Plane grinder for precision processing of molds

Abstract

The application relates to the technical field of surface grinding machines, and discloses a surface grinding machine for precision machining of molds, which comprises a mold supporting and fixing unit and a polishing and chip removing unit movably arranged on the mold supporting and fixing unit. When the fixed plate body is used to polish and process the mold, the gear is contacted with the rack in engagement and rotates, so that the generator is operated to generate electricity. The conductive copper sheet is contacted with the copper bar, the copper ring fixedly connected with the copper wire is arranged in the through slot and is contacted with the copper bar, so that the power generated by the generator can be transmitted to the electromagnet body. The waste chips generated by the polishing plate when moving to polish the surface of the mold are leaked into the lower chip collecting box seat through the leakage slot partition plate. When the electromagnet body moves in the lower chip collecting box seat, the waste chips in the lower chip collecting box seat are adsorbed, so that the waste chips generated by polishing can be conveniently removed, and the surface grinding machine can be self-powered and is more energy-saving.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surface grinding machine, in particular to a surface grinding machine for precise mold machining. BACKGROUND

[0002] Mold processing refers to the processing of forming and blanking tools, in addition to shear dies and die cutting dies. Generally, the mold has two parts of upper and lower molds. The steel plate is placed between the upper and lower molds, and the material is formed under the action of the press. When the press is opened, the workpiece determined by the shape of the mold or the corresponding waste material is obtained. The mold processing technology includes: cutting mold, blanking mold, composite mold, extrusion mold, four slide rail mold, progressive die, stamping die, die cutting die, etc.

[0003] The mold used for mold processing needs to be polished to ensure the flatness of the mold. However, the existing surface grinding machine for mold processing has poor flat polishing effect on the mold during polishing processing, and the polishing waste is not easy to clean. The transmission surface grinding machine mostly uses a motor to drive the grinding disc to polish the surface of the mold, and the machining precision of the mold is not high.

[0004] In view of the above problems, the present application provides a surface grinding machine for precise mold machining. SUMMARY

[0005] The purpose of the present application is to provide a surface grinding machine for precise mold machining, which comprises a mold support fixing unit and a polishing and scrap removing unit movably installed on the mold support fixing unit. When the fixed plate body is pushed to polish and process the mold, the gear is in contact with the rack and rotates, causing the generator to generate electricity. The conductive copper sheet is in contact with the copper bar, and the copper ring fixedly connected with the copper wire is arranged in the through slot and in contact with the copper bar. The power generated by the generator can be supplied to the electromagnet body. The waste generated by the polishing of the polishing plate on the surface of the mold is discharged into the lower scrap collecting box through the leakage slot partition plate. The electromagnet body moves in the lower scrap collecting box to adsorb the waste in the lower scrap collecting box, facilitating the removal of the polishing waste, and can supply power itself, saving energy. Thus, the problems in the background art are solved.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a surface grinding machine for precise mold machining, comprising a mold support fixing unit, a polishing and scrap removing unit movably installed on the mold support fixing unit, and a collecting mechanism arranged on one side of the mold support fixing unit. The mold support fixing unit comprises an upper fixed groove block and a lower scrap collecting box fixedly arranged at the lower end of the upper fixed groove block. A leakage slot partition plate is arranged at the connection between the upper fixed groove block and the lower scrap collecting box, and the polishing and scrap removing unit is installed on the upper fixed groove block.

[0007] The polishing and removing debris unit is provided with a moving grinding plate part and a connecting rod part fixedly welded on the side of the moving grinding plate part, the lower end of the connecting rod part is fixedly installed with a removing debris electromagnet, the removing debris electromagnet is arranged in the lower debris collecting box seat, and a rack is fixedly welded on the side of the lower debris collecting box seat;

[0008] The collecting mechanism comprises a side box arranged on one side of the mold support fixing unit, a short mouth pipe arranged on the outer surface of the side box, an access groove arranged on one side of the short mouth pipe, and a collecting bag arranged through the inside of the side box and the short mouth pipe, an external connecting pipe is arranged on the outer surface of the collecting bag, and one side of the upper fixed groove block part is provided with a vertical groove.

[0009] Further, a connecting block is fixedly installed on the outer surface of the side box, an electric push rod is arranged on the upper surface of the connecting block, one end of the electric push rod is connected with the inner wall of the vertical groove, a butt joint spring is arranged at the bottom of the side box, one end of the butt joint spring is provided with a magnetic disc, the other end of the butt joint spring is connected with the collecting bag, and the magnetic disc is magnetically connected with the bottom of the side box.

