Special-shaped pipe expanding and contracting machine
By using hydraulic cylinders and auxiliary components in the irregular tube expander and shrinker, the equipment can be easily adjusted, solving the problem of increased costs caused by cylinder drive and improving the production efficiency of the equipment.
Patent Information
- Application Number
- CN202423013728.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-07
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-07
AI Technical Summary
Existing special-shaped tube expansion and reduction machines require cylinder drive when replacing the reduction tube or expansion head, which increases the production cost of the equipment.
The equipment is easily adjusted by manual operation using hydraulic cylinders and auxiliary components, reducing the use of cylinders.
It reduced the production and operating costs of the equipment and increased its production efficiency.
Smart Images

Figure CN223465447U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline processing equipment technical field especially relates to the special pipe expanding and reducing machine. BACKGROUND
[0002] The special pipe expanding and reducing machine is a kind of equipment with special purpose in the field of pipe processing, mainly used for expanding or reducing processing of special-shaped pipes (pipe materials with non-circular cross sections, such as square, rectangular, oval, etc.), and has a wide range of applications in the construction, automobile manufacturing, aerospace and other industries. In the construction industry, it can be used to process special-shaped pipes to meet the special structural connection requirements. It can effectively change the pipe diameter of special-shaped pipes, improve the processing precision and quality of pipes, and thus meet the diversified needs of different industries for special-shaped pipes.
[0003] The prior art such as the utility model with publication number CN216501970U discloses a special pipe expanding and reducing tool. The patent adopts a base, a clamping mechanism on the base for clamping and fixing the pipe, a forming mechanism for expanding and reducing the pipe clamped and fixed on the clamping mechanism, the clamping mechanism includes an upper clamp and a lower clamp matched with each other, a first driving member for driving the upper clamp and the lower clamp to separate or close, the upper clamp and the lower clamp form a fixing hole for matching and fixing the pipe to be processed when closed, the forming mechanism includes a forming die holder, the side of the forming die holder close to the clamping mechanism is provided with an expanding die and a reducing die, the side of the forming die holder away from the clamping mechanism is provided with a second driving member, and the forming mechanism further includes a third driving member for driving the expanding die and the reducing die to move horizontally. The special pipe expanding and reducing tool has simple structure and reasonable design, can realize integrated expanding and reducing of the pipe opening of special-shaped pipe, is convenient to operate and has high efficiency, solves the existing expanding and reducing process, a kind of needs to be completed through two processes or two devices, is time-consuming and laborious, and has low efficiency, and another kind is completed through expanding and reducing integrated machine, but it usually has the problems of complex structure, high manufacturing cost and inconvenient operation.
[0004] In the process of processing special-shaped pipes by means of the pipe expanding and reducing machine, there are existing processing equipment such as the above-mentioned, in order to replace the pipe reducing or expanding head, the replacement operation is carried out by adopting the driving mode of air cylinder. Since the air cylinder is controlled by electricity when in use, the cost of using the equipment is increased, and at the same time, due to the use of the air cylinder, the number of air cylinders to be installed during the production of the equipment is increased, which in turn leads to the problem of increasing the production cost of the equipment. UTILITY MODEL CONTENTS
[0005] The utility model aims to solve the problem of increasing the number of air cylinders to be installed during the production of the equipment due to the use of air cylinders in the prior art, and thus the production cost of the equipment is increased, and the special pipe expanding and reducing machine is proposed.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: the special-shaped pipe expanding and reducing machine, including fuselage, controller and hydraulic cylinder, the controller is installed on the side surface of fuselage, the hydraulic cylinder is installed on the upper surface of fuselage, the controller is electrically connected with hydraulic cylinder, the upper surface of fuselage is provided with clamping mechanism, the upper surface of fuselage is provided with auxiliary assembly, the surface of auxiliary assembly is installed with reamer, the surface of auxiliary assembly is installed with reamer;
[0007] The auxiliary assembly includes a support unit, the support unit includes a limiting shaft, the limiting shaft is rotatably connected with the inner wall of the fuselage, the upper surface of the limiting shaft is fixedly connected with a turntable, the upper surface of the turntable is fixedly connected with a mounting plate, and the arc surface of the turntable is provided with a clamping groove.
