CN221848440U - A clamping mechanism for forming pipe ends of pipe fittings - Google Patents

Abstract

The utility model relates to the technical field of pipe forming equipment, and specifically to a clamping mechanism for forming pipe ends of pipes, including a fixing frame, one end of the fixing frame is provided with two connecting shells, and the two connecting shells are opposite to each other, one side of the connecting shell is integrally formed with a semicircular groove, and the inner wall of the semicircular groove is evenly provided with a plurality of sliding through holes. In the utility model, a limiting mechanism is provided on the connecting shell, and the pipe is placed inside the limiting mechanism at the bottom, and a hydraulic cylinder is started, so that the connecting shell and the limiting mechanism at the top are moved, and then the two connecting shells are contacted, and then the pipe blocking mechanism is used to quickly adjust the position of the pipe, which is more convenient to use, and the two limiting mechanisms are used in combination to facilitate the rapid clamping and fixing of the pipe, and the two limiting mechanisms can clamp and fix pipes of different specifications and sizes, thereby improving the practicality of the clamping mechanism for forming the pipe ends of the pipe.

Description

A clamping mechanism for forming pipe ends of pipe fittings

Technical Field

The utility model relates to the technical field of pipe fitting forming equipment, in particular to a clamping mechanism for forming a pipe end of a pipe fitting.

Background Art

When processing pipe fittings, it is often necessary to expand and shrink the pipe ends, so as to facilitate the need for pipe end forming equipment. The pipe end forming machine is a processing and forming equipment that expands, shrinks and shrinks pipe fittings under normal conditions. It is controlled by an integrated touch display screen. Existing pipe end forming machines are all equipped with a clamping mechanism, which is used to clamp and fix the pipe fittings to be processed. However, the clamping mechanism of the existing pipe end forming machine generally uses a mold to clamp and fix pipe fittings of fixed size. When pipe fittings of different sizes need to be processed, the clamping mold needs to be replaced, which is inconvenient to use, affects the processing efficiency of pipe fittings, and has poor practicality.

Utility Model Content

The utility model aims to provide a clamping mechanism for forming the pipe end of a pipe fitting.

The purpose of the utility model can be achieved through the following technical solutions:

A clamping mechanism for forming pipe ends comprises a fixing frame, one end of which is provided with two connecting shells opposite to each other, one side of the connecting shell is integrally formed with a semicircular groove, and the inner wall of the semicircular groove is evenly provided with a plurality of sliding through holes, a limiting mechanism is matched with the connecting shell, a pipe blocking mechanism is provided at the other end of the fixing frame, a hydraulic cylinder is fixedly connected to the top of one end of the fixing frame, and the output end of the hydraulic cylinder passes through the side wall of the fixing frame and is fixedly connected to the connecting shell at the corresponding position, and one end of the inner bottom surface of the fixing frame is fixedly connected to the connecting shell at the corresponding position.

Furthermore, limiting holes are provided at four corner positions of the connecting shell, four limiting rods are fixedly connected to the inner bottom surface of the fixing frame, and the limiting rods are slidably connected to the limiting holes at corresponding positions.

Furthermore, the limiting mechanism includes a fixed block, one side of the fixed block is fixedly connected to an inner wall of the connecting shell, and the other side of the fixed block is provided with an arc groove, a plurality of limiting plates are evenly arranged inside the arc groove, one side of the limiting plate is provided with a rectangular groove, an inner wall of the arc groove is evenly fixedly connected to a plurality of limiting shells, and a plurality of compression springs are fixedly connected between an inner wall of the rectangular groove and an inner wall of the limiting shell, both ends of the limiting plate are wedge-shaped, a support plate is fixedly connected to the other side of the limiting plate, and the support plate is slidably connected to the sliding through hole at the corresponding position, and a pushing unit is provided on one side of the fixed block.

Furthermore, a rubber pad is fixedly connected to one side of the support plate, and the length of the rubber pad is the same as the length of the support plate.

Furthermore, the pushing unit includes a connecting plate, one end of the connecting plate is fixedly connected to an inner wall of the arc-shaped groove, one side of the connecting plate is fixedly connected to a motor 1, the output end of the motor 1 is fixedly connected to a screw rod, and one end of the screw rod is rotatably connected to the inner wall of the connecting shell, the outer wall of the screw rod is screwed and connected to a moving block, and one end of the moving block is slidably connected to an inner wall of the arc-shaped groove, the other end of the moving block is fixedly connected to an arc plate, the inner wall of the arc plate is evenly fixedly connected to a plurality of pushing blocks, and one end of the pushing block is wedge-shaped, and the wedge-shaped side of the pushing block is in extrusion contact with the wedge-shaped end of the limit plate at the corresponding position.