[0010] Further, the upper fixed groove block part is of an open one end and sealed one end structure, the groove body in the middle is a mold placing cavity, mounting grooves are arranged on both sides of the groove opening of the upper fixed groove block part, the mounting grooves comprise mounting groove openings arranged on both sides of the groove opening of the upper fixed groove block part and plug-in square grooves arranged at both ends in the inside of the mounting groove openings, fixed bolts are screw-installed on the side of the upper fixed groove block part, and one end of the fixed bolt extends into the plug-in square groove.

[0011] Further, one end of the lower debris collecting box seat is provided with a debris discharging opening, and through groove openings are arranged on both sides of the lower debris collecting box seat.

[0012] Further, the through groove opening on one side is provided with a copper sheet plug-in groove, and copper bars are fixedly installed on the upper and lower ends in the groove of the through groove opening, one end of the copper bar is arranged in the through groove opening, the other end of the copper bar is arranged in the copper sheet plug-in groove, and the length of the copper bar is less than the length of the through groove opening.

[0013] Further, the moving grinding plate part comprises a push type grinding plate part movably installed on a support guide column part, and the support guide column part is provided with two groups, and the support guide column parts of the two groups are movably installed in the mounting groove openings respectively;

[0014] The support guide column part comprises support blocks movably plugged into the plug-in square grooves and guide columns movably welded between the support blocks, and scale lines are engraved on the side of the support blocks;

[0015] The push type grinding plate part comprises fixed plate bodies provided with sleeving holes at both ends, the fixed plate bodies are movably installed on the guide columns through the fixed plate bodies, a push handle is fixedly installed on the upper end surface of the fixed plate body, and a polishing plate is fixedly installed on the lower end surface of the fixed plate body.

[0016] Further, the connecting rod comprises an extension column fixedly welded at one end of the side of the fixed plate body and a supporting rod arranged at the lower end of the extension column, and the lower end of the supporting rod is provided with a shaft column connector;

[0017] The supporting rod is provided with two groups, one group of the supporting rods is fixedly installed with a conductive copper sheet on the side, the conductive copper sheet is movably inserted into the copper sheet insertion slot and is in contact with the copper bar, a power generation unit is fixedly installed on the supporting rod installed with the conductive copper sheet, one side of the supporting rod is provided with a short-circuit slot, a supporting spring and a pushing rod are arranged in the short-circuit slot, one end of the supporting spring and the pushing rod is connected with the extension column, and the extension column is movably connected with the short-circuit slot.

[0018] Further, the power generation unit comprises a generator fixedly installed on the supporting rod and a gear fixedly installed on the shaft rod of the generator, the shaft rod of the generator is fixedly connected with the gear through the supporting rod, the gear is in meshing connection with a rack fixedly welded on the side of the lower chip collecting box seat, and the power transmission end of the generator is connected with the conductive copper sheet through a wire.

[0019] Further, the chip removing electromagnet comprises an electromagnet body and installation shaft heads fixedly welded at two ends of the electromagnet body, the electromagnet body comprises an iron core and a copper wire wound on the iron core.

[0020] Further, the installation shaft head comprises a connecting shaft column and a stop sheet fixedly welded at one end of the connecting shaft column, the other side of the stop sheet is fixedly welded with the iron core, the other end of the connecting shaft column is fixedly installed on the shaft column connector, the installation shaft head is provided with two groups, the connecting shaft column of one group of the installation shaft heads is fixedly sleeved with a copper ring, and the copper ring is fixedly connected with the copper wire wound on the iron core.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows:

