CN215313445U - Automatic pipe fitting feeding and spraying equipment - Google Patents

Abstract

The utility model discloses automatic pipe fitting feeding and spraying equipment which comprises a pipe fitting conveying chain, an electrostatic plastic spraying chamber and a baking and curing chamber, wherein the pipe fitting conveying chain penetrates through the electrostatic plastic spraying chamber and the baking and curing chamber, the pipe fitting conveying chain comprises at least two conveying shafts which are driven by a main power machine and are horizontally arranged, conveying chain wheels are arranged on the conveying shafts, conveying chains are arranged on the conveying chain wheels, a plurality of pipe fitting suspension plates which are vertically arranged and arranged at intervals are arranged on the side parts of chain plates of the conveying chains, at least one supporting rod which extends outwards and can be inserted into a pipe fitting to be sprayed is arranged on each pipe fitting suspension plate, and an automatic feeding machine capable of automatically inserting the pipe fitting on the supporting rod is arranged on one side of the front end of the pipe fitting conveying chain. The utility model has the advantages of simple structure and improvement of the plastic spraying efficiency and the plastic spraying quality of the pipe fittings in batches.

Description

Automatic pipe fitting feeding and spraying equipment

Technical Field

The utility model relates to automatic spraying equipment, in particular to spraying equipment for automatically feeding pipes.

Background

When the pipe fitting is sprayed, a separate suspension part is needed to suspend the pipe fitting for spraying, namely, a transmission structure of a suspension chain is adopted. However, in the spraying process of some thin-wall pipe fittings, the suspension clamp is difficult to design, and the slipping problem in the spraying process is easy to occur. In the front part of spraying, a large amount of workers are required to continuously suspend the pipe fittings one by one, and the labor intensity is high and the labor efficiency is low.

Disclosure of Invention

The utility model aims to provide automatic feeding and spraying equipment for pipes, which changes the original suspension type spraying mode, can realize automatic feeding and prevent the pipe from slipping in the spraying process.

In order to solve the technical problem, the utility model provides automatic pipe feeding and spraying equipment with the following structure, which comprises a pipe conveying chain, an electrostatic plastic spraying chamber and a baking and curing chamber, wherein the pipe conveying chain penetrates through the electrostatic plastic spraying chamber and the baking and curing chamber, and the automatic pipe feeding and spraying equipment is structurally characterized in that: the pipe fitting conveying chain comprises at least two conveying shafts which are driven by a main power machine and horizontally arranged, conveying chain wheels are arranged on the conveying shafts, conveying chains are arranged on the conveying chain wheels, a plurality of vertically arranged pipe fitting suspension plates which are arranged at intervals are arranged on the side portions of chain plates of the conveying chains, at least one supporting rod which extends outwards and can be inserted into a pipe fitting to be sprayed is arranged on each pipe fitting suspension plate, and an automatic feeding machine capable of automatically inserting the pipe fitting on the supporting rod is arranged on one side of the front end of the pipe fitting conveying chain.

The automatic feeding machine comprises a feeding rack, a feeding box is arranged on the feeding rack, the feeding box is provided with a supporting rack which is arranged in a front-back inclined mode and can support a plurality of pipe fittings, a discharging port which only allows one pipe fitting to stretch out is formed in the side wall, close to the conveying chain, of the feeding box, the discharging port is located at the bottommost part of the supporting rack, the discharging port highly corresponds to the supporting rod, a pushing rod which slides transversely is arranged on the feeding rack, and the pushing rod can push the pipe fittings on the supporting rack out of the discharging port and is inserted into the supporting rod under the driving of the power of the pushing cylinder.

And the feeding rack is provided with a pipe guiding device which is used for guiding the pipe to be inserted and sleeved on the supporting rod.

The pipe fitting guiding device comprises a guide groove plate connected to the feeding rack, guide grooves which are horizontally arranged and transversely extend are formed in the guide groove plate, horn openings are formed in the two transverse ends of each guide groove, the guide grooves at the front ends of the guide groove plate are slotted holes which are through from front to back, a supporting rod in-place detector used for detecting the supporting rods is connected to the guide groove plate, and an electromagnetic absorber used for adsorbing a pipe fitting to enable the pipe fitting to be tightly attached to the guide grooves is further connected to the guide groove plate.

The pipe fitting hanging plate is connected with a plurality of vertically arranged support rods, the feeding box is arranged in a plurality of vertical intervals, and the feeding rack is connected with an automatic feeding device which can respectively assemble pipe fittings into the feeding box.

