阅读说明：本技术 一种油压千斤顶滚压去泵芯快口的加工工艺 (Machining process for removing pump core quick opening of oil jack in rolling mode ) 是由 傅勇刚 夏吉祥 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种油压千斤顶滚压去泵芯快口的加工工艺,具体包括以下步骤：S1、将板料下料成型为泵芯,泵芯的端部挤压成型有环形槽口；S2、将泵芯插入机床的工装夹具中,环形槽口位于工装夹具的外侧；S3、取两个滚压刀具分别一一对准同一个环形槽口内部两侧的内壁,将两个滚压刀具同步进给到环形槽口的内部,工装夹具带动泵芯进行转动,两个滚压刀具同时对环形槽口内部两侧的内壁进行滚压打磨,本发明提高了泵芯环形槽口打磨的完整性。(The invention discloses a processing technology for removing a pump core quick opening of an oil jack by rolling, which specifically comprises the following steps: s1, blanking the plate material to form a pump core, and extruding and forming the end part of the pump core into an annular notch; s2, inserting the pump core into a tool clamp of a machine tool, wherein the annular notch is positioned on the outer side of the tool clamp; s3, aligning two rolling cutters to the inner walls of two sides of the inner portion of the same annular notch one by one, synchronously feeding the two rolling cutters into the annular notch, driving the pump core to rotate by the tool clamp, and simultaneously rolling and polishing the inner walls of the two sides of the inner portion of the annular notch by the two rolling cutters.)

1. The utility model provides a processing technology that oil jack roll extrusion was gone fast mouthful of pump core which characterized in that: the method specifically comprises the following steps:

s1, blanking a plate material to form a pump core (1), and extruding and forming an annular notch (11) at the end part of the pump core (1);

s2, inserting the pump core (1) into a tool clamp of a machine tool, wherein the annular notch (11) is positioned on the outer side of the tool clamp;

s3, taking two rolling cutters (2) to respectively align to the inner walls of two sides of the inside of the same annular notch (11), synchronously feeding the two rolling cutters (2) into the annular notch (11), driving the pump core (1) to rotate by a tool clamp, and simultaneously rolling and polishing the inner walls of the two sides of the inside of the annular notch (11) by the two rolling cutters (2);

roll extrusion cutter (2) are including blade holder (21) and roll extrusion sword (22), the inside of blade holder (21) is equipped with the mounting groove (3) of roll extrusion sword (22), the inside of mounting groove (3) is equipped with rotatable bull stick (31), be formed with movable region (32) on bull stick (31), but roll extrusion sword (22) horizontal slip's setting is in on movable region (32), wherein one side of movable region (32) is fixed with calibration plate (4), calibration plate (4) with roll extrusion sword (22) are in the inner wall of annular groove mouth (11) inside roll extrusion polishing is leveled mutually, the opposite side of movable region (32) is equipped with limiting plate (5), limiting plate (5) are kept away from another inner wall of annular groove mouth (11) inside just is located the inside of mounting groove (3).

2. The process for machining the quick opening of the pump core of the oil jack by rolling according to claim 1, wherein the process comprises the following steps: in the step S2, the lubricant is sprayed inside the annular notch (11).

3. The process for machining the quick opening of the pump core of the oil jack by rolling according to claim 1, wherein the process comprises the following steps: in step S3, the feed of the rolling tool (2) inside the annular slot (11) is 0.3cm to 0.5 cm.

4. The process of claim 1, wherein the process comprises: the width of the annular notch (11) is larger than the distance between the calibration plate (4) and the limiting plate (5) and is larger than half of the width of the annular notch (11).

5. The process for machining the quick opening of the pump core of the oil jack by rolling according to claim 1, wherein the process comprises the following steps: roll and press sword (22) including the horizontal slip setting be in movable block (221), connection on movable block (32) are in connecting block (222) of movable block (221) tip and be used for polishing blade (223) of annular notch (11) inner wall, the side of movable block (221) with the side of blade (223) aligns each other, the side of movable block (221) with when alignment board (4) are contradicted, blade (223) are contradicted on the inner wall that annular notch (11) need be polished, one of them side of connecting block (222) is equipped with and connects face (102), connect face (102) with the polished surface homonymy of blade (223) sets up and is located all the time the outside of alignment board (4), connect face (102) with the junction of blade (223) is equipped with arc knife face (101), knife face arc (101) with the junction of blade (223) with the terminal surface of annular notch (11) aligns.

The technical field is as follows:

the invention relates to the technical field of production of oil jacks, in particular to a processing technology for removing a pump core quick opening of an oil jack in a rolling manner.

Background art:

the jack is generally divided into a vertical jack and a horizontal jack, the jack is provided with a plurality of parts for meeting the work requirement, for the horizontal jack, a pump core is a very key part in the horizontal jack, when the jack works, the pump core is usually ejected for oil pumping, and the sealing performance of the pump core is particularly important in the ejection process of the pump core.

