CN210499734U

CN210499734U - Plunger bushing abrasive particle oil flow hole deburring device

Info

Publication number: CN210499734U
Application number: CN201921682564.2U
Authority: CN
Inventors: 宋军; 朱仁义; 邵明聪; 季元
Original assignee: Wuxi Weifu Mashan Fuel Injection Equipment Co ltd
Current assignee: Wuxi Weifu Mashan Fuel Injection Equipment Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-12
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a deburring device for a plunger sleeve abrasive flow hole, which comprises an upper hydraulic cylinder and a lower hydraulic cylinder, wherein the upper hydraulic cylinder and the lower hydraulic cylinder are respectively connected with an upper piston rod and a lower piston rod, the upper hydraulic cylinder is positioned at the lower side of the upper piston rod and is provided with an upper abrasive cavity, the lower hydraulic cylinder is positioned at the upper side of the lower piston rod and is provided with a lower abrasive cavity, the upper hydraulic cylinder is connected with a lifting driving part, a positioning fixture is arranged between the upper hydraulic cylinder and the lower hydraulic cylinder, a positioning hole is arranged in the positioning fixture, a plunger sleeve is positioned in the positioning fixture through the positioning hole, the positioning fixture is positioned at the outer side of the plunger sleeve and is provided with a fixture abrasive cavity, the upper abrasive cavity is positioned above the fixture abrasive cavity and is provided with an upper abrasive through hole, the lower abrasive cavity is positioned below the positioning hole and is provided with a lower abrasive through hole, the deburring device for the plunger sleeve abrasive flow hole adopts flexible, the deburring quality of the oil hole is improved, and the potential safety hazard during manual deburring is eliminated.

Description

Plunger bushing abrasive particle oil flow hole deburring device

Technical Field

The utility model relates to a burring equipment especially relates to a plunger bushing grit flow oil hole burring device.

Background

In the production process of the plunger matching parts, the deburring of parts is very critical and is a very painful process, particularly, the deburring of the oil removing hole of the plunger sleeve is realized, and the flanging burr is formed at the penetrating part after the metal processing because the oil hole and the middle hole are penetrated. Although a certain deburring treatment (scraping and reaming) is performed before the heat treatment, the burr cannot be completely removed, only a few large obvious burrs can be removed, the intersecting hole opening presents obvious saw-tooth-shaped burrs under a magnifying glass, and after the heat treatment, the tooth-shaped burrs are just like a sharp knife which is vertically arranged at the edge of the intersecting hole, so that the problem of headache of most plunger manufacturers is solved by removing the sharp knife. Because the edge lines of the openings of the intersecting holes are not on the same plane, the edges are difficult to completely remove by rotating and scraping with a common rigid cutter, most plunger manufacturers at present adopt a flexible deburring cutter, but because of the special design requirements of the oil holes of the plunger sleeves, the edges of the openings of the oil holes of the plunger sleeves must be sharp and have no burrs (R0.03-R0.05), so the flexible deburring cutter has very high quality requirements, not only has certain deburring effect, but also can not form obvious chamfers, the cutting force of the cutter is moderate and can not be over sharp, most plunger processing manufacturers at present adopt an elastic diamond cutter, the main principle is that diamond powder particles are electroplated on an elastic mandrel with a groove in the middle, the cutting force of the diamond powder is utilized to be matched with the moderate elastic force of the elastic mandrel of a matrix, the cutting force of the elastic burr cutter is installed on a drill chuck of a drilling machine, the head of the elastic deburring cutter rotates at low speed, enters an oil, the edge of the hole is ground by the diamond powder at the head part of the cutter, so that burrs at the edge of the oil hole are removed, and a sharp edge (about R0.03) of the hole opening is ensured. The processing technology has high requirements on the electroplating quality of the diamond cutter, overlong electroplating time, ultra-poor dimension, over-short electroplating time and low cutter durability. At present, the service life of the cutter is generally between 100 and 200 pieces, the cutter cost is high (0.1 element/piece), and because the processing mode is manual operation, the aperture of an oil inlet and return hole is affected by external cooperation processing quality and heat treatment shrinkage hole in different sizes, the cutter clamping phenomenon is easily caused, and certain potential safety hazard exists during processing.