Automatic feedway includes the feed case of vertical sliding connection in the material loading frame, be equipped with the feed cylinder that orders about the feed case and slide on the material loading frame, be equipped with the feed clearance between the inboard of feed case and the material loading frame, it connects the high-end wall uncovered setting that holds in the palm the work or material rest to go up the material loading frame, vertical sliding connection has the feed board of vertical sliding in the self-feeding clearance in the material loading frame, be connected with in the material loading frame and order about the feed board cylinder that pushes away that slides, can push up the pipe fitting in the feed case when the feed board upwards slides.

The indoor spraying plastics chain bracket that is equipped with bearing conveying chain of static spraying plastics, the static spraying plastics room includes the spraying plastics room body, is equipped with the mouth that passes through that supplies conveying chain to pass through on the front and back end wall of the spraying plastics room body, be connected with on the lateral wall of the spraying plastics room body and stretch into the spraying plastics rifle that the spraying plastics was just carried out the spraying plastics to the pipe fitting in the spraying plastics room body, be connected with the dust exhaust pipe on the diapire of the spraying plastics room body, be connected with the powder on another lateral wall of the spraying plastics room body and retrieve the machine, the air-supply line and the dust exhaust union coupling of powder recovery machine.

The side wall of the plastic spraying chamber body is connected with plastic spraying supports which are driven by power of a plastic spraying power machine to slide transversely, the plastic spraying supports are arranged in an up-and-down symmetrical mode, the two plastic spraying supports are located above and below the same section of conveying chain respectively when the plastic spraying supports slide and extend into the plastic spraying chamber body, the plastic spraying guns are connected to the inner extending ends of the plastic spraying supports, and powder spraying openings of the two plastic spraying guns are arranged oppositely.

The baking and curing chamber is internally provided with a baking chain bracket for supporting the conveying chain, the baking and curing chamber is divided into a baking section and a curing section from front to back, and the baking section is provided with a hot air supply pipe and a hot air discharge pipe.

Toast the horizontal slope setting of chain bracket and enable the pipe fitting of suit on the die-pin and extend the end upwards slope gradually from the insertion end, toast and be connected with the interval on the chain bracket and set up, transversely extend and can free rotation's many and press the axle, press the axle and toast chain bracket parallel arrangement, press epaxial being connected with and can press the sprocket that presses on the conveying chain.

After the structure is adopted, the pipe conveying chain realizes the circular conveying of the pipe, namely, the pipe is continuously fed by the automatic feeding machine, the static spraying chamber performs static spraying on the pipe, the baking and curing chamber performs plasticizing and curing, and the conveying chain is provided with the vertical pipe hanging plate and the support rod extending outwards, so that the pipe is in a horizontal state in the conveying process and the spraying process, and suspension type spraying is not adopted, so that the working efficiency is improved, a hanging point cannot be formed on the outer wall of the pipe (namely, the local part cannot be sprayed with the plastic), the slipping problem caused by unfirm suspension cannot occur, and the spraying quality of the pipe is improved. The automatic feeding machine is simple in structure, the pipe fitting can be automatically and accurately inserted into the supporting rod, labor efficiency is improved, and meanwhile the spraying quality of the pipe fitting is guaranteed.

In conclusion, the utility model has the advantages of simple structure and improvement of the plastic spraying efficiency and the plastic spraying quality of the batch pipe fittings.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the automatic feeding machine in the embodiment of FIG. 1;

FIG. 3 is a schematic top view of FIG. 2;

FIG. 4 is a schematic structural view taken along line A-A in FIG. 3;

FIG. 5 is a schematic perspective view of FIG. 2;

FIG. 6 is a perspective view of FIG. 2 in another orientation;

FIG. 7 is a schematic structural view of an electrostatic spray chamber of the embodiment of FIG. 1;

FIG. 8 is a schematic top view of FIG. 7;

FIG. 9 is a schematic view taken along line B-B of FIG. 7;

FIG. 10 is a schematic structural view of a bake curing chamber in the embodiment of FIG. 1;

FIG. 11 is a schematic structural view taken along line C-C in FIG. 10;

FIG. 12 is a schematic view of the structure of the conveyor chain in the embodiment of FIG. 1;

FIG. 13 is a schematic top view of FIG. 12;

fig. 14 is a schematic diagram of a structure of a transfer chain for transferring pipes.

