CN114888616A

CN114888616A - Material claw, material conveying mechanism and automatic feeding and discharging machine

Info

Publication number: CN114888616A
Application number: CN202210351428.5A
Authority: CN
Inventors: 颜炳姜; 朱小康; 李俊宏
Original assignee: Smartguy Intelligent Equipment Co ltd; Conprofe Technology Group Co Ltd
Current assignee: Smartguy Intelligent Equipment Co ltd; Conprofe Technology Group Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-12
Anticipated expiration: 2042-04-02
Also published as: CN114888616B

Abstract

The invention provides a material claw, a material conveying mechanism and an automatic feeding and discharging machine, wherein the material claw comprises a material claw body and a spring clamp part; the material claw body is provided with a mounting groove for accommodating the spring clamp component, the spring clamp component comprises a spring resetting piece and a push block, the push block is provided with a spring accommodating groove for accommodating the spring resetting piece, and the material claw is characterized in that the push block is provided with a first stress part and a second stress part, the first stress part can be stressed to push the push block to enter the mounting groove to a first working position, and the spring resetting piece provides elastic force to overcome the thrust force borne by the first stress part or the second stress part to maintain the push block at a second working position; the invention does not need any electric control device, only uses a mechanical structure, and has ingenious design and relatively low cost.

Description

Material claw, material conveying mechanism and automatic feeding and discharging machine

Technical Field

The invention relates to the technical field of automatic production, in particular to a material claw, a material conveying mechanism and an automatic feeding and discharging machine.

Background

Traditional lathe processing lines generally arrange in large-scale factory building, and hundreds of machine tools can simultaneous production, for guaranteeing production efficiency, today, the mill generally can carry out automated transformation to the lathe station, for example, the wholesale material by processing can use the robot arm to accomplish automatic feeding, and this has improved production efficiency to a certain extent, has broken away from the inefficiency of artifical material loading.

However, when the robot arm is applied in an automation plant, the robot arm is highly dependent on a debugging personnel of a robot arm manufacturer, and a production personnel of the automation plant does not have corresponding capability to complete the debugging and installation of the robot arm. The situation that the machine tool is moved to change the arrangement of the automatic factory frequently occurs due to production requirements, and the positions of the machine tool and the robot arm are changed, so that debugging personnel of a robot arm manufacturer need to be arranged to debug the robot arm again to meet production requirements. Obviously, the above situation brings inconvenience, consumption of personnel and expenses, and time to the automation plant.

Disclosure of Invention

Based on this, it is necessary to provide a material claw, material conveying mechanism and automatic feeding and discharging machine to above-mentioned technical problem, design benefit has realized accurate reliable automatic defeated material.

The invention provides a material claw, comprising: the material claw body and the spring clamp component; the material claw body is equipped with and holds the mounting groove of spring card part, spring card part includes that the spring resets and ejector pad, the ejector pad is equipped with the spring holding tank in order to hold the spring resets the piece, the ejector pad has first atress portion and second atress portion, but first atress portion atress is in order to promote the ejector pad gets into mounting groove to first operating position, the spring resets and provides elasticity in order to overcome first atress portion or the thrust that second atress portion received will the ejector pad is maintained at second operating position.

Further, the spring reset piece comprises a reset spring and a spring fixing screw, the reset spring is fixed in the spring accommodating groove by the spring fixing screw, and the reset spring provides elastic force to overcome the thrust force applied to the first stress part or the second stress part so as to maintain the push block at the second working position.

Furthermore, the spring clamping part also comprises a rotating shaft, the pushing block is provided with a through hole, and the rotating shaft penetrates through the through hole and is rotatably connected with the pushing block.

Further, the spring clamp part further comprises a limiting shaft, the push block is provided with a strip-shaped hole, and the limiting shaft penetrates through the strip-shaped hole and is connected with the strip-shaped hole in a sliding mode along the length direction of the strip-shaped hole.

The invention also provides a material conveying mechanism, comprising: the material claw is arranged on the material bin, and the material supporting plate is arranged on the material bin; the material claw is arranged on the moving plate; the material supporting plate is provided with a guide accommodating groove used for accommodating the material claw, an inward concave clamping groove is further formed in the guide accommodating groove, the clamping groove is provided with a first supporting surface and a second supporting surface, the first stress portion is attached to the first supporting surface to drive the material supporting plate to move along a first direction, and the second stress portion is attached to the second supporting surface to drive the material supporting plate to move along a second direction opposite to the first direction.

