CN217798190U

CN217798190U - Short U-shaped pipe automatic bending forming unit without generating scraps

Info

Publication number: CN217798190U
Application number: CN202221811180.8U
Authority: CN
Inventors: 邓震伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-15
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses an automatic pipe bending forming unit of short U type pipe of not producing bits end, belong to return bend equipment technical field, the last fixed surface of whole board installs multiroll level aligning mechanism, multiroll vertical straightening mechanism, rotatory cutting mechanism of annular and servo numerical control automatic pipe bending mechanism, rotatory cutting mechanism of annular's fixed surface installs servo numerical control feeding and returning material mechanism and short U pipe and pushes away the mechanism, rotatory cutting mechanism of annular is provided with the mounting base, this automatic pipe bending forming unit of short U type pipe of not producing bits end is with copper pipe raw and other materials through the aligning, the cutting of scale chipless, numerical control pipe bending, process operation sets such as the automatic blanking of short U type pipe of finished product, burr and sawdust can not appear in the whole processing procedure of short U pipe, follow-up need not to grind, the cleaner washs, technological process flows such as stoving, it is little to have the occupation of land space, degree of automation is high, product specification fast switch over, characteristics such as environmental protection and energy saving.

Description

Short U-shaped pipe automatic bending forming unit without generating scraps

Technical Field

The utility model relates to a return bend equipment technical field, more specifically say, relate to an automatic return bend forming unit of short U type pipe that does not produce the bits end.

Background

In the production process of bent pipes, an automatic pipe bending machine needs to be used, for example, a U-shaped chipless blanking automatic pipe bending machine disclosed in the publication No. CN105234267A, but in the production process of short bent pipes, although no copper filings are generated, the process of the automatic pipe bending machine successively goes through copper pipe straightening, sizing feeding, straight pipe cutting, short straight pipe blanking, vibrating tray arrangement feeding, secondary material receiving, push rod positioning, bending forming and the like.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an automatic pipe bending forming unit of short U type pipe that does not produce bits end, this automatic pipe bending forming unit of short U type pipe that does not produce bits end is with copper pipe raw and other materials through the aligning, the cutting of scale chipless, the numerical control pipe bending shaping, process operations such as the automatic blanking of the short U of finished product pipe are gathered on an equipment, burr and sawdust can not appear in the whole processing procedure of short U pipe, follow-up need not to grind, the cleaner washs, technological process such as stoving, it is little to have the occupation of land space, degree of automation is high, product specification fast switch over, characteristics such as environmental protection and energy saving.

In order to solve the above problems, the utility model adopts the following technical proposal.

An automatic short U-shaped pipe bending forming unit without generating scraps comprises an integral machine table, wherein a multi-roller horizontal straightening mechanism, a multi-roller vertical straightening mechanism, an annular rotary cutting mechanism and a servo numerical control automatic pipe bending mechanism are fixedly arranged on the upper surface of the integral machine table, a servo numerical control feeding and returning mechanism and a short U-shaped pipe pushing and dropping mechanism are fixedly arranged on the surface of the annular rotary cutting mechanism, the annular rotary cutting mechanism is provided with a mounting base, a pneumatic feed assembly is fixedly arranged on the surface of the mounting base, a rotary driving motor is fixedly arranged on the surface of the pneumatic feed assembly, the output end of the rotary driving motor is rotatably connected with a cutter assembly, a first slide rail and a second slide rail are fixedly connected on the surface of the mounting base, two mounting base plates are slidably connected on the surface of the first slide rail, and a first pneumatic clamping assembly and a second pneumatic clamping assembly are fixedly arranged on the surfaces of the two mounting base plates respectively, the side surface of the mounting base plate is connected with a ball screw through threads, one end of the ball screw is fixedly connected with a servo drive feeding motor, the surface of the second slide rail is connected with a push rod jacking cylinder in a sliding manner, the output end of the push rod jacking cylinder is fixedly provided with a push pipe blanking cylinder, the output end of the push pipe blanking cylinder is fixedly provided with a push pipe rod, the surface of the push pipe rod is connected with a slide block connecting plate in a sliding manner, the servo numerical control automatic pipe bending mechanism comprises a bent pipe mounting seat and a wedge-shaped height adjusting mechanism, and a copper pipe heating assembly, an oil pressure clamping assembly, a bent pipe circular die, a bent pipe profiling die, a pipe hole shaping mandrel assembly and a pipe hole shaping mandrel advancing and retreating assembly which are fixedly connected with the bent pipe mounting seat, one end of the pipe hole shaping mandrel advancing and retreating assembly is connected with a four-way gas-liquid control pipeline rotary joint through threads, the one end fixed mounting of four ways gas-liquid control pipeline rotary joint has servo drive return bend motor, servo drive return bend motor's surface is provided with return bend speed reducer and servo motor, this automatic return bend forming unit of short U type pipe that does not produce bits end is with copper pipe raw and other materials through the alignment, the chipless cutting of scale, numerical control return bend shaping, process operations such as the automatic blanking of the short U type pipe of finished product set on an equipment, burr and sawdust can not appear in the whole processing procedure of short U type pipe, follow-up need not to grind, the cleaner washs, technological process such as stoving, it is little to have the occupation of land space, degree of automation is high, product specification fast switch-over, characteristics such as environmental protection and energy saving.

