CN117103647A - A PVC pipe bending machine - Google Patents

Abstract

The invention provides a PVC pipe bending machine, which relates to the technical field of PVC pipe processing. The PVC pipe bending machine includes a base, a support is fixedly connected to the bottom of the base, a driving assembly is provided on the top of the base, and a driving assembly is provided on the driving assembly. There is a fixed seat, and a fixed component is provided in the center of the fixed seat; a mounting shell is fixedly connected to one side of the top of the base, a bending component is provided on the mounting shell, and a mounting bracket is provided on the bending component. A second hydraulic cylinder is fixedly connected to the mounting frame, and a first clamping seat is fixedly connected to the piston rod of the second hydraulic cylinder; a fixing plate is fixedly connected to the top of the installation shell, and a third clamping seat is fixedly connected to the fixing plate. Three hydraulic cylinders, the piston rod of the third hydraulic cylinder is fixedly connected with a second clamping seat; through the provided bolts and limiting columns, the fixed seat, the ball nut seat and the two slide blocks can be quickly connected. , convenient for later disassembly and repair of fixed components, and high portability.

Description

A PVC pipe bending machine

Technical field

The invention relates to the technical field of PVC pipe processing, specifically a PVC pipe bending machine.

Background technique

Polyvinyl chloride, abbreviated as PVC in English, is a polymer polymerized by vinyl chloride monomer with initiators such as peroxides and azo compounds or under the action of light and heat according to the free radical polymerization reaction mechanism. Vinyl chloride homopolymer and chlorine Ethylene copolymers are collectively called vinyl chloride resin. PVC was once the world's most widely produced general plastic and is widely used. It is widely used in building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foam materials, sealing materials, fibers, etc. Pipes made of PVC have It has strong mechanical properties and is widely used.

PVC pipes need to be bent during processing to ensure that they can be installed in composite lines. Current bending machines are usually larger in size and more expensive to use. It is usually inconvenient to bend PVC pipe fittings of different sizes during use. Quick clamping and fixation, pipe bending machine equipment has high resistance during the bending process, which can easily cause serious wear and tear on the outer wall of the pipe fittings. The clamped components are not easy to disassemble and repair, affecting the convenience of use.

For this reason, we have developed a new PVC pipe bending machine.

Contents of the invention

(1) Technical problems solved

In view of the shortcomings of the existing technology, the present invention provides a PVC pipe bending machine, which solves the problem that the current bending machine is usually larger in size and more expensive to use, and it is usually inconvenient to quickly bend PVC pipe fittings of different sizes during use. Clamping and fixing, pipe bending machine equipment has the problem of high resistance during the bending process, which can easily cause serious wear and tear on the outer wall of the pipe fittings.

(2) Technical solutions

In order to achieve the above objects, the present invention is realized through the following technical solutions: a PVC pipe bending machine, including a base, the bottom of the base is fixedly connected with a pillar, the top of the base is provided with a driving assembly, and the driving assembly is provided with a fixed base, a fixing component is provided in the center of the fixed base;

An installation shell is fixedly connected to one side of the top of the base. A bending assembly is provided on the installation shell. A mounting frame is provided on the bending assembly. A second hydraulic cylinder is fixedly connected to the mounting frame. The third hydraulic cylinder is fixedly connected to the mounting frame. A first clamping seat is fixedly connected to the piston rod of the two hydraulic cylinders;

A fixed plate is fixedly connected to the top of the installation shell, a third hydraulic cylinder is fixedly connected to the fixed plate, and a second clamping seat is fixedly connected to the piston rod of the third hydraulic cylinder.

Preferably, the driving assembly includes slide rails fixedly connected to the front and rear of the top of the base. The centers of the two slide rails are slidingly connected to limited slide blocks. A first bracket is fixedly connected to one side of the top of the base. A second bracket is fixedly connected to the other side. A transmission screw is rotatably connected between the first bracket and the second bracket. A first motor is fixedly connected to the first bracket. The output shaft of the first motor is connected to the second bracket. One end of the transmission screw is connected, a ball nut seat is threadedly connected to the transmission screw, and the top of the ball nut seat is fixedly connected to a limiting column.

