Automatic feeding machine and control method thereof

Abstract

The embodiment of the present invention particularly relates to an automatic feeder and a control method thereof, including: fixing a vibration device on one side of the bottom plate of the automatic feeder; connecting the vibration device to a position switching fixture through a connecting track; fixing a pneumatic positioning mechanism on one side of the position switching fixture; the position switching fixture switches to the position to be positioned by the pneumatic positioning mechanism under the drive of the push-pull cylinder, and the pneumatic positioning mechanism pushes the part into the position switching fixture to position the part. The sequence of the push-pull cylinder, the positioning cylinder, the first stop cylinder and the second stop cylinder is controlled by an intelligent control system, and the part is automatically transported to the positioning groove by the vibration device, and then the part is pushed into the bottom of the long positioning groove by the positioning fork to realize the positioning of the part, which solves the current manual feeding mode to embed the part into the mold, which is inefficient and time-consuming.

Description

Technical Field

[0001] The embodiments of the present invention relate to a material loader, and more particularly to an automatic material loader and a control method thereof. Background Art

[0002] In injection molded products, parts need to be embedded in the mold and then injection molded. The parts have corresponding positions one by one. At this stage, the manual loading mode is adopted to embed the parts into the mold, which is inefficient and time-consuming. Therefore, first of all, the parts must be positioned before the next step of automated operation can be carried out. Summary of the invention

[0003] The purpose of the embodiments of the present invention is to provide an automatic loading machine capable of automatically placing parts into a positioning fixture.

[0004] In order to achieve the above object, an embodiment of the present invention designs an automatic feeding machine, which is characterized by comprising:

[0005] A vibration device, fixed on one side of the first bottom plate of the automatic feeder;

[0006] A position switching fixture, wherein the vibration device is connected to the position switching fixture via a connecting track;

[0007] A pneumatic positioning mechanism is fixed on one side of the position switching fixture; the position switching fixture is switched to the position to be positioned by the pneumatic positioning mechanism under the drive of the push-pull cylinder, and the pneumatic positioning mechanism pushes the part into the position switching fixture to position the part.

[0008] Furthermore, the vibration device further comprises:

[0009] A vibrator is fixed in the middle of the vibrating device; and a container is fixed on the outside of the vibrator;

[0010] A spiral guide rail is spirally fixed on the inner wall of the container, the spiral guide rail is fixed closely to the inner wall of the container, the spiral guide rail extends to the outside of the container, and the end of the spiral guide rail is connected to the connecting track;

[0011] A pad is fixed under the container and fixedly connected to the first bottom plate; and a connecting plate is fixed under the connecting track.

[0012] Furthermore, the position switching fixture further comprises:

[0013] The push-pull cylinder is fixed below the second bottom plate; the cylinder body of the push-pull cylinder is fixed on the second bottom plate, the piston rod of the push-pull cylinder is connected to one end of a movable connecting plate arranged on the second bottom plate, and the other end of the movable connecting plate is connected to one side of the sliding plate of the position switching fixture; the movable connecting plate moves in the sliding groove opened on the second bottom plate; a slide rail is fixed above the sliding plate, a plurality of sliders are fixed above the slide rail, a sliding plate is fixed above the slider, a plurality of positioning grooves are opened in parallel above the sliding plate, a plurality of stop blocks are fixed on the side of the sliding plate, and the number of the stop blocks is set according to the number of the positioning grooves;

[0014] A plurality of circular holes are provided below the second bottom plate on one side of the stop block, and a stop cylinder is fixed below the circular holes; a stop head is fixed on the piston of the stop cylinder;

[0015] A fixing bracket is fixed on one side of the sliding plate, a blocking strip is fixed transversely above the fixing bracket, and a pin is fixed below the blocking strip, and the pin is directly opposite to the top of the positioning groove.

