CN217454984U - Automatic elbow feeding device - Google Patents

Abstract

The utility model belongs to the field of trousers rack assembly equipment, and relates to an automatic feeding device for bent pipes, which comprises a bent pipe feeding rack, wherein a downslide supporting pipe is arranged on the bent pipe feeding rack, and the downslide supporting pipe is obliquely arranged; the bent pipe feeding rack is also provided with a single-channel vibrating disc, a single-cap automatic pressing-in mechanism and a bent pipe posture aligning and loading mechanism, the single-cap automatic pressing-in mechanism corresponds to the lower sliding support pipe), and the outlet of the single-channel vibrating disc is matched with the single-cap automatic pressing-in mechanism; the bent pipe posture correcting and loading mechanism is correspondingly arranged at the lowest end of the lower sliding support pipe. The utility model discloses realize the smooth material loading of return bend, the process is simple, and material loading efficiency is high.

Description

Automatic elbow feeding device

Technical Field

The utility model relates to a return bend automatic feeding device belongs to trousers frame rigging equipment field.

Background

In the production process of the trousers rack, the plastic rack body, the bent pipe and other accessories can realize automatic forming and blanking. However, the assembly of the plastic frame body and the bent pipe is dependent on manual work to complete the whole assembly task of the trousers rack at present; in the assembly process of the trousers rack, the gap between the bent pipe and the trousers rack body is small and is only 0.1-0.2mm, the bent pipe needs to be accurately aligned, and the bent pipe is difficult to be manually assembled. The plastic cap head needs to be pressed in by a small hammer, the manual assembly difficulty is high, and in the assembly process, the product is easily damaged, and the product quality is affected. The manual assembly operation difficulty is high, the efficiency is extremely low, and the productivity is greatly influenced. The existing device is not suitable for being applied to the elbow feeding process.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the automatic elbow feeding device is provided, the automatic elbow feeding device realizes smooth feeding of elbows, the process is simple, and the feeding efficiency is high.

The utility model discloses an automatic elbow feeding device, which comprises an elbow feeding rack, wherein a downslide supporting tube is arranged on the elbow feeding rack, and the downslide supporting tube is arranged in an inclined manner; the bent pipe feeding rack is also provided with a single-channel vibrating disc, a single-cap automatic pressing-in mechanism and a bent pipe posture correcting and loading mechanism, the single-cap automatic pressing-in mechanism corresponds to the middle part of the downward sliding supporting pipe, and the outlet of the single-channel vibrating disc is matched with the single-cap automatic pressing-in mechanism; the bent pipe posture correcting and loading mechanism is correspondingly arranged at the lowest end of the lower sliding support pipe.

During the working process, the bent pipe to be assembled is hung on the downward sliding supporting pipe, the bent pipe slides from high to low gradually along the obliquely arranged downward sliding supporting pipe until the bent pipe slides to the bent pipe posture, the mechanism is arranged in a righting mode to be assembled with the plastic frame body, the feeding of the bent pipe is completed, and when the bent pipe passes through the single-cap-head automatic pressing-in mechanism in the downward sliding process, the cap head is pressed in at the bottom of the long end of the bent pipe.

Preferably, return bend gesture is put and is just adorned mechanism and is included return bend gesture and put the base, return bend gesture is put and is fixed with the rotation mounting panel on the base, be equipped with gesture revolving cylinder on the rotation mounting panel, gesture revolving cylinder's revolving stage is connected with the return bend gesture and stretches out the cylinder mounting panel, return bend gesture stretches out fixedly connected with return bend gesture is put and is just stretched out the cylinder on the cylinder mounting panel, return bend gesture is put and is stretched out the piston rod of cylinder and connect the one end of return bend gesture swing arm, the other end of return bend gesture swing arm is connected with return bend die clamping cylinder, the last return bend clamping jaw that is connected with of return bend die clamping cylinder. The bent pipe posture correcting base is fixed with the bent pipe feeding frame; in the working process, the posture rotating cylinder drives the elbow posture extending cylinder firstly, the elbow posture swing arm and the elbow clamping jaw turn to the downslide support tube, the elbow clamping cylinder controls the elbow clamping jaw to clamp an elbow on the downslide support tube, then the elbow posture is straightened and the piston rod of the extending cylinder jacks up to drive the elbow clamping jaw and the elbow position to rise, then the posture rotating cylinder rotates to slide the elbow out of the downslide support tube to the position to be assembled, when a mechanism carrying a plastic frame body operates to the position, the bottom of the short end of the elbow is right aligned to the elbow hole of the plastic frame body, at the moment, the piston rod of the elbow posture straightening extending cylinder retracts to drive the short end of the elbow to be inserted into the elbow hole of the plastic frame body, and assembly of the elbow is completed.

