Rotating assembly of pipe bending machine

Abstract

The utility model relates to the technical field of pipe bending equipment, in particular to a rotating assembly of a pipe bending machine, which comprises a lifting seat and a clamping die which are arranged on a pipe bending machine frame, an opening guide plate is arranged on the lifting seat, a rotating shaft is rotatably arranged on the guide plate, a connecting key is arranged on the rotating shaft, the middle part of the connecting key is a disconnected area, and the other end of the connecting key is connected with the clamping die. When the round pipe bending machine is used, round pipes are bent in batches, after the first batch of round pipes are machined, the rotating shaft is controlled to rotate through the driving part, and after rotation is completed, the round pipes are bent by adjusting the installation height of the rotating base on the rotating shaft and the installation positions of the clamping dies in the rotating base. According to the pipe bending machine, quick model changing is achieved, the machining efficiency is guaranteed, meanwhile, the machining quality of bent pipes can be guaranteed, and the machining cost and the rate of finished products are optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe bending equipment technical field especially relates to a rotating assembly of pipe bender. BACKGROUND

[0002] When the pipe bender works, the pipe to be processed is usually sleeved on the mandrel, one end of the pipe is clamped by the clamping die, and the pipe is bent by rotating the clamping die. The existing pipe bender has multiple clamps installed together to bend multiple pipes at the same time to improve efficiency.

[0003] For example, the Chinese patent with application number CN201621353303.2 discloses an efficient pipe bender. The pipe bending mechanism includes a torsion disc rotatably connected to the machine body and a clamping block slidingly connected to the machine body. The torsion disc is provided with a straight edge segment corresponding to the position of the clamping block, which greatly improves the production efficiency during pipe bending and prevents the pipe from moving during bending, thereby increasing the precision during pipe bending. However, in actual production applications, it is found that due to the weight of the mandrel and the vibration state of the pipe bender during operation, the upper pipe often falls into the lower clamping die. Multiple pipes are placed in the clamping area of one clamping die, which directly causes multiple pipes to be scrapped, and the processing cost and yield need to be optimized. SUMMARY

[0004] Therefore, the purpose of the utility model is to provide a rotating assembly of a pipe bender to solve the technical problem that in actual production applications, due to the weight of the mandrel and the vibration state of the pipe bender during operation, the upper pipe often falls into the lower clamping die, and multiple pipes are placed in the clamping area of one clamping die, which directly causes multiple pipes to be scrapped.

[0005] To achieve the above purpose, the utility model provides a rotating assembly of a pipe bender, which comprises a lifting seat and a clamping die provided on the frame of the pipe bender. An opening guide plate is provided on the lifting seat. A rotating shaft is rotatably installed on the guide plate. A connecting key is provided on the rotating shaft. The middle part of the connecting key is a disconnected area. There are two clamping dies. The rotating assembly further comprises:

[0006] A rotating seat is provided on the rotating shaft and can be adjusted in lifting. Two clamping dies are respectively adjustably provided on the two sides of the rotating seat.

[0007] A connecting seat is fixedly connected to one end of the guide plate. The middle part of the connecting seat is rotatably installed on the rotating shaft and placed in the disconnected area of the connecting key. The other end of the connecting seat is adjustably provided with a jet head.

[0008] A driving part is used to drive the rotating shaft to rotate.

[0009] An adjusting part for adjusting the installation position of the two clamp dies on the rotating base.

[0010] Further, the side end of the air jet head is rotatably arranged on one side of the connecting base and is fixed by a bolt.

[0011] Further, the air jet port of the air jet head faces the direction of the elbow groove of the clamp die.

[0012] Further, the driving part comprises:

[0013] A cylinder arranged on one side of the guide plate;

[0014] A connecting rod arranged on the output end of the cylinder, the connecting rod being slidably arranged in the opening of the guide plate;

[0015] A rack fixedly connected to the lower end of the connecting rod;

[0016] A gear coaxially arranged on the rotating shaft, the gear being engaged with the rack.

[0017] Further, the lower end of the rotating base is provided with an extension segment, and the extension segment is provided with a bolt matched with the connecting key.

[0018] Further, sliding grooves are arranged on both sides of the rotating base, and the clamp dies are slidably arranged on the upper ends of the sliding grooves.

[0019] Further, the adjusting part comprises:

[0020] A threaded rod rotatably arranged on the inner wall of the sliding groove, the other end of the threaded rod penetrating through the rotating base and being provided with a rotating head;

[0021] A sliding block threadedly connected to the threaded rod, the sliding block being slidably arranged in the sliding groove, and the clamp die being detachably arranged on the sliding block through a bolt.

[0022] Further, the two clamp dies each comprise an elbow segment and a clamp straight segment, and the directions of the elbow segments of the two clamp dies are opposite.

