阅读说明：本技术 一种零毛刺吸盘的加工工艺 (Processing technology of zero-burr sucker ) 是由 朱轩 焦飞 鲁银超 余超 王凯蓝 于 2021-10-23 设计创作，主要内容包括：本发明公开了一种零毛刺吸盘的加工工艺,涉及机械加工技术领域,旨在解决真空吸盘在加工过程出现毛刺影响吸盘使用精度的问题。其技术方案要点是：包括如下步骤：步骤一,将一块铸件板放置在数控加工中心的工作台上并压紧,将铸件板的一侧端面正对刀具；步骤二,将铸件板正对刀具的端面利用数控加工中心的铣削加工铣削为靠近出气端的第一端面。本发明通过加工工艺的设置解决了真空吸盘在加工过程中容易出现毛刺的现象,进而可以生产出精度更高的高性能吸盘。(The invention discloses a processing technology of a zero-burr sucker, relates to the technical field of machining, and aims to solve the problem that burrs occur in the processing process of a vacuum sucker to influence the use precision of the sucker. The key points of the technical scheme are as follows: the method comprises the following steps: placing a casting plate on a workbench of a numerical control machining center and pressing the casting plate tightly, wherein one side end face of the casting plate is opposite to a cutter; and secondly, milling the end surface of the casting plate aligning tool into a first end surface close to the gas outlet end by utilizing milling processing of a numerical control processing center. The invention solves the problem that the vacuum sucker is easy to generate burrs in the processing process through the arrangement of the processing technology, and further can produce the high-performance sucker with higher precision.)

1. The processing technology of the zero-burr sucker is characterized in that: the method comprises the following steps:

placing a casting plate (1) on a workbench of a numerical control machining center and pressing the casting plate, wherein one side end face of the casting plate (1) is opposite to a cutter;

secondly, milling the end face, facing the cutter, of the casting plate (1) into a first end face (2) close to the gas outlet end by utilizing milling processing of a numerical control processing center;

taking down the casting plate (1), attaching and pressing the first end face (2) to a workbench of a numerical control machining center, and milling a second end face (3) close to the air inlet end on the casting plate (1) by utilizing milling machining of the numerical control machining center;

milling two opposite side walls of the casting plate (1) into first side walls (4) by utilizing milling of a numerical control machining center;

step five, milling the two remaining opposite side walls of the casting plate (1) into second side walls (5) by utilizing milling of a numerical control machining center;

sixthly, the second end face (3) is attached to and fixed with a workbench of a numerical control machining center, and the outer sealing groove (6) is milled on the first end face (2) by utilizing milling machining of the numerical control machining center;

seventhly, milling the inner sealing groove (7) at the center of the inner bottom surface of the outer sealing groove (6) by using milling of a numerical control machining center;

eighthly, milling an air outlet groove (8) at the center of the inner bottom surface of the inner sealing groove (7) by using milling of a numerical control machining center, wherein the air outlet groove (8) is communicated with the outer sealing groove (6);

fixing the first side wall (4) with a workbench of a numerical control machining center, and machining a plurality of flow guide through holes (9) communicated with the air outlet groove (8) on the second side wall (5) by utilizing drilling of the numerical control machining center;

step ten, penetrating a metal rod (10) into the flow guide through hole (9), and attaching the outer peripheral wall of the metal rod (10) to the inner peripheral wall of the flow guide through hole (9);

step eleven, fixing the first end face (2) with a workbench of a numerical control machining center, and milling a plurality of station grooves (11) on the second end face (3) by utilizing milling machining of the numerical control machining center;

step twelve, drilling and processing an air inlet hole (12) on the inner bottom surface of the station groove (11) by using a numerical control processing center, wherein the air inlet hole (12) is communicated with the flow guide through hole (9), and the head of a cutter penetrates into the metal rod (10) in the process of drilling the air inlet hole (12);

and step thirteen, taking out the metal rod (10) in the flow guide through hole (9).