[0022] 1. The plane grinding machine for precision machining of molds provided by the present application is characterized in that a side box is arranged on one side of the mold supporting and fixing unit, a short mouth pipe is arranged on the outer surface of the side box, a connecting groove is arranged on one side of the short mouth pipe, a collecting capsule is arranged inside the side box and the short mouth pipe, an external connecting pipe is arranged on the outer surface of the collecting capsule, a vertical groove is arranged on one side of the upper fixed groove block, a connecting block is fixedly installed on the outer surface of the side box, an electric push rod is arranged on the upper surface of the connecting block, one end of the electric push rod is connected with the inner wall of the vertical groove, a butt joint spring is arranged at the bottom of the side box, a magnetic disc is arranged at one end of the butt joint spring, the other end of the butt joint spring is connected with the collecting capsule, and the magnetic disc is magnetically connected with the bottom of the side box. When the waste chips after polishing come out from the chip outlet, the external connecting pipe is connected with the air pump to make the external connecting pipe generate air flow in the suction direction, so that the waste chips are absorbed, and in the process of absorption, the collecting capsule exposed at one end of the connecting groove will sink due to the increasing gravity, so that one end of the collecting capsule inside the side box will be shortened, and the magnetic disc and the inner wall of the side box will be separated from each other. When in the separated state, the staff is reminded to clean the waste chips in the collecting capsule in time, the waste chip cleaning quality is improved, and the leakage is reduced.

[0023] 2. The plane grinding machine for precision machining of molds provided by the present application is characterized in that a moving grinding plate is installed in the installation groove arranged on both sides of the upper fixed groove block, the support block of the moving grinding plate is movably inserted into the insertion square groove, the fixed plate body is movably installed on the guide column through the fixed plate body, the push handle is fixedly installed on the upper end surface of the fixed plate body, and the grinding plate is fixedly installed on the lower end surface of the fixed plate body. When the mold surface is polished and processed, the mold is placed in the mold placing cavity, the fixed plate body is moved on the guide column by pushing the push handle, the mold surface is polished and processed by the grinding plate at the lower end of the fixed plate body, the side surface of the support block is engraved with scale lines, the depth of the support block inserted into the insertion square groove can be controlled through the scale lines, the distance between the grinding plate and the mold surface can be conveniently and accurately controlled, the mold surface is polished and processed in whole when the grinding plate moves, the polishing effect is better, and the polishing is more accurate.

[0024] 3、The plane grinding machine for mold precision machining provided by the present application, through the chip outlet is opened in one end of the lower chip collecting box seat, and the through slot is opened in both sides of the lower chip collecting box seat, and the copper sheet insertion slot is arranged in a group of through slots, one end of the copper bar installed in the through slot is arranged in the through slot, and the other end is arranged in the copper sheet insertion slot, the length of the copper bar is less than the length of the through slot, and the connecting rod is installed at one end of the side surface of the fixed plate body, and the conductive copper sheet arranged on the straight support rod is movably inserted into the copper sheet insertion slot and contacts with the copper bar, at the same time, the shaft of the generator of the power generation unit installed on the support rod is fixedly connected with the gear through the support rod, the gear is meshingly connected with the rack fixedly welded on the side surface of the lower chip collecting box seat, the power transmission end of the generator is connected with the conductive copper sheet through the wire, and the copper ring is fixedly sleeved on the connecting shaft column of the mounting shaft head, and the copper ring is fixedly connected with the copper wire wound on the iron core, when the fixed plate body is pushed to grind and process the mold, the gear rotates through the meshingly connected rack, so that the generator operates to generate electricity, and the conductive copper sheet contacts with the copper bar, the copper ring fixedly connected with the copper wire is arranged in the through slot and contacts with the copper bar, so that the power generated by the generator operating to generate electricity can be transmitted to the electromagnet body, the waste chips formed by the whole surface grinding treatment of the grinding plate to the mold surface are leaked into the lower chip collecting box seat through the leakage slot partition plate, and the electromagnet body moves in the lower chip collecting box seat to adsorb the waste chips in the lower chip collecting box seat, since the length of the copper bar is less than the length of the through slot, when the electromagnet body moves to the end of the lower chip collecting box seat where the chip outlet is opened, the copper ring no longer contacts with the copper bar, the electromagnet body is no longer electrified, loses magnetism, and the waste chips adsorbed on the electromagnet body fall off and are discharged from the chip outlet, through the structure, the waste chips formed by grinding are conveniently removed, and the power is self-supplied, which is more energy-saving. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the plane grinding machine for mold precision machining of the present application;

[0026] Figure 2 It is a mold support fixing unit structure schematic view of the plane grinding machine for mold precision machining of the present application;

[0027] Figure 3 It is a through slot structure schematic view of the plane grinding machine for mold precision machining of the present application;

[0028] Figure 4 It is a grinding and chip removing unit structure schematic view of the plane grinding machine for mold precision machining of the present application;

[0029] Figure 5 It is a moving grinding plate structure schematic view of the plane grinding machine for mold precision machining of the present application;

[0030] Figure 6The connecting rod structure schematic view of the planar grinding machine for die precision machining of the application;

[0031] Figure 7 The scrap removing electromagnet structure schematic view of the planar grinding machine for die precision machining of the application;

[0032] Figure 8 The side tank structure schematic view of the planar grinding machine for die precision machining of the application;

[0033] Figure 9 The support rod and extension column connecting structure schematic view of the planar grinding machine for die precision machining of the application.

