CN211249705U - Four-piece forming machine for grinding wheel - Google Patents

Abstract

The utility model discloses a four-piece forming machine for grinding wheels, wherein four placing holes are arranged in an array of two rows and two columns on a base plate, and a die disc corresponds to the placing holes one by one; the device also comprises a rectangular transmission groove and a pushing cylinder arranged at the corner of the rectangle; the device also comprises a first feeding device, a first material spreading device, an upper net piece device, a second feeding device, a second material spreading device and a pressing device which are sequentially arranged along the rectangle. The feeding, spreading, net loading and pressing procedures in the transmission mode can synchronously process four dies at a time, the structure that one drives four in the feeding device, spreading device, net loading device and pressing device is easy, the number of power parts is reduced, the power parts are arranged and used and fully utilized, and the productivity of each procedure is greatly improved and the overall production efficiency is greatly improved.

Description

Four-piece forming machine for grinding wheel

Technical Field

The utility model relates to a emery wheel field, in particular to four make-up machines of emery wheel.

Background

The grinding wheel is widely applied to grinding and cutting work and is widely used in industry and life.

Taking a grinding wheel with two layers of molding materials and an interlayer net as an example, the process for molding the grinding wheel at least sequentially comprises the following steps: putting a first part of molding material into a mold, flattening the first part of molding material, putting the mold into a net sheet, putting a second part of molding material into the mold, flattening the second part of molding material, and pressing all materials in the mold for molding. It will be appreciated that the mesh acts as a skeleton for the grinding wheel, serving to strengthen the grinding wheel.

In the prior art, the transmission, feeding, flattening, net piece placing and pressing of one mould and one mould on a production line can only process one mould at a time, and the production efficiency of the grinding wheel is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a four make-up machines of emery wheel can improve emery wheel production efficiency.

The grinding wheel four-piece forming machine comprises a mold, wherein the mold comprises a base plate and a mold disc group, four placing holes are formed in the base plate in an array of two rows and two columns, and the mold disc group comprises four mold discs in one-to-one correspondence with the placing holes; the grinding wheel molding machine further comprises a rectangular transmission groove and a pushing cylinder arranged at the corner position of the rectangle, wherein the pushing cylinder is used for pushing the substrate to enable the substrate and the mold disc set to be circularly transmitted along the rectangle, and the grinding wheel molding machine further comprises a first feeding device, a first material spreading device, an upper net piece device, a second feeding device, a second material spreading device and a pressing device which are sequentially arranged along the rectangle, wherein the first feeding device and the second feeding device are used for feeding grinding wheel molding materials into the mold disc set; the first material spreading device and the second material spreading device are used for spreading the grinding wheel molding material in the die disc group; the mesh feeding device is used for feeding meshes into the die disc set; the pressing device is used for pressing and forming the grinding wheel forming material and the mesh in the die disc set.

According to the utility model discloses four make-up machines of emery wheel has following beneficial effect at least: adopt rectangle loop construction's transmission groove, two liang transmit the mould dish side by side in the transmission groove, throw the material in this kind of transmission mode, stand the material, go up the net piece and the suppression process can both once handle four moulds in step, it is comparatively easy to throw the material device, stand the material device, go up the net piece device and suppress one in the device and drive four structures, reduce the setting use of power spare quantity, more make full use of power spare, the productivity of every process all has very big promotion, holistic production efficiency obtains improving by a wide margin.

According to some embodiments of the present invention, the mesh feeding device comprises a transfer assembly, two side-by-side turrets, and a switching power member for driving the turrets to rotate; the net piece placing positions are evenly distributed on the periphery of the rotating shaft around the rotating frame, the net piece transferring direction of the transferring assembly is perpendicular to the side-by-side direction of the two rotating frames, and the transferring assembly is arranged above the position, close to the two rotating frames, of the two rotating frames. The net piece pre-storing and feeding device comprises a net piece pre-storing device and a net piece pre-storing device, wherein a pre-storing and feeding structure is ingeniously arranged in the net piece pre-storing device, the net piece pre-storing and feeding structure comprises two parallel rotating frames, the parallel direction is vertical to the material moving direction of a transfer assembly, four net piece placing positions are arrayed on the rotating frames, the total eight net piece placing positions can be divided into four working positions in the middle and four pre-storing positions on the outer side, the transfer assembly is arranged above the working positions, and the four net pieces are cached in a four-station mode; the operation of loading the mesh and pre-storing the mesh cannot be influenced by the inner four working positions and the outer four pre-storing positions.