Preferably, the rotary mounting plate and the posture rotary cylinder between be equipped with the position control board, be equipped with rectangular hole on the position control board, the position control board passes through the bolt and is fixed with the rotary mounting plate, the posture rotary cylinder is fixed on the position control board. The automatic feeding device for the trousers rack is characterized in that a plurality of bent pipe holes are formed in the plastic rack body, a bent pipe needs to be correspondingly inserted into each bent pipe hole, the number of the bent pipe holes in the whole assembly line of the trousers rack is matched with that of the bent pipe holes in the plastic rack body according to the number of the set bent pipe automatic feeding devices, therefore, each bent pipe automatic feeding device corresponds to the bent pipe holes in different positions, the position where the posture rotating cylinder is fixed needs to be actually adjusted according to the field installation condition, and the adjustment process is mainly realized by changing and adjusting the installation positions of the long strip holes in the position adjusting plate and the rotating installation plate.

Preferably, an elbow guide backup plate is fixed on one side of the rotary mounting plate. The setting of return bend direction backup plate is its guide effect when the return bend moves to gliding stay tube minimum and waits to be carried the material loading, guarantees that the return bend can accurately move to waiting to centre gripping material loading station department.

Preferably, the bent pipe posture correcting and loading mechanism comprises a vibration mounting unit and a correcting and isolating mechanism, and the correcting and isolating mechanism is mounted on the bent pipe feeding rack above the lowest end of the lower sliding support pipe; the vibration installation unit comprises a vibration installation base, the vibration installation base is fixed with the bent pipe feeding frame, the vibration installation base is fixed with one end of the straightening vibration installation plate, the other end of the straightening vibration installation plate is fixedly connected with a vibration installation clamp grabbing cylinder, the vibration installation clamp grabbing cylinder is connected with two vibration installation guide clamps, one end of the vibration installation guide clamps, which is fixed with the vibration installation clamp grabbing cylinder, is higher than the other end of the vibration installation guide clamps, the two vibration installation guide clamps form a horn-shaped clamp grabbing opening, and the horn-shaped clamp grabbing opening corresponds to the lower end of the lower sliding support pipe; the vibration setting plate is provided with a vibrator. The straightening isolation mechanism comprises a third isolation extension cylinder and a fourth isolation extension cylinder which are fixed with the bent pipe feeding frame, piston rods of the third isolation extension cylinder and the fourth isolation extension cylinder are respectively connected with a straightening isolation plate, the bottom end of the straightening isolation plate is provided with an isolation arc groove, and the diameter of the isolation arc groove is matched with the diameter of the gliding support pipe. In the concrete working process, the horn type presss from both sides the mouth of grabbing corresponds the return bend short-end tip of gliding stay tube least significant end, the division board of just putting of the isolator mechanism of putting isolates a return bend of gliding stay tube least significant end out, the division board of just putting that is close to gliding stay tube least significant end afterwards is lifted, the return bend short-end tip falls into the horn type and presss from both sides the mouth of grabbing, it presss from both sides the vibration to grab vibration along with the vibrator drives the vibration mounting panel of just putting and vibration installation direction, the return bend falls into the horn type gradually and presss from both sides the circular guide way of grabbing mouthful below, circular guide way aligns with the return bend pore of plastics support body, and because the vibration installation direction presss from both sides the high rear end of grabbing front end low, under the effect of vibrator, the steel pipe is automatic to slide down and the gesture is ajusted forward. Piston rods of the third isolation extension cylinder and the fourth isolation extension cylinder are alternately lifted and fall down, and a bent pipe is controlled to be isolated between the two straightening isolation plates.

Preferably, the automatic mechanism one side of impressing of single cap head that is close to gliding stay tube high-end add and press cap isolating mechanism, press cap isolating mechanism include with gliding stay tube top return bend feed frame fixed isolation mounting panel, keep apart the mounting panel bottom surface and be fixed with keep apart stretch out cylinder one and keep apart stretch out cylinder two, keep apart the piston rod that stretch out cylinder one and keep apart stretch out cylinder two and be connected with a pressure cap division board respectively, pressure cap division board bottom is equipped with the isolation arc groove, keep apart arc groove diameter size and gliding stay tube diameter size and cooperate. The distance between the two pressure cap isolation plates connected with the isolation extension cylinder I and the isolation extension cylinder II is matched with the diameter of the bent pipe. The arrangement of the cap pressing isolation mechanism ensures that the situation that the bent pipe is pushed and extruded cannot occur at the position of the single-cap automatic pressing mechanism, and only one bent pipe is arranged on the downward sliding supporting pipe between the single-cap automatic pressing mechanism and the cap pressing isolation mechanism; when the device works, a piston rod of a first isolation extension cylinder close to the single-cap-head automatic press-in mechanism ejects out a corresponding press cap isolation plate to prevent a bent pipe from continuously sliding downwards, then a piston rod of a second isolation extension cylinder ejects out a corresponding press cap isolation plate, at the moment, a bent pipe is isolated from the two press cap isolation plates, according to signal feedback of a detection switch, a control unit then controls a piston rod of the first isolation extension cylinder to retract, the bent pipe which is just isolated enters a space between the single-cap-head automatic press-in mechanism and the press cap isolation mechanism to wait for a pressed cap, then the control unit then controls a piston rod of the first isolation extension cylinder to extend out again, a piston rod of the second isolation extension cylinder retracts to wait for a next bent pipe to be close to the press cap isolation plate connected with the piston rod of the first isolation extension cylinder, and isolation of the next bent pipe is carried out.

