CN117963500B - Automatic feeding device for conveyor - Google Patents

Abstract

The invention relates to the technical field of conveying and feeding, in particular to an automatic feeding device for a conveyor, which comprises a base, side plates and a limiting mechanism. The conveying belt is arranged in the invention to convey the workpiece into the limiting area, the limiting mechanism firstly provides a placement reference for placement of the workpiece, then initially carries out limiting control on the position of the workpiece, guides the workpiece to move towards the middle, simultaneously carries out primary limiting on the position of the workpiece, lays a foundation for centering operation of a subsequent centering group, and then carries out secondary limiting on the workpiece when the centering group works to enable the workpiece to be positioned at a designated position on the conveying belt, so that the workpiece is in a continuous stable centering state in the process of conveying the workpiece onto the disc, and the phenomenon that the workpiece cannot be accurately fed to the designated position due to initial placement deviation of the workpiece or position deviation generated during conveying is avoided, and then the subsequent feeding and processing processes are directly influenced.

Description

Automatic feeding device for conveyor

Technical Field

The invention relates to the technical field of conveying and feeding, in particular to an automatic feeding device for a conveyor.

Background

The automatic feeding system is generally applied to automatic production lines and processing equipment, such as small-sized switch cabinet processing, capacitor assembly and the like, and raw materials or workpieces can be automatically conveyed to corresponding production equipment through the automatic feeding system, so that automatic production is realized, manual operation is reduced, and production effect and accuracy in the whole production process are improved.

Taking the processing of a small-sized switch cabinet as an example, after the semi-finished product of the small-sized switch cabinet is processed and molded, operations such as stamping and assembling parts and components are required to be performed on a panel on the semi-finished product of the small-sized switch cabinet, and in the operation process, the semi-finished product of the small-sized switch cabinet (hereinafter referred to as a workpiece) is usually fed to a processing station for processing in an automatic feeding mode.

However, the automatic feeding process has the following problems: 1. the work piece is carried to production facility usually with the conveyer belt, and the placing of work piece is carried out through manual operation more, and the position is more difficult to guarantee the same all the time that a plurality of work pieces were placed on the conveyer belt, in addition lack to carry out spacing operation to the work piece in the transportation, lead to there is the deviation between the setting placement on the position of work piece and the processing station, and the difficult accurate material loading of work piece is to appointed position department, can directly influence follow-up material loading and processing then.

2. When the processing point is located on the conveyor belt, namely when the workpiece stays on the conveyor belt to receive processing, the workpiece needs to be suspended for feeding before processing, and the feeding operation is resumed after the single processing is finished, so that the working efficiency of the feeding is reduced, the continuity of the feeding and processing operation of the workpiece is reduced, and secondly, if the processing point is located outside the conveyor belt, the workpiece is easily shifted when moving from the conveyor belt to the processing point, the precision and the progress of the subsequent processing process are affected, and the feeding progress of the subsequent workpiece is affected by the processing progress.

Disclosure of Invention

Based on this, it is necessary to provide an automatic feeding device for a conveyor, which aims to solve the above technical problems.

The application provides an automatic feeding device for a conveyor, which comprises: the base, the up end of base is fixed to be provided with two front and back symmetry's curb plate, is provided with conveyer jointly between two curb plates, and conveyer's right side region is for placing the district, left side region is spacing district, is provided with the striker plate that a plurality of equidistance were arranged on the conveyer, is provided with the stop gear who is used for spacing to the work piece between two curb plates.

The upper end face of the base is provided with a disc which is positioned on the left side of the conveyor belt through rotation of the rotating shaft, the disc is provided with a limiting unit used for limiting a workpiece on the disc, and the upper end face of the disc is respectively provided with a feeding area, a processing area and a discharging area.

The limiting mechanism comprises movable columns, two opposite faces of the side plates are respectively and slidably penetrated with movable columns with axes extending from front to back, guide plates are respectively and fixedly arranged on opposite faces of the two movable columns, the two guide plates are symmetrical front and back, the guide plates are sequentially divided into horizontal sections and inclined sections from left to right, the inclined sections of the guide plates incline from left to right to the corresponding side plates, centering groups for centering the front and back directions of the workpieces are arranged on the baffle plates, and the centering groups comprise centering strips which are symmetrical front and back and are used for enabling the workpieces to keep a centering state.

According to an advantageous embodiment, the movable column is provided with a plurality of positioning holes which are distributed from front to back at equal intervals and the axes of which extend from top to bottom, and a positioning bolt is arranged between the horizontal section of the guide plate and the corresponding side plate and is in plug-in fit with the corresponding positioning hole.

According to an advantageous embodiment, the centering group further comprises a rectangular groove, two rectangular grooves which are symmetrical around are formed in the end face, far away from the conveying belt, of the baffle plate, a sliding groove is formed in the inner wall, close to the conveying belt, of the rectangular groove, a sliding block is arranged in the sliding groove in a sliding mode, a rotating shaft with an axis extending from bottom to top is mounted on the sliding block, the rotating shaft is rotationally connected with a corresponding centering strip, a spiral spring is fixedly sleeved on the rotating shaft, the free end of the spiral spring is fixedly connected with the corresponding sliding block through a fixing column, an adjusting group I is arranged on the baffle plate, and a driving unit for driving the corresponding two centering strips is arranged on the rear side plate.