According to some embodiments of the utility model, still include the ring piece and put in the device, the second is thrown material device, second and is spread out material device, ring piece and put in the device and suppress the device and follow the rectangle sets gradually, the ring piece is put in the device and is used for dropping into the ring piece toward die disc group. In the production of the grinding wheel, the middle position of part of the grinding wheel is also connected with the ring piece/the hole ring, so that the grinding wheel has higher installation strength, can be installed in a rotating shaft of equipment such as a polishing machine and the like, and is not easy to crack when being clamped; the first feeding device, the first material spreading device, the upper net piece device, the second feeding device, the second material spreading device, the ring piece feeding device and the pressing device are sequentially arranged, and the ring pieces are placed after the molding materials and the net pieces are assembled in place.

According to some embodiments of the utility model, the device is put in to the ring piece includes the subassembly of fitting with a contraceptive ring, divide the ring subassembly and move the ring subassembly, divide the ring subassembly including divide the ring belt, connect the branch ring belt pulley of dividing ring belt tip, be used for driving the reciprocal pivoted branch ring motor of branch ring belt, divide ring motor drive to connect and divide the ring belt pulley, the subassembly of fitting with a contraceptive ring is used for passing to the middle part of dividing the ring belt on the ring piece, divides the positive and negative rotation of ring belt to be used for throwing out the ring piece toward the both ends of dividing the ring belt, moves the ring subassembly and is used for shifting the ring piece at branch ring belt both ends.

According to the utility model discloses a some embodiments still include the trade mark and put in the device, the second is thrown material device, second stand material device, trade mark and is put in the device and suppress the device and follow the rectangle sets gradually, the trade mark is put in the device and is used for dropping into the trade mark scraps of paper toward the mould disk assembly. The first feeding device, the first spreading device, the upper net piece device, the second feeding device, the second spreading device, the ring piece feeding device and the pressing device are sequentially arranged, and trademark paper pieces are placed after the forming material and the net piece are assembled in place, so that the trademark paper pieces are adhered to the grinding wheel, production and sales management are facilitated, and sellers and users can conveniently check the trademark paper pieces.

According to the utility model discloses a some embodiments, first stand material device and second stand material device all are including first support, connection first lifter plate on the first support, connect four on the first lifter plate stand the doctor-bar and be used for driving four it scrapes power spare along corresponding vertical axis pivoted stand to stand the doctor-bar, be provided with on the first support and be used for driving first lifter plate first lift power spare from top to bottom. A first-driving-four mode is adopted, a single spreading and scraping power part drives four scraping blades, and the single spreading and scraping power part synchronously completes the flattening of the molding materials of four molds at one time; the mold rotates and the doctor blade moves downwards.

According to the utility model discloses a some embodiments, the power part is scraped including the stand of scraping the motor, connecting the driven gear who scrapes the driving gear of motor shaft and connect the scraping blade pivot at the stand, driven gear all is the meshing the driving gear.

According to some embodiments of the utility model, first stand material device and second stand material device all are including first support, connection first lifter plate on the first support, connect four on the first lifter plate stand out the doctor-bar, be used for the carousel of bearing die disc lower extreme and be used for four carousel pivoted first power parts that rotate of synchronous drive, carousel and first power part that rotates pass through the second leg joint in the below of transmission groove, be provided with the first power part that goes up and down that is used for driving first lifter plate on the first support.

According to some embodiments of the utility model, still including the waxing device, the waxing device includes the eighth support, connects fourth lifter plate on the eighth support, connects four erects on the fourth lifter plate and puts the bull stick, connect and erect the wax piece of putting the bull stick lower extreme and be used for driving four and erect and put bull stick pivoted wax wiping power spare, wax wiping power spare is connected on the fourth lifter plate, be provided with on the eighth support and be used for driving fourth lifter power spare about the fourth lifter plate, eighth leg joint is on the transmission tank.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a top view angle structure of a four-piece forming machine according to an embodiment of the present invention;

FIG. 2 is a schematic front view of the mold of the four-piece molding machine shown in FIG. 1;

FIG. 3 is a schematic top view angle structure of the transfer chute and the push cylinder of the four-piece forming machine shown in FIG. 1;

fig. 4 is a schematic top view angle structure diagram of the upper web device of the four-web forming machine shown in fig. 1;

fig. 5 is a schematic view of a main view angle structure of an upper web device of the four-web forming machine shown in fig. 1;

fig. 6 is a schematic view of a main view angle structure of the ring piece throwing device of the four-piece forming machine shown in fig. 1;

fig. 7 is a main view angle structure diagram of a moving ring component of the ring piece throwing device shown in fig. 6;

fig. 8 is a main view angle structure diagram of the upper ring assembly and the sub-ring assembly of the ring sheet releasing device shown in fig. 6;

