CN212145510U

CN212145510U - High-pressure common rail pump body end face machining tool

Info

Publication number: CN212145510U
Application number: CN202020777722.9U
Authority: CN
Inventors: 孙凯; 郑辉; 窦晓刚; 姚凯; 肖作璇
Original assignee: Zibo Ouheng Machinery Co ltd
Current assignee: Zibo Ouheng Machinery Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-15
Anticipated expiration: 2030-05-12

Abstract

A high-pressure common rail pump body end face machining tool belongs to the technical field of high-pressure pump body machining. The method is characterized in that: the clamping device comprises a base (1), a first clamping device and a second clamping device, wherein the first clamping device and the second clamping device are both arranged on the upper side of the base (1), a first positioning pin (11) and a first positioning rod (6) which are matched with the first clamping device are arranged on the base (1), the first positioning pin (11) is vertically arranged, and the first positioning rod (6) is horizontally arranged on one side of the upper part of the first positioning pin (11); the second clamping device is provided with a second positioning pin (10) and a second positioning rod (7), the second positioning pin (10) and the second positioning rod (7) are vertically arranged, and the second positioning rod (7) is arranged on one side of the second positioning pin (10). The high-pressure common rail pump body end face machining tool is accurate in workpiece positioning and reliable in clamping, the machining positions of the mounting holes at the two ends of the workpiece are accurate, and assembling errors are reduced.

Description

High-pressure common rail pump body end face machining tool

Technical Field

A high-pressure common rail pump body end face machining tool belongs to the technical field of high-pressure pump body machining.

Background

The both ends of the high-pressure common rail pump body are fixedly connected with the pump cover through bolts, mounting holes are machined in the side portions of the two ends of the high-pressure pump body, in order to reduce assembly errors, the positions of the mounting holes at the two ends of the high-pressure pump body are required to be accurate, and therefore the high-pressure common rail pump body can be better matched and connected with the pump cover. The both ends of high-pressure pump body are usually through the lathe drilling, but when drilling, are difficult to carry out accurate positioning to the work piece, lead to current high-pressure pump body accuracy relatively poor when both ends are drilled, influence subsequent assembly, drilling speed is slower moreover.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the high-pressure common rail pump body end face machining tool is convenient to position a workpiece and guarantees the drilling accuracy of two ends of the workpiece.

The utility model provides a technical scheme that its technical problem adopted is: this high pressure common rail pump body terminal surface processing frock, its characterized in that: the clamping device comprises a base, a first clamping device and a second clamping device, wherein the first clamping device and the second clamping device are arranged on the upper side of the base; the second clamping device is provided with a second positioning pin and a second positioning rod, the second positioning pin and the second positioning rod are vertically arranged, and the second positioning rod is arranged on one side of the second positioning pin.

Preferably, the first clamping device and the second clamping device are arranged in pairs.

Preferably, the first clamping device comprises a first mounting seat and a first clamping cylinder, the top surface of the first mounting seat is a horizontal first bearing part, a first positioning pin is arranged in the middle of the first mounting seat, the first clamping cylinder is vertically arranged, and the first clamping cylinder is provided with a first pressing rod.

Preferably, the first pressure lever is horizontally arranged, one end of the first pressure lever is connected with the first clamping cylinder, and the other end of the first pressure lever is bent downwards to form a first pressing part.

Preferably, the first clamping cylinders surround the first mounting seat at intervals and are a plurality of corner cylinders.

Preferably, the first locating rod is installed on the base through the locating rack, and the first locating rod is in threaded connection with the locating rack.

Preferably, the second clamping device comprises a second mounting seat and a second clamping cylinder, the top surface of the second mounting seat is a horizontal second bearing part, the second positioning pin is mounted in the middle of the second mounting seat, the lower part of the second positioning rod is in threaded connection with the second mounting seat, the second clamping cylinder is vertically arranged, and a piston rod of the second clamping cylinder is provided with a second pressing rod.

Preferably, the second pressure lever is horizontally arranged, one end of the second pressure lever is connected with the second clamping cylinder, and the other end of the second pressure lever is bent downwards to form a second pressing part.

Preferably, the second clamping cylinders surround the second mounting seat at intervals and are uniformly distributed, and the second clamping cylinders are corner cylinders.

Preferably, the upper side of the first positioning pin is provided with a pressing plate at intervals, and the pressing plate is detachably connected with the first positioning pin through a bolt.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. this high pressure common rail pump body terminal surface processing frock's first locating pin stretches into the mesopore of work piece and fixes a position the position of work piece, the lateral part location of work piece is on first locating lever, thereby the location of work piece circumferencial direction has been realized, the second locating pin stretches into in the cavity of work piece, the second locating lever stretches into in the good mounting hole of work piece brill, thereby realized the location to the work piece, the work piece location is accurate, press from both sides tightly reliably, guarantee that the mounting hole processing position at work piece both ends is accurate, assembly error has been reduced, can guarantee that the subsequent equipment of high-pressure oil pump is more quick smooth and easy.

