CN206316192U - CNC tube bending machine - Google Patents

Abstract

The utility model discloses a numerically controlled pipe bending machine, which is characterized in that it comprises a machine frame, a feeding assembly, a feeding device, a machine head assembly, a mold changing assembly, a sliding cam assembly and a CNC operating system, and the top of the machine frame is equipped with There are two first slide rails, the feed assembly is installed on the first slide rail, the feeding device is set on the feed assembly, the mold change assembly is set at the same end of the frame, and the head assembly is set on the mold change assembly and is flexibly connected with the mold change assembly through the cylinder, the sliding profile assembly is set on the top of the head assembly, and the CNC operating system is set on the top of the frame. The utility model has the advantages of simple structure, high processing precision, low processing cost, high efficiency and safe use, and is suitable for processing welding joints, valve cores and other pipe fittings.

Description

CNC pipe bender

technical field

The utility model relates to the technical field of pipe bending machines, in particular to a numerically controlled pipe bending machine suitable for processing welding joints, valve cores and other pipe fittings.

Background technique

In the path of transportation and connection, the pipeline is an indispensable connector. For example, in the pipeline transportation of liquid, gas and other media, the elbow is an indispensable connector to change the direction of the pipeline and facilitate transportation. Many places have a great demand for bent pipes, and the requirements for bent pipes are different. Some have special requirements for installation space, such as the smaller the space size, the better, so that the installation of bent pipes is required to be more compact, and the demand is more big.

In the existing pipe bending machine, when the pipe fittings welded with joints and valve cores need to be bent, the traditional method is to increase the die position of the pipe bending machine, which not only results in high processing costs, but also low efficiency.

Utility model content

The purpose of the utility model is to solve the above-mentioned deficiencies and provide a CNC pipe bending machine with simple structure, high processing precision, low processing cost, high efficiency and safe use, which is suitable for processing welding joints, valve cores and other pipe fittings.

The utility model is achieved in that:

A numerical control pipe bending machine is characterized in that it includes a frame, a feed assembly, a feeding device, a head assembly, a mold change assembly, a sliding profiling assembly and a CNC operating system, and the top of the frame is provided with two The first slide rail, the feeding assembly is installed on the first slide rail, the feeding device is arranged on the feeding assembly, the mold changing assembly is arranged at the same end of the frame, and the head assembly is arranged on the changing The mold assembly is movably connected with the mold changing assembly through the cylinder, the sliding cam assembly is arranged on the top of the head assembly, and the CNC operating system is arranged on the top of the frame.

Further preferably, the feed assembly includes a feed platform, a feed reduction motor, a rack and pinion, and at least two positioning blocks, the bottom of the feed platform is provided with a slider that matches the first slide rail, and the feed platform The slider is installed on the first slide rail, the feed reduction motor is arranged on the feed platform, the rack and pinion is arranged on the top of the frame and between the two first slide rails, and the feed reduction motor main shaft is There are gears, the gears and the rack and pinion are meshed with each other, and the feed platform can move forward and backward on the first slide rail through the feed reduction motor and the rack and pinion. between the first rails. The rack and pinion is driven by the feed reduction motor, and the forward and backward movement of the mechanism is realized with the first slide rail as the guide.

Further preferably, the feeding device includes a feeding reduction motor, a feeding spindle, a feed clamp cylinder and a connecting rod booster mechanism, the feeding reduction motor is arranged on the feed platform, one end of the feeding spindle is connected with the feeding reduction motor, and the feeding spindle The other end is provided with a material clamping die, the material clamp cylinder is set on one side of the feeding deceleration motor, the connecting rod booster is arranged at the front end of the feeding deceleration motor and connected with the feeding deceleration motor, the air rod of the material clamping cylinder and the connecting rod booster Power Mechanism Connection. The feeding deceleration motor drives the feeding spindle to rotate, and the clamping cylinder realizes the loosening and clamping of the clamping mold by driving the connecting rod booster mechanism.

Further preferably, the head assembly includes a pipe bending motor, a main shaft, a headstock and a double-stroke cylinder, the headstock is installed on the mold changing assembly, the pipe bending motor is arranged at the bottom of the headstock, and the pipe bending motor It is connected with the headstock through the main shaft, the top of the headstock is provided with a fourth slide rail, and the double-stroke cylinder is arranged at the bottom of the headstock. The pipe bending motor is used as the power, and it is driven by a sprocket to realize the rotation of the main shaft. The double-stroke cylinder realizes the full and half retraction of the profiling.