FIG. 9 is a schematic view of the feeding device of the four-piece forming machine shown in FIG. 1;

FIG. 10 is a schematic top view of the feeding device shown in FIG. 9;

fig. 11 is a first schematic view of the main view angle of the material spreading device of the four-piece forming machine shown in fig. 1;

fig. 12 is a schematic view of the main view angle structure of the spreading device of the four-piece forming machine shown in fig. 1

FIG. 13 is a schematic view of the main view angle configuration of the pressing apparatus of the four-piece forming machine shown in FIG. 1;

FIG. 14 is a schematic view of the main view angle of the waxing device of the four-piece molding machine shown in FIG. 1;

fig. 15 is a main view angle structure diagram of the net baking device of the four-piece forming machine shown in fig. 1.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, a four-piece grinding wheel forming machine according to an embodiment of the first aspect of the present invention includes a mold 110, the mold 110 includes a base plate 111 and a mold disk set, four placing holes 111a are arranged in an array in two rows and two columns on the base plate 111, and the mold disk set includes four mold disks 112 corresponding to the placing holes 111a one-to-one; the grinding wheel molding machine further comprises a rectangular transmission groove 121 and a pushing cylinder 122 arranged at a corner of the rectangle, wherein the pushing cylinder 122 is used for pushing the substrate 111 to enable the substrate 111 and the mold disc set to be circularly transmitted along the rectangle, the grinding wheel molding machine further comprises a first feeding device 200, a first material spreading device 300, an upper wafer device 400, a second feeding device, a second material spreading device and a pressing device 600 which are sequentially arranged along the rectangle, and the first feeding device 200 and the second feeding device are used for feeding grinding wheel molding materials into the mold disc set; the first material spreading device 300 and the second material spreading device are used for spreading the grinding wheel molding material in the die disc set; the mesh feeding device 400 is used for feeding meshes into the die disc set; the pressing device 600 is used for pressing and forming the grinding wheel forming material and the mesh in the die set.

The structure of the first feeding device 200 and the second feeding device is described in the text and with reference to fig. 9 and 10, and the structure of the first spreading device 300 and the second spreading device is described in the text and with reference to fig. 11 and 12.

Referring to fig. 9 and 10, each of the first feeding device 200 and the second feeding device includes a material distribution disc 210, a rotor 220 movably connected to the material distribution disc 210, and a material distribution scraping block 230 connected to the rotor 220, the material distribution disc 210 is provided with a material ring groove 211, the bottom of the material ring groove 211 is provided with four material feeding ports 212, the material feeding ports 212 are connected to a switch structure 240, and the material distribution scraping block 230 is connected to the material ring groove 211 and can slide in the material ring groove 211, so that the grinding wheel molding material is scraped and moved and fills the material feeding ports 212. The feed port 212 can accommodate a quantitative amount of the grinding wheel molding material, which is in accordance with the amount required by the grinding wheel; the switch mechanism 240 opens the grinding wheel molding material stored in the feeding port 212 to drop the material to the die 110. The lower end of the distribution plate 210 is connected with the transmission groove 121 through a fifth bracket 250, and the distribution plate 210 and the fifth bracket 250 can be integrally formed.

Referring to fig. 9, the switch structure 240 includes a baffle 241 hinged to the bottom of the dispensing tray and an opening and closing cylinder 242 for driving the baffle 241 to open and close the dispensing opening, the housing of the opening and closing cylinder 242 is hinged to a fifth bracket 250, and the output shaft of the opening and closing cylinder 242 is hinged to the baffle 241. The opening and closing cylinder 242 may be an air cylinder, a hydraulic cylinder, and an electric cylinder.

Referring to fig. 9, each of the first feeding device 200 and the second feeding device further includes a vibrating screen feeding assembly 260, the vibrating screen feeding assembly 260 includes a sixth support 261, a lower box 262, an upper box 263 covering an upper opening of the lower box 262, and a vibrator 264 connected to a lower end of the lower box 262, the lower end of the lower box 262 is further connected to the sixth support 261 through an elastic member 265, a screening through hole 263a is disposed at the bottom of the upper box 263, and the lower box 262 is provided with a discharging nozzle facing the material ring groove 211. The vibrator 264 comprises a vibrating sieve motor 264b and a rotating block 264a in transmission connection with the vibrating sieve motor 264b, the upper end of the rotating block 264a is provided with a convex part used for abutting against the bottom of the lower box 262, and the convex part deviates from the rotating shaft of the rotating block 264 a. When the rotating block 264a rotates, the upper case 263 and the lower case 262 shake up and down, and the grinding wheel molding material falls from the material sieving through hole 263a and is guided out to the material ring groove 211 through the lower case 262.