Furthermore, the tube blocking mechanism includes a rectangular shell, the top of the rectangular shell is fixedly connected to the inner top surface of the fixed frame, and a connecting notch is opened at one end of the bottom of the rectangular shell, an inner side wall of the rectangular shell is fixedly connected to motor 2, and the output end of motor 2 is fixedly connected to screw 2, the outer side wall of screw 2 is screwed and connected to a moving rod, one end of the moving rod is fixedly connected to a moving plate, and the moving plate is slidably connected to the connecting notch, and the bottom of the moving plate is fixedly connected to a baffle.

Furthermore, an L-shaped rod is fixedly connected to the outer wall of the baffle, a scale is fixedly connected to the fixing frame, and one end of the L-shaped rod is in contact with the scale.

Beneficial effects of the utility model:

1. By setting a limiting mechanism on the connecting shell, placing the pipe fitting inside the limiting mechanism at the bottom, and starting the hydraulic cylinder, the connecting shell and the limiting mechanism at the top are moved, so that the two connecting shells are in contact, and then the pipe blocking mechanism is used to quickly adjust the position of the pipe fitting, which is more convenient to use, and the two limiting mechanisms are used in combination to quickly clamp and fix the pipe fittings, and the two limiting mechanisms can clamp and fix pipe fittings of different specifications and sizes, thereby improving the practicality of the clamping mechanism for forming the pipe end of the pipe fitting.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described below in conjunction with the accompanying drawings.

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the connecting shell structure in the utility model;

Figure 3 is a schematic diagram of the structure of the limiting mechanism in the utility model;

FIG4 is a schematic diagram of the positional relationship between the limiting plate and the supporting plate in the utility model;

Figure 5 is a schematic diagram of the structure of the push unit in the utility model;

FIG. 6 is a schematic diagram of the structure of the pipe blocking mechanism in the utility model.

In the figure: 100, fixed frame; 110, hydraulic cylinder; 120, limit rod; 130, scale; 200, connecting shell; 201, limit hole; 202, semicircular groove; 203, sliding through hole; 300, limit mechanism; 310, fixed block; 311, arc groove; 320, limit plate; 321, rectangular groove; 330, support plate; 340, limit shell; 350, push unit; 3 51. arc plate; 352. push block; 353. connecting plate; 354. motor 1; 355. screw 1; 356. moving block; 360. compression spring; 370. rubber pad; 400. pipe blocking mechanism; 410. rectangular shell; 411. connecting notch; 420. motor 2; 430. screw 2; 440. moving rod; 450. moving plate; 460. baffle; 470. L-shaped rod.

DETAILED DESCRIPTION

The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-6, a clamping mechanism for forming pipe ends of pipe fittings includes a fixing frame 100, one end of the fixing frame 100 is provided with two connecting shells 200, and the two connecting shells 200 are opposite to each other, one side of the connecting shell 200 is integrally formed with a semicircular groove 202, and the inner wall of the semicircular groove 202 is evenly provided with a plurality of sliding through holes 203, a limiting mechanism 300 is matched with the connecting shell 200, and the other end of the fixing frame 100 is provided with a pipe blocking mechanism 400, the top of one end of the fixing frame 100 is fixedly connected with a hydraulic cylinder 110, and the output end of the hydraulic cylinder 110 passes through the side wall of the fixing frame 100 and is fixedly connected to the connecting shell 200 at the corresponding position, and one end of the inner bottom surface of the fixing frame 100 is connected with The connecting shell 200 at the corresponding position is fixedly connected. When in use, the clamping mechanism for forming the pipe end is installed and fixed at an appropriate position, and the pipe is placed inside the bottom limiting mechanism 300, and the hydraulic cylinder 110 is started to move the top connecting shell 200 and the limiting mechanism 300, so that the two connecting shells 200 are in contact, and then the pipe blocking mechanism 400 is used to quickly adjust the position of the pipe, which is more convenient to use. The two limiting mechanisms 300 are used in combination to quickly clamp and fix the pipe, and the two limiting mechanisms 300 can clamp and fix pipes of different specifications and sizes, thereby improving the practicality of the clamping mechanism for forming the pipe end of the pipe.

