CN210632988U

CN210632988U - Downthehole bits mould that removes of plunger bushing oilhole drilling back

Info

Publication number: CN210632988U
Application number: CN201921620636.0U
Authority: CN
Inventors: 翁付珍
Original assignee: Jiaxing Pacific Jiangmao Electronic Co Ltd
Current assignee: Jiaxing Pacific Jiangmao Electronic Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-29
Anticipated expiration: 2029-09-27

Abstract

The utility model provides a downthehole bits positioning die that removes in plunger bushing oilhole drilling back, including L shape grillage, be provided with locating component in the vertical face of L shape grillage, locating component includes middle location axle and two outside location axles that are the ninety degrees settings in the middle of being located the axle outside and being, middle location axle and two the outside location axle is fixed demountable installation in L shape grillage all, the inside cavity of outside location axle, and its internally mounted has the spring, the one end fixed connection of spring is in the outside location axle, the conflict of the other end department of spring has the iron shot, the iron shot inlays in outside location spindle nose end, and the iron shot part exposes in the outside location spindle nose end outside. The utility model discloses it is rational in infrastructure, can adjust according to the difference of the size of plunger bushing, enlarge its suitability.

Description

Downthehole bits mould that removes of plunger bushing oilhole drilling back

Technical Field

The utility model relates to a plunger bushing processing technology field specifically is an downthehole bits positioning die that removes in plunger bushing oilhole drilling back.

Background

The plunger sleeve is a part sleeved outside a plunger in an engine fuel injection pump, forms a fuel injection pump plunger matching part with a matched plunger, and is one of large and precise matching parts of a diesel engine fuel system 3.

The production process of the plunger bushing relates to one of the procedures of drilling an oil hole, and the main operation is to position the plunger bushing on a specific tool and then to enable a drill point which meets the aperture size to drill downwards into the designated position of the plunger bushing to form the oil hole; however, the chips drilled by the drill point will remain on the inner wall of the oil hole, which affects the smoothness and the aperture of the inner wall of the oil hole, and therefore, the chips of the oil hole need to be removed.

The plunger sleeve is required to be positioned in the scrap removing operation, a scrap removing needle is conveniently inserted into the oil hole, the traditional positioning die is relatively single and cannot be adapted to plunger sleeves of different models, so that the whole positioning die is required to be replaced in order to adapt to different plunger sleeves, the labor intensity of workers is increased, and the production efficiency is reduced.

In view of the above problems, a new solution is yet to be proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an downthehole bits positioning die that removes of plunger bushing oilhole drilling back to solve the above-mentioned problem that proposes, can adjust according to the difference of the size of plunger bushing, removed the trouble of changing whole mould from.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an downthehole bits positioning die that removes in plunger bushing oilhole drilling back, includes L shape grillage, be provided with locating component in the vertical face of L shape grillage, locating component includes middle location axle and two outside location axles that are located the middle location off-axial side and be ninety degrees settings, middle location axle and two the outside location axle is fixed demountable installation in L shape grillage all, the inside cavity of outside location axle, and its internally mounted has the spring, the one end fixed connection of spring is in the outside location axle, the conflict of the other end department of spring has the iron shot, the iron shot inlays in outside location spindle nose end, and the iron shot part exposes in outside location spindle nose end outside.

By adopting the technical scheme, the plunger sleeve is sleeved on the middle positioning shaft, the sleeved plane of the plunger sleeve is abutted against the base of the middle positioning shaft, the holes of the ear parts at two sides of the plunger sleeve are just positioned on one of the external positioning shafts, the iron beads are positioned in the holes, the surfaces of the ear parts facing the external positioning shafts are abutted against the end surface of the head end of the external positioning shaft, at the moment, the oil hole of the plunger sleeve is just opposite to the chip removing needle positioned right above the oil hole, the chip removing needle is pressed downwards to enter the oil hole, and the residual materials positioned on the inner wall of the oil hole are abutted against the oil hole due to the matching of the diameter of the chip removing needle and the diameter of the oil hole, so that; the important is that the positioning assembly can realize the position adjustment on the L-shaped plate frame and the replacement of the middle positioning shaft and the external positioning shaft to adapt to the size of the plunger sleeve, so that the trouble of disassembling the L-shaped plate frame is eliminated, and the purpose of adapting to the size of the plunger sleeve can be realized only by rotating the threads of local parts and disassembling the assembly.