Preferably, the single-cap automatic press-in mechanism comprises a single-cap press-in upper pressing unit and a single-cap press-in lower ejection unit, and the single-cap press-in upper pressing unit and the single-cap press-in lower ejection unit are respectively arranged on the bent pipe feeding rack above and below the lower sliding support pipe; the single-cap-head pressing-in upper pressing unit comprises a pressing-in blocking cylinder mounting plate, the pressing-in blocking cylinder mounting plate is fixed with a bent pipe feeding frame above the lower sliding support pipe, a single-cap-head pressing-in blocking cylinder is installed below the pressing-in blocking cylinder mounting plate, a piston rod of the single-cap-head pressing-in blocking cylinder is connected with a bent pipe blocking plate, and an arc positioning groove is formed in the bottom surface of the bent pipe blocking plate. The position, corresponding to the single cap head press-in upper compression unit, of the elbow feeding rack is provided with a detection switch, the detection switch detects an elbow signal, the single cap head press-in blocking cylinder extends the piston rod, the piston rod extends to drive the arc positioning groove of the elbow blocking plate to be clamped at the top end of the elbow, and then the single cap head press-in lower ejection unit ejects the cap head out to be sleeved at the long end part of the elbow.

Preferably, the single-cap press-in and lower-ejection unit comprises a single-cap press-in base plate, and the single-cap press-in base plate is fixed with the bent pipe feeding rack below the lower sliding support pipe; be equipped with return bend centre gripping cylinder on the single cap head base plate of impressing, return bend centre gripping cylinder is connected with return bend direction centre gripping clamping jaw, return bend direction centre gripping clamping jaw below is equipped with single cap head centre gripping fixed plate, single cap head centre gripping fixed plate top is equipped with single cap head centre gripping cylinder, single cap head centre gripping cylinder is connected with single cap head and presss from both sides and grabs, single cap head presss from both sides and grabs with return bend direction centre gripping clamping jaw and align, single cap head base plate lower fixed surface of impressing has single cap head vertical cylinder of impressing, the piston rod of single cap head vertical cylinder of impressing runs through behind the single cap head base plate of impressing and is connected fixedly with single cap head centre gripping fixed plate. The clamping surface of the elbow guide clamping jaw opposite to the single-cap clamp is provided with an elbow clamping and positioning arc surface; the outlet of the single-channel vibrating disk is fixed on one side of the single-cap-head clamp, the outlet of the single-channel vibrating disk is over against the position between the two single-cap-head clamps, a gap is reserved between the outlet of the single-channel vibrating disk and the single-cap-head clamp, and the back-and-forth movement of the single-cap-head clamp cannot be influenced by the outlet of the single-channel vibrating disk; when the detection switch detects that a bent pipe signal exists, the bent pipe blocking plate presses the top of the bent pipe, meanwhile, the bent pipe guiding clamping jaw clamps and fixes the middle of the long end of the bent pipe, the single-cap-head clamp clamps and fixes one cap head, then the single cap head is pressed into the vertical cylinder piston rod to extend out, the single-cap-head clamping fixing plate, the single-cap-head clamping cylinder and the fixed cap head are simultaneously jacked up, and the cap head is sleeved at the end part of the long end of the bent pipe.

Preferably, the single-cap press-in base plate is provided with a single-cap press-in guide shaft, the bottom end of the single-cap press-in guide shaft is fixed with the single-cap press-in base plate, and the upper part of the single-cap press-in guide shaft penetrates through the single-cap clamping fixing plate. The single-cap-head pressing-in guide shaft plays a role in guiding the single-cap-head clamping fixing plate in the up-and-down movement process, effectively avoids the dislocation of the cap head and the bent pipe, and can enable the cap head and the bent pipe to be accurately matched and installed.