2. The first clamping device and the second clamping device are arranged in pairs, and can be directly clamped on the second clamping device after the mounting hole at one end of the workpiece is machined, the workpiece is convenient to machine, the first clamping device and the second clamping device can be provided with multiple groups of workpieces and can clamp the workpieces simultaneously, and the clamping speed of the workpieces is increased.

3. The first clamping cylinder compresses the workpiece on the first bearing part of the first mounting seat through the first pressure rod, the first bearing part can be matched with the end face of the workpiece to further play a role in positioning the workpiece, and the perpendicularity of the mounting hole of the workpiece and the end face of the workpiece is ensured.

4. The end part of the first pressure lever is provided with a first pressing part, so that the workpiece is reliably pressed.

5. The first clamping cylinders are arranged around the first mounting seat in a plurality of modes, so that the workpiece is reliably clamped, the bottom surface of the workpiece is tightly attached to the first bearing part, and the first clamping cylinders are corner cylinders, so that the workpiece is conveniently taken and placed.

6. First locating lever and setting element threaded connection to conveniently adjust the position of first locating lever, and then can adapt to the location of the work piece of unidimensional not, and adjust the convenience.

7. The first clamping device is assisted by the pressing plate to compress the workpiece, so that the workpiece can be reliably clamped, and the first positioning rod can be positioned more accurately.

Drawings

Fig. 1 is a schematic plan view of a high-pressure common rail pump body end face machining tool.

Fig. 2 is a left-side sectional view of the high-pressure common rail pump body end face machining tool.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 2 at B.

In the figure: 1. the clamping device comprises a base 2, a first clamping cylinder 3, a first pressing rod 4, a workpiece 5, a positioning frame 6, a first positioning rod 7, a second positioning rod 8, a second clamping cylinder 9, a second pressing rod 10, a second positioning pin 11, a first positioning pin 12, a supporting block 13, a second mounting seat 14 and a first mounting seat.

Detailed Description

Fig. 1 to 4 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 4.

A high-pressure common rail pump body end face machining tool comprises a base 1, a first clamping device and a second clamping device, wherein the first clamping device and the second clamping device are arranged on the upper side of the base 1, a first positioning pin 11 and a first positioning rod 6 which are matched with the first clamping device are arranged on the base 1, the first positioning pin 11 is vertically arranged, and the first positioning rod 6 is horizontally arranged on one side of the upper portion of the first positioning pin 11; the second clamping device is provided with a second positioning pin 10 and a second positioning rod 7, the second positioning pin 10 and the second positioning rod 7 are vertically arranged, and the second positioning rod 7 is arranged on one side of the second positioning pin 10. This high pressure common rail pump body terminal surface processing frock's first locating pin 11 stretches into the mesopore of work piece 4 and fixes a position work piece 4's position, work piece 4's lateral part is fixed a position on first locating lever 6, thereby the location of work piece 4 circumferencial direction has been realized, second locating pin 10 stretches into in work piece 4's the cavity, second locating lever 7 stretches into in the good mounting hole of work piece 4 brill, thereby realized the location to work piece 4, work piece 4 location is accurate, it is tight reliable to press from both sides, guarantee that the mounting hole processing position at work piece 4 both ends is accurate, assembly error has been reduced, can guarantee that the subsequent equipment of high-pressure oil pump is more quick smooth and easy.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Specifically, the method comprises the following steps: as shown in FIGS. 1-4: the base 1 is a rectangular plate, the first clamping device and the second clamping device are both arranged on the upper side of the base 1, the first clamping device and the second clamping device are arranged in pairs, and the first clamping device and the second clamping device are respectively arranged on two sides of the base 1 in the width direction.

The first clamping devices are arranged in a plurality of intervals along the length direction of the base 1, and the second clamping devices correspond to the first clamping devices one to one, so that a plurality of workpieces 4 can be clamped simultaneously, and the processing speed of the workpieces 4 is improved. Each first clamping device is correspondingly provided with a first positioning pin 11 and a first positioning rod 6, and each second clamping device is correspondingly provided with a second positioning pin 10 and a second positioning rod 7. In the present embodiment, the first clamping device and the second clamping device are each provided side by side in three.

