CN210703922U

CN210703922U - Circulation grinding device

Info

Publication number: CN210703922U
Application number: CN201920912430.9U
Authority: CN
Inventors: 祝胜光; 李江; 陈良福
Original assignee: University of Electronic Science and Technology of China Zhongshan Institute
Current assignee: University of Electronic Science and Technology of China Zhongshan Institute
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-06-09
Anticipated expiration: 2029-06-18

Abstract

A circulating polishing device comprises a rack (1), wherein a first horizontal material channel (2), a material distribution mechanism (3), a second horizontal material channel (4) and a first slope type material channel (5) are arranged on the rack (1); the left end of the first horizontal material channel (2) is matched with a horizontal material pushing mechanism (6); the first horizontal material channel (2) is matched with a grinding machine (7); the right end of the first horizontal material channel (2) is matched with the material distribution mechanism (3); a first discharge hole (8) of the material distribution mechanism (3) is matched with a material storage mechanism (9); a second discharge hole (10) of the material distribution mechanism (3) is connected with the right end of the second horizontal material channel (4); the second horizontal material channel (4) is matched with a first material shifting mechanism (11); the left end of the second horizontal material channel (4) is connected with the lower end of the first slope type material channel (5). The utility model discloses a to the circular processing of cylindric work piece, improved production efficiency.

Description

Circulation grinding device

Technical Field

The utility model relates to a mechanical automation processing equipment technical field especially relates to a circulation grinding device.

Background

In the process of machining and forming a cylindrical workpiece, as the requirement of a machining process cannot be ground in place at one time through a grinding machine, the outer surface of the workpiece needs to be subjected to different grinding operations for many times by using the grinding machine; in the existing processing operation: the whole process is carried out by workers for feeding and discharging, and then the workers operate the grinding machine according to different processing technology requirements, so that the grinding machine carries out different grinding operations on the workpiece. However, the processing operation mode has the defect of low manual operation efficiency; particularly, after long-time and high-strength work, workers are easy to fatigue, so that the working efficiency is further reduced, and defective products are more easily produced.

Thus, the prior art is subject to improvement and advancement.

SUMMERY OF THE UTILITY MODEL

To the weak point in prior art, the utility model provides a circulation grinding device, the purpose improves the machining efficiency of cylindric work piece.

The utility model provides a following technical scheme:

a circulating polishing device comprises a rack (1), wherein a first horizontal material channel (2), a material distribution mechanism (3), a second horizontal material channel (4) and a first slope type material channel (5) are arranged on the rack (1); the left end of the first horizontal material channel (2) is matched with a horizontal material pushing mechanism (6); the first horizontal material channel (2) is matched with a grinding machine (7); the right end of the first horizontal material channel (2) is matched with the material distribution mechanism (3); a first discharge hole (8) of the material distribution mechanism (3) is matched with a material storage mechanism (9); a second discharge hole (10) of the material distribution mechanism (3) is connected with the right end of the second horizontal material channel (4); the second horizontal material channel (4) is matched with a first material shifting mechanism (11); the left end of the second horizontal material channel (4) is connected with the lower end of the first slope type material channel (5); a bulge (12) used for positioning a workpiece is arranged on the inner wall surface of the first slope type material channel (5), and the first slope type material channel (5) is also matched with a second material shifting mechanism (13); and a material preparing mechanism (40) for conveying the workpiece in the first slope type material channel (5) to the first horizontal material channel (2) is further arranged on the rack (1).

Preferably, the horizontal pushing mechanism (6) comprises a bracket (14), a screw rod (15), a guide rod (16), a connecting block (17), a pushing block (18) and a first motor (19); the screw rod (15) and the guide rod (16) are movably arranged in the bracket (14) in a penetrating way; the screw rod (15) is arranged in parallel with the guide rod (16), and the left end of the screw rod is connected with the guide rod through the connecting block (17); a push block (18) matched with the trough of the first horizontal trough (2) is arranged at the right end of the screw rod (15); the first motor (19) drives the screw rod (15) to move left and right; the first motor (19) is connected with the bracket (14).