Further, the whole machine table, the multi-roller horizontal straightening mechanism, the multi-roller vertical straightening mechanism, the annular rotary cutting mechanism, the servo numerical control automatic pipe bending mechanism, the servo numerical control feeding and returning mechanism and the short U pipe pushing and dropping mechanism are electrically connected with a control box through a wire, and an electric control system, a hydraulic control system, a pneumatic control system and a lubricating system which are matched with each other are arranged in the control box.

Furthermore, the output end of the rotary driving motor is provided with a belt pulley, the surface of the belt pulley is connected with a belt in a contact manner, and the side face of the rotary driving motor is connected with a belt tensioning assembly in a sliding manner.

Furthermore, the annular rotary cutting mechanism is provided with a cutter lubrication pipeline system, and the cutter lubrication pipeline system and the bent pipe lubrication pipeline system are connected with a lubrication system arranged in the control box.

Furthermore, the servo numerical control automatic pipe bending mechanism is provided with a pipe bending lubrication pipeline system, and the pipe bending lubrication pipeline system is connected with a lubrication system arranged in the control box.

Furthermore, wedge height-adjusting mechanism includes slide wedge board, chute board, connecting plate, cylinder, lift mounting substrate and spacing locking Assembly.

Compared with the prior art, the utility model has the advantages of:

(1) This scheme is through the process operation set such as aligning, scale chipless cutting, numerical control return bend shaping, the short U pipe automatic blanking of finished product with copper pipe raw and other materials on an equipment, burr and sawdust can not appear in the whole processing procedure of short U pipe, follow-up need not to grind, technological process such as cleaner washing, stoving, have take up an area of the space little, degree of automation is high, product specification fast switch-over, characteristics such as environmental protection and energy saving.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the servo numerical control feeding and discharging mechanism and the annular rotary cutting mechanism of the present invention;

fig. 3 is the utility model discloses an automatic return bend mechanism mounting structure sketch of servo numerical control.

The reference numbers in the figures illustrate:

the automatic multi-roller horizontal straightening device comprises a 1 multi-roller horizontal straightening mechanism, a 2 multi-roller vertical straightening mechanism, a 3 servo numerical control feeding and returning mechanism, a 31 mounting base plate, a 32 ball screw, a 33 first slide rail, a 34 servo drive feeding motor, a 35 first pneumatic clamping component, a 36 second pneumatic clamping component, a 4 annular rotary cutting mechanism, a 41 mounting base, a 42 rotary drive motor, a 43 cutter component, a 44 pneumatic feed component, a 45 belt tensioning component, a 5 servo numerical control automatic pipe bending mechanism, a 50 copper pipe heating component, a 51 bent pipe mounting base, a 52 oil pressure clamping component, a 53 bent pipe circular mold, a 54 bent pipe profiling mold, a 55 pipe hole shaping mandrel component, a 56 pipe hole shaping mandrel advancing and retracting component, a 57 servo drive bent pipe motor, a 58 bent pipe speed reducer, a 59 four-way gas-liquid control pipeline rotary joint, a 511 wedge-shaped height adjusting mechanism, a 512 wedge-shaped plate, a sliding groove plate, a lifting mounting base plate, a 515 cylinder, a 516 connecting plate, a 6 short U pipe pushing mechanism, a 61 second slide rail, a 62 slide block connecting plate, a 63 pushing pipe rod, a 64 pushing cylinder, a 65 machine table pushing cylinder, a 7 jacking box and 8 control box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an automatic short U-tube bending machine set without generating scraps comprises an integral machine table 7, referring to fig. 1-3, a multi-roller horizontal straightening mechanism 1, a multi-roller vertical straightening mechanism 2, an annular rotary cutting mechanism 4 and a servo numerical control automatic tube bending mechanism 5 are fixedly installed on the upper surface of the integral machine table 7, the multi-roller horizontal straightening mechanism 1 and the multi-roller vertical straightening mechanism 2 are respectively provided with a plurality of sets of rollers for facilitating automatic straightening of raw materials after passing through, which belongs to the prior art, a servo numerical control feeding and returning mechanism 3 and a short U-tube pushing and dropping mechanism 6 are fixedly installed on the surface of an annular rotary cutting mechanism 4, the annular rotary cutting mechanism 4 is provided with a mounting base 41, a pneumatic feed knife assembly 44 is fixedly installed on the surface of the mounting base 41, a rotary driving motor 42 is fixedly installed on the surface of the pneumatic feed knife assembly 44, an output end of the rotary driving motor 42 is rotatably connected with a cutter assembly 43, a first slide rail 33 and a second slide rail 61 are fixedly connected on the surface of the mounting base 41, two mounting base plates 31 are slidably connected with two mounting base plates 31, a slide rod 35 and a slide rod 32 of a pneumatic feed screw rod fixedly installed on the surface of a pneumatic feed screw rod, a push rod 32, a push rod 70 of a push rod 32, a push rod of a pneumatic cylinder 64, a pneumatic feed cylinder 64 is connected with a pneumatic cylinder 64, a pneumatic cylinder 64 for fixing a pneumatic cylinder for fixing a pneumatic feed cylinder 32, a pneumatic push rod 32, a pneumatic cylinder for fixing a pneumatic push rod 32, a push rod 32, and a copper pipe heating assembly 50, an oil pressure clamping assembly 52, a bent pipe round die 53, a bent pipe pressing die 54, a pipe hole shaping mandrel assembly 55 and a pipe hole shaping mandrel advancing and retreating assembly 56 which are fixedly connected with a bent pipe mounting seat 51, wherein one end of the pipe hole shaping mandrel advancing and retreating assembly 56 is connected with a four-way gas-liquid control pipeline rotary joint 59 through threads, one end of the four-way gas-liquid control pipeline rotary joint 59 is fixedly provided with a servo drive bent pipe motor 57, and the surface of the servo drive bent pipe motor 57 is provided with a bent pipe speed reducer 58 and a servo motor.

