阅读说明：本技术 一种工件焊接加工用的初步处理装置及其使用方法 (Primary treatment device for workpiece welding and use method thereof ) 是由 吕友葱 张伟 陈斌 于 2021-09-22 设计创作，主要内容包括：本申请涉及一种工件焊接加工用的初步处理装置及其使用方法,属于焊接领域,该装置通过第二电机带动传动辊和打磨砂带转动,通过传动辊带动打磨砂带转动能够对喷油器坯料进行打磨处理,将两个打磨砂带旋转之后,通过两个打磨砂带能够对喷油器坯料进行夹紧固定,且通过第二电机和传动辊带动喷油器坯料转动,使得该装置能够满足对喷油器坯料焊接前的打磨处理以及夹紧定位处理,实现了该装置的多功能,解决了现有技术中,打磨装置只具备打磨功能,而夹紧固定装置只具备夹紧固定的功能,导致工厂需要同时购置打磨装置以及夹紧固定装置,占用空间大的问题。(The utility model relates to a preliminary treatment device and application method that work piece welding process used, belong to the welding field, the device drives the driving roller through the second motor and grinds the abrasive band and rotate, it can polish the processing to the sprayer blank to drive the abrasive band of polishing through the driving roller and rotate, after two abrasive bands of polishing are rotatory, can press from both sides tight fixedly to the sprayer blank through two abrasive bands of polishing, and drive the sprayer blank through second motor and driving roller and rotate, make the device can satisfy to polish processing and press from both sides tight location processing before the sprayer blank welds, the device's is multi-functional has been realized, prior art has been solved, grinding device only possesses the polishing function, and it only possesses the function of pressing from both sides tight fixed to press from both sides tight fixing device, lead to the mill need purchase grinding device and press from both sides tight fixing device simultaneously, the problem that occupation space is big.)

1. A primary treatment device for workpiece welding processing comprises a supporting seat (1), and is characterized in that two first grooves (2) are formed in the supporting seat (1), a polishing clamping mechanism (3) for polishing a fuel injector blank is arranged between the two first grooves (2), a tensioning supporting mechanism (4) for tensioning the polishing clamping mechanism (3) is arranged between the polishing clamping mechanism (3) and the supporting seat (1), an adjusting mechanism (5) is arranged on one surface of the supporting seat (1), and two auxiliary mechanisms (6) for supporting the polishing clamping mechanism (3) are arranged on the adjusting mechanism (5);

the polishing clamping mechanism (3) comprises an adjusting portion and a polishing clamping portion, the adjusting portion is arranged in the supporting seat (1) and used for adjusting the distance of the polishing clamping portion, the polishing clamping portion is arranged on the adjusting portion and used for polishing before welding of an oil sprayer blank and clamping the oil sprayer blank in the welding process, the polishing clamping portion comprises two driving rollers (309) and two polishing abrasive belts (310) are connected between the driving rollers (309) in a transmission mode.

2. The primary processing device for workpiece welding processing according to claim 1, wherein the adjusting portion comprises two first motors (301) fixedly mounted on two sides of the supporting base (1), output shafts of the two first motors (301) respectively extend into the two first grooves (2) and are fixedly connected with lead screws (302), outer surfaces of the two lead screws (302) are respectively connected with supporting blocks (303) in a threaded manner, and connecting pipes (311) are fixedly mounted in the middle of top ends of the two supporting blocks (303).

3. The primary processing device for workpiece welding according to claim 2, wherein ball bearings (312) are fixedly mounted on outer surfaces of the two connecting pipes (311), turntables (306) located above the supporting blocks (303) are fixedly sleeved on outer surfaces of the two ball bearings (312), vertical plates (308) are fixedly mounted on one sides of tops of the two turntables (306), the two driving rollers (309) are respectively connected to the two vertical plates (308) through bearings in a rotating manner, a second motor (320) is fixedly mounted on one of the vertical plates (308), and an output shaft of the second motor (320) is fixedly connected with one of the driving rollers (309).

4. The preliminary treatment device for workpiece welding processing according to claim 3, wherein square grooves (304) are formed in the two support blocks (303), vertical rods (305) are arranged in the two square grooves (304), square plates slidably connected with the inner walls of the square grooves (304) are fixedly connected to the bottom ends of the vertical rods (305), the top ends of the two vertical rods (305) respectively penetrate through the two support blocks (303) and the two rotary discs (306) and extend to the outer portion of the top end of the rotary disc (306), first springs (307) located in the square grooves (304) are arranged on the outer surfaces of the vertical rods (305), and two ends of the first springs (307) are respectively fixedly connected with the square grooves (304) and the square plates.