SUMMERY OF THE UTILITY MODEL

The applicant carries out research and improvement aiming at the defects and provides a deburring device for a plunger sleeve abrasive flow oil hole.

The utility model discloses the technical scheme who adopts as follows:

the utility model provides a plunger bushing grit flow oil hole burring device, includes last pneumatic cylinder and lower pneumatic cylinder, go up piston rod and lower piston rod in going up pneumatic cylinder and the lower pneumatic cylinder respectively, it is located the piston rod downside and sets up the abrasive material chamber to go up the pneumatic cylinder, the pneumatic cylinder is located lower piston rod upside and sets up down the abrasive material chamber down, it connects lift drive part to go up the pneumatic cylinder, go up and set up positioning fixture between pneumatic cylinder and the lower pneumatic cylinder, set for the locating hole in the positioning fixture, the plunger bushing passes through the locating hole location in positioning fixture, and positioning fixture is located the plunger bushing outside and sets up anchor clamps abrasive material chamber, it sets up the abrasive material through-hole to go up the abrasive material chamber and is located anchor clamps abrasive material chamber top, the abrasive material chamber is located the locating hole below and sets up the abrasive material through-hole down.

As a further improvement of the above technical solution:

the upper piston rod is connected with a lifting driving component through a connecting plate.

The lifting driving part is a driving oil cylinder.

The positioning fixture comprises a fixture body and a positioning seat, the positioning hole is formed in the positioning seat, an inner conical surface is arranged in the fixture body, an outer conical surface is arranged on the outer side of the positioning seat in a matched mode, and the inner conical surface and the outer conical surface are connected with the fixture body and the positioning seat in a matched mode.

And the inner side and the outer side of the positioning seat are respectively provided with a first sealing ring and a second sealing ring.

The utility model has the advantages as follows: plunger bushing abrasive flow oilhole burring device adopts the flexible burring of abrasive flow to replace manual cutter to deoil hole burr, processes complicated die cavity, crossing hole edge burr and has more the advantage, and the stable controllable of precision, processingquality is stable, and can reduce plunger bushing oilhole burring process cost, improves oilhole burring quality, the potential safety hazard when eliminating manual burring.

Drawings

Fig. 1 is the utility model provides a plunger bushing abrasive particle flow oilhole burring device's schematic structure.

In the figure: 1. an upper hydraulic cylinder; 11. an upper piston rod; 12. an upper abrasive chamber; 13. an upper abrasive through hole; 14. a connecting plate; 2. a lower hydraulic cylinder; 21. a lower piston rod; 22. a lower abrasive chamber; 23. a lower abrasive through hole; 3. positioning a clamp; 31. positioning holes; 32. a fixture abrasive cavity; 33. a clamp body; 34. positioning seats; 341. a first seal ring; 342. a second seal ring; 4. and a plunger sleeve.

Detailed Description

The following describes a specific embodiment of the present embodiment with reference to the drawings.

As shown in fig. 1, the deburring device for the abrasive particles and oil flow holes of the plunger sleeve of the embodiment includes an upper hydraulic cylinder 1 and a lower hydraulic cylinder 2, an upper piston rod 11 is connected with a lifting driving part (not shown) through a connecting plate 14, the lifting driving part is a driving oil cylinder, the upper hydraulic cylinder 1 and the lower hydraulic cylinder 2 are respectively connected with the upper piston rod 11 and a lower piston rod 21, the upper hydraulic cylinder 1 is located at the lower side of the upper piston rod 11 and is provided with an upper abrasive cavity 12, the lower hydraulic cylinder 2 is located at the upper side of the lower piston rod 21 and is provided with a lower abrasive cavity 22, a positioning fixture 3 is arranged between the upper hydraulic cylinder 1 and the lower hydraulic cylinder 2, the positioning fixture 3 includes a fixture body 33 and a positioning seat 34, an inner conical surface is arranged in the fixture body 33, an outer conical surface is arranged at the outer side of the positioning seat 34, the inner conical surface and the outer conical surface are matched and connected with the fixture, the first sealing ring 341 realizes sealing between the clamp body 33 and the positioning seat 34, the positioning seat 34 is located in the positioning hole 31 and is provided with a second sealing ring 342, the plunger sleeve 4 is located in the positioning seat 34 through the positioning hole 31 and realizes sealing between the positioning seat 34 and the plunger sleeve 4 through the second sealing ring 342, the positioning clamp 3 is located on the outer side of the plunger sleeve 4 and is provided with a clamp abrasive cavity 32, the upper abrasive cavity 12 is located above the clamp abrasive cavity 32 and is provided with an upper abrasive through hole 13, and the lower abrasive cavity 22 is located below the positioning hole 31 and is provided with a lower abrasive through hole 23.