[0008] The auxiliary assembly further includes a restraint unit, the restraint unit includes an assembly frame, the assembly frame is fixedly connected with the upper surface of the fuselage, the inner wall of the assembly frame is slidably connected with a connecting frame, the side surface of the connecting frame is fixedly connected with a clamping pin, the clamping pin is inserted with the inner wall of the clamping groove, the inner wall of the connecting frame is threadedly connected with a threaded column, the arc surface of the threaded column is rotatably connected with a linkage plate, the lower surface of the linkage plate is fixedly connected with a protrusion, the protrusion is inserted with the inner wall of the connecting frame, and the upper surface of the threaded column is fixedly connected with a knob.
[0009] Preferably, the upper surface of the turntable is fixedly connected with a reinforcing rib, and the reinforcing rib is fixedly connected with the side surface of the mounting plate. The reinforcing rib can increase the structural strength between the mounting plate and the turntable, thereby improving the load bearing capacity of the mounting plate.
[0010] Preferably, the lower surface of the linkage plate is fixedly connected with a guide rod, and the inner wall of the connecting frame is fixedly connected with a damping washer. The guide rod can guide the moving direction of the linkage plate, so that the linkage plate always moves in the same straight line.
[0011] Preferably, the upper surface of the turntable is in contact with the upper surface of the fuselage, the reamer is fixedly connected with the side surface of the mounting plate, and the reamer is fixedly connected with the side surface of the mounting plate. The mounting plate can support the positions of the reamer and the reamer, so as to ensure that the reamer and the reamer are aligned to process the workpiece.
[0012] Preferably, the number of clamping pins is two, the two clamping pins are symmetrically arranged about the connecting frame, the clamping pins penetrate through the side surface of the assembly frame, the linkage plate is in contact with the upper surface of the assembly frame, and the protrusion is inserted with the inner wall of the assembly frame. The clamping pin can limit the position of the turntable in the locked state in cooperation with the clamping groove.
[0013] Preferably, the guide rods are in sliding connection with the inner wall of the assembly frame, the number of the guide rods is four, the four guide rods are arranged in a circumferential array about the threaded column, and the position of the linkage plate can be limited through cooperation of the threaded column and the adapter frame.
[0014] Preferably, the damping pads are in contact with the inner wall of the assembly frame, the number of the damping pads is two, the two damping pads are arranged in left-right symmetry about the adapter frame, and the position of the adapter frame can be constrained by the damping pads when the adapter frame is in the unlocked state.
[0015] Compared with the prior art, the utility model has the advantages and positive effects that:
[0016] In the utility model, the workpiece is placed in the inside of the clamping mechanism during processing, the controller is operated, the controller controls the work of the clamping mechanism, the clamping mechanism clamps the workpiece, when the workpiece is clamped, the controller is operated, the controller controls the work of the hydraulic cylinder, the hydraulic cylinder is electrified to drive the clamping mechanism, the clamping mechanism drives the workpiece to move, the workpiece approaches the hole reamer or the hole expander in the moving process, and the workpiece is expanded or shrunk under the action of the hole reamer or the hole expander, when the hole reamer is in the equipment processing area, and the workpiece needs to be expanded, the knob is counterclockwise rotated, the knob rotates the threaded column, the threaded column is engaged with the adapter frame, and the linkage plate is pulled upward, the linkage plate pulls the protruding block, the protruding block is separated from the adapter frame and the assembly frame, and the locking effect of the adapter frame is lost, then the knob is rotated, the knob pulls the adapter frame through the threaded column, the adapter frame pulls the pin, the pin is separated from the limiting groove and loses the limitation of the rotating disc, meanwhile, the rotating disc is rotated, the rotating disc is guided by the limiting shaft, and the hole reamer and the hole expander are rotated through the mounting plate, when the hole expander is rotated to the processing area and is aligned with the clamping mechanism, the knob is pushed, the knob pushes the adapter frame through the threaded column, the adapter frame pushes the pin into another limiting groove, the knob is clockwise rotated, the knob rotates the threaded column, and the threaded column pushes the linkage plate, the linkage plate pushes the protruding block into the adapter frame, so that the position of the adapter frame is locked through the assembly frame, so that the adjustment operation of the equipment is completed, the adjustment operation of the equipment is ensured to be convenient, and the equipment is adjusted by manual operation, thereby reducing the problems that the production cost and the use cost of the equipment are increased when the equipment is adjusted by the cylinder, and the production benefit of the equipment is improved. ACCURACY OF DRAWINGS
[0017] Figure 1 A perspective structure schematic view of the special-shaped pipe expanding and shrinking machine is provided for the utility model;
[0018] Figure 2 A side view structure schematic view of the special-shaped pipe expanding and shrinking machine is provided for the utility model;
[0019] Figure 3The utility model provides a heterogeneous expansion pipe pipe reducing machine's auxiliary assembly structure schematic diagram is provided.