Preferably, the L-shaped frame is provided with a u-shaped groove at the external positioning shaft, two sides of the u-shaped groove are provided with moving grooves, sliding components are slidably arranged in the moving grooves, and the external positioning shaft is connected to the sliding components.

Adopt above-mentioned technical scheme, set up the U-shaped groove and can conveniently slide the subassembly and slide, carry out the regulation of position to it, remove the groove and play both sides and block the effect of the subassembly that slides, prevent that its both sides from removing, improve its stability of sliding, outside location hub connection in the subassembly that slides realizes its demountable installation, is convenient for change not unidimensional outside location axle.

Preferably, the sliding assembly comprises a positioning plate, a threaded rod and a fixing plate, wherein an inner hole is formed in one side, away from the middle positioning shaft, of the positioning plate, a bearing is fixedly connected in the inner hole, an inner ring of the bearing is fixedly connected to the threaded rod, the fixing plate is arranged at the upper end of the U-shaped groove in a covering mode, the fixing plate is flush with the surface of the U-shaped groove, a threaded hole is formed in the position, opposite to the bearing, of the fixing plate, one end, away from the bearing, of the threaded rod is in threaded connection with the threaded hole in a penetrating mode.

Adopt above-mentioned technical scheme, through rotatory handle, make the threaded rod can rotate, the effect of bearing makes the threaded rod rotate and the locating plate keeps not changeing, and the threaded rod rotates and can make the locating plate reciprocate in the U-shaped inslot in the screwed hole to the threaded rod stops rotatoryly, and the locating plate just can fix a position, plays the position of adjusting outside location axle, with the distance of adaptation plunger bushing side ear hole apart from plunger bushing middle part hole.

Preferably, one end, close to the L-shaped plate frame, of the middle positioning shaft is provided with a limiting table, and one end, far away from the L-shaped plate frame, of the middle positioning shaft is provided with a guiding circular truncated cone.

By adopting the technical scheme, the arrangement of the limiting table is convenient for the plunger sleeve to be sleeved on the middle positioning shaft, so that the sleeved surface of the plunger sleeve is abutted against the limiting table, at the moment, the hole surfaces of the lugs on two sides of the plunger sleeve are just abutted against the head end of the external positioning shaft, the exposed part of the iron bead is just positioned in the hole, the positioning effect is realized, and the guide effect is realized on the inclined surface of the guide round table.

Preferably, one end of the middle positioning shaft, which is close to the limiting table, and one end of the outer positioning shaft, which is close to the positioning plate, are respectively provided with a first threaded part and a second threaded part, and the first threaded part is in threaded connection with the L-shaped plate frame; the second thread part is in threaded connection with the positioning plate.

By adopting the technical scheme, the middle positioning shaft and the outer positioning shaft which are in different sizes are convenient to replace in a threaded connection mode, so that the positioning of the plunger sleeves in different models is met, the application range of the device is expanded, and the device can adapt to plunger sleeves in more models.

Preferably, the middle part of one side of the horizontal plane of the L-shaped plate frame is inwards provided with a pressing seat.

By adopting the technical scheme, the depression of the pressing seat is convenient for pressing other components, the L-shaped plate frame is easy to fix, and meanwhile, when the L-shaped plate frame needs to move, the components for pressing can also slide along the compression, so that the pressing seat is suitable for position movement.

Drawings

FIG. 1 is a schematic diagram of a plunger sleeve mounted in an embodiment;

FIG. 2 is a schematic diagram of the embodiment without the plunger sleeve installed;

FIG. 3 is a front view of the embodiment;

fig. 4 is a cross-sectional view of the embodiment.

Reference numerals: 1. an L-shaped plate frame; 2. a positioning assembly; 21. a middle positioning shaft; 22. an external positioning shaft; 3. a spring; 4. iron beads; 5. a U-shaped groove; 51. a moving groove; 6. a slipping component; 61. positioning a plate; 62. a threaded rod; 63. a fixing plate; 64. a handle; 7. a limiting table; 8. a guide circular table; 9. pressing a base; 10. a bearing; 11. a plunger sleeve; 12. a first threaded part; 13. and a second threaded part.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in figures 1 and 2, the downthehole bits location mould that removes of plunger bushing 11 oilhole drilling back, including L shape grillage 1, be provided with locating component 2 in the vertical face of L shape grillage 1, locating component 2 includes middle location axle 21 and two outside location axles 22 that are located the middle location axle 21 outside and be ninety degrees settings, and middle location axle 21 and two outside location axles 22 are fixed demountable installation in L shape grillage 1 all.