[0034] In the figure: 1, die support and fixing unit; 11, upper fixing groove block; 111, die placing cavity; 112, installation groove; 1121, installation groove opening; 1122, plug-in square groove; 1123, fixing bolt; 12, lower scrap collecting tank seat; 121, scrap outlet; 122, through groove opening; 1221, copper sheet plug-in groove opening; 1222, copper bar; 13, leakage groove opening separation plate; 2, polishing and scrap removing unit; 21, movable grinding plate; 211, support guide column; 2111, support block; 2112, guide column; 2113, scale line; 212, push type grinding plate; 2121, fixed plate body; 2122, sleeving hole; 2123, push handle; 2124, polishing plate; 22, connecting rod; 221, extension column; 222, support rod; 2221, shaft column connecting head; 2222, conductive copper sheet; 2223, short-circuit groove; 2224, support spring; 2225, push rod; 223, power generation unit; 2231, generator; 2232, gear; 23, rack; 24, scrap removing electromagnet; 241, electromagnet main body; 2411, iron core; 2412, copper wire; 242, installation shaft head; 2421, connecting shaft column; 2422, baffle; 2423, copper ring; 3, collecting mechanism; 31, side tank; 32, short opening pipe; 33, on-off groove; 34, collecting capsule; 35, external connection pipe; 36, vertical groove; 37, connecting block; 38, electric push rod; 39, butt joint spring; 391, magnetic disk. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0036] Please refer to Figures 1-2 and Figure 4The utility model relates to a die precision machining plane grinding machine, including die support fixed unit 1, the polishing scrap removing unit 2 of movable installation on die support fixed unit 1 and the collection mechanism 3 of setting at one side of die support fixed unit 1, die support fixed unit 1 includes upper fixed groove block piece 11 and the lower scrap collecting box seat 12 of fixed setting in the lower end of upper fixed groove block piece 11, and the connecting place of upper fixed groove block piece 11 and lower scrap collecting box seat 12 is provided with the leakage groove mouth separating plate 13, and the polishing scrap removing unit 2 is installed on upper fixed groove block piece 11.

[0037] The polishing scrap removing unit 2 is provided with a movable grinding plate 21 and a connecting rod 22 fixedly welded on the side of the movable grinding plate 21, the lower end of the connecting rod 22 is fixedly installed with a scrap removing electromagnet 24, the scrap removing electromagnet 24 is arranged in the lower scrap collecting box seat 12, and a rack 23 is fixedly welded on the side of the lower scrap collecting box seat 12.

[0038] Please refer to Figure 2 and Figure 8 The collection mechanism 3 includes a side box 31 arranged at one side of the die support fixed unit 1, a short mouth pipe 32 arranged on the outer surface of the side box 31, a connecting groove 33 arranged at one side of the short mouth pipe 32, and a collection capsule 34 arranged through the inside of the side box 31 and the short mouth pipe 32, the outer surface of the collection capsule 34 is provided with an external connecting pipe 35, one side of the upper fixed groove block piece 11 is provided with a vertical groove 36, the outer surface of the side box 31 is fixedly installed with a connecting block 37, the upper surface of the connecting block 37 is provided with an electric push rod 38, one end of the electric push rod 38 is connected with the inner wall of the vertical groove 36, the bottom of the side box 31 is provided with a docking spring 39, one end of the docking spring 39 is provided with a magnetic disc 391, the other end of the docking spring 39 is connected with the collection capsule 34, the magnetic disc 391 is magnetically connected with the bottom of the side box 31, when the waste after polishing comes out from the scrap discharging port 121, an external connecting air pump is used to connect with the external connecting pipe 35, so that the external connecting pipe 35 generates air flow in the suction direction, thereby absorbing the waste, and in the process of absorption, the collection capsule 34 exposed at one end outside the connecting groove 33 will sink due to the increasing gravity, so that one end of the collection capsule 34 in the inside of the side box 31 is shortened, further separating the magnetic disc 391 from the inner wall of the side box 31, when in the separated state, the staff is reminded to clean the waste in the collection capsule 34 in time, improving the waste cleaning quality and reducing the leakage.