Preferably, the screw (15) is in threaded fit with a nut, a first driven belt wheel (20) is sleeved on the periphery of the nut, and the first driven belt wheel (20) and a first driving belt wheel (21) on an output shaft of the first motor (19) are driven through a first belt (22).

Preferably, the material distribution mechanism (3) comprises a second slope type material channel (23), the first material outlet (8), a movable bottom plate (24), a first left and right air cylinder (25) and the second material outlet (10); the upper end of the second slope type material channel (23) is connected with the right end of the first horizontal material channel (2); the lower part of the second slope type material channel (23) is provided with the first material outlet (8); the movable bottom plate (24) is movably arranged on the baffle plate on one side of the middle part of the second slope type material channel (23) in a penetrating way; the movable bottom plate (24) is driven by the first left and right cylinders (25) arranged on the frame (1); the middle part of the second slope type material channel (23) is also provided with a second discharge hole (10) matched with the movable bottom plate (24).

Preferably, the storage mechanism (9) comprises a storage bin (26), a material baffle plate (27), a first material pushing plate (28) and a second left and right air cylinder (29); the stock bin (26) is provided with the striker plate (27) in a sliding way; the frame (1) is also fixedly connected with the second left and right air cylinders (29); the second left-right cylinder (29) drives the first material pushing plate (28) to move left and right; the first material pushing plate (28) and the material blocking plate (27) are arranged in parallel and matched with the first material outlet (8) of the material distributing mechanism (3).

Preferably, the first material poking mechanism (11) comprises a first rack (30), a first driven cam (31), a first driving cam (32) and a second motor; the first rack (30) is matched with the bottom of the trough of the second horizontal trough (4); the left end and the right end of the first rack (30) are respectively connected with the first driven cam (31) and the first driving cam (32); the first driven cam (31) is rotationally connected with the frame (1); the first driving cam (32) is driven by the second motor, and the second motor is connected with the rack (1).

Preferably, the second material stirring mechanism (13) comprises a second rack (33), a second driven cam (34), a second driving cam (35) and a third motor (36); the second rack (33) is matched with the bottom of the trough of the first slope type trough (5); the upper end and the lower end of the second rack (33) are respectively connected with the second driven cam (34) and the second driving cam (35); the second driven cam (34) is rotationally connected with the frame (1); the third motor (36) drives the second active cam (35); the third motor (36) is connected with the frame (1).

Preferably, a rotating shaft (48) is movably arranged on the frame (1) in a penetrating way; one end of the rotating shaft (48) is fixedly connected with the second driving cam (35), and the other end of the rotating shaft is sleeved with a second driven belt wheel (37); the second driven pulley (37) and a second driving pulley (38) on the output shaft of the third motor (36) are in transmission through a second belt (39).

Preferably, the material preparing mechanism (40) comprises a material preparing channel (41), a third left and right cylinder (42), a second material pushing plate (43), a third material pushing plate (44), a partition plate (45), a front cylinder (46), a rear cylinder (46) and an upper cylinder (47); the material preparing channel (41) is arranged in parallel with the first horizontal channel (2), and the left end of the material preparing channel is connected with the first slope type channel (5); the left end of the material preparation channel (41) is also provided with the third left and right air cylinder (42), and a piston rod of the third left and right air cylinder (42) is connected with the second material pushing plate (43); the front side and the rear side of the right part of the material preparing channel (41) are respectively and movably provided with the third material pushing plate (44) and the partition plate (45); the front and rear air cylinders (46) are arranged on the rack (1) and drive the third material pushing plate (44) to move back and forth; the right part of the material preparation channel (41) is separated from the left part of the first horizontal channel (2) through the partition plate (45); the upper and lower air cylinders (47) are arranged on the rack (1) and drive the partition plate (45) to move up and down.