[0016] Furthermore, a photoelectric switch is fixed on one side of the pneumatic positioning mechanism, and the pneumatic positioning mechanism further comprises:

[0017] A cylinder bracket is fixed to the second base plate, and a positioning cylinder is connected to the cylinder bracket through a threaded connection; guide columns are respectively arranged on both sides of the positioning cylinder, a linear bearing is fixed to the cylinder bracket, and one end of the guide column is inserted into the inner hole of the linear bearing; a positioning fixture is fixed to the other end of the guide column, and a plurality of positioning forks are arranged on the positioning fixture.

[0018] Furthermore, the positioning groove further comprises: a long positioning groove and a short positioning groove;

[0019] The number of long positioning grooves, short positioning grooves, positioning forks and connecting rails is 2 each.

[0020] Furthermore, the distance between the long positioning groove is equal to the short positioning groove, and is equal to the distance between the positioning forks; and is also equal to the distance between the connecting rails.

[0021] Furthermore, the positioning fork slides in the long positioning groove to push the parts.

[0022] Furthermore, the short positioning groove and the long positioning groove are arranged at intervals, and the short positioning groove is aligned with the outlet of the connecting track.

[0023] Furthermore, the number of the stop cylinders and the stop blocks is 2, and the stop cylinder also includes a first stop cylinder and a second stop cylinder; the stop block includes: a first stop block and a second stop block; the sequential control of the push-pull cylinder, the positioning cylinder, the first stop cylinder and the second stop cylinder is realized by an intelligent control system.

[0024] The embodiment of the present invention also provides a control method for an automatic feeder, which is characterized in that:

[0025] The control method is as follows: putting the parts into a container, and transporting the parts to the connecting track through a vibrator. When the first stop block is blocked by the first stop cylinder, the parts are just loaded into a long positioning groove and a short positioning groove, and then the push-pull cylinder is started. During the movement of the push-pull cylinder, until the first stop block is blocked by the second stop cylinder, the parts are loaded into another long positioning groove and another short positioning groove; when the second stop block is blocked by the second stop cylinder, the positioning cylinder drives the positioning fork to push the part placed in the long positioning groove to the bottom of the long positioning groove; after the positioning of the parts is completed, the positioning fork retracts after being pushed in; the first stop cylinder and the second stop cylinder both retract; the push-pull cylinder extends to the top, waiting for the robot to take the parts away, and after the robot takes the parts away, the push-pull cylinder retracts to the position where the first stop block is blocked by the first stop cylinder, and then the cycle is repeated.

[0026] Compared with the prior art, the embodiments of the present invention utilize the stop block and the stop cylinder in the pneumatic positioning mechanism to control the position of the push-pull cylinder in the position switching fixture. At the same time, a vibration device is utilized to automatically transport the parts to the positioning groove, and then the parts are pushed into the bottom of the long positioning groove by the positioning fork to realize the positioning of the parts. This solves the technical problem that the current mode of manual loading is used to embed parts into the mold, which is inefficient and time-consuming and labor-intensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the present invention;

[0028] Figure 2 for Figure 1 A top view schematic diagram of

[0029] Figure 3 for Figure 1 Schematic diagram of the left side;

[0030] Figure 4 It is a schematic structural diagram of the push-pull cylinder of the present invention. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present invention clearer, the following will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the various embodiments of the present invention, many technical details are provided in order to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed for protection in the claims of the present application can be implemented.

[0032] The first embodiment of the present invention relates to an automatic loading machine, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, including:

[0033] A vibration device 10 is fixed on one side of the first bottom plate 1 of the automatic feeder. The vibration device 10 is used to convey the parts 2. In this embodiment, four vibration devices such as Figure 1 The 4 parts shown in 2.

