CN112743462A - Cymbal-shaped resin grinding wheel die-dividing machine - Google Patents

Abstract

The invention discloses a cymbal-shaped resin grinding wheel die-splitting machine, which comprises a machine body, a conveying belt on the machine body, a plurality of positioning brackets, a core rod pushing mechanism, a feeding mechanism and a material distributing mechanism, wherein a plurality of cymbal-shaped resin grinding wheels and a pressing die piece are arranged at intervals and sleeved on a core rod to form an assembly whole body which is arranged on the positioning brackets, the positioning brackets are arranged on the conveying belt, and the diameter of the pressing die piece is larger than that of the cymbal-shaped resin grinding wheels; the core rod pushing mechanism and the feeding mechanism are sequentially arranged along the conveying direction of the conveying belt, and the distributing mechanism is arranged at the rear end of the feeding mechanism in the feeding direction; the mandrel pushing mechanism pushes the mandrel on the positioning bracket out of the assembly whole body; the feeding mechanism conveys a combination body consisting of a cymbal-shaped resin grinding wheel piece and a pressing die piece into the material distributing mechanism; the material distributing mechanism limits the periphery of the pressing die piece, the pressing die piece or the cymbal-shaped resin grinding wheel piece is sequentially transmitted, and a discharging opening through which the cymbal-shaped resin grinding wheel piece falls is formed in the transmission direction and is separated from the pressing die piece.

Description

Cymbal-shaped resin grinding wheel die-dividing machine

Technical Field

The invention belongs to the technical field of grinding wheel manufacturing equipment, and particularly relates to a cymbal-shaped resin grinding wheel die-splitting machine.

Background

A cymbal-shaped resin grinding wheel is a cymbal-shaped grinding wheel made of resin, and is mainly installed on an electric or pneumatic angle grinder or a high-speed portable grinder to grind welding spots, welding seams, burrs, flash edges and the like on the surfaces of shells of automobiles, ships, agricultural machines and the like or shells of various mechanical castings of machine tools and the like and grind metal surface defects, so that the surfaces of ground parts are ensured to be neat and attractive, and the processing precision of the ground parts is improved.

The resin grinding wheel is generally pressed into a disc shape by materials such as a reinforced fiber net, a resin binder and the like, in the production process, a plurality of resin grinding wheels and a pressing die are connected together at intervals by a core rod, and the resin grinding wheels are locked by nuts and then placed in an oven for drying, so that the resin grinding wheel product is shaped. The disc-shaped structure of the traditional resin grinding wheel is divided into a plane disc-shaped structure and a cymbal-shaped disc-shaped structure, and after the drying process, the plane disc-shaped resin grinding wheel is in the same plane with the clamping mould, so that the resin grinding wheel can be separated from the mould by a simple tool; however, because the cymbal-shaped disc-shaped resin grinding wheel has the concave-convex surface, the cymbal-shaped disc-shaped resin grinding wheel is separated from a matched pressing die by manual operation, so that the production efficiency is low, the labor intensity is high, and the device is not suitable for a large amount of demands of modern industries on the grinding wheel, so that a device for drying and shaping the cymbal-shaped resin grinding wheel needs to be developed, the automatic die separation and the slicing are performed, the automatic production demand of enterprises is met, and the workload of manual operation is reduced.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a cymbal-shaped resin grinding wheel die-separating machine which can effectively reduce manual work by automatically realizing the reliable separation of a die and a cymbal-shaped resin grinding wheel which are arranged at intervals.

In order to achieve the purpose, the invention adopts the following technical scheme: a cymbal-shaped resin grinding wheel die-splitting machine comprises a machine body, a conveying belt arranged on the machine body, a plurality of positioning brackets, a core rod pushing mechanism, a feeding mechanism and a material distributing mechanism, wherein a plurality of cymbal-shaped resin grinding wheels and a pressing die piece are arranged at intervals and sleeved on a core rod to form an assembly whole which is arranged on the positioning brackets, the positioning brackets are arranged on the conveying belt, and the diameter of the pressing die piece is larger than that of the cymbal-shaped resin grinding wheel piece; the core rod pushing mechanism and the feeding mechanism are sequentially arranged along the conveying direction of the conveying belt, and the distributing mechanism is arranged at the rear end of the feeding direction of the feeding mechanism; the mandrel pushing mechanism is coaxially arranged with the mandrel and pushes the mandrel on the positioning bracket out of the assembly whole body; the feeding mechanism conveys a combination body consisting of a cymbal-shaped resin grinding wheel piece and a pressing die piece on the positioning bracket into the material distributing mechanism; the material distribution mechanism and the feeding mechanism are coaxially arranged, the periphery sides of the pressing die pieces in the assembly are limited one by one, and the pressing die pieces or cymbal-shaped resin grinding wheels arranged at intervals are sequentially transmitted; and a feed opening is formed in the machine body in the transmission direction of the material distribution mechanism, and the cymbal-shaped resin grinding wheel falls off from the feed opening and is separated from the pressing die piece.