The elastic member may be a spring, an elastic plastic member, or the like.

Referring to fig. 9, in some embodiments of the present invention, a material detecting member 213 is disposed above the material ring groove 211, the material detecting member 213 and the feeding opening 212 are dislocated, and the material detecting member 213 can detect the grinding wheel forming material in the material ring groove 211. The material distributing scraping block 230 pushes the grinding wheel molding material in the material ring groove 211, and the grinding wheel molding material is filled in the feeding port 212; when the material-separating scraping block 230 stops, each material-feeding opening 212 is filled, and at this time, a grinding wheel molding material may remain at the front end of the material-separating scraping block 230, so that the front end of the material-separating scraping block 230 is dislocated from the material-feeding opening 212 when the material-separating scraping block 230 stops. The material detection part 213 is a proximity switch, a photoelectric sensor switch and the like, and the switch has a certain effective detection distance; that is, when the distance between the lower end of the switch and the object to be measured is less than a certain value, the switch is detected; therefore, when the grinding wheel molding material remains more in the material ring groove 211, the grinding wheel molding material pile is higher, the material detection part 213 can detect, the vibration sieve feeding assembly 260 reduces the vibration sieve time when the material is sieved down next time, and a smaller amount of grinding wheel molding material is put into the material ring groove 211.

Referring to fig. 13, the pressing apparatus 600 includes a seventh frame 610, a hydraulic cylinder connected to the seventh frame 610, and a first ram 620 connected to a lower end of an output shaft of the hydraulic cylinder, the hydraulic cylinder being configured to drive the first ram 620 to move up and down. Certain water, adhesive and bonding agent are mixed in the grinding wheel molding material; the first stamping head 620 presses the material to form the material. The first punch head 620 is connected with the output shaft of the hydraulic cylinder through a corresponding second lifting plate 630, the second lifting plate 630 is connected with the seventh bracket 610 through a guide rod, and the guide rod is used for controlling the first punch head 620 to lift directionally.

In some embodiments of the present invention, the mold 110 further includes a cover plate 113, the cover plate 113 is used for cooperating with the mold disc 112, after the mold disc 112 is sequentially placed with the materials according to the design process, the cover plate 113 is covered and then is transferred to the pressing device 600, and the cover plate 113 is directly stamped by the first stamping head 620, so that the grinding wheel is pressed and formed. Therefore, the four-piece forming machine further comprises a cover plate transfer device 800; preferably, one end of the cover plate transfer device 800 is disposed upstream of the pressing device 600, and the other end is disposed downstream of the pressing device 600; the mold 110 having passed through the pressing step is removed from the cover plate 113, and the cover plate 113 is transferred to the upstream of the pressing device 600 and used for pressing.

The lid transfer device 800 is similar to the transfer unit 410 except that: the net taking structure 412 may be connected to the third lifting plate 411 without using a lifting cylinder. The cover plate transfer device 800 comprises a transfer plate, four lifting cylinders connected to the transfer plate, a material taking structure connected to an output shaft of the lifting cylinders, and a transfer power part for driving the transfer plate to reciprocate. The power transferring part can adopt a belt mode similar to the power transferring component, the transferring plate is connected to one point of the belt, and the belt is provided with a belt pulley and a motor correspondingly; the transfer power part can also be a screw nut pair and a motor structure, and the transfer plate is connected with the nut block.

According to the utility model discloses four make-up machines of emery wheel has following beneficial effect at least: adopt rectangle loop construction's transmission groove 121, it is two liang to transmit die disc 112 side by side in the transmission groove 121, throw the material in this kind of transmission mode, stand the material, go up the net piece and the suppression process can both once handle four moulds 110 in step, throw the material device, stand the material device, it is comparatively easy to go up one structure of driving four in net piece device 400 and the suppression device 600, the setting that reduces power spare quantity is used, it is responsible for with the executive piece one-to-one to compare power spare, more make full use of power spare, the output of every process multi-disc, the productivity of every process all has very big promotion, holistic production efficiency obtains improving by a wide margin.