[0034] The vibration device 10 is connected to the position switching fixture 20 through the connecting track 3, and the position switching fixture 20 and the vibration device 10 are connected through the connecting track 3, and the part 2 reaches the position switching fixture 20 from the top of the vibration device 10 through the connecting track 3;

[0035] A pneumatic positioning mechanism 40 is fixed on one side of the position switching fixture 20; the position switching fixture 20 is switched to the position to be positioned by the pneumatic positioning mechanism 40 under the drive of the push-pull cylinder 21, and the pneumatic positioning mechanism 40 pushes the part 2 into the position switching fixture 20 to position the part 2; the pneumatic positioning mechanism 40 mainly plays a role in positioning the part 2, and the position switching fixture 20 can switch to multiple different positions under the drive of the push-pull cylinder 21, and in this embodiment, at least 4 different positions can be switched.

[0036] In this embodiment, the part 2 is automatically loaded onto the position switching fixture 20 through the vibration device 10, and the multiple positions of the position switching fixture 20 are switched until all the parts 2 are positioned. The functions of automatic loading and fixture positioning of the part 2 are realized. The current manual loading mode is adopted to embed the part 2 into the mold, which is inefficient, time-consuming and labor-intensive.

[0037] In order to achieve the above technical effects, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the vibration device 10 further includes:

[0038] A vibrator 11 is fixed in the middle of the vibration device 10; a container 12 is fixed outside the vibrator 11, and the vibrator 11 plays a role of vibration, so that the part 2 is transported from the bottom of the container 12 to the connecting track 3, and then to the position switching fixture 20;

[0039] A spiral guide rail 13 is spirally fixed on the inner wall of the container 12. The spiral guide rail 13 is fixed close to the inner wall of the container 12. The spiral guide rail 13 extends to the outside of the container 12. The end of the spiral guide rail 13 is connected to the connecting track 3. The function of the spiral guide rail 13 is to transport the parts 2 upward from the bottom of the container 12.

[0040] A backing plate 14 is fixed below the container 12 and fixedly connected to the first bottom plate 1; a connecting plate 15 is fixed below the connecting track 3. The backing plate 14 and the connecting plate 15 mainly play a fixing role.

[0041] Similarly, in order to achieve the above technical effects, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the position switching fixture 20 further includes:

[0042] A push-pull cylinder 21 is fixed below the second base plate 4; the cylinder body of the push-pull cylinder 21 is fixed on the second base plate 4, the piston rod of the push-pull cylinder 21 is connected to one end of a movable connecting plate 22 arranged on the second base plate 4, and the other end of the movable connecting plate 22 is connected to one side of a sliding plate 23 of the position switching fixture 20; the movable connecting plate 22 moves in a slide groove 24 provided on the second base plate 4; a slide rail 25 is fixed above the sliding plate 23, and a plurality of sliders 26 are fixed above the slide rail 25. In this embodiment, two sliders 26 are provided. The sliding plate 23 is fixed above the slider 26, and a plurality of positioning grooves 27 are provided in parallel above the sliding plate 23. A plurality of stop blocks 28 are fixed on the side of the sliding plate 23, and the number of the stop blocks 28 is set according to the number of the positioning grooves 27; in this embodiment, there are four stop blocks 28 and four positioning grooves 27. In this embodiment, the push-pull cylinder 21 drives the sliding plate 23,

[0043] A plurality of circular holes 29 are provided below the second bottom plate 4 on one side of the stop block 28 , and a stop cylinder 31 is fixed below the circular hole 29 ; a stop head 32 is fixed on the piston of the stop cylinder 31 ; the stop cylinder 31 drives the stop head 32 to stop the stop block 28 .

[0044] A fixed bracket 33 is fixed on one side of the sliding plate 23, a baffle 34 is fixed laterally above the fixed bracket 33, and a pin 35 is fixed below the baffle 34. The pin 35 is directly opposite to the top of the positioning groove 27. The above structure is used to limit the part 2 from entering the positioning groove 27, so as to better enable the part 2 to enter the positioning groove 27 and realize the positioning of the part 2.

