CN210359439U

CN210359439U - Hydraulic part locking mouth compound knife

Info

Publication number: CN210359439U
Application number: CN201921273205.1U
Authority: CN
Inventors: 张书林; 刘花平; 张涛; 张蕾; 张建平
Original assignee: Shijiazhuang Huide Mechanical Tool Factory
Current assignee: Shijiazhuang Huide Mechanical Tool Factory
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-21
Anticipated expiration: 2029-08-07

Abstract

The utility model provides a hydraulic part locking port compound knife, which belongs to the technical field of cutting tools and comprises a knife handle, a knife head, a chip removal structure and a positioning structure, wherein the knife head is provided with a first blade and a second blade, and the circumferential surfaces of the first blade and the second blade are provided with four cutting edges which equally divide the circumference; the connecting section of the cutter handle and the cutter head is provided with an end face cutter used for limiting the cutter head to move, a transition cutter is arranged between the end face cutter and the second blade, a chip removal structure discharges scraps in a drilled hole, and a positioning structure can position the pre-drilling position of the cutter head. The utility model provides a compound sword of hydraulic pressure spare locking port sets up two blades on the tool bit and can form step tool bit structure, can once only accomplish processing, easy and simple to handle, the time-saving to hydraulic pressure spare locking port, and the hole precision after the processing is high, stable in quality, the location is accurate.

Description

Hydraulic part locking mouth compound knife

Technical Field

The utility model belongs to the technical field of cutting tool, more specifically say, relate to a compound sword of hydraulic part locking mouth.

Background

In machining, a reamer is a common hole expanding or repairing tool, and is used for fine machining of holes. The locking port of hydraulic part is the structure that is used for centering the hydraulic part, connect, one is protruding tang, one is concave tang, both appear in pairs, the degree of depth and the precision of processing locking tang also have requirements, current reamer generally comprises cutter body and work portion, the semi-processing and the finish machining in mainly used hole, the cutting allowance is less, especially add man-hour to the locking port of hydraulic part, common solution is to increase the spacing ring on the cutter, or change other cutters and process, then carry out the finish reaming with the reamer, and the location of tool bit is inaccurate, the tool bit is at the easy off tracking of drilling in-process, very big reduction production efficiency, locking port processingquality is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound sword of hydraulic pressure spare locking mouth to solve that what exist among the prior art needs often to change cutter, reduce efficiency, tool bit location inaccurate to hydraulic pressure spare locking mouth processing, the poor technical problem of processingquality.

In order to achieve the above object, the utility model adopts the following technical scheme: providing a hydraulic component locking port compound knife comprising:

one end of the cutter handle is provided with a key groove for connecting cutting equipment;

the cutter head is fixedly arranged at one end of the cutter handle and is coaxial with the cutter handle, a first blade and a second blade with gradually-increased diameters are sequentially arranged on the cutter head from the end part to the inner side, and four cutting edges which are equally divided into circles are arranged on the circumferential surfaces of the first blade and the second blade; an end face cutter used for limiting the axial drilling depth of the cutter head is arranged on the connecting section of the cutter handle and the cutter head, a transition cutter is arranged between the end face cutter and the second blade, and two chamfering structures are arranged on the transition cutter; the cutting edge comprises a cutting tip and a plurality of cutting edges;

the chip removal structure is arranged on the tool bit and the tool handle, is parallel to the length direction of the tool bit and is used for discharging waste chips generated in the drilling process of the tool bit;

and the positioning structure is arranged on the front end surface of the cutter head and used for positioning the cutter head in drilling.

Further, the positioning structure includes:

one end of the spring piece is fixedly arranged at the center of the front end surface of the cutter head, and the other end of the spring piece is suspended;

and the positioning pin is arranged at the suspended end of the spring piece, moves by virtue of the elasticity of the spring piece and is used for positioning the drilling direction of the tool bit.

Furthermore, the chip removal structure is a chip removal groove, one end of the chip removal structure is arranged at the front end of the cutter head, and the other end of the chip removal structure is arranged on the cutter handle.

Furthermore, an included angle e between a horizontal line where the cutting tip of the cutting edge is located and a tangent line of the outer side cutting edge of the cutting edge is 5-7 degrees, and the thickness of the cutting edge is 3-4 mm.

Further, the handle of a knife includes linkage segment and chip removal end, the linkage segment is used for connecting cutting equipment, the chip removal section is used for discharging the sweeps.