Compared with the prior art, the utility model discloses following beneficial effect has:

pushing a batch of workpieces on a first horizontal material channel to move rightwards through a horizontal pushing mechanism, polishing the workpieces by a grinding machine in the moving process, returning the workpieces to the first horizontal material channel again to start next polishing operation after the workpieces in the batch complete the first polishing operation through a material distribution mechanism, a second horizontal material channel, a first slope type material channel and a material preparation mechanism in sequence, so that the workpieces in the batch complete the polishing operation of multiple processes in a reciprocating manner, and finally conveying the batch of workpieces to a material storage mechanism through a first discharge hole by the material distribution mechanism; the utility model discloses an automatic operation of polishing of multichannel process is accomplished to batch work piece to this kind of mode, has efficient advantage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the horizontal pushing mechanism of the present invention;

fig. 3 is a schematic structural view of the material distributing mechanism and the material storing mechanism of the present invention;

fig. 4 is a schematic structural view of a first material shifting mechanism of the present invention;

fig. 5 is a schematic structural view of a second material shifting mechanism of the present invention;

FIG. 6 is a first schematic structural diagram of the material preparation mechanism of the present invention;

FIG. 7 is a schematic structural diagram of the material preparing mechanism of the present invention;

fig. 8 is an enlarged view of a portion of fig. 1 according to the present invention;

fig. 9 is a reference diagram of the state change of the material distributing mechanism of the present invention;

the reference numbers in the figures are respectively: (1) a machine frame, (2) a first horizontal material channel, (3) a material distribution mechanism, (4) a second horizontal material channel, (5) a first slope type material channel, (6) a horizontal material pushing mechanism, (7) a grinding machine, (8) a first material outlet, (9) a material storage mechanism, (10) a second material outlet, (11) a first material shifting mechanism, (12) a bulge, (13) a second material shifting mechanism, (14) a support, (15) a screw rod, (16) a guide rod, (17) a connecting block, (18) a pushing block, (19) a first motor, (20) a first driven pulley, (21) a first driving pulley, (22) a first belt, (23) a second slope type material channel, (24) a movable bottom plate, (25) a first left air cylinder, a first right air cylinder, (26) a material bin, (27) a material baffle, (28) a first material pushing plate, (29) a second left air cylinder, a second right air cylinder, (30) a first rack, (31) a first driven cam, (32) the device comprises a first driving cam, (33) a second rack, (34) a second driven cam, (35) a second driving cam, (36) a third motor, (37) a second driven belt wheel, (38) a second driving belt wheel, (39) a second belt, (40) a material preparation mechanism, (41) a material preparation channel, (42) a third left air cylinder and a third right air cylinder, (43) a second material pushing plate, (44) a third material pushing plate, (45) a partition plate, (46) a front air cylinder and a rear air cylinder, (47) an upper air cylinder and a lower air cylinder, and (48) a rotating shaft.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings, and it should be further described here that the directions of the present invention, such as up, down, left, right, front, back, etc., are based on the directions in fig. 1.

Examples

Please refer to fig. 1: a circulating polishing device comprises a frame 1, wherein a first horizontal material channel 2, a material distribution mechanism 3, a second horizontal material channel 4 and a first slope type material channel 5 are arranged on the frame 1; the cross section of a trough of the first horizontal trough 2 is V-shaped, and the left end of the first horizontal trough 2 is matched with a horizontal pushing mechanism 6; a grinding machine 7 is also matched at the middle part of the first horizontal material channel 2; the right end of the first horizontal material channel 2 is matched with the material distribution mechanism 3; a first discharge port 8 of the material distribution mechanism 3 is matched with a material storage mechanism 9; a second discharge port 10 of the material distribution mechanism 3 is connected with the right end of the second horizontal material channel 4, and the material distribution mechanism 3 can selectively distribute the workpieces from the first horizontal material channel 2 into the material storage mechanism 9 or the second horizontal material channel 4; the second horizontal material channel 4 is matched with a first material shifting mechanism 11 and used for shifting a workpiece in the second horizontal material channel 4 from left to right; the left end of the second horizontal material channel 4 is connected with the lower end of the first slope type material channel 5; a plurality of groups of bulges 12 for positioning the workpiece are arranged on the inner wall surface of the bottom of the trough of the first slope type material channel 5, so that the roller-shaped workpiece in the trough of the first slope type material channel 5 is prevented from falling down along a slope; the first slope type material channel 5 is also matched with a second material shifting mechanism 13, and is used for shifting a workpiece upwards along the first slope type material channel 5; the rack 1 is further provided with a material preparing mechanism 40 for conveying the workpiece in the first slope type material channel 5 to the first horizontal material channel 2.