5. The primary processing device for workpiece welding processing according to claim 4, wherein a gap is arranged between the outer surface of each of the two vertical rods (305) and the middle of each of the two turntables (306), a cross groove (313) is formed at the top of each of the two turntables (306), a first mounting groove (314) is formed at the top end of each of the two vertical rods (305), and two connecting shafts (315) are fixedly mounted in the first mounting grooves (314).

6. The preliminary treatment device of work piece welding process usefulness according to claim 5, characterized in that, two the surface of connecting axle (315) all is connected with handle (316) through bearing rotation, two round groove (317) that are located the connecting axle (315) outside are all seted up on the side of handle (316), the surface of connecting axle (315) is provided with torsional spring (318) that are located round groove (317), the both ends of torsional spring (318) respectively with connecting axle (315) and round groove (317) fixed connection, the surface fixed mounting of pole setting (305) has two and cross groove (313) vertically limiting plate (319), two the limiting plate (319) all pegs graft with the inner wall of cross groove (313) is supporting.

7. The preliminary processing device for workpiece welding processing according to claim 6, characterized in that the tensioning and supporting mechanism (4) comprises a tensioning part and a supporting part, the tensioning part is arranged in the supporting seat (1) and is used for tensioning the sanding belt (310), and the supporting part is arranged on the tensioning part and is used for supporting the oil sprayer blank during welding.

8. A preliminary processing apparatus for a workpiece welding process as set forth in claim 7, characterized in that said adjusting mechanism (5) is used for adjusting the height of the auxiliary mechanism (6).

9. The preliminary processing device for workpiece welding processing according to claim 8, characterized in that the auxiliary mechanism (6) comprises a connecting portion and a supporting band portion, the connecting portion is arranged on the adjusting mechanism (5) and is used for connecting the supporting band portion with the adjusting mechanism (5) to realize the lifting of the supporting band portion driven by the adjusting mechanism (5), and the supporting band portion is arranged on the connecting mechanism and is used for supporting the sanding belt (310).

10. A method of using a preliminary treatment apparatus for workpiece welding processing, using the preliminary treatment apparatus for workpiece welding processing according to claim 9, characterized by comprising the steps of:

step one, polishing treatment: the fuel injector blank is polished through the polishing clamping mechanism (3), the polishing abrasive belt (310) is supported through the two auxiliary mechanisms (6) in the polishing process, and the polishing abrasive belt (310) is pulled through the tensioning support mechanism (4) so that the polishing abrasive belt (310) is tensioned;

step two, clamping treatment: after the fuel injector blank is polished, the polishing clamping mechanism (3) and the tensioning support mechanism (4) are structurally converted, the fuel injector blank is placed on the converted tensioning support mechanism (4), and the fuel injector blank is clamped through the polishing clamping mechanism (3).

Technical Field

The invention relates to a primary treatment device for workpiece welding and a using method thereof, belongs to the field of welding, and particularly belongs to gas flame welding.

Background

The engine is a machine capable of converting other forms of energy into mechanical energy, and comprises an internal combustion engine, an external combustion engine, a jet engine, a motor and the like, wherein chemical energy is converted into mechanical energy by the internal combustion engine, the engine is suitable for a power generation device, and can also refer to the whole machine comprising a power device, a fuel injector is an important part on the engine, the fuel injector injects gasoline into a cylinder, the injected gasoline forms mist, the mist is mixed with air and then is ignited by a spark plug, and the ignited mixture of the gasoline and the air pushes a piston to do work.

The sprayer carries out welding process to its blank through gas flame welding lathe in the production and processing process, for improving welding quality, can carry out preliminary treatment to the sprayer blank before the welding usually, the preliminary treatment of blank is fixed including polishing and the clamp of blank, rethread clamp fixing device presss from both sides tight fixing device to the blank after detaching blank welded junction's dirt through grinding device and presss from both sides tightly fixedly, among the prior art, grinding device only possesses the function of polishing, and it only possesses the function of pressing from both sides tight fixed to press from both sides tight fixing device, lead to the mill need purchase grinding device simultaneously and press from both sides tight fixing device, occupation space is big.

Therefore, the invention provides an improvement on the device and a method for primarily processing workpieces for welding.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: among the prior art, grinding device only possesses the function of polishing, and presss from both sides tight fixing device and only possesses the function of pressing from both sides tight fixed, leads to the mill to need purchase grinding device and press from both sides tight fixing device simultaneously, and occupation space is big.