Detailed Description

Referring to fig. 1, the utility model provides an automatic feeding and spraying equipment for pipe fittings, for convenience of description, the right side part in fig. 1 is the front part of the equipment, the direction perpendicular to the paper surface in fig. 1 is the transverse direction of the equipment, the equipment comprises a pipe fitting conveying chain, an electrostatic spraying chamber 1 and a baking and curing chamber 2, the pipe fitting conveying chain passes through the electrostatic spraying chamber 1 and the baking and curing chamber 2, the pipe fitting conveying chain is a rotary conveying chain, three large parts of the equipment are represented by dashed boxes in fig. 1, and the three large parts of the equipment are described in detail below with reference to the attached drawings.

Referring to fig. 1, 12 to 14, in the dotted line frame of fig. 14, a region I indicates a region where an automatic feeding machine is located, a region II indicates a region where an electrostatic spraying chamber is located, a region III indicates a region where a baking and curing chamber is located, the pipe conveying chain includes at least two conveying shafts 3 driven by a main power machine 30 and horizontally arranged, conveying sprockets are mounted on the conveying shafts 3, conveying chains 4 are mounted on the conveying sprockets, in this embodiment, a double-row sprocket structure is adopted, and a chain plate 31 arranged at an interval is connected between two parallel conveying chains 4 on the double-row sprocket, which can make the pipe more stable during conveying, and ensure that the pipe can be in a horizontal state, a plurality of pipe hanging plates 5 arranged vertically and at an interval are mounted on the side of the chain plate of the conveying chain 4, at least one support rod 6 extending outward and capable of being inserted into the pipe to be sprayed is mounted on each pipe hanging plate 5, in this embodiment, two rows of support rods are arranged on each pipe fitting suspension plate 5, each row of support rods comprises four support rods arranged up and down, other number of support rods 6 can be arranged according to actual conditions, the pipe fitting suspension plate 5 is only arranged on one of the conveying chains 4, the other conveying chain plays a role of balancing chains, a guide wheel 32 arranged relative to the pipe fitting suspension plate 5 is installed on the side portion of a chain plate of the other conveying chain, the guide wheel 32 plays a role in realizing the effect that when the support rods 6 need to be slightly inclined to support, the support rods can be realized through the matching of the guide rails and the guide wheel 32 and the structure of the pressure wheel, and the specific realization structure is further described in the subsequent structure.

Referring to fig. 1 to 6, an automatic feeding machine capable of automatically inserting the pipe into the supporting rod 6 is arranged on one side of the front end of the pipe conveying chain. The automatic feeding machine comprises a feeding frame 100, a feeding box 101 is arranged on the feeding frame 100, the feeding box 101 is provided with a material supporting frame which is arranged in a front-back inclined mode and can support a plurality of pipe fittings, a discharging hole which only allows one pipe fitting to stretch out is formed in the side wall, close to a conveying chain, of the feeding box 101, the discharging hole is located in the bottommost part of the material supporting frame, the discharging hole corresponds to the height of a supporting rod in height, a pushing rod 102 which slides transversely is arranged on the feeding frame 100, and the pushing rod can push the pipe fittings on the material supporting frame out of the discharging hole and is inserted into the supporting rod 6 under the driving of power of a pushing cylinder 103. In order to ensure that the pipe fitting can be accurately sleeved on the supporting rod 6 and prevent the problem of inclination in the pushing process, the feeding frame 100 is provided with a pipe fitting guide device for guiding the pipe fitting to enable the pipe fitting to be inserted and sleeved on the supporting rod, the pipe fitting guide device comprises a guide groove plate 104 connected to the feeding frame 100, a horizontally arranged and transversely extending guide groove is formed in the guide groove plate 104, horn openings are formed in the two transverse ends of the guide groove, the guide groove at the front end of the guide groove plate is a groove hole penetrating from front to back, a supporting rod in-place detector 105 for detecting the supporting rod 6 is connected to the guide groove plate 104, the in-place detector 105 can adopt a proximity switch structure and can also adopt an optoelectronic switch structure, so as to detect whether the supporting rod 6 is accurately in place or not and facilitate the insertion of the pipe fitting, the main power machine 30 can be controlled by a main controller to control the movement of the main power machine, so that the conveying chain 4 can be accurately in place, the guide slot plate 104 is further connected with an electromagnetic absorber 106 for absorbing the pipe fitting to enable the pipe fitting to be tightly attached to the guide slot, the electromagnetic absorber 106 can adopt an electromagnet structure (because the pipe fitting is an iron piece), the electromagnet can absorb the pipe fitting to enable the pipe fitting to be tightly attached to the guide slot, and then when the pipe fitting is pushed by the push rod 102, the pipe fitting can accurately slide along the slot bottom of the guide slot, so that the accuracy of inserting the pipe fitting to the support rod is guaranteed.