Compared with the prior art, the utility model beneficial effect who has is:

the utility model has the advantages of reasonable design, realize the smooth material loading of return bend, the process is simple, and material loading efficiency is high, and the material loading is accurate, and the cap head of return bend long-end tip also can realize the accuracy and impress.

Drawings

FIG. 1 is a schematic structural view of an automatic elbow feeding device;

FIG. 2 is a schematic view of a bent pipe posture correcting and loading mechanism (scheme one structure);

FIG. 3 is a schematic view of a single-cap pressing-in upper pressing unit;

FIG. 4 is a schematic view of a single-cap push-in and push-down unit;

FIG. 5 is a schematic view of the elbow attitude correction loading mechanism (scheme two);

FIG. 6 is a schematic view of a vibration mounted guided collet construction;

FIG. 7 is a schematic view of the press cap isolation mechanism;

FIG. 8 is an operational view of the single-headed automatic press-in mechanism;

fig. 9 is a working schematic diagram of the bent pipe posture correcting and loading mechanism of the second scheme.

In the figure: 1. a bent pipe feeding rack; 2. a gliding support pipe; 3. a single pass vibrating disk; 8. a limit baffle; 9. bending the pipe;

4. a cap pressing isolation mechanism; 41. isolating the mounting plate; 42. isolating the first stretching cylinder; 43. isolating the second stretching cylinder; 44. Pressing the cap isolation plate;

5. the single cap head is pressed into the upper pressing unit; 51. pressing in a blocking cylinder mounting plate; 52. the single cap head is pressed into the blocking cylinder; 53. An arc positioning groove; 54. a bent pipe blocking plate;

6. the single cap head is pressed into the lower ejection unit; 61. the single cap head is pressed into the base plate; 62. a bent pipe clamping cylinder; 63. the single cap head is pressed into the vertical cylinder; 64. the fixing plate is clamped by the single-cap head; 65. the single cap head is pressed into the guide shaft; 66. a single-cap clamping cylinder; 67. clamping by a single-cap head; 68. clamping and positioning the arc surface by the bent pipe; 69. the bent pipe is guided to the clamping jaw;

7. the bent pipe posture is put into the mechanism; 71. the posture of the bent pipe is adjusted to the base; 72. rotating the mounting plate; 73. a position adjusting plate; 74. a pipe bending clamping jaw; 75. a bent pipe clamping cylinder; 76. a bent pipe posture swing arm; 77. the bent pipe is righted and extends out of the cylinder; 78. the bent pipe extends out of the cylinder mounting plate; 79. an attitude rotation cylinder; 710. the bent pipe is guided to the backup plate; 711. a strip hole; 712. a vibration mounting base; 713. a vibrator; 714. aligning the vibrating mounting plate; 715. a clamping cylinder is installed in a vibrating mode; 716. a horn-shaped clamping opening; 717. installing a guide clamp in a vibration mode; 718. aligning the isolation plate; 719. isolating a third stretching cylinder; 720. and isolating the extension cylinder IV.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

referring to fig. 1 to 9, the automatic elbow feeding device of the present invention includes an elbow feeding frame 1, wherein a lower sliding support tube 2 is disposed on the elbow feeding frame 1, and the lower sliding support tube 2 is disposed in an inclined manner; the bent pipe feeding frame 1 is also provided with a single-channel vibrating disc 3, a single-cap automatic pressing-in mechanism and a bent pipe posture correcting and loading mechanism 7, the single-cap automatic pressing-in mechanism corresponds to the middle part of the lower sliding support pipe 2, and the outlet of the single-channel vibrating disc 3 is matched with the single-cap automatic pressing-in mechanism; the bent pipe posture correcting and loading mechanism 7 is correspondingly arranged at the lowest end of the downward sliding supporting pipe 2.

In this embodiment:

the bent pipe posture adjusting and loading mechanism 7 has two schemes:

the first scheme of the bent pipe posture aligning and installing mechanism 7 is that the bent pipe posture aligning and installing mechanism 7 comprises a bent pipe posture aligning base 71, a rotary mounting plate 72 is fixed on the bent pipe posture aligning base 71, a posture rotary cylinder 79 is arranged on the rotary mounting plate 72, a bent pipe posture extending cylinder mounting plate 78 is connected to a rotary table of the posture rotary cylinder 79, a bent pipe posture aligning and extending cylinder 77 is fixedly connected to the bent pipe posture extending cylinder mounting plate 78, a piston rod of the bent pipe posture aligning and extending cylinder 77 is connected with one end of a bent pipe posture swing arm 76, the other end of the bent pipe posture swing arm 76 is connected with a bent pipe clamping cylinder 75, and a bent pipe clamping jaw 74 is connected to the bent pipe clamping cylinder 75. The bent pipe posture correcting base 71 is fixed with the bent pipe feeding frame 1; in the working process, the posture rotating cylinder 79 firstly drives the elbow posture extending cylinder, the elbow posture swing arm 76 and the elbow clamping jaw 74 to rotate to the lower sliding support tube 2, the elbow clamping cylinder 75 controls the elbow clamping jaw 74 to clamp an elbow 9 on the lower sliding support tube 2, then the elbow posture is adjusted to be in a positive state and the piston rod of the extending cylinder 77 jacks up to drive the elbow clamping jaw 74 and the elbow 9 to rise, then the posture rotating cylinder 79 rotates to slide the elbow out of the lower sliding support tube 2 to the position to be assembled, when the mechanism carrying the plastic frame body operates to the position, the bottom of the short end of the elbow 9 is opposite to the elbow hole of the plastic frame body, at the moment, the piston rod of the elbow posture adjusting extending cylinder 77 retracts to drive the short end of the elbow to be inserted into the elbow hole of the plastic frame body, and the assembly of the elbow is completed. The lowest end of the gliding support pipe 2 is provided with a limit baffle 8 to prevent the elbow from deviating from the gliding support pipe 2.

A position adjusting plate 73 is arranged between the rotary mounting plate 72 and the posture rotary cylinder 79, a long hole 711 is arranged on the position adjusting plate 73, the position adjusting plate 73 is fixed with the rotary mounting plate 72 through a bolt, and the posture rotary cylinder 79 is fixed on the position adjusting plate 73. A plurality of bent pipe holes are formed in the plastic rack body, a bent pipe needs to be correspondingly inserted into each bent pipe hole, the number of the bent pipe holes in the plastic rack body is matched with that of the bent pipe automatic feeding devices arranged on the whole assembly line of the trousers rack, and therefore each bent pipe automatic feeding device corresponds to the bent pipe holes in different positions, the position where the posture rotating cylinder 79 is fixed needs to be actually adjusted in a field installation condition, and the adjustment process is mainly realized by changing and adjusting the installation positions of the long holes 711 in the position adjusting plate 73 and the rotating installation plate 72.

An elbow guide backup plate 710 is fixed to one side of the swivel mounting plate 72. The elbow guide backup plate 710 plays a guiding role when the elbow moves to the lowest end of the lower sliding support tube 2 to wait for being clamped and fed, and ensures that the elbow can accurately move to a feeding station to be clamped.

The bent pipe posture correcting and loading mechanism 7 has the second scheme, the bent pipe posture correcting and loading mechanism 7 comprises a vibration mounting unit and a correcting and isolating mechanism, and the correcting and isolating mechanism is mounted on the bent pipe feeding rack 1 above the lowest end of the lower sliding support pipe 2; the vibration installation unit comprises a vibration installation base 712, the vibration installation base 712 is fixed with the bent pipe feeding frame 1, the vibration installation base 712 is fixed with one end of a straightening vibration installation plate 714, the other end of the straightening vibration installation plate 714 is fixedly connected with a vibration installation clamp grabbing cylinder 715, the vibration installation clamp grabbing cylinder 715 is connected with two vibration installation guide clamps grabbing 717, one end of the vibration installation guide clamps grabbing 717, which is fixed with the vibration installation clamp grabbing cylinder 715, is higher than the other end of the vibration installation guide clamps grabbing 717, the two vibration installation guide clamps grabbing 717 form a horn-shaped clamp grabbing opening 716, and the horn-shaped clamp grabbing opening 716 corresponds to the lower end of the lower sliding support pipe 2; the yaw vibration mounting plate 714 has a vibrator 713 mounted thereon. The straightening isolation mechanism comprises an isolation extension cylinder three 719 and an isolation extension cylinder four 720 which are fixed with the elbow feeding rack 1, piston rods of the isolation extension cylinder three 719 and the isolation extension cylinder four 720 are respectively connected with a straightening isolation plate 718, the bottom end of the straightening isolation plate 718 is provided with an isolation arc groove, and the diameter of the isolation arc groove is matched with the diameter of the lower sliding support pipe 2. In the specific working process, the horn-shaped clamping and grabbing opening 716 corresponds to the short end part of one elbow pipe at the lowest end of the lower sliding support pipe 2, two straightening isolation plates 718 of a straightening isolation mechanism isolate one elbow pipe at the lowest end of the lower sliding support pipe 2, then the straightening isolation plate 718 close to the lowest end of the lower sliding support pipe 2 is lifted up, the short end part of the elbow pipe falls into the horn-shaped clamping and grabbing opening 716, the straightening vibration mounting plate 714 and the vibration mounting guide clamp are driven by the vibrator 713 to vibrate, the elbow pipe gradually falls into a circular guide groove below the horn-shaped clamping and grabbing opening 716, the circular guide groove is aligned with an elbow hole of a plastic frame body, and due to the fact that the front end of the vibration mounting guide clamp grabs 717 is high and the rear end of the vibration mounting guide clamp is low, under the effect of the vibrator 713, the steel pipe automatically slides down and the posture is straightened forward. The piston rods of the three isolation extension cylinders 719 and the four isolation extension cylinders 720 are alternately lifted and dropped, and a bent pipe is controlled to be isolated between the two alignment isolation plates 718.