Further, the mandrel pushing mechanism comprises a first air cylinder and a first proximity switch, the first air cylinder is arranged at a material conveying inlet of the conveying belt, and when the first proximity switch is used for detecting that the assembly whole on the positioning bracket and the first air cylinder are in a coaxial position, a push rod of the first air cylinder pushes the mandrel out of the assembly whole.

Furthermore, the feeding mechanism comprises a second air cylinder and a second proximity switch, and when the first proximity switch is used for detecting that the combined body on the positioning bracket and the second air cylinder are in the coaxial position, the push rod of the second air cylinder pushes the combined body to enter the material distribution mechanism.

Furthermore, the material distribution mechanism adopts a delta-shaped friction rolling mechanism and comprises two supports, two side pressure friction belts, an upper pressure friction belt, a rotating motor and a third cylinder, wherein the two supports are symmetrically arranged, the two side pressure friction belts are respectively arranged at opposite sides of the two supports, the upper pressure friction belt is arranged above the space between the two side surface friction belts, the rotating motor drives the side pressure friction belts to transmit, and the third cylinder drives the upper pressure friction belt to reciprocate up and down; the space between the two side pressure friction belts and the upper pressure friction belt forms a channel for conveying the combined body, the two side pressure friction belts and the upper pressure friction belt carry out limit friction conveying on the outer periphery side of each pressing die piece, and the side pressure friction belts and the upper pressure friction belt carry out conveying together with a cymbal-shaped resin grinding wheel piece positioned between the two pressing die pieces; the machine body is provided with a feed opening on the channel, and the cymbal-shaped resin grinding wheel is separated.

Furthermore, the material distributing mechanism further comprises a fourth cylinder and a door blocking plate, the door blocking plate blocks the inlet of the channel, the fourth cylinder is connected with the door blocking plate, and an ejector rod of the fourth cylinder stretches and retracts to open or close the inlet of the channel.

Furthermore, an anti-overturning baffle plate is arranged below the feed opening, and the cymbal-shaped resin grinding wheels fall into the feed opening and are limited by the anti-overturning baffle plate, so that the orientation of each cymbal-shaped resin grinding wheel is kept uniform.

Furthermore, the locating bracket is a boss with a groove on the surface, a plurality of cymbal-shaped resin grinding wheels and a pressing die piece are arranged at intervals and sleeved on the assembly whole formed on the core rod and are arranged in the groove, and the pressing die piece is contacted with the surface of the groove.

The mould piece collecting mechanism is arranged on the machine body, and a discharge opening of the pressing mould piece positioned behind the material distributing mechanism is positioned on the same axis with the feeding mechanism; the die piece collecting mechanism comprises a mounting seat, a sixth air cylinder and a fifth air cylinder arranged on the mounting seat, the front end of the mounting seat is hinged with the machine body, and the rear end of the mounting seat is connected with the sixth air cylinder positioned below the mounting seat; after the ejector rods of the fifth cylinder are collected to the plurality of pressing die pieces in a telescopic mode, the sixth cylinder drives the mounting base to overturn for 90 degrees along the hinged portion in a telescopic mode, the fifth cylinder is driven to overturn for 90 degrees, and the ejector rods of the fifth cylinder shrink to be separated from the plurality of pressing die pieces.

Furthermore, the mould piece pushing mechanism is arranged on the machine body in a direction vertical to the mounting seat of the mould piece collecting mechanism; the die piece pushing mechanism comprises a seventh cylinder and a push plate, the push plate is arranged at the front end of an ejector rod of the seventh cylinder, and the ejector rod of the seventh cylinder stretches and retracts to drive the push plate to push a plurality of pressing die pieces away from the upper side of the fifth cylinder.