According to an advantageous embodiment, the first adjusting group comprises through holes, a plurality of through holes are formed in the striker plate, the through holes are communicated with the corresponding rectangular grooves, the sliding block is provided with a placing groove, and a fixing bolt is inserted between the placing groove and the corresponding through holes.

According to an advantageous embodiment, the drive unit includes the rectangular plate, the rear side the up end of curb plate is fixed to be provided with the rectangular plate, waist type groove and transverse groove have been seted up to the preceding terminal surface of rectangular plate, and transverse groove is located the top in waist type groove, the slip is provided with the drive block in the transverse groove, the slip is provided with the slider module in waist type groove, the preceding terminal surface of drive block is fixed and is provided with horizontal strip one, slide on the horizontal strip one and be provided with the lift post that the axis extends from top to bottom, the preceding terminal surface of slider module is provided with horizontal strip two through circular post rotation, lift post and horizontal strip two fixed connection, the lower terminal surface of lift post is fixed and is provided with the side direction board, the left end face of side direction board is fixed and is provided with two front and back symmetrical drive strips, the opposite face of two drive strips is all fixed and is provided with the cooperation strip that thickness is the same with the strip thickness in the middle, be provided with on the side direction board and adjust group two.

According to an advantageous embodiment, the adjusting group comprises a longitudinal groove, two longitudinal grooves which are symmetrical around are formed in the left end face of the lateral plate, a longitudinal block is slidably mounted in the longitudinal groove, the longitudinal block is fixedly connected with a corresponding driving strip, an adjusting gear is rotatably arranged on the left end face of the lateral plate through a rotating column, rack plates which are meshed with the adjusting gear are fixedly arranged on opposite faces of the two driving strips, a plurality of matching holes which are uniformly distributed in the circumferential direction and extend from left to right in the axis are formed in the adjusting gear in a penetrating mode, and matching bolts with the axis extending from left to right are movably arranged on the lateral plate.

According to an advantageous embodiment, the height of the centering bars is greater than the height of the corresponding striker plates, the driving bars are mutually matched with the corresponding centering bars, and the left end faces of the lateral plates are fixedly provided with pushing blocks for pushing the workpieces into the discs through two connecting blocks which are distributed front and back.

According to an advantageous embodiment, the spacing unit includes the stay groove, a plurality of circumference even stay grooves have been seted up to the up end of disc, the up end of disc is fixed to be provided with the mounting panel one of stay groove one-to-one, the activity runs through on the mounting panel one has the directional disc axis of axis and with the perpendicular tight axle of support of disc axis, the terminal surface that supports tight axle and keep away from corresponding mounting panel one is fixed to be provided with and supports tight board, support between tight board and the mounting panel one and fixedly be provided with the cover together and establish at the spring second that supports tight epaxial, support tight board and keep away from the terminal surface that corresponds mounting panel one and be provided with the horizontal cross-section and be trapezoidal interior cavity, and the slope inner wall of interior cavity is the ladder, the up end of disc is fixed to be provided with the mounting panel group of stay groove one-to-one, including two about corresponding mounting panel second that supports tight axle axis and be central symmetry in the mounting panel group, the equal activity of mounting panel is run through and is supported tight pole, the opposite face of two corresponding support tight poles is fixed with the triangular block that is right triangle-angled, the inclined plane of triangular block is opposite disc axis, fixedly between triangular block and the mounting panel are provided with the spring that is established on supporting tight pole jointly.

According to an advantageous embodiment, the limiting unit further comprises a receiving group, the circumferential surface of the disc is provided with receiving grooves corresponding to the detention grooves one by one, the receiving grooves are slidably provided with receiving plates, springs four are fixedly arranged between the receiving plates and the inner walls of the receiving grooves, the upper end surface of the rightmost receiving plate is provided with two symmetrically arranged strip-shaped grooves, and the strip-shaped grooves are matched with the corresponding centering strips.

According to an advantageous embodiment, the upper end face of the disc is provided with a release group, the release group comprises a central column, the upper end face of the base is fixedly provided with a central column penetrating through the rotating shaft and the disc, a T-shaped plate is arranged on the central column in a sliding mode, two bilaterally symmetrical inclined plates are fixedly arranged on the lower end face of the transverse section of the T-shaped plate, and a waist-shaped block matched with the inclined plates is fixedly arranged on the end face, away from the corresponding triangular block, of the abutting rod.

In summary, the invention has the following beneficial effects: 1. the conveying belt is arranged in the invention to convey the workpiece into the limiting area, the limiting mechanism firstly provides a placement reference for placement of the workpiece, then initially carries out limiting control on the position of the workpiece, guides the workpiece to move towards the middle, simultaneously carries out primary limiting on the position of the workpiece, lays a foundation for centering operation of a subsequent centering group, and then carries out secondary limiting on the workpiece when the centering group works to enable the workpiece to be positioned at a designated position on the conveying belt, so that the workpiece is in a continuous stable centering state in the process of conveying the workpiece onto the disc, and the phenomenon that the workpiece cannot be accurately fed to the designated position due to initial placement deviation of the workpiece or position deviation generated during conveying is avoided, and then the subsequent feeding and processing processes are directly influenced.