The automatic mechanism one side of impressing of single cap head that is close to 2 high-ends of gliding stay tube adds and presses cap isolator mechanism 4, press cap isolator mechanism 4 to include with 2 top return bend loading frame 1 fixed isolation mounting panels 41 of gliding stay tube, it is fixed with to keep apart that stretch out cylinder 42 and keep apart stretch out cylinder two 43 to keep apart mounting panels 41 bottom surfaces, the piston rod of keeping apart stretch out cylinder 42 and keeping apart stretch out cylinder two 43 is connected with one respectively and presses cap division board 44, it is equipped with the isolation arc groove to press cap division board 44 bottom, it cooperatees with 2 diameter sizes of gliding stay tube to keep apart arc groove diameter size. The distance between the two pressing cap isolation plates 44 connected with the first isolation extension cylinder 42 and the second isolation extension cylinder 43 is matched with the diameter of the elbow. The arrangement of the cap pressing isolation mechanism 4 ensures that the situation that the bent pipe is pushed and extruded at the position of the single-cap automatic pressing mechanism can not occur, and only one bent pipe is arranged on the gliding support pipe 2 between the single-cap automatic pressing mechanism and the cap pressing isolation mechanism 4; when the device works, a piston rod of a first isolation extending cylinder 42 close to the single-cap-head automatic press-in mechanism ejects out a corresponding press cap isolation plate 44 to prevent the bent pipe from continuously sliding downwards, then a piston rod of a second isolation extending cylinder 43 ejects out the corresponding press cap isolation plate 44, at the moment, a bent pipe is isolated from the two press cap isolation plates 44, according to signal feedback of a detection switch, a control unit then controls the piston rod of the first isolation extending cylinder 42 to retract, the bent pipe which is just isolated enters a space between the single-cap-head automatic press-in mechanism and the press cap isolation mechanism 4 to wait for being pressed, then the control unit then controls the piston rod of the first isolation extending cylinder 42 to extend out again, the piston rod of the second isolation extending cylinder 43 retracts to wait for the next bent pipe to be close to the press cap isolation plate 44 connected with the piston rod of the first isolation extending cylinder 42, and then the next bent pipe is isolated.

The single-cap automatic pressing mechanism comprises a single-cap pressing-in upper pressing unit 5 and a single-cap pressing-in lower ejection unit 6, and the single-cap pressing-in upper pressing unit 5 and the single-cap pressing-in lower ejection unit 6 are respectively arranged on the bent pipe feeding rack 1 above and below the lower sliding support pipe 2; the single-cap-head pressing-in upper pressing unit 5 comprises a pressing-in blocking cylinder mounting plate 51, the pressing-in blocking cylinder mounting plate 51 is fixed with the elbow feeding frame 1 above the lower sliding support pipe 2, a single-cap-head pressing-in blocking cylinder 52 is mounted below the pressing-in blocking cylinder mounting plate 51, a piston rod of the single-cap-head pressing-in blocking cylinder 52 is connected with an elbow blocking plate 54, and an arc positioning groove 53 is formed in the bottom surface of the elbow blocking plate 54. The elbow feeding machine frame 1 is provided with a detection switch corresponding to the position of the single-cap pressing-in upper pressing unit 5, the detection switch detects an elbow signal, the single-cap pressing-in blocking cylinder 52 extends the piston rod, the piston rod extends out to drive the arc positioning groove 53 of the elbow blocking plate 54 to be clamped at the top end of the elbow, and then the single-cap pressing-in lower ejection unit 6 ejects the cap at the long end of the elbow.