The first clamping device comprises a first mounting seat 14 and a first clamping cylinder 2, the first mounting seat 14 is detachably mounted on the base 1, and the top surface of the first mounting seat 14 is a horizontal first bearing part. First die clamping cylinder 2 is the corner cylinder, and first die clamping cylinder 2 encircles a plurality of that first mount pad 14 interval was provided with, and in this embodiment, first die clamping cylinder 2 encircles first mount pad 14 interval equipartition and has three. The piston rod of first die clamping cylinder 2 sets up vertically up, first die clamping cylinder 2 installs on base 1, all install first depression bar 3 on every first die clamping cylinder 2's the piston rod, first depression bar 3 level sets up, the one end of first depression bar 3 links to each other with first die clamping cylinder 2's piston rod, and go up and down along with it in step, the other end of first depression bar 3 is buckled down, form first portion of compressing tightly, first depression bar 3 compresses tightly work piece 4 through first portion of compressing tightly, can compress tightly work piece 4 on the first bearing portion of first mount pad 14.

In this embodiment, the workpiece 4 is a high-pressure pump body, three convex bosses connected with the end covers are arranged at two ends of the high-pressure pump body, a mounting hole is drilled on each boss, and each first clamping cylinder 2 compresses the workpiece 4 through the boss. The side part of the high-pressure pump body is also provided with a side pipe.

The middle part of first mount pad 14 is provided with the through-hole, the vertical upside middle part that sets up at first mount pad 14 of first locating pin 11, the middle part of first locating pin 11 also is provided with the through-hole, the upper end diameter of the through-hole of first locating pin 11 is greater than the lower extreme diameter, first locating pin 11 passes through bolt and base 1 fixed connection, the lower extreme of bolt passes first locating pin 11 and first mount pad 14 back in proper order with base 1 threaded connection, thereby install first mount pad 14 and first locating pin 11 on base 1.

The inner wall of the through hole of the first positioning pin 11 can be further provided with threads, a pressing plate can be arranged on the upper side of the first positioning pin 11 and connected with the first positioning pin 11 through a bolt, the lower end of the bolt penetrates through the pressing plate and then is in threaded connection with the first positioning pin 11, and the workpiece 4 is pressed on the first mounting seat 14 in an auxiliary mode.

First locating lever 6 level sets up in the upper portion one side of the first locating pin 11 that corresponds, and first locating lever 6 passes through locating rack 5 to be installed on base 1, and 5 detachable of locating rack are installed on base 1, and first locating

lever

6 and 5 threaded connection of locating rack still are provided with fixation nut on the first locating lever 6 to fix first locating lever 6, guarantee that first locating lever 6 position is accurate. The first positioning rod 6 can position the workpiece 4 in the circumferential direction by positioning the side pipe of the workpiece 4.

The upper side of the first mounting seat 14 is provided with three supporting blocks 12, the supporting blocks 12 surround the first positioning pins 11, the three supporting blocks are uniformly distributed at intervals to form a first bearing part, the supporting blocks 12 correspond to the bosses of the workpiece 4 one by one, and each first clamping cylinder 2 tightly presses the boss of the workpiece 4 on the corresponding supporting block 12 through the first pressing rod 3, so that the workpiece 4 is guaranteed to be reliably clamped.

The second clamping device comprises a second mounting seat 13 and a second clamping cylinder 8, the second mounting seat 13 is detachably mounted on the base 1, and the top surface of the second mounting seat 13 is a horizontal second bearing part. The second die clamping cylinder 8 is a corner cylinder, and the second die clamping cylinder 8 surrounds the second mounting base 13 and is provided with a plurality of intervals, and in this embodiment, the second die clamping cylinder 8 surrounds the second mounting base 13 and is evenly distributed with three intervals. The piston rod of second die clamping cylinder 8 sets up vertically upwards, second die clamping cylinder 8 installs on base 1, all install second depression bar 9 on every second die clamping cylinder 8's the piston rod, second depression bar 9 level sets up, the one end of second depression bar 9 links to each other with second die clamping cylinder 8's piston rod, and go up and down along with it in step, the other end of second depression bar 9 is buckled down, form the second and compress tightly the portion, second depression bar 9 compresses tightly work piece 4 through the second portion of compressing tightly, can compress tightly work piece 4 on the second bearing portion of second mount pad 13.

The vertical setting of second locating pin 10 is at the middle part upside of second mount pad 13, and second locating pin 10 is connected with second mount pad 13 detachable, and second mount pad 13 passes through bolt detachable with base 1 and is connected. The upper end of the second positioning pin 10 is tapered with a diameter gradually decreasing from top to bottom, so that the workpiece 4 can be conveniently mounted.