2. The machining process of the zero-burr sucker as claimed in claim 1, wherein the machining process comprises the following steps: before the step ten, the surface of the metal rod (10) is inspected to ensure that the surface of the metal rod (10) is smooth and burr-free.

3. The machining process of the zero-burr sucker as claimed in claim 1, wherein the machining process comprises the following steps: two symmetrical taking-out grooves (13) are formed in two side walls of the station groove (11) in the length direction, and the groove depth of each taking-out groove (13) is equal to that of the station groove (11).

4. The machining process of the zero-burr sucker as claimed in claim 1, wherein the machining process comprises the following steps: in the thirteen step, a taking-out rod with the same diameter as the metal rod (10) is abutted against the side wall of the metal rod (10), and the metal rod (10) is taken out from the flow guide hole (9) by tapping the taking-out rod with a rubber hammer.

5. The machining process of the zero-burr sucker as claimed in claim 1, wherein the machining process comprises the following steps: fourteen, spraying antirust oil on the finished casting plate (1).

Technical Field

The invention relates to the technical field of machining, in particular to a machining process of a zero-burr sucker.

Background

The sucking disc can be divided into magnetic chuck according to its principle, vacuum chuck and electrostatic chuck etc, the sucking disc is used for carrying article usually and acts as the frock clamp of part, application in industrial production is very general, vacuum chuck is one kind and maintains two objects through vacuum and adhere to inseparable technique, act as the centre gripping frock of thin wall or high accuracy work piece usually, vacuum chuck exhausts at its end of giving vent to anger usually, make vacuum chuck's the end of giving vent to anger form subatmospheric pressure, make the pressure that subatmospheric pressure produced can use vacuum chuck's inlet end under the water conservancy diversion effect of water conservancy diversion passageway in vacuum chuck, make the air in the inlet end outside flow towards vacuum chuck and realize compressing tightly the work piece.

The precision of the product is removed from the influence of the processing precision of the equipment, and the product is also related to the positioning and clamping process of a clamping tool, the existing vacuum chuck aims to improve the efficiency of processing production, a plurality of station grooves are usually arranged at the air outlet end of the vacuum chuck, an air inlet communicated with the air inlet end can be formed on the inner bottom surface of each station groove, under the condition that the negative air pressure at the air outlet end is fixed, the size of acting force for pressing a workpiece in each station groove is determined by the air inlet, the air inlet is formed by feeding and processing a drill bit from the inner bottom surface of each station groove to one side of a flow guide channel through a numerical control processing center, and therefore burrs penetrating into the flow guide channel are usually formed at the communication position of the air inlet and the flow guide channel.

The existence of burrs generally influences the flowing process of air flow between the air inlet holes and the flow guide channel, the quantity and the size of the burrs positioned on different air inlet holes are different, so that the phenomenon of different pressing acting forces can be caused in different station grooves, the environments of workpieces in different station grooves in the processing process are different, and the workpieces on the same sucker have different processing qualities, so that the burrs positioned between the air inlet holes and the flow guide channel need to be removed, the burrs are removed in a traditional mode generally in an acid pickling mode, the mode achieves the effect of removing the burrs, but the whole vacuum sucker needs to be immersed into acid pickling solution during acid pickling, the acid pickling solution can corrode the whole vacuum sucker, meanwhile, the concentration of the acid pickling solution and the acid pickling time need to be strictly controlled during acid pickling, but the concentration of the acid pickling solution is constantly changed during acid pickling, meanwhile, the absolute accuracy of time control is difficult to achieve in acid cleaning, the difference of the machining size of the vacuum chuck is too large due to carelessness, the vacuum chuck cannot meet the machining requirement of high-precision parts, the vacuum chuck is scrapped, materials of the vacuum chuck are wasted, a large number of processes, time and labor cost are wasted, and therefore a new method is necessary for solving the problem that burrs occur in the machining process of the vacuum chuck to influence the use accuracy of the chuck.

The present invention proposes a new technical solution to solve the above technical problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a processing technology of a zero-burr sucker, and the purpose that burrs occur in the processing process of a vacuum sucker to influence the use precision of the sucker is achieved through the arrangement of the processing technology.