Referring to fig. 11, in some embodiments of the present invention, each of the first spreading device 300 and the second spreading device includes a first support 310, a first lifting plate 320 connected to the first support 310, four spreading blades 330 connected to the first lifting plate 320, and a spreading scraper 340 for driving the four spreading blades 330 to rotate along corresponding vertical axes, a first lifting power 350 for driving the first lifting plate 320 to move up and down is disposed on the first support 310, and the spreading scraper 340 is also disposed on the first lifting plate 320. By adopting a one-to-four mode, the single spreading and scraping power part 340 drives four scraping blades, and the single spreading and scraping power part 340 completes the flattening of the molding materials of the four molds 110 synchronously at one time. The scraping blade descends, then the scraping blade rotates and spreads the sand-scraping wheel molding material, so that the sand-scraping wheel molding material is spread, and the scraping blade is driven by the first lifting plate 320 to slowly ascend while rotating. The first lifting power component 350 can be a cylinder, a hydraulic cylinder and an electric cylinder, and can also be a combination of a screw-nut pair and a motor.

Referring to fig. 11, in some embodiments of the present invention, the scraping power part 340 includes a scraping motor 341, a driving gear 342 connected to a rotation shaft of the scraping motor 341, and a driven gear 343 connected to a rotation shaft of the scraping blade 330, and the driven gear 343 is engaged with the driving gear 342.

Referring to fig. 12, in some embodiments of the present invention, each of the first spreading device 300 and the second spreading device includes a first support 310, a first lifting plate 320 connected to the first support 310, four spreading blades 330 connected to the first lifting plate 320, a turntable 360 for supporting the lower end of the mold plate 112, and a first rotating power member 370 for synchronously driving the four turntables 360 to rotate, the turntable 360 and the first rotating power member 370 are connected below the conveying trough 121 through a second support 380, and the first lifting power member 350 for driving the first lifting plate 320 to move up and down is disposed on the first support 310. Also in a one-to-four driving manner, the first rotary power member 370 simultaneously drives the four rotary discs 360. The scraping blade descends, the rotary table 360 drives the die disc 112 to rotate, the scraping blade is used for spreading and scraping the molding materials of the grinding wheel, the molding materials of the grinding wheel are spread, and then the first lifting power part 350 drives the scraping blade to slowly ascend while rotating. The lower end of the transfer groove 121 is provided with a through hole for the die plate 112 to protrude downward.

The rotary power part can be directly a motor or a combination of the motor and a transmission system.

Referring to fig. 1, 4 and 5, in some embodiments of the present invention, the upper web device 400 includes a transfer assembly 410, two side-by-side turrets 420 and a switching power member 430 for driving the turrets 420 to rotate; the upper end of the rotating frame 420 is provided with four mesh placing positions 420a which are uniformly distributed around the circumference of the rotating shaft of the rotating frame 420, the direction of transferring the meshes by the transferring assembly 410 is vertical to the parallel direction of the two rotating frames 420, and the transferring assembly 410 is arranged above the position, close to the two rotating frames 420. The net feeding device 400 is skillfully provided with a pre-storage feeding structure, and specifically comprises two parallel rotating frames 420, the parallel direction is vertical to the material moving direction of the transfer assembly 410, four net placing positions 420a are uniformly distributed on the rotating frames 420, so that the total eight net placing positions 420a can be divided into four working positions in the middle and four pre-storage positions on the outer side, and the working positions and the pre-storage positions are exchanged when the rotating frames 420 rotate; the transfer assembly 410 is arranged above the working position, and the four-station mode of two parallel rotating frames 420 is adopted, so that four internet access processes have cache; the operation of loading the net sheet and the operation of pre-storing the net sheet cannot be interfered and influenced by the inner four working positions and the outer four pre-storing positions. The two rotating frames 420 can be driven by the same switching power member 430, the switching power member 430 includes a fourth bracket 431 and a positioning motor 432 connected to the fourth bracket 431, and the positioning motor 432 is connected to the two rotating frames 420 through a gear train and a vertical rotating shaft 433.

In some embodiments of the present invention, the upper net device 400 includes a rotating frame 420, the upper end of the rotating frame 420 is provided with eight net placing positions 420a uniformly distributed along the circumference of the rotating shaft of the rotating frame 420, and the transferring assembly 410 is disposed above the rotating frame 420. In this arrangement, the eight mesh placement bits 420a may also be divided into working bits and pre-stored bits, and the working bits and the pre-stored bits are interleaved; however, when the mesh is filled into the pre-stored bits, the pre-stored bits are relatively easily obstructed by the working bits, and the operation space of the pre-stored work is small.

