CN217018705U

CN217018705U - Cam follower oil hole drilling tool

Info

Publication number: CN217018705U
Application number: CN202220828894.3U
Authority: CN
Inventors: 曹国亮
Original assignee: Chongqing Yu Kee Haamsing Machinery Manufacturing Co ltd
Current assignee: Chongqing Yu Kee Haamsing Machinery Manufacturing Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-22
Anticipated expiration: 2032-04-12

Abstract

The utility model belongs to the field of automobile part machining, and particularly relates to a cam follower oil drilling hole tool which comprises a bottom plate, a vertical plate, a partition plate, an index plate and a clamp body; the vertical plate is fixedly arranged on the bottom plate, one side of the vertical plate is fixedly connected with the partition plate, a rotating shaft is rotatably arranged on the vertical plate, the rotating shaft penetrates through the partition plate and is fixedly connected with the dividing plate, and one side of the dividing plate is fixedly connected with the clamp body; the clamp comprises a clamp body, two positioning pins with different diameters, two drilling jigs, a movable drilling die seat, two single-head screws and a movable pressing plate, wherein the two positioning pins are fixedly arranged on the clamp body, the two drilling jigs are respectively and correspondingly arranged on the outer sides of the positioning pins, the movable drilling die seat and the two single-head screws are fixedly arranged on the clamp body, the movable drilling jigs are detachably connected in the movable drilling die seat, the movable pressing plate is provided with an elongated slot which can be in sliding fit with the single-head screws, and a rotary positioning component for positioning the rotary position of the clamp body is arranged on a vertical plate; the utility model can realize the quick positioning of the fixture body and has small drilling error.

Description

Cam follower oil hole drilling tool

Technical Field

The utility model belongs to the field of automobile part machining, and particularly relates to a cam follower oil hole drilling tool.

Background

The cam is a member having a curved profile or groove. The cam mechanism is a high-pair mechanism which is composed of a cam follower and a frame. The cam usually rotates continuously at a constant speed, and the driven member is designed to obtain a certain regular movement according to the use requirement. The cam mechanism can meet complex motion requirements and is widely applied to various automatic and semi-automatic mechanical devices. When the cam mechanism moves at a high speed, oil holes which can be communicated need to be drilled at the two ends of the cam follower to ensure that lubricating oil is conveyed in time. See more particularly the a and B bores of the cam follower in figure 6 of the drawings.

Chinese patent with application number CN201520961174.4 discloses a cam follower rough boring clamp, which comprises a horizontally arranged first base, wherein the upper surface of the first base is horizontally provided with a first positioning seat which is integrally in a semicircular shape, the inner diameter of the first positioning seat is larger than the diameter of a first connecting end of a cam follower to be processed, and two adjustable positioning screws which are located at the same height are radially arranged on the first positioning seat; a second positioning seat which is rectangular integrally is further arranged on the first base along the tangential direction of the end part of the first positioning seat, and one side of the second positioning seat, which faces the other end part of the first positioning seat, is a positioning surface for positioning a second connecting end of the cam follower; and the first base is also provided with a pressing mechanism for pressing the cam follower to be processed downwards along the vertical direction. The utility model discloses a have simple structure, the clamping is convenient, and positioning accuracy is high, is favorable to improving advantages such as the bore hole quality of cam follower.

However, if the cam follower machining tool clamp body needs to machine 2 oil holes on the cam follower in the prior art, the clamping needs to be carried out for 2 times, the error generated by the clamping for 2 times is large, the relative position error of the two oil holes can be increased, and the machining precision of the oil holes is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a cam follower oil hole drilling tool which is used for solving the problems of large machining error and low efficiency when the existing cam follower machining tool clamp needs to machine 2 oil holes.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a cam follower oil hole drilling tool comprises a bottom plate, a vertical plate, a partition plate, an index plate and a clamp body; the vertical plate is fixedly arranged on the bottom plate, one side of the vertical plate is fixedly connected with the partition plate, a rotating shaft is rotatably arranged on the vertical plate, the rotating shaft penetrates through the partition plate and is fixedly connected with the dividing plate, and one side of the dividing plate is fixedly connected with the clamp body;