Furthermore, a collecting funnel is arranged on the machine body in the plug pushing direction of the plug pushing mechanism, and the plug is separated from the whole assembly and falls into a containing box below the collecting funnel.

By adopting the technical scheme of the invention, the invention has the beneficial effects that: the mould dividing machine realizes the automatic separation operation of the cymbal-shaped resin grinding wheel and the mould after drying and shaping, improves the production efficiency of products, reduces the labor intensity of workers, has the advantages of simple structure and high automation degree, and effectively finishes the separation and collection operation of the grinding wheel and the mould.

Drawings

FIG. 1 is a schematic structural diagram of a full-automatic cymbal-shaped resin grinding wheel dividing machine;

FIG. 2 is a schematic view of the structure of a cymbal resin grinding wheel on a core removing rod;

FIG. 3 is a schematic process diagram of the mandrel pushing mechanism;

FIG. 4a is a top view of the cymbal-shaped resin grinding wheel automatic separation process;

FIG. 4b is a sectional view of the cymbal-shaped resin grinding wheel in the automatic separation step;

FIG. 5a is a sectional view of an automatic aligning process of cymbal-shaped resin grinding wheel pressing molds;

FIG. 5b is a top view of the automatic aligning step of the cymbal-shaped resin grinding wheel pressing mold;

FIG. 6a is a partial cross-sectional view of a first automated compaction tool piece collection process;

FIG. 6b is a top view of the first automatic collection process for the compression mold pieces;

FIG. 7a is a partial cross-sectional view of the second automatic collection of compressed die pieces after being flipped 90 degrees;

FIG. 7b is a top view of the second process step of automatic collection of the compressed die pieces, turned 90 degrees;

FIG. 7c is a cross-sectional view of the second automatic collection step of the compression mold pieces flipped 90 degrees;

FIG. 8a is a top view of a three stack collection configuration of the compression die piece auto-collection sequence;

fig. 8b is a sectional view showing a three-stack collecting state of the pressing die piece automatic collecting process.

In the figure, 1 conveyer belt, 2 collecting hopper, 3 pressing die piece, 4 adjusting screw, 5 baffle, 6 support, 7 fifth cylinder, 8 hinge, 9 push plate, 10 seventh cylinder, 11 third cylinder, 12 upward pressing friction belt, 13 rotating motor, 14 side pressing friction belt, 15 fourth cylinder, 16 baffle plate, 17 second cylinder, 18 second approach switch, 19 first cylinder, 20 body, 21 core rod, 22 assembly, 23 nut, 24 cymbal resin grinding wheel, 25 convex surface, 26 concave surface, 27 first push rod, 28 containing box, 29 telescopic rod, 30 rotating joint, 31 sixth cylinder, 32 positioning bracket, 33 anti-overturn baffle, 34 grinding wheel collecting platform, 35 feed opening, 36 mounting seat, 37 first approach switch, 101 core rod pushing mechanism, 102 feeding mechanism, 103 distributing mechanism, 104 die piece collecting mechanism, 105 die piece pushing mechanism.

Detailed Description

The following further explains the specific scheme of the present invention with reference to the drawings, so that the technical scheme is clearer and more obvious. The invention may be embodied or carried out in various other specific embodiments, and it is to be understood that the invention may be practiced otherwise than as specifically described and that the specific embodiments may be modified and that the specific details may be varied from those described and illustrated without departing from the spirit or scope of the present invention.

