Locking device for water supply and drainage pipe fitting flaring machine
By designing a multi-point clamping locking device, the problems of clamp replacement and central axis instability in the existing technology are solved, realizing stable clamping and convenient maintenance of pipe fittings of different specifications.
Patent Information
- Application Number
- CN202423116819.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The existing locking device for flaring pipe fittings requires changing clamps when locking different specifications of pipe fittings, and it is difficult to ensure the stability of the central axis of the pipe fittings, resulting in a waste of manpower and time, and it is also difficult to guarantee the synchronization.
A locking device is designed, comprising a mounting platform mechanism, a transmission mechanism, a linkage mechanism, and a clamping and locking mechanism. The three mounting plate mechanisms are arranged in an equidistant circular array around the central axis of the cylinder. The driving cylinder drives the linkage and transmission mechanism to achieve multi-point clamping. The clamping components can stabilize the pipe from three directions and prevent the position of the central axis from changing.
It achieves stable clamping of pipe fittings of different specifications without the need to replace the clamps, improving clamping stability and synchronization, facilitating modular installation and disassembly, and simplifying maintenance.
Smart Images

Figure CN223699118U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipe fitting processing technical field, in particular to a locking device for water supply and drainage pipe fitting flaring machine. BACKGROUND
[0002] In the process of water supply and drainage pipe production and processing, water supply and drainage pipe fitting flaring machine is often used to expand the connecting end of the pipe fitting, and a matching locking device is needed to clamp and lock the pipe fitting to avoid pipe fitting movement when the pipe fitting flaring machine expands.
[0003] The existing water supply and drainage pipe fitting flaring machine locking device is driven by a cylinder or two opposite cylinders to clamp the pipe fitting. The locking device of this structure needs to replace the clamp to stably lock the pipe fitting when locking different specifications of pipe fittings. The process is more troublesome. When using a single cylinder locking device to clamp pipe fittings of different specifications, the center axis position of the pipe fitting will also change due to the change of the specification of the pipe fitting, resulting in the need to adjust the punch position of the flaring machine. This process will cause more waste of manpower and time. When using two opposite cylinders to clamp the pipe fitting, the accuracy and synchronization of the two cylinders are difficult to guarantee, and the center axis position of the pipe fitting is also likely to change.
[0004] Therefore, it is urgent to provide a locking device for water supply and drainage pipe fitting flaring machine to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical problem of overcoming the above-mentioned prior art, and provides a locking device for water supply and drainage pipe fitting flaring machine.
[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a locking device for water supply and drainage pipe fitting flaring machine, which comprises a mounting table mechanism and a transmission mechanism, the mounting table mechanism is provided with three mounting plate mechanisms, the mounting plate mechanism is provided with at least two transmission mechanisms, and the transmission mechanism is connected with a connecting rod mechanism.
[0007] The transmission mechanism is also connected with a clamping and locking mechanism for clamping the water supply and drainage pipe.
[0008] The mounting table mechanism is also provided with a driving mechanism for driving the transmission mechanism, the connecting rod mechanism and the clamping and locking mechanism.
[0009] The utility model is further provided as follows: the mounting table mechanism comprises a bottom plate, one end of the bottom plate is fixed with a cylinder mounting frame, the bottom plate is also fixed with a mounting seat, and the other end of the bottom plate is fixed with a reinforcing frame.
[0010] Through the technical scheme, the bottom plate can be provided with bolt grooves according to installation requirements, the cylinder mounting frame and the mounting seat are arranged, so that the components of the device can be modularly installed and dismounted, and the device is convenient to maintain, the reinforcing frame and the mounting plate mechanism are locked by bolts, so that the mounting plate mechanism is more firm, and the mounting plate mechanism is prevented from shaking.
[0011] The utility model further provides: mounting plate mechanism includes three board bodies with mounting seat is fixed, at least two connecting frames are integratively fixed on the board body, still fixed with limit slot frame on the board body.
[0012] Through the technical scheme, the three board bodies are equidistantly arranged in a circle with the central axis of the cylinder as the axis, and a circular groove is formed on the board body, so that the movable rod and the board body are vertically and slidably connected, and the limit slot frame limits the rod body, so that the rod body always moves horizontally.