Furthermore, a chamfer a with the size of 1.5 × 45 degrees is arranged on the front end face of the first blade, a chamfer b with the size of 1.2 × 30 degrees is arranged at the position where the first blade is connected with the second blade, a chamfer c with the size of 1.1 × 45 degrees is arranged at the position where the transition cutter is connected with the second blade, a chamfer d with the size of 2.4 × 15 degrees is arranged at the position where the transition cutter is connected with the end face cutter, and no edge is formed on the end face cutter.

Further, the first blade and the second blade are both made of hard alloy steel.

Further, the diameter of the first blade is 18-20mm, the diameter of the second blade is 20-21mm, the diameter of the transition knife is 24-26mm, and the diameter of the end face knife is 40-42 mm.

Further, the tool shank adopts a Morse No. 4 taper shank.

The utility model provides a hydraulic pressure spare locking mouth compound knife's beneficial effect lies in: compared with the prior art, the utility model discloses hydraulic part locking port compound sword for the hole structure that is used for locking locate function of processing hydraulic part (like the hydraulic pump, hydraulic motor, the pneumatic cylinder, the hydrovalve, the booster etc.), two blades (first blade and second blade) set up on the tool bit and can form the step structure, can once only accomplish the processing to hydraulic part locking port, and the location through location structure, the tool bit creeps into accurately, and is easy and simple to handle, save time, and the hole precision after the processing is high, the steady quality, fast, the problem of not good quality is solved and need often change the cutter to hydraulic part locking port processing, the reduction efficiency, the tool bit location is inaccurate, the technical problem of not good quality, it is good to hydraulic locking port processingquality to have, the tool bit location is accurate, high machining efficiency, the technological effect of cutter need not often to change.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a hydraulic part locking port compound knife provided by an embodiment of the present invention;

FIG. 2 is an enlarged view at C in FIG. 1;

fig. 3 is a cross-sectional view at a-A, B-B in fig. 1.

Wherein, in the figures, the respective reference numerals: 1. a knife handle; 11. a connecting section; 12. a chip removal section; 2. a cutter head; 21. a first blade; 22. a second blade; 23. an end face cutter; 24. a transition knife; 3. a cutting edge; 4. a chip removal structure; 5. a positioning structure; 51. a spring member; 52. and a positioning pin.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 3, a description will now be given of a composite cutter for a hydraulic part locking port according to an embodiment of the present invention. The hydraulic part locking port compound cutter comprises a cutter handle 1, a cutter head 2, a chip removal structure 4 and a positioning structure 5;

one end of the cutter handle 1 is provided with a key groove for connecting cutting equipment;

one end of a cutter head 2 is fixedly arranged at one end of the cutter handle 1 and is coaxial with the cutter handle 1, a first blade 21 and a second blade 22 with gradually-increased diameters are sequentially arranged on the cutter head 2 from the end part to the inner side, and four cutting edges 3 which are equally divided into circles are arranged on the circumferential surfaces of the first blade 21 and the second blade 22; an end face cutter 23 used for limiting the axial drilling depth of the cutter head 2 is arranged on the connecting section of the cutter handle 1 and the cutter head 2, a transition cutter 24 is arranged between the end face cutter 23 and the second blade 22, and two chamfer structures are arranged on the transition cutter 24; the cutting edge 3 comprises a cutting tip and a plurality of cutting edges; the cutting tip is the tip part directly contacted with the hole, and the rest parts are cutting edges. First blade 21 and second blade 22 on the tool bit 2 can be rotatory simultaneously, and the cutting drilling, terminal surface sword 23 have played spacing effect when drilling, and restriction tool bit 2 is at axial displacement after having bored the hole, receives the restriction to the depth of cut to the hole, makes the hole accord with the processing requirement, has improved processingquality. The cutting edges 3 are arranged in 4 on the circumferential surface of the

cutting head

2, and 1 cutting edge is arranged on average every 90 degrees, and the cutting edges 3 are arranged in a groove body on the circumferential surface of the cutting head 2 and fixedly connected.

The chip removal structure 4 is arranged on the tool bit 2 and the tool holder 1, is parallel to the length direction of the tool bit 2, and is used for discharging waste chips generated in the drilling process of the tool bit 2; in the drilling process, the sweeps generated in the holes can be discharged out of the holes through the scrap discharging structure 4, the sweeps cannot be retained in the holes, and the machining precision of the holes cannot be influenced.