(II) technical scheme

In order to achieve the purpose, the invention provides a primary treatment device for workpiece welding, which comprises a supporting seat, wherein two first grooves are formed in the supporting seat, a polishing clamping mechanism for polishing a fuel injector blank is arranged between the two first grooves, a tensioning supporting mechanism for tensioning the polishing clamping mechanism is arranged between the polishing clamping mechanism and the supporting seat, one surface of the supporting seat is provided with an adjusting mechanism, and two auxiliary mechanisms for supporting the polishing clamping mechanism are arranged on the adjusting mechanism;

the grinding clamping mechanism comprises an adjusting portion and a grinding clamping portion, the adjusting portion is arranged in the supporting seat and used for adjusting the distance of the grinding clamping portion, the grinding clamping portion is arranged on the adjusting portion and used for grinding before welding of the fuel injector blank and clamping the fuel injector blank in the welding process, the grinding clamping portion comprises two driving rollers, and a grinding abrasive belt is connected between the driving rollers in a transmission mode.

The adjusting portion comprises two first motors which are fixedly installed on two sides of the supporting seat respectively, output shafts of the two first motors extend into the two first grooves respectively and are fixedly connected with lead screws, the outer surfaces of the two lead screws are connected with supporting blocks in a threaded mode, and connecting pipes are fixedly installed in the middle of the top ends of the supporting blocks.

The outer surfaces of the two connecting pipes are fixedly provided with ball bearings, the outer surfaces of the two ball bearings are fixedly sleeved with turnplates located above the supporting blocks, one sides of the tops of the two turnplates are fixedly provided with vertical plates, the two driving rollers are respectively connected to the two vertical plates in a rotating mode through bearings, one of the vertical plates is fixedly provided with a second motor, and an output shaft of the second motor is fixedly connected with one of the driving rollers.

The square groove has been all seted up in two the support block, two the square inslot all is provided with the pole setting, the bottom fixedly connected with of pole setting and square inslot wall sliding connection's square plate, two the top of pole setting is passed two supporting shoes and two carousels respectively and is extended to the outside on carousel top, the surface of pole setting is provided with the first spring that is located the square groove, the both ends of first spring respectively with square groove and square plate fixed connection.

All be equipped with the gap between, two between the surface of pole setting and the middle part of two carousels the cross recess has all been seted up at the top of carousel, two first mounting groove has all been seted up on the top of pole setting, fixed mounting has two connecting axles in the first mounting groove.

The utility model discloses a cross recess, including the connecting axle, the connecting axle is connected with the handle, two the surface of connecting axle all rotates through the bearing and is connected with the handle, two all set up the circular slot that is located the connecting axle outside on the side of handle, the surface of connecting axle is provided with the torsional spring that is located the circular slot, the both ends of torsional spring respectively with connecting axle and circular slot fixed connection, the fixed surface of pole setting install two with cross recess vertically limiting plate, two the limiting plate all pegs graft with the inner wall of cross recess is supporting.

The tensioning support mechanism comprises a tensioning portion and a support portion, the tensioning portion is arranged in the support seat and used for tensioning the sanding belt, and the support portion is arranged on the tensioning portion and used for supporting a fuel injector blank in a welding process.

Wherein, the adjustment mechanism is used for adjusting the height of the auxiliary mechanism.

The auxiliary mechanism comprises a connecting part and a supporting belt part, the connecting part is arranged on the adjusting mechanism and used for connecting the supporting belt part with the adjusting mechanism to drive the supporting belt part to lift, and the supporting belt part is arranged on the connecting mechanism and used for supporting the polishing abrasive belt.

A use method of a primary processing device for workpiece welding processing comprises the following steps:

step one, polishing treatment: the oil sprayer blank is polished through the polishing clamping mechanism, the polishing abrasive belt is supported through the two auxiliary mechanisms in the polishing process, and then the polishing abrasive belt is pulled through the tensioning support mechanism, so that the polishing abrasive belt is tensioned;

step two, clamping treatment: after the fuel injector blank is polished, the polishing clamping mechanism and the tensioning support mechanism are structurally converted, the fuel injector blank is placed on the converted tensioning support mechanism, and the fuel injector blank is clamped through the polishing clamping mechanism.