The technical purpose of the invention is realized by the following technical scheme: a processing technology of a zero-burr sucker comprises the following steps:

placing a casting plate on a workbench of a numerical control machining center and pressing the casting plate tightly, wherein one side end face of the casting plate is opposite to a cutter;

milling the end surface of the casting plate aligning tool into a first end surface close to the gas outlet end by using milling processing of a numerical control processing center;

taking down the casting plate, attaching and pressing the first end surface to a workbench of a numerical control machining center, and milling a second end surface close to the air inlet end on the casting plate by utilizing milling machining of the numerical control machining center;

milling two opposite side walls of the casting plate into first side walls by utilizing milling of a numerical control machining center;

milling the two remaining opposite side walls of the casting plate into second side walls by utilizing milling of a numerical control machining center;

sixthly, the second end face is attached to and fixed with a workbench of a numerical control machining center, and the outer sealing groove is milled on the first end face by utilizing milling machining of the numerical control machining center;

step seven, milling the inner sealing groove at the center of the inner bottom surface of the outer sealing groove by using milling of a numerical control machining center;

step eight, milling an air outlet groove at the center of the inner bottom surface of the inner sealing groove by using milling of a numerical control machining center, wherein the air outlet groove is communicated with the outer sealing groove;

fixing the first side wall and a workbench of a numerical control machining center, and machining a plurality of flow guide through holes communicated with the air outlet groove on the second side wall by utilizing the drilling machining of the numerical control machining center;

step ten, penetrating a metal rod into the flow guide through hole, and attaching the outer peripheral wall of the metal rod to the inner peripheral wall of the flow guide through hole;

step eleven, fixing the first end face with a workbench of a numerical control machining center, and milling a plurality of station grooves on the second end face by utilizing milling machining of the numerical control machining center;

step twelve, drilling and processing an air inlet hole on the inner bottom surface of the station groove by using a numerical control processing center, wherein the air inlet hole is communicated with the flow guide through hole, and the head of the cutter penetrates into the metal rod in the process of drilling the air inlet hole;

and step thirteen, taking out the metal rod in the flow guide hole.

By adopting the technical scheme, the casting plate is compacted through the first step, the stable realization of the process of milling the first end face in the second step is ensured, the smooth surface of the first end face milled in the second step can be utilized in the third step, the smooth surface of the milled second end face is ensured, the first side wall milled in the fourth step is used for positioning the milling process of the second side wall in the fifth step, the precision of the milled second side wall is ensured, the precision of the diversion through hole drilled in the ninth step is further ensured, the stable sealing of the inner sealing groove milled in the seventh step is realized by the outer sealing groove milled in the sixth step, the stable sealing of the air outlet groove milled in the eighth step is realized by the inner sealing groove milled in the seventh step, the stable air outlet process of the air outlet groove is further ensured, the sixth step, the seventh step and the eighth step are arranged at the front end of the ninth step, chips generated in the milling process in the eighth step can be prevented from falling into the diversion through hole, the flow guide through holes drilled in the step nine are used for transmitting the suction force existing in the air outlet groove to all positions of the casting plate to ensure that a finished product sucker can absorb more parts, and meanwhile, scrap iron generated in the air inlet hole machining process in the step eleven can be collected by utilizing the flow guide through holes to ensure the stability of the size of the machined air inlet hole, in the step ten, the metal rod is inserted into the flow guide through holes and is attached to the inner peripheral wall of the flow guide through holes, the support for the flow guide through holes is realized by utilizing the strength of the metal rod, further, the influence on the machining precision of the subsequent step eleven and the step twelve due to the deformation of the casting plate is avoided in the subsequent machining processes of the step eleven and the step twelve, the step eleven is arranged in front of the step twelve, and the blockage of the air inlet hole caused by the waste scraps generated in the machining process of the station groove in the step eleven can be avoided, the station groove realizes that the stability of placing the work piece is spacing, ensure that the sucking disc is spacing and place the stability of work piece effect, step twelve sets up the cutter head to the process that penetrates in the metal pole, make also can appear on the metal pole with the hole of inlet port central line coincidence, make the burr part that the inlet port rotatory in-process produced move down to the metal pole on, when the cutter takes out in from the inlet port, at the in-process of step thirteen, when the metal pole is taken out from the guiding through hole gradually, the metal pole can strike off the burr of inlet port and guiding through hole junction, the process that the air inlet pipe was admitted air is influenced to the air outlet department of avoiding the inlet port has the burr, effectively ensure the holistic use accuracy of sucking disc.