In the prior art, in order to ensure the sealing performance of the pump core, a sealing ring is usually added on an annular notch at the end part of the pump core, however, in the production process of the pump core, the annular notch of the pump core has a fast opening after being machined, the sealing ring is easy to scratch, which leads to the reduction of the sealing performance of the sealing ring and influences the oiling work of the pump core, in view of the above, many enterprises adopt a rolling tool to polish the inside of the annular notch so as to achieve the purpose of removing the fast opening, however, in the polishing process of the rolling tool in the inside of the annular notch, certain abrasion can occur on the inner side wall of the annular notch, which leads to a certain gap between the rolling tool and the inner side wall of the annular notch, thereby leading to the fact that the rolling tool is difficult to consider two inner side walls of the annular notch simultaneously, which affects the polishing effect of the rolling tool on the annular notch, and secondly, after the polishing of the inner side wall of the annular notch is completed, and the right angle at the end part of the annular notch is required to be polished into an obtuse angle, so that the machining efficiency is low.

The invention content is as follows:

the invention aims to provide a processing technology for removing a pump core quick opening of an oil jack by rolling, which solves one or more of the problems in the prior art.

In order to solve the technical problems, the innovation points of the invention are as follows: the method specifically comprises the following steps: s1, blanking the plate material to form a pump core, and extruding and forming the end part of the pump core into an annular notch;

s2, inserting the pump core into a tool clamp of a machine tool, wherein the annular notch is positioned on the outer side of the tool clamp;

s3, taking two rolling cutters to respectively align to the inner walls of the two sides of the inside of the same annular notch one by one, synchronously feeding the two rolling cutters into the inside of the annular notch, driving the pump core to rotate by the tool clamp, and simultaneously rolling and polishing the inner walls of the two sides of the inside of the annular notch by the two rolling cutters.

Further, in step S2, spraying of the lubricating oil is performed inside the annular notch.

Further, in step S3, the feeding amount of the rolling cutter inside the annular notch is 0.3cm to 0.5 cm.

Further, above-mentioned rolling cutter includes blade holder and rolling sword, the inside of blade holder is equipped with the mounting groove of rolling sword, the inside of mounting groove is equipped with rotatable bull stick, be formed with the active area on the bull stick, rolling sword horizontal slip's setting is on the active area, one of them side of active area is fixed with the calibration plate, the inner wall that calibration plate and rolling sword ground at the inside roll extrusion of annular notch is neat mutually, the opposite side of active area is equipped with the limiting plate, another inner wall of annular notch inside is kept away from to the limiting plate and is located the inside of mounting groove.

Further, the width of the annular notch is larger than the distance between the calibration plate and the limit plate and is larger than half of the width of the annular notch.

Further, the roll extrusion sword includes that the horizontal slip sets up the movable block on the active area, connect the connecting block at the movable block tip and be used for polishing the blade of annular notch inner wall, the side of movable block and the side of blade align each other, when the side of movable block and calibration plate conflict, the blade conflict is on the inner wall that annular notch needs to be polished, one of them side of connecting block is equipped with the connection face, it sets up and lies in the outside of calibration plate all the time to connect the face of polishing homonymy of face and blade, the junction of connecting face and blade is equipped with the arc knife face, the junction of arc knife face and blade aligns with the terminal surface of annular notch.

The invention has the beneficial effects that:

1. the invention provides a machining process for removing a pump core quick opening of an oil jack in a rolling manner.

2. The invention provides a processing technology for removing a pump core quick opening of an oil jack in a rolling way.

3. The invention provides a processing technology for a quick port of an oil jack for removing a pump core through rolling, wherein two rolling cutters roll and polish the inside of an annular notch from two sides of the annular notch, the distance between a calibration plate and a limiting plate is the moving range of the rolling cutters in the annular notch, and at the moment, the distance between the calibration plate and the limiting plate is set so that the polishing positions of the rolling cutters in the annular notch can be overlapped to a certain extent, so that the rolling cutters can polish the inside of the annular notch completely.

4. The invention provides a processing technology for removing a pump core quick opening by rolling of an oil jack.

Description of the drawings:

FIG. 1 is a top cross-sectional view of the rolling tool of the present invention grinding on an annular rebate.

The specific implementation mode is as follows:

for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Fig. 1 shows a specific embodiment of the present invention, which specifically includes the following steps: s1, blanking the plate material to form the pump core 1, and extruding and forming the end part of the pump core 1 into an annular notch 11;

s2, inserting the pump core 1 into a tool clamp of a machine tool, wherein the annular notch 11 is positioned on the outer side of the tool clamp;

s3, taking two rolling cutters 2 to respectively align to the inner walls of the two sides inside the same annular notch 11 one by one, synchronously feeding the two rolling cutters 2 into the annular notch 11, driving the pump core 1 to rotate by the tool clamp, and simultaneously rolling and polishing the inner walls of the two sides inside the annular notch 11 by the two rolling cutters 2.