The positioning structure 5 is arranged on the front end surface of the cutter head 2 and used for positioning the cutter head 2 in drilling. When processing a hole to be processed, the positioning structure 5 firstly contacts the hole to be processed, whether the position of the pre-drilling hole of the tool bit is in a preset range can be observed through the positioning structure 5, if the positions positioned by the positioning structure 5 are not right, the pre-drilling position of the tool bit 2 is not right, the drilling position of the tool bit 2 needs to be readjusted, the positioning structure 5 is used, the processing precision of the hole is improved, and the positioning is accurate and is not off tracking.

Compared with the prior art, the composite cutter for the locking and positioning of the hydraulic part, which is provided by the embodiment of the utility model, is used for processing the hole structure for the locking and positioning functions of the hydraulic part (such as a hydraulic pump, a hydraulic motor, a hydraulic cylinder, a hydraulic valve, a supercharger, etc.), two blades (a first blade 21 and a second blade 22) are arranged on the cutter head to form a step structure, the processing of the locking and positioning of the hydraulic part can be completed at one time, and through location of location structure 5, tool bit 2 drills accurately, easy and simple to handle, save time, and the hole precision after the processing is high, steady quality, fast, solved to hydraulic pressure spare locking port processing need often change the cutter, reduce efficiency, tool bit location are inaccurate, the not good technical problem of quality, it is good to hydraulic pressure locking port processingquality to have, tool bit 2 fixes a position accurately, machining efficiency is high, need not often change the technological effect of cutter.

As a specific implementation manner of the composite knife for the hydraulic part locking port provided in the embodiment of the present invention, please refer to fig. 1 to 3 together, the positioning structure 5 includes a spring member 51 and a positioning pin 52;

one end of the spring piece 51 is fixedly arranged at the center of the front end surface of the cutter head 2, and the other end is suspended; the spring member 51 has elasticity and can be compressed and expanded;

the positioning pin 52 is provided at a free end of the spring member 51, and is moved by means of the elastic force of the spring member 51 for positioning the drilling direction of the tool bit 2. The pilot pin 52 is umbelliform, one end links firmly with spring part 51, the pilot pin 52 can move about along with spring part 51's removal, the pilot pin 52 contacts the position of predrilled hole earlier, with the help of spring part 51's elasticity, the pilot pin 52 can contradict or the butt with the position of predrilled hole, the position that the tool bit predrilled hole can be seen out to the workman like this, this position is exactly the position that the pilot pin 52 propped, thereby can make the judgement for the workman to the drilling position, or can relocate the correct drilling position, the machining accuracy to drilling has been improved.

As an embodiment of the utility model provides a hydraulic pressure spare locking mouth compound sword's a specific implementation mode please refer to fig. 1 to fig. 3 together, chip removal structure 4 is the chip groove, and one end is established the front end of tool bit 2, the other end is established on handle of a knife 1. The inlet end of the cold chip groove is arranged at the front end of the cutter head 2, and the outlet end of the cold chip groove is arranged on the cutter handle 1. The chip groove is a long-strip groove body structure, and chips can be processed in the groove body.

As a specific implementation manner of the hydraulic part locking mouth compound knife provided by the embodiment of the present invention, please refer to fig. 1 to 3 together, an included angle e between a horizontal line where the cutting tip of the cutting edge 3 is located and a tangent line of the outside cutting edge of the cutting edge 3 is 5-7 degrees, preferably 6 degrees, and the thickness of the cutting edge 3 is 3-4mm, preferably 3.5 mm. According to the machining requirements, the position parameters of the cutting edge 3 on the cutter head 2 are arranged, so that the precision of a hole to be machined can be improved to the maximum extent, the abrasion is reduced, and the efficiency is improved.

As an embodiment of the utility model provides a hydraulic pressure spare locking mouth compound sword's a concrete implementation mode please refer to fig. 1 to fig. 3 together, handle of a knife 1 includes linkage segment 11 and chip removal end 12, linkage segment 11 is used for connecting cutting equipment, chip removal section 12 is used for the discharge sweeps. The connecting end 11 is used for connecting cutting equipment, and the end of connecting end 11 is equipped with the keyway, chip removal section 12 with tool bit 2 fixed connection. The outlet end of the chip discharge groove is arranged on the chip discharge section 12. The connecting end 11 is tapered in cross-section.