Further, the material claw is provided with a thrust portion, and the retainer plate is provided with a third supporting surface which is used for receiving the thrust provided by the thrust portion so as to drive the retainer plate to move along the second direction.

Further, the first force-bearing part and the second force-bearing part form an obtuse angle structure.

Further, still include pay-off backup pad, slide rail and drive actuating cylinder, drive actuating cylinder with the slide rail is installed in the pay-off backup pad, the movable plate is installed on the slide rail and can along the slide rail slides, the material claw body is installed on the movable plate, the pay-off backup pad is provided with logical groove, the feed bin can pass logical groove and reciprocate.

Further, the feed bin comprises a feed bin support frame and a feed bin support plate, and the feed bin support plate is fixed on the feed bin support frame.

The invention also provides an automatic feeding and discharging machine, which comprises a lifting mechanism and the material conveying mechanism, wherein the lifting mechanism comprises a lifting rod and a lifting plate, and the stock bin is arranged on the lifting plate; and a connecting seat is arranged on the outer side of the automatic feeding and discharging machine, and the automatic feeding and discharging machine is fixedly connected with a machine tool through the connecting seat.

1. The material claw is provided with the push block, the push block is provided with the first stress part, the second stress part and the spring clamping component, the first stress part, the second stress part and the spring clamping component can finish feeding and blanking, the automatic feeding and blanking machine can be independently returned by the material claw under the condition that the retainer plate is clamped and fixed, any electric control device is not needed, only a mechanical structure is used, the design is ingenious, and the cost is relatively low.

2. The invention completely replaces the automatic feeding and discharging of the robot arm with a low-cost mode to realize the automation of factory production, the cost of the robot arm is about tens of thousands to hundreds of thousands, and the cost of the scheme of the invention is greatly reduced by times; the automatic feeding and discharging transformation scheme is realized for manufacturing and processing enterprises with large-scale machine tools, and the automatic feeding and discharging transformation scheme has high economic and technical values.

3. The automatic feeding and discharging machine is ingenious in conception, innovative in structure, accurate and reliable in automatic feeding and discharging, and due to the fact that the material supporting plate is provided with the first supporting face and the second supporting face, the material supporting plate can be driven in two opposite directions of feeding and discharging to achieve feeding and discharging automation.

Drawings

Fig. 1 is a schematic structural view of a claw body according to the present invention;

FIG. 2 is a schematic cross-sectional view of a claw body according to the present invention;

FIG. 3 is a schematic cross-sectional view of a retainer plate according to the present invention;

FIG. 4 is a schematic cross-sectional view of a pusher of the claw in a second working position;

FIG. 5 is a schematic cross-sectional view of a pusher of the claw in a first working position according to the present invention;

FIG. 6 is a schematic cross-sectional view of a pusher block of the claw in another first working position according to the present invention;

7-1, 7-2, 7-3, 7-4 and 7-5 are schematic structural views of the retainer plate;

FIG. 8 is a schematic view of a portion of the material conveying mechanism provided by the present invention;

fig. 9 is a partially enlarged view of the machine tool and the automatic feeding and discharging machine and the material supporting mechanism.

Fig. 10 is a schematic structural diagram of an automatic feeding and discharging machine, a material supporting mechanism and a machine tool.

In the figure, 1, an automatic feeding and discharging machine; 10. a material supporting plate; 110. a guide accommodating groove; 111. a first support surface; 112. a second support surface; 113. a third support surface; 120. a jig; 20. moving the plate; 30. a material claw body; 310. mounting grooves; 320. a thrust section; 40. a spring clip member; 410. pushing a block; 411. a spring receiving groove; 412. a through hole; 413. a strip-shaped hole; 414. a first force receiving portion; 415. a second force receiving portion; 416. a first guide surface; 420. a spring return; 421. a return spring; 422. a spring set screw; 430. a rotating shaft; 440. a limiting shaft; 50. a feeding support plate; 60. a slide rail; 70. a drive cylinder assembly; 71. a driving cylinder; 72. a guide rail; 810. a stock bin support frame; 820. a stock bin supporting plate; 910. a lifting rod; 2. a machine tool; 3. a connecting seat.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Referring to fig. 1 to 6, the present invention provides a material claw, including: a claw body 30 and a spring clip member 40; the claw body 30 is provided with a mounting groove 310 for accommodating the spring clamping component 40, the spring clamping component 40 comprises a spring return piece 420 and a push block 410, the push block 410 is provided with a spring accommodating groove 411 for accommodating the spring return piece 420, the push block 410 is provided with a first stress part 414 and a second stress part 415, the first stress part 414 can be stressed to push the push block 410 into the mounting groove 310 to a first working position (see fig. 5 or 6), and the spring return piece 420 provides elastic force to overcome the thrust force applied to the first stress part 414 or the second stress part 415 to maintain the push block 410 at a second working position (see fig. 4). The spring returning member 420 includes a returning spring 421 and a spring fixing screw 422, and the spring fixing screw 422 restricts the returning spring 421 in the spring receiving groove 411.