Through the above technical solution, the first motor is started, and the output shaft of the first motor drives the transmission screw to rotate, which in turn drives the ball nut seat to move. The fixed seat also moves on the slide rail along with the limit slider, and the position of the pipe fitting also follows. of movement.

Preferably, the first bracket and the second bracket are both provided with mounting holes, and the transmission screw passes through the center of the mounting holes.

Through the above technical solution, the transmission screw can rotate on the first bracket and the second bracket, and then rotate synchronously with the output shaft of the first motor to complete the forward and backward movement of the fixed base.

Preferably, a limit slot is provided on the top of the two limit slide blocks, the fixed seat is located in the center of the two limit slots, and two bolts are installed between the fixed seat and the two limit slide blocks, so A socket corresponding to the limiting column is provided at the bottom of the fixed base, and the limiting column penetrates the center of the socket.

Through the above technical solution, the fixed seat is detachably connected to the two limit slide blocks and the ball nut seat, which can be fixed by bolts, and the limit column is used to connect and position the ball nut seat and the fixed seat. , enabling it to move synchronously.

Preferably, the first bracket is provided with positioning holes.

Through the above technical solution, the first bracket can position and support the pipe. During processing, the pipe first passes through the positioning hole and is then fixed using the fixing assembly.

Preferably, the fixing assembly includes a mounting tube fixedly connected to the center of the fixing base. A plurality of mounting slots are provided in the center of the fixing base. The centers of the plurality of mounting slots are rotatably connected to first rotation shafts. A plurality of the First gears are fixedly connected to the outer walls of the first rotating shafts, second motors are fixedly connected to the centers of the plurality of mounting slots, and the output shafts of the plurality of second motors are respectively connected to one ends of the plurality of first rotating shafts. , the centers of the plurality of mounting grooves are all slidably connected with first racks meshing with the first gears.

Through the above technical solution, the PVC pipe is placed in the center of the first bracket, so that it enters the center of the installation pipe, and then starts a plurality of second motors. The output shafts of the plurality of second motors respectively drive a plurality of first rotation shafts to rotate, thereby driving The plurality of first gears rotate and the plurality of first racks move accordingly to clamp the PVC pipe fittings.

Preferably, the outer wall of the installation tube is provided with a plurality of through holes corresponding to the first racks, and the plurality of first racks all pass through the center of the through holes.

Through the above technical solution, a plurality of first racks can penetrate the center of the through hole to clamp the pipe, and the clamping effect is good.

Preferably, the bending assembly includes a second rotation shaft rotatably connected to the center of the installation shell, a bending roller is fixedly connected to the top of the outer wall of the second rotation shaft, and a second gear is fixedly connected to the bottom of the outer wall of the second rotation shaft. , a first hydraulic cylinder is fixedly connected to the front end surface of the installation shell, and a second rack meshed with the second gear is fixed on the piston rod of the first hydraulic cylinder.

Through the above technical solution, the first hydraulic cylinder is started, and the piston rod of the first hydraulic cylinder drives the second rack to move, which in turn drives the second gear meshed with it to rotate, and the second rotating shaft also rotates accordingly, driving the bending roller to rotate. , driving the pipe fittings to bend.

Preferably, the mounting shell is provided with a limiting hole corresponding to the second rack, and the second rack passes through the center of the limiting hole.

Through the above technical solution, the second rack can be limited by the limiting hole and move more stably.

(3) Beneficial effects

The invention provides a PVC pipe bending machine. It has the following beneficial effects:

1. This PVC pipe bending machine uses a set of drive components to enable the transmission screw to rotate after the first motor is started, which in turn drives the ball nut seat to move and the fixed seat to move. The pipe fittings can move forward and backward freely after being clamped, so that for subsequent bending operations.

2. This PVC pipe bending machine, through the set bolts and limiting columns, enables quick connection between the fixed seat, the ball nut seat and the two slide blocks, which facilitates later disassembly and repair of the fixed components, and is highly portable. .