The four corners of the connecting shell 200 are provided with limiting holes 201, the inner bottom surface of the fixing frame 100 is fixedly connected with four limiting rods 120, and the limiting rods 120 are slidably connected with the limiting holes 201 at the corresponding positions, and the limiting rods 120 and the limiting holes 201 are used together to facilitate the auxiliary limiting of the top connecting shell 200, and the limiting mechanism 300 includes a fixing block 310, one side of the fixing block 310 is fixedly connected to an inner side wall of the connecting shell 200, and the other side of the fixing block 310 is provided with an arc groove 311, and a plurality of limiting plates 320 are evenly arranged inside the arc groove 311, and one side of the limiting plate 320 is provided with a plurality of limiting plates 320. A rectangular groove 321 is opened on the side, and a plurality of limit shells 340 are evenly fixedly connected to an inner side wall of the arc groove 311, and a plurality of compression springs 360 are fixedly connected between an inner side wall of the rectangular groove 321 and an inner side wall of the limit shell 340. Both ends of the limit plate 320 are wedge-shaped, and a support plate 330 is fixedly connected to the other side of the limit plate 320, and the support plate 330 is slidably connected to the sliding through hole 203 at the corresponding position. A pushing unit 350 is provided on one side of the fixed block 310, and a rubber pad 370 is fixedly connected to one side of the support plate 330, and the length of the rubber pad 370 is the same as that of the support plate 330. The clamping effect of the support plate 330 is improved. The pushing unit 350 includes a connecting plate 353, one end of the connecting plate 353 is fixedly connected to an inner wall of the arc groove 311, one side of the connecting plate 353 is fixedly connected to a motor 354, the output end of the motor 354 is fixedly connected to a screw 355, and one end of the screw 355 is rotatably connected to the inner wall of the connecting shell 200, the outer wall of the screw 355 is screwed and connected to a moving block 356, and one end of the moving block 356 is slidably connected to an inner wall of the arc groove 311, and the other end of the moving block 356 is fixedly connected to the arc plate 351, and the inner wall of the arc plate 351 is uniformly A plurality of push blocks 352 are fixedly connected, and one end of the push block 352 is wedge-shaped. The wedge-shaped side of the push block 352 is squeezed and contacted with the wedge-shaped end of the limit plate 320 at the corresponding position. By starting the motor 354, the motor 354 drives the screw 355 to rotate, so that the moving block 356, the arc plate 351 and the plurality of push blocks 352 are moved, and the moving plurality of push blocks 352 push the plurality of limit plates 320 to move, so that the support plate 330 and the rubber pad 370 are moved, so that the rubber pad 370 is squeezed and contacted with the outer wall of the pipe fitting, and the pipe fitting is quickly clamped and fixed.

The pipe blocking mechanism 400 includes a rectangular shell 410, the top of the rectangular shell 410 is fixedly connected to the inner top surface of the fixing frame 100, and a connecting notch 411 is opened at one end of the bottom of the rectangular shell 410, a second motor 420 is fixedly connected to an inner side wall of the rectangular shell 410, and a second screw 430 is fixedly connected to the output end of the second motor 420, and a moving rod 440 is screwed and connected to the outer side wall of the second screw 430, and a moving plate 450 is fixedly connected to one end of the moving rod 440, and the moving plate 450 is slidably connected to the connecting notch 411, and a baffle 46 is fixedly connected to the bottom of the moving plate 450 0, by starting the second motor 420, the second motor 420 is used to rotate the second screw 430, so that the moving rod 440, the moving plate 450 and the baffle 460 are moved, and the moving baffle 460 is used to push the pipe fitting, so as to facilitate the rapid adjustment of the position of the pipe fitting, the outer wall of the baffle 460 is fixedly connected with an L-shaped rod 470, and the fixed frame 100 is fixedly connected with a scale 130, and one end of the L-shaped rod 470 is in contact with the scale 130, and the L-shaped rod 470 and the scale 130 are used together to facilitate the observation of the moving distance of the pipe fitting.

Working principle: When in use, the clamping mechanism for forming the pipe end is installed and fixed at an appropriate position, and the pipe is placed inside the bottom limit mechanism 300, and the hydraulic cylinder 110 is started to make the two connecting shells 200 contact, and then the motor 420 is started to rotate the screw 430, so that the moving rod 440, the moving plate 450 and the baffle 460 are moved, and the moving baffle 460 is used to push the pipe, so as to facilitate the rapid adjustment of the position of the pipe, which is more convenient to use, and then the two motors 354 are started to use the electric The machine 354 drives the screw 355 to rotate, so that the moving block 356, the arc plate 351 and the multiple pushing blocks 352 are moved, and the multiple moving pushing blocks 352 are used to push the multiple limiting plates 320 to move, so that the support plate 330 and the rubber pad 370 are moved, so that the rubber pad 370 is squeezed and contacted with the outer wall of the pipe fitting, and then the pipe fitting is quickly clamped and fixed, and by adjusting the position of the support plate 330 and the rubber pad 370, the two limiting mechanisms 300 can clamp and fix pipe fittings of different specifications and sizes, thereby improving the practicality of the clamping mechanism for forming the pipe end of the pipe fitting.