2. According to the invention, continuous stable centering adjustment of the workpiece is realized through the cooperation of the limiting mechanism and the centering group, meanwhile, the centering stable limiting of the workpiece is linked through the limiting mechanism, so that the workpiece keeps a centering stable state and moves from the conveyor belt to the disc, the workpiece moves to the disc to obtain instant preliminary limiting, centering stable conveying and centering stable transferring can be realized through one limiting mechanism, and the operation consistency and linkage effect of the whole device are improved while the driving source is reduced.

3. According to the invention, the workpiece moving to the disc is subjected to instant preliminary limiting through the limiting unit, so that the workpiece is prevented from shifting from the conveyor belt to the disc in a centered and stable state, the position accuracy of the workpiece on the disc is improved, the precision and the progress of subsequent processing are further improved, and the efficiency of subsequent feeding is improved by improving the processing progress.

4. In the invention, in the process of conveying the workpiece from the conveyor belt to the processing area, the bearing plate is always clung to the conveyor belt under the action of the elastic force of the corresponding spring IV, the workpiece is conveyed onto the disc from the conveyor belt by utilizing the bearing plate, the work of the conveyor belt is not hindered, and in the process of conveying the workpiece onto the disc from the conveyor belt, the two centering strips always keep the centering state of the workpiece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic perspective view of an automatic feeding device for a conveyor according to an embodiment of the present invention.

Fig. 2 shows a top view of an automatic feeding device for a conveyor according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view showing a structure among a conveyor belt, a driving unit and a receiving plate according to an embodiment of the present invention.

Fig. 4 shows a schematic perspective view of a partial structure among a striker plate, a receiving group and a lifting column according to an embodiment of the present invention.

Fig. 5 shows a schematic perspective view of a striker plate, a second adjustment group and a driving bar according to an embodiment of the present invention.

Fig. 6 shows an enlarged view at a in fig. 5 provided in accordance with an embodiment of the present invention.

Fig. 7 shows a schematic perspective view of a striker plate, a fixing latch and a mating latch according to an embodiment of the present invention.

Wherein the above figures include the following reference numerals: 1. a base; 2. a side plate; 20. a conveyor belt; 3. a placement area; 4. a limit area; 5. a striker plate; 6. a limiting mechanism; 60. a movable column; 61. a guide plate; 62. a centering group; 620. a central bar; 621. rectangular grooves; 622. a sliding groove; 623. a sliding block; 624. a spiral spring; 63. positioning holes; 630. positioning a bolt; 64. adjusting the first group; 640. a through hole; 641. fixing the bolt; 65. a driving unit; 650. a rectangular plate; 651. a waist-shaped groove; 652. a transverse slot; 653. a slider module; 654. horizontal bar one; 655. lifting columns; 656. horizontal bars II; 657. a lateral plate; 658. a drive bar; 659. a mating strip; 66. adjusting the second group; 660. a longitudinal slot; 661. an adjusting gear; 662. rack plate; 663. a mating hole; 664. matching with a bolt; 67. a pushing block; 7. a disc; 8. a limit unit; 80. a retention tank; 81. a first mounting plate; 82. a pressing shaft; 820. a pressing plate; 821. a second spring; 83. a second mounting plate; 830. a tightening rod; 831. triangular blocks; 832. a third spring; 84. a receiving group; 840. a receiving plate; 841. a bar-shaped groove; 85. releasing the group; 850. a center column; 851. a T-shaped plate; 852. an inclined plate; 853. a waist-shaped block; 9. a feeding area; 90. a processing zone; 91. and a blanking area.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1,2 and 3, an automatic feeding device for a conveyor includes: the base1, the up end of base1 is fixed to be provided with two front and back symmetry's curb plate 2, is provided with conveyer 20 jointly between two curb plates 2, and conveyer 20 is by outside motor one (not shown in the figure) drive, and conveyer 20's right side region is for placing district 3, left side region is spacing district 4, is provided with a plurality of striker plates 5 that the equidistance was arranged on the conveyer 20, is provided with the stop gear 6 that is used for carrying out spacing to the work piece between two curb plates 2.

The upper end face of the base 1 is provided with a disc 7 positioned on the left side of the conveyor belt 20 through rotation of a rotating shaft, the disc 7 is driven to rotate by an external motor II (not shown in the figure), the disc 7 is provided with a limiting unit 8 for limiting workpieces on the disc 7, and the upper end face of the disc 7 is provided with a feeding area 9, a processing area 90 and a discharging area 91 respectively.