[0023] The utility model discloses the beneficial effects that: when using, batched round pipe bending processing is carried out, after the first batch round pipe processing is finished, the rotating shaft is controlled to rotate through the driving part, and after rotating, the installation height of the rotating base on the rotating shaft and the installation position of the clamp die in the rotating base are adjusted, so that the clamp die on the other side is correspondingly installed to the die of the elbow bender, quick changeover is realized to guarantee the processing efficiency, the elbow processing quality is also guaranteed, and the processing cost and the yield are optimized. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to make the technical scheme of the present application or the prior art clearer, the following will briefly introduce the drawings needed in the embodiment or the prior art description. Obviously, the drawings in the following description are only the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0025] Figure 1 The structure schematic view of the present application;

[0026] Figure 2 The assembly schematic view of the rotating shaft and the driving part in the present application;

[0027] Figure 3 The installation state schematic view of the air jet head on the guide plate in the present application;

[0028] Figure 4 The assembly schematic view of the mold clamp, the rotating seat and the adjusting part in the present application.

[0029] The marks in the figure are:

[0030] 1, lifting seat; 2, mold clamp; 3, guide plate; 4, rotating shaft; 5, connecting key; 6, rotating seat; 7, connecting seat; 8, air jet head; 9, air cylinder; 10, connecting rod; 11, rack; 12, gear; 13, sliding groove; 14, threaded rod; 15, rotating head; 16, sliding block. DETAILED DESCRIPTION

[0031] In order to make the technical scheme of the present application or the prior art clearer, the following will briefly introduce the drawings needed in the embodiment or the prior art description. Obviously, the drawings in the following description are only the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0032] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by those skilled in the art to which the present application belongs. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connection" or "connection" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0033] The first aspect of the present application provides a rotating assembly of a pipe bending machine, which comprisesFigures 1-4 As shown, including the lifting seat 1 and clamp 2 on the pipe bending machine frame, the lifting seat 1 is provided with an open guide plate 3, the guide plate 3 is rotatably installed with a rotating shaft 4, the rotating shaft 4 is provided with a connecting key 5, the middle part of the connecting key 5 is a disconnected area, the clamp 2 has two, the rotating assembly further comprises:

[0034] The rotating seat 6 is provided on the rotating shaft 4 and can be adjusted up and down, and the two clamps 2 are respectively adjustably arranged on both sides of the rotating seat 6;

[0035] The connecting seat 7 is fixedly connected to one end of the guide plate 3, the middle part of the connecting seat 7 is rotatably installed on the rotating shaft 4 and placed in the disconnected area of the connecting key 5, and the other end of the connecting seat 7 is adjustably provided with a jet head 8;

[0036] The driving part is used to drive the rotating shaft 4 to rotate;

[0037] The adjusting part is used to adjust the installation position of the two clamps 2 on the rotating seat 6.

[0038] In this embodiment, when in use, two sets of clamps 2 of appropriate models are selected according to different batches of pipes to be processed, and are respectively installed on the two sides of the adjusting part on the rotating seat 6. After adjusting the installation position of the clamp 2 on the rotating seat 6 on this side, the jet head 8 with the adjusted angle sprays air to the clamp 2 above to quickly remove impurities or lubricating oil in the clamp groove, and then the pipe bending machine is started to drive the lifting seat 1 to move obliquely upward, so that the clamp 2 on this side cooperates with the fixed die on the pipe bending machine to clamp the pipe and then bend and rotate;

[0039] After the first batch of pipes is processed, the rotating shaft 4 is controlled to rotate by the driving part, and after rotation, the installation height of the rotating seat 6 on the rotating shaft 4 and the installation position of the clamp 2 in the rotating seat 6 are adjusted, so that the clamp 2 on the other side corresponds to the fixed die reinstalled on the pipe bending machine, realizing quick changeover to ensure processing efficiency, and also ensuring pipe bending processing quality, processing cost and product rate are optimized.

[0040] In this embodiment, as shown in Figure 1 , Figure 3 The side end of the jet head 8 is rotatably arranged on one side of the connecting seat 7 and is fixed by a bolt, the jet port of the jet head 8 faces the bending groove direction of the clamp 2, and the rotating angle of the jet head 8 is adjusted according to different specifications of the clamp 2 above the jet head 8 to ensure that the impurities or lubricants in the clamp groove of the clamp 2 may affect the quality of the bent pipe.

[0041] In this embodiment, as shown in Figure 2 ,

[0042] The cylinder 9 is arranged on one side of the guide plate 3;

[0043] A connecting rod 10 is arranged on the output end of the cylinder 9, and the connecting rod 10 is slidably arranged in the opening of the guide plate 3;

[0044] A rack 11 is fixedly connected to the lower end of the connecting rod 10;

[0045] A gear 12 is coaxially arranged on the rotating shaft 4, and the gear 12 is engaged with the rack 11, so that the connecting rod 10 is driven to slide in the opening of the guide plate 3 through the output end of the cylinder 9, and then the rack 11 is synchronously driven to slide, and the rotating shaft 4 is driven to rotate through the gear 12 engaged with the rack 11, thereby realizing the driving of the rotating shaft 4.

