of limiting the load-bearing column on both sides, thereby ensuring that the support column conveying component 3 assists in the upright conveying of the load-bearing column and reducing the labor intensity of the operator.

[0065] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0066] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0067] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0068] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of the present invention according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of the present invention. These technical solutions also fall within the scope of protection of the present invention.

Claims

1. A chair base welding auxiliary device, characterized in that, Includes a platform assembly (4): a side lifting hydraulic cylinder (6) is provided on both sides of the platform assembly (4), an external motor fixing seat (7) is provided on the top of the side lifting hydraulic cylinder (6), a clamping groove assembly (2) is provided on the inner wall of the external motor fixing seat (7), a support column conveying assembly (3) is provided on the inner wall of the platform assembly (4), and a side auxiliary conveying clamping assembly (5) is provided on the top of the platform assembly (4). The clamping groove assembly (2) includes an upper tilting motor (202), the output shaft of which is fixedly connected to a short pivot pin via a coupling, one end of which is fixedly connected to a main mounting plate (201), the inner wall of which is provided with a pushing mechanism (204), the pushing mechanism (204) including a telescopic hydraulic cylinder fixedly mounted on the main mounting plate (201), one end of which is fixedly connected to a stop block, the inner wall of which is inserted with a clamping mechanism (203), and the center of the inner wall of which is inserted with an inner sleeve ring (205). The main mounting plate (201) includes a main plate body (2011), and the inner wall of the main plate body (2011) is provided with slots (2012). The number of slots (2012) is eight, and the eight slots (2012) are arranged in a ring at equal intervals on the outer wall of the main plate body (2011). The main plate (2011) is fixedly connected to the top of the upper fixed plate (2013), and the upper fixed plate (2013) is fixedly connected to the middle of the middle of the upper fixed plate (2013). The outer wall of the positioning ring (2014) is provided with a fixing bolt (2015). The clamping mechanism (203) includes a central insert plate (2031) inserted into the inner wall of the slot (2012). The outer wall of the central insert plate (2031) is provided with an inner groove (2032). The inner wall of the inner groove (2032) is provided with several spring members (2033). One end of the spring member (2033) is provided with a clamping plate (2034). The outer wall of the clamp (2034) is covered with a rubber layer; The pedestal assembly (4) includes a pedestal mechanism (401), the inner wall of which is movably connected to a welding support mechanism (403), and the outer wall of the welding support mechanism (403) is engaged with a downward adjustment motor (402). The pedestal mechanism (401) includes a pedestal (4011), the inner wall of which is provided with a transfer groove (4012), the top of which is provided with a central slot (4013), the central slot (4013) and the inner sleeve ring (205) are on the same central axis, and the inner wall of the pedestal (4011) is provided with an annular groove (4014). The welding support mechanism (403) includes a main rotating cylinder (4031), and a side limiting ring (4035) is fixedly connected to the outer wall of the main rotating cylinder (4031). The outer walls of the main rotating cylinder (4031) and the side limiting ring (4035) are movably connected to the inner wall of the annular groove (4014). Several teeth (4032) are arranged in a ring at the bottom of the main rotating cylinder (4031). The output shaft of the downward adjusting motor (402) is fixedly connected to a coupling. The transmission gear has its outer wall meshing with the outer wall of the teeth (4032). The top of the main rotating cylinder (4031) is provided with an upper limit annular groove. The inner wall of the upper limit annular groove is slidably connected with an upper inner sliding ring plate (4033). The top of the upper inner sliding ring plate (4033) is fixedly connected with a welding bracket (4034). The outer walls of the upper inner sliding ring plate (4033) and the main rotating cylinder (4031) are both provided with multiple positioning holes arranged in a ring at equal intervals.

2. The chair base welding auxiliary device as described in claim 1, characterized in that, The spring component (2033) includes an inner sleeve (2033b), and there are two inner sleeves (2033b). The inner walls of the two inner sleeves (2033b) are fixedly connected with springs, and the outer walls of the two inner sleeves (2033b) are slidably sleeved with an outer sleeve (2033a). The inner sleeve (2033b) has a threaded tooth on one end of its outer wall, and the spring (2033) is threadedly connected to the center insert plate (2031) and the clamp (2034) through the threaded tooth on the inner sleeve (2033b).

3. The chair base welding auxiliary device as described in claim 1, characterized in that, A positioning ring groove is provided at the center of the bottom inner wall of the main disk (2011), and a magnetic block is embedded in the inner wall of the positioning ring groove. The inner sleeve cylinder (205) is a metal inner sleeve cylinder. The inner wall of the main disk (2011) is connected to one end of the inner sleeve cylinder (205) by the magnetic block.

4. The chair base welding auxiliary device as described in claim 1, characterized in that, The side auxiliary conveying clamping assembly (5) includes a side plate (501) fixedly installed above the platform (4011). A small side plate is fixedly connected to the outer wall of the side plate (501). A limit roller (502) is movably connected to the inner wall of the small side plate through a bearing. There are multiple side auxiliary conveying clamping assemblies (5), and multiple side auxiliary conveying clamping assemblies (5) are symmetrically arranged above the conveying groove (4012). The support column conveying assembly (3) includes a support frame (301) fixedly installed on the inner wall of the conveying groove (4012). A conveying motor (302) is fixedly connected to the outer wall of the support frame (301). A conveying belt (303) is movably connected to the inner wall of the support frame (301). A planetary gear is fixedly connected to the output shaft of the conveying motor (302) through a coupling. The inner wall of the conveying belt (303) is provided with toothed grooves. The outer wall of the planetary gear meshes with the toothed grooves inside the conveying belt (303). Several short inserts (304) are fixedly connected to the top of the conveying belt (303).

5. The chair base welding auxiliary device as described in claim 1, characterized in that, The bottom of the base assembly (4) is fixedly connected to a base column (1), and there are multiple base columns (1). The bottom of the base column (1) is fixedly connected to a gasket. The bottom of the downward adjustment motor (402) is fixedly connected to a lower motor base plate, and the outer wall of the lower motor base plate is fixedly connected to the outer wall of the base column (1).

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