Referring to fig. 5, the mesh placing position 420a of the rotating frame 420 is provided with a stacking plate 421 and a first cylinder 422 for driving the stacking plate 421 to move up and down, the stacking plate 421 is used for stacking meshes, and the first cylinder 422 may be an air cylinder, a hydraulic cylinder, or an electric cylinder. The upper end of the rotating frame 420 is further provided with a stacking rod 423, the stacking plate 421 is movably sleeved with the stacking rod 423, and the net sheets can be strung on the stacking rod 423.

Referring to fig. 5, the transferring assembly 410 includes a third lifting plate 411, four net-taking structures 412 disposed on the third lifting plate 411, and a first belt 413 for driving the third lifting plate 411 to reciprocate, wherein two ends of the first belt 413 are wound on first belt pulleys 414, and one of the first belt pulleys 414 is in transmission connection with a motor. The third lifting plate 411 may also be a screw nut pair, and the motor drives the screw to rotate, and the nut block on the screw drives the third lifting plate 411 to reciprocate. The net taking structure 412 can be a suction nozzle which is communicated with a suction power part, such as an air pump and a negative pressure valve; the net taking structure 412 may also be in a sticky manner, and the net taking structure 412 includes an original tape roller and a winding roller, the original tape roller is wound with sticky tapes, the original tape roller is lower than the winding roller, the sticky tapes drawn by the original tape roller are wound on the winding roller, and the winding roller is connected to a winding motor. The adhesive tape on the lower original tape roller can be adhered to the net sheet, and the adhesive tape adhered to the net sheet can be wound.

The transfer assembly 410 includes a corresponding rack, third rack 415; the first pulley 414 and its corresponding motor are connected to a third bracket 415.

In some embodiments of the present invention, the utility model further comprises a net baking device; referring to fig. 15, the net-baking apparatus includes a heat generating member such as a UV lamp, an electric heating tube, etc. for generating heat toward the mold 110. The mesh is placed in the mold 110, and the heating member is used for thermoplastic molding of the mesh. The utility model discloses an in some embodiments, still include pre-compaction device, pre-compaction device includes second punching press head and cylinder body, and the cylinder body is used for driving the first reciprocating motion of second punching press. After the net piece is thermoplastic, prepressing the net piece immediately, and prepressing the first layer of grinding wheel molding material and the net piece; or after the second layer of the grinding wheel forming material is flattened, pre-pressing the two layers of the grinding wheel forming material and the mesh. The pre-pressure is lower, and the material is pressed and formed later.

Referring to fig. 1, in some embodiments of the present invention, the ring piece feeding device 710 is further included, the second feeding device, the second spreading device, the ring piece feeding device 710 and the pressing device 600 are sequentially arranged along the rectangle, and the ring piece feeding device 710 is used for feeding the ring pieces to the die disc set. In the production of the grinding wheel, the middle position of part of the grinding wheel is also connected with the ring piece/the hole ring, so that the grinding wheel has higher installation strength, can be installed in a rotating shaft of equipment such as a polishing machine and the like, and is not easy to crack when being clamped; the first feeding device 200, the first material spreading device 300, the upper net piece device 400, the second feeding device, the second material spreading device, the ring piece feeding device 710 and the pressing device 600 are sequentially arranged, and the ring pieces are placed after the molding materials and the net pieces are assembled in place.

Referring to fig. 6-8, in some embodiments of the present invention, ring segment drop device 710 includes an upper ring assembly 711, a split ring assembly 712, and a moving ring assembly 713. Referring to fig. 6 and 8, the split ring assembly 712 includes a split ring belt 712a, a split ring pulley 712b connected to an end of the split ring belt 712a, and a split ring motor 712c for driving the split ring belt 712a to rotate reciprocally, the split ring motor 712c is connected to the split ring pulley 712b in a transmission manner, the upper ring assembly 711 is used for transferring the ring sheets to a middle portion of the split ring belt 712a, the forward and reverse rotation of the split ring belt 712a is used for projecting the ring sheets to both ends of the split ring belt 712a, and the moving ring assembly 713 is used for transferring the ring sheets at both ends of the split ring belt 712a to the mold 110. It can be understood that: those skilled in the art will appreciate that the belt and pulley are used in a kit.

