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CN-224222560-U - Clamping pushing assembly for pipe bending machine

CN224222560UCN 224222560 UCN224222560 UCN 224222560UCN-224222560-U

Abstract

The utility model discloses a clamping and pushing assembly for a pipe bending machine, which comprises a fixed base, a clamping seat and a linear driver, wherein the clamping seat is arranged on the fixed base and comprises a clamping seat slidably arranged on the fixed base and a guide rod penetrating through the clamping seat, one end of the guide rod is provided with a blocking part, the other end of the guide rod is provided with a clamping part, a clamping opening capable of opening and closing is formed between the clamping part and the clamping seat, a compression spring positioned between the blocking part and the clamping seat is sleeved on the guide rod, and a limiting part is fixed on the fixed base corresponding to the blocking part. When the linear driver drives the clamping seat to retract, the blocking part is abutted with the limiting part, the clamping seat continues to move to compress the compression spring, the clamping opening is opened, and when the linear driver drives the clamping seat to extend, the blocking part is separated from the limiting part, and the compression spring is reset to retract the clamping opening. The utility model realizes the uniform driving of clamping and pushing through mechanical linkage, does not need to separately arrange a clamping driving element, and has compact structure, simple control and coordinated and reliable action.

Inventors

  • ZHOU JIAYIN
  • LIU SHENGQI

Assignees

  • 浙江嘉达机械制造有限公司

Dates

Publication Date
20260512
Application Date
20260414

Claims (5)

  1. 1. A clamping and pushing assembly for a pipe bending machine is characterized by comprising a fixed base (1), a clamping seat (2) arranged on the fixed base (1) and used for receiving and clamping a pipe (17), a linear driver (3) connected with the clamping seat (2) and used for driving the clamping seat (2) to move relative to the fixed base (1), the clamping seat (2) comprises a clamping seat (4) slidably arranged on the fixed base (1) and a guide rod (5) penetrating through the clamping seat (4), one end of the guide rod (5) is provided with a blocking part (6), the other end of the guide rod is provided with a clamping part (7), the clamping part (7) and the clamping seat (4) are oppositely arranged to form an openable clamping opening (8), a compression spring (9) is sleeved on the guide rod (5), the compression spring (9) is positioned between the blocking part (6) and the clamping seat (4), a limiting part (10) is fixed on the fixed base (1) corresponding to the position of the blocking part (6), when the linear driver (3) drives the clamping seat (4) to drive the clamping part (10) to retract towards the compression spring (10) to enable the blocking part (10) to be pushed to move towards the limiting part (10), when the linear driver (3) drives the clamping seat (4) to move in a direction away from the limiting part (10), the blocking part (6) is separated from the limiting part (10), and the compression spring (9) resets to push the clamping seat (4) to return so as to enable the clamping part (7) and the clamping seat (4) to be folded relatively.
  2. 2. The clamping and pushing assembly for the pipe bending machine according to claim 1, wherein the guide rods (5) are arranged in two groups and symmetrically arranged on two sides of the clamping seat (4), and the compression springs (9) are arranged on the two guide rods (5).
  3. 3. The clamping and pushing assembly for the pipe bending machine according to claim 2 is characterized in that the clamping seat (4) comprises a positioning plate (11) arranged towards one side of the blocking portion (6), a positioning notch (12) is formed in the positioning plate (11), a movable hole corresponding to the positioning notch (12) is formed in the clamping seat (4), the guide rod (5) sequentially penetrates through the positioning notch (12) and the movable hole, and the compression spring (9) is limited between the positioning plate (11) and the blocking portion (6).
  4. 4. The clamping and pushing assembly for the pipe bending machine according to claim 1, further comprising a material frame (13) arranged on the fixed base (1), wherein a blanking port (14) arranged above the clamping seat (2) is arranged on the material frame (13), a baffle plate (15) is arranged at the top of the clamping seat (4), and when the linear driver (3) drives the clamping seat (4) to be separated from the material frame (13), the baffle plate (15) moves to the position below the blanking port (14) of the material frame (13) so as to block blanking of the blanking port (14).
  5. 5. The clamping and pushing assembly for the pipe bending machine according to claim 1, wherein guide rails (16) positioned on two sides of the clamping seat (2) are arranged on the fixed base (1), and a conveying channel for moving the clamping seat (2) is formed between the two guide rails (16).