[0020] Figure 4 The utility model provides a heterogeneous expansion pipe pipe reducing machine's auxiliary assembly section structure schematic diagram is provided.
[0021] Figure 5 The utility model provides a heterogeneous expansion pipe pipe reducing machine's Figure 4 The structure schematic diagram of A place in middle is provided.
[0022] Figure 6 The utility model provides a heterogeneous expansion pipe pipe reducing machine's auxiliary assembly local structure schematic diagram.
[0023] Legend:
[0024] 1, fuselage, 2, controller, 3, hydraulic cylinder, 4, clamping mechanism, 5, auxiliary assembly, 51, support unit, 511, limit axle, 512, carousel, 513, mounting plate, 514, reinforcing rib, 515, clamping groove, 52, binding unit, 521, assembly frame, 522, link frame, 523, bayonet, 524, threaded column, 525, linkage plate, 526, lug, 527, knob, 528, guide rod, 529, damping washer, 6, reamer, 7, reamer. Specific embodiments
[0025] Please refer to Figures 1-6 The utility model provides a technical scheme: a heterogeneous expansion pipe pipe reducing machine, including fuselage 1, controller 2 and hydraulic cylinder 3, controller 2 installs at the side surface of fuselage 1, and hydraulic cylinder 3 installs on the upper surface of fuselage 1, and controller 2 is electrically connected with hydraulic cylinder 3, and the upper surface of fuselage 1 is provided with clamping mechanism 4, and the upper surface of fuselage 1 is provided with auxiliary assembly 5, and the surface of auxiliary assembly 5 is installed with reamer 6, and the surface of auxiliary assembly 5 is installed with reamer 7.
[0026] In the embodiment, the auxiliary assembly 5 includes a support unit 51, the support unit 51 includes a limit axle 511, the limit axle 511 is rotatably connected with the inner wall of the fuselage 1, the upper surface of the limit axle 511 is fixedly connected with a carousel 512, the upper surface of the carousel 512 is fixedly connected with a mounting plate 513, and the arc surface of the carousel 512 is provided with a clamping groove 515.
[0027] The assisting assembly 5 further comprises a binding unit 52, the binding unit 52 comprises an assembling frame 521 fixedly connected with the upper surface of the fuselage 1, the inner wall of the assembling frame 521 is slidably connected with an adapter frame 522, the side surface of the adapter frame 522 is fixedly connected with a clamping pin 523, the clamping pin 523 is inserted with the inner wall of the clamping groove 515, the inner wall of the adapter frame 522 is threadedly connected with a threaded column 524, the arc surface of the threaded column 524 is rotatably connected with a linkage plate 525, the lower surface of the linkage plate 525 is fixedly connected with a protruding block 526, the protruding block 526 is inserted with the inner wall of the adapter frame 522, and the upper surface of the threaded column 524 is fixedly connected with a knob 527.