[0045] Similarly, in order to achieve the above technical effects, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a photoelectric switch 41 is fixed on one side of the pneumatic positioning mechanism 40, and the pneumatic positioning mechanism 40 also includes:

[0046] A cylinder bracket 42 is fixed on the second base plate 4, and a positioning cylinder 43 is connected to the cylinder bracket 42 through a threaded connection; guide columns 44 are respectively arranged on both sides of the positioning cylinder 43, a linear bearing 45 is fixed on the cylinder bracket 42, and one end of the guide column 44 is inserted into the inner hole of the linear bearing 45; a positioning fixture 46 is fixed to the other end of the guide column 44, and a plurality of positioning forks 47 are arranged on the positioning fixture 46. In this embodiment, there are two positioning forks 47.

[0047] Similarly, in order to achieve the above technical effects, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the positioning groove 27 also includes: a long positioning groove 271 and a short positioning groove 272;

[0048] The number of the long positioning groove 271 , the short positioning groove 272 , the positioning fork 47 , and the connecting rail 3 are all two.

[0049] The distance between the long positioning groove 271 and the short positioning groove 272 is equal, and the distance between the positioning fork 47 is equal; it is also equal to the distance between the connecting rails 3. The positioning fork 47 slides in the long positioning groove 271 to push the parts. The short positioning groove 272 is spaced apart from the long positioning groove 271, and the short positioning groove 272 is aligned with the outlet of the connecting rail 3.

[0050] Similarly, in order to achieve the above technical effects, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, theoretically, the number of the stop cylinders 31 and the stop blocks 28 can be multiple, forming a number of gears that is the multiplication of the number of the stop cylinders 31 and the number of the stop blocks 28. In the present embodiment, taking the number of the stop cylinders 31 and the stop blocks 28 as 2 as an example, the stop cylinder 31 also includes a first stop cylinder 311 and a second stop cylinder 312; the stop block 28 includes: a first stop block 281 and a second stop block 282; the sequential control of the push-pull cylinder 21, the positioning cylinder 43, the first stop cylinder 311 and the second stop cylinder 312 is realized by the intelligent control system.

[0051] In the second embodiment of the present invention, a control method and an intelligent control system for an automatic feeder are provided. The control method is as follows: a part 2 is placed in a container 12, and the part 2 is transported to the connecting track 3 by a vibrator 11. When the first stop block 281 is blocked by the first stop cylinder 311, the part 2 is just loaded into a long positioning groove 271 and a short positioning groove 272. Then, the push-pull cylinder 21 is started. During the movement of the push-pull cylinder 21, until the first stop block 281 is blocked by the second stop cylinder 312, the part 2 is just loaded into another long positioning groove 271 and another short positioning groove 272. Part 2 is loaded into the positioning groove 272; when the second stop block 282 is blocked by the second stop cylinder 312, the positioning cylinder 43 drives the positioning fork 47 to push the part 2 placed in the long positioning groove 271 to the bottom of the long positioning groove 271; the positioning of the part 2 is completed, and the positioning fork 47 retracts after being pushed in; the first stop cylinder 311 and the second stop cylinder 312 are both retracted; the push-pull cylinder 21 extends to the top, waiting for the robot to take away the part 2. After the robot takes away the part 2, the push-pull cylinder 21 retracts to the place where the first stop block 281 is blocked by the first stop cylinder 311, and then the cycle is repeated in sequence.

[0052] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. An automatic feeding machine, characterized in that: include: A vibration device, fixed on one side of the first bottom plate of the automatic feeder; A position switching fixture, wherein the vibration device is connected to the position switching fixture via a connecting track; A pneumatic positioning mechanism is fixed on one side of the position switching fixture; the position switching fixture is switched to the position to be positioned by the pneumatic positioning mechanism under the drive of the push-pull cylinder, and the pneumatic positioning mechanism pushes the part into the position switching fixture to position the part; The position switching fixture further comprises: The push-pull cylinder is fixed below the second bottom plate; The cylinder body of the push-pull cylinder is fixed on the second bottom plate, the piston rod of the push-pull cylinder is connected to one end of a movable connecting plate arranged on the second bottom plate, and the other end of the movable connecting plate is connected to one side of the sliding plate of the position switching fixture; the movable connecting plate moves in a slide groove provided on the second bottom plate; a slide rail is fixed above the second bottom plate, a plurality of sliders are provided above the slide rail, a sliding plate is fixed above the slider, a plurality of positioning grooves are provided above the sliding plate in parallel, a plurality of stop blocks are fixed on the side of the sliding plate, and the number of the stop blocks is set according to the number of the positioning grooves; A plurality of circular holes are provided below the second bottom plate on one side of the stop block, and a stop cylinder is fixed below the circular holes; a stop head is fixed on the piston of the stop cylinder; A fixing bracket is fixed on one side of the sliding plate, a blocking strip is fixed transversely above the fixing bracket, and a pin is fixed below the blocking strip, and the pin is directly opposite to the top of the positioning groove.