During operation, a worker places a workpiece in the placement area 3 of the conveyor belt 20, meanwhile, the conveyor belt 20 is driven to move from right to left by the operation of the external motor, in the process that the workpiece moves along with the conveyor belt 20, the position of the workpiece is limited and controlled by the operation of the limiting mechanism 6, the workpiece is located at a designated position, then the workpiece is conveyed into the feeding area 9 on the disc 7, the workpiece is limited and controlled again by the limiting unit 8, the disc 7 is rotated by the operation of the external motor, the clamped workpiece enters the processing area 90, the workpiece is processed by external processing equipment in the processing area 90, the processed workpiece enters the blanking area 91 along with the rotation of the disc 7, and the worker takes out the processed workpiece in the blanking area 91.

As shown in fig. 2, 3 and 5, the limiting mechanism 6 includes a movable column 60, two opposite surfaces of the side plates 2 are respectively and slidably penetrated by the movable column 60 with axes extending from front to back, opposite surfaces of the two movable columns 60 are respectively and fixedly provided with a guide plate 61, the two guide plates 61 are symmetrical front to back, the front guide plate 61 is illustrated as an example, the front guide plate 61 is sequentially divided into a horizontal section and an inclined section from left to right, the inclined section is inclined forward from left to right, a centering group 62 for centering the front and back directions of the workpiece is provided on the striker plate 5, and the centering group 62 includes two centering strips 620 which are symmetrical front to back and are used for centering the workpiece.

As shown in fig. 3, the movable column 60 is provided with a plurality of positioning holes 63 which are equidistantly arranged from front to back and have axes extending from top to bottom, and a positioning bolt 630 is disposed between the horizontal section of the guide plate 61 and the corresponding side plate 2, and the positioning bolt 630 is in plug-in fit with the corresponding positioning hole 63.

As shown in fig. 5, 6 and 7, the centering group 62 further includes a rectangular groove 621, two rectangular grooves 621 that are symmetrical around are provided on the end surface of the striker plate 5 that is far away from the conveyor belt 20, a sliding groove 622 is provided on the inner wall of the rectangular groove 621 that is close to the conveyor belt 20, a sliding block 623 is provided in the sliding groove 622 in a sliding manner, a rotating shaft with an axis extending from bottom to top is mounted on the sliding block 623, the rotating shaft is rotationally connected with a corresponding centering bar 620, a spiral spring 624 is fixedly sleeved on the rotating shaft, the free end of the spiral spring 624 is fixedly connected with the corresponding sliding block 623 through a fixing column, an adjusting group one 64 is provided on the striker plate 5, and a driving unit 65 for driving the corresponding two centering bars 620 is provided on the rear side plate 2.

During operation, the staff will need the work piece to place in the area 3 of placing of conveyer 20, simultaneously outside motor work makes conveyer 20 drive the work piece and removes from right to left, two deflector 61 that set up guide the work piece and remove, carry out first spacing to the work piece promptly, then drive unit 65 makes two centering bars 620 carry out the secondary spacing to the work piece, be located appointed position department after making the work piece center, the work piece is moved to the material loading district 9 in the disc 7 under the steady state of centering, spacing unit 8 work carries out final spacing to the work piece, follow-up work piece is processed in processing district 90, accomplish the unloading in unloading district 91, accomplish automatic feeding operation. The deflector 61 and the strip 620 that centers in the middle cooperate two independent spacing that form, compare continuous single spacing, can effectively avoid follow-up work piece spacing processing to influence the spacing state of spacing work piece forward had been spacing, also effectively avoid single spacing the work piece that brings to place the region little and limited simultaneously, and directly influence the problem that work piece placed efficiency.

As shown in fig. 4, 6 and 7, the first adjusting unit 64 includes a through hole 640, taking the striker plate 5 on the upper side of the conveyor belt 20 as an example for illustration, the right end surface of the striker plate 5 is provided with a plurality of through holes 640 which are arranged from front to back at equal intervals and have axes extending from left to right, the through holes 640 are communicated with the corresponding rectangular grooves 621, the sliding block 623 is provided with a placing groove having axes extending from left to right, and a fixing bolt 641 is inserted between the placing groove and the corresponding through hole 640.

As shown in fig. 3 and fig. 4, the driving unit 65 includes a rectangular plate 650, a rectangular plate 650 is fixedly disposed on an upper end surface of the side plate 2 at a rear side, a waist-shaped slot 651 and a transverse slot 652 are disposed on a front end surface of the rectangular plate 650, the transverse slot 652 is located above the waist-shaped slot 651, a driving block is slidably disposed in the transverse slot 652, a slider module 653 is slidably disposed in the waist-shaped slot 651, the slider module 653 includes a slider module first moving along a straight line and a slider module second moving along a curve, a horizontal bar 654 is fixedly disposed on a front end surface of the driving block, a lifting column 655 extending from top to bottom along an axis is slidably disposed on the horizontal bar 654, a horizontal bar two 656 is rotatably disposed on a front end surface of the slider module 653 through a circular column, a lateral plate 657 is fixedly disposed on a lower end surface of the lifting column 655, two driving bars 658 are symmetrically disposed front and back in a sliding manner on a left end surface of the lateral plate 657, two driving bars 658 are both fixedly disposed on opposite surfaces of the driving bars 658 and have a second matching plate 659 with a thickness identical to the thickness of the centering bar 620, and an adjusting group 659 is disposed on the lateral plate 657.