Description of drawings

Figure 1 is an appearance view of the present invention;

Figure 2 is a top view of the present invention;

Figure 3 is a schematic structural diagram of some parts of the present invention;

Figure 4 is a schematic structural diagram of the fixed seat of the present invention;

Figure 5 is a cross-sectional view of the fixed seat of the present invention;

Figure 6 is a cross-sectional view of the installation shell of the present invention;

Figure 7 is a partial enlarged view of position A in Figure 5.

Among them, 1. Base; 2. Pillar; 3. Driving component; 301. Slide rail; 302. Limit slider; 303. First bracket; 304. Second bracket; 305. Transmission screw; 306. First motor ; 307. Ball nut seat; 308. Limiting column; 4. Fixing seat; 401. Bolts; 5. Fixed components; 501. Installation tube; 502. Installation groove; 503. First rotating shaft; 504. First gear; 505. Second motor; 506. First rack; 6. Installation shell; 7. Bending component; 701. Second rotating shaft; 702. Bending roller; 703. Second gear; 704. First hydraulic cylinder; 705. Second rack; 8. Mounting frame; 9. Second hydraulic cylinder; 10. First clamping seat; 11. Fixed plate; 12. Third hydraulic cylinder; 13. Second clamping seat.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Example:

As shown in Figures 1 to 7, an embodiment of the present invention provides a PVC pipe bending machine, which includes a base 1. A support 2 is fixedly connected to the bottom of the base 1. A driving assembly 3 is provided on the top of the base 1. The driving assembly 3 is provided with a fixed The base 4 is provided with a fixing component 5 in the center of the fixed base 4; a mounting shell 6 is fixedly connected to one side of the top of the base 1, a bending component 7 is provided on the mounting shell 6, and a mounting bracket 8 is provided on the bending component 7. A second hydraulic cylinder 9 is fixedly connected to the piston rod of the second hydraulic cylinder 9 and a first clamping seat 10 is fixedly connected to the piston rod of the second hydraulic cylinder 9; a fixing plate 11 is fixedly connected to the top of the installation shell 6, and a third hydraulic cylinder 11 is fixedly connected to the fixing plate 11. Cylinder 12, a second clamping seat 13 is fixedly connected to the piston rod of the third hydraulic cylinder 12;

As shown in Figures 2, 4 and 5, the driving assembly 3 includes slide rails 301 fixedly connected to the front and rear of the top of the base 1. The centers of the two slide rails 301 are slidingly connected to the limited slide blocks 302, and the top side of the base 1 is fixedly connected. There is a first bracket 303, and a positioning hole is provided on the first bracket 303; so that the first bracket 303 can position and support the pipe. During processing, the pipe first passes through the positioning hole, and then is fixed using the fixing component 5; the other side of the top of the base 1 A second bracket 304 is fixedly connected, and a transmission screw 305 is rotatably connected between the first bracket 303 and the second bracket 304. There are mounting holes on both the first bracket 303 and the second bracket 304, and the driving screw 305 passes through the installation holes. center; so that the transmission screw 305 can rotate on the first bracket 303 and the second bracket 304, and then rotate synchronously with the output shaft of the first motor 306, completing the forward and backward movement of the fixed base 4; the first bracket 303 is fixedly connected with a third One motor 306. The output shaft of the first motor 306 is connected to one end of the transmission screw 305. The transmission screw 305 is threadedly connected with a ball nut seat 307, and the top of the ball nut seat 307 is fixedly connected with a limiting post 308; two limiters A limit slot is provided at the top of the position slider 302. The fixed base 4 is located in the center of the two limit slots. Two bolts 401 are installed between the fixed base 4 and the two limit slide blocks 302. A limit slot is provided at the bottom of the fixed base 4. The position post 308 corresponds to the jack hole, and the limit post 308 penetrates the center of the jack hole; making the fixed base 4 and the two limit slide blocks 302 and the ball nut seat 307 detachably connected, and can be fixed by bolts 401. Use the limiting column 308 to connect and position the ball nut seat 307 and the fixed seat 4 so that they can move synchronously; start the first motor 306, and the output shaft of the first motor 306 drives the transmission screw 305 to rotate, thereby driving the ball nut. When the seat 307 moves, the fixed seat 4 also moves on the slide rail 301 along with the limit slider 302, and the position of the pipe fitting also moves accordingly;