Further preferably, the mold change assembly includes a mold change holder, a left and right moving cylinder and a first up and down mold change cylinder, the mold change holder is installed at one end of the frame, and a fifth slide rail is provided on the mold change holder , the left and right moving cylinders are arranged on the horizontal direction at the bottom of the mold changing holder, and the first up and down mold changing cylinders are arranged under the mold changing holder. Driven by the first up and down mold change cylinder, the slide rail is the guide to realize the up and down movement of the head assembly, driven by the left and right mold change cylinder, and the fifth slide rail is the guide to realize the left and right movement of the head assembly.

Further preferably, the sliding cam assembly includes a second upper and lower mold changing cylinder, a sliding cam plate, an auxiliary push cylinder, a cam connecting plate and a sliding cam seat, the bottom of the sliding cam seat is provided with a slide block and passed through The slider is installed on the fourth slide rail, and a second slide rail is provided on the front side of the sliding template in the horizontal direction. A third slide rail is provided, and the cam connecting plate is movably connected with the third slide rail. The second up and down mold changing cylinder is arranged on the sliding cam, the cam connecting plate is provided with a cam, and the second up and down mold changing cylinder The cylinder is connected with the template connecting plate, one end of the auxiliary pushing cylinder is connected with the sliding cam base, and the other end of the auxiliary pushing cylinder is connected with the sliding template. By setting the second up and down mold changing cylinder on the sliding cam assembly, the auxiliary push cylinder realizes the forward and backward movement of the cam, and realizes the independent up and down mold changing of the cam. Models of different specifications. By changing the upper and lower molds of the profiling, the product that could only be completed with a three-layer mold can now be completed with a two-layer mold, and the efficiency is greatly improved.

Further preferably, the profile includes a first profile and a second profile.

Further preferably, grooves are provided on the master form.

The outstanding substantive features and remarkable progress of the utility model are:

The numerical control pipe bending machine of the utility model has the advantages of simple structure, high processing precision, low processing cost, high efficiency and safe use, and is suitable for processing pipe fittings such as welded joints and valve cores. And by setting the second up and down mold changing cylinder on the sliding cam assembly, the auxiliary push cylinder realizes the forward and backward movement of the cam, and realizes the independent up and down mold changing of the cam. Two profiles of different specifications; by changing the profile up and down, the product that could only be completed with a three-layer mold can now be completed with a two-layer mold, and the processing efficiency is greatly improved.

Description of drawings

Fig. 1 is the schematic diagram of the main structure of the CNC pipe bending machine of the present invention;

Fig. 2 is a schematic structural diagram of the feed assembly 2 of the present invention;

Fig. 3 is a schematic structural diagram of the utility model feeding device 3;

Fig. 4 is the structural diagram of head assembly 4 of the present utility model;

Fig. 5 is a schematic structural diagram of the mold changing assembly 5 of the present invention;

Fig. 6 is a schematic structural diagram of the sliding cam assembly 6 of the present invention.

Part names in the picture:

Frame 1, feed assembly 2, feeding device 3, machine head assembly 4, mold change assembly 5, sliding profile assembly 6, CNC operating system 7, first slide rail 8, feed platform 21, feed deceleration Motor 22, rack and pinion 23, positioning block 24, slide block 25, feeding reduction motor 31, feeding spindle 32, material clamping mold 33, material clamping cylinder 34, connecting rod booster mechanism 35, pipe bending motor 41, main shaft 42, Headstock 43, fourth slide rail 44, double-stroke cylinder 45, mold change holder 51, fifth slide rail 52, left and right moving cylinder 53, first up and down mold change cylinder 54, second up and down mold change cylinder 61, slide Formwork 62, the second slide rail 63, auxiliary pushing cylinder 64, the third slide rail 65, form connecting plate 66, the first form 67, the second form 68, sliding form base (69).

detailed description

In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the utility model. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", etc. or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation , so it cannot be interpreted as a limitation of the present utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "under" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

Describe the implementation structure of the present utility model below in conjunction with accompanying drawing and embodiment.

Example 1

As an embodiment of the present utility model, as shown in Figure 1, a numerically controlled pipe bending machine includes a frame 1, a feed assembly 2, a feeding device 3, a head assembly 4, a die change assembly 5, and a slide arm assembly 6 and the CNC operating system 7, two first slide rails 8 are arranged on the top of the frame 1, the feed assembly 2 is installed on the first slide rails 8, the feeding device 3 is arranged on the feed assembly 2, and the module change Part 5 is set at the same end of the frame 1, the head assembly 4 is set on the mold change assembly 5 and is flexibly connected with the mold change assembly 5 through the cylinder, the sliding cam assembly 6 is set on the top of the head assembly 4, and the CNC The operating system 7 is arranged on the top of the rack 1 .