Referring to fig. 1-3, the circular rotary cutting mechanism 4 is provided with a cutter lubrication pipeline system, and the cutter lubrication pipeline system and the elbow lubrication pipeline system are connected with the lubrication system of the control box 8, so as to ensure the lubricity of the cutter assembly 43, and further improve the cutting quality of the elbow, the servo numerical control automatic elbow mechanism 5 is provided with an elbow lubrication pipeline system, and the elbow lubrication pipeline system is connected with the lubrication system of the control box 8, so as to ensure the smoothness of the bending movement of the elbow and avoid the surface from being greatly worn, the wedge-shaped height adjusting mechanism 511 comprises an inclined wedge plate 512, a chute plate 513, a connecting plate 516, a cylinder 515, a lifting mounting base plate 514 and a limit locking assembly, and is used for adjusting the height of the center of the copper pipe of the elbow inlet and the front-section servo numerical control feeding and returning mechanism 3, the circular rotary cutting mechanism 4 and the short U-pipe pushing mechanism 6 to be consistent when different bending radius specifications are switched.

Referring to fig. 1 and 2, an integral machine table 7, a multi-roll horizontal straightening mechanism 1, a multi-roll vertical straightening mechanism 2, an annular rotary cutting mechanism 4, a servo numerical control automatic pipe bending mechanism 5, a servo numerical control feeding and discharging mechanism 3 and a short U-tube pushing and dropping mechanism 6 are electrically connected with a control box 8 through a lead, an electric control system, a hydraulic control system, a pneumatic control system and a lubricating system which are matched with each other are arranged inside the control box 8, the multiple mechanisms can be controlled and managed in a centralized manner through the arranged electric control system, the hydraulic control system, the pneumatic control system and the lubricating system, production automation is improved, a belt pulley is arranged at the output end of a rotary driving motor 42, a belt is connected to the surface of the belt pulley in a contact manner, a belt tensioning assembly 45 is connected to the side surface of the rotary driving motor 42 in a sliding manner, the tensioning degree of the belt can be adjusted automatically, the service life of the belt is prolonged, and the driving stability of the rotary driving motor 42 is ensured.

When the automatic short U-shaped pipe bending forming machine set without generating scraps works, firstly cutting a spiral coil pipe, then contacting one end of a copper pipe with a multi-roller horizontal straightening mechanism 1 from left to right, releasing residual stress in the horizontal direction of a pipe blank through the multi-roller horizontal straightening mechanism 1, then conveying the copper pipe to the right after being straightened by the multi-roller horizontal straightening mechanism 1, releasing the residual stress in the vertical direction of the pipe blank through a multi-roller vertical straightening mechanism 2, straightening the copper pipe, then feeding the copper pipe into a servo numerical control feeding and discharging mechanism 3, clamping the copper pipe through a first pneumatic clamping component 35, starting a servo driving motor 34 to drive a ball screw 32 to rotate clockwise and feed the copper pipe to the right, then starting a servo driving component 35 to drive the ball screw 32 to rotate anticlockwise, driving the first pneumatic clamping component 35 to move leftwards and reset, then starting a pneumatic cutter component 44, cutting the right end of the copper pipe through a cutter component 43, after cutting, feeding the cut copper pipe into a numerical control automatic feeding and discharging mechanism 3 to feed the copper pipe into a servo automatic U-shaped pipe bending forming machine set 5 without generating scraps, and drying the copper pipe, and the copper pipe High automation degree, fast switching of product specifications, environmental protection, energy conservation and the like.