As shown in fig. 5, 6 and 7, the second adjusting set 66 includes a longitudinal slot 660, two longitudinal slots 660 that are symmetrical in front and back are provided on the left end face of the lateral plate 657, longitudinal blocks are slidably mounted in the longitudinal slots 660, the longitudinal blocks are fixedly connected with corresponding driving bars 658, an adjusting gear 661 is rotatably provided on the left end face of the lateral plate 657 through a rotating column, rack plates 662 that are meshed with the adjusting gear 661 are fixedly provided on opposite faces of the two driving bars 658, a plurality of matching holes 663 that are uniformly distributed in the circumferential direction and have axes extending from left to right are provided on the adjusting gear 661, and matching pins 664 having axes extending from left to right are movably provided on the lateral plate 657.

As shown in fig. 5 and 7, taking the striker plate 5 on the upper side of the conveyor belt 20 and the corresponding centering bar 620 as an example, the height of the centering bar 620 is larger than that of the corresponding striker plate 5, the driving bar 658 is matched with the corresponding centering bar 620, and the pushing block 67 for pushing the workpiece into the disc 7 is fixedly arranged on the left end face of the lateral plate 657 through two connecting blocks distributed back and forth.

During operation, the fixing bolt 641 is pulled out to withdraw from the placing groove, the sliding blocks 623 are moved to adjust the distance between the two sliding blocks 623, then the fixing bolt 641 is inserted into the placing groove through the through hole 640 at the corresponding position, namely, the position of the sliding blocks 623 is fixed, then the matching bolt 664 is moved rightward to withdraw from the matching hole 663, one driving bar 658 is moved, the driving bar 658 drives the rack plate 662 thereon to synchronously move, the other rack plate 662 drives the corresponding driving bar 658 to synchronously move through the meshing between the rack plate 662 and the adjusting gear 661, so that the moving speeds of the two driving bars 658 are the same but opposite in direction, after the spacing between the two driving bars 658 is adjusted, the matching bolt 664 is inserted into the matching hole 663 at the corresponding position to fix the position of the two driving bars 658, and the spacing between the two centering bars 620 and the spacing between the two driving bars 658 are adjusted through the adjusting process, so that the centering process of workpieces with different sizes is adapted.

As shown in fig. 2, fig. 3 and fig. 4, the limiting unit 8 includes a retention groove 80, a plurality of retention grooves 80 with uniform circumferential direction are formed on the upper end surface of the disc 7, a first mounting plate 81 corresponding to the retention grooves 80 is fixedly arranged on the upper end surface of the disc 7, a second mounting plate 83 with a central symmetry arranged on the axis of the corresponding compression shaft 82 is movably penetrated on the first mounting plate 81, a compression plate 820 is fixedly arranged on the end surface of the compression shaft 82 away from the corresponding mounting plate 81, a second spring 821 sleeved on the compression shaft 82 is fixedly arranged between the compression plate 820 and the first mounting plate 81, an inner concave cavity with a trapezoid horizontal section is arranged on the end surface of the compression plate 820 away from the corresponding mounting plate 81, the inclined inner wall of the inner concave cavity is in a step shape, a second mounting plate 83 corresponding to the retention grooves 80 is fixedly arranged on the upper end surface of the disc 7, a compression rod 830 is movably penetrated on the second mounting plate 83, a right-angle triangular block is fixedly arranged on the opposite surface of the corresponding two compression rods 830, a right-angle triangular block is fixedly arranged on the opposite side of the second mounting plate 83, and a right-angle triangular block 831 is fixedly arranged between the third mounting plate 831 and the third mounting plate 831 is fixedly arranged on the inclined surface of the disc 831.

As shown in fig. 2, 3 and 4, the limiting unit 8 further includes a receiving set 84, the circumferential surface of the disc 7 is provided with receiving grooves corresponding to the retaining grooves 80 one by one, receiving plates 840 are slidably disposed in the receiving grooves, springs four (not shown in the drawings) are fixedly disposed between the receiving plates 840 and the inner walls of the receiving grooves, taking the rightmost receiving plate 840 as an example for illustration, two front-back symmetrical bar grooves 841 are provided on the upper end surface of the rightmost receiving plate 840, and the bar grooves 841 are mutually matched with the corresponding centering bars 620.

As shown in fig. 2 and fig. 4, the upper end surface of the disc 7 is provided with a release group 85, the release group 85 includes a central column 850, the upper end surface of the base 1 is fixedly provided with a central column 850 penetrating through the rotating shaft and the disc 7, the central column 850 is provided with a T-shaped plate 851 in a sliding manner, the lower end surface of a transverse section of the T-shaped plate 851 is fixedly provided with two laterally symmetrical inclined plates 852, taking the right inclined plate 852 as an example for illustration, the right inclined plate 852 is inclined upwards from left to right, the end surface of the abutting rod 830 away from the corresponding triangular block 831 is fixedly provided with a waist-shaped block 853 mutually matched with the inclined plate 852, and the T-shaped plate 851 is driven by an external electric push rod (the external electric push rod can be mounted at the upper end of the disc 7) to move up and down.