Further, please refer to fig. 1 and fig. 2: the horizontal pushing mechanism 6 comprises a bracket 14, a screw rod 15, a guide rod 16, a connecting block 17, a pushing block 18 and a first motor 19; the screw rod 15 and the guide rod 16 are movably arranged in the bracket 14 in a penetrating manner; the screw rod 15 is arranged in parallel with the guide rod 16, and the left end of the screw rod is connected with the guide rod through the connecting block 17; a push block 18 matched with the material groove of the first horizontal material channel (2) is arranged at the right end of the screw rod 15; the first motor 19 drives the screw rod 15 to move left and right; the first motor 19 is connected to the support 14.

Further, please refer to fig. 1 and fig. 2: the external thread of the screw rod 15 is in threaded fit with the internal thread of the nut, a first driven belt wheel 20 is sleeved on the peripheral side surface of the nut, and the first driven belt wheel 20 and a first driving belt wheel 21 on the output shaft of the first motor 19 are driven through a first belt 22.

The first motor 19 is connected to an external power supply, when the first motor 19 starts to work, the first belt 22 drives the first driven belt wheel 20 to rotate, and at the moment, the screw rod 15 in threaded fit with the first driven belt wheel 20 moves left and right to drive the push block 18 connected to the right end of the screw rod 15 to move left and right in the trough of the first horizontal trough 2; finally, the pushing block 18 pushes the batch workpieces in the trough of the first horizontal material channel 2 to move rightwards in the right row or reset leftwards; here, it should be noted that: in order to prevent the first driven pulley 20 from moving left and right along with the screw rod 15 in the process of moving left and right, a bearing seat is arranged on the support 14, and an annular shoulder rotatably mounted in the bearing seat is arranged on the right side of the first driven pulley 20.

Further, please refer to fig. 1, fig. 3 and fig. 9: the material distributing mechanism 3 comprises a second slope type material channel 23, the first material outlet 8, a movable bottom plate 24, a first left cylinder 25, a first right cylinder 25 and the second material outlet 10; the upper end of the second slope type material channel 23 is connected with the right end of the first horizontal material channel 2, and material channels of the second slope type material channel and the first horizontal material channel are communicated; the first discharge hole 8 is formed in the lower portion of the trough of the second slope type material channel 23, and under the condition of no shielding or external force action, a workpiece from the first horizontal material channel 2 rolls down along the second slope type material channel 23 under the action of gravity and moves to the storage mechanism 9 through the first discharge hole 8. The movable bottom plate 24 is movably arranged on the baffle plate at one side of the middle part of the second slope type material channel 23 in a penetrating way; the movable bottom plate 24 is driven by the first left and right air cylinders 25 arranged on the frame 1; the middle part of the second slope type material channel 23 is also provided with the second material outlet 10 matched with the movable bottom plate 24; specifically, the first left and right air cylinders 25 are connected to an external air source, and when the movable bottom plate 24 is driven to move right, the movable bottom plate 24 extends into the middle of the trough of the second slope-type material channel 23, separates the upper part of the trough of the second slope-type material channel 23 from the first discharge port 8 formed at the lower part, and simultaneously communicates the upper part of the trough of the second slope-type material channel 23 with the second discharge port 10, so that the workpiece from the first horizontal material channel 2 rolls along the second slope-type material channel 23 onto the movable bottom plate 24, then rolls onto the second discharge port 10, and finally moves to the right end of the second horizontal material channel 4.