Description

Clamping pushing assembly for pipe bending machine Technical Field The utility model relates to the technical field of pipe processing equipment, in particular to a clamping pushing assembly for a pipe bending machine. Background The pipe bender is processing equipment for bending a pipe into a required shape, and is widely applied to the fields of automobiles, aerospace, furniture, pipeline engineering and the like. In the pipe bending machine, the clamping pushing component is one of core functional modules and is used for receiving a pipe to be bent, clamping and fixing the pipe to be bent, and pushing the pipe to a forming die for bending forming. The clamping pushing assembly of the existing pipe bending machine usually adopts a design that an independent clamping mechanism is separated from a pushing mechanism, for example, pipe clamping is realized through a clamping jaw cylinder or a hydraulic clamp, pushing is realized through another set of driving device, the structure is complex, the manufacturing cost is high, the clamping action and the pushing action need to be controlled respectively, the control logic is complex, and the coordination between the two actions is difficult to ensure. Disclosure of utility model The utility model aims to overcome the defects and shortcomings in the prior art and provides a clamping and pushing assembly for a pipe bending machine. The clamping pushing assembly comprises a fixed base, a clamping seat, a linear driver, a blocking part, a pushing part and a compression spring, wherein the clamping seat is arranged on the fixed base and used for receiving and clamping a pipe, the linear driver is connected with the clamping seat and used for driving the clamping seat to move relative to the fixed base, the clamping seat comprises a clamping seat slidably arranged on the fixed base and a guide rod penetrating through the clamping seat, one end of the guide rod is provided with the blocking part, the other end of the guide rod is provided with the clamping part, the clamping part and the clamping seat are oppositely arranged to form an openable clamping opening, the compression spring is sleeved on the guide rod and is positioned between the blocking part and the clamping seat, a limiting part is fixed on the fixed base corresponding to the blocking part, when the linear driver drives the clamping seat to retract towards the limiting part, the blocking part is abutted with the limiting part, the clamping seat continues to move so as to force the compression spring to compress, and simultaneously, when the linear driver drives the clamping seat to move towards the direction far away from the limiting part, the blocking part is separated from the pushing part, and the compression spring is relatively retracted from the limiting seat. Through adopting above-mentioned technical scheme, through integrating grip slipper and linear drive to utilize the mechanical linkage of blocking part, spacing portion and compression spring, realized the unified drive of centre gripping and propelling movement function. When the linear driver drives the clamping seat to extend out, the compression spring resets to enable the clamping opening to automatically furl and clamp the pipe, and meanwhile, the clamping seat pushes the pipe to a working position. The structure does not need to separately set a driving element for clamping action, simplifies the whole structure, reduces the manufacturing cost, and has the advantages of simple control logic and coordinated and reliable action, wherein the clamping and pushing are completed by the same driver. As a preferable technical scheme of the utility model, the guide rods are provided with two groups and are symmetrically arranged on two sides of the clamping seat, and the compression springs are arranged on the two guide rods. By adopting the technical scheme, the two groups of springs synchronously work, so that the stability of opening and closing actions of the clamping opening and the stability of clamping the pipe are ensured, and meanwhile, the response speed and the reset reliability of the assembly are improved. As an optimal technical scheme, the clamp comprises a positioning plate arranged towards one side of the blocking part, a positioning notch is formed in the positioning plate, a movable hole corresponding to the positioning notch is formed in the clamp, the guide rod sequentially penetrates through the positioning notch and the movable hole, and the compression spring is limited between the positioning plate and the blocking part. As a preferable technical scheme of the utility model, the utility model further comprises a material frame arranged on the fixed base, wherein the material frame is provided with a blanking port positioned above the clamping seat, the top of the clamping seat is provided with a baffle, and when the linear driver drives the clamping seat to separate from the material frame, the baffle moves to the pos