The invention is further configured to: the surface of the metal rod is inspected before step ten to ensure that the surface of the metal rod is smooth and burr-free.

By adopting the technical scheme, the stability of the surface quality of the metal rod is ensured, and the influence of burrs on the inner wall of the flow guide through hole on the surface of the metal rod on the overall precision of the sucker is avoided.

The invention is further configured to: two symmetrical taking-out grooves are formed in two side walls in the length direction of the station groove, and the depth of each taking-out groove is equal to that of the station groove.

By adopting the technical scheme, the provided taking-out groove conveniently extends the clamp into the station groove to realize stable clamping of the placed workpiece, so that the taking and placing process of the workpiece becomes more stable, the damage to the workpiece in the taking and placing process of the workpiece is reduced, and the production precision and the production quality of the workpiece are improved.

The invention is further configured to: in the thirteenth step, a take-out rod with the same diameter as the metal rod is abutted against the side wall of the metal rod, and the metal rod is taken out from the flow guide hole by tapping the take-out rod with a rubber hammer.

Through adopting above-mentioned technical scheme, utilize the rubber hammer to strike the little characteristics of vibration that take out the pole and have, reduce the vibration that the metal pole took out the process, ensure that the metal pole is smooth and easy from the downthehole steady of taking out process of conduction flow, ensure that the metal pole strikes off the stability of the downthehole burr of conduction flow, improve the overall quality of finished product sucking disc.

The invention is further configured to: and step fourteen, spraying antirust oil on the processed casting plate.

By adopting the technical scheme, the stable protection of the processed casting plate is realized by utilizing the antirust performance of the antirust oil, and the integral precision of the finished sucking disc is prevented from being influenced by the rust.

In conclusion, the invention has the following beneficial effects:

the periphery wall and the inner peripheral wall of the flow guide through hole through the metal rod are offset, the burrs at the joint of the air inlet hole and the flow guide through hole can be moved into a drilled hole in the metal rod when the air inlet hole is machined, the quantity of the burrs at the joint of the air inlet hole and the flow guide through hole is reduced, the influence of the burrs at the air outlet of the air inlet hole on the air inlet function of the air inlet hole can be reduced, the metal rod is taken out from the inside of the flow guide through hole, the burrs at the position of the air inlet hole and the position of the flow guide through hole can be scraped in the process that the metal rod is taken out from the inside of the flow guide through hole, and the influence of the burrs generated by the air inlet hole and the flow guide through hole in the machining process on the overall adsorption effect of the sucker can be reduced.

Drawings

FIG. 1 is a first schematic structural view of a cast plate machined in steps one through five according to the present invention;

FIG. 2 is a second schematic structural view of a cast slab of the present invention produced by steps one through five;

FIG. 3 is a schematic structural view of a cast slab after completion of step six of the present invention;

FIG. 4 is a schematic structural view of a cast slab after completion of step seven of the present invention;

FIG. 5 is a schematic structural view of a cast slab after completion of step eight of the present invention;

FIG. 6 is a schematic structural view of a cast slab after completion of step nine of the present invention;

FIG. 7 is a schematic structural view of a cast slab after completion of step ten of the present invention;

FIG. 8 is a schematic structural view of a cast slab after completion of step eleven of the present invention;

FIG. 9 is a schematic structural view of a cast slab after completion of step twelve of the present invention;

fig. 10 is a schematic structural view of a cast plate after completion of step thirteen of the present invention.