When the automatic centering device is specifically operated, the S1 and the external motor work to enable the conveying belt 20 to be in a working state, then a worker places the workpiece in the placing area 3 of the conveying belt, the right end face of the workpiece is placed against the stop plate 5, the conveying belt 20 pushes the workpiece on the conveying belt to synchronously move left through the stop plate 5, the inclined sections of the two guide plates 61 guide the workpiece to move in the front-back direction in the process that the workpiece moves from right to left, then the workpiece moves to the horizontal section area of the guide plates 61, at the moment, the workpiece is located at the middle position of the horizontal sections of the two guide plates 61, and the horizontal sections of the two guide plates 61 limit the front-back direction of the workpiece, namely, the workpiece is initially limited while guiding the movement of the workpiece, so that centering limiting is conveniently implemented by the subsequent centering group 62. The distance between the two guide plates 61 can be adaptively adjusted according to the size of the workpiece, specifically, the positioning bolt 630 is pulled out and the movable column 60 is moved, the movable column 60 drives the guide plates 61 thereon to synchronously move, and when the distance between the two guide plates 61 is a required value, the positioning bolt 630 is inserted into the positioning hole 63 at the corresponding position, so that the distance between the two guide plates 61 is fixed.

S2, when the work piece moves to the left side region of the guide plate 61 after the guide and preliminary spacing of the guide plate 61, the slider module 653 operates to drive the horizontal bar two 656 and the lifting column 655 to move clockwise along the track of the waist-shaped groove 651, under the spacing of the horizontal bar one 654, the lifting column 655 is enabled to always keep in a vertical state, when the slider module 653 moves to the lower side of the waist-shaped section by the upper side of the right waist-shaped section of the waist-shaped groove 651, the slider module 653 drives the lifting column 655 to move left and enable the lifting column 655 to descend, the lifting column 655 drives the lateral plate 657 to synchronously move, then in the process, the corresponding stop plate 5 is pushed to move to the left side of the lateral plate 657 through the preliminary guide spacing work piece, the lifting column 655 drives the two driving bars 658 to synchronously move left through the lateral block 657, the left end of the driving bar 658 is matched with the corresponding centering bar 620, the driving bar 658 pushes the centering bar 620 to rotate, the two centering bars 620 on the stop plate 5 synchronously rotate to the centering bar 620 correspondingly, the two centering bars 620 rotate to enable the two centering bars 620 to be correspondingly positioned on the lateral plate 620 to be in the opposite sides, and the position of the corresponding stop plate 620 is enabled to always keep the position of the two centering bars to be matched with the corresponding stop plate 620, namely, the two centering bars are enabled to keep the position of the stop plate 620 is kept at the position and the position of the corresponding to be kept stable, and the position of the stop plate 620 is kept at the position between the two centering bars and the position is kept in the position opposite to be opposite to the position, and the position is kept stable, and the position is kept stable.

S3, the driving bar 658, the centering bar 620 and the corresponding stop plate 5 cooperate to move to the left side area of the conveyor belt 20 with the centered workpiece, the pushing block 67 pushes the workpiece to move to the receiving plate 840, with the continuous rotation of the conveyor belt 20, the stop plate 5 drives the two centering bars 620 thereon to move from the upper horizontal section of the conveyor belt 20 to the left side waist-shaped section area of the conveyor belt 20, the centering bars 620 cooperate with the corresponding bar grooves 841 on the receiving plate 840 in the process, the centering bars 620 rotate with the conveyor belt 20, the centering bars 620 press the receiving plate 840 to move the corresponding receiving plate 840 to the left, when the centering bars 620 rotate below the receiving plate 840, with the continuous rotation of the stop plate 5, the stop plate 5 presses the receiving plate 840 to move to the left, the corresponding springs four in the process are compressed, the receiving plate 840 is always clung to the conveyor belt 20 under the elastic force of the corresponding springs four, the workpieces are conveyed onto the round disc 7 by the conveyor belt 20, the workpieces are not hindered from the conveyor belt 20, and after the workpieces are conveyed onto the round disc 7 by the corresponding springs, the springs 7, and the centering bars are kept in the centered state by the two centering bars are reset to the round disc 20.

S4, after the corresponding striker plate 5 and the centering bar 620 rotate below the receiving plate 840, the sliding block module 653 drives the lateral plate 657 to continuously move left through the lifting column 655, the lateral plate 657 pushes the workpiece to continuously move left through the pushing block 67 thereon, in the process of moving left of the workpiece, the left section of the workpiece is matched with the corresponding two triangular blocks 831, so that the two triangular blocks 831 are mutually far away, the corresponding two abutting rods 830 are mutually far away, the springs three 832 are compressed, the two triangular blocks 831 are positioned at the front side and the rear side of the workpiece, the workpiece continuously moves left into the inner cavity of the abutting plate 820 and contacts with the stepped surfaces of the abutting plate 820, the two stepped surfaces of the abutting plate 820 mutually cooperate to limit the front and the rear directions of the workpiece, the arrangement limit of workpieces with different sizes is adapted through the cooperation between the two stepped surfaces, along with the continuous movement of the lifting column 655, the pushing block 67 pushes the workpiece and the abutting plate 820 to move left, the second spring 821 is compressed and deformed, the workpiece and the triangular blocks 831 are separated, the two triangular blocks 831 are located on the right side of the workpiece by the elastic force generated by deformation of the third spring 832, then the sliding block module 653 moves from the lower horizontal section of the waist-shaped groove 651 to the upper horizontal section of the waist-shaped section, the sliding block module 653 drives the lateral blocks 657 to move upwards synchronously by the lifting column 655, the workpiece is subjected to leftward thrust to disappear, the abutting plate 820 pushes the workpiece to abut against the triangular blocks 831 by the elastic force generated by deformation of the second spring 821, and the abutting plate 820 and the two triangular blocks 831 are matched with each other to limit and clamp the workpiece in the front-back left-right direction, so that the workpiece is in a stable clamping state, and a processing reference is provided for subsequent processing. The matching strip 659 on the driving strip 658 is always in close contact with the workpiece during the movement of the workpiece by the pushing block 67, i.e. the workpiece is always in a centered position during the movement in the retention groove 80.