(III) advantageous effects

The invention provides a primary treatment device for workpiece welding and a using method thereof, which have the beneficial effects that:

1. through the arranged device, the device drives the transmission roller and the grinding abrasive belt to rotate through the second motor, the oil sprayer blank can be ground through the transmission roller driving the grinding abrasive belt to rotate, after the two grinding abrasive belts are rotated, the oil sprayer blank can be clamped and fixed through the two grinding abrasive belts, and the oil sprayer blank is driven to rotate through the second motor and the transmission roller, so that the device can meet the grinding treatment and clamping and positioning treatment before welding the oil sprayer blank, the multifunction of the device is realized, the problems that in the prior art, the grinding device only has the grinding function, and the clamping and fixing device only has the clamping and fixing function, so that a factory needs to purchase the grinding device and the clamping and fixing device at the same time, and the occupied space is large are solved;

2. through the arranged tensioning support mechanism, in the polishing process, a second spring in the tensioning support mechanism can pull the polishing abrasive belt downwards through the square rod and the supporting roller, so that the polishing abrasive belt is in a tensioning state, and the situation that the polishing abrasive belt is connected with the two driving rollers and is loosened to cause the driving rollers to slip in the polishing process can be reduced;

3. through the arranged tensioning support mechanism, in the clamping and fixing process, the tensioning support mechanism holds the square rod and pulls the support plates upwards, then the support plates are rotated by ninety degrees and loosened, at the moment, the two support plates are horizontally arranged, so that the fuel injector blank can be supported when the two grinding abrasive belts clamp the fuel injector blank, and the condition that the fuel injector blank deviates in the welding process can be reduced;

4. through the arranged auxiliary mechanism, in the polishing treatment process, the roller in the auxiliary mechanism can support the polishing belt, and the separation of the polishing belt from the bottom of the driving roller caused by the downward pulling of the polishing belt by the second spring can be avoided, so that the connection stability between the polishing belt and the driving roller is ensured, the transmission of power can be ensured, and the slipping condition of the polishing belt is further reduced;

5. through the arranged auxiliary mechanisms, in the clamping and fixing process, the supporting rods are rotated by one hundred eighty degrees, then the auxiliary plates are rotated to be horizontal, the polishing abrasive belt is sleeved between the rollers in the two auxiliary mechanisms, the adjusting rods are inserted into the inner sides of the polishing abrasive belt, the two auxiliary mechanisms can be driven to lift by rotating the adjusting mechanisms at the moment, the square rods can be driven to lift by the two auxiliary mechanisms through the polishing abrasive belt and the adjusting rods, so that the height of the supporting rollers can be adjusted according to the diameter of the fuel injector blank, and the fuel injector blank with different diameters can be suitable for fuel injector blanks with different diameters;

6. through the clamping mechanism that polishes that sets up, inside two handle levels among the clamping mechanism that polishes inserted the cross recess when setting up, can improve the fixed effect to the carousel to improve the fixed effect to riser and driving roller, two handles among the clamping mechanism that polishes can make things convenient for the staff to stimulate the pole setting after standing up, thereby conveniently carry out rotation regulation to riser and driving roller.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram provided herein;

FIG. 2 is a schematic rear view of the structure provided by the present application;

FIG. 3 is a schematic structural view of a blank injector held by a drive roller according to the present disclosure;

FIG. 4 is a schematic cross-sectional view of a support base according to the present application;

FIG. 5 is a schematic cross-sectional structural view of a turntable provided in the present application;

FIG. 6 is an enlarged view of the structure at A in FIG. 2;

FIG. 7 is a schematic cross-sectional structural view of a square bar provided in the present application;

FIG. 8 is a schematic view of the structure B in FIG. 3;

FIG. 9 is a schematic view of the connection between the drive block and the auxiliary mechanism provided by the present application;

FIG. 10 is a schematic structural view of the auxiliary plate provided in the present application when the auxiliary plate is horizontally disposed;

FIG. 11 is a side view cross-sectional structural schematic view of an auxiliary plate provided herein;

FIG. 12 is a schematic structural view of a first jack provided herein;

fig. 13 is a schematic structural diagram of a second jack provided in the present application.