In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

The above contents are merely examples and explanations of the present utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the present utility model.

Claims (7)

1. A clamping mechanism for forming pipe ends, comprising a fixing frame (100), characterized in that two connecting shells (200) are arranged at one end inside the fixing frame (100), and the two connecting shells (200) are opposite to each other, a semicircular groove (202) is integrally formed on one side of the connecting shell (200), and a plurality of sliding through holes (203) are evenly opened on the inner wall of the semicircular groove (202), a limiting mechanism (300) is matched with the connecting shell (200), a pipe blocking mechanism (400) is arranged at the other end inside the fixing frame (100), a hydraulic cylinder (110) is fixedly connected to the top of one end of the fixing frame (100), and the output end of the hydraulic cylinder (110) passes through the side wall of the fixing frame (100) and is fixedly connected to the connecting shell (200) at a corresponding position, and one end of the inner bottom surface of the fixing frame (100) is fixedly connected to the connecting shell (200) at a corresponding position. 2. A clamping mechanism for forming pipe ends according to claim 1, characterized in that limiting holes (201) are provided at the four corner positions of the connecting shell (200), four limiting rods (120) are fixedly connected to the inner bottom surface of the fixing frame (100), and the limiting rods (120) are slidably connected to the limiting holes (201) at corresponding positions. 3. A clamping mechanism for forming a pipe end according to claim 1, characterized in that the limiting mechanism (300) comprises a fixing block (310), one side of the fixing block (310) is fixedly connected to an inner side wall of the connecting shell (200), and the other side of the fixing block (310) is provided with an arc groove (311), a plurality of limiting plates (320) are evenly arranged inside the arc groove (311), one side of the limiting plate (320) is provided with a rectangular groove (321), and the arc groove An inner wall of (311) is evenly fixed with a plurality of limit shells (340), and a plurality of compression springs (360) are fixed between an inner wall of the rectangular groove (321) and an inner wall of the limit shell (340), both ends of the limit plate (320) are wedge-shaped, a support plate (330) is fixed to the other side of the limit plate (320), and the support plate (330) is slidably connected to the sliding through hole (203) at the corresponding position, and a pushing unit (350) is provided on one side of the fixed block (310). 4. A clamping mechanism for forming pipe ends according to claim 3, characterized in that a rubber pad (370) is fixedly connected to one side of the support plate (330), and the length of the rubber pad (370) is the same as the length of the support plate (330). 5. A clamping mechanism for forming pipe ends according to claim 3, characterized in that the pushing unit (350) comprises a connecting plate (353), one end of the connecting plate (353) is fixedly connected to an inner wall of the arc-shaped groove (311), one side of the connecting plate (353) is fixedly connected to a motor 1 (354), the output end of the motor 1 (354) is fixedly connected to a screw 1 (355), and one end of the screw 1 (355) is rotatably connected to the inner wall of the connecting shell (200), The outer wall of the screw rod (355) is screwed together with a moving block (356), and one end of the moving block (356) is slidably connected to an inner wall of the arc-shaped groove (311), and the other end of the moving block (356) is fixedly connected to an arc-shaped plate (351), and the inner wall of the arc-shaped plate (351) is evenly fixedly connected with a plurality of pushing blocks (352), and one end of the pushing block (352) is wedge-shaped, and the wedge-shaped side of the pushing block (352) is in extrusion contact with the wedge-shaped end of the limiting plate (320) at the corresponding position. 6. A clamping mechanism for forming pipe ends according to claim 1, characterized in that the pipe blocking mechanism (400) includes a rectangular shell (410), the top of the rectangular shell (410) is fixedly connected to the inner top surface of the fixing frame (100), and a connecting notch (411) is opened at one end of the bottom of the rectangular shell (410), an inner side wall of the rectangular shell (410) is fixedly connected to motor 2 (420), and the output end of motor 2 (420) is fixedly connected to screw 2 (430), the outer side wall of screw 2 (430) is screwedly connected to a moving rod (440), one end of the moving rod (440) is fixedly connected to a moving plate (450), and the moving plate (450) is slidably connected to the connecting notch (411), and the bottom of the moving plate (450) is fixedly connected to a baffle (460). 7. A clamping mechanism for forming pipe ends according to claim 6, characterized in that an L-shaped rod (470) is fixedly connected to the outer wall of the baffle (460), a scale (130) is fixedly connected to the fixing frame (100), and one end of the L-shaped rod (470) is in contact with the scale (130).