The single-cap pressing-in and downward-ejecting unit 6 comprises a single-cap pressing-in base plate 61, and the single-cap pressing-in base plate 61 is fixed with the elbow feeding rack 1 below the downward-sliding supporting tube 2; be equipped with return bend centre gripping cylinder 62 on the single cap base plate 61 of impressing, return bend centre gripping cylinder 62 is connected with return bend direction centre gripping clamping jaw 69, return bend direction centre gripping clamping jaw 69 below is equipped with single cap centre gripping fixed plate 64, single cap centre gripping fixed plate 64 top is equipped with single cap centre gripping cylinder 66, single cap centre gripping cylinder 66 is connected with single cap centre gripping 67, single cap centre gripping 67 is aligned with return bend direction centre gripping clamping jaw 69, single cap base plate 61 lower fixed surface that impresses has single cap vertical cylinder 63 of impressing, single cap piston rod of the vertical cylinder 63 of impressing runs through behind the single cap base plate 61 of impressing and is connected fixedly with single cap centre gripping fixed plate 64. A bent pipe clamping positioning arc surface 68 is arranged on the clamping surface of the bent pipe guiding clamping jaw 69 opposite to the single-cap head clamping jaw 67; the outlet of the single vibration disc 3 is fixed on one side of the single-cap-head clamp 67, the outlet of the single vibration disc 3 is over against the position between the two single-cap-head clamps 67, a gap is reserved between the outlet of the single vibration disc 3 and the single-cap-head clamp 67, and the back-and-forth movement of the single-cap-head clamp 67 cannot be influenced by the outlet of the single vibration disc 3; when the detection switch detects that a bent pipe signal exists, the bent pipe blocking plate 54 presses the top of the bent pipe, meanwhile, the bent pipe guiding clamping jaw 69 clamps and fixes the middle of the long end of the bent pipe, the single-cap-head clamping jaw 67 clamps and fixes a cap head, then the single-cap-head is pressed into the vertical cylinder 63, the piston rod extends out, the single-cap-head clamping fixing plate 64, the single-cap-head clamping cylinder 66 and the fixed cap head are simultaneously jacked up, and the cap head is sleeved on the end part of the long end of the bent pipe.

The single-cap press-in base plate 61 is provided with a single-cap press-in guide shaft 65, the bottom end of the single-cap press-in guide shaft 65 is fixed with the single-cap press-in base plate 61, and the upper part of the single-cap press-in guide shaft 65 penetrates through the single-cap clamping fixing plate 64. The single-cap-head pressing-in guide shaft 65 plays a role in guiding the single-cap-head clamping fixing plate 64 in the up-and-down movement process, effectively avoids the dislocation of the cap head and the elbow, and can enable the cap head and the elbow to be accurately installed in a matched mode.

In the working process, a bent pipe to be assembled is hung on the downward sliding supporting pipe 2, the bent pipe slides gradually from high to low along the downward sliding supporting pipe 2 which is arranged obliquely until the bent pipe slides to the bent pipe posture, the bent pipe is placed in the loading mechanism 7 to be assembled with the plastic frame body, the feeding of the bent pipe is completed, and when the bent pipe passes through the single-cap-head automatic pressing-in mechanism in the downward sliding process, the cap head is pressed into the bottom of the long end of the bent pipe.

Claims (9)

1. The utility model provides a return bend automatic feeding device which characterized in that: the elbow feeding rack comprises an elbow feeding rack (1), wherein a lower sliding supporting pipe (2) is arranged on the elbow feeding rack (1), and the lower sliding supporting pipe (2) is obliquely arranged; the bent pipe feeding rack (1) is also provided with a single-channel vibrating disc (3), a single-cap automatic pressing-in mechanism and a bent pipe posture correcting and loading mechanism (7), the single-cap automatic pressing-in mechanism corresponds to the middle part of the lower sliding support pipe (2), and the outlet of the single-channel vibrating disc (3) is matched with the single-cap automatic pressing-in mechanism; the bent pipe posture correcting and loading mechanism (7) is correspondingly arranged at the lowest end of the lower sliding support pipe (2).

2. The automatic elbow feeding device according to claim 1, characterized in that: the elbow posture straightening and loading mechanism (7) comprises an elbow posture straightening base (71), a rotary mounting plate (72) is fixed on the elbow posture straightening base (71), a posture rotary cylinder (79) is arranged on the rotary mounting plate (72), a rotary table of the posture rotary cylinder (79) is connected with an elbow posture stretching cylinder mounting plate (78), an elbow posture stretching cylinder (77) is fixedly connected on the elbow posture stretching cylinder mounting plate (78), a piston rod of the elbow posture straightening stretching cylinder (77) is connected with one end of an elbow posture swing arm (76), the other end of the elbow posture swing arm (76) is connected with an elbow clamping cylinder (75), and an elbow clamping jaw (74) is connected on the elbow clamping cylinder (75).

3. The automatic elbow feeding device according to claim 2, characterized in that: a position adjusting plate (73) is arranged between the rotary mounting plate (72) and the posture rotary cylinder (79), a long hole (711) is formed in the position adjusting plate (73), the position adjusting plate (73) is fixed with the rotary mounting plate (72) through a bolt, and the posture rotary cylinder (79) is fixed on the position adjusting plate (73).