S5, the second external motor works to enable the disc 7 to drive the workpiece to synchronously rotate into the processing area 90, meanwhile, the retention groove 80 without the workpiece rotates into the feeding area 9, and then the operation is repeated to carry out continuous feeding operation of the workpiece.

S6, when the disc 7 drives the workpiece processed by the processing area 90 to move into the blanking area 91, the external electric push rod works to enable the T-shaped plate 851 to move downwards, the T-shaped plate 851 drives the two inclined plates 852 on the T-shaped plate to synchronously move downwards, the two waist-shaped blocks 853 are mutually far away from each other through the cooperation between the inclined plates 852 and the corresponding waist-shaped blocks 853 in the blanking area 91, the waist-shaped blocks 853 drive the triangular blocks 831 to synchronously move to the triangular blocks 831 through the abutting rods 830 without contacting with the workpiece, limiting fixation of the workpiece is relieved, and then the workpiece is removed through manual work or a mechanical arm.

In the description of the present invention, it should be understood that the azimuth or positional relationship indicated by the azimuth words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", etc. are generally based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and these azimuth words do not indicate or imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

In the description of the present invention, it is also to be noted that unless explicitly specified and defined otherwise, the meaning of "plurality" means at least two, such as two, three, etc.; the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.

Claims (6)

1. Automatic feeding device for conveyer, its characterized in that includes:

The device comprises a base (1), wherein two side plates (2) which are symmetrical front and back are fixedly arranged on the upper end face of the base (1), a conveying belt (20) is arranged between the two side plates (2), a right side area of the conveying belt (20) is a placing area (3), a left side area of the conveying belt is a limiting area (4), a plurality of baffle plates (5) which are equidistantly distributed are arranged on the conveying belt (20), and a limiting mechanism (6) for limiting a workpiece is arranged between the two side plates (2);

The upper end face of the base (1) is rotatably provided with a disc (7) positioned on the left side of the conveyor belt (20) through a rotating shaft, a limiting unit (8) for limiting workpieces on the disc (7) is arranged on the disc (7), and the upper end face of the disc (7) is respectively provided with a feeding area (9), a processing area (90) and a discharging area (91);

The limiting mechanism (6) comprises movable columns (60), the opposite surfaces of the two side plates (2) are respectively and slidably penetrated by the movable columns (60) with axes extending from front to back, guide plates (61) are fixedly arranged on the opposite surfaces of the two movable columns (60), the two guide plates (61) are symmetrical front and back, the guide plates (61) are sequentially divided into horizontal sections and inclined sections from left to right, the inclined sections of the guide plates (61) incline from left to right to the corresponding side plates (2), a centering group (62) for centering the front and back directions of a workpiece is arranged on the baffle plate (5), and the centering group (62) comprises two centering strips (620) which are symmetrical front and back and are used for keeping the workpiece in a centering state;

The centering group (62) further comprises rectangular grooves (621), two rectangular grooves (621) which are symmetrical front and back are formed in the end face, far away from the conveying belt (20), of the baffle plate (5), sliding grooves (622) are formed in the inner wall, close to the conveying belt (20), of the rectangular grooves (621), sliding blocks (623) are arranged in the sliding grooves (622), rotating shafts with axes extending from bottom to top are arranged on the sliding blocks (623), the rotating shafts are rotationally connected with corresponding centering strips (620), spiral springs (624) are fixedly sleeved on the rotating shafts, the free ends of the spiral springs (624) are fixedly connected with the corresponding sliding blocks (623) through fixing columns, an adjusting group I (64) is arranged on the baffle plate (5), and driving units (65) for driving the corresponding two centering strips (620) are arranged on the rear side plates (2);