As shown in Figure 2, the feed assembly 2 includes a feed platform 21, a feed reduction motor 22, a rack and pinion 23 and at least two positioning blocks 24, the bottom of the feed platform 21 is provided with a Slide block 25, feed platform 21 is installed on the first slide rail 8 by slide block 25, feed reduction motor 22 is arranged on the feed platform 21, and pinion rack 23 is arranged on frame 1 top and is positioned at two first Between the slide rails 8, a gear is provided on the main shaft of the feed reduction motor 22, and the gear and the rack and pinion 23 are engaged with each other. Fore and aft movement, the positioning blocks 24 are respectively arranged at both ends of the top of the frame 1 and between the two first slide rails 8, the rack and pinion are driven by the feed reduction motor, and the front and rear of the feed assembly is realized with the first slide rail as the guide sports.

As shown in Figure 3, feeding device 3 comprises feeding deceleration motor 31, feeding main shaft 32, material clip cylinder 34 and connecting rod booster mechanism 35, and feeding deceleration motor 31 is arranged on the feed platform 21, and one end of feeding main shaft 32 is connected with feeding Geared motor 31 is connected, and the other end of feeding main shaft 32 is provided with material folder mold 33, and material folder cylinder 34 is arranged on the side of feeding geared motor 31, and connecting rod booster mechanism 35 is arranged on the front end of feeding geared motor 31 and is connected with feeding geared motor. 31 connection, the gas rod of the clamping cylinder 34 is connected with the connecting rod boosting mechanism 35, the feeding reduction motor drives the feeding spindle to rotate, and the clamping cylinder drives the connecting rod boosting mechanism to realize the loosening and clamping of the processing pipe by the clamping die. tight.

As shown in Figure 4, the head assembly 4 includes a pipe bending motor 41, a main shaft 42, a head base 43 and a double-stroke cylinder 45, the head base 43 is installed on the mold changing assembly 5, and the pipe bending motor 41 is arranged on the machine head The bottom of seat 43, pipe bending motor 41 is connected with headstock 43 by main shaft 42, and the top of headstock 43 is provided with the 4th slide rail 44, and double stroke cylinder 45 is arranged on the bottom of headstock 43, and pipe bending motor is power , Equipped with sprocket drive to realize the rotation of the main shaft, and process the pipe fittings through the rotation of the main shaft. The double-stroke cylinder realizes the full retreat and half retreat of the profiling.

As shown in Figure 5, the mold change assembly 5 includes a mold change holder 51, a left and right moving cylinder 53 and a first up and down mold change cylinder 54, the mold change holder 51 is installed on one end of the frame 1, and the mold change holder 51 The fifth slide rail 52 is provided, and the left and right moving cylinders 53 are arranged on the horizontal direction at the bottom of the mold changing holder 51, and the first up and down mold changing cylinders 54 are arranged under the mold changing holder 51, driven by the first up and down mold changing cylinders. , the slide rail is the guide to realize the up and down movement of the head assembly, driven by the left and right mold changing cylinders, and the fifth slide rail is the guide to realize the left and right movement of the head assembly.

As shown in Figure 6, the sliding cam assembly 6 includes a second up and down mold changing cylinder 61, a sliding cam template 62, an auxiliary pushing cylinder 64, a cam connecting plate 66 and a sliding cam seat 69, and the bottom of the sliding cam seat 69 A slide block is provided and installed on the fourth slide rail 44 by the slide block. A second slide rail 63 is provided on the front side of the slide template 62 horizontally. Connect, slide against template 62 and be provided with the 3rd slide rail 65 vertically on the opposite side of template, template connecting plate 66 is flexibly connected with the 3rd slide rail 65, the second up and down mold changing cylinder 61 is arranged on slide against template 62, the second The cylinder of the mold changing cylinder 61 is connected with the former connecting plate 66 up and down, and the former is provided with the former on the former connecting plate 66, and one end of the auxiliary pushing cylinder 64 is connected with the sliding former seat 69, and the other end of the auxiliary pushing cylinder 64 is connected with the sliding leaning plate. The template 62 is connected, and the former includes a first former 67 and a second former 68. The former is provided with a groove, and the welded joint or valve core in the pipe fitting can be put into the groove to process the pipe fitting. The second up and down mold change cylinder is set on the mold assembly, and the auxiliary push cylinder realizes the forward and backward movement of the master mold, and realizes the independent up and down mold change of the mold. Profiling: By changing the mold up and down, the product that could only be completed with a three-layer mold can now be completed with a two-layer mold, and the efficiency is greatly improved.

