CN210909045U

CN210909045U - Processing location frock of combustor fuel sprayer

Info

Publication number: CN210909045U
Application number: CN201921691730.5U
Authority: CN
Inventors: 倪霍彩; 卞磊; 王传江; 管世龙
Original assignee: Xuancheng Henghao Automobile Parts Co ltd
Current assignee: Xuancheng Henghao Automobile Parts Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-07-03
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a processing location frock of combustor fuel sprayer, comprises a workbench, the mounting groove has been seted up to the up end of workstation, the frock seat has been placed in the mounting groove, the through-hole of placing the work piece is seted up to the inside intermediate position department of frock seat, the both sides face of frock seat leans on the position to install anchor clamps and No. two anchor clamps respectively, anchor clamps and No. two anchor clamps all include support, slider, connecting rod, pendulum rod, chuck and ejector pin structure. In the processing and positioning tool for the fuel spray nozzle of the combustor, the clamp II and the clamp II respectively form a clamping effect on two positions on a workpiece through a connecting rod structure, are matched together and firmly fix the workpiece to prevent looseness, and simultaneously have a plurality of groups of bulges to enhance the friction force between the bulges and the surface of the workpiece; the ejector pin utilizes the arc face to form the extrusion to the up end face of work piece, and cooperation anchor clamps further improve fixed effect, are suitable for different operating conditions, bring better use prospect.

Description

Processing location frock of combustor fuel sprayer

Technical Field

The utility model relates to an oil burner processing field, in particular to processing location frock of combustor fuel sprayer.

Background

When an electromagnetic coil is electrified, suction force is generated, a needle valve is sucked up, a spray hole is opened, and fuel oil is sprayed out at a high speed through an annular gap between a pintle of a needle valve head and the spray hole to form a fog shape, so that the full combustion is facilitated; carry out the process such as trompil, burring to the fuel sprayer component and all need use the location frock, the frock of current design has that the centre gripping effect is not good, adds man-hour not hard up, leads to the phenomenon that the hole site makes mistakes, and the too big also easily of centre gripping dynamics simultaneously causes wearing and tearing to the fuel sprayer component surface, has brought certain adverse effect in the use, for this reason, we provide a processing location frock of combustor fuel sprayer.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a processing location frock of combustor fuel sprayer can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a machining and positioning tool for an oil nozzle of a combustor comprises a workbench, wherein the upper end face of the workbench is provided with a mounting groove, a tool seat is placed in the mounting groove, a through hole for placing a workpiece is formed in the middle position inside the tool seat, a first clamp and a second clamp are respectively installed on the two side faces of the tool seat close to the upper position, the first clamp and the second clamp respectively comprise a support, a sliding block, a connecting rod, a swing rod, a chuck and an ejector rod structure, the support is riveted on the side face of the tool seat, the upper end portion of the support is provided with sliding grooves for the sliding block to slide up and down, the connecting rod is symmetrically hinged to the lower end portion of the sliding block in two groups, one end portion, away from the sliding block, of the connecting rod is hinged to the swing rod, the swing rod is connected with the support through a fixed shaft, the chuck is arranged at, a clamping opening acting on a workpiece is formed between the two groups of clamping heads, and the ejector rod structure is fixedly arranged at the middle position of the lower end of the bracket;

the ejector pin structure includes sleeve, slippery fellow and ejector pin, the lower tip welding of telescopic upper end and support, the upper end of slippery fellow welding in the ejector pin and the upper end of slippery fellow stretch into inside the sleeve, the bilateral symmetry welding of slippery fellow has the loose pin, two sets of pin grooves that supply the loose pin to reciprocate are seted up to telescopic side symmetry, the sleeve outside has been cup jointed the spring and the bottom and the loose pin of spring are fixed, the upper end of spring is located the sleeve outside and is connected with the spring housing, sleeve outside a week threaded connection has the adjusting nut who acts on the spring housing, the lower terminal surface of ejector pin sets up to the arc surface with workpiece surface looks adaptation.

Preferably, the four corners of the lower end of the workbench are welded with the supporting legs, the tool seat is vertically installed, and the diameter of the through hole is larger than the maximum diameter of the workpiece.

Preferably, the fixed shaft is welded with the bracket, the swing rod rotates around the fixed shaft, and the chuck is close to an L shape.

Preferably, the upper end surface of the bracket is provided with a thread groove at a position close to the slide groove, a positioning bolt is screwed into the thread groove, and the head of the positioning bolt is in contact with the slide block and has a squeezing effect.

Preferably, the outer surface of the sleeve is provided with an external thread matched with the adjusting nut, the sliding head can move up and down in the sleeve, and the movable pin penetrates through the pin slot and extends outwards.