4. The automatic elbow pipe feeding device according to claim 2 or 3, wherein: an elbow guide backup plate (710) is fixed on one side of the rotary mounting plate (72).

5. The automatic elbow feeding device according to claim 1, characterized in that: the bent pipe posture aligning and loading mechanism (7) comprises a vibration installation unit and an aligning and isolating mechanism, and the aligning and isolating mechanism is installed on the bent pipe feeding rack (1) above the lowest end of the lower sliding support pipe (2); the vibration installation unit comprises a vibration installation base (712), the vibration installation base (712) is fixed with the elbow feeding rack (1), the vibration installation base (712) is fixed with one end of a straightening vibration installation plate (714), the other end of the straightening vibration installation plate (714) is fixedly connected with a vibration installation clamp grabbing cylinder (715), the vibration installation clamp grabbing cylinder (715) is connected with two vibration installation guide clamps (717), one end of the vibration installation guide clamp grabbing (717) fixed with the vibration installation clamp grabbing cylinder (715) is higher than the other end of the vibration installation guide clamps (717), the two vibration installation guide clamps grabbing (717) form a horn-shaped clamp grabbing opening (716), and the horn-shaped clamp grabbing opening (716) corresponds to the lower end of the lower sliding support tube (2); the vibrator (713) is arranged on the swing vibration mounting plate (714).

6. The automatic elbow feeding device according to claim 1, characterized in that: the automatic mechanism one side of impressing of single cap head that is close to gliding stay tube (2) high-end adds and presses cap isolating mechanism (4), press cap isolating mechanism (4) include with gliding stay tube (2) top return bend material loading frame (1) fixed isolation mounting panel (41), keep apart mounting panel (41) bottom surface and be fixed with keep apart and stretch out cylinder (42) and keep apart and stretch out cylinder two (43), keep apart the piston rod that stretches out cylinder (42) and keep apart and stretch out cylinder two (43) and be connected with one respectively and press cap division board (44), press cap division board (44) bottom to be equipped with and keep apart the arc groove, keep apart the arc groove diameter size and cooperate with gliding stay tube (2) diameter size.

7. The automatic elbow feeding device according to claim 1, characterized in that: the single-cap automatic pressing mechanism comprises a single-cap pressing-in upper pressing unit (5) and a single-cap pressing-in lower ejection unit (6), and the single-cap pressing-in upper pressing unit (5) and the single-cap pressing-in lower ejection unit (6) are respectively arranged on the bent pipe feeding rack (1) above and below the lower sliding supporting pipe (2); the single-cap-head pressing-in upper pressing unit (5) comprises a pressing-in blocking cylinder mounting plate (51), the pressing-in blocking cylinder mounting plate (51) is fixed with a bent pipe feeding rack (1) above the lower sliding support pipe (2), the pressing-in blocking cylinder mounting plate (51) is provided with a single-cap-head pressing-in blocking cylinder (52) below, a piston rod of the single-cap-head pressing-in blocking cylinder (52) is connected with a bent pipe blocking plate (54), and the bottom surface of the bent pipe blocking plate (54) is provided with an arc positioning groove (53).

8. The automatic elbow feeding device according to claim 7, wherein: the single-cap pressing-in and downward-ejecting unit (6) comprises a single-cap pressing-in base plate (61), and the single-cap pressing-in base plate (61) is fixed with the elbow feeding rack (1) below the downward-sliding supporting tube (2); be equipped with return bend centre gripping cylinder (62) on single cap base plate (61) of impressing, return bend centre gripping cylinder (62) are connected with return bend direction centre gripping clamping jaw (69), return bend direction centre gripping clamping jaw (69) below is equipped with single cap centre gripping fixed plate (64), single cap centre gripping fixed plate (64) top is equipped with single cap centre gripping cylinder (66), single cap centre gripping cylinder (66) are connected with single cap clamp and grab (67), single cap clamp grab (67) and return bend direction centre gripping clamping jaw (69) are aligned, single cap base plate (61) lower fixed surface of impressing has single cap vertical cylinder (63) of impressing, the piston rod of single cap vertical cylinder (63) of impressing runs through single cap base plate (61) back and is connected fixedly with single cap centre gripping fixed plate (64).

9. The automatic elbow feeding device according to claim 8, wherein: the single-cap press-in base plate (61) is provided with a single-cap press-in guide shaft (65), the bottom end of the single-cap press-in guide shaft (65) is fixed with the single-cap press-in base plate (61), and the upper part of the single-cap press-in guide shaft (65) penetrates through the single-cap clamping fixing plate (64).

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