2. The automatic feeding machine according to claim 1, characterized in that: The vibration device further comprises: A vibrator is fixed in the middle of the vibrating device; and a container is fixed on the outside of the vibrator; A spiral guide rail is spirally fixed on the inner wall of the container, the spiral guide rail is fixed closely to the inner wall of the container, the spiral guide rail extends to the outside of the container, and the end of the spiral guide rail is connected to the connecting track; A pad is fixed under the container and fixedly connected to the first bottom plate; and a connecting plate is fixed under the connecting track.

3. The automatic feeding machine according to claim 2, characterized in that: A photoelectric switch is fixed on one side of the pneumatic positioning mechanism, and the pneumatic positioning mechanism further comprises: A cylinder bracket is fixed to the second base plate, and a positioning cylinder is connected to the cylinder bracket through a threaded connection; guide columns are respectively arranged on both sides of the positioning cylinder, a linear bearing is fixed to the cylinder bracket, and one end of the guide column is inserted into the inner hole of the linear bearing; a positioning fixture is fixed to the other end of the guide column, and a plurality of positioning forks are arranged on the positioning fixture.

4. The automatic feeding machine according to claim 3, characterized in that: The positioning groove further comprises: a long positioning groove and a short positioning groove; The number of long positioning grooves, short positioning grooves, positioning forks and connecting rails is 2 each.

5. The automatic feeding machine according to claim 4, characterized in that: The distance between the long positioning groove and the short positioning groove is equal and equal to the distance between the connecting rails; the distance between the positioning forks is equal to the distance between the two long positioning grooves.

6. The automatic feeding machine according to claim 5, characterized in that: The positioning fork slides in the long positioning groove and is used to push the parts.

7. The automatic feeding machine according to claim 6, characterized in that: The short positioning groove is spaced apart from the long positioning groove, and the short positioning groove is aligned with the outlet of the connecting track.

8. The automatic feeding machine according to claim 7, characterized in that: The number of the stop cylinders and the stop blocks is 2, and the stop cylinder also includes a first stop cylinder and a second stop cylinder; the stop block includes: a first stop block and a second stop block; the sequential control of the push-pull cylinder, the positioning cylinder, the first stop cylinder and the second stop cylinder is realized by an intelligent control system.

9. A control method for the automatic feeding machine as claimed in claim 8, characterized in that: The control method is as follows: the parts are placed in a container, and the parts are transported to the connecting track by a vibrator. When the first stop block is stopped by the first stop cylinder, the parts are loaded into a long positioning groove and a short positioning groove. Then, the push-pull cylinder is started. During the movement of the push-pull cylinder, the parts are loaded into another long positioning groove and another short positioning groove until the first stop block is stopped by the second stop cylinder. When the second stop block is blocked by the second stop cylinder, the positioning cylinder drives the positioning fork to push the part placed in the long positioning groove to the bottom of the long positioning groove; after the positioning of the part is completed, the positioning fork retracts after being pushed in; the first stop cylinder and the second stop cylinder both retract; the push-pull cylinder extends to the top, waiting for the robot to take the part away, and after the robot takes the part away, the push-pull cylinder retracts to the place where the first stop block is blocked by the first stop cylinder, and then the cycle continues.

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