1. A supporting seat; 2. a first groove; 3. polishing the clamping mechanism; 301. a first motor; 302. a screw rod; 303. a support block; 304. a square groove; 305. erecting a rod; 306. a turntable; 307. a first spring; 308. a vertical plate; 309. a driving roller; 310. sanding an abrasive belt; 311. a connecting pipe; 312. a ball bearing; 313. a cross groove; 314. a first mounting groove; 315. a connecting shaft; 316. a grip; 317. a circular groove; 318. a torsion spring; 319. a limiting plate; 320. a second motor; 4. a tensioning support mechanism; 401. a second groove; 402. a baffle plate; 403. a slide bar; 404. a slider; 405. a square bar; 406. a first rotating shaft; 407. adjusting a rod; 408. a second spring; 409. a through hole; 410. a support plate; 411. a support roller; 412. a side groove; 413. connecting columns; 414. a connecting rod; 415. an inner tank; 416. a sliding plate; 417. a third spring; 5. an adjustment mechanism; 501. a first chute; 502. a threaded rod; 503. a transmission block; 504. a toothed wheel; 505. a toothed belt; 6. an auxiliary mechanism; 601. a connecting bolt; 602. an auxiliary plate; 603. a second mounting groove; 604. a second rotating shaft; 605. a support bar; 606. a drum; 607. a second chute; 608. pushing the plate; 609. inserting a rod; 611. a first jack; 612. a second jack; 613. and a fourth spring.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1, the embodiment provides a primary treatment device for workpiece welding, which comprises a support seat 1, wherein two first grooves 2 are formed in the support seat 1, a polishing clamping mechanism 3 for polishing a fuel injector blank is arranged between the two first grooves 2, a tensioning support mechanism 4 for tensioning the polishing clamping mechanism 3 is arranged between the polishing clamping mechanism 3 and the support seat 1, the tensioning support mechanism 4 can reduce the situation that the polishing clamping mechanism 3 is loosened during use and the polishing effect is poor, an adjusting mechanism 5 is arranged on one surface of the support seat 1, and two auxiliary mechanisms 6 for supporting the polishing clamping mechanism 3 are arranged on the adjusting mechanism 5;

the grinding clamping mechanism 3 comprises an adjusting part and a grinding clamping part, the adjusting part is arranged in the supporting seat 1 and is used for adjusting the distance of the grinding clamping part, the grinding clamping part is arranged on the adjusting part and is used for grinding before welding of an oil injector blank and clamping the oil injector blank in the welding process, the grinding clamping part comprises two driving rollers 309, a grinding abrasive belt 310 is connected between the two driving rollers 309 in a transmission manner and can support the grinding abrasive belt 310 through the driving rollers 309, the two driving rollers 309 are far away from each other and can tension the grinding abrasive belt 310, but the positions of the driving rollers 309 are fixed in the grinding process, when the grinding abrasive belt 310 is loosened, if the grinding abrasive belt is tensioned by adjusting the distance of the two driving rollers 309, the grinding operation needs to be stopped and is not beneficial to use, but the grinding abrasive belt 310 can be automatically tensioned through the tensioning supporting mechanism 4, without stopping polishing, thereby facilitating the operation, the tension support mechanism 4 includes a support plate 410, and one surface of the support plate 410 is rotatably connected with two support rollers 411 through bearings.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 2, 3, 4 and 5, as a preferred embodiment, on the basis of the above manner, further, the adjusting portion includes two first motors 301 respectively and fixedly installed at two sides of the supporting seat 1, output shafts of the two first motors 301 respectively extend into the two first grooves 2 and are respectively and fixedly connected with a lead screw 302, outer surfaces of the two lead screws 302 are respectively and threadedly connected with a supporting block 303, outer sides of the supporting block 303 and inner walls of the first grooves 2 are respectively and smoothly, side surfaces of the supporting block 303 are slidably connected with inner walls of the first grooves 2, so that the supporting block 303 can be limited by the first grooves 2, and further the moving stability of the supporting block 303 is improved, connecting pipes 311 are respectively and fixedly installed at middle portions of top ends of the two supporting blocks 303, ball bearings 312 are respectively and fixedly installed at outer surfaces of the two connecting pipes 311, and rotating discs 306 located above the supporting block 303 are respectively and fixedly sleeved on outer surfaces of the two ball bearings 312, connecting pipe 311 and ball bearing 312 through setting up can link together carousel 306 and supporting shoe 303, and make carousel 306 can rotate, the equal fixed mounting in one side at two carousel 306 tops has riser 308, two driving roller 309 rotate through the bearing respectively and connect on two riser 308, one side fixed mounting that driving roller 309 was kept away from to one of them riser 308 has second motor 320, the output shaft of second motor 320 and one of them driving roller 309 fixed connection, can support driving roller 309 and second motor 320 through riser 308, can drive driving roller 309 and sanding belt 310 through lead screw 302 and rotate, can polish the abrasive band blank to the sprayer through the rotation of sanding belt 310.

As shown in fig. 4, as a preferred embodiment, on the basis of the above manner, further, square grooves 304 are formed in the two supporting blocks 303, vertical rods 305 are arranged in the two square grooves 304, a square plate slidably connected with the inner wall of the square groove 304 is fixedly connected to the bottom ends of the vertical rods 305, the vertical rods 305 can be limited by the mutual matching of the square plates and the square grooves 304, the vertical rods 305 can be prevented from rotating, the top ends of the two vertical rods 305 penetrate through the two supporting blocks 303 and the two rotating discs 306 respectively and extend to the outside of the top end of the rotating disc 306, first springs 307 located in the square grooves 304 are arranged on the outer surfaces of the vertical rods 305, and the two ends of the first springs 307 are fixedly connected with the square grooves 304 and the square plates respectively.