the utility model discloses a drilling jig, including anchor clamps body, movable drilling die holder, riser, movable clamp plate, relative position precision that 2 oilholes of processing can be guaranteed from this to the last fixed mounting of anchor clamps body have two locating pins of different diameters, fixed mounting has two jig on the anchor clamps body, the jig corresponds the outside that sets up at the locating pin respectively, fixed mounting has movable drilling die holder and two single screw rods on the anchor clamps body, detachable is connected with movable jig in the movable drilling die holder, still includes the removal clamp plate, have on the removal clamp plate can with single screw rod sliding fit's elongated slot, install the rotatory locating component that is used for fixing a position the specific rotational position of clamp on the riser, the angle satisfies the technology demand.

Furthermore, the rotary positioning assembly comprises a directional shaft bushing fixedly arranged in the connection between the vertical plate and the partition plate, one side of the dividing plate, which is opposite to the partition plate, is provided with a plurality of dividing plate positioning sleeves capable of being communicated with the directional shaft bushing along the same circumference, the end part of the directional shaft bushing is fixedly connected with a spring support cover, a directional shaft is movably connected in each directional shaft bushing sleeve, one end of each positioning shaft can be in plug-in fit with the corresponding dividing plate positioning sleeve, the other end of each directional shaft penetrates through the corresponding spring support cover to extend outwards, and a spring is fixedly connected between each directional shaft and the corresponding spring support cover; the vertical plate is fixedly provided with a hinge supporting seat, a wrench is rotatably arranged in the hinge supporting seat, one end of the wrench is rotatably connected with the directional shaft, and therefore the clamp body can be quickly positioned when rotating to another station when a cam follower is machined, and machining efficiency and machining precision are improved.

Further, the tip fixed mounting of spanner has the handle that has the skid resistant course, and the better gripping handle of the staff of being convenient for avoids skidding.

Further, the rotation axis is provided with deep groove ball bearing, thrust ball bearing respectively with riser, baffle junction, and the better installs the rotation axis, and the help bears axial load, avoids riser, baffle to appear damaging.

Further, one side fixedly connected with shield of riser, the shield is located the tip outside of rotation axis reduces external dust and gets into between rotation axis and the riser, and then leads to the rotation axis bite.

Furthermore, a rib plate for reinforcement is arranged at the joint of the bottom plate and the vertical plate, so that the connection between the bottom plate and the vertical plate is better reinforced.

Drawings

FIG. 1 is a schematic perspective view illustrating an embodiment of an oil drilling hole tool for a cam follower according to the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of a cam follower oil hole drilling tool according to the present invention;

FIG. 3 is a schematic top view illustrating an embodiment of the cam follower oil drilling tool according to the present invention;

FIG. 4 is a schematic structural diagram of an elevation view of an embodiment of the cam follower oil hole drilling tool of the present invention (hole A machining);

FIG. 5 is a schematic structural diagram of an elevation view of an embodiment of the cam follower oil drilling hole drilling tool of the present invention (B hole machining);

FIG. 6 is a schematic sectional view of a cam follower in an embodiment of the cam follower oil hole drilling tool of the present invention;

reference numerals in the drawings of the specification include:

the device comprises a bottom plate 1, a rib plate 101, a vertical plate 2, a rotating shaft 201, a deep groove ball bearing 202, a thrust ball bearing 203, a dust cover 204, a partition plate 3, an indexing disc 4, a clamp body 5, a positioning pin 501, a drilling jig 502, a movable drilling jig seat 503, a single-head screw rod 504, a movable drilling jig 505, a movable pressing plate 506, a rotating positioning assembly 6, an orientation shaft bushing 601, an indexing disc positioning sleeve 602, a spring support cover 603, an orientation shaft 604, a spring 605, a hinge support seat 606, a wrench 607, a handle 608, a cam follower 7 and a positioning hole 701.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The embodiment is as follows:

as shown in fig. 1-6, the cam follower oil drilling hole tool comprises a bottom plate 1, a vertical plate 2, a partition plate 3, an index plate 4 and a clamp body 5; the vertical plate 2 is fixedly arranged on the bottom plate 1, one side of the vertical plate 2 is fixedly connected with the partition plate 3, the vertical plate 2 is rotatably provided with a rotating shaft 201, the rotating shaft 201 penetrates through the partition plate 3 and is fixedly connected with the dividing plate 4, and one side of the dividing plate 4 is fixedly connected with the clamp body 5;

the fixture comprises a fixture body 5, two positioning pins 501 with different diameters are fixedly mounted on the fixture body 5, two drill jigs 502 are fixedly mounted on the fixture body 5, the drill jigs 502 are respectively and correspondingly arranged on the outer sides of the positioning pins 501, a movable drill jig seat 503 and two single-head screws 504 are fixedly mounted on the fixture body 5, a movable drill jig 505 is detachably connected in the movable drill jig seat 503, the fixture further comprises a movable pressing plate 506, a long groove capable of being in sliding fit with the single-head screws 504 is formed in the movable pressing plate 506, and a rotary positioning assembly 6 used for positioning the rotary position of the fixture body 5 is mounted on a vertical plate 2.

In this way, when the cam follower 7 needs to be machined, the positioning holes 701 on the cam follower 7 are inserted in alignment with the two positioning pins 501, the two movable pressing plates 506 are moved, so that one end of each movable pressing plate 506 is located above the cam follower 7, and the single-head screw 504 is rotated to press the movable pressing plates 506, so that the movable pressing plates 506 are pressed on the cam follower 7 to fix the cam follower 7; then, the movable drill jig 505 is placed in the movable drill jig seat 503, the clamp body 5 is rotated until the hole A of the cam follower 7 is aligned with external liftable drilling equipment, the position of the clamp body 5 is fixed and locked by the rotary positioning assembly 6, the hole A of the cam follower 7 can be machined by the drilling equipment after the clamp body is locked, the drill jig 502 conducts preliminary guidance on the descending direction of a drill bit of the drilling equipment, the drill bit enters a hole channel arranged in the movable drill jig 505 after penetrating through the drill jig 502, and the angle of the drill bit for machining the cam follower 7 is accurately guided, so that the machining angle is ensured to meet the technological requirements; the drilling equipment of external liftable of rotatory anchor clamps body 5 to the B hole alignment of cam follower 7 of the same reason, locks the position of the anchor clamps body 5 with rotational positioning subassembly 6, alright process the B hole of cam follower 7 through drilling equipment, reaches the effect of processing into two holes of A, B deep hole and intercommunication at last, satisfies the technological demand. When the position of the clamp body 5 needs to be changed, the rotary positioning assembly 6 is unlocked, and then the clamp body 5 is rotated.

The rotary positioning assembly 6 comprises a directional shaft bushing 601 fixedly installed in the connection between the vertical plate 2 and the partition plate 3, one side of the dividing plate 4, which is opposite to the partition plate, is provided with a plurality of dividing plate positioning sleeves 602 which can be communicated with the directional shaft bushing 601 along the same circumference, the end part of the directional shaft bushing 601 is fixedly connected with a spring supporting cover 603, a directional shaft 604 is movably connected in the directional shaft bushing 601, one end of the positioning shaft can be in inserted connection and matching with the dividing plate positioning sleeves, the other end of the directional shaft 604 penetrates through the spring supporting cover to extend outwards, and a spring 605 is fixedly connected between the directional shaft 604 and the spring supporting cover 603; a hinge support seat 606 is fixedly installed on the vertical plate 2, a wrench 607 is rotatably installed in the hinge support seat 606, and one end of the wrench 607 is rotatably connected with the directional shaft 604.

Thus, when the clamp body 5 needs to be rotated, the wrench 607 is pulled, the wrench 607 rotates around the hinge support seat 606, the directional shaft 604 is driven to move outwards, the end of the directional shaft 604 is separated from the index plate positioning sleeve 602 and the spring 605 is compressed at the same time, at the moment, the clamp body 5 can be rotated manually, after the clamp body is rotated to the position, the wrench 607 is loosened, the directional shaft 604 drives the end of the positioning shaft 604 to be inserted into the index plate positioning sleeve 602 corresponding to air under the action of elastic potential energy of the spring 605, the fixing of the rotating position of the clamp body 5 is realized, and therefore the clamp body 5 can be quickly positioned when the cam follower 7 is machined and quickly locked.