The above descriptions of the disclosed embodiments are only intended to enable those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A numerically controlled pipe bender, characterized in that it comprises a frame (1), a feed assembly (2), a feeding device (3), a head assembly (4), a mold change assembly (5), a sliding arm Die assembly (6) and CNC operating system (7), the top of the frame (1) is provided with two first slide rails (8), and the feed assembly (2) is installed on the first slide rail (8) above, the feeding device (3) is set on the feed assembly (2), the die change assembly (5) is set at the same end of the frame (1), and the head assembly (4) is set on the change on the die assembly (5) and is flexibly connected with the die change assembly (5) through the cylinder, the sliding cam assembly (6) is arranged on the top of the head assembly (4), and the CNC operating system (7) is set on top of the rack (1). 2. The CNC pipe bender according to claim 1, characterized in that, the feed assembly (2) comprises a feed platform (21), a feed reduction motor (22), a rack and pinion (23) and at least Two positioning blocks (24), the bottom of the feed platform (21) is provided with a slide block (25) that matches the first slide rail (8), and the feed platform (21) is installed on the On the first slide rail (8), the feed reduction motor (22) is arranged on the feed platform (21), and the rack and pinion (23) is arranged on the top of the frame (1) and is located on the two first slide rails (8). ), the feed reduction motor (22) main shaft is provided with a gear, and the gear and the rack and pinion (23) are meshed with each other, and the feed platform (21) is connected to the rack and pinion (22) by the feed reduction motor (22) 23) It can move back and forth on the first slide rails (8), and the positioning blocks (24) are respectively arranged at both ends of the top of the frame (1) and between the two first slide rails (8). 3. The CNC pipe bender according to claim 1, characterized in that, the feeding device (3) includes a feeding reduction motor (31), a feeding spindle (32), a clamp cylinder (34) and a connecting rod booster mechanism (35), the feed reduction motor (31) is arranged on the feed platform (21), one end of the feed spindle (32) is connected with the feed reduction motor (31), and the other end of the feed spindle (32) is provided with a material clip Die (33), material clip cylinder (34) is arranged on the side of feeding reduction motor (31), and connecting rod booster mechanism (35) is arranged on the front end of feeding reduction motor (31) and is connected with feeding reduction motor (31) , the air rod of the clamp cylinder (34) is connected with the connecting rod booster mechanism (35). 4. The numerical control pipe bending machine according to claim 1, characterized in that, the head assembly (4) comprises a pipe bending motor (41), a main shaft (42), a head seat (43) and a double-stroke cylinder ( 45), the headstock (43) is installed on the mold change assembly (5), the pipe bending motor (41) is arranged on the bottom of the headstock (43), the pipe bending motor (41) and the headstock ( 43) Connected by the main shaft (42), the top of the headstock (43) is provided with a fourth slide rail (44), and the double stroke cylinder (45) is arranged at the bottom of the headstock (43). 5. The numerical control pipe bending machine according to claim 1, characterized in that, the mold change assembly (5) includes a mold change holder (51), a left and right moving cylinder (53) and a first up and down mold change cylinder ( 54), the mold change holder (51) is installed on one end of the frame (1), the mold change holder (51) is provided with a fifth slide rail (52), and the left and right moving cylinder (53) is arranged on the mold change On the horizontal direction of the bottom of the fixed seat (51), the first up and down mold change cylinder (54) is arranged below the mold change fixed seat (51). 6. The numerical control pipe bending machine according to claim 1, characterized in that, the sliding cam assembly (6) comprises a second up and down die changing cylinder (61), a sliding cam (62), an auxiliary pushing cylinder ( 64), profiling connecting plate (66) and sliding profiling base (69), the bottom of described sliding profiling base (69) is provided with slide block and is installed on the 4th slide rail (44) by slide block, so The sliding leaner template (62) is provided with a second slide rail (63) on the front horizontal direction, and the sliding leaner template (62) is flexibly connected with the sliding template seat (69) by the second slide rail (63), and the sliding leaner template ( 62) The third slide rail (65) is arranged on the vertical direction on the reverse side, and the former connecting plate (66) is movably connected with the third slide rail (65). On the template (62), the cylinder of the second up and down mold changing cylinder (61) is connected with the former connecting plate (66), and the former is provided with the former on the former connecting plate (66), and one end of the auxiliary pushing cylinder (64) It is connected with the slide cam base (69), and the other end of the auxiliary pushing cylinder (64) is connected with the slide cam (62). 7. The numerical control pipe bending machine according to claim 6, characterized in that, the profile comprises a first profile (67) and a second profile (68). 8. The CNC pipe bending machine according to claim 7, wherein grooves are provided on the master form.