[0013] The utility model further provides: the transmission mechanism includes L type transmission spare that rotates to be arranged on connecting frame, one end of L type transmission spare is provided with slot hole one, the other end of L type transmission spare is provided with slot hole two.
[0014] Through the technical scheme, the L type transmission spare is rotatably connected with the connecting frame, when one end of the L type transmission spare rotates, the other end will also rotate, and the slot hole one and the slot hole two enable the components connected with the L type transmission spare to slide in the sliding groove, so that movement interference is avoided.
[0015] The utility model further provides: the connecting rod mechanism includes sliding block one that slides in the slot hole one, and one end of sliding block one is fixed with the rod body.
[0016] Through the technical scheme, the sliding block one is slidably connected with the slot hole one, when the rod body moves horizontally, the sliding block one drives the L type transmission spare to rotate within a certain angle through the slot hole one.
[0017] The utility model further provides: the clamping locking mechanism includes sliding block two that slides in the slot hole two, and one end of sliding block two is fixed with the movable rod, the other end of movable rod is fixed with clamping piece, and a plurality of clamping protrusions are arranged on clamping piece.
[0018] Through the technical scheme, when the L type transmission spare rotates, the slot hole two forces the sliding block two to move, and because the movable rod is limited by the circular groove on the board body, the movable rod can only move in the vertical direction of the board body, so that the clamping piece can only move towards or away from the central axis of the driving cylinder, the clamping protrusions on the clamping piece are provided with two rows, and the ends of the clamping protrusions are made of rubber, so that multi-point stable clamping of the pipe fitting is realized.
[0019] The utility model further sets up: the drive mechanism includes the drive cylinder fixed on the cylinder mounting bracket, and the output fixed with Y type connecting piece of drive cylinder.
[0020] Through the above technical scheme, the drive cylinder can drive the Y type connecting piece to move horizontally, the Y type connecting piece is connected with three connecting rod mechanisms, when the drive cylinder expands, the drive cylinder drives the L type transmission part to rotate to the central axis direction of the drive cylinder through the connecting rod mechanism, so that three groups of clamping locking mechanisms can gather to the central axis direction of the drive cylinder, realize the clamping of pipe fitting, and the clamping locking mechanism of circumferential array can clamp pipe fitting from three directions, so that the stability of clamping is improved, and the structure can clamp pipe fittings of various sizes without replacing the clamp, and vice versa when the drive cylinder contracts, the connecting rod mechanism and transmission mechanism will make the clamping locking mechanism release the clamping.
[0021] The utility model discloses the beneficial effects are as follows:
[0022] 1. The utility model discloses through the setting of mounting plate mechanism, transmission mechanism, connecting rod mechanism and clamping locking mechanism, realized from three angles to pipe fitting clamping, improved the stability of clamping, and the device can clamp and lock pipe fittings of different sizes without replacing the clamp, and when clamping pipe fittings of different sizes, the central axis of pipe fitting does not displace.
[0023] 2. The utility model discloses through the setting of mounting table mechanism, mounting plate mechanism and drive mechanism, installs the component of this device on the specified mounting mechanism, is favorable to realize the modularization installation and dismounting of each component of this device, is convenient for the maintenance of this device later. ACCURACY OF DRAWINGS
[0024] Figure 1 It is the first perspective structure drawing of the utility model;
[0025] Figure 2 It is the mounting table mechanism and mounting plate mechanism partial structure drawing of the utility model;
[0026] Figure 3 It is the mounting plate mechanism, connecting rod mechanism and clamping locking mechanism partial structure drawing of the utility model;
[0027] Figure 4 It is Figure 3 The enlarged view of A in the middle;
[0028] Figure 5 It is the drive mechanism partial structure drawing of the utility model.
[0029] In the figure: 1, installation platform mechanism; 101, bottom plate; 102, cylinder mounting frame; 103, mounting seat; 104, reinforcing frame; 2, mounting plate mechanism; 201, plate body; 202, connecting frame; 203, limiting groove frame; 3, transmission mechanism; 301, L-shaped transmission part; 302, slot hole one; 303, slot hole two; 4, connecting rod mechanism; 401, sliding block one; 402, rod body; 5, clamping and locking mechanism; 501, sliding block two; 502, movable rod; 503, clamping part; 504, clamping protrusion; 6, driving mechanism; 601, driving cylinder; 602, Y-shaped connecting part. DETAILED DESCRIPTION
[0030] The advantages and features of the present application will be more easily understood by those skilled in the art through the preferred embodiments of the present application in conjunction with the accompanying drawings, so that the scope of protection of the present application can be more clearly defined.
[0031] Please refer to Figures 1-5 A locking device for a pipe expanding machine, comprising an installation platform mechanism 1 and a transmission mechanism 3, the installation platform mechanism 1 comprises a bottom plate 101, one end of the bottom plate 101 is fixed with a cylinder mounting frame 102, the bottom plate 101 is also fixed with a mounting seat 103, the other end of the bottom plate 101 is fixed with a reinforcing frame 104, the bottom plate 101 can be provided with bolt grooves according to installation needs, through the setting of the cylinder mounting frame 102 and the mounting seat 103, the various components of the device can realize modularized installation and disassembly, which is convenient for maintenance, the reinforcing frame 104 is locked with the mounting plate mechanism 2 through bolts, so that the mounting plate mechanism 2 is more firm, thereby avoiding the shaking of the mounting plate mechanism 2.
[0032] As Figures 1-3 shown, the installation platform mechanism 1 is provided with three mounting plate mechanisms 2, the mounting plate mechanism 2 comprises three plate bodies 201 fixed with the mounting seat 103, at least two connecting frames 202 are integrally fixed on the plate body 201, the plate body 201 is also fixed with a limiting groove frame 203, the three plate bodies 201 are equidistantly arranged in a circle around the central axis of the cylinder, and a circular groove is formed in the plate body 201, so as to realize the vertical sliding connection between the movable rod 502 and the plate body 201, the limiting groove frame 203 can limit the rod body 402, so that the rod body 402 always keeps horizontal movement.
[0033] As Figure 1 , Figure 3 and Figure 4As shown, the mounting plate mechanism 2 is provided with at least two transmission mechanisms 3, the transmission mechanism 3 comprises an L-shaped transmission piece 301 rotatably arranged on the connecting frame 202, one end of the L-shaped transmission piece 301 is provided with a slot hole one 302, the other end of the L-shaped transmission piece 301 is provided with a slot hole two 303, the L-shaped transmission piece 301 is rotatably connected with the connecting frame 202, when one end of the L-shaped transmission piece 301 rotates, the other end will also rotate, and the slot hole one 302 and the slot hole two 303 enable the components connected with the L-shaped transmission piece 301 to slide in the sliding groove, thereby avoiding movement interference.
[0034] As shown in the Figure 4 , the transmission mechanism 3 is connected with a connecting rod mechanism 4, the connecting rod mechanism 4 comprises a sliding block one 401 slidingly arranged in the slot hole one 302, and one end of the sliding block one 401 is fixedly provided with a rod body 402, the sliding block one 401 is slidingly connected with the slot hole one 302, when the rod body 402 moves horizontally, the sliding block one 401 will drive the L-shaped transmission piece 301 to rotate within a certain angle through the slot hole one 302.
[0035] As shown in the Figure 1 , Figure 3 and Figure 4 , the transmission mechanism 3 is further connected with a clamping and locking mechanism 5 for clamping the drain pipe, the clamping and locking mechanism 5 comprises a sliding block two 501 slidingly arranged in the slot hole two 303, and one end of the sliding block two 501 is fixedly provided with a movable rod 502, the other end of the movable rod 502 is fixedly provided with a clamping piece 503, and the clamping piece 503 is provided with a plurality of clamping protrusions 504, when the L-shaped transmission piece 301 rotates, the slot hole two 303 will force the sliding block two 501 to move, and since the movable rod 502 is limited by the circular groove on the plate body 201, the movable rod 502 can only move in the vertical direction of the plate body 201, so that the clamping piece 503 can only move towards or away from the central axis of the driving cylinder 601, the clamping protrusions 504 on the clamping piece 503 are provided with two rows, and the ends of the clamping protrusions 504 are made of rubber, thereby achieving multi-point stable clamping of the pipe.
[0036] As shown in the Figure 1 and Figure 5As shown, the mounting table mechanism 1 is further provided with a driving mechanism 6 for driving the transmission mechanism 3, the connecting rod mechanism 4 and the clamping and locking mechanism 5, the driving mechanism 6 comprises a driving cylinder 601 fixed on the cylinder mounting frame 102, and the output end of the driving cylinder 601 is fixed with a Y-shaped connecting piece 602, the driving cylinder 601 can drive the Y-shaped connecting piece 602 to move horizontally, the Y-shaped connecting piece 602 is connected with the three connecting rod mechanisms 4, when the driving cylinder 601 is stretched, the driving cylinder 601 drives the L-shaped transmission piece 301 to rotate to the central axis direction of the driving cylinder 601 through the connecting rod mechanism 4, so that the three groups of clamping and locking mechanisms 5 can be gathered to the central axis direction of the driving cylinder 601, the clamping and locking mechanisms 5 in the circumferential array can clamp the pipe from three directions, so that the stability of clamping is improved, and the structure can clamp pipes of various sizes without replacing the clamp, on the contrary, when the driving cylinder 601 is retracted, the connecting rod mechanism 4 and the transmission mechanism 3 can release the clamping of the clamping and locking mechanism 5.
[0037] In use, the device can be fixed on the pipe flaring machine, the user can first place the pipe in the middle of the three clamping and locking mechanisms 5, and then start the driving cylinder 601, when the driving cylinder 601 is stretched, the driving cylinder 601 can drive the three groups of clamping and locking mechanisms 5 to firmly lock the pipe from three directions through the connecting rod mechanism 4 and the transmission mechanism 3, at this time, the user can operate the pipe flaring machine to flare the pipe, when the cylinder or the mounting plate mechanism 2 is damaged, the user can disassemble and replace it from the cylinder mounting frame 102 or the mounting seat 103.
[0038] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A locking device for a pipe expander, comprising a mounting table mechanism (1) and a transmission mechanism (3), characterized in that: Three mounting plate mechanisms (2) are arranged on the mounting table mechanism (1), at least two transmission mechanisms (3) are arranged on the mounting plate mechanism (2), and a connecting rod mechanism (4) is connected to the transmission mechanism (3); A clamping and locking mechanism (5) for clamping a drain pipe is further connected to the transmission mechanism (3); A driving mechanism (6) for driving the transmission mechanism (3), the connecting rod mechanism (4) and the clamping and locking mechanism (5) is further arranged on the mounting table mechanism (1).
2. The locking device for the pipe expander according to claim 1, characterized in that: The mounting table mechanism (1) comprises a bottom plate (101), one end of the bottom plate (101) is fixed with a cylinder mounting frame (102), the bottom plate (101) is further fixed with a mounting seat (103), and the other end of the bottom plate (101) is fixed with a reinforcing frame (104).
3. The locking device for a pipe expander as claimed in claim 2, wherein: The mounting plate mechanism (2) comprises three plate bodies (201) fixed with the mounting seat (103), at least two connecting frames (202) are integrally fixed on the plate body (201), and a limiting groove frame (203) is further fixed on the plate body (201).
4. The locking device for a pipe expander as claimed in claim 3, wherein: The transmission mechanism (3) comprises an L-shaped transmission piece (301) rotatably arranged on the connecting frame (202), one end of the L-shaped transmission piece (301) is provided with a slot hole one (302), and the other end of the L-shaped transmission piece (301) is provided with a slot hole two (303).
5. A locking device for a pipe expander as defined in claim 4, wherein: The connecting rod mechanism (4) comprises a sliding block one (401) slidingly arranged in the slot hole one (302), and one end of the sliding block one (401) is fixed with a rod body (402).
6. The locking device for a pipe expander as claimed in claim 4, wherein: The clamping and locking mechanism (5) comprises a sliding block two (501) slidingly arranged in the slot hole two (303), one end of the sliding block two (501) is fixed with a movable rod (502), the other end of the movable rod (502) is fixed with a clamping piece (503), and a plurality of clamping protrusions (504) are arranged on the clamping piece (503).
7. The locking device for a pipe expander as claimed in claim 2, wherein: The driving mechanism (6) comprises a driving cylinder (601) fixed on the cylinder mounting frame (102), and a Y-shaped connecting piece (602) is fixed on the output end of the driving cylinder (601).