The end of the wrench 607 is fixedly installed with a handle 608 having an anti-slip layer, which is convenient for the worker to better hold the handle 608 to avoid slipping.

The junction of rotation axis 201 and riser 2 and baffle 3 is provided with deep groove ball bearing 202 and thrust ball bearing 203 respectively, and the better installs rotation axis 201, and the axial load is born in the help, avoids riser 2, baffle 3 to appear damaging.

One side fixedly connected with shield 204 of riser 2, shield 204 are located the tip outside of rotation axis 201, reduce external dust and get into between rotation axis 201 and the riser 2, and then lead to rotation axis 201 bite.

The reinforcing plate 101 for reinforcement is installed at the junction of the bottom plate 1 and the vertical plate 2, so that the connection between the bottom plate 1 and the vertical plate 2 is better reinforced.

The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the utility model in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the utility model may be embodied in practice with the teachings of the utility model. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a cam follower bores oilhole frock which characterized in that: comprises a bottom plate (1), a vertical plate (2), a partition plate (3), an index plate (4) and a clamp body (5); the vertical plate (2) is fixedly arranged on the bottom plate (1), one side of the vertical plate (2) is fixedly connected with the partition plate (3), the vertical plate (2) is rotatably provided with a rotating shaft (201), the rotating shaft (201) penetrates through the partition plate (3) and is fixedly connected with the dividing plate (4), and one side of the dividing plate (4) is fixedly connected with the clamp body (5);

the utility model discloses a drilling jig, including anchor clamps body (5), fixed mounting has two locating pins (501) of different diameters on the anchor clamps body (5), fixed mounting has two jig (502) on the anchor clamps body (5), jig (502) correspond the outside that sets up at locating pin (501) respectively, fixed mounting has movable jig seat (503) and two single screw rods (504) on the anchor clamps body (5), detachable is connected with movable jig (505) in movable jig seat (503), still includes and removes clamp plate (506), have on removing clamp plate (506) can with single screw rod (504) sliding fit's elongated slot, install on riser (2) and be used for carrying out the rotational positioning subassembly (6) of fixing a position to the rotational position of the anchor clamps body (5).

2. The cam follower oil drilling tool according to claim 1, characterized in that: the rotary positioning assembly (6) comprises a directional shaft bushing (601) fixedly installed in a vertical plate (2) and a partition plate (3), a plurality of dividing plate positioning sleeves (602) capable of being communicated with the directional shaft bushing (601) are arranged on one side, opposite to the partition plate, of the dividing plate (4) along the same circumference, a spring supporting cover (603) is fixedly connected to the end portion of the directional shaft bushing (601), a directional shaft (604) is movably connected in the directional shaft bushing (601), one end of the positioning shaft can be in plug fit with the dividing plate positioning sleeves, the other end of the directional shaft (604) penetrates through the spring supporting cover to extend outwards, and a spring (605) is fixedly connected between the directional shaft (604) and the spring supporting cover (603); fixed mounting has hinge supporting seat (606) on riser (2), spanner (607) are installed to hinge supporting seat (606) internal rotation, the one end and the directional axle (604) of spanner (607) rotate to be connected.

3. The cam follower oil drilling tool according to claim 2, wherein: the end of the wrench (607) is fixedly provided with a handle (608) with an anti-slip layer.

4. The cam follower oil drilling tool according to claim 2, wherein: and deep groove ball bearings (202) and thrust ball bearings (203) are respectively arranged at the joints of the rotating shaft (201), the vertical plate (2) and the partition plate (3).

5. The cam follower oil drilling tool according to claim 2, wherein: one side fixedly connected with shield (204) of riser (2), shield (204) are located the tip outside of rotation axis (201).

6. The cam follower oil drilling tool according to claim 1, wherein: and a rib plate (101) for reinforcement is arranged at the joint of the bottom plate (1) and the vertical plate (2).