In the figure: 1. a casting plate; 2. a first end face; 3. a second end face; 4. a first side wall; 5. a second side wall; 6. an outer seal groove; 7. an inner seal groove; 8. an air outlet groove; 9. a flow guide through hole; 10. a metal rod; 11. a station groove; 12. an air inlet; 13. and taking out the groove.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

A processing technology of a zero-burr sucker is shown in figures 1 and 2 and comprises the following steps: the method comprises the following steps that firstly, a casting plate 1 is placed on a workbench of a numerical control machining center, a tool fixture is used for completing the positioning and clamping processes of the casting plate 1, the casting plate 1 is guaranteed to be kept at a stable position in the machining process through the positioning and clamping of the casting plate 1, the machining process and the machining quality of the casting plate 1 are guaranteed to be stable, and one side end face of the casting plate 1 is opposite to a cutter.

As shown in fig. 1 and 2, in the second step, milling the end surface of the casting plate 1, which faces the tool, into a first end surface 2 close to the gas outlet end by using milling of a numerical control machining center; and step three, taking down the casting plate 1, attaching and pressing the first end surface 2 to a workbench of a numerical control machining center, milling a second end surface 3 close to the air inlet end on the casting plate 1 by utilizing milling of the numerical control machining center, wherein the milled first end surface 2 is used as a positioning surface in the machining process of the second end surface 3, so that the machined second end surface 3 is ensured to have better precision, further the air inlet end is ensured to be contacted with a workpiece, stable adsorption of the workpiece to be adsorbed can be better realized, and the produced sucker is ensured to have better precision.

As shown in fig. 1 and 2, in step four, milling two opposite side walls of the casting plate 1 into first side walls 4 by using milling of a numerical control machining center; and step five, milling the two remaining opposite side walls of the casting plate 1 into second side walls 5 by using milling of a numerical control machining center, and using the milled first side walls 4 as positioning surfaces in the machining process of the second side walls 5, so that the machined second side walls 5 are higher in precision, and further the machining process with higher precision can be performed on the second side walls 5.

As shown in fig. 3-6, in a sixth step, the second end surface 3 is attached to and fixed on a workbench of a numerical control machining center, and the outer sealing groove 6 is milled on the first end surface 2 by milling of the numerical control machining center; and seventhly, milling the inner sealing groove 7 at the center of the inner bottom surface of the outer sealing groove 6 by using milling of a numerical control machining center, and leading air pressure generated by the air suction joint to be better introduced into the suction cup when the suction cup is integrally communicated with the air suction joint by using the outer sealing groove 6 and the inner sealing groove 7 which are sequentially arranged from outside to inside so as to ensure that the suction cup can stably adsorb the workpiece.

As shown in fig. 3-6, in step eight, milling the air outlet groove 8 at the center of the inner bottom surface of the inner seal groove 7 by using milling of a numerical control machining center, wherein the air outlet groove 8 is communicated with the outer seal groove 6; step nine, fix the first sidewall 4 with the workstation of the numerical control machining center, utilize the drilling of numerical control machining center to process out a plurality of water conservancy diversion through-holes 9 with the intercommunication of gas outlet tank 8 on the second sidewall 5, can communicate a plurality of water conservancy diversion through-holes 9 through the gas outlet tank 8 that sets up, ensure that the pressure differential that the end of giving vent to anger produced can be used in a plurality of water conservancy diversion through-holes 9 better, under the effect of water conservancy diversion through-hole 9 water conservancy diversion, make the pressure differential that the end of giving vent to anger produce can use each position of sucking disc, make the sucking disc can realize the stable absorption to a plurality of work pieces, reduce the change number of times of waiting to process the part on the sucking disc, clamping alright carry out many times's processing operation, effectively improve the machining efficiency who adsorbs the work piece on the sucking disc.