The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an automatic pipe bending machine group of short U type pipe that does not produce bits end, includes whole board (7), its characterized in that: the upper surface of whole board (7) fixed surface installs multi-roll horizontal straightening mechanism (1), multi-roll vertical straightening mechanism (2), annular rotary cutting mechanism (4) and servo numerical control automatic pipe bending mechanism (5), the fixed surface of annular rotary cutting mechanism (4) installs servo numerical control feeding and returning mechanism (3) and short U pipe pushing mechanism (6), annular rotary cutting mechanism (4) is provided with mounting base (41), the fixed surface of mounting base (41) installs pneumatic feed subassembly (44), the fixed surface of pneumatic feed subassembly (44) installs rotary driving motor (42), the output of rotary driving motor (42) rotates and is connected with cutter subassembly (43), the fixed surface of mounting base (41) is connected with first slide rail (33) and second slide rail (61), the fixed surface of first slide rail (33) is connected with two mounting base plates (31), and the fixed surface of two mounting base plates (31) respectively has first pneumatic clamping subassembly (35) and second pneumatic clamping subassembly (36), the side fixed surface of mounting base plate (31) is connected with ball screw thread screw (32) through servo screw rod (32), the push rod (32) is connected with second pneumatic feed cylinder (64), the automatic pipe bending machine is characterized in that an output end of the push rod jacking cylinder (64) is fixedly provided with a push pipe blanking cylinder (65), an output end of the push pipe blanking cylinder (65) is fixedly provided with a push pipe rod (63), the surface of the push pipe rod (63) is connected with a slider connecting plate (62), the servo numerical control automatic pipe bending mechanism (5) comprises a bent pipe mounting seat (51) and a wedge-shaped height adjusting mechanism (511), and a copper pipe heating assembly (50), an oil pressure clamping assembly (52), a bent pipe round die (53), a bent pipe pressing die (54), a pipe hole shaping mandrel assembly (55) and a pipe hole shaping mandrel advancing and retreating assembly (56) which are fixedly connected with the bent pipe mounting seat (51), one end of the pipe hole shaping mandrel advancing and retreating assembly (56) is connected with a four-way gas-liquid control pipeline rotary joint (59) through threads, one end of the four-way gas-liquid control pipeline rotary joint (59) is fixedly provided with a servo drive bent pipe motor (57), and the surface of the servo drive bent pipe motor (57) is provided with a bent pipe speed reducer (58) and a servo motor.

2. The automatic pipe bending machine set for short U-shaped pipes without generating scraps as claimed in claim 1, wherein: the automatic pipe bending machine is characterized in that the whole machine table (7), the multi-roller horizontal straightening mechanism (1), the multi-roller vertical straightening mechanism (2), the annular rotary cutting mechanism (4), the servo numerical control automatic pipe bending mechanism (5), the servo numerical control feeding and returning mechanism (3) and the short U-shaped pipe pushing and falling mechanism (6) are electrically connected with a control box (8) through a wire, and an electric control system, a hydraulic control system, a pneumatic control system and a lubricating system which are matched with one another are arranged inside the control box (8).

3. The automatic pipe bending and forming machine set for short U-shaped pipes without generating scraps as claimed in claim 1, wherein: the output of rotary drive motor (42) is equipped with the belt pulley, and the surface contact of belt pulley is connected with the belt, the side sliding connection of rotary drive motor (42) has belt tensioning subassembly (45).

4. The automatic pipe bending and forming machine set for short U-shaped pipes without generating scraps as claimed in claim 1, wherein: the annular rotary cutting mechanism (4) is provided with a cutter lubrication pipeline system, and the cutter lubrication pipeline system and the bent pipe lubrication pipeline system are connected with a lubrication system arranged in the control box (8).

5. The automatic pipe bending and forming machine set for short U-shaped pipes without generating scraps as claimed in claim 2, wherein: the servo numerical control automatic pipe bending mechanism (5) is provided with a pipe bending lubrication pipeline system, and the pipe bending lubrication pipeline system is connected with a lubrication system arranged in the control box (8).

6. The automatic pipe bending machine set for short U-shaped pipes without generating scraps as claimed in claim 2, wherein: the wedge-shaped height-adjusting mechanism (511) comprises a wedge-shaped plate (512), a sliding groove plate (513), a connecting plate (516), an air cylinder (515), a lifting mounting base plate (514) and a limiting and locking assembly.