Further, please refer to fig. 1 and fig. 3: the storing mechanism 9 comprises a stock bin 26, a striker plate 27, a first material pushing plate 28 and a second left and right air cylinder 29. The stock bin 26 is provided with the striker plate 27 in a sliding manner, and specifically, two guide sliding grooves are formed on the inner wall surface of the bin bottom of the stock bin 26; the lower part of the striker plate 27 is connected with two sliding strips which are in sliding fit with the guide sliding grooves; the frame 1 is also fixedly connected with the second left and right air cylinders 29; the second left-right air cylinder 29 drives the first material pushing plate 28 to move left and right; the first material pushing plate 28 and the material blocking plate 27 are arranged in parallel and are matched with the first material outlet 8 of the material distributing mechanism 3, when the material blocking plate 27 and the first material pushing plate 28 are matched to form a trough in an initial state, and the trough is the same as the trough of the first material outlet 8 in size and is communicated with the trough. In this embodiment, the working principle of the storing mechanism 9 is as follows: firstly, a plurality of workpieces roll from the first discharge port 8 to a position between the material stopping plate 27 and a material groove formed by the first material pushing plate 28 and are closely arranged; then, the second left and right air cylinder 29 pushes the first material pushing plate 28 to move right under the driving of the external air source, and at the moment, the workpiece and the material blocking plate 27 synchronously move right under the pushing force of the first material pushing plate 28; finally, after the first material pushing plate 28 moves to the right by a distance equal to the thickness of one workpiece, the second left and right air cylinder 29 drives the first material pushing plate 28 to move to the left to reset, and at this time, a plurality of workpieces of the next batch can roll down into a new material groove formed between the first material pushing plate 28 and a plurality of workpieces of the previous batch. It should be noted that: when first scraping wings 28 promoted the work piece, by striker plate 27 blocks, has prevented that the work piece from toppling over to the left and right sides when promoted, makes the utility model discloses a when 9 stores materials of storage mechanism the arrangement of work piece is neat orderly.

Further, please refer to fig. 1 and fig. 4: the first material shifting mechanism 11 comprises a first rack 30, a first driven cam 31, a first driving cam 32 and a second motor; the first rack 30 is matched at the bottom of the trough of the second horizontal trough 4; specifically, the bottom of the trough of the second horizontal trough 4 is provided with a space avoiding position, and the first rack 30 is located in the space avoiding position. The left end and the right end of the first rack 30 are respectively connected with the first driven cam 31 and the first driving cam 32; the first driven cam 31 is rotationally connected with the frame 1; the first driving cam 32 is driven by the second motor, and the second motor is connected with the frame 1; when the second motor is connected to an external power supply and starts to rotate, the first driving cam 32 and the first driven cam 31 are matched to drive the first rack 30 to circularly move in the second horizontal material channel 4, when the teeth of the first rack 30 move to the top dead center, workpieces in the second horizontal material channel 4 are clamped in tooth grooves formed between every two teeth on the upper portion of the first rack 30, and then in the process that the first rack 30 moves towards the bottom dead center of the circular motion, the teeth of the first rack 30 stir the workpieces in the second horizontal material channel 4 leftwards until the two teeth and the workpieces are shifted to be separated from each other after being shifted up and down.

Further, please refer to fig. 1 and fig. 5: the second material stirring mechanism 13 comprises a second rack 33, a second driven cam 34, a second driving cam 35 and a third motor 36; the second rack 33 is matched with the bottom of the trough of the first slope type trough 5, specifically, a space avoiding position is arranged at the bottom of the trough of the first slope type trough 5, and the second rack 33 is located in the space avoiding position. The upper end and the lower end of the second rack 33 are respectively connected with the second driven cam 34 and the second driving cam 35; the second driven cam 34 is rotationally connected with the frame 1; the third motor 36 drives the second driving cam 35; the third motor 36 is connected to the frame 1.