Referring to fig. 1 to 6, in this embodiment, a plurality of support rods 6 are connected to the pipe suspension plate 5, in order to improve the working efficiency, a plurality of upper feed boxes 101 are arranged at intervals up and down, in this embodiment, four upper feed boxes are arranged, and are respectively located at two sides of the push rods 102, that is, two upper feed boxes 101 are arranged at the front and back sides of the push rods, the upper feed boxes 101 at the two sides are arranged at intervals up and down, that is, four push rods are simultaneously arranged, and can simultaneously perform the operation of inserting the pipe elements for a row of support rods 6, an automatic feeding device capable of respectively assembling the pipe elements into the upper feed boxes 101 is connected to the upper feed frame 100, the automatic feeding device includes a feed box 107 vertically slidably connected to the upper feed frame 100, a feed cylinder 108 for driving the feed box 107 to slide is arranged on the upper feed frame 100, and a feed gap is arranged between the inner side of the feed box 107 and the feed frame 100, go up the uncovered setting of high-end wall of connecting the support work or material rest on the workbin 101, the uncovered setting in rear end of the last workbin that is located catch bar 102 front side promptly, the support work or material rest of this last workbin sets up from going forward hypsokinesis slant downwards, the uncovered setting in front end of the last workbin that is located catch bar 102 rear side, the support work or material rest of this last workbin slopes downwards from the back, catch bar 102 only promotes to be located the pipe fitting that holds in the palm the work or material rest bottommost and carries out above-mentioned cartridge work, vertical sliding connection has the feed board 109 of vertical sliding in the feed clearance on the material loading frame 100, be connected with on the material loading frame 100 and order about the material cylinder 110 that pushes away that feed board 109 slided, can push up the pipe fitting in the feed case when feed board 109 upwards slided. When the feeding box 101 needs to be fed, the feeding cylinder 108 drives the feeding box 107 to slide up and down, when the feeding box reaches the height of one feeding box 101, the pushing cylinder 110 is started to act, so that the feeding plate 109 slides along the feeding gap, the pipe fittings in the feeding box are pushed to enter the material supporting frame along the opening part of the feeding box, the feeding boxes continuously rise and fall, pipe fitting supply can be performed for a plurality of feeding boxes, continuous production is realized, and the working efficiency is improved.

Referring to fig. 7 to 9, a plastic spraying chain bracket 7 for supporting the conveying chain 4 is installed in the electrostatic plastic spraying chamber 1, in order to prevent the conveying chain from vibrating in the conveying process and affecting the plastic spraying effect, the plastic spraying chain bracket 7 is provided with a sliding table for supporting the chain plate and a long sinking groove along the length direction of the sliding table, the guide wheel 32 of the conveying chain 4 is located in the long sinking groove, so as to ensure the stable transmission of the conveying chain 4 and ensure the electrostatic plastic spraying effect, the electrostatic plastic spraying chamber 1 comprises a plastic spraying chamber body 11, the front end wall and the rear end wall of the plastic spraying chamber body 10 are provided with through holes for the conveying chain to pass through, a plastic spraying gun 12 which can extend into the plastic spraying chamber body and spray the pipe fitting is connected on the side wall of the plastic spraying chamber body 11, and a plurality of support rods are arranged, therefore, a plastic spraying power machine 15 which is driven by a plastic spraying power 16 and slides transversely is connected on the side wall of the plastic spraying chamber body 11, the upper and lower symmetry of plastic-spraying support 15 sets up two and two plastic-spraying supports are located the top and the below of same section conveying chain respectively when plastic-spraying support 15 slides and stretches into the plastic-spraying room body, plastic-spraying gun 12 is connected and is stretched end and two plastic-spraying gun 12's powder spray nozzle and set up relatively in plastic-spraying support 15's interior, and two sets of plastic-spraying guns upwards and downwards spray powder simultaneously, can guarantee electrostatic spraying's effect. The bottom wall of the plastic spraying chamber body is connected with the dust exhaust pipe 13, the other side wall of the plastic spraying chamber body 11 is connected with the powder recycling machine 14, an air inlet pipe of the powder recycling machine 14 is connected with the dust exhaust pipe 13, the structure guarantees the production environment, the waste materials are recycled, the production resources are saved, the specific structures of the powder recycling machine 14 and the plastic spraying gun are the prior art, the existing products of the existing manufacturers can be adopted, and the specific structures are not described in detail.