[0028] Specifically, the upper surface of the rotating disc 512 is fixedly connected with a reinforcing rib 514, the reinforcing rib 514 is fixedly connected with the side surface of the mounting plate 513, and the structural strength between the mounting plate 513 and the rotating disc 512 can be increased through the reinforcing rib 514, so that the bearing load of the mounting plate 513 is improved.
[0029] Specifically, the lower surface of the linkage plate 525 is fixedly connected with a guide rod 528, and the inner wall of the adapter frame 522 is fixedly connected with a damping gasket 529.
[0030] In this embodiment, the movement direction of the linkage plate 525 can be guided through the guide rod 528, so that the linkage plate 525 is always in the same straight line when moving.
[0031] Specifically, the rotating disc 512 is in contact with the upper surface of the fuselage 1, the reamer 6 is fixedly connected with the side surface of the mounting plate 513, the reamer 6 is fixedly connected with the side surface of the mounting plate 513, and the position of the reamer 6 and the reamer 7 can be supported through the mounting plate 513, so that the reamer 6 and the reamer 7 are aligned to process the workpiece.
[0032] In this embodiment, the number of clamping pins 523 is two, the two clamping pins 523 are symmetrically arranged about the adapter frame 522, the clamping pin 523 penetrates the side surface of the assembling frame 521, the linkage plate 525 is in contact with the upper surface of the assembling frame 521, and the protruding block 526 is inserted with the inner wall of the assembling frame 521.
[0033] In this embodiment, the position of the rotating disc 512 can be limited through the clamping pin 523 in the locked state in cooperation with the clamping groove 515.
[0034] Specifically, the guide rod 528 is slidably connected with the inner wall of the assembling frame 521, the number of guide rods 528 is four, the four guide rods 528 are circumferentially arranged about the threaded column 524, and the position of the linkage plate 525 can be limited through the cooperation of the threaded column 524 and the adapter frame 522.
[0035] Specifically, the damping pads 529 are in contact with the inner wall of the assembly frame 521, and the number of damping pads 529 is two, and the two damping pads 529 are symmetrically arranged about the adapter frame 522.
[0036] In the embodiment: through the damping pads 529, the position of the adapter frame 522 can be constrained by the assembly frame 521 when the adapter frame 522 is in the unlocked state. Working principle: when processing, the workpiece is placed in the inside of the clamping mechanism 4, the controller 2 is operated, the controller 2 controls the work of the clamping mechanism 4, the clamping mechanism 4 clamps the workpiece, when the workpiece is clamped, the controller 2 is operated, the controller 2 controls the work of the hydraulic cylinder 3, the hydraulic cylinder 3 is electrified to push the clamping mechanism 4, the clamping mechanism 4 pushes the workpiece to move, and the workpiece moves to approach the reamer 6 or the expander 7 in the process, and the workpiece is expanded or reduced under the action of the reamer 6 or the expander 7; when the reamer 6 is in the equipment processing area, and the workpiece needs to be expanded, the knob 527 is counterclockwise rotated, the knob 527 rotates the threaded column 524, the threaded column 524 is engaged with the adapter frame 522, and the linkage plate 525 is pulled upward, the linkage plate 525 pulls the protruding block 526, the protruding block 526 is separated from the adapter frame 522 and the assembly frame 521, and the locking effect on the adapter frame 522 is lost, then the knob 527 is rotated, the knob 527 pulls the adapter frame 522 in cooperation with the threaded column 524, the adapter frame 522 pulls the pin 523, the pin 523 is separated from the slot 515 and loses the restriction on the rotating disc 512, and at the same time, the rotating disc 512 is rotated, the rotating disc 512 is guided by the limiting shaft 511, and the reamer 6 and the expander 7 are rotated in cooperation with the mounting plate 513, when the expander 7 is rotated to the processing area and aligned with the clamping mechanism 4, the knob 527 is pushed, the knob 527 pushes the adapter frame 522 in cooperation with the threaded column 524, the adapter frame 522 pushes the pin 523 to be inserted into another slot 515, the knob 527 is clockwise rotated, the knob 527 rotates the threaded column 524, the threaded column 524 pushes the linkage plate 525, and the linkage plate 525 pushes the protruding block 526 into the adapter frame 522 under the guidance of the guide rod 528, so that the position of the adapter frame 522 is locked in cooperation with the assembly frame 521, to complete the adjustment operation of the equipment. Through the setting of the auxiliary assembly 5, the adjustment operation of the equipment is ensured to be convenient, and is performed by manual operation, thereby reducing the problem that the production cost and the use cost of the equipment are increased when the equipment is adjusted by the cylinder, and improving the production benefit of the equipment.