As shown in fig. 1, the cymbal resin grinding wheel molding machine of the present embodiment comprises a machine body 20, a conveyor belt 1 arranged on the machine body 20, a plurality of positioning brackets 32, a mandrel pushing mechanism 101, a feeding mechanism 102 and a material dividing mechanism 103, wherein a plurality of cymbal resin grinding wheels 24 and a pressing mold piece 3 are arranged at intervals and sleeved on a mandrel 21 to form an assembly whole, the assembly whole is arranged on the positioning brackets 32, the positioning brackets 32 are arranged on the conveyor belt 1, and the diameter of the pressing mold piece 3 is larger than that of the cymbal resin grinding wheel 24; the mandrel pushing mechanism 101 and the feeding mechanism 102 are sequentially arranged along the conveying direction of the conveying belt 1, and the material distributing mechanism 103 is arranged at the rear end of the feeding mechanism 101 in the feeding direction; the mandrel pushing mechanism is coaxially arranged with the mandrel and pushes the mandrel on the positioning bracket out of the assembly whole body; the feeding mechanism conveys a combination body consisting of a cymbal-shaped resin grinding wheel piece and a pressing die piece on the positioning bracket into the material distributing mechanism; the material distribution mechanism and the feeding mechanism are coaxially arranged, the periphery sides of the pressing die pieces in the assembly are limited one by one, and the pressing die pieces or cymbal-shaped resin grinding wheels arranged at intervals are sequentially transmitted; and a feed opening is formed in the machine body in the transmission direction of the material distribution mechanism, and the cymbal-shaped resin grinding wheel falls off from the feed opening and is separated from the pressing die piece.

The mandrel pushing mechanism 101 of the embodiment includes a first air cylinder 19 and a first proximity switch 37, the feeding mechanism 102 includes a second air cylinder and a second proximity switch, the material distribution mechanism 103 includes two supports 6, two side pressure friction belts 14, an upper pressure friction belt 12, a rotating motor 13, a third air cylinder 11, a fourth air cylinder 15 and a shutter plate 16, the die piece collecting mechanism 104 includes a mounting seat 36, a fifth air cylinder 7 and a sixth air cylinder 31, and the die piece pushing mechanism 105 includes a seventh air cylinder 10 and a push plate 9.

The whole process arrangement and combination structure of the full-automatic cymbal resin grinding wheel dividing machine of the embodiment can be seen (fig. 1). Wherein: a plurality of positioning brackets 32 are arranged on the conveying belt 1, and each positioning bracket 32 is used for placing an assembly whole formed by arranging a plurality of cymbal-shaped resin grinding wheel sheets and a pressing die sheet at intervals and sleeving a core rod. The mandrel pushing mechanism 101 and the feeding mechanism 102 are sequentially arranged on one side of the conveying belt 1, the first air cylinder 19 and the second air cylinder 17 are arranged side by side at intervals, the first air cylinder 19 is arranged at the conveying inlet position of the conveying belt 1, the first approaching opening 37 is further arranged on the air cylinder mounting plate position of the first air cylinder 19 and used for detecting signal transmission after the assembly is integrally transmitted to the position which is coaxial with the first air cylinder 19, and the second air cylinder 17 and the second approaching switch 18 are arranged on the next working station of the first air cylinder 19. A collecting hopper 2 is arranged on the other side of the conveyer belt 1 opposite to the first cylinder 19, and is used for collecting and storing the core rods 21 after the first push rod 27 of the first cylinder 19 is extended and retracted. And door blocking plates 16 in a left-right side-by-side door type are arranged at the positions opposite to the second air cylinders 17 at intervals of the conveying belt 1, and the left door blocking plate 16 and the right door blocking plate 16 are respectively connected with two fourth air cylinders 15. A material distributing mechanism is distributed at the rear row position of the door baffle 16 and at the coaxial position of the second cylinder 17, the material distributing mechanism adopts a delta-shaped friction rolling mechanism, and the delta-shaped friction rolling mechanism comprises two brackets 6, a side pressure friction belt 14, an upper pressure friction belt 12, a rotating motor 13, a third cylinder 11 and the like which are arranged in bilateral symmetry. The single support 6 is of a half I-shaped structure (but not limited to the structure), namely, grooves are formed in opposite sides of the support 6, the side pressure friction belts 14 are installed in the grooves of the support 6, the left support 6 and the right support 6 are installed in opposite positions with opposite groove openings, the upper pressure friction belt 12 is installed above the middle of the two side pressure friction belts in a hanging mode through a fixed support, and the upper pressure friction belt 12 and the two side pressure friction belts 14 form a triangular structure arrangement. The third cylinder 11 is arranged on one of the brackets 6, the upper pressure friction belt 12 and the fixed bracket thereof can realize the reciprocating motion of the up-and-down stroke through the third cylinder 11, and the bracket 6 for installing the side pressure friction belt 14 can realize the width adjustment between the left side pressure friction belt 14 and the right side pressure friction belt 14 through the adjusting screw 4 so as to meet the automatic separation of resin grinding wheels and clamping dies with different sizes and specifications.