Specifically, referring to fig. 4, when the first end of the strip-shaped hole 413 of the push block 410 contacts the limiting shaft 440, the push block 410 is located at the second working position. Referring to fig. 5, when the limiting shaft 440 is located in the middle of the bar-shaped hole 413, the pushing block 410 is located at the first working position, and referring to fig. 6, when the second end of the bar-shaped hole 413 of the pushing block 410 contacts the limiting shaft 440, the pushing block 410 is also located at the first working position, and at this time, the return spring 421 is in a compressed state. It should be noted that the first working position is a position different from the second working position, and corresponds to a position where the pushing block 410 rotates and deviates into the mounting groove 310 relative to the second working position, and the specific deviation value is different according to different structures. In fig. 5 and 6, the second force-receiving portion 415 of the push block 410 is flush with the straight portion (non-catching portion) of the guide-receiving groove 110 of the retainer plate 10, and the push block 410 has been disengaged from the catching groove of the retainer plate 10.

In some embodiments, the spring clip member 40 further includes a rotation shaft 430, the push block 410 is provided with a through hole 412, and the rotation shaft 430 passes through the through hole 412 and is rotatably connected with the push block 410; it can be understood that the rotating shaft 430 is fixed in the mounting groove 310 of the claw body 30, and the rotating shaft 430 passes through the through hole 412 of the push block 410, so that the push block 410 can rotate around the rotating shaft 430; when the pushing block 410 moves away from the retainer plate 10 from the position shown in fig. 4, the pushing block 410 rotates around the rotating shaft 430, and the pushing block 410 compresses the return spring 421, so that the return spring 421 pushes the pushing block 410 into the mounting groove 310.

In some embodiments, the spring clip member 40 further includes a limiting shaft 440, the pushing block 410 is provided with a strip-shaped hole 413, and the limiting shaft 440 passes through the strip-shaped hole 413 and is slidably connected with the strip-shaped hole 413 along a length direction of the strip-shaped hole 413; it can be understood that the limiting shaft 440 is fixed in the mounting groove 310 of the claw body 30, and the limiting shaft 440 passes through the strip-shaped hole 413 of the push block 410, so that the limiting shaft 440 can move along the length direction of the strip-shaped hole 413 to limit the push block 410.

Referring to fig. 7 to 9, the present invention further provides a material conveying mechanism, wherein the material conveying mechanism is used for conveying the jig 120; the material conveying mechanism comprises a storage bin, a material supporting plate 10, a moving plate 20 and the material claw, wherein the material supporting plate 10 is arranged on the storage bin; the material claw is arranged on the moving plate 20; the retainer plate 10 is provided with a guide accommodating groove 110 for accommodating the claw, the guide accommodating groove 110 is further provided with an inward concave clamping groove, the clamping groove is provided with a first supporting surface 111 and a second supporting surface 112, the first stress part 414 is attached to the first supporting surface 111 to drive the retainer plate 10 to move along a first direction, and the second stress part 415 is attached to the second supporting surface 112 to drive the retainer plate 10 to move along a second direction opposite to the first direction.

In some embodiments, the pushing block 410 has a first guiding surface 416, when the retainer plate 10 needs to be taken out of the machine tool 2, the material claw moves towards the guiding and receiving groove 110 of the retainer plate 10, the first guiding surface 416 firstly enters the guiding and receiving groove 110, and when the first guiding surface 416 contacts with the guiding and receiving groove 110, the first guiding surface 416 has the function of guiding the material claw into the guiding and receiving groove 110.

In some embodiments, referring to fig. 4 to 6, the first force-bearing portion 414 and the second force-bearing portion 415 form an obtuse angle structure, so that the connection between the pushing block 410 and the retainer plate 10 is tighter, and the obtuse angle structure facilitates the detachment of the claw body 30 from the retainer plate 10.

In some embodiments, referring to fig. 9, the material conveying mechanism further includes a feeding support plate 50, a slide rail 60 and a driving cylinder 71, the driving cylinder 71 and the slide rail 60 are mounted on the feeding support plate 50, the moving plate 20 is mounted on the slide rail 60 and can slide along the slide rail 60, the claw body 30 is mounted on the moving plate 20, the feeding support plate 50 is provided with a through slot, and the bin can move up and down through the through slot.