When the deburring device for the abrasive particles flowing through the oil hole of the plunger sleeve in the embodiment is used, a proper positioning seat 34 is selected according to the diameter of the plunger sleeve 4, the positioning seat 34 is connected into a clamp body 33 connected on the lower hydraulic cylinder 2, then the plunger sleeve 4 penetrates through a positioning hole 31 of the positioning seat 34 to position the plunger sleeve 4, after the plunger sleeve 4 is positioned well, the lifting driving part drives the upper hydraulic cylinder 1 to press downwards, the upper hydraulic cylinder 1 is pressed onto the clamp body 33 and the plunger sleeve 4 to complete the positioning and installation of the plunger sleeve 4, then the upper piston rod 11 and the lower piston rod 21 alternately move up and down to enable abrasive materials to enter the abrasive material cavity 32 of the clamp through an upper abrasive material through hole 13 from the upper abrasive material cavity 12, enter the plunger sleeve 4 through the oil hole, finally enter the lower abrasive material cavity 22 through a lower abrasive material through hole 23, then the abrasive materials reversely move, and return to the upper abrasive material cavity 12 through the plunger sleeve 4, the oil hole and the clamp 32 in turn from the, the grinding material reciprocates between the upper grinding material cavity 12 and the lower grinding material cavity 22, and the oil hole deburring operation of the plunger sleeve 4 is realized.

The plunger sleeve 4 with different diameters is processed only by correspondingly replacing the positioning seat 34 without replacing the fixture body 33.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims

1. The utility model provides a plunger bushing grit flow oil hole burring device which characterized in that: the grinding device comprises an upper hydraulic cylinder (1) and a lower hydraulic cylinder (2), wherein an upper piston rod (11) and a lower piston rod (21) are respectively connected in the upper hydraulic cylinder (1) and the lower hydraulic cylinder (2), an upper grinding material cavity (12) is arranged on the lower side of the upper piston rod (11) of the upper hydraulic cylinder (1), a lower grinding material cavity (22) is arranged on the upper side of the lower piston rod (21) of the lower hydraulic cylinder (2), the upper hydraulic cylinder (1) is connected with a lifting driving component, a positioning clamp (3) is arranged between the upper hydraulic cylinder (1) and the lower hydraulic cylinder (2), a positioning hole (31) is formed in the positioning clamp (3), a plunger sleeve (4) is positioned in the positioning clamp (3) through the positioning hole (31), a clamp grinding material cavity (32) is arranged on the outer side of the plunger sleeve (4), an upper grinding material cavity (12) is positioned above the clamp grinding material cavity (32) and is provided with an upper grinding material through hole (13), the lower grinding cavity (22) is positioned below the positioning hole (31) and is provided with a lower grinding through hole (23).

2. The device for deburring the abrasive particles flowing oil hole of the plunger bushing according to claim 1, characterized in that: the upper piston rod (11) is connected with a lifting driving component through a connecting plate (14).

3. The device for deburring the abrasive particles flowing oil hole of the plunger bushing according to claim 1 or 2, is characterized in that: the lifting driving part is a driving oil cylinder.

4. The device for deburring the abrasive particles flowing oil hole of the plunger bushing according to claim 1, characterized in that: the positioning fixture (3) comprises a fixture body (33) and a positioning seat (34), the positioning hole (31) is formed in the positioning seat (34), an inner conical surface is arranged in the fixture body (33), the outer side of the positioning seat (34) is matched with the inner conical surface, and the inner conical surface and the outer conical surface are matched and connected with the fixture body (33) and the positioning seat (34).

5. The device for deburring the abrasive particles flowing oil hole of the plunger sleeve according to claim 4, characterized in that: the inner side and the outer side of the positioning seat (34) are respectively provided with a first sealing ring (341) and a second sealing ring (342).