As shown in fig. 5 and fig. 6, as a preferred embodiment, on the basis of the above manner, further, gaps are respectively provided between outer surfaces of the two vertical rods 305 and the middle portions of the two rotating discs 306, so that the vertical rods 305 are not affected by the rotating discs 306 when being pulled, cross grooves 313 are respectively provided at the tops of the two rotating discs 306, first mounting grooves 314 are respectively provided at the top ends of the two vertical rods 305, two connecting shafts 315 are fixedly mounted in the first mounting grooves 314, the outer surfaces of the two connecting shafts 315 are respectively rotatably connected with handles 316 through bearings, circular grooves 317 located outside the connecting shafts 315 are respectively provided on side surfaces of the two handles 316, torsion springs 318 located in the circular grooves 317 are provided on the outer surfaces of the connecting shafts 315, sufficient space is provided on the side surfaces of the handles 316 through the provided circular grooves 317, the torsion springs 318 are respectively fixedly connected with the connecting shafts 315 and the circular grooves 317, the outer fixed surface of pole setting 305 installs two limiting plate 319 with cross groove 313 vertically, two limiting plate 319 all peg graft with the inner wall of cross groove 313 is supporting, can carry on spacingly to carousel 306 in arranging limiting plate 319 and handle 316 in cross groove 313, avoid carousel 306 to take place to rotate in the use, and use connecting axle 315 to rotate handle 316 as the center and make it can be convenient for the staff to spur pole setting 305 after standing up, can make limiting plate 319 and cross groove 313 separate through spur connecting axle 315, carousel 306 can be rotated this moment.

As shown in figure 1 of the drawings, in which, as shown in fig. 4 and fig. 8, as a preferred embodiment, on the basis of the above manner, further, the tensioning support mechanism 4 further includes a second groove 401 formed in the middle of the support seat 1, a through hole 409 communicated with the second groove 401 is formed in a side surface of the support seat 1, baffles 402 are fixedly mounted on top portions of inner walls of two sides of the second groove 401, a slide bar 403 is fixedly mounted at a bottom of an inner wall of the second groove 401, a slide block 404 is slidably connected to an outer surface of the slide bar 403, the slide bar 403 can limit the slide block 404, the slide block 404 can slide on the outer surface of the slide bar 403, a second spring 408 is fixedly mounted on the top portion of the slide block 404, a first rotating shaft 406 is fixedly mounted at a top end of the second spring 408, an adjusting rod 407 is fixedly mounted on one side of the first rotating shaft 406, and one end of the adjusting rod 407 far away from the first rotating shaft 406 passes through the through hole 409 and extends to the outside of the support seat 1.

As shown in fig. 7, as a preferred embodiment, on the basis of the above manner, further, a square bar 405 is rotatably connected to the top end of the first rotating shaft 406 through a bearing, so that the square bar 405 can rotate, and the orientation of the supporting roller 411 can be adjusted, the supporting plate 410 is arranged at the top of the square bar 405, a side groove 412 is formed in one side of the supporting plate 410, a connecting column 413 is fixedly installed in the side groove 412, the acting force of the second spring 408 can drive the first rotating shaft 406 and the square bar 405 to descend, and the supporting plate 410 and the two supporting rollers 411 can be driven to descend through the square bar 405, so that the supporting roller 411 can pull and tension the sanding belt 310, and the loosening of the sanding belt 310 is reduced;

an inner groove 415 is formed in the square rod 405, a sliding plate 416 is connected in the inner groove 415 in a sliding mode, a connecting rod 414 is fixedly installed at the top of the sliding plate 416, the top end of the connecting rod 414 penetrates through the inner groove 415, extends into the side groove 412 and is rotatably connected with the outer surface of the connecting column 413 through a bearing, a third spring 417 is fixedly installed at the bottom of the sliding plate 416, the bottom end of the third spring 417 is fixedly connected with the bottom of the inner cavity of the inner groove 415, when a fuel injector blank is clamped, the supporting plate 410 is rotated to be perpendicular to the square rod 405, the sliding plate 416 and the connecting rod 414 can be pulled through the acting force of the third spring 417, the supporting plate 410 is in close contact with the top end of the square rod 405, and the stability of the square rod 405 and the supporting roller 411 during use can be improved.