Claims
1. A special pipe expander and reducer machine comprising a machine body (1), a controller (2) and a hydraulic cylinder (3), characterized in that: The controller (2) is installed on the side surface of the fuselage (1), the hydraulic cylinder (3) is installed on the upper surface of the fuselage (1), the controller (2) is electrically connected with the hydraulic cylinder (3), the upper surface of the fuselage (1) is provided with a clamping mechanism (4), the upper surface of the fuselage (1) is provided with an auxiliary assembly (5), the surface of the auxiliary assembly (5) is provided with a reamer (6), and the surface of the auxiliary assembly (5) is provided with a reamer (7). The auxiliary assembly (5) comprises a supporting unit (51), the supporting unit (51) comprises a limiting shaft (511), the limiting shaft (511) is rotatably connected with the inner wall of the fuselage (1), the upper surface of the limiting shaft (511) is fixedly connected with a rotating disc (512), the upper surface of the rotating disc (512) is fixedly connected with a mounting plate (513), and the arc surface of the rotating disc (512) is provided with a clamping groove (515). The auxiliary assembly (5) further comprises a binding unit (52), the binding unit (52) comprises an assembly frame (521), the assembly frame (521) is fixedly connected with the upper surface of the fuselage (1), the inner wall of the assembly frame (521) is slidably connected with a connecting frame (522), the side surface of the connecting frame (522) is fixedly connected with a clamping pin (523), the clamping pin (523) is inserted with the inner wall of the clamping groove (515), the inner wall of the connecting frame (522) is threadedly connected with a threaded column (524), the arc surface of the threaded column (524) is rotatably connected with a linkage plate (525), the lower surface of the linkage plate (525) is fixedly connected with a protruding block (526), the protruding block (526) is inserted with the inner wall of the connecting frame (522), and the upper surface of the threaded column (524) is fixedly connected with a knob (527).
2. A tube expander-reducer according to claim 1, characterized in that: The upper surface of the rotating disc (512) is fixedly connected with a reinforcing rib (514), and the side surface of the mounting plate (513) is fixedly connected with the reinforcing rib (514).
3. The tube expander / reducer machine of claim 1 wherein: The lower surface of the linkage plate (525) is fixedly connected with a guide rod (528), and the inner wall of the connecting frame (522) is fixedly connected with a damping pad (529).
4. The tube expander / reducer machine of claim 1 wherein: The upper surface of the rotating disc (512) is in contact with the upper surface of the fuselage (1), the side surface of the mounting plate (513) is fixedly connected with the reamer (6), and the side surface of the mounting plate (513) is fixedly connected with the reamer (7).
5. The tube expander / reducer machine of claim 1 wherein: The number of clamping pins (523) is two, the two clamping pins (523) are symmetrically arranged about the connecting frame (522), the clamping pins (523) penetrate through the side surface of the assembly frame (521), the linkage plate (525) is in contact with the upper surface of the assembly frame (521), and the protruding block (526) is inserted with the inner wall of the assembly frame (521).
6. The tube expander / reducer machine of claim 3, wherein: The guide rod (528) is slidably connected with the inner wall of the assembly frame (521), and the number of guide rods (528) is four.
7. The tube expander / reducer machine of claim 3, wherein: The damping gaskets (529) are in contact with the inner wall of the assembling frame (521), and the number of the damping gaskets (529) is two, and the two damping gaskets (529) are symmetrically arranged about the connecting frame (522).
Citation Information
Patent Citations
Flaring and necking tool for special-shaped pipe
CN216501970U