Referring to fig. 10 and 11, a baking chain bracket 8 for supporting the conveying chain 4 is arranged in the baking and curing chamber 2, the baking and curing chamber 2 is divided into a baking section and a curing section from front to back, a hot air supply pipe 21 and a hot air discharge pipe 22 are arranged on the baking section, the hot air supply pipe 21 is connected with a heat source, the heat source can be oil heating, electric heating and other structures, heated hot air can be blown in from the hot air supply pipe 21 by a fan, the hot air discharge pipe 22 can be circulated to supply air for the heat source, resources can be saved, and efficiency can be improved. Because in the baking plasticization and solidification process, wind current can be generated, in order to prevent the pipe fittings inserted on the supporting rod 6 from swinging or vibrating and other problems, the extending end of the supporting rod 6 needs to be slightly inclined, therefore, the baking chain bracket 8 is transversely inclined and can ensure that the pipe fittings sleeved on the supporting rod 6 are gradually inclined upwards from the inserting end to the outer extending end, the baking chain bracket 8 also has a sliding table for bearing the chain plate and a long sinking groove arranged along the length direction of the sliding table, the guide wheel 32 of the transmission chain 4 is positioned in the long sinking groove, thereby ensuring the stable transmission of the transmission chain 4, the baking chain bracket 8 is also connected with a plurality of pressing shafts 9 which are arranged at intervals, transversely extend and can freely rotate, the pressing shafts 9 are arranged in parallel with the baking chain bracket 8, the pressing shafts 9 are connected with pressing chain wheels 10 which can be pressed on the transmission chain 4, the structure is used for further ensuring the stability when the conveying chain conveys the pipe fittings.

Referring to fig. 1, the end of the baking and curing chamber 2 is provided with the above-mentioned transmission shaft 3 and a corresponding transmission chain wheel, so that the rotary conveying can be realized, and the lower half section of the transmission chain can be provided with a discharging station, so that the pipe fitting can be pulled out from the supporting rod 6 manually or by a manipulator. A chain bracket similar to the baking chain bracket 8 is also required to be provided below the lower half of the conveying chain, which can ensure the stability of the entire conveying chain. In addition, the actions of each motor and each air cylinder in the utility model are controlled by a master controller, and a person skilled in the art can adopt a corresponding control program according to the processes before and after the actions, and the control principle and the structure of the control program are not described.

The present invention may also have other embodiments, and other technical solutions formed in the claims are not described in detail, and the present invention is not limited by the above embodiments, and equivalent changes and component replacements based on the above embodiments of the present invention are within the protection scope of the present invention.

Claims (10)

1. The utility model provides a pipe fitting automatic feeding spraying equipment, includes pipe fitting transfer chain, electrostatic spraying plastics room (1) and toasts curing chamber (2), and the pipe fitting transfer chain passes electrostatic spraying plastics room (1) and toasts curing chamber (2), its characterized in that: the pipe fitting transfer chain includes two piece at least conveying axle (3) by main power machine drive and level setting, be equipped with conveying sprocket on conveying axle (3), conveying chain (4) are equipped with on a plurality of conveying sprocket, the link joint lateral part of conveying chain (4) is equipped with vertical setting, a plurality of pipe fittings that the interval was arranged hang board (5), every pipe fitting is equipped with on hanging board (5) and outwards stretches out and can the cartridge at least a die-pin (6) in treating the spraying pipe fitting, front end one side of pipe fitting transfer chain is equipped with can be with the automatic material loading machine on pipe fitting automatic plug bush die-pin (6).

2. The automatic pipe feeding and spraying apparatus of claim 1, wherein: the automatic feeding machine comprises a feeding rack (100), a feeding box (101) is arranged on the feeding rack (100), the feeding box (101) is provided with a material supporting rack which is inclined forwards and backwards and can support a plurality of pipes, a discharging port which only allows one pipe to stretch out is arranged on the side wall of the feeding box (101) close to a conveying chain, the discharging port is located at the bottommost part of the material supporting rack and highly corresponds to a supporting rod, and a pushing rod (102) which slides transversely and is arranged on the feeding rack (100) can push out the pipes on the material supporting rack from the discharging port and is inserted on the supporting rod under the driving of a power of a pushing cylinder (103).