Referring to fig. 6 and 8, the upper ring assembly 711 includes a material tray 711a and a spiral upper ring groove 711b, an inner bottom of the material tray 711a is tapered with a high middle part and a low outer end and is used for containing ring pieces, the material tray 711a is connected with a second rotating power member, an opening capable of containing a single ring piece is formed in a lower end of the spiral upper ring groove 711b and connected to the inner bottom of the material tray 711a, and an output end of the upper end of the spiral upper ring groove 711b is used for guiding the ring pieces out of the middle part of the ring-dividing belt 712 a. Specifically, the upper end of the spiral upper ring groove 711b leads out a ring piece from the middle of the split-ring belt 712a through an outward extending groove. The material disc 711a rotates, because the inner part of the material disc 711a is high at the middle and low at the outer side, and when the outer side is empty, the ring sheet is supplied along the inclined plane; the material disk 711a rotates and the opening at the lower end of the spiral upper ring groove 711b allows a ring plate to pass through, and the ring plates advance one by one in line in the spiral upper ring groove 711 b. The lower end of the outward extending groove is connected with a vibrating machine, and the outward extending groove is obliquely arranged; without vibration, the ring cannot move forward due to friction; the vibration of the extending groove causes the ring sheet to move forward.

Referring to fig. 6 and 7, the moving ring assembly 713 includes a moving plate 713a, lifting cylinders 713b connected to both ends of the moving plate 713a, and adaptor plates 713c connected to output shafts of the lifting cylinders 713b, wherein both ends of the adaptor plates 713c are provided with magnetic attraction pieces 713d, and the magnetic attraction pieces 713d are used for attracting ring pieces; the moving plate 713a is connected to a belt, moved by the belt, or connected to a lead screw nut pair. The magnetic attraction pieces 713d on the two adapter plates 713c successively attract the ring pieces, and then the four ring pieces are transferred to the mold 110 together.

Referring to fig. 1, in some embodiments of the present invention, the apparatus further comprises a trademark releasing device 720, the second releasing device, the second spreading device, the trademark releasing device 720 and the pressing device 600 are sequentially arranged along the rectangle, and the trademark releasing device 720 is used for releasing trademark paper sheets to the mold disk set. The first feeding device 200, the first spreading device 300, the upper net piece device 400, the second feeding device, the second spreading device, the ring piece feeding device 710 and the pressing device 600 are sequentially arranged, and trademark paper pieces are put in after the molding materials and the net piece are assembled in place, so that the trademark paper pieces are adhered to the grinding wheel, and the production, the sales management and the checking by sellers and users are facilitated.

The trademark releasing device 720 has a similar structure to the upper web device 400, see the upper web device 400 described above.

Referring to fig. 14, in some embodiments of the present invention, a waxing device 910 is further included, and the waxing device 910 is used for waxing the mold disk set. The waxing device 910 comprises an eighth bracket 911, a fourth lifting plate 912 connected to the eighth bracket 911, four vertical rotating rods 913 connected to the fourth lifting plate 912, wax blocks 914 connected to the lower ends of the vertical rotating rods 913, and wax wiping power parts 915 used for driving the four vertical rotating rods 913 to rotate, wherein the wax wiping power parts 915 are connected to the fourth lifting plate 912, a fourth lifting power part 916 used for driving the fourth lifting plate 912 to move up and down is arranged on the eighth bracket 911, and the eighth bracket is connected to the transmission groove. In a one-to-four manner, a single wax wiper motor 915 drives four wax blocks 914. The fourth lifting plate 912 drives the wax block 914 to descend, the wax block 914 can abut against the mold plate, and the wax block 914 rotates, so that the wax block 914 coats wax on the mold plate. The bottom of the die disc is firstly waxed, the grinding wheel which is pressed and formed in the die disc can be easily separated, the grinding wheel is not easy to damage and damage, and grinding wheel forming powder is not easy to remain on the die disc. The wax wiping power element 915 includes a wax wiping motor and a gear train.

A bottoming device 920 is also included. The structure of the bottom pressing device 920 is similar to that of the pressing device and the pre-pressing device, and the bottom pressing device 920 comprises a third punching head and a cylinder body for driving the third punching head to move up and down.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims (9)

1. A four-piece forming machine for grinding wheels is used for processing grinding wheel forming materials and meshes into grinding wheels, and is characterized by comprising a mold (110), wherein the mold (110) comprises a base plate (111) and a mold disc group, four placing holes (111a) are formed in the base plate (111) in an array manner of two rows and two columns, and the mold disc group comprises four mold discs (112) which correspond to the placing holes (111a) one by one;

the die plate set further comprises a rectangular conveying groove (121) and a pushing cylinder (122) arranged at the corner position of the rectangle, wherein the pushing cylinder (122) is used for pushing the base plate (111) to enable the base plate (111) and the die plate set to be circularly conveyed along the rectangle,

the grinding wheel molding machine further comprises a first feeding device (200), a first material spreading device (300), an upper wafer device (400), a second feeding device, a second material spreading device and a pressing device (600) which are sequentially arranged along the rectangle, wherein the first feeding device (200) and the second feeding device are used for feeding grinding wheel molding materials into the die disc set; the first material spreading device (300) and the second material spreading device are used for spreading the grinding wheel molding material in the die disc set; the upper net piece device (400) is used for putting net pieces into the die disc set; and the pressing device (600) is used for pressing and forming the grinding wheel forming material and the mesh in the die disc set.