[0039] Please refer to Figures 2-3The upper fixed groove block 11 is an open end and a closed end structure, the middle groove is a mold placing cavity 111, and mounting groove pieces 112 are arranged on both sides of the groove opening of the upper fixed groove block 11, the mounting groove piece 112 includes a mounting groove opening 1121 arranged on both sides of the groove opening of the upper fixed groove block 11 and a plug-in square groove 1122 arranged at both ends inside the mounting groove opening 1121, and a fixed bolt 1123 is screw-mounted on the side surface of the upper fixed groove block 11, and one end of the fixed bolt 1123 extends into the plug-in square groove 1122.

[0040] Further, one end of the lower chip collecting box seat 12 is provided with a chip outlet 121, and through grooves 122 are arranged on both sides of the lower chip collecting box seat 12, the through groove 122 on one side is provided with a copper sheet plug-in groove 1221, and copper bars 1222 are fixedly installed in the groove of the through groove 122 at both ends, one end of the copper bar 1222 is arranged in the through groove 122, and the other end is arranged in the copper sheet plug-in groove 1221, and the length of the copper bar 1222 is less than the length of the through groove 122.

[0041] Please refer to Figure 5 The moving grinding plate piece 21 includes a push type grinding plate piece 212 movably installed on the support column piece 211, and the support column piece 211 is provided with two groups, and the two groups of support column pieces 211 are movably installed in the mounting groove opening 1121, the support column piece 211 includes a support block 2111 movably inserted into the plug-in square groove 1122 and a guide column 2112 movably welded between the support blocks 2111, and a scale line 2113 is engraved on the side surface of the support block 2111.

[0042] The push type grinding plate piece 212 includes a fixed plate body 2121 provided with a sleeving hole 2122 at both ends, the fixed plate body 2121 is movably installed on the guide column 2112 through the fixed plate body 2121, a push handle 2123 is fixedly installed on the upper end surface of the fixed plate body 2121, and a grinding plate 2124 is fixedly installed on the lower end surface of the fixed plate body 2121.

[0043] The movable grinding plate part 21 is installed in the mounting groove part 112 arranged on both sides of the notch of the fixed groove block part 11, the support block 2111 of the movable grinding plate part 21 is movably inserted into the insertion groove 1122, the fixed plate body 2121 is movably installed on the guide column 2112, the push handle 2123 is fixedly installed on the upper end surface of the fixed plate body 2121, the grinding plate 2124 is fixedly installed on the lower end surface of the fixed plate body 2121, when the mold surface is polished, the mold is placed in the mold placing cavity 111, the fixed plate body 2121 is moved on the guide column 2112 by pushing the push handle 2123, the grinding plate 2124 at the lower end of the fixed plate body 2121 is used for polishing the mold surface, the side surface of the support block 2111 is engraved with a scale line 2113, the depth of the support block 2111 inserted into the insertion groove 1122 can be controlled through the scale line 2113, the distance between the grinding plate 2124 and the mold surface can be conveniently and accurately controlled, the grinding plate 2124 is used for polishing the whole surface of the mold surface when moving, the polishing effect is better, and the polishing is more accurate.

[0044] Please refer to Figure 6 and Figure 9 The connecting rod part 22 comprises an extension column 221 fixedly welded at one end of the side surface of the fixed plate body 2121 and a support rod 222 arranged at the lower end of the extension column 221, and the lower end of the support rod 222 is provided with a shaft column connector 2221.

[0045] The support rod 222 is provided with two groups, the side surface of the support rod 222 of one group is fixedly installed with a conductive copper sheet 2222, the conductive copper sheet 2222 is movably inserted into the copper sheet insertion groove 1221 and is in contact with the copper bar 1222, and a power generation unit 223 is fixedly installed on the support rod 222 provided with the conductive copper sheet 2222, one side of the support rod 222 is provided with a short-circuit groove 2223, the inside of the short-circuit groove 2223 is provided with a supporting spring 2224 and a push rod 2225, one end of the supporting spring 2224 and the push rod 2225 is connected with the extension column 221, and the extension column 221 is movably connected with the short-circuit groove 2223, and the extension column 221 can also move together during the downward movement of the support block 2111.