Specifically, as shown in fig. 4, one end of the middle positioning shaft 21 close to the limiting table 7 is provided with a first threaded portion 12, the first threaded portion 12 is in threaded connection with the L-shaped plate frame 1, one end of the middle positioning shaft 21 close to the L-shaped plate frame 1 is provided with the limiting table 7 (see fig. 2), the limiting table 7 is arranged so that after the plunger sleeve 11 is sleeved into the middle positioning shaft 21, the sleeved surface of the plunger sleeve 11 and the limiting table 7 abut against each other, at this time, the hole surfaces of lugs on two sides of the plunger sleeve 11 abut against the head end of the external positioning shaft 22, and the exposed part of the iron bead 4 is positioned in the hole to play a role in positioning; one end of the middle positioning shaft 21, which is far away from the L-shaped plate frame 1, is provided with a guide circular truncated cone 8, and the inclined surface of the guide circular truncated cone 8 plays a role in guiding, so that the middle positioning shaft 21 can be sleeved with the plunger sleeve 11 conveniently.

As shown in fig. 1 and 3, the u-shaped groove 5 is disposed at the external positioning shaft 22 of the L-shaped plate frame 1, two sides of the u-shaped groove 5 are provided with moving grooves 51, sliding assemblies 6 are slidably disposed in the moving grooves 51, the external positioning shaft 22 is connected to the sliding assemblies 6, the sliding assemblies 6 include positioning plates 61, threaded rods 62 and fixing plates 63, one sides of the positioning plates 61 away from the middle positioning shaft 21 are provided with built-in holes, bearings 10 are fixedly connected in the built-in holes, inner rings of the bearings 10 are fixedly connected to the threaded rods 62, the fixing plates 63 are disposed at the upper ends of the u-shaped grooves 5, and the fixing plates 63 are flush with the surfaces of the u-shaped grooves 5, the fixing plates 63 are disposed opposite to the bearings 10 and provided with threaded holes, one ends of the threaded rods 62 away from the.

Through the twist grip 64, make threaded rod 62 can rotate, bearing 10's effect just makes threaded rod 62 rotate and locating plate 61 keeps not changeing, and threaded rod 62 rotates in the screwed hole can make locating plate 61 can reciprocate in U-shaped groove 5 to threaded rod 62 stops rotatoryly, and locating plate 61 just can the fixed position, plays the position of adjusting outside location axle 22, in order to adapt to plunger bushing 11 side ear hole distance plunger bushing 11 middle part hole's distance.

As shown in fig. 4, one end of the outer positioning shaft 22 close to the positioning plate 61 is provided with a second threaded portion 13, and the second threaded portion 13 is in threaded connection with the positioning plate 61; the inside cavity of outside location axle 22, and its internally mounted has spring 3, and spring 3's one end fixed connection has iron ball 4 in outside location axle 22, and the conflict of spring 3's other end department has iron ball 4, and iron ball 4 inlays in outside location axle 22 head end, and iron ball 4 part exposes outside location axle 22 head end.

In addition, as shown in fig. 1, a pressing seat 9 is provided on one side of the horizontal plane of the L-shaped plate frame 1, and the depression of the pressing seat 9 facilitates pressing of other components.

The specific working principle is as follows: this positioning die fixed mounting is in the workstation, 11 sizes of plunger bushing that remove the bits as required process the middle location axle 21 screw that accords with the size and be fixed in L-shaped plate frame 1, the outside location axle 22 that accords with the size requirement equally also screw in locating plate 61, adjust the position of locating plate 61 according to the distance of 11 ear holes of plunger bushing and middle hole, through twist grip 64 promptly, make threaded rod 62 can rotate, because the one end that threaded rod 62 is connected with locating plate 61 is passed through bearing 10 and is connected, so threaded rod 62 rotates and does not drive locating plate 61 and rotate, under the rotation of threaded rod 62, threaded rod 62 self can move down, make locating plate 61 remove in U shape groove 5, after confirming the good position, it can not rotate to keep threaded rod 62.

After the plunger sleeve 11 is installed on the positioning die, a chip removing needle for inserting the oil hole is arranged right above the position of the oil hole, the alignment of the plunger sleeve and the oil hole is ensured by moving the position of the L-shaped plate frame 1, and when the pressing seat 9 is in a long strip shape and is helpful for the sliding of the L-shaped plate frame 1, parts pressed on the pressing seat 9 can be pressed at different places.