As shown in the partial structure diagrams of fig. 4b and fig. 5a, a material discharge opening 35 is formed at a position below an inlet of the pin-shaped friction rolling mechanism, where the assembly 22 composed of the cymbal-shaped resin grinding wheel and the pressing mold piece is just clamped into the position of the friction belt, and is transported to a rear station (in the rotating direction), and an anti-overturning baffle 33 is arranged below the material discharge opening 35, so that when the falling cymbal-shaped resin grinding wheel 24 is automatically separated and falls off on the grinding wheel collecting table 34, the same upward state can be maintained, and subsequent collection and packaging are facilitated.

Referring to fig. 1, 6 a-6 b, and 7 a-7 c, a fifth cylinder 7 is disposed in the direction of the discharge port of the delta-shaped friction rolling mechanism and on the same axis as the second cylinder 17, the fifth cylinder 7 is mounted on a mounting seat 36, the mounting seat 36 forms a rotational link with the machine body 20 through a hinge 8, and the lower portion of the mounting seat 36 is connected with the sixth cylinder 31 by using a rotary joint 30 (fig. 6 a), and the mounting seat 36 can be turned over by 90 ° (fig. 7 a) when the ram in the sixth cylinder 31 contracts. A seventh cylinder 10 is designed and installed on one side of the installation seat 36 which is perpendicular to the axis of the fifth cylinder 7, and a push plate 9 (preferably, a Y-fork type push plate is adopted as the push plate) is designed and installed at the head end of the seventh cylinder 10. Two baffle plates 5 (shown in fig. 1) are designed and installed on the other side of the installation seat 36 and at the position opposite to the seventh cylinder 10.

Referring to fig. 2, the combination and drying process of the cymbal-shaped resin grinding wheel 24, the pressing mold piece 3 and the core rod 21 is schematically shown to be assembled, and the three parts are assembled to form an assembly. Wherein the core rod 21 is T-shaped structure, one end is a screw head, and the cymbal-shaped resin grinding wheel 24 and the pressing die piece 3 are connected in series at intervals. In the drying step, the locking and pressing by the nut 23 are required to shape and shape the cymbal-shaped resin grinding wheel 24. After the drying process is completed, the nut 23 is unscrewed, and then the assembly formed by the cymbal-shaped resin grinding wheel pieces 24 and the pressing die piece 3 being spaced apart and fitted over the core rod 21 is placed on the positioning bracket 32 of the conveyor 1 with the flange end of the T-shaped core rod 21 facing away from the first cylinder 19 (see fig. 1 and 3). The outer dimension of the pressing die piece 3 is larger than that of the cymbal-shaped resin grinding wheel piece 24.

With reference to the drawings, the mold separation process of the cymbal resin grinding wheel mold separator of the present embodiment is as follows.

(1) A first working procedure: referring to fig. 3, when the assembly formed by the cymbal-shaped resin grinding wheel pieces 24 and the pressing mold piece 3 which are arranged at intervals and sleeved on the core rod 21 and fixed in the orientation and positioned on the positioning bracket 32 is conveyed to be in an axial state with the first cylinder 19 through the conveyer belt 1, the first proximity switch 37 senses a workpiece in-place signal and sends an instruction to the PLC control system in real time, the first cylinder 19 is driven to work to push the first push rod 27 out, and the first push rod 27 directly pushes the core rod 21 to separate from the assembly because of being in a coaxial state with the core rod 21 in the process of pushing out, and drops in the containing box 28 through the collecting hopper 2, so that the core-removing and collecting action of the first process is completed.