[0046] The power generation unit 223 comprises a generator 2231 fixedly installed on the support rod 222 and a gear 2232 fixedly installed on the shaft of the generator 2231, the shaft of the generator 2231 penetrates through the support rod 222 and is fixedly connected with the gear 2232, the gear 2232 is in meshing connection with the rack 23 fixedly welded on the side surface of the lower chip collecting box seat 12, and the power transmission end of the generator 2231 is connected with the conductive copper sheet 2222 through a wire.

[0047] Please refer to Figure 7The removing chip electromagnet 24 comprises an electromagnet body 241 and mounting shaft heads 242 fixedly welded at both ends of the electromagnet body 241, the electromagnet body 241 comprises an iron core 2411 and copper wires 2412 wound on the iron core 2411, the mounting shaft head 242 comprises a connecting shaft column 2421 and a baffle 2422 fixedly welded at one end of the connecting shaft column 2421, the other side of the baffle 2422 is fixedly welded with the iron core 2411, the other end of the connecting shaft column 2421 is fixedly mounted on the shaft column connecting head 2221, two groups of the mounting shaft heads 242 are arranged, the connecting shaft column 2421 of one group of the mounting shaft heads 242 is fixedly sleeved with a copper ring 2423, and the copper ring 2423 is fixedly connected with the copper wires 2412 wound on the iron core 2411.

[0048] Through being equipped with the chip outlet 121 at one end of the lower chip collecting box seat 12, and being equipped with the through slot 122 at both sides of the lower chip collecting box seat 12, and being equipped with the copper sheet insertion slot 1221 at a group of through slots 122, one end of the copper strip 1222 installed in the through slot 122 is arranged in the through slot 122, the other end is arranged in the copper sheet insertion slot 1221, the length of the copper strip 1222 is less than the length of the through slot 122, and the connecting rod 22 is installed at one end of the side of the fixed plate body 2121, and the conductive copper sheet 2222 arranged on the support rod 222 is movably inserted into the copper sheet insertion slot 1221 and contacts the copper strip 1222, at the same time, the shaft of the generator 2231 of the power generation unit 223 installed on the support rod 222 is fixedly connected with the gear 2232 penetrating the support rod 222, the gear 2232 is meshingly connected with the rack 23 fixedly welded on the side of the lower chip collecting box seat 12, the power transmission end of the generator 2231 is connected with the conductive copper sheet 2222 through the wire, and the copper ring 2423 is fixedly sleeved on the connecting shaft column 2421 of the mounting shaft head 242, and the copper ring 2423 is fixedly connected with the copper wire 2412 wound on the iron core 2411, when the fixed plate body 2121 is pushed to polish the mold, the gear 2232 is contacted with the rack 23 and rotates, so that the generator 2231 operates to generate electricity, the conductive copper sheet 2222 is contacted with the copper strip 1222, the copper ring 2423 fixedly connected with the copper wire 2412 is arranged in the through slot 122 and contacted with the copper strip 1222, so that the power generated by the generator 2231 can be transmitted to the electromagnet main body 241, the polishing plate 2124 is moved to polish the surface of the mold, the waste generated by the polishing is leaked into the lower chip collecting box seat 12 through the leakage slot partition plate 13, the electromagnet main body 241 moves in the lower chip collecting box seat 12 to adsorb the waste in the lower chip collecting box seat 12, because the length of the copper strip 1222 is less than the length of the through slot 122, when the electromagnet main body 241 moves to the end of the lower chip collecting box seat 12 equipped with the chip outlet 121, the copper ring 2423 is no longer contacted with the copper strip 1222, the electromagnet main body 241 is no longer electrified, loses magnetism, the waste adsorbed on the electromagnet main body 241 falls off and is discharged from the chip outlet 121, through the structure, the waste generated by polishing can be conveniently removed, and self-power supply can be realized, which is more energy-saving.

[0049] Working principle: when the fixed plate body 2121 is pushed to polish the mold, the gear 2232 is in contact with the rack 23 and rotates, so that the generator 2231 generates electricity, and the conductive copper sheet 2222 is in contact with the copper strip 1222. The copper ring 2423 fixedly connected with the copper wire 2412 is arranged in the through slot 122 and is in contact with the copper strip 1222, so that the power generated by the generator 2231 can be transmitted to the electromagnet main body 241. The polishing plate 2124 moves to polish the surface of the mold, and the waste generated by the polishing plate 2124 is discharged into the lower dust arrester box seat 12 through the leakage slot partition plate 13. When the electromagnet main body 241 moves in the lower dust arrester box seat 12, the waste in the lower dust arrester box seat 12 is adsorbed.