Further, a rotating shaft 48 is movably arranged on the frame 1 in a penetrating manner; one end of the rotating shaft 48 is fixedly connected with the second driving cam 35, and the other end of the rotating shaft 48 is sleeved with a second driven pulley 37, so that the second driving cam 35 is rotatably mounted on the frame 1; the second driven pulley 37 is in transmission with a second driving pulley 38 on the output shaft of the third motor 36 via a second belt 39.

When the third motor 36 is connected to an external power source and starts to work, the second driving cam 35 is driven to rotate, at this time, the second driving cam 35 and the second driven cam 34 are matched to drive the second rack 33 to do circular motion, in the motion process of the second rack 33, a workpiece clamped at a protrusion 12 in the first ramp type material channel 5 is supported through a tooth groove between teeth of the second rack 33, the workpiece is sent to an adjacent protrusion 12 of the first ramp type material channel 5 to be positioned, finally, the tooth groove of the second rack 33 is separated from the workpiece, and at this time, the workpiece moves upwards for a certain distance along the first ramp type material channel.

Further, please refer to fig. 1, fig. 6 and fig. 7: the first horizontal material channel 2 is connected with the first slope type material channel 5 through a material preparing mechanism 40; the material preparing mechanism 40 comprises a material preparing channel 41, a third left and right air cylinder 42, a second material pushing plate 43, a third material pushing plate 44, a partition plate 45, a front and rear air cylinder 46 and an upper and lower air cylinder 47; the material preparing channel 41 is arranged in parallel with the first horizontal channel 2, and the left end of the material preparing channel is connected with the first slope-type channel 5; the left end of the material preparing channel 41 is also provided with the third left and right air cylinder 42, and a piston rod of the third left and right air cylinder 42 is connected with the second material pushing plate 43; the front side and the rear side of the right part of the material preparation channel 41 are respectively and movably provided with the third material pushing plate 44 and the partition plate 45; the front and rear air cylinders 46 are arranged on the frame 1 and drive the third material pushing plate 44 to move back and forth; the right part of the material preparation channel 41 is separated from the left part of the first horizontal channel 2 through the partition plate 45; the upper and lower air cylinders 47 are arranged on the frame 1 and drive the partition plate 45 to move up and down, and the working principle is as follows: firstly, the third left and right air cylinder 42 is connected to an external air source to drive the second material pushing plate 43 to move right to push the workpiece from the first slope type material channel 5 to the right end of the material preparing channel 41; then, after the workpieces in batches are arranged on the right part of the material preparation channel 41, the upper and lower air cylinders 47 drive the partition plate 45 to move downwards under the driving of an external air source, and at the moment, the right part of the material preparation channel 41 is communicated with the left part of the first horizontal channel 2; finally, the front and rear air cylinders 46 are connected to an external air source to drive the third material pushing plate 44 to push the workpiece in the material preparing channel 41 into the first horizontal channel 2.

The utility model discloses a work flow as follows:

step one, feeding: cylindrical workpieces in batches are placed into the material preparation channel 41 by a manipulator of external equipment, and the third left and right air cylinder 42, the front and rear air cylinder 46 and the upper and lower air cylinder 47 in the material preparation mechanism 40 work to push the workpieces into the first horizontal material channel 2.

Step two, polishing: and the horizontal pushing mechanism 6 synchronously pushes all the workpieces in the first horizontal material channel 2 to the right until the workpieces enter the material distributing mechanism 3, and when the workpieces pass through the grinding machine 7, the grinding wheels of the grinding machine 7 perform grinding operation on the workpieces.