As shown in fig. 1 and fig. 9, as a preferred embodiment, on the basis of the above manner, further, the adjusting mechanism 5 is used for adjusting the height of the auxiliary mechanism 6, the adjusting mechanism 5 includes two first sliding grooves 501 which are provided on the side surface of the supporting seat 1 and located at two sides of the through hole 409, the two first sliding grooves 501 are both rotatably connected with threaded rods 502 through bearings, the bottom ends of the two threaded rods 502 penetrate through the supporting seat 1 and extend to the outside of the bottom end of the supporting seat 1, the outer surfaces of the two threaded rods 502 are both fixedly connected with toothed wheels 504 located outside the supporting seat 1, a toothed belt 505 is drivingly connected between the two toothed wheels 504, the two threaded rods 502 can synchronously rotate no matter which threaded rod 502 is rotated by the arrangement of the toothed wheels 504 and the toothed belt 505, so as to facilitate the operation of a worker, the outer surfaces of the two threaded rods 502 are both threadedly connected with a driving block 503 which moves up and down along the first sliding grooves 501, two assist mechanisms 6 are provided on the side surfaces of the two transmission blocks 503, respectively.

As shown in fig. 1, 9, 10, 12 and 13, as a preferred embodiment, based on the above-mentioned manner, further, the auxiliary mechanism 6 includes a connecting portion and a supporting band portion, the connecting portion is disposed on the adjusting mechanism 5 and is used for connecting the supporting band portion with the adjusting mechanism 5, so as to enable the adjusting mechanism 5 to drive the supporting band portion to lift up and down, the supporting band portion is disposed on the connecting mechanism and is used for supporting the sanding belt 310, the connecting portion includes a connecting bolt 601 fixedly mounted on a side surface of the driving block 503, two second insertion holes 612 perpendicular to each other are formed through the connecting bolt 601, an auxiliary plate 602 is rotatably connected to an outer surface of the connecting bolt 601, a diameter of an end of the connecting bolt 601 far away from the driving block 503 is larger than a diameter of an end thereof near the driving block 503, so as to prevent the auxiliary plate 602 from being separated from the connecting bolt 601, the supporting band portion includes a second mounting groove 603 formed on an end of the auxiliary plate 602 far away from the connecting bolt 601, all fixed mounting has second pivot 604 on the inner wall of second mounting groove 603 both sides, rotates through the bearing between two second pivots 604 to be connected with bracing piece 605, can support bracing piece 605 through two second pivots 604, and the surface of bracing piece 605 rotates through the bearing to be connected with cylinder 606, sets up the first jack 611 that is located between two second pivots 604 on the bracing piece 605.

As shown in fig. 11, as a preferred embodiment, in addition to the above-mentioned mode, a second sliding groove 607 is formed in the middle of the auxiliary plate 602, two push plates 608 are slidably connected to the second sliding groove 607, a fourth spring 613 is fixedly connected between the two push plates 608, insertion rods 609 are fixedly mounted on both sides of the two push plates 608 away from each other, one end of one insertion rod 609 penetrates through the auxiliary plate 602, extends into the second mounting groove 603, and is inserted into the first insertion hole 611, one end of the other insertion rod 609 penetrates through the auxiliary plate 602, and is inserted into one of the second insertion holes 612, the insertion rod 609 is inserted into the first insertion hole 611 to limit the supporting rod 605, so as to prevent the supporting rod 605 from rotating, and the insertion rod 609 is inserted into the second insertion hole 612 to limit the auxiliary plate 602, so as to prevent the auxiliary plate 602 from rotating.

Example 3:

the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:

specifically, the primary treatment device for workpiece welding and the use method thereof are as follows:

the method comprises the following steps:

step one, polishing treatment: the fuel injector blank is polished through the polishing clamping mechanism 3, the polishing abrasive belt 310 is supported through the two auxiliary mechanisms 6 in the polishing process, and the polishing abrasive belt 310 is pulled through the tensioning support mechanism 4, so that the polishing abrasive belt 310 is tensioned;

the specific operation flow is as follows: the device is in a shape shown in fig. 1, a second motor 320 is started, a driving roller 309 connected with the second motor 320 is driven to rotate by the second motor, a polishing abrasive belt 310 is driven to rotate by the driving roller 309, an operator holds an oil sprayer blank by hand, a part of the oil sprayer blank needing to be polished is in contact with the rotating polishing abrasive belt 310, the oil sprayer blank can be polished by the polishing abrasive belt 310, the bottom of the polishing abrasive belt 310 is supported by a second mounting groove 603 in the polishing process, the square rod 405 is pulled to descend by the acting force of a second spring 408 through a first rotating shaft 406, the polishing abrasive belt 310 is pulled by the square rod 405 through a supporting plate 410 and a supporting roller 411, so that the polishing abrasive belt 310 is in a tensioning state, the slipping condition of the polishing abrasive belt 310 is reduced, when a batch of oil sprayer blanks are polished, welding is needed, and the welding process refers to step two;