[0046] In the embodiment, as shown in the figure, Figure 4 the lower end of the rotating seat 6 is provided with an extension section, and a bolt with an end matched with the connecting key 5 is arranged on the extension section, so that the installation height of the rotating seat 6 on the rotating shaft 4 and the connecting key 5 can be adjusted by loosening or tightening the bolt.

[0047] In the embodiment, as shown in the figure, Figure 4 two sliding grooves 13 are arranged on the two sides of the rotating seat 6, and the clamping die 2 is slidably arranged at the upper end of the sliding groove 13, so that the clamping groove of the clamping die 2 can extend out of the side end of the rotating seat 6, thereby avoiding the damage of the rotating seat 6 in the process of clamping the elbow pipe.

[0048] In the embodiment, as shown in the figure, Figure 4 the adjusting part comprises:

[0049] A threaded rod 14 is rotatably arranged on the inner wall of the sliding groove 13, and the other end of the threaded rod 14 penetrates through the rotating seat 6 and is provided with a rotating head 15;

[0050] A sliding block 16 is threadedly connected to the threaded rod 14, and the sliding block 16 is slidably arranged in the sliding groove 13, and the clamping die 2 is detachably arranged on the sliding block 16 through a bolt, so that the position of the corresponding clamping die 2 can be adjusted by rotating the rotating head 15 to drive the threaded rod 14 to rotate in the sliding groove 13 and then through the sliding block 16.

[0051] In the embodiment, as shown in the figure, Figure 1 the two clamping dies 2 each comprise an elbow pipe section and a straight pipe clamping section, and the two clamping dies 2 are oppositely arranged, so that the two clamping dies 2 can be exchanged in position by rotating the rotating shaft 4.

[0052] It should be understood by those skilled in the art that the above discussion of any embodiment is only exemplary and is not intended to imply that the scope of the utility model includes the claims limited to these examples; under the concept of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as above, which are not provided in detail for the sake of brevity.

[0053] The present application is intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any and all such alternations, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A rotating assembly of a pipe bending machine, comprising a lifting seat (1) and a die holder (2) arranged on a frame of the pipe bending machine, characterized in that, The lifting seat (1) is provided with an open guide plate (3), the guide plate (3) is rotatably connected with a rotating shaft (4), the rotating shaft (4) is provided with a connecting key (5), the middle part of the connecting key (5) is a disconnected area, the clamp mold (2) has two, and the rotating assembly further comprises: A rotating seat (6) is arranged on the rotating shaft (4) and can be adjusted up and down, and the two clamp molds (2) are respectively arranged on the two sides of the rotating seat (6); One end of the connecting seat (7) is fixedly connected with the guide plate (3), the middle part of the connecting seat (7) is rotatably connected with the rotating shaft (4) and is arranged in the disconnected area of the connecting key (5), and the other end of the connecting seat (7) is adjustably provided with a jet head (8); A driving part for driving the rotating shaft (4) to rotate; An adjusting part for adjusting the mounting position of the two clamp molds (2) on the rotating seat (6).

2. A rotary assembly for a pipe bending machine according to claim 1, wherein The side end of the jet head (8) is rotatably arranged on one side of the connecting seat (7) and is fixed by bolt locking.

3. A rotary assembly for a pipe bender as defined in claim 2 wherein, The jet port of the jet head (8) faces the direction of the elbow groove of the clamp mold (2).

4. A rotary assembly for a pipe bender as defined in claim 1 wherein, The driving part comprises: A cylinder (9) arranged on one side of the guide plate (3); A connecting rod (10) arranged on the output end of the cylinder (9), the connecting rod (10) is slidably arranged in the opening of the guide plate (3); A rack (11) fixedly connected to the lower end of the connecting rod (10); A gear (12) coaxially arranged on the rotating shaft (4), the gear (12) is engaged with the rack (11).

5. A rotary assembly for a pipe bender as defined in claim 1 wherein, The lower end of the rotating seat (6) is provided with an extension segment, and the extension segment is provided with a bolt at the end matched with the connecting key (5).

6. A rotary assembly for a pipe bending machine according to claim 5 wherein, Sliding grooves (13) are formed in the two sides of the rotating seat (6), and the clamp mold (2) slides on the upper end of the sliding groove (13).

7. A rotary assembly for a pipe bending machine according to claim 6 wherein, The adjusting part comprises: A threaded rod (14) rotatably arranged on the inner wall of the sliding groove (13), the other end of the threaded rod (14) penetrates the rotating seat (6) and is provided with a rotating head (15); A sliding block (16) threadedly connected to the threaded rod (14), the sliding block (16) is slidably arranged in the sliding groove (13), and the clamp mold (2) is detachably arranged on the sliding block (16) through a bolt.

8. A rotary assembly for a pipe bender as defined in claim 1 wherein, The two clamp molds (2) each comprise an elbow segment and a clamp straight segment, and the two clamp molds (2) are oppositely arranged.

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