In the invention, in the process of driving the pump core 1 to rotate by the tool fixture, two rolling cutters 2 are used for respectively rolling and polishing two inner side walls of the annular notch 11, and the two rolling cutters 2 are used for polishing the two inner side walls of the annular notch 11 in a one-to-one correspondence mode, so that the polishing integrity of the annular notch 11 is improved.

In the present invention, it is preferable that the lubricating oil is sprayed inside the annular notch 11 in step S2, and the spraying of the lubricating oil on the annular notch 11 can reduce the friction between the rolling cutter 2 and the annular notch 11, thereby protecting the annular notch 11.

In the present invention, it is preferable that the feeding amount of the rolling cutter 2 inside the annular notch 11 is 0.3cm to 0.5cm in step S3.

In the present invention, as a preferred scheme, the rolling cutter 2 includes a cutter holder 21 and a rolling cutter 22, an installation groove 3 of the rolling cutter 22 is provided inside the cutter holder 21, a rotatable rotating rod 31 is provided inside the installation groove 3, an active area 32 is formed on the rotating rod 31, the rolling cutter 22 is slidably provided on the active area 32 from side to side, a calibration plate 4 is fixed on one side of the active area 32, the calibration plate 4 and the rolling cutter 22 have flush inner walls that are rolled and polished inside the annular notch 11, a limit plate 5 is provided on the other side of the active area 32, and the limit plate 5 is away from the other inner wall inside the annular notch 11 and is located inside the installation groove 3.

In the present invention, the working principle of the rolling tool 2 is as follows: when aligning rolling sword 22 and annular notch 11, use calibration plate 4 as the datum line, the inner wall that the inside roll extrusion of annular notch 11 was polished aligns with calibration plate 4, thereby ensure the accuracy of rolling sword 22 at the inside position of polishing of annular notch 11, secondly, rolling sword 22 is at the inside in-process of polishing of annular notch 11, rolling sword 22 is free activity between calibration plate 4 and limiting plate 5 all the time, this kind of free activity can be according to the rotation of pump core 1, thereby carry out the self-adaptation to the position inside annular notch 11 and polish.

In the present invention, it is preferable that the width of the annular notch 11 is greater than a distance between the calibration plate 4 and the limit plate 5 by more than half of the width of the annular notch 11.

In the invention, the two rolling cutters 2 roll and polish the inside of the annular notch 11 from two sides of the annular notch 11, the distance between the calibration plate 4 and the limiting plate 5 is the moving range of the rolling cutter 22 in the annular notch 11, and at the moment, the distance between the calibration plate 4 and the limiting plate 5 is set so that the polishing positions of the rolling cutter 22 in the annular notch 11 can be overlapped to a certain extent, thereby ensuring that the rolling cutter 22 can completely polish the inside of the annular notch 11.

In the invention, the rolling cutter 22 comprises a movable block 221 arranged on the movable area 32 in a left-right sliding manner, a connecting block 222 connected to the end part of the movable block 221 and a blade 223 used for polishing the inner wall of the annular notch 11, the side surface of the movable block 221 and the side surface of the blade 223 are aligned with each other, when the side surface of the movable block 221 is abutted against the calibration plate 4, the blade 223 is abutted against the inner wall of the annular notch 11 to be polished, one side surface of the connecting block 222 is provided with a connecting surface 102, the connecting surface 102 and the polished surface of the blade 223 are arranged on the same side and are always positioned on the outer side of the calibration plate 4, the connecting surface 102 and the blade 223 are provided with an arc cutter surface 101, and the connecting part of the arc cutter surface 101 and the blade 223 is aligned with the end surface of the annular notch 11.

In the invention, in the process of polishing the inner wall of the annular notch 11 by the rolling cutter 22, the side surface of the movable block 221 and the side surface of the blade 223 are arranged in an aligned manner, so that when the movable block 221 is abutted against the calibration plate 4, the side surface of the blade 223 can polish the inner wall of the annular notch 11, and meanwhile, the connecting part of the arc-shaped cutter surface 101 and the blade 233 can polish the end surface of the annular notch 11, so that the end surface of the annular notch 11 forms an arc-shaped obtuse angle, and further, the right-angle scratch of the end surface of the subsequent annular notch 11 can be avoided.

The rolling cutter 22 provided by the invention can not only polish the inner wall of the annular notch 11, but also polish the end part of the annular notch 11, thereby improving the processing efficiency of polishing the annular notch 11.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.