(2) The second working procedure is as follows: referring to fig. 4 a-4 b and 5 a-5 b, when the depoling combination 22 composed of the cymbal resin grinding wheel and the pressing mold piece is conveyed to the axial position of the second cylinder 17 by the conveyor belt 1, the second proximity switch 18 senses the workpiece in-position signal and sends a signal to the PLC control system in real time, the second cylinder 17 and the fourth cylinder 15 are driven to operate simultaneously, the door stopper plate 16 is pulled away from the left and right sides by the driving of the fourth cylinder 15 in the process that the push rod of the second cylinder 17 pushes the combination 22 to move towards the delta-shaped friction rolling mechanism, so that the unseparated grinding wheel and the mold combination 22 pass smoothly, at this time, the pressing mold piece 3 moves towards the direction of the fifth cylinder 7 under the delta-shaped friction transmission of the upper pressing friction belt 12 and the side pressing friction belt 14 (the working state of the rotating motor 13), because the outer contour dimension of the pressing mold piece 3 is larger than that of the cymbal resin grinding wheel 24, therefore, the friction belt only acts on the outer contour of the pressing die piece 3 and moves forwards in the rotating process of the friction belt, and due to the sequence of the pressing die pieces 3 entering the triangular friction belt rolling mechanism, when the first pressing die piece 3 is frictionally conveyed by the friction belt, the cymbal-shaped resin grinding wheel 24 clamped between the first pressing die piece and the second pressing die piece is separated from the first pressing die piece 3, falls off by gravity under the action of no stress, enters the feed opening 35, and falls on the grinding wheel collecting table 34 in a uniform direction under the action of the anti-overturning baffle 33. When all the pressing die pieces 3 enter the triangular friction rolling mechanism, the original unseparated combination 22 consisting of the cymbal-shaped resin grinding wheel and the pressing die pieces realizes the full-automatic separation of the cymbal-shaped resin grinding wheel 24 and the pressing die pieces 3.

(3) The third working procedure is as follows: as shown in fig. 6 a-6 b and 7 a-7 c, during the transportation of the delta-shaped friction rolling mechanism, when the first pressing mold piece 3 is about to be separated from the friction belt, the push rod of the fifth cylinder 7 just extends out and penetrates through the central through hole of the pressing mold piece 3 until the last pressing mold piece 3 also penetrates into the push rod (i.e., the telescopic rod 29 in the figure) of the fifth cylinder 7. At this time, the sixth cylinder 31 starts to work under the periodic control of the PLC, drives the telescopic rod 29 to perform the retracting action, and pulls the mounting seat 36 together with the fifth cylinder 7 to complete the 90-degree turnover. After the inversion is completed, the push rod of the fifth cylinder 7 is retracted into the mounting seat 36 (shown in fig. 7 c).

(4) A fourth working procedure: as shown in fig. 7 a-7 c and 8 a-8 b, when the ejector rod of the fifth cylinder 7 retracts into the mounting seat 36, the seventh cylinder 10 starts to operate, and the ejector rod of the seventh cylinder 10 and the push plate 9 push the stacked compression mold pieces 3 to move in the direction between the two baffle plates 5 (fig. 8 a-8 b). The stroke distance is larger than the size distance of the mounting seat 36, and the ejector rod of the seventh cylinder 10 can be recovered.

Thus, the full-automatic separation and sorting and collection of the whole set of the resin grinding wheel 24 in the form of a unit cymbal from the pressing die piece 3 are completed through the above-mentioned processes.

Under the control of a PLC program and the setting of process beats, the plurality of mechanism units continuously repeat the working process, namely, the full-automatic separation and classification collection work of the plurality of groups of cymbal-shaped resin grinding wheels 24 and the pressing die pieces 3 is realized.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention.

Claims (10)

1. A die-dividing machine for cymbal-shaped resin grinding wheels is characterized by comprising a machine body, a conveying belt, a plurality of positioning brackets, a core rod pushing mechanism, a feeding mechanism and a material-dividing mechanism, wherein the conveying belt, the plurality of positioning brackets, the core rod pushing mechanism, the feeding mechanism and the material-dividing mechanism are arranged on the machine body;

the core rod pushing mechanism and the feeding mechanism are sequentially arranged along the conveying direction of the conveying belt, and the distributing mechanism is arranged at the rear end of the feeding direction of the feeding mechanism; the mandrel pushing mechanism is coaxially arranged with the mandrel and pushes the mandrel on the positioning bracket out of the assembly whole body; the feeding mechanism conveys a combination body consisting of a cymbal-shaped resin grinding wheel piece and a pressing die piece on the positioning bracket into the material distributing mechanism;

the material distribution mechanism and the feeding mechanism are coaxially arranged, the periphery sides of the pressing die pieces in the assembly are limited one by one, and the pressing die pieces or cymbal-shaped resin grinding wheels arranged at intervals are sequentially transmitted; and a feed opening is formed in the machine body in the transmission direction of the material distribution mechanism, and the cymbal-shaped resin grinding wheel falls off from the feed opening and is separated from the pressing die piece.