Compared with the prior art, the utility model discloses following beneficial effect has: according to the processing and positioning tool for the fuel spray nozzle of the combustor, the first clamp and the second clamp respectively form clamping effects on two positions on a workpiece through a connecting rod structure, the first clamp and the second clamp are matched together and firmly fix the workpiece, looseness is prevented, meanwhile, a plurality of groups of protrusions enhance the friction force between the protrusions and the surface of the workpiece, and the fixing effect is improved; the ejector rod utilizes the arc surface to form an extrusion effect on the upper end surface of the workpiece, the fixing effect is further improved by matching with the up-down effect of the clamp, and then the adjusting nut appropriately controls the extrusion force of the ejector rod on the workpiece to find the most appropriate effect; the positioning bolt rotates downwards, the head part is utilized to extrude the upper end face of the sliding block, the limiting and fixing effects are achieved, and the clamping effect of the clamp is guaranteed; whole location frock design is simple, convenient operation, and the area of centre gripping is less, and workpiece surface wears less, more makes things convenient for processes such as subsequent trompil of fuel sprayer, burring, and the effect of use is better for traditional mode, and the part that does not involve in this device all is the same with prior art or can adopt prior art to realize.

Drawings

Fig. 1 is a schematic view of the overall structure of the processing and positioning tool for the fuel injection nozzle of the burner of the present invention;

fig. 2 is a specific structural diagram of a first fixture and a second fixture of the processing and positioning tool for the fuel spray nozzle of the burner of the present invention;

fig. 3 is an enlarged view of the processing positioning tool ejector rod structure of the burner oil nozzle.

In the figure: 1. a work table; 2. mounting grooves; 3. a tool seat; 4. a through hole; 5. a workpiece; 6. a first clamp; 7. a second clamp; 8. a support; 9. a chute; 10. a slider; 11. a connecting rod; 12. a swing rod; 13. a fixed shaft; 14. a chuck; 15. a protrusion; 16. clamping the opening; 17. a push rod structure; 171. a sleeve; 172. sliding the head; 173. a top rod; 174. a movable pin; 175. a pin slot; 176. a spring; 177. a spring housing; 178. adjusting the nut; 179. a circular arc surface; 18. and (6) positioning the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-3, a machining and positioning tool for a fuel injector of a combustor comprises a workbench 1, wherein an installation groove 2 is formed in the upper end surface of the workbench 1, a tool holder 3 is placed in the installation groove 2, a through hole 4 for placing a workpiece 5 is formed in the middle position inside the tool holder 3, a first clamp 6 and a second clamp 7 are respectively installed at the upper positions of the two side surfaces of the tool holder 3, each of the first clamp 6 and the second clamp 7 comprises a bracket 8, a sliding block 10, a connecting rod 11, a swing rod 12, a chuck 14 and a push rod structure 17, the bracket 8 is riveted on the side surface of the tool holder 3, a sliding groove 9 for the sliding block 10 to slide up and down is formed in the upper end portion of the bracket 8, the connecting rods 11 are symmetrically hinged at the lower end portion of the sliding block 10, one end portion of the connecting rod 11, far away from the sliding block 10, is hinged with the swing rod 12, the swing, a plurality of groups of bulges 15 are distributed on the inner side surface of the clamping heads 14, a clamping opening 16 acting on the workpiece 5 is formed between the two groups of clamping heads 14, and a mandril structure 17 is fixedly arranged at the middle position of the lower end of the bracket 8;

the ejector rod structure 17 comprises a sleeve 171, a sliding head 172 and an ejector rod 173, the upper end of the sleeve 171 is welded with the lower end of the support 8, the sliding head 172 is welded on the upper end of the ejector rod 173, the upper end of the sliding head 172 extends into the sleeve 171, movable pins 174 are symmetrically welded on two sides of the sliding head 172, two groups of pin grooves 175 for the movable pins 174 to move up and down are symmetrically formed in the side surface of the sleeve 171, a spring 176 is sleeved on the outer side of the sleeve 171, the bottom of the spring 176 is fixed with the movable pins 174, a spring sleeve 177 is connected to the upper end of the spring 176 and located on the outer side of the sleeve 171, the spring sleeve 177 can compress or release the spring 176, an adjusting nut 178 acting on the spring sleeve 177 is in threaded connection around the outer side of the sleeve 171, and;

the four corners of the lower end of the workbench 1 are welded with supporting legs, the tool seat 3 is vertically installed, and the diameter of the through hole 4 is larger than the maximum diameter of the workpiece 5; the fixed shaft 13 is welded with the bracket 8, the swing rod 12 rotates around the fixed shaft 13, and the chuck 14 is close to an L shape; a threaded groove is formed in the upper end face of the support 8 close to the sliding groove 9, a positioning bolt 18 is screwed into the threaded groove, and the head of the positioning bolt 18 is in contact with the sliding block 10 and has a squeezing effect; the outer surface of the sleeve 171 is provided with an external thread adapted to the adjustment nut 178, and the slider 172 is movable up and down in the sleeve 171, and the movable pin 174 is protruded outward through the pin groove 175.