Specifically, the material claw body is internally provided with a mounting groove 310 for accommodating the spring clamping part 40, the spring clamping part 40 comprises a spring resetting part 420 and a pushing block 410, the material claw body 30 drives the retainer plate 10 to move together through the spring clamping part 40, and the material claw body 30 is prevented from being separated from the retainer plate 10 after the material claw body 30 and the retainer plate 10 move relatively when the spring clamping part 40 is not arranged. After the pushing block 410 is in the second working position, if the retainer plate 10 is to be driven into the machine tool 2, the moving plate 20 will drive the material claw mounted thereon to move into the machine tool 2, and the spring returning element 420 provides an elastic force to overcome the pushing force given by the second supporting surface 112 of the retainer plate 10 on the second force receiving portion 415 of the pushing block 410, so that the pushing block 410 is maintained at the second working position, and the retainer plate 10 can be driven into the machine tool 2; if the retainer plate 10 is driven to enter the automatic loading and unloading machine, the moving plate 20 drives the material claw mounted thereon to move towards the automatic loading and unloading machine 1, and the spring returning member 420 provides an elastic force to overcome a thrust force given by the first supporting surface 111 of the retainer plate 10 received by the first force receiving portion 414 on the pushing block 410, so that the pushing block 410 is maintained at the second working position, and the retainer plate 10 can enter the automatic loading and unloading machine.

Referring to fig. 7-1, 7-2, 7-3, 7-4, 7-5 and fig. 1, the third supporting surface 113 of the retainer plate 10 is used for receiving the thrust provided by the thrust portion 320 of the claw to drive the retainer plate 10 to move out of the automatic feeding and discharging machine 1 and into the machine tool 2. It should be noted that, for the retainer plate 10, the jig 120 and the processed workpiece with light weight, the retainer plate 10, the jig 120 on the retainer plate 10 and the processed workpiece can be pushed into the machine tool 2 only by driving the retainer plate 10 by the second force receiving part 415, and the thrust provided by the thrust part 320 of the claw is not needed; for the heavy retainer plate 10, the jig 120 on the retainer plate 10, and the workpiece to be processed, the second force-receiving portion 415 needs to drive the retainer plate 10 and the third supporting surface 113 on the retainer plate 10 to receive force, so as to drive the retainer plate 10 to move toward the inside of the machine tool 2.

When the machine tool 2 finishes processing a processed workpiece and the retainer plate 10 needs to be moved out of the machine tool 2, the material claw moves towards the retainer plate 10 in the machine tool 2, and the push block 410 of the material claw is clamped into the clamping groove on the guide accommodating groove 110 of the retainer plate 10 (actually, two material claws move along the guide accommodating groove 110 from the outside of the machine tool 2 to the position where the push block 410 of the material claw is clamped into the clamping groove of the retainer plate 10), at this time, the moving plate 20 drives the material claw mounted thereon to move towards the outside of the machine tool 2, the reset spring 421 provides an elastic force to overcome the thrust force given by the first supporting surface 111 of the retainer plate 10 received by the first force receiving part 414, and maintains the push block 410 at the second working position, at this time, the first force receiving part 414 is abutted against the first supporting surface 111 of the retainer plate 10, so as to drive the retainer plate 10 to move along the first direction (i.e. the direction towards the automatic feeding and discharging machine 1). When the retainer plate 10, the jig 120 on the retainer plate 10, and the workpiece move toward the machine tool 2, the return spring 421 provides an elastic force to overcome the thrust force received by the second force receiving portion 415, so as to maintain the push block 410 at the second working position, and at this time, the second force receiving portion 415 is in contact with the second supporting surface 112 of the retainer plate 10, so as to drive the retainer plate 10 to move along a second direction (i.e., toward the machine tool 2) opposite to the first direction.

Specifically, referring to fig. 8 and 9, the magazine includes 4 stacked magazine supporting frames 810 and magazine supporting plates 820, a through groove is formed in the center of the feeding supporting plate 50, the magazine can pass through the through groove and move up and down, after the magazine moves to a predetermined position, the driving cylinder assembly 70 drives the claw to enter a clamping state from an open state (referring to fig. 8, the claw can move along the guide rail 72), at this time, the claw is clamped into the guide accommodating groove 110 of the retainer plate 10, and the moving plate 20 moves left from the right initial position and drives the claw to move to the positioning retainer mechanism. It should be noted that after the pushing block 410 of the material claw is clamped into the clamping groove of the retainer plate 10, the material claw can push the retainer plate 10 to move leftwards. It should be noted that the number of the bin support frames 810 and the number of the bin support plates 820 stacked in the bin may be selected as needed, and the number may be 1 to N, where N is a natural number.