The driving unit (65) comprises a rectangular plate (650), wherein the upper end surface of the side plate (2) on the rear side is fixedly provided with a rectangular plate (650), the front end surface of the rectangular plate (650) is provided with a waist-shaped groove (651) and a transverse groove (652), the transverse groove (652) is positioned above the waist-shaped groove (651), a driving block is arranged in the transverse groove (652) in a sliding manner, a sliding block module (653) is arranged in the waist-shaped groove (651) in a sliding manner, the front end surface of the driving block is fixedly provided with a first horizontal strip (654), the first horizontal strip (654) is provided with a lifting column (655) with an axis extending from top to bottom in a sliding manner, the front end surface of the sliding block module (653) is provided with a second horizontal strip (656) in a rotating manner through a circular column, the lifting column (655) is fixedly connected with the second horizontal strip (656), the lower end surface of the lifting column (655) is fixedly provided with a lateral plate (657), the left end surface of the lateral plate (657) is fixedly provided with two front and rear symmetrical driving strips (658), the opposite surfaces of the two driving strips (658) are fixedly provided with thickness of the first horizontal strip (654) and the second horizontal strip (620) are provided with the same thickness (620) and the second horizontal strip (659) is matched with the second horizontal strip (659);

The limiting unit (8) comprises a retention groove (80), a plurality of retention grooves (80) which are circumferentially uniform are formed in the upper end face of the disc (7), a first mounting plate (81) which is in one-to-one correspondence with the retention grooves (80) is fixedly arranged on the upper end face of the disc (7), a second mounting plate (83) which is in central symmetry with the axis of the corresponding retention groove (80) is movably penetrated through the first mounting plate (81), the end face of the corresponding mounting plate (81) is far away from the abutting shaft (82), a second spring (821) which is sleeved on the abutting shaft (82) is fixedly arranged between the abutting plate (820) and the first mounting plate (81), a concave cavity which is in a trapezoid shape in horizontal section is formed in the end face of the corresponding mounting plate (81), the inclined inner wall of the concave cavity is in a stepped shape, a mounting plate group which is in one-to-one correspondence with the retention groove (80) is fixedly arranged on the upper end face of the disc (7), two mounting plates (83) which are in central symmetry with respect to the axis of the corresponding abutting shaft (82) are arranged in the mounting plate group, two right-angle triangular inclined faces (831) are arranged on the two opposite triangular faces (831) which are arranged on the opposite to the movable mounting plates (830), a spring III (832) sleeved on the abutting rod (830) is fixedly arranged between the triangular block (831) and the mounting plate II (83);

The limiting unit (8) further comprises a receiving group (84), the circumferential surface of the disc (7) is provided with accommodating grooves which are in one-to-one correspondence with the detention grooves (80), the accommodating grooves are slidably provided with receiving plates (840), the upper end surfaces of the receiving plates (840) are provided with two symmetrically arranged strip-shaped grooves (841), and the strip-shaped grooves (841) are mutually matched with the corresponding centering strips (620).

2. An automatic feeding device for a conveyor according to claim 1, wherein: the movable column (60) is provided with a plurality of positioning holes (63) which are distributed from front to back at equal intervals and the axes of which extend from top to bottom, a positioning bolt (630) is arranged between the horizontal section of the guide plate (61) and the corresponding side plate (2), and the positioning bolt (630) is in plug-in fit with the corresponding positioning hole (63).

3. An automatic feeding device for a conveyor according to claim 1, wherein: the first adjusting group (64) comprises through holes (640), a plurality of through holes (640) are formed in the striker plate (5), the through holes (640) are communicated with corresponding rectangular grooves (621), placing grooves are formed in the sliding blocks (623), and fixing bolts (641) are inserted between the placing grooves and the corresponding through holes (640).

4. An automatic feeding device for a conveyor according to claim 1, wherein: the second adjusting group (66) comprises a longitudinal groove (660), two longitudinal grooves (660) which are symmetrical front and back are formed in the left end face of the lateral plate (657), longitudinal blocks are mounted in the longitudinal grooves (660) in a sliding mode, the longitudinal blocks are fixedly connected with corresponding driving strips (658), adjusting gears (661) are rotatably arranged on the left end face of the lateral plate (657) through rotating columns, rack plates (662) which are meshed with the adjusting gears (661) are fixedly arranged on the opposite faces of the two driving strips (658), a plurality of matching holes (663) which are evenly distributed in the circumferential direction and extend from left to right in the axis are formed in the adjusting gears (661), and matching bolts (664) with the axes extending from left to right are movably arranged on the lateral plate (657).

5. An automatic feeding device for a conveyor according to claim 1, wherein: the height of the centering strip (620) is greater than that of the corresponding striker plate (5), the driving strip (658) is matched with the corresponding centering strip (620), and the left end face of the lateral plate (657) is fixedly provided with a pushing block (67) for pushing a workpiece into the disc (7) through two connecting blocks distributed front and back.

6. An automatic feeding device for a conveyor according to claim 1, wherein: the utility model discloses a novel rotary disc, including disc (7), the up end of disc (7) is provided with release group (85), release group (85) include center post (850), the up end of base (1) is fixed to be provided with center post (850) that runs through rotation axis and disc (7), and the slip is provided with T shaped plate (851) on center post (850), and the lower terminal surface of the horizontal section of T shaped plate (851) is fixed to be provided with two bilateral symmetry's inclined plate (852), supports the terminal surface fixed waist type piece (853) that are provided with mutually supporting with inclined plate (852) of tight pole (830) and keep away from corresponding triangular piece (831).