[0050] In conclusion, the present application provides a planar grinding machine for mold precision machining, which comprises a mold support fixing unit 1 and a polishing and chip removing unit 2 movably installed on the mold support fixing unit 1. A movable grinding plate member 21 is installed in the installation groove member 112 provided on both sides of the notch of the upper fixed groove block member 11. The support block 2111 of the movable grinding plate member 21 is movably inserted into the insertion groove 1122. The fixed plate body 2121 is movably installed on the guide column 2112. The push handle 2123 is fixedly installed on the upper end surface of the fixed plate body 2121. The polishing plate 2124 is fixedly installed on the lower end surface of the fixed plate body 2121. When the mold surface is polished and processed, the mold is placed in the mold placing cavity 111. The fixed plate body 2121 is moved on the guide column 2112 by pushing the push handle 2123. The polishing plate 2124 at the lower end of the fixed plate body 2121 is used to polish the mold surface. The side surface of the support block 2111 is engraved with scale lines 2113. The depth of the support block 2111 inserted into the insertion groove 1122 can be controlled by the scale lines 2113. The distance between the polishing plate 2124 and the mold surface can be accurately controlled. The polishing plate 2124 can polish the entire surface of the mold surface when it moves, so that the polishing effect is better and the polishing is more accurate.Through being equipped with the chip outlet 121 in one end of the lower chip collecting box seat 12, and being equipped with the through slot 122 in both sides of the lower chip collecting box seat 12, and being equipped with the copper sheet insertion slot 1221 in a group of through slots 122, one end of the copper strip 1222 installed in the through slot 122 is arranged in the through slot 122, the other end is arranged in the copper sheet insertion slot 1221, the length of the copper strip 1222 is less than the length of the through slot 122, and the connecting rod 22 is installed on the side end of the fixed plate body 2121, and the conductive copper sheet 2222 arranged on the support rod 222 is movably inserted in the copper sheet insertion slot 1221 and contacts with the copper strip 1222, at the same time, the shaft rod of the generator 2231 of the power generation unit 223 installed on the support rod 222 is fixedly connected with the gear 2232 penetrating the support rod 222, the gear 2232 is meshingly connected with the rack 23 fixedly welded on the side of the lower chip collecting box seat 12, the power transmission end of the generator 2231 is connected with the conductive copper sheet 2222 through the wire, and the copper ring 2423 is fixedly sleeved on the connecting shaft column 2421 of the mounting shaft head 242, and the copper ring 2423 is fixedly connected with the copper wire 2412 wound on the iron core 2411, when the fixed plate body 2121 is pushed to polish the mold, the gear 2232 is contacted with the rack 23 and rotates, so that the generator 2231 operates to generate electricity, the conductive copper sheet 2222 is contacted with the copper strip 1222, the copper ring 2423 fixedly connected with the copper wire 2412 is arranged in the through slot 122 and contacted with the copper strip 1222, so that the power generated by the generator 2231 can be transmitted to the electromagnet main body 241, the polishing plate 2124 is moved to polish the surface of the mold, the waste chips formed by the polishing are leaked into the lower chip collecting box seat 12 through the leakage slot partition plate 13, the electromagnet main body 241 moves in the lower chip collecting box seat 12 to adsorb the waste chips in the lower chip collecting box seat 12, because the length of the copper strip 1222 is less than the length of the through slot 122, when the electromagnet main body 241 moves to the end of the lower chip collecting box seat 12 equipped with the chip outlet 121, the copper ring 2423 is no longer contacted with the copper strip 1222, the electromagnet main body 241 is no longer electrified, loses magnetism, the waste chips adsorbed on the electromagnet main body 241 fall off and are discharged from the chip outlet 121, through the structure, the waste chips formed by polishing can be conveniently removed.

[0051] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0052] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, and it is intended that the scope of the application be limited solely by the scope of the appended claims and the equivalents thereof.