Thirdly, material distribution: the first left and right air cylinders 25 of the material distributing mechanism 3 start to work to push the movable bottom plate 24 to the right; at this time, the movable bottom plate 24 extends into the middle of the trough of the second slope-type material channel 23, so that the upper part and the lower part of the trough of the second slope-type material channel 23 are separated, the first discharge hole 8 formed at the lower part of the second slope-type material channel 23 is closed, and the middle of the second slope-type material channel 23 is communicated with the second discharge hole 10 through the movable bottom plate 24; therefore, the workpiece from the first horizontal channel 2 rolls down along the second slope type material belt, and then sequentially rolls into the second horizontal channel 4 along the movable bottom plate 24 and the second discharge hole 10.

Step four, returning materials: firstly, the first material shifting mechanism 11 shifts the workpiece in the second horizontal material channel 4 from right to left until the workpiece in the second horizontal material belt 4 enters the lower end of the first slope type material channel 5; then, the second material shifting mechanism 13 shifts the workpiece at the inner lower end of the first ramp type material channel 5 upwards until the workpiece enters the material preparing channel 41 along the first ramp type material belt 5.

Fifthly, blanking: firstly, the batch of workpieces circularly moves according to the flow from the first step to the fourth step, and in the process, all grinding operations required by the machining process are completed by the grinding machine 7; then, when the batch of workpieces moves to the material distribution mechanism 3 again, the first left and right air cylinders 25 of the material distribution mechanism 3 start to work to drive the movable bottom plate 24 to reset left; at this time, the movable bottom plate 24 leaves the middle part of the trough of the second slope-type material channel 23, so that the middle part of the trough of the second slope-type material channel 23 is disconnected from the second discharge hole 10, and the first discharge hole 8 formed at the lower part of the second slope-type material channel 23 is opened again; finally, the batch of workpieces enters the storing mechanism 9 for storage.

To sum up, the utility model discloses an foretell structural design solves the weak point that exists among the prior art, has reasonable in design, excellent in use effect, characteristics such as machining efficiency height.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a circulation grinding device, includes frame (1), its characterized in that: the machine frame (1) is provided with a first horizontal material channel (2), a material distribution mechanism (3), a second horizontal material channel (4) and a first slope type material channel (5); the left end of the first horizontal material channel (2) is matched with a horizontal material pushing mechanism (6); the first horizontal material channel (2) is matched with a grinding machine (7); the right end of the first horizontal material channel (2) is matched with the material distribution mechanism (3); a first discharge hole (8) of the material distribution mechanism (3) is matched with a material storage mechanism (9); a second discharge hole (10) of the material distribution mechanism (3) is connected with the right end of the second horizontal material channel (4); the second horizontal material channel (4) is matched with a first material shifting mechanism (11); the left end of the second horizontal material channel (4) is connected with the lower end of the first slope type material channel (5); a bulge (12) used for positioning a workpiece is arranged on the inner wall surface of the first slope type material channel (5), and the first slope type material channel (5) is also matched with a second material shifting mechanism (13); and a material preparing mechanism (40) for conveying the workpiece in the first slope type material channel (5) to the first horizontal material channel (2) is further arranged on the rack (1).

2. The endless grinding device of claim 1, wherein: the horizontal pushing mechanism (6) comprises a bracket (14), a screw rod (15), a guide rod (16), a connecting block (17), a pushing block (18) and a first motor (19); the screw rod (15) and the guide rod (16) are movably arranged in the bracket (14) in a penetrating way; the screw rod (15) is arranged in parallel with the guide rod (16), and the left end of the screw rod is connected with the guide rod through the connecting block (17); a push block (18) matched with the trough of the first horizontal trough (2) is arranged at the right end of the screw rod (15); the first motor (19) drives the screw rod (15) to move left and right; the first motor (19) is connected with the bracket (14).