The invention also provides an automatic feeding and discharging machine 1, please refer to fig. 10, which comprises a lifting mechanism and the material conveying mechanism, wherein the lifting mechanism comprises a lifting rod 910 and a lifting plate (not shown), and a bin is installed on the lifting plate; the bin support plate 820 is mounted on the lifting plate; the outer side of the automatic feeding and discharging machine 1 is provided with a connecting seat 3, and the automatic feeding and discharging machine 1 is fixedly connected with a machine tool 2 through the connecting seat 3. The lifting plate can pass through a through groove arranged in the center of the feeding supporting plate 50 to move up and down to realize lifting, so that materials in different layers in the stacked storage bin are conveyed out. Further, the outer side of the automatic feeding and discharging machine 1 is provided with a connecting seat 3, and the automatic feeding and discharging machine 1 is fixedly connected with the machine tool 2 through the connecting seat 3. It should be noted that the number of the lifting rods 910 can be set according to actual needs, and the driving manner of the lifting rods 910 can also be hydraulic, pneumatic or electric, without any limitation.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A claw, comprising: the material claw body and the spring clamp component; the material claw body is equipped with and holds the mounting groove of spring card part, spring card part includes that the spring resets and ejector pad, the ejector pad is equipped with the spring holding tank in order to hold the spring resets, a serial communication port, the ejector pad has first atress portion and second atress portion, but first atress portion atress is in order to promote the ejector pad gets into mounting groove to first operating position, the spring resets and provides elasticity in order to overcome first atress portion or the thrust that second atress portion received will the ejector pad is maintained at second operating position.

2. The claw according to claim 1, wherein the spring return element includes a return spring and a spring fixing screw, the spring fixing screw fixes the return spring in the spring accommodating groove, and the return spring provides an elastic force to overcome the thrust of the first force-receiving portion or the second force-receiving portion to maintain the push block at the second working position.

3. The claw according to claim 1, wherein the snap member further comprises a rotating shaft, the push block is provided with a through hole, and the rotating shaft passes through the through hole and is rotatably connected with the push block.

4. The claw according to claim 1, wherein the spring clip member further comprises a limiting shaft, the push block is provided with a strip-shaped hole, and the limiting shaft penetrates through the strip-shaped hole and is connected with the strip-shaped hole in a sliding manner along the length direction of the strip-shaped hole.

5. A material conveying mechanism, comprising: a storage bin, a retainer plate, a moving plate and the material claw of any one of claims 1-4, wherein the retainer plate is arranged on the storage bin; the material claw is arranged on the moving plate; the material supporting plate is provided with a guide accommodating groove used for accommodating the material claw, the guide accommodating groove is further provided with an inward concave clamping groove, the clamping groove is provided with a first supporting surface and a second supporting surface, the first stress part is attached to the first supporting surface to drive the material supporting plate to move along a first direction, and the second stress part is attached to the second supporting surface to drive the material supporting plate to move along a second direction opposite to the first direction.

6. The material conveying mechanism as claimed in claim 5, wherein the claw has a thrust portion, and the retainer plate has a third support surface for receiving the thrust provided by the thrust portion to drive the retainer plate to move in the second direction.

7. The material transfer mechanism of claim 5, wherein the first force-bearing portion and the second force-bearing portion form an obtuse angle configuration.

8. The material conveying mechanism according to claim 5, further comprising a feeding support plate, a slide rail and a driving cylinder, wherein the driving cylinder and the slide rail are mounted on the feeding support plate, the moving plate is mounted on the slide rail and can slide along the slide rail, the claw body is mounted on the moving plate, the feeding support plate is provided with a through groove, and the storage bin can move up and down through the through groove.

9. The material transfer mechanism of claim 5, wherein the bin comprises a bin support bracket and a bin support plate, the bin support plate being secured to the bin support bracket.

10. An automatic loading and unloading machine, characterized in that the automatic loading and unloading machine comprises a lifting mechanism and a material conveying mechanism of any one of claims 6-9, the lifting mechanism comprises a lifting rod and a lifting plate, and the bin is mounted on the lifting plate; and a connecting seat is arranged on the outer side of the automatic feeding and discharging machine, and the automatic feeding and discharging machine is fixedly connected with a machine tool through the connecting seat.