Claims

1. A surface grinder for precision machining of a mold, comprising a mold support and fixing unit, a polishing and chip removing unit movably installed on the mold support and fixing unit, and a collecting mechanism provided on one side of the mold support and fixing unit, characterized in that: The mold support fixing unit comprises an upper fixed groove block and a lower chip collecting box seat fixedly arranged at the lower end of the upper fixed groove block, and a leakage groove partition plate is arranged at the connection part of the upper fixed groove block and the lower chip collecting box seat, and a polishing and chip removing unit is installed on the upper fixed groove block; The polishing and chip removing unit is provided with a movable grinding plate and a connecting rod fixedly welded on the side surface of the movable grinding plate, the lower end of the connecting rod is fixedly installed with a chip removing electromagnet, the chip removing electromagnet is arranged in the lower chip collecting box seat, and a rack is fixedly welded on the side surface of the lower chip collecting box seat; The collecting mechanism comprises a side box arranged on one side of the mold support fixing unit, a short mouth pipe arranged on the outer surface of the side box, an access groove arranged on one side of the short mouth pipe, and a collecting bag arranged through the inside of the side box and the short mouth pipe, an external connecting pipe is arranged on the outer surface of the collecting bag, and a vertical groove is arranged on one side of the upper fixed groove block; A connecting block is fixedly installed on the outer surface of the side box, a scale is arranged on the upper surface of the connecting block, one end of the scale is connected with the inner wall of the vertical groove, a butt joint spring is arranged at the bottom of the side box, one end of the butt joint spring is provided with a magnetic disc, the other end of the butt joint spring is connected with the collecting bag, and the magnetic disc is magnetically connected with the bottom of the side box; The upper fixed groove block is of an open structure at one end and a sealed structure at the other end, the groove body in the middle is a mold placing cavity, installation grooves are arranged on both sides of the groove opening of the upper fixed groove block, the installation grooves comprise installation openings arranged on both sides of the groove opening of the upper fixed groove block and plug-in square grooves arranged at both ends in the installation openings, and fixed bolts are screw-installed on the side surface of the upper fixed groove block, and one end of the fixed bolts extends into the plug-in square grooves; One end of the lower chip collecting box seat is provided with a chip discharging opening, and through grooves are arranged on both sides of the lower chip collecting box seat; A copper sheet plug-in opening is arranged on one of the through grooves, and copper bars are fixedly installed on the upper and lower ends in the groove of the through groove, one end of the copper bar is arranged in the through groove, and the other end of the copper bar is arranged in the copper sheet plug-in opening, and the length of the copper bar is less than the length of the through groove; The movable grinding plate comprises support guide columns and push-type grinding plates movably installed on the support guide columns, and the support guide columns are arranged in two groups and movably installed in the installation openings; The support guide column comprises support blocks movably plugged into the plug-in square grooves and guide columns movably welded between the support blocks, and scale lines are engraved on the side surface of the support block; The push-type grinding plate comprises a fixed plate body provided with sleeving holes at both ends, a push handle fixedly installed on the upper end surface of the fixed plate body, and a grinding plate fixedly installed on the lower end surface of the fixed plate body; The connecting rod comprises an extension column fixedly welded on one end of the side surface of the fixed plate body and a support rod arranged at the lower end of the extension column, and a shaft column connector is arranged at the lower end of the support rod; The support rod is arranged in two groups, one group of the support rods is fixedly installed with conductive copper sheets on the side surface, the conductive copper sheets are movably plugged into the copper sheet plug-in openings and contact the copper bars, a power generation unit is fixedly installed on the support rod provided with the conductive copper sheets, a short-circuit groove is arranged on one side of the support rod, and a supporting spring and a push rod are arranged in the short-circuit groove, one end of the supporting spring and the push rod is connected with the extension column, and the extension column is movably connected with the short-circuit groove. The power generation unit comprises a power generator fixedly installed on the support rod and a gear fixedly installed on the power generator shaft, the power generator shaft is fixedly connected with the gear through the support rod, the gear is in meshing connection with a rack fixedly welded on the side of the lower chip collecting box seat, and the power transmission end of the power generator is connected with the conductive copper sheet through a wire; The chip removing electromagnet comprises an electromagnet body and mounting shaft heads fixedly welded at two ends of the electromagnet body, the electromagnet body comprises an iron core and copper wires wound on the iron core; The mounting shaft head comprises a connecting shaft column and a baffle fixedly welded at one end of the connecting shaft column, the other side of the baffle is fixedly welded with the iron core, the other end of the connecting shaft column is fixedly installed on the shaft column connector, two groups of mounting shaft heads are arranged, the connecting shaft column of one group of mounting shaft heads is fixedly sleeved with a copper ring, and the copper ring is fixedly connected with the copper wires wound on the iron core.

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