step two, clamping treatment: after polishing treatment of the fuel injector blank, structural conversion is carried out on the polishing clamping mechanism 3 and the tensioning support mechanism 4, the fuel injector blank is placed on the converted tensioning support mechanism 4, and the fuel injector blank is clamped through the polishing clamping mechanism 3;

the specific operation flow is as follows: firstly, holding the adjusting rod 407 and starting the first motor 301, driving the screw rod 302 to rotate by the first motor 301, so that the two supporting blocks 303 approach each other, then pushing the sanding belt 310 to take the sanding belt 310 off from the two driving rollers 309, pushing the two push plates 608 on the auxiliary plate 602 to separate the two insertion rods 609 from the first insertion hole 611 and the second insertion hole 612, rotating the supporting rod 605 one hundred eighty degrees first, then rotating the auxiliary plate 602 ninety degrees outward to make the auxiliary plate 602 horizontal, and loosening the push plates 608 after the rotation is completed, at this time, the acting force of the fourth spring 613 drives the insertion rods 609 to reset by the push plates 608, so that the two insertion rods 609 are respectively inserted into the first insertion hole 611 and the second insertion hole 612, thereby fixing the rotating supporting rod 605 and the auxiliary plate 602;

pulling the square rod 405 upwards to enable the bottom end of the square rod 405 to be located above the two baffles 402, enabling the top of the adjusting rod 407 to be in contact with the top of the inner cavity of the through hole 409 at the moment, pushing the square rod 405 to enable the square rod 405 to move to the other side of the two baffles 402, then rotating the square rod 405 by ninety degrees, loosening the square rod 405 after the rotation is completed, then holding the square rod 405 and pulling the support plate 410 upwards, then rotating the support plate 410 by ninety degrees and loosening, enabling the support plate 410 to descend by the acting force of the third spring 417 to be in contact with the top of the square rod 405 at the moment, rotating the threaded rod 502 to enable the position of the transmission block 503 to descend, sleeving the taken-down sanding belt 310 between the two rollers 606, and enabling the adjusting rod 407 to be inserted into the inner side of the sanding belt 310;

pulling one side of the handles 316 away from the connecting shaft 315 to enable the handles 316 to rotate and erect by taking the connecting shaft 315 as a center, pulling the two handles 316 upwards to enable the upright 305 to ascend, driving the limit plate 319 to ascend through the upright 305 and separate from the cross groove 313, then rotating the upright plate 308 to enable the driving roller 309 to be parallel to the supporting seat 1, loosening the handles 316 after the rotation is completed, driving the upright 305 to descend by the acting force of the first spring 307 to enable the limit plate 319 to be inserted into the cross groove 313, driving the handles 316 to reset by the acting force of the torsion spring 318 and to be inserted into the cross groove 313, and fixing the position of the rotary table 306, wherein the shape of the device is shown in fig. 3;

when an oil injector blank needs to be welded, the threaded rod 502 is rotated, the threaded rod 502 drives the transmission block 503 to ascend or descend, so that the grinding abrasive belt 310 drives the adjusting rod 407 to ascend or descend, then the height of the supporting roller 411 is adjusted according to the diameter of the oil injector blank, the oil injector blank is placed on the tops of the two supporting plates 410 after being adjusted, then the two first motors 301 are started, the two first motors 301 drive the two lead screws 302 to rotate so that the two supporting blocks 303 are close to each other, the two supporting blocks 303 drive the two transmission rollers 309 to close to and clamp the oil injector blank, the second motor 320 is started, the transmission rollers 309 and the oil injector blank are driven to rotate by the second motor 320, and the oil injector blank is welded by a flame welding machine tool;

when the device needs to be changed from welding to polishing, referring to fig. 3, the handles 316 are pulled to erect the handles 316, the two handles 316 are pulled upwards to ascend the upright 305, the vertical plate 308 is rotated reversely to reset and then the handles 316 are released, the polishing abrasive belt 310 is pulled outwards to separate the polishing abrasive belt 310 from the two rollers 606, the push plate 608 is pushed, the auxiliary plate 602 is erected firstly, the support rod 605 is rotated reversely to reset and then the push plate 608 is released, the support plate 410 is pulled upwards and rotated reversely to reset, the square rod 405 is pulled upwards and rotated reversely to push the other side of the baffle 402 and then released, and the polishing abrasive belt 310 is sleeved between the two driving rollers 309 again.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.