3. The automatic pipe feeding and spraying apparatus of claim 2, wherein: the feeding rack (100) is provided with a pipe guiding device which is used for guiding the pipe to be inserted and sleeved on the supporting rod.

4. The automatic pipe feeding and spraying apparatus of claim 3, wherein: pipe fitting guider is including connecting guide way board (104) on material loading frame (100), set up the guide way that the level set up and transversely extend on guide way board (104), the horizontal both ends of guide way all set up the loudspeaker opening, the slotted hole that the front end guide way of guide way board is link up around for, be connected with die-pin detector (105) that target in place that are used for detecting die-pin (6) on guide way board (104), still be connected with on guide way board (104) and be used for adsorbing the pipe fitting and make the pipe fitting hug closely electromagnetic absorber (106) in the guide way.

5. The automatic pipe feeding and spraying apparatus of claim 2, wherein: the pipe fitting suspension plate (5) is connected with a plurality of vertically arranged support rods (6), the feeding box (101) is arranged in a plurality at intervals from top to bottom, and the feeding frame (100) is connected with an automatic feeding device capable of respectively assembling pipe fittings in the feeding box.

6. The automatic pipe feeding and spraying apparatus of claim 5, wherein: automatic feedway includes feed tank (107) on vertical sliding connection at material loading frame (100), be equipped with feed cylinder (108) that orders about feed tank (107) and slide on material loading frame (100), be equipped with the feed clearance between the inboard of feed tank (107) and material loading frame (100), material loading case (101) go up the high-end wall uncovered setting of connecting the support work or material rest, vertical sliding connection has feed board (109) from vertical sliding in the feed clearance on material loading frame (100), be connected with on material loading frame (100) and order about push away material cylinder (110) that feed board (109) slided, can push up the pipe fitting in the feed tank when feed board (109) upwards slide.

7. The automatic pipe fitting feeding and spraying apparatus of any one of claims 1 to 6, wherein: the spraying plastics chain bracket (7) of bearing conveying chain (4) are equipped with in static spraying plastics room (1), and static spraying plastics room (1) is equipped with the mouth that passes through that supplies conveying chain to pass through including the spraying plastics room body (11) on the front and back end wall of the spraying plastics room body (11), be connected with on the lateral wall of the spraying plastics room body (11) and stretch into spraying plastics rifle (12) that the spraying plastics room is internal and carry out the spraying plastics to the pipe fitting, be connected with dust exhaust pipe (13) on the diapire of the spraying plastics room body, be connected with powder recovery machine (14) on another lateral wall of the spraying plastics room body (11), the air-supply line and the dust exhaust pipe (13) of powder recovery machine (14) are connected.

8. The automatic pipe feeding and spraying apparatus of claim 7, wherein: the side wall of the plastic spraying chamber body (11) is connected with a plastic spraying support (15) which is driven by a plastic spraying power machine (16) to slide transversely, the plastic spraying support (15) is arranged in an up-and-down symmetrical mode, the two plastic spraying supports are respectively located above and below the same section of conveying chain when the plastic spraying support (15) slides and stretches into the plastic spraying chamber body, and the plastic spraying guns (12) are connected to the inner stretching ends of the plastic spraying supports (15) and the powder spraying openings of the two plastic spraying guns (12) are arranged oppositely.

9. The automatic pipe fitting feeding and spraying apparatus of any one of claims 1 to 6, wherein: the baking and curing chamber (2) is internally provided with a baking chain bracket (8) for bearing the conveying chain (4), the baking and curing chamber (2) is divided into a baking section and a curing section from front to back, and the baking section is provided with a hot air supply pipe (21) and a hot air discharge pipe (22).

10. The automatic pipe feeding and spraying apparatus of claim 9, wherein: toast chain bracket (8) horizontal slope setting and enable the pipe fitting of suit on die-pin (6) and extend the end upwards slope gradually from the insertion end, toast and be connected with the interval setting on chain bracket (8), transversely extend and can free rotation's many press axle (9), press axle (9) and toast chain bracket (8) parallel arrangement, press and be connected with on axle (9) and press sprocket (10) of pressing on conveying chain (4).

Images