It should be noted that, the utility model relates to a processing location frock of combustor fuel sprayer, when using, the placing of work piece 5 in through-hole 4, then push down slider 10 on anchor clamps 6 and No. two anchor clamps 7 respectively, two sets of connecting rods 11 are outwards strutted, make two sets of pendulum rods 12 rotate around fixed axle 13 in opposite directions, the nip 16 reduces, form the clamping effect to work piece 5, then rotate positioning bolt 18 downwards, utilize the head to form the extrusion to slider 10 upper end face, reach spacing fixed effect, slider 10 drives ejector pin 173 to move downwards simultaneously, utilize arc surface 179 to form the extrusion to the upper end face of work piece 5, cooperate with anchor clamps to further improve fixed effect, through rotating adjusting nut 178, the length of compression spring 176, change the elastic action to movable pin 174 in pin groove 175, this elastic action is through the form expression of ejector pin 173 extrusion force, therefore, different extrusion acting forces on the upper end surface of the workpiece 5 can be obtained, and the adjustment nut 178 stops when being difficult to rotate, so that the device is practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a processing location frock of combustor fuel sprayer, includes workstation (1), its characterized in that: the upper end face of the workbench (1) is provided with a mounting groove (2), a tool seat (3) is placed in the mounting groove (2), a through hole (4) for placing a workpiece (5) is formed in the middle position inside the tool seat (3), a first clamp (6) and a second clamp (7) are respectively installed on the two side faces of the tool seat (3) close to the upper position, each of the first clamp (6) and the second clamp (7) comprises a support (8), a sliding block (10), a connecting rod (11), a swing rod (12), a chuck (14) and a push rod structure (17), the supports (8) are riveted on the side faces of the tool seat (3), the upper end portion of each support (8) is provided with a sliding groove (9) for the sliding block (10) to slide up and down, the connecting rods (11) are symmetrically hinged to the lower end portion of the sliding block (10) in two groups, one end portion, far away from the sliding block (10), of the connecting rod (11, the swing rod (12) is connected with the support (8) through a fixed shaft (13), the chucks (14) are arranged at one end, far away from the connecting rod (11), of the swing rod (12), a plurality of groups of protrusions (15) are distributed on the inner side face of each chuck (14), a clamping opening (16) acting on a workpiece (5) is formed between the two groups of chucks (14), and the ejector rod structure (17) is fixedly arranged at the middle position of the lower end of the support (8);

the ejector rod structure (17) comprises a sleeve (171), a sliding head (172) and an ejector rod (173), the upper end part of the sleeve (171) is welded with the lower end part of the bracket (8), the sliding head (172) is welded at the upper end of the mandril (173) and the upper end part of the sliding head (172) extends into the sleeve (171), the two sides of the sliding head (172) are symmetrically welded with movable pins (174), the side surface of the sleeve (171) is symmetrically provided with two groups of pin grooves (175) for the movable pins (174) to move up and down, a spring (176) is sleeved outside the sleeve (171), the bottom of the spring (176) is fixed with the movable pin (174), a spring sleeve (177) is connected to the upper end of the spring (176) and positioned outside the sleeve (171), an adjusting nut (178) acting on the spring sleeve (177) is connected with the outer side of the sleeve (171) in a threaded manner on the circumference, the lower end surface of the ejector rod (173) is provided with an arc surface (179) matched with the surface of the workpiece (5).

2. The processing positioning tool of the oil nozzle of the combustor of claim 1, characterized in that: the lower end four corners department welding of workstation (1) has the landing leg, frock seat (3) are installed perpendicularly, the diameter of through-hole (4) is greater than the maximum diameter of work piece (5).

3. The processing positioning tool of the oil nozzle of the combustor of claim 1, characterized in that: the fixed shaft (13) is welded with the bracket (8), the swing rod (12) rotates around the fixed shaft (13), and the chuck (14) is close to an L shape.

4. The processing positioning tool of the oil nozzle of the combustor of claim 1, characterized in that: the upper end face of the support (8) is provided with a threaded groove at a position close to the sliding groove (9), a positioning bolt (18) is screwed into the threaded groove, and the head of the positioning bolt (18) is in contact with the sliding block (10) and has a squeezing effect.

5. The processing positioning tool of the oil nozzle of the combustor of claim 1, characterized in that: the outer surface of the sleeve (171) is provided with an external thread matched with the adjusting nut (178), the sliding head (172) can move up and down in the sleeve (171), and the movable pin (174) penetrates through the pin groove (175) and extends outwards.