As a specific implementation manner of the composite cutter for hydraulic part locking port provided in the embodiment of the present invention, please refer to fig. 1 to 3 together, a chamfer a with a size of 1.5 × 45 ° is provided on the front end surface of the first blade 21, a chamfer b with a size of 1.2 × 30 ° is provided at a position where the first blade 21 and the second blade 22 are connected, a chamfer c with a size of 1.1 × 45 ° is provided at a position where the transition cutter 24 and the second blade 22 are connected, a chamfer d with a size of 2.4 × 15 ° is provided at a position where the transition cutter 24 and the end surface cutter 23 are connected, and the end surface cutter 23 is not edged. The end face cutter 23 plays a role in preventing drilling, when the drilling position is determined, the cutter head 2 is used for drilling the hole, when the drilling depth of the hole meets the requirement, the hole can not be drilled to the deep position, the machining depth of the hole can be limited by the end face cutter 23, and the hole machining quality is improved.

As a specific implementation manner of the composite cutter for hydraulic part locking port provided in the embodiment of the present invention, please refer to fig. 1 to 3 together, and the first blade 21 and the second blade 22 are made of hard alloy steel.

As a specific implementation manner of the composite knife for the hydraulic part locking port provided by the embodiment of the present invention, please refer to fig. 1 to 3 together, the diameter of the first blade 21 is 18-20mm, preferably 19mm, the diameter of the second blade 22 is 20-21mm, preferably 20.5mm, the diameter of the transition knife 24 is 24-26mm, preferably 25mm, and the diameter of the end surface knife 23 is 40-42mm, preferably 41 mm. According to the different diameters of each blade, the compound cutter can process and form the locking port of the hydraulic part at one time, the reamer operation with a plurality of different diameters is avoided, the precision of processing the locking port is improved, and the processing efficiency is improved.

As a specific implementation manner of the hydraulic part locking port compound knife provided by the embodiment of the present invention, please refer to fig. 1 to 3 together, the knife handle 1 adopts morse number 4 taper shank. The heat treatment hardness index of the knife handle 1 is HRC40-45, so that the processing requirement can be met.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Compound sword of hydraulic pressure spare locking mouth, its characterized in that includes:

the cutter head is fixedly arranged at one end of the cutter handle and is coaxial with the cutter handle, a first blade and a second blade with gradually-increased diameters are sequentially arranged on the cutter head from the end part to the inner side, and four cutting edges which are equally divided into circles are arranged on the circumferential surfaces of the first blade and the second blade; the cutting edge comprises a cutting tip and a plurality of cutting edges;

the end face cutter is arranged on the connecting section of the cutter handle and the cutter head and used for limiting the drilling depth of the cutter head in the axial direction; a transition cutter is arranged between the end face cutter and the second blade, and two chamfer structures are arranged on the transition cutter;

2. The hydraulic lock port compound knife of claim 1, wherein the positioning structure comprises:

3. The hydraulic part locking port compound knife according to claim 1, wherein the chip removal structure is a chip removal groove, one end of the chip removal groove is arranged at the front end of the knife head, and the other end of the chip removal groove is arranged on the knife handle.

4. The hydraulic lock slot compound cutter as claimed in claim 1, wherein the included angle e between the horizontal line of the cutting tip of the cutting edge and the tangent line of the outer cutting edge of the cutting edge is 5-7 °, and the thickness of the cutting edge is 3-4 mm.

5. The hydraulic part locking port compound knife according to claim 1, wherein the knife handle comprises a connecting section and a chip removal section, the connecting section is used for connecting a cutting device, and the chip removal section is used for discharging waste chips.

6. The hydraulic lock slot compound tool as claimed in claim 1, wherein a chamfer a with a size of 1.5 × 45 ° is provided on the front end face of the first blade, a chamfer b with a size of 1.2 × 30 ° is provided at the position where the first blade is connected with the second blade, a chamfer c with a size of 1.1 × 45 ° is provided at the position where the transition tool is connected with the second blade, a chamfer d with a size of 2.4 × 15 ° is provided at the position where the transition tool is connected with the end face tool, and the end face tool is not edged.

7. The hydraulic tool lock port compound tool of claim 1, wherein the first blade and the second blade are both made of hard alloy steel.

8. The hydraulic lock slot compound knife of claim 1, wherein the diameter of the first blade is 18-20mm, the diameter of the second blade is 20-21mm, the diameter of the transition knife is 24-26mm, and the diameter of the end face knife is 40-42 mm.

9. The hydraulic part locking port compound knife according to claim 1, wherein the knife handle is a morse number 4 taper shank.