After alignment, the chip removing needle is inserted into the oil hole downwards in a rotating manner to remove chips of the oil hole of the plunger sleeve 11, and as the distribution of most oil holes on the plunger sleeve 11 is ninety degrees or 180 degrees, after the chips of one oil hole are removed, the plunger sleeve 11 can be rotated to realize the purpose of replacing the next oil hole, in the hole replacing process, the plunger sleeve 11 is not pulled out a little outwards slightly and then is rotated to replace the position, but is rotated directly, so that the manual step of pulling out the iron ball 4 outwards is omitted, and the spherical surface of the iron ball 4 and the spherical surface of the spring 3 are not directly blocked by the plunger sleeve 11 in the rotating process due to the action of the iron ball 4 and the spring 3, and the spherical surface of the iron ball 4 is extruded in the rotating process, the iron ball 4 is retracted inwards by the spring 3 due to the stretching of the iron ball 4, the smooth rotation of the plunger sleeve 11 is ensured, when the rotation is in place, the spherical surface is not extruded, and the spring 3 is deformed to enable the spherical surface of, the plunger sleeve 11 is blocked, thereby playing a role in positioning.

Claims

1. A positioning die for removing scraps in a hole after drilling of an oil hole of a plunger bushing is characterized by comprising an L-shaped plate frame (1), a positioning component (2) is arranged in the vertical surface of the L-shaped plate frame (1), the positioning component (2) comprises a middle positioning shaft (21) and two external positioning shafts (22) which are positioned outside the middle positioning shaft (21) and arranged at ninety degrees, the middle positioning shaft (21) and the two external positioning shafts (22) are fixedly and detachably arranged on the L-shaped plate frame (1), the internal parts of the external positioning shafts (22) are hollow, and a spring (3) is arranged in the inner part of the positioning shaft, one end of the spring (3) is fixedly connected in an external positioning shaft (22), the other end of the spring (3) is butted with an iron bead (4), the iron bead (4) is embedded at the head end of the external positioning shaft (22), and the iron bead (4) is partially exposed out of the head end of the external positioning shaft (22).

2. The die for removing scraps in the drilled hole of the plunger sleeve oil hole according to claim 1, wherein the L-shaped plate frame (1) is provided with a U-shaped groove (5) at the position of the external positioning shaft (22), two sides of the U-shaped groove (5) are provided with moving grooves (51), a sliding assembly (6) is slidably arranged in the moving grooves (51), and the external positioning shaft (22) is connected to the sliding assembly (6).

3. The die for removing the scraps in the drilled oil hole of the plunger sleeve according to claim 2, wherein the sliding assembly (6) comprises a positioning plate (61), a threaded rod (62) and a fixing plate (63), a built-in hole is formed in one side of the positioning plate (61) away from the middle positioning shaft (21), a bearing (10) is fixedly connected in the built-in hole, an inner ring of the bearing (10) is fixedly connected to the threaded rod (62), the fixing plate (63) is arranged at the upper end of the U-shaped groove (5) in a covering manner, the fixing plate (63) is flush with the surface of the U-shaped groove (5), a threaded hole is formed in the fixing plate (63) opposite to the bearing (10), one end of the threaded rod (62) away from the bearing (10) is in threaded connection with the threaded hole, and one end of the threaded rod (64) penetrating through the threaded.

4. The die for removing chips in the oil hole of the plunger bushing according to claim 3, wherein a limiting table (7) is arranged at one end, close to the L-shaped plate frame (1), of the middle positioning shaft (21), and a guide circular truncated cone (8) is arranged at one end, far away from the L-shaped plate frame (1), of the middle positioning shaft (21).

5. The die for removing scraps in the plunger sleeve oil hole drilling rear hole according to claim 4, wherein one end, close to the limiting table (7), of the middle positioning shaft (21) and one end, close to the positioning plate (61), of the outer positioning shaft (22) are respectively provided with a first threaded part (12) and a second threaded part (13), and the first threaded part (12) is in threaded connection with the L-shaped plate frame (1); the second threaded part (13) is in threaded connection with the positioning plate (61).

6. The die for removing scraps in the oil hole of the plunger bushing according to claim 5, wherein a pressing seat (9) is inwards arranged in the middle of one side of the horizontal plane of the L-shaped plate frame (1).