As shown in fig. 7-10, step ten, a metal rod 10 penetrates into the flow guide through hole 9, the surface of the metal rod 10 is checked before step ten, it is ensured that the surface of the metal rod 10 is smooth and burr-free, the flow guide through hole 9 is prevented from being scratched by burrs existing on the surface of the metal rod 10, the metal rod 10 is made of a copper material, the outer peripheral wall of the metal rod 10 is attached to the inner peripheral wall of the flow guide through hole 9, the support of the inner peripheral wall of the flow guide through hole 9 is realized by utilizing the attachment of the outer peripheral wall of the metal rod 10 to the inner peripheral wall of the flow guide through hole 9, the overall strength of the casting plate 1 is further enhanced, the weakening of the opening of the flow guide through hole 9 to the strength of the casting plate 1 is reduced, and the influence on the overall precision of the suction cup due to slight deformation of the casting plate 1 in the subsequent processing process is reduced; step eleven, fixing the first end face 2 and a workbench of a numerical control machining center, milling a plurality of station grooves 11 on the second end face 3 by using milling of the numerical control machining center, forming two symmetrical taking-out grooves 13 on two side walls in the length direction of the station grooves 11 by using milling of the numerical control machining center, wherein the groove depth of the taking-out grooves 13 is equal to that of the station grooves 11, the forming of the taking-out grooves 13 is used for facilitating a clamp to penetrate into the station grooves 11 to stably clamp a workpiece, the production precision of the produced workpiece is effectively improved, the arranged station grooves 11 are used for stably placing the part to be machined, stable limiting of the workpiece to be machined is realized, and the machining quality of the workpiece to be machined is effectively ensured.

As shown in fig. 7-10, in the twelfth step, an air inlet hole 12 is formed on the inner bottom surface of the station groove 11 by drilling processing of a numerical control processing center, the air inlet hole 12 is communicated with the diversion through hole 9, the formed air inlet hole 12 is communicated with the station groove 11 and the diversion through hole 9, so that the air pressure difference generated at the air outlet groove 8 can act on the station groove 11, stable adsorption of the workpiece in the station groove 11 is realized, the stable proceeding of the processing process of the workpiece to be processed is ensured, the head of the cutter penetrates into the metal rod 10 in the process of drilling the air inlet hole 12, the process is arranged in the process of drilling the air inlet hole 12, the burr part formed at the joint of the air inlet hole 12 and the diversion through hole 9 is moved into the drilled hole in the metal rod 10, the influence of the burr at the joint of the air inlet hole 12 and the diversion through hole 9 on the air inlet hole 12 is reduced, and the soft characteristic of the copper metal is utilized, the drill bit can generate slight vibration in the process of machining on the metal rod 10, the influence of the vibration generated in the process of drilling the metal rod 10 on the precision of the air inlet hole 12 is reduced, the precision of the machined air inlet hole 12 is higher, and the overall adsorption performance of the sucker is effectively improved.

As shown in fig. 7 to 10, in a thirteenth step, the metal rod 10 in the flow guide through hole 9 is taken out. In the thirteenth step, the taking-out rod with the same diameter as the metal rod 10 is abutted against the side wall of the metal rod 10, the taking-out rod is set to be a copper rod, the copper rod is used for reducing the vibration generated in the taking-out process of the metal rod 10 compared with various metals, so that the stability of the taking-out process of the metal rod 10 is effectively improved, the influence of the vibration of the metal rod 10 on the precision of the sucker is reduced, the rubber hammer is used for tapping the taking-out rod to take out the metal rod 10 from the flow guide hole 9, the rubber hammer has the characteristic of small and stable vibration when impacting the taking-out rod to further ensure the stability and smoothness of the taking-out process of the metal rod 10, in the process of taking out the metal rod 10 from the flow guide hole 9, the residual burrs at the joint of the air inlet hole 12 and the flow guide hole 9 are scraped through the interference of the metal rod 10 with the air inlet hole 12 and the flow guide hole 9, so as to further reduce the burr amount at the air outlet end of the air inlet hole 12, the influence of burrs on the air inlet process of the air inlet hole 12 is reduced, the air inlet process of the air inlet hole 12 is ensured to be stable and smooth, and the overall adsorption effect of the sucker is further ensured to be stable; fourteen, spraying anti-rust oil on the processed casting plate 1, and isolating the casting plate 1 from the external environment by using the anti-rust oil, thereby reducing the damage of the environment to the sucker.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.