Supporting blocks 12 are arranged on the upper side of the second mounting seat 13, the supporting blocks 12 are uniformly distributed around the second positioning pin 10 at intervals to form a second bearing part, the supporting blocks 12 correspond to the bosses of the workpiece 4 one by one, and each second clamping cylinder 8 compresses the boss of the workpiece 4 on the corresponding supporting block 12 through a second pressing rod 9, so that the workpiece 4 is guaranteed to be clamped reliably.

The second positioning rod 7 is in threaded connection with any one supporting block 12 of the second mounting seat 13, and the upper end of the second positioning rod 7 protrudes out of the corresponding supporting block 12, so that after a mounting hole at one end of the workpiece 4 is drilled, the circumferential direction of the workpiece 4 is positioned through the drilled mounting hole, and the positioning is convenient and reliable

When the high-pressure common rail pump body end face machining tool is used, a workpiece 4 is firstly placed on a first mounting seat 14, the lower end of a middle hole of the workpiece 4 is sleeved outside a first positioning pin 11, meanwhile, a side pipe of the workpiece 4 is attached to and positioned at the end part of a first positioning rod 6, then three first clamping cylinders 2 synchronously act, and the workpiece 4 is pressed on a supporting block 12 of the first mounting seat 14 through a first pressing rod 3.

Then, the workpiece 4 is placed on the second mounting seat 13, the lower end of the middle hole of the workpiece 4 is sleeved outside the second positioning pin 10, any one mounting hole is sleeved outside the second positioning rod 7, then the second clamping cylinder 8 acts, and the workpiece 4 is pressed on the supporting block 12 of the second mounting seat 13 through the second pressing rod 9.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a high pressure common rail pump body terminal surface processing frock which characterized in that: the clamping device comprises a base (1), a first clamping device and a second clamping device, wherein the first clamping device and the second clamping device are both arranged on the upper side of the base (1), a first positioning pin (11) and a first positioning rod (6) which are matched with the first clamping device are arranged on the base (1), the first positioning pin (11) is vertically arranged, and the first positioning rod (6) is horizontally arranged on one side of the upper part of the first positioning pin (11); the second clamping device is provided with a second positioning pin (10) and a second positioning rod (7), the second positioning pin (10) and the second positioning rod (7) are vertically arranged, and the second positioning rod (7) is arranged on one side of the second positioning pin (10).

2. The high-pressure common rail pump body end face machining tool according to claim 1, characterized in that: the first clamping device and the second clamping device are arranged in pairs.

3. The high-pressure common rail pump body end face machining tool according to claim 1, characterized in that: the first clamping device comprises a first mounting seat (14) and a first clamping cylinder (2), the top surface of the first mounting seat (14) is a horizontal first bearing part, a first positioning pin (11) is arranged in the middle of the first mounting seat (14), the first clamping cylinder (2) is vertically arranged, and a first pressing rod (3) is arranged on the first clamping cylinder (2).

4. The high-pressure common rail pump body end face machining tool according to claim 3, characterized in that: first depression bar (3) level setting, the one end of first depression bar (3) links to each other with first die clamping cylinder (2), and the other end is buckled downwards, forms first portion that compresses tightly.

5. The high-pressure common rail pump body end face machining tool according to claim 3 or 4, characterized in that: the first clamping cylinders (2) are arranged around the first mounting seat (14) at intervals, and the first clamping cylinders (2) are corner cylinders.

6. The high-pressure common rail pump body end face machining tool according to claim 1, characterized in that: the first locating rod (6) is installed on the base (1) through the locating rack (5), and the first locating rod (6) is in threaded connection with the locating rack (5).

7. The high-pressure common rail pump body end face machining tool according to claim 1, characterized in that: the second clamping device comprises a second mounting seat (13) and a second clamping cylinder (8), the top surface of the second mounting seat (13) is a horizontal second bearing part, a second positioning pin (10) is mounted in the middle of the second mounting seat (13), the lower part of a second positioning rod (7) is in threaded connection with the second mounting seat (13), the second clamping cylinder (8) is vertically arranged, and a piston rod of the second clamping cylinder (8) is provided with a second pressure rod (9).

8. The high-pressure common rail pump body end face machining tool according to claim 7, characterized in that: the second pressing rod (9) is horizontally arranged, one end of the second pressing rod (9) is connected with the second clamping cylinder (8), and the other end of the second pressing rod is bent downwards to form a second pressing part.

9. The high-pressure common rail pump body end face machining tool according to claim 7 or 8, characterized in that: the second clamping cylinders (8) surround the second mounting seat (13) and are uniformly distributed at intervals, and the second clamping cylinders (8) are corner cylinders.

10. The high-pressure common rail pump body end face machining tool according to claim 1, characterized in that: the upper side of the first positioning pin (11) is provided with a pressing plate at intervals, and the pressing plate is detachably connected with the first positioning pin (11) through a bolt.