2. The four-piece molding machine with grinding wheels according to claim 1, characterized in that the upper mesh device (400) comprises a transfer assembly (410), two side-by-side turrets (420) and a switching power member (430) for driving the turrets (420) to rotate; the mesh transferring device is characterized in that four mesh placing positions (420a) uniformly distributed around the circumference of a rotating shaft of the rotating frame (420) are arranged at the upper end of the rotating frame (420), the direction of transferring meshes of the transferring assembly (410) is perpendicular to the parallel direction of the two rotating frames (420), and the transferring assembly (410) is arranged above the position, close to the two rotating frames (420), of the two rotating frames (420).

3. The four-piece molding machine for grinding wheels according to claim 1, further comprising a ring piece feeding device (710), wherein the second feeding device, the second spreading device, the ring piece feeding device (710) and the pressing device (600) are sequentially arranged along the rectangle, and the ring piece feeding device (710) is used for feeding ring pieces to the die disc set.

4. The four-piece molding machine for grinding wheels according to claim 3, wherein the ring piece throwing device (710) comprises an upper ring assembly (711), a split ring assembly (712) and a moving ring assembly (713), the split ring assembly (712) comprises a split ring belt (712a), a split ring pulley (712b) connected with the end part of the split ring belt (712a), a split ring motor for driving the split ring belt (712a) to rotate in a reciprocating manner, the split ring motor is in transmission connection with the split ring pulley (712b), the upper ring assembly (711) is used for transferring the ring pieces to the middle part of the split ring belt (712a), the forward and reverse rotation of the split ring belt (712a) is used for throwing the ring pieces out to the two ends of the split ring belt (712a), and the moving ring assembly (713) is used for transferring the ring pieces at the two ends of the split ring belt (712a) to the mold (110).

5. The four-piece forming machine for grinding wheels according to claim 1, further comprising a trademark release device (720), wherein the second feeding device, the second spreading device, the trademark release device (720) and the pressing device (600) are sequentially arranged along the rectangle, and the trademark release device (720) is used for releasing trademark paper sheets to the die disc set.

6. The four-piece grinding wheel forming machine according to claim 1, wherein each of the first spreading device (300) and the second spreading device comprises a first support (310), a first lifting plate (320) connected to the first support (310), four spreading blades (330) connected to the first lifting plate (320), and a spreading and scraping power member (340) for driving the four spreading blades (330) to rotate along a corresponding vertical axis, and a first lifting power member (350) for driving the first lifting plate (320) to move up and down is arranged on the first support (310).

7. The four-piece molding machine for grinding wheels according to claim 1, wherein the scraping power part (340) comprises a scraping motor (341), a driving gear (342) connected with a rotating shaft of the scraping motor (341), and a driven gear (343) connected with a rotating shaft of the scraping blade (330), and the driven gear (343) is meshed with the driving gear (342).

8. The four-piece grinding wheel forming machine according to claim 1, wherein each of the first spreading device (300) and the second spreading device comprises a first support (310), a first lifting plate (320) connected to the first support (310), four spreading blades (330) connected to the first lifting plate (320), a turntable (360) for supporting the lower end of the mold plate (112), and a first rotating power member (370) for synchronously driving the four turntables (360) to rotate, the turntable (360) and the first rotating power member (370) are connected below the conveying groove (121) through a second support (380), and the first lifting power member (350) for driving the first lifting plate (320) to move up and down is arranged on the first support (310).

9. The four-piece grinding wheel forming machine according to claim 1, further comprising a waxing device (910), wherein the waxing device (910) comprises an eighth support (911), a fourth lifting plate (912) connected to the eighth support (911), four vertical rotating rods (913) connected to the fourth lifting plate (912), a wax block (914) connected to the lower end of the vertical rotating rod (913), and wax wiping power parts (915) used for driving the four vertical rotating rods (913) to rotate, the wax wiping power parts (915) are connected to the fourth lifting plate (912), fourth lifting power parts (916) used for driving the fourth lifting plate (912) to move up and down are arranged on the eighth support (911), and the eighth support is connected to the transmission groove.

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