2. The machine of claim 1, wherein the pin ejector comprises a first cylinder and a first proximity switch, the first cylinder is disposed at the feeding inlet of the feeding belt, the first proximity switch is configured to detect that the assembly unit of the positioning bracket is in a coaxial position with the first cylinder, and the push rod of the first cylinder pushes the pin out of the assembly unit.

3. The machine of claim 1, wherein the feeding mechanism comprises a second cylinder and a second proximity switch, the first proximity switch is used to detect that the assembly on the positioning bracket and the second cylinder are in a coaxial position, and the push rod of the second cylinder pushes the assembly into the separating mechanism.

4. The machine of claim 1, wherein the material separating mechanism is a delta-shaped friction rolling mechanism, and comprises two supports, two side pressure friction belts, an upper pressure friction belt, a rotating motor and a third cylinder, the two supports are symmetrically arranged, the two side pressure friction belts are respectively arranged at opposite sides of the two supports, the upper pressure friction belt is arranged above the space between the two side friction belts, the rotating motor drives the side pressure friction belts to transmit, and the third cylinder drives the upper pressure friction belts to reciprocate up and down;

the space between the two side pressure friction belts and the upper pressure friction belt forms a channel for conveying the combined body, the two side pressure friction belts and the upper pressure friction belt carry out limit friction conveying on the outer periphery side of each pressing die piece, and the side pressure friction belts and the upper pressure friction belt carry out conveying together with a cymbal-shaped resin grinding wheel piece positioned between the two pressing die pieces; the machine body is provided with a feed opening on the channel, and the cymbal-shaped resin grinding wheel is separated.

5. The machine of claim 4, wherein the separating mechanism further comprises a fourth cylinder and a shutter plate, the shutter plate blocks the inlet of the channel, the fourth cylinder is connected to the shutter plate, and the ejector rod of the fourth cylinder extends and retracts to open or close the inlet of the channel.

6. The cymbal resin grinding wheel dividing machine according to claim 4 or 5, wherein an anti-overturning baffle is arranged below the feed opening, and the cymbal resin grinding wheel falls into the feed opening and is limited by the anti-overturning baffle, so that the orientation of each cymbal resin grinding wheel is kept uniform.

7. The molding machine of claim 1, wherein the positioning bracket is a boss with a groove on its surface, the assembly formed by the cymbal-shaped resin grinding wheel and the pressing mold piece spaced from each other and fitted over the core rod is placed in the groove, and the pressing mold piece is in contact with the surface of the groove.

8. The machine of claim 1, further comprising a die piece collecting mechanism disposed on the machine body, wherein the die piece collecting mechanism is located behind the die piece separating mechanism and located on the same axis as the feeding mechanism; the die piece collecting mechanism comprises a mounting seat, a sixth air cylinder and a fifth air cylinder arranged on the mounting seat, the front end of the mounting seat is hinged with the machine body, and the rear end of the mounting seat is connected with the sixth air cylinder positioned below the mounting seat;

after the ejector rods of the fifth cylinder are collected to the plurality of pressing die pieces in a telescopic mode, the sixth cylinder drives the mounting base to overturn for 90 degrees along the hinged portion in a telescopic mode, the fifth cylinder is driven to overturn for 90 degrees, and the ejector rods of the fifth cylinder shrink to be separated from the plurality of pressing die pieces.

9. The molding machine of claim 8, further comprising a mold piece pushing mechanism disposed on the machine body in a direction perpendicular to the mounting seat of the mold piece collecting mechanism; the die piece pushing mechanism comprises a seventh cylinder and a push plate, the push plate is arranged at the front end of an ejector rod of the seventh cylinder, and the ejector rod of the seventh cylinder stretches and retracts to drive the push plate to push a plurality of pressing die pieces away from the upper side of the fifth cylinder.

10. The machine for molding cymbal resin abrasive disk dividing machine according to any one of claims 1 to 5 or 7 to 9, wherein said machine body is provided with a collecting hopper in the direction of pushing out the core rod by the core rod pushing mechanism, and the core rod is detached from the assembly body and dropped into a storage box below the collecting hopper.

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