3. The endless grinding device of claim 2, wherein: the screw rod (15) is in threaded fit with a nut, a first driven belt wheel (20) is sleeved on the periphery of the nut, and the first driven belt wheel (20) and a first driving belt wheel (21) on an output shaft of the first motor (19) are driven through a first belt (22).

4. The endless grinding device of claim 1, wherein: the material distribution mechanism (3) comprises a second slope type material channel (23), the first material outlet (8), a movable bottom plate (24), a first left cylinder (25), a first right cylinder (25) and a second material outlet (10); the upper end of the second slope type material channel (23) is connected with the right end of the first horizontal material channel (2); the lower part of the second slope type material channel (23) is provided with the first material outlet (8); the movable bottom plate (24) is movably arranged on the baffle plate on one side of the middle part of the second slope type material channel (23) in a penetrating way; the movable bottom plate (24) is driven by the first left and right cylinders (25) arranged on the frame (1); the middle part of the second slope type material channel (23) is also provided with a second discharge hole (10) matched with the movable bottom plate (24).

5. The endless grinding device of claim 1, wherein: the storage mechanism (9) comprises a storage bin (26), a material baffle plate (27), a first material pushing plate (28) and a second left and right air cylinder (29); the stock bin (26) is provided with the striker plate (27) in a sliding way; the frame (1) is also fixedly connected with the second left and right air cylinders (29); the second left-right cylinder (29) drives the first material pushing plate (28) to move left and right; the first material pushing plate (28) and the material blocking plate (27) are arranged in parallel and matched with the first material outlet (8) of the material distributing mechanism (3).

6. The endless grinding device of claim 1, wherein: the first material stirring mechanism (11) comprises a first rack (30), a first driven cam (31), a first driving cam (32) and a second motor; the first rack (30) is matched with the bottom of the trough of the second horizontal trough (4); the left end and the right end of the first rack (30) are respectively connected with the first driven cam (31) and the first driving cam (32); the first driven cam (31) is rotationally connected with the frame (1); the first driving cam (32) is driven by the second motor, and the second motor is connected with the rack (1).

7. The endless grinding device of claim 1, wherein: the second material stirring mechanism (13) comprises a second rack (33), a second driven cam (34), a second driving cam (35) and a third motor (36); the second rack (33) is matched with the bottom of the trough of the first slope type trough (5); the upper end and the lower end of the second rack (33) are respectively connected with the second driven cam (34) and the second driving cam (35); the second driven cam (34) is rotationally connected with the frame (1); the third motor (36) drives the second active cam (35); the third motor (36) is connected with the frame (1).

8. The endless grinding device of claim 7, wherein: a rotating shaft (48) is movably arranged on the frame (1) in a penetrating way; one end of the rotating shaft (48) is fixedly connected with the second driving cam (35), and the other end of the rotating shaft is sleeved with a second driven belt wheel (37); the second driven pulley (37) and a second driving pulley (38) on the output shaft of the third motor (36) are in transmission through a second belt (39).

9. The endless grinding device of claim 1, wherein: the material preparing mechanism (40) comprises a material preparing channel (41), a third left and right air cylinder (42), a second material pushing plate (43), a third material pushing plate (44), a partition plate (45), a front air cylinder (46), a rear air cylinder (46) and an upper air cylinder (47); the material preparing channel (41) is arranged in parallel with the first horizontal channel (2), and the left end of the material preparing channel is connected with the first slope type channel (5); the left end of the material preparation channel (41) is also provided with the third left and right air cylinder (42), and a piston rod of the third left and right air cylinder (42) is connected with the second material pushing plate (43); the front side and the rear side of the right part of the material preparing channel (41) are respectively and movably provided with the third material pushing plate (44) and the partition plate (45); the front and rear air cylinders (46) are arranged on the rack (1) and drive the third material pushing plate (44) to move back and forth; the right part of the material preparation channel (41) is separated from the left part of the first horizontal channel (2) through the partition plate (45); the upper and lower air cylinders (47) are arranged on the rack (1) and drive the partition plate (45) to move up and down.