As shown in Figures 5 and 7, the fixing assembly 5 includes a mounting tube 501 fixedly connected to the center of the fixing base 4. A plurality of mounting slots 502 are provided in the center of the fixing base 4, and the centers of the multiple mounting slots 502 are all rotatably connected with first rotation Shaft 503, first gears 504 are fixedly connected to the outer walls of the plurality of first rotation shafts 503, second motors 505 are fixedly connected to the centers of the plurality of mounting slots 502, and the output shafts of the plurality of second motors 505 are respectively connected to the plurality of first One end of the rotating shaft 503 is connected, and the centers of the plurality of installation grooves 502 are slidingly connected with first racks 506 that mesh with the first gear 504; the outer wall of the installation tube 501 is provided with a plurality of passages corresponding to the first racks 506. hole, the plurality of first racks 506 all penetrate the center of the through hole; so that the plurality of first racks 506 can penetrate the center of the through hole to clamp the pipe, and the clamping effect is better; place the PVC pipe in the center of the first bracket 303, It enters the center of the installation tube 501, and then starts a plurality of second motors 505. The output shafts of the plurality of second motors 505 respectively drive a plurality of first rotating shafts 503 to rotate, and then drive a plurality of first gears 504 to rotate. A rack 506 moves accordingly to clamp the PVC pipe;

As shown in Figures 2 and 6, the bending assembly 7 includes a second rotation shaft 701 that is rotatably connected to the center of the installation shell 6. The top of the outer wall of the second rotation shaft 701 is fixedly connected with a bending roller 702, and the bottom of the outer wall of the second rotation shaft 701 A second gear 703 is fixedly connected, a first hydraulic cylinder 704 is fixedly connected to the front end of the installation shell 6, and a second rack 705 that meshes with the second gear 703 is fixed on the piston rod of the first hydraulic cylinder 704; installation The shell 6 is provided with a limit hole corresponding to the second rack 705, and the second rack 705 penetrates the center of the limit hole; so that the second rack 705 can be limited by the limit hole and move more stably. ; Start the first hydraulic cylinder 704, the piston rod of the first hydraulic cylinder 704 drives the second rack 705 to move, and then drives the second gear 703 meshed with it to rotate, and the second rotating shaft 701 also rotates accordingly, driving the bending roller 702 rotates to drive the pipe fittings to bend.

Working principle: First, place the PVC pipe in the center of the first bracket 303 so that it enters the center of the installation pipe 501, then start a plurality of second motors 505, and the output shafts of the plurality of second motors 505 drive a plurality of first rotation shafts 503 respectively. rotation, thereby driving the plurality of first gears 504 to rotate, and the plurality of first racks 506 to move accordingly, clamping the PVC pipe fittings, and then starting the first motor 306, and the output shaft of the first motor 306 drives the transmission screw 305 to rotate. Then the ball nut seat 307 is driven to move, the fixed seat 4 also moves on the slide rail 301 along with the limit slider 302, and the position of the pipe fitting also moves accordingly. The pipe fitting has been moved into the center of the bending roller 702, and then the second hydraulic pressure is started. Cylinder 9 and the third hydraulic cylinder 12, the first clamping seat 10 completely clamps and fixes the pipe fitting, the second clamping seat 13 limits the position of the pipe fitting, starts the first hydraulic cylinder 704, and the piston rod of the first hydraulic cylinder 704 drives The second rack 705 moves, and then drives the second gear 703 meshed with it to rotate, and the second rotating shaft 701 also rotates accordingly, driving the bending roller 702 to rotate, and driving the pipe fitting to bend. When multiple bending is required, Release the fixation of the fixing component 5, use the driving component 3 to drive the fixing seat 4 to move to the other side, and then the fixing component 5 clamps the rear part of the pipe fitting, and then advances it through the driving component 3. After pushing, it passes through the first clamping seat 10 and the second The two clamping seats 13 clamp it, then it can be processed, and the operation can be repeated.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. A PVC pipe bending machine, including a base (1), characterized in that: a support (2) is fixedly connected to the bottom of the base (1), and a driving assembly (3) is provided on the top of the base (1). The driving component (3) is provided with a fixed seat (4), and a fixed component (5) is provided in the center of the fixed seat (4); A mounting shell (6) is fixedly connected to one side of the top of the base (1), a bending component (7) is provided on the mounting shell (6), and a mounting bracket (8) is provided on the bending component (7). ), the second hydraulic cylinder (9) is fixedly connected to the mounting bracket (8), and the first clamping seat (10) is fixedly connected to the piston rod of the second hydraulic cylinder (9); A fixed plate (11) is fixedly connected to the top of the installation shell (6), a third hydraulic cylinder (12) is fixedly connected to the fixed plate (11), and a piston rod of the third hydraulic cylinder (12) is fixed to the fixed plate (11). A second clamping seat (13) is connected. 2. A PVC pipe bending machine according to claim 1, characterized in that: the driving assembly (3) includes slide rails (301) fixedly connected to the front and rear of the top of the base (1), and two of the slide rails The centers of (301) are all slidingly connected to limited slide blocks (302). One side of the top of the base (1) is fixedly connected to a first bracket (303), and the other side of the top of the base (1) is fixedly connected to a second bracket. (304), a transmission screw (305) is rotatably connected between the first bracket (303) and the second bracket (304), and a first motor (306) is fixedly connected to the first bracket (303). The output shaft of the first motor (306) is connected to one end of the transmission screw (305). A ball nut seat (307) is threadedly connected to the transmission screw (305). The ball nut seat (307) ) The top is fixedly connected with a limiting column (308). 3. A PVC pipe bending machine according to claim 2, characterized in that: the first bracket (303) and the second bracket (304) are both provided with mounting holes, and the transmission screw (305) Through the center of the mounting hole. 4. A PVC pipe bending machine according to claim 2, characterized in that: two limiting slides (302) are provided with limiting grooves at the top, and the fixed seat (4) is located in the two limiting grooves. In the center, two bolts (401) are installed between the fixed base (4) and the two limiting slides (302). There are holes corresponding to the limiting posts (308) at the bottom of the fixed base (4). jack, and the limiting post (308) penetrates the center of the jack. 5. A PVC pipe bending machine according to claim 2, characterized in that: the first bracket (303) is provided with positioning holes. 6. A PVC pipe bending machine according to claim 1, characterized in that: the fixing assembly (5) includes an installation pipe (501) fixedly connected to the center of the fixing base (4), and the fixing base (4) ) is provided with a plurality of installation slots (502) in the center. The centers of the plurality of installation slots (502) are rotatably connected with first rotation shafts (503). The outer walls of the plurality of first rotation shafts (503) are fixedly connected with The first gear (504), a plurality of second motors (505) are fixedly connected to the centers of the plurality of mounting slots (502), and the output shafts of the plurality of second motors (505) are respectively connected with a plurality of first rotation shafts ( 503), and a first rack (506) meshing with the first gear (504) is slidably connected to the center of the plurality of mounting grooves (502). 7. A PVC pipe bending machine according to claim 6, characterized in that: the outer wall of the installation pipe (501) is provided with a plurality of through holes corresponding to the first rack (506), and a plurality of said The first racks (506) all pass through the center of the through holes. 8. A PVC pipe bending machine according to claim 1, characterized in that: the bending assembly (7) includes a second rotation axis (701) rotatably connected to the center of the installation shell (6), and the A bending roller (702) is fixedly connected to the top of the outer wall of the two rotating shafts (701), a second gear (703) is fixedly connected to the bottom of the outer wall of the second rotating shaft (701), and the front end surface of the installation shell (6) is fixedly connected. There is a first hydraulic cylinder (704), and a second rack (705) meshed with the second gear (703) is fixed on the piston rod of the first hydraulic cylinder (704). 9. A PVC pipe bending machine according to claim 8, characterized in that: the mounting shell (6) is provided with a limit hole corresponding to the second rack (705